debian-mirror-gitlab/spec/models/merge_request_spec.rb

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# frozen_string_literal: true
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require 'spec_helper'
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describe MergeRequest do
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include RepoHelpers
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include ProjectForksHelper
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include ReactiveCachingHelpers
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using RSpec::Parameterized::TableSyntax
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subject { create(:merge_request) }
describe 'associations' do
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it { is_expected.to belong_to(:target_project).class_name('Project') }
it { is_expected.to belong_to(:source_project).class_name('Project') }
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it { is_expected.to belong_to(:merge_user).class_name("User") }
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it { is_expected.to have_many(:assignees).through(:merge_request_assignees) }
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it { is_expected.to have_many(:merge_request_diffs) }
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context 'for forks' do
let!(:project) { create(:project) }
let!(:fork) { fork_project(project) }
let!(:merge_request) { create(:merge_request, target_project: project, source_project: fork) }
it 'does not load another project due to inverse relationship' do
expect(project.merge_requests.first.target_project.object_id).to eq(project.object_id)
end
it 'finds the associated merge request' do
expect(project.merge_requests.find(merge_request.id)).to eq(merge_request)
end
end
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end
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describe 'locking' do
using RSpec::Parameterized::TableSyntax
where(:lock_version) do
[
[0],
["0"]
]
end
with_them do
it 'works when a merge request has a NULL lock_version' do
merge_request = create(:merge_request)
described_class.where(id: merge_request.id).update_all('lock_version = NULL')
merge_request.update!(lock_version: lock_version, title: 'locking test')
expect(merge_request.reload.title).to eq('locking test')
end
end
end
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describe '#squash_in_progress?' do
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let(:repo_path) do
Gitlab::GitalyClient::StorageSettings.allow_disk_access do
subject.source_project.repository.path
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end
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end
let(:squash_path) { File.join(repo_path, "gitlab-worktree", "squash-#{subject.id}") }
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before do
system(*%W(#{Gitlab.config.git.bin_path} -C #{repo_path} worktree add --detach #{squash_path} master))
end
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it 'returns true when there is a current squash directory' do
expect(subject.squash_in_progress?).to be_truthy
end
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it 'returns false when there is no squash directory' do
FileUtils.rm_rf(squash_path)
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expect(subject.squash_in_progress?).to be_falsey
end
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it 'returns false when the squash directory has expired' do
time = 20.minutes.ago.to_time
File.utime(time, time, squash_path)
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expect(subject.squash_in_progress?).to be_falsey
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end
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it 'returns false when the source project has been removed' do
allow(subject).to receive(:source_project).and_return(nil)
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expect(subject.squash_in_progress?).to be_falsey
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end
end
describe '#squash?' do
let(:merge_request) { build(:merge_request, squash: squash) }
subject { merge_request.squash? }
context 'disabled in database' do
let(:squash) { false }
it { is_expected.to be_falsy }
end
context 'enabled in database' do
let(:squash) { true }
it { is_expected.to be_truthy }
end
end
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describe '#default_squash_commit_message' do
let(:project) { subject.project }
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let(:is_multiline) { -> (c) { c.description.present? } }
let(:multiline_commits) { subject.commits.select(&is_multiline) }
let(:singleline_commits) { subject.commits.reject(&is_multiline) }
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it 'returns the oldest multiline commit message' do
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expect(subject.default_squash_commit_message).to eq(multiline_commits.last.message)
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end
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it 'returns the merge request title if there are no multiline commits' do
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expect(subject).to receive(:commits).and_return(
CommitCollection.new(project, singleline_commits)
)
expect(subject.default_squash_commit_message).to eq(subject.title)
end
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it 'does not return commit messages from multiline merge commits' do
collection = CommitCollection.new(project, multiline_commits).enrich!
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expect(collection.commits).to all( receive(:merge_commit?).and_return(true) )
expect(subject).to receive(:commits).and_return(collection)
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expect(subject.default_squash_commit_message).to eq(subject.title)
end
end
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describe 'modules' do
subject { described_class }
it { is_expected.to include_module(Issuable) }
it { is_expected.to include_module(Referable) }
it { is_expected.to include_module(Sortable) }
it { is_expected.to include_module(Taskable) }
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it_behaves_like 'AtomicInternalId' do
let(:internal_id_attribute) { :iid }
let(:instance) { build(:merge_request) }
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let(:scope) { :target_project }
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let(:scope_attrs) { { project: instance.target_project } }
let(:usage) { :merge_requests }
end
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end
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describe 'validation' do
it { is_expected.to validate_presence_of(:target_branch) }
it { is_expected.to validate_presence_of(:source_branch) }
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context "Validation of merge user with Merge When Pipeline Succeeds" do
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it "allows user to be nil when the feature is disabled" do
expect(subject).to be_valid
end
it "is invalid without merge user" do
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subject.merge_when_pipeline_succeeds = true
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expect(subject).not_to be_valid
end
it "is valid with merge user" do
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subject.merge_when_pipeline_succeeds = true
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subject.merge_user = build(:user)
expect(subject).to be_valid
end
end
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context 'for branch' do
before do
stub_feature_flags(stricter_mr_branch_name: false)
end
using RSpec::Parameterized::TableSyntax
where(:branch_name, :valid) do
'foo' | true
'foo:bar' | false
'+foo:bar' | false
'foo bar' | false
'-foo' | false
'HEAD' | true
'refs/heads/master' | true
end
with_them do
it "validates source_branch" do
subject = build(:merge_request, source_branch: branch_name, target_branch: 'master')
subject.valid?
expect(subject.errors.added?(:source_branch)).to eq(!valid)
end
it "validates target_branch" do
subject = build(:merge_request, source_branch: 'master', target_branch: branch_name)
subject.valid?
expect(subject.errors.added?(:target_branch)).to eq(!valid)
end
end
end
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context 'for forks' do
let(:project) { create(:project) }
let(:fork1) { fork_project(project) }
let(:fork2) { fork_project(project) }
it 'allows merge requests for sibling-forks' do
subject.source_project = fork1
subject.target_project = fork2
expect(subject).to be_valid
end
end
end
describe 'callbacks' do
describe '#ensure_merge_request_metrics' do
it 'creates metrics after saving' do
merge_request = create(:merge_request)
expect(merge_request.metrics).to be_persisted
expect(MergeRequest::Metrics.count).to eq(1)
end
it 'does not duplicate metrics for a merge request' do
merge_request = create(:merge_request)
merge_request.mark_as_merged!
expect(MergeRequest::Metrics.count).to eq(1)
end
end
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end
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describe 'respond to' do
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it { is_expected.to respond_to(:unchecked?) }
it { is_expected.to respond_to(:can_be_merged?) }
it { is_expected.to respond_to(:cannot_be_merged?) }
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it { is_expected.to respond_to(:merge_params) }
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it { is_expected.to respond_to(:merge_when_pipeline_succeeds) }
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end
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describe '.by_commit_sha' do
subject(:by_commit_sha) { described_class.by_commit_sha(sha) }
let!(:merge_request) { create(:merge_request, :with_diffs) }
context 'with sha contained in latest merge request diff' do
let(:sha) { 'b83d6e391c22777fca1ed3012fce84f633d7fed0' }
it 'returns merge requests' do
expect(by_commit_sha).to eq([merge_request])
end
end
context 'with sha contained not in latest merge request diff' do
let(:sha) { 'b83d6e391c22777fca1ed3012fce84f633d7fed0' }
it 'returns empty requests' do
latest_merge_request_diff = merge_request.merge_request_diffs.create
latest_merge_request_diff.merge_request_diff_commits.where(sha: 'b83d6e391c22777fca1ed3012fce84f633d7fed0').delete_all
expect(by_commit_sha).to be_empty
end
end
context 'with sha not contained in' do
let(:sha) { 'b83d6e3' }
it 'returns empty result' do
expect(by_commit_sha).to be_empty
end
end
end
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describe '.in_projects' do
it 'returns the merge requests for a set of projects' do
expect(described_class.in_projects(Project.all)).to eq([subject])
end
end
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describe '.set_latest_merge_request_diff_ids!' do
def create_merge_request_with_diffs(source_branch, diffs: 2)
params = {
target_project: project,
target_branch: 'master',
source_project: project,
source_branch: source_branch
}
create(:merge_request, params).tap do |mr|
diffs.times { mr.merge_request_diffs.create }
end
end
let(:project) { create(:project) }
it 'sets IDs for merge requests, whether they are already set or not' do
merge_requests = [
create_merge_request_with_diffs('feature'),
create_merge_request_with_diffs('feature-conflict'),
create_merge_request_with_diffs('wip', diffs: 0),
create_merge_request_with_diffs('csv')
]
merge_requests.take(2).each do |merge_request|
merge_request.update_column(:latest_merge_request_diff_id, nil)
end
expected = merge_requests.map do |merge_request|
merge_request.merge_request_diffs.maximum(:id)
end
expect { project.merge_requests.set_latest_merge_request_diff_ids! }
.to change { merge_requests.map { |mr| mr.reload.latest_merge_request_diff_id } }.to(expected)
end
end
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describe '.recent_target_branches' do
let(:project) { create(:project) }
let!(:merge_request1) { create(:merge_request, :opened, source_project: project, target_branch: 'feature') }
let!(:merge_request2) { create(:merge_request, :closed, source_project: project, target_branch: 'merge-test') }
let!(:merge_request3) { create(:merge_request, :opened, source_project: project, target_branch: 'fix') }
let!(:merge_request4) { create(:merge_request, :closed, source_project: project, target_branch: 'feature') }
before do
merge_request1.update_columns(updated_at: 1.day.since)
merge_request2.update_columns(updated_at: 2.days.since)
merge_request3.update_columns(updated_at: 3.days.since)
merge_request4.update_columns(updated_at: 4.days.since)
end
it 'returns target branches sort by updated at desc' do
expect(described_class.recent_target_branches).to match_array(['feature', 'merge-test', 'fix'])
end
end
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describe '#target_branch_sha' do
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let(:project) { create(:project, :repository) }
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subject { create(:merge_request, source_project: project, target_project: project) }
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context 'when the target branch does not exist' do
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before do
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project.repository.rm_branch(subject.author, subject.target_branch)
subject.clear_memoized_shas
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end
it 'returns nil' do
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expect(subject.target_branch_sha).to be_nil
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end
end
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it 'returns memoized value' do
subject.target_branch_sha = '8ffb3c15a5475e59ae909384297fede4badcb4c7'
expect(subject.target_branch_sha).to eq '8ffb3c15a5475e59ae909384297fede4badcb4c7'
end
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end
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describe '#card_attributes' do
it 'includes the author name' do
allow(subject).to receive(:author).and_return(double(name: 'Robert'))
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allow(subject).to receive(:assignees).and_return([])
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expect(subject.card_attributes)
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.to eq({ 'Author' => 'Robert', 'Assignee' => "" })
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end
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it 'includes the assignees name' do
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allow(subject).to receive(:author).and_return(double(name: 'Robert'))
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allow(subject).to receive(:assignees).and_return([double(name: 'Douwe'), double(name: 'Robert')])
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expect(subject.card_attributes)
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.to eq({ 'Author' => 'Robert', 'Assignee' => 'Douwe and Robert' })
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end
end
describe '#assignee_or_author?' do
let(:user) { create(:user) }
it 'returns true for a user that is assigned to a merge request' do
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subject.assignees = [user]
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expect(subject.assignee_or_author?(user)).to eq(true)
end
it 'returns true for a user that is the author of a merge request' do
subject.author = user
expect(subject.assignee_or_author?(user)).to eq(true)
end
it 'returns false for a user that is not the assignee or author' do
expect(subject.assignee_or_author?(user)).to eq(false)
end
end
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describe '#visible_closing_issues_for' do
let(:guest) { create(:user) }
let(:developer) { create(:user) }
let(:issue_1) { create(:issue, project: subject.source_project) }
let(:issue_2) { create(:issue, project: subject.source_project) }
let(:confidential_issue) { create(:issue, :confidential, project: subject.source_project) }
before do
subject.project.add_developer(subject.author)
subject.target_branch = subject.project.default_branch
commit = double('commit1', safe_message: "Fixes #{issue_1.to_reference} #{issue_2.to_reference} #{confidential_issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
end
it 'shows only allowed issues to guest' do
subject.project.add_guest(guest)
subject.cache_merge_request_closes_issues!
expect(subject.visible_closing_issues_for(guest)).to match_array([issue_1, issue_2])
end
it 'shows only allowed issues to developer' do
subject.project.add_developer(developer)
subject.cache_merge_request_closes_issues!
expect(subject.visible_closing_issues_for(developer)).to match_array([issue_1, confidential_issue, issue_2])
end
context 'when external issue tracker is enabled' do
before do
subject.project.has_external_issue_tracker = true
subject.project.save!
end
it 'calls non #closes_issues to retrieve data' do
expect(subject).to receive(:closes_issues)
expect(subject).not_to receive(:cached_closes_issues)
subject.visible_closing_issues_for
end
end
end
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describe '#cache_merge_request_closes_issues!' do
before do
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subject.project.add_developer(subject.author)
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subject.target_branch = subject.project.default_branch
end
it 'caches closed issues' do
issue = create :issue, project: subject.project
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
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expect { subject.cache_merge_request_closes_issues!(subject.author) }.to change(subject.merge_requests_closing_issues, :count).by(1)
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end
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it 'does not cache closed issues when merge request is closed' do
issue = create :issue, project: subject.project
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
allow(subject).to receive(:state).and_return("closed")
expect { subject.cache_merge_request_closes_issues!(subject.author) }.not_to change(subject.merge_requests_closing_issues, :count)
end
it 'does not cache closed issues when merge request is merged' do
issue = create :issue, project: subject.project
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
allow(subject).to receive(:state).and_return("merged")
expect { subject.cache_merge_request_closes_issues!(subject.author) }.not_to change(subject.merge_requests_closing_issues, :count)
end
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context 'when both internal and external issue trackers are enabled' do
before do
subject.project.has_external_issue_tracker = true
subject.project.save!
create(:jira_service, project: subject.project)
end
it 'does not cache issues from external trackers' do
issue = ExternalIssue.new('JIRA-123', subject.project)
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
expect { subject.cache_merge_request_closes_issues!(subject.author) }.not_to raise_error
expect { subject.cache_merge_request_closes_issues!(subject.author) }.not_to change(subject.merge_requests_closing_issues, :count)
end
it 'caches an internal issue' do
issue = create(:issue, project: subject.project)
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
expect { subject.cache_merge_request_closes_issues!(subject.author) }
.to change(subject.merge_requests_closing_issues, :count).by(1)
end
end
context 'when only external issue tracker enabled' do
before do
subject.project.has_external_issue_tracker = true
subject.project.issues_enabled = false
subject.project.save!
end
it 'does not cache issues from external trackers' do
issue = ExternalIssue.new('JIRA-123', subject.project)
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
expect { subject.cache_merge_request_closes_issues!(subject.author) }.not_to change(subject.merge_requests_closing_issues, :count)
end
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it 'does not cache an internal issue' do
issue = create(:issue, project: subject.project)
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
expect { subject.cache_merge_request_closes_issues!(subject.author) }
.not_to change(subject.merge_requests_closing_issues, :count)
end
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end
end
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describe '#source_branch_sha' do
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let(:last_branch_commit) { subject.source_project.repository.commit(Gitlab::Git::BRANCH_REF_PREFIX + subject.source_branch) }
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context 'with diffs' do
subject { create(:merge_request, :with_diffs) }
it 'returns the sha of the source branch last commit' do
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expect(subject.source_branch_sha).to eq(last_branch_commit.sha)
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end
end
context 'without diffs' do
subject { create(:merge_request, :without_diffs) }
it 'returns the sha of the source branch last commit' do
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expect(subject.source_branch_sha).to eq(last_branch_commit.sha)
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end
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context 'when there is a tag name matching the branch name' do
let(:tag_name) { subject.source_branch }
it 'returns the sha of the source branch last commit' do
subject.source_project.repository.add_tag(subject.author,
tag_name,
subject.target_branch_sha,
'Add a tag')
expect(subject.source_branch_sha).to eq(last_branch_commit.sha)
subject.source_project.repository.rm_tag(subject.author, tag_name)
end
end
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end
context 'when the merge request is being created' do
subject { build(:merge_request, source_branch: nil, compare_commits: []) }
it 'returns nil' do
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expect(subject.source_branch_sha).to be_nil
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end
end
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it 'returns memoized value' do
subject.source_branch_sha = '2e5d3239642f9161dcbbc4b70a211a68e5e45e2b'
expect(subject.source_branch_sha).to eq '2e5d3239642f9161dcbbc4b70a211a68e5e45e2b'
end
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end
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describe '#to_reference' do
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let(:project) { build(:project, name: 'sample-project') }
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let(:merge_request) { build(:merge_request, target_project: project, iid: 1) }
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it 'returns a String reference to the object' do
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expect(merge_request.to_reference).to eq "!1"
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end
it 'supports a cross-project reference' do
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another_project = build(:project, name: 'another-project', namespace: project.namespace)
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expect(merge_request.to_reference(another_project)).to eq "sample-project!1"
end
it 'returns a String reference with the full path' do
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expect(merge_request.to_reference(full: true)).to eq(project.full_path + '!1')
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end
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end
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describe '#raw_diffs' do
let(:merge_request) { build(:merge_request) }
let(:options) { { paths: ['a/b', 'b/a', 'c/*'] } }
context 'when there are MR diffs' do
it 'delegates to the MR diffs' do
merge_request.merge_request_diff = MergeRequestDiff.new
expect(merge_request.merge_request_diff).to receive(:raw_diffs).with(options)
merge_request.raw_diffs(options)
end
end
context 'when there are no MR diffs' do
it 'delegates to the compare object' do
merge_request.compare = double(:compare)
expect(merge_request.compare).to receive(:raw_diffs).with(options)
merge_request.raw_diffs(options)
end
end
end
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describe '#diffs' do
let(:merge_request) { build(:merge_request) }
let(:options) { { paths: ['a/b', 'b/a', 'c/*'] } }
context 'when there are MR diffs' do
it 'delegates to the MR diffs' do
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merge_request.save
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expect(merge_request.merge_request_diff).to receive(:raw_diffs).with(hash_including(options)).and_call_original
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merge_request.diffs(options).diff_files
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end
end
context 'when there are no MR diffs' do
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it 'delegates to the compare object, setting expanded: true' do
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merge_request.compare = double(:compare)
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expect(merge_request.compare).to receive(:diffs).with(options.merge(expanded: true))
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merge_request.diffs(options)
end
end
end
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describe '#discussions_diffs' do
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let(:merge_request) { create(:merge_request) }
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shared_examples 'discussions diffs collection' do
it 'initializes Gitlab::DiscussionsDiff::FileCollection with correct data' do
note_diff_file = diff_note.note_diff_file
expect(Gitlab::DiscussionsDiff::FileCollection)
.to receive(:new)
.with([note_diff_file])
.and_call_original
result = merge_request.discussions_diffs
expect(result).to be_a(Gitlab::DiscussionsDiff::FileCollection)
end
it 'eager loads relations' do
result = merge_request.discussions_diffs
recorder = ActiveRecord::QueryRecorder.new do
result.first.diff_note
result.first.diff_note.project
end
expect(recorder.count).to be_zero
end
end
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context 'with commit diff note' do
let(:other_merge_request) { create(:merge_request) }
let!(:diff_note) do
create(:diff_note_on_commit, project: merge_request.project)
end
let!(:other_mr_diff_note) do
create(:diff_note_on_commit, project: other_merge_request.project)
end
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it_behaves_like 'discussions diffs collection'
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end
context 'with merge request diff note' do
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let!(:diff_note) do
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create(:diff_note_on_merge_request, project: merge_request.project, noteable: merge_request)
end
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it_behaves_like 'discussions diffs collection'
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end
end
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describe '#diff_size' do
let(:merge_request) do
build(:merge_request, source_branch: 'expand-collapse-files', target_branch: 'master')
end
context 'when there are MR diffs' do
it 'returns the correct count' do
merge_request.save
expect(merge_request.diff_size).to eq('105')
end
it 'returns the correct overflow count' do
allow(Commit).to receive(:max_diff_options).and_return(max_files: 2)
merge_request.save
expect(merge_request.diff_size).to eq('2+')
end
it 'does not perform highlighting' do
merge_request.save
expect(Gitlab::Diff::Highlight).not_to receive(:new)
merge_request.diff_size
end
end
context 'when there are no MR diffs' do
def set_compare(merge_request)
merge_request.compare = CompareService.new(
merge_request.source_project,
merge_request.source_branch
).execute(
merge_request.target_project,
merge_request.target_branch
)
end
it 'returns the correct count' do
set_compare(merge_request)
expect(merge_request.diff_size).to eq('105')
end
it 'returns the correct overflow count' do
allow(Commit).to receive(:max_diff_options).and_return(max_files: 2)
set_compare(merge_request)
expect(merge_request.diff_size).to eq('2+')
end
it 'does not perform highlighting' do
set_compare(merge_request)
expect(Gitlab::Diff::Highlight).not_to receive(:new)
merge_request.diff_size
end
end
end
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describe '#modified_paths' do
let(:paths) { double(:paths) }
subject(:merge_request) { build(:merge_request) }
before do
expect(diff).to receive(:modified_paths).and_return(paths)
end
context 'when past_merge_request_diff is specified' do
let(:another_diff) { double(:merge_request_diff) }
let(:diff) { another_diff }
it 'returns affected file paths from specified past_merge_request_diff' do
expect(merge_request.modified_paths(past_merge_request_diff: another_diff)).to eq(paths)
end
end
context 'when compare is present' do
let(:compare) { double(:compare) }
let(:diff) { compare }
it 'returns affected file paths from compare' do
merge_request.compare = compare
expect(merge_request.modified_paths).to eq(paths)
end
end
context 'when no arguments provided' do
let(:diff) { merge_request.merge_request_diff }
subject(:merge_request) { create(:merge_request, source_branch: 'feature', target_branch: 'master') }
it 'returns affected file paths for merge_request_diff' do
expect(merge_request.modified_paths).to eq(paths)
end
end
end
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describe "#related_notes" do
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let!(:merge_request) { create(:merge_request) }
before do
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allow(merge_request).to receive(:commits) { [merge_request.source_project.repository.commit] }
create(:note_on_commit, commit_id: merge_request.commits.first.id,
project: merge_request.project)
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create(:note, noteable: merge_request, project: merge_request.project)
end
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it "includes notes for commits" do
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expect(merge_request.commits).not_to be_empty
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expect(merge_request.related_notes.count).to eq(2)
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end
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it "includes notes for commits from target project as well" do
create(:note_on_commit, commit_id: merge_request.commits.first.id,
project: merge_request.target_project)
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expect(merge_request.commits).not_to be_empty
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expect(merge_request.related_notes.count).to eq(3)
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end
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it "excludes system notes for commits" do
system_note = create(:note_on_commit, :system, commit_id: merge_request.commits.first.id,
project: merge_request.project)
expect(merge_request.related_notes.count).to eq(2)
expect(merge_request.related_notes).not_to include(system_note)
end
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end
describe '#for_fork?' do
it 'returns true if the merge request is for a fork' do
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subject.source_project = build_stubbed(:project, namespace: create(:group))
subject.target_project = build_stubbed(:project, namespace: create(:group))
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expect(subject.for_fork?).to be_truthy
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end
it 'returns false if is not for a fork' do
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expect(subject.for_fork?).to be_falsey
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end
end
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describe '#closes_issues' do
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let(:issue0) { create :issue, project: subject.project }
let(:issue1) { create :issue, project: subject.project }
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let(:commit0) { double('commit0', safe_message: "Fixes #{issue0.to_reference}") }
let(:commit1) { double('commit1', safe_message: "Fixes #{issue0.to_reference}") }
let(:commit2) { double('commit2', safe_message: "Fixes #{issue1.to_reference}") }
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before do
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subject.project.add_developer(subject.author)
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allow(subject).to receive(:commits).and_return([commit0, commit1, commit2])
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end
it 'accesses the set of issues that will be closed on acceptance' do
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allow(subject.project).to receive(:default_branch)
.and_return(subject.target_branch)
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closed = subject.closes_issues
expect(closed).to include(issue0, issue1)
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end
it 'only lists issues as to be closed if it targets the default branch' do
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allow(subject.project).to receive(:default_branch).and_return('master')
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subject.target_branch = 'something-else'
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expect(subject.closes_issues).to be_empty
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end
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end
describe '#issues_mentioned_but_not_closing' do
let(:closing_issue) { create :issue, project: subject.project }
let(:mentioned_issue) { create :issue, project: subject.project }
let(:commit) { double('commit', safe_message: "Fixes #{closing_issue.to_reference}") }
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it 'detects issues mentioned in description but not closed' do
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subject.project.add_developer(subject.author)
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subject.description = "Is related to #{mentioned_issue.to_reference} and #{closing_issue.to_reference}"
allow(subject).to receive(:commits).and_return([commit])
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allow(subject.project).to receive(:default_branch)
.and_return(subject.target_branch)
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subject.cache_merge_request_closes_issues!
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expect(subject.issues_mentioned_but_not_closing(subject.author)).to match_array([mentioned_issue])
end
context 'when the project has an external issue tracker' do
before do
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subject.project.add_developer(subject.author)
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commit = double(:commit, safe_message: 'Fixes TEST-3')
create(:jira_service, project: subject.project)
allow(subject).to receive(:commits).and_return([commit])
allow(subject).to receive(:description).and_return('Is related to TEST-2 and TEST-3')
allow(subject.project).to receive(:default_branch).and_return(subject.target_branch)
end
it 'detects issues mentioned in description but not closed' do
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subject.cache_merge_request_closes_issues!
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expect(subject.issues_mentioned_but_not_closing(subject.author).map(&:to_s)).to match_array(['TEST-2'])
end
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end
end
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describe "#work_in_progress?" do
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['WIP ', 'WIP:', 'WIP: ', '[WIP]', '[WIP] ', ' [WIP] WIP [WIP] WIP: WIP '].each do |wip_prefix|
it "detects the '#{wip_prefix}' prefix" do
subject.title = "#{wip_prefix}#{subject.title}"
expect(subject.work_in_progress?).to eq true
end
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end
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it "doesn't detect WIP for words starting with WIP" do
subject.title = "Wipwap #{subject.title}"
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expect(subject.work_in_progress?).to eq false
end
it "doesn't detect WIP for words containing with WIP" do
subject.title = "WupWipwap #{subject.title}"
expect(subject.work_in_progress?).to eq false
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end
it "doesn't detect WIP by default" do
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expect(subject.work_in_progress?).to eq false
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end
end
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describe "#wipless_title" do
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['WIP ', 'WIP:', 'WIP: ', '[WIP]', '[WIP] ', '[WIP] WIP [WIP] WIP: WIP '].each do |wip_prefix|
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it "removes the '#{wip_prefix}' prefix" do
wipless_title = subject.title
subject.title = "#{wip_prefix}#{subject.title}"
expect(subject.wipless_title).to eq wipless_title
end
it "is satisfies the #work_in_progress? method" do
subject.title = "#{wip_prefix}#{subject.title}"
subject.title = subject.wipless_title
expect(subject.work_in_progress?).to eq false
end
end
end
describe "#wip_title" do
it "adds the WIP: prefix to the title" do
wip_title = "WIP: #{subject.title}"
expect(subject.wip_title).to eq wip_title
end
it "does not add the WIP: prefix multiple times" do
wip_title = "WIP: #{subject.title}"
subject.title = subject.wip_title
subject.title = subject.wip_title
expect(subject.wip_title).to eq wip_title
end
it "is satisfies the #work_in_progress? method" do
subject.title = subject.wip_title
expect(subject.work_in_progress?).to eq true
end
end
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describe '#can_remove_source_branch?' do
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set(:user) { create(:user) }
set(:merge_request) { create(:merge_request, :simple) }
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subject { merge_request }
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before do
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subject.source_project.add_maintainer(user)
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end
it "can't be removed when its a protected branch" do
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allow(ProtectedBranch).to receive(:protected?).and_return(true)
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expect(subject.can_remove_source_branch?(user)).to be_falsey
end
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it "can't remove a root ref" do
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subject.update(source_branch: 'master', target_branch: 'feature')
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expect(subject.can_remove_source_branch?(user)).to be_falsey
end
it "is unable to remove the source branch for a project the user cannot push to" do
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user2 = create(:user)
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expect(subject.can_remove_source_branch?(user2)).to be_falsey
end
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it "can be removed if the last commit is the head of the source branch" do
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allow(subject).to receive(:source_branch_head).and_return(subject.diff_head_commit)
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expect(subject.can_remove_source_branch?(user)).to be_truthy
end
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it "cannot be removed if the last commit is not also the head of the source branch" do
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subject.clear_memoized_shas
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subject.source_branch = "lfs"
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expect(subject.can_remove_source_branch?(user)).to be_falsey
end
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end
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describe '#default_merge_commit_message' do
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it 'includes merge information as the title' do
request = build(:merge_request, source_branch: 'source', target_branch: 'target')
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expect(request.default_merge_commit_message)
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.to match("Merge branch 'source' into 'target'\n\n")
end
it 'includes its title in the body' do
request = build(:merge_request, title: 'Remove all technical debt')
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expect(request.default_merge_commit_message)
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.to match("Remove all technical debt\n\n")
end
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it 'includes its closed issues in the body' do
issue = create(:issue, project: subject.project)
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subject.project.add_developer(subject.author)
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subject.description = "This issue Closes #{issue.to_reference}"
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allow(subject.project).to receive(:default_branch).and_return(subject.target_branch)
subject.cache_merge_request_closes_issues!
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expect(subject.default_merge_commit_message)
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.to match("Closes #{issue.to_reference}")
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end
it 'includes its reference in the body' do
request = build_stubbed(:merge_request)
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expect(request.default_merge_commit_message)
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.to match("See merge request #{request.to_reference(full: true)}")
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end
it 'excludes multiple linebreak runs when description is blank' do
request = build(:merge_request, title: 'Title', description: nil)
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expect(request.default_merge_commit_message).not_to match("Title\n\n\n\n")
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end
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it 'includes its description in the body' do
request = build(:merge_request, description: 'By removing all code')
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expect(request.default_merge_commit_message(include_description: true))
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.to match("By removing all code\n\n")
end
it 'does not includes its description in the body' do
request = build(:merge_request, description: 'By removing all code')
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expect(request.default_merge_commit_message)
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.not_to match("By removing all code\n\n")
end
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end
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describe "#auto_merge_strategy" do
subject { merge_request.auto_merge_strategy }
let(:merge_request) { create(:merge_request, :merge_when_pipeline_succeeds) }
it { is_expected.to eq('merge_when_pipeline_succeeds') }
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context 'when auto merge is disabled' do
let(:merge_request) { create(:merge_request) }
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it { is_expected.to be_nil }
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end
end
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describe '#committers' do
it 'returns all the committers of every commit in the merge request' do
users = subject.commits.without_merge_commits.map(&:committer_email).uniq.map do |email|
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create(:user, email: email)
end
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expect(subject.committers).to match_array(users)
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end
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it 'returns an empty array if no committer is associated with a user' do
expect(subject.committers).to be_empty
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end
end
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describe '#hook_attrs' do
it 'delegates to Gitlab::HookData::MergeRequestBuilder#build' do
builder = double
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expect(Gitlab::HookData::MergeRequestBuilder)
.to receive(:new).with(subject).and_return(builder)
expect(builder).to receive(:build)
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subject.hook_attrs
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end
end
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describe '#diverged_commits_count' do
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let(:project) { create(:project, :repository) }
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let(:forked_project) { fork_project(project, nil, repository: true) }
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context 'when the target branch does not exist anymore' do
subject { create(:merge_request, source_project: project, target_project: project) }
before do
project.repository.raw_repository.delete_branch(subject.target_branch)
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subject.clear_memoized_shas
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end
it 'does not crash' do
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expect { subject.diverged_commits_count }.not_to raise_error
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end
it 'returns 0' do
expect(subject.diverged_commits_count).to eq(0)
end
end
context 'diverged on same repository' do
subject(:merge_request_with_divergence) { create(:merge_request, :diverged, source_project: project, target_project: project) }
it 'counts commits that are on target branch but not on source branch' do
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expect(subject.diverged_commits_count).to eq(29)
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end
end
context 'diverged on fork' do
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subject(:merge_request_fork_with_divergence) { create(:merge_request, :diverged, source_project: forked_project, target_project: project) }
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it 'counts commits that are on target branch but not on source branch' do
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expect(subject.diverged_commits_count).to eq(29)
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end
end
context 'rebased on fork' do
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subject(:merge_request_rebased) { create(:merge_request, :rebased, source_project: forked_project, target_project: project) }
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it 'counts commits that are on target branch but not on source branch' do
expect(subject.diverged_commits_count).to eq(0)
end
end
describe 'caching' do
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before do
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allow(Rails).to receive(:cache).and_return(ActiveSupport::Cache::MemoryStore.new)
end
it 'caches the output' do
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expect(subject).to receive(:compute_diverged_commits_count)
.once
.and_return(2)
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subject.diverged_commits_count
subject.diverged_commits_count
end
it 'invalidates the cache when the source sha changes' do
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expect(subject).to receive(:compute_diverged_commits_count)
.twice
.and_return(2)
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subject.diverged_commits_count
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allow(subject).to receive(:source_branch_sha).and_return('123abc')
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subject.diverged_commits_count
end
it 'invalidates the cache when the target sha changes' do
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expect(subject).to receive(:compute_diverged_commits_count)
.twice
.and_return(2)
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subject.diverged_commits_count
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allow(subject).to receive(:target_branch_sha).and_return('123abc')
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subject.diverged_commits_count
end
end
end
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it_behaves_like 'an editable mentionable' do
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subject { create(:merge_request, :simple) }
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let(:backref_text) { "merge request #{subject.to_reference}" }
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let(:set_mentionable_text) { ->(txt) { subject.description = txt } }
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end
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it_behaves_like 'a Taskable' do
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subject { create :merge_request, :simple }
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end
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describe '#commit_shas' do
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before do
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allow(subject.merge_request_diff).to receive(:commit_shas)
.and_return(['sha1'])
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end
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it 'delegates to merge request diff' do
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expect(subject.commit_shas).to eq ['sha1']
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end
end
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context 'head pipeline' do
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let(:diff_head_sha) { Digest::SHA1.hexdigest(SecureRandom.hex) }
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before do
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allow(subject).to receive(:diff_head_sha).and_return(diff_head_sha)
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end
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describe '#head_pipeline' do
it 'returns nil for MR without head_pipeline_id' do
subject.update_attribute(:head_pipeline_id, nil)
expect(subject.head_pipeline).to be_nil
end
context 'when the source project does not exist' do
it 'returns nil' do
allow(subject).to receive(:source_project).and_return(nil)
expect(subject.head_pipeline).to be_nil
end
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end
end
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describe '#actual_head_pipeline' do
it 'returns nil for MR with old pipeline' do
pipeline = create(:ci_empty_pipeline, sha: 'notlatestsha')
subject.update_attribute(:head_pipeline_id, pipeline.id)
expect(subject.actual_head_pipeline).to be_nil
end
it 'returns the pipeline for MR with recent pipeline' do
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pipeline = create(:ci_empty_pipeline, sha: diff_head_sha)
subject.update_attribute(:head_pipeline_id, pipeline.id)
expect(subject.actual_head_pipeline).to eq(subject.head_pipeline)
expect(subject.actual_head_pipeline).to eq(pipeline)
end
it 'returns the pipeline for MR with recent merge request pipeline' do
pipeline = create(:ci_empty_pipeline, sha: 'merge-sha', source_sha: diff_head_sha)
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subject.update_attribute(:head_pipeline_id, pipeline.id)
expect(subject.actual_head_pipeline).to eq(subject.head_pipeline)
expect(subject.actual_head_pipeline).to eq(pipeline)
end
it 'returns nil when source project does not exist' do
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allow(subject).to receive(:source_project).and_return(nil)
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expect(subject.actual_head_pipeline).to be_nil
end
end
end
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describe '#merge_pipeline' do
it 'returns nil when not merged' do
expect(subject.merge_pipeline).to be_nil
end
context 'when the MR is merged' do
let(:sha) { subject.target_project.commit.id }
let(:pipeline) { create(:ci_empty_pipeline, sha: sha, ref: subject.target_branch, project: subject.target_project) }
before do
subject.mark_as_merged!
subject.update_attribute(:merge_commit_sha, pipeline.sha)
end
it 'returns the post-merge pipeline' do
expect(subject.merge_pipeline).to eq(pipeline)
end
end
end
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describe '#has_ci?' do
let(:merge_request) { build_stubbed(:merge_request) }
context 'has ci' do
it 'returns true if MR has head_pipeline_id and commits' do
allow(merge_request).to receive_message_chain(:source_project, :ci_service) { nil }
allow(merge_request).to receive(:head_pipeline_id) { double }
allow(merge_request).to receive(:has_no_commits?) { false }
expect(merge_request.has_ci?).to be(true)
end
it 'returns true if MR has any pipeline and commits' do
allow(merge_request).to receive_message_chain(:source_project, :ci_service) { nil }
allow(merge_request).to receive(:head_pipeline_id) { nil }
allow(merge_request).to receive(:has_no_commits?) { false }
allow(merge_request).to receive(:all_pipelines) { [double] }
expect(merge_request.has_ci?).to be(true)
end
it 'returns true if MR has CI service and commits' do
allow(merge_request).to receive_message_chain(:source_project, :ci_service) { double }
allow(merge_request).to receive(:head_pipeline_id) { nil }
allow(merge_request).to receive(:has_no_commits?) { false }
allow(merge_request).to receive(:all_pipelines) { [] }
expect(merge_request.has_ci?).to be(true)
end
end
context 'has no ci' do
it 'returns false if MR has no CI service nor pipeline, and no commits' do
allow(merge_request).to receive_message_chain(:source_project, :ci_service) { nil }
allow(merge_request).to receive(:head_pipeline_id) { nil }
allow(merge_request).to receive(:all_pipelines) { [] }
allow(merge_request).to receive(:has_no_commits?) { true }
expect(merge_request.has_ci?).to be(false)
end
end
end
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describe '#all_pipelines' do
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shared_examples 'returning pipelines with proper ordering' do
let!(:all_pipelines) do
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subject.all_commit_shas.map do |sha|
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create(:ci_empty_pipeline,
project: subject.source_project,
sha: sha,
ref: subject.source_branch)
end
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end
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it 'returns all pipelines' do
expect(subject.all_pipelines).not_to be_empty
expect(subject.all_pipelines).to eq(all_pipelines.reverse)
end
end
context 'with single merge_request_diffs' do
it_behaves_like 'returning pipelines with proper ordering'
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end
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context 'with multiple irrelevant merge_request_diffs' do
before do
subject.update(target_branch: 'v1.0.0')
end
it_behaves_like 'returning pipelines with proper ordering'
end
context 'with unsaved merge request' do
subject { build(:merge_request) }
let!(:pipeline) do
create(:ci_empty_pipeline,
project: subject.project,
sha: subject.diff_head_sha,
ref: subject.source_branch)
end
it 'returns pipelines from diff_head_sha' do
expect(subject.all_pipelines).to contain_exactly(pipeline)
end
end
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context 'when pipelines exist for the branch and merge request' do
let(:source_ref) { 'feature' }
let(:target_ref) { 'master' }
let!(:branch_pipeline) do
create(:ci_pipeline,
source: :push,
project: project,
ref: source_ref,
sha: shas.second)
end
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let!(:detached_merge_request_pipeline) do
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create(:ci_pipeline,
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source: :merge_request_event,
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project: project,
ref: source_ref,
sha: shas.second,
merge_request: merge_request)
end
let(:merge_request) do
create(:merge_request,
source_project: project,
source_branch: source_ref,
target_project: project,
target_branch: target_ref)
end
let(:project) { create(:project, :repository) }
let(:shas) { project.repository.commits(source_ref, limit: 2).map(&:id) }
before do
allow(merge_request).to receive(:all_commit_shas) { shas }
end
it 'returns merge request pipeline first' do
expect(merge_request.all_pipelines)
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.to eq([detached_merge_request_pipeline,
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branch_pipeline])
end
context 'when there are a branch pipeline and a merge request pipeline' do
let!(:branch_pipeline_2) do
create(:ci_pipeline,
source: :push,
project: project,
ref: source_ref,
sha: shas.first)
end
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let!(:detached_merge_request_pipeline_2) do
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create(:ci_pipeline,
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source: :merge_request_event,
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project: project,
ref: source_ref,
sha: shas.first,
merge_request: merge_request)
end
it 'returns merge request pipelines first' do
expect(merge_request.all_pipelines)
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.to eq([detached_merge_request_pipeline_2,
detached_merge_request_pipeline,
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branch_pipeline_2,
branch_pipeline])
end
end
context 'when there are multiple merge request pipelines from the same branch' do
let!(:branch_pipeline_2) do
create(:ci_pipeline,
source: :push,
project: project,
ref: source_ref,
sha: shas.first)
end
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let!(:detached_merge_request_pipeline_2) do
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create(:ci_pipeline,
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source: :merge_request_event,
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project: project,
ref: source_ref,
sha: shas.first,
merge_request: merge_request_2)
end
let(:merge_request_2) do
create(:merge_request,
source_project: project,
source_branch: source_ref,
target_project: project,
target_branch: 'stable')
end
before do
allow(merge_request_2).to receive(:all_commit_shas) { shas }
end
it 'returns only related merge request pipelines' do
expect(merge_request.all_pipelines)
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.to eq([detached_merge_request_pipeline,
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branch_pipeline_2,
branch_pipeline])
expect(merge_request_2.all_pipelines)
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.to eq([detached_merge_request_pipeline_2,
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branch_pipeline_2,
branch_pipeline])
end
end
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context 'when detached merge request pipeline is run on head ref of the merge request' do
let!(:detached_merge_request_pipeline) do
create(:ci_pipeline,
source: :merge_request_event,
project: project,
ref: merge_request.ref_path,
sha: shas.second,
merge_request: merge_request)
end
it 'sets the head ref of the merge request to the pipeline ref' do
expect(detached_merge_request_pipeline.ref).to match(%r{refs/merge-requests/\d+/head})
end
it 'includes the detached merge request pipeline even though the ref is custom path' do
expect(merge_request.all_pipelines).to include(detached_merge_request_pipeline)
end
end
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end
end
describe '#update_head_pipeline' do
subject { merge_request.update_head_pipeline }
let(:merge_request) { create(:merge_request) }
context 'when there is a pipeline with the diff head sha' do
let!(:pipeline) do
create(:ci_empty_pipeline,
project: merge_request.project,
sha: merge_request.diff_head_sha,
ref: merge_request.source_branch)
end
it 'updates the head pipeline' do
expect { subject }
.to change { merge_request.reload.head_pipeline }
.from(nil).to(pipeline)
end
context 'when merge request has already had head pipeline' do
before do
merge_request.update!(head_pipeline: pipeline)
end
context 'when failed to find an actual head pipeline' do
before do
allow(merge_request).to receive(:find_actual_head_pipeline) { }
end
it 'does not update the current head pipeline' do
expect { subject }
.not_to change { merge_request.reload.head_pipeline }
end
end
end
end
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context 'when detached merge request pipeline is run on head ref of the merge request' do
let!(:pipeline) do
create(:ci_pipeline,
source: :merge_request_event,
project: merge_request.source_project,
ref: merge_request.ref_path,
sha: sha,
merge_request: merge_request)
end
let(:sha) { merge_request.diff_head_sha }
it 'sets the head ref of the merge request to the pipeline ref' do
expect(pipeline.ref).to match(%r{refs/merge-requests/\d+/head})
end
it 'updates correctly even though the target branch name of the merge request is different from the pipeline ref' do
expect { subject }
.to change { merge_request.reload.head_pipeline }
.from(nil).to(pipeline)
end
context 'when sha is not HEAD of the source branch' do
let(:sha) { merge_request.diff_base_sha }
it 'does not update head pipeline' do
expect { subject }.not_to change { merge_request.reload.head_pipeline }
end
end
end
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context 'when there are no pipelines with the diff head sha' do
it 'does not update the head pipeline' do
expect { subject }
.not_to change { merge_request.reload.head_pipeline }
end
end
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end
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describe '#has_test_reports?' do
subject { merge_request.has_test_reports? }
let(:project) { create(:project, :repository) }
context 'when head pipeline has test reports' do
let(:merge_request) { create(:merge_request, :with_test_reports, source_project: project) }
it { is_expected.to be_truthy }
end
context 'when head pipeline does not have test reports' do
let(:merge_request) { create(:merge_request, source_project: project) }
it { is_expected.to be_falsey }
end
end
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describe '#calculate_reactive_cache' do
let(:project) { create(:project, :repository) }
let(:merge_request) { create(:merge_request, source_project: project) }
subject { merge_request.calculate_reactive_cache(service_class_name) }
context 'when given an unknown service class name' do
let(:service_class_name) { 'Integer' }
it 'raises a NameError exception' do
expect { subject }.to raise_error(NameError, service_class_name)
end
end
context 'when given a known service class name' do
let(:service_class_name) { 'Ci::CompareTestReportsService' }
it 'does not raises a NameError exception' do
allow_any_instance_of(service_class_name.constantize).to receive(:execute).and_return(nil)
expect { subject }.not_to raise_error
end
end
end
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describe '#compare_test_reports' do
subject { merge_request.compare_test_reports }
let(:project) { create(:project, :repository) }
let(:merge_request) { create(:merge_request, source_project: project) }
let!(:base_pipeline) do
create(:ci_pipeline,
:with_test_reports,
project: project,
ref: merge_request.target_branch,
sha: merge_request.diff_base_sha)
end
before do
merge_request.update!(head_pipeline_id: head_pipeline.id)
end
context 'when head pipeline has test reports' do
let!(:head_pipeline) do
create(:ci_pipeline,
:with_test_reports,
project: project,
ref: merge_request.source_branch,
sha: merge_request.diff_head_sha)
end
context 'when reactive cache worker is parsing asynchronously' do
it 'returns status' do
expect(subject[:status]).to eq(:parsing)
end
end
context 'when reactive cache worker is inline' do
before do
synchronous_reactive_cache(merge_request)
end
it 'returns status and data' do
expect_any_instance_of(Ci::CompareTestReportsService)
.to receive(:execute).with(base_pipeline, head_pipeline).and_call_original
subject
end
context 'when cached results is not latest' do
before do
allow_any_instance_of(Ci::CompareTestReportsService)
.to receive(:latest?).and_return(false)
end
it 'raises and InvalidateReactiveCache error' do
expect { subject }.to raise_error(ReactiveCaching::InvalidateReactiveCache)
end
end
end
end
context 'when head pipeline does not have test reports' do
let!(:head_pipeline) do
create(:ci_pipeline,
project: project,
ref: merge_request.source_branch,
sha: merge_request.diff_head_sha)
end
it 'returns status and error message' do
expect(subject[:status]).to eq(:error)
expect(subject[:status_reason]).to eq('This merge request does not have test reports')
end
end
end
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describe '#all_commit_shas' do
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context 'when merge request is persisted' do
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let(:all_commit_shas) do
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subject.merge_request_diffs.flat_map(&:commits).map(&:sha).uniq
end
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shared_examples 'returning all SHA' do
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it 'returns all SHAs from all merge_request_diffs' do
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expect(subject.merge_request_diffs.size).to eq(2)
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expect(subject.all_commit_shas).to match_array(all_commit_shas)
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end
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end
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context 'with a completely different branch' do
before do
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subject.update(target_branch: 'csv')
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end
it_behaves_like 'returning all SHA'
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end
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context 'with a branch having no difference' do
before do
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subject.update(target_branch: 'branch-merged')
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subject.reload # make sure commits were not cached
end
it_behaves_like 'returning all SHA'
end
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end
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context 'when merge request is not persisted' do
context 'when compare commits are set in the service' do
let(:commit) { spy('commit') }
subject do
build(:merge_request, compare_commits: [commit, commit])
end
it 'returns commits from compare commits temporary data' do
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expect(subject.all_commit_shas).to eq [commit, commit]
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end
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end
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context 'when compare commits are not set in the service' do
subject { build(:merge_request) }
it 'returns array with diff head sha element only' do
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expect(subject.all_commit_shas).to eq [subject.diff_head_sha]
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end
end
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end
end
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describe '#short_merge_commit_sha' do
let(:merge_request) { build_stubbed(:merge_request) }
it 'returns short id when there is a merge_commit_sha' do
merge_request.merge_commit_sha = 'f7ce827c314c9340b075657fd61c789fb01cf74d'
expect(merge_request.short_merge_commit_sha).to eq('f7ce827c')
end
it 'returns nil when there is no merge_commit_sha' do
merge_request.merge_commit_sha = nil
expect(merge_request.short_merge_commit_sha).to be_nil
end
end
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describe '#can_be_reverted?' do
context 'when there is no merge_commit for the MR' do
before do
subject.metrics.update!(merged_at: Time.now.utc)
end
it 'returns false' do
expect(subject.can_be_reverted?(nil)).to be_falsey
end
end
context 'when the MR has been merged' do
before do
MergeRequests::MergeService
.new(subject.target_project, subject.author)
.execute(subject)
end
context 'when there is no revert commit' do
it 'returns true' do
expect(subject.can_be_reverted?(nil)).to be_truthy
end
end
context 'when there is no merged_at for the MR' do
before do
subject.metrics.update!(merged_at: nil)
end
it 'returns true' do
expect(subject.can_be_reverted?(nil)).to be_truthy
end
end
context 'when there is a revert commit' do
let(:current_user) { subject.author }
let(:branch) { subject.target_branch }
let(:project) { subject.target_project }
let(:revert_commit_id) do
params = {
commit: subject.merge_commit,
branch_name: branch,
start_branch: branch
}
Commits::RevertService.new(project, current_user, params).execute[:result]
end
before do
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project.add_maintainer(current_user)
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ProcessCommitWorker.new.perform(project.id,
current_user.id,
project.commit(revert_commit_id).to_hash,
project.default_branch == branch)
end
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context 'but merged at timestamp cannot be found' do
before do
allow(subject).to receive(:merged_at) { nil }
end
it 'returns false' do
expect(subject.can_be_reverted?(current_user)).to be_falsey
end
end
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context 'when the revert commit is mentioned in a note after the MR was merged' do
it 'returns false' do
expect(subject.can_be_reverted?(current_user)).to be_falsey
end
end
context 'when there is no merged_at for the MR' do
before do
subject.metrics.update!(merged_at: nil)
end
it 'returns false' do
expect(subject.can_be_reverted?(current_user)).to be_falsey
end
end
context 'when the revert commit is mentioned in a note just before the MR was merged' do
before do
subject.notes.last.update!(created_at: subject.metrics.merged_at - 30.seconds)
end
it 'returns false' do
expect(subject.can_be_reverted?(current_user)).to be_falsey
end
end
context 'when the revert commit is mentioned in a note long before the MR was merged' do
before do
subject.notes.last.update!(created_at: subject.metrics.merged_at - 2.minutes)
end
it 'returns true' do
expect(subject.can_be_reverted?(current_user)).to be_truthy
end
end
end
end
end
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describe '#merged_at' do
context 'when MR is not merged' do
let(:merge_request) { create(:merge_request, :closed) }
it 'returns nil' do
expect(merge_request.merged_at).to be_nil
end
end
context 'when metrics has merged_at data' do
let(:merge_request) { create(:merge_request, :merged) }
before do
merge_request.metrics.update!(merged_at: 1.day.ago)
end
it 'returns metrics merged_at' do
expect(merge_request.merged_at).to eq(merge_request.metrics.merged_at)
end
end
context 'when merged event is persisted, but no metrics merged_at is persisted' do
let(:user) { create(:user) }
let(:merge_request) { create(:merge_request, :merged) }
before do
EventCreateService.new.merge_mr(merge_request, user)
end
it 'returns merged event creation date' do
expect(merge_request.merge_event).to be_persisted
expect(merge_request.merged_at).to eq(merge_request.merge_event.created_at)
end
end
context 'when merging note is persisted, but no metrics or merge event exists' do
let(:user) { create(:user) }
let(:merge_request) { create(:merge_request, :merged) }
before do
merge_request.metrics.destroy!
SystemNoteService.change_status(merge_request,
merge_request.target_project,
user,
merge_request.state, nil)
end
it 'returns merging note creation date' do
expect(merge_request.reload.metrics).to be_nil
expect(merge_request.merge_event).to be_nil
expect(merge_request.notes.count).to eq(1)
expect(merge_request.merged_at).to eq(merge_request.notes.first.created_at)
end
end
end
describe '#participants' do
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let(:project) { create(:project, :public) }
let(:mr) do
create(:merge_request, source_project: project, target_project: project)
end
let!(:note1) do
create(:note_on_merge_request, noteable: mr, project: project, note: 'a')
end
let!(:note2) do
create(:note_on_merge_request, noteable: mr, project: project, note: 'b')
end
it 'includes the merge request author' do
expect(mr.participants).to include(mr.author)
end
it 'includes the authors of the notes' do
expect(mr.participants).to include(note1.author, note2.author)
end
end
describe 'cached counts' do
it 'updates when assignees change' do
user1 = create(:user)
user2 = create(:user)
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mr = create(:merge_request, assignees: [user1])
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mr.project.add_developer(user1)
mr.project.add_developer(user2)
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expect(user1.assigned_open_merge_requests_count).to eq(1)
expect(user2.assigned_open_merge_requests_count).to eq(0)
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mr.assignees = [user2]
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expect(user1.assigned_open_merge_requests_count).to eq(0)
expect(user2.assigned_open_merge_requests_count).to eq(1)
end
end
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describe '#merge_async' do
it 'enqueues MergeWorker job and updates merge_jid' do
merge_request = create(:merge_request)
user_id = double(:user_id)
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params = {}
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merge_jid = 'hash-123'
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expect(merge_request).to receive(:expire_etag_cache)
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expect(MergeWorker).to receive(:perform_async).with(merge_request.id, user_id, params) do
merge_jid
end
merge_request.merge_async(user_id, params)
expect(merge_request.reload.merge_jid).to eq(merge_jid)
end
end
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describe '#rebase_async' do
let(:merge_request) { create(:merge_request) }
let(:user_id) { double(:user_id) }
let(:rebase_jid) { 'rebase-jid' }
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subject(:execute) { merge_request.rebase_async(user_id) }
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it 'atomically enqueues a RebaseWorker job and updates rebase_jid' do
expect(RebaseWorker)
.to receive(:perform_async)
.with(merge_request.id, user_id)
.and_return(rebase_jid)
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expect(merge_request).to receive(:expire_etag_cache)
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expect(merge_request).to receive(:lock!).and_call_original
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execute
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expect(merge_request.rebase_jid).to eq(rebase_jid)
end
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it 'refuses to enqueue a job if a rebase is in progress' do
merge_request.update_column(:rebase_jid, rebase_jid)
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expect(RebaseWorker).not_to receive(:perform_async)
expect(Gitlab::SidekiqStatus)
.to receive(:running?)
.with(rebase_jid)
.and_return(true)
expect { execute }.to raise_error(ActiveRecord::StaleObjectError)
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end
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it 'refuses to enqueue a job if the MR is not open' do
merge_request.update_column(:state, 'foo')
expect(RebaseWorker).not_to receive(:perform_async)
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expect { execute }.to raise_error(ActiveRecord::StaleObjectError)
end
end
describe '#mergeable?' do
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let(:project) { create(:project) }
subject { create(:merge_request, source_project: project) }
it 'returns false if #mergeable_state? is false' do
expect(subject).to receive(:mergeable_state?) { false }
expect(subject.mergeable?).to be_falsey
end
it 'return true if #mergeable_state? is true and the MR #can_be_merged? is true' do
allow(subject).to receive(:mergeable_state?) { true }
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expect(subject).to receive(:check_mergeability)
expect(subject).to receive(:can_be_merged?) { true }
expect(subject.mergeable?).to be_truthy
end
end
describe '#mergeable_state?' do
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let(:project) { create(:project, :repository) }
subject { create(:merge_request, source_project: project) }
it 'checks if merge request can be merged' do
allow(subject).to receive(:mergeable_ci_state?) { true }
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expect(subject).to receive(:check_mergeability)
subject.mergeable?
end
context 'when not open' do
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before do
subject.close
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
context 'when working in progress' do
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before do
subject.title = 'WIP MR'
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
context 'when broken' do
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before do
allow(subject).to receive(:broken?) { true }
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
context 'when failed' do
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context 'when #mergeable_ci_state? is false' do
before do
allow(subject).to receive(:mergeable_ci_state?) { false }
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
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context 'when #mergeable_discussions_state? is false' do
before do
allow(subject).to receive(:mergeable_discussions_state?) { false }
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
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it 'returns true when skipping discussions check' do
expect(subject.mergeable_state?(skip_discussions_check: true)).to be(true)
end
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end
end
end
describe '#mergeable_ci_state?' do
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let(:project) { create(:project, only_allow_merge_if_pipeline_succeeds: true) }
let(:pipeline) { create(:ci_empty_pipeline) }
subject { build(:merge_request, target_project: project) }
context 'when it is only allowed to merge when build is green' do
context 'and a failed pipeline is associated' do
before do
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pipeline.update(status: 'failed', sha: subject.diff_head_sha)
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allow(subject).to receive(:head_pipeline) { pipeline }
end
it { expect(subject.mergeable_ci_state?).to be_falsey }
end
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context 'and a successful pipeline is associated' do
before do
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pipeline.update(status: 'success', sha: subject.diff_head_sha)
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allow(subject).to receive(:head_pipeline) { pipeline }
end
it { expect(subject.mergeable_ci_state?).to be_truthy }
end
context 'and a skipped pipeline is associated' do
before do
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pipeline.update(status: 'skipped', sha: subject.diff_head_sha)
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allow(subject).to receive(:head_pipeline) { pipeline }
end
it { expect(subject.mergeable_ci_state?).to be_truthy }
end
context 'when no pipeline is associated' do
before do
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allow(subject).to receive(:head_pipeline) { nil }
end
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it { expect(subject.mergeable_ci_state?).to be_falsey }
end
end
context 'when merges are not restricted to green builds' do
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subject { build(:merge_request, target_project: create(:project, only_allow_merge_if_pipeline_succeeds: false)) }
context 'and a failed pipeline is associated' do
before do
pipeline.statuses << create(:commit_status, status: 'failed', project: project)
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allow(subject).to receive(:head_pipeline) { pipeline }
end
it { expect(subject.mergeable_ci_state?).to be_truthy }
end
context 'when no pipeline is associated' do
before do
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allow(subject).to receive(:head_pipeline) { nil }
end
it { expect(subject.mergeable_ci_state?).to be_truthy }
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end
end
end
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describe '#mergeable_discussions_state?' do
let(:merge_request) { create(:merge_request_with_diff_notes, source_project: project) }
context 'when project.only_allow_merge_if_all_discussions_are_resolved == true' do
let(:project) { create(:project, :repository, only_allow_merge_if_all_discussions_are_resolved: true) }
context 'with all discussions resolved' do
before do
merge_request.discussions.each { |d| d.resolve!(merge_request.author) }
end
it 'returns true' do
expect(merge_request.mergeable_discussions_state?).to be_truthy
end
end
context 'with unresolved discussions' do
before do
merge_request.discussions.each(&:unresolve!)
end
it 'returns false' do
expect(merge_request.mergeable_discussions_state?).to be_falsey
end
end
context 'with no discussions' do
before do
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merge_request.notes.destroy_all # rubocop: disable DestroyAll
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end
it 'returns true' do
expect(merge_request.mergeable_discussions_state?).to be_truthy
end
end
end
context 'when project.only_allow_merge_if_all_discussions_are_resolved == false' do
let(:project) { create(:project, :repository, only_allow_merge_if_all_discussions_are_resolved: false) }
context 'with unresolved discussions' do
before do
merge_request.discussions.each(&:unresolve!)
end
it 'returns true' do
expect(merge_request.mergeable_discussions_state?).to be_truthy
end
end
end
end
describe "#environments_for" do
let(:project) { create(:project, :repository) }
let(:user) { project.creator }
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let(:merge_request) { create(:merge_request, source_project: project) }
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before do
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merge_request.source_project.add_maintainer(user)
merge_request.target_project.add_maintainer(user)
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end
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context 'with multiple environments' do
let(:environments) { create_list(:environment, 3, project: project) }
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before do
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create(:deployment, :success, environment: environments.first, ref: 'master', sha: project.commit('master').id)
create(:deployment, :success, environment: environments.second, ref: 'feature', sha: project.commit('feature').id)
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end
it 'selects deployed environments' do
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expect(merge_request.environments_for(user)).to contain_exactly(environments.first)
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end
end
context 'with environments on source project' do
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let(:source_project) { fork_project(project, nil, repository: true) }
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let(:merge_request) do
create(:merge_request,
source_project: source_project, source_branch: 'feature',
target_project: project)
end
let(:source_environment) { create(:environment, project: source_project) }
before do
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create(:deployment, :success, environment: source_environment, ref: 'feature', sha: merge_request.diff_head_sha)
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end
it 'selects deployed environments' do
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expect(merge_request.environments_for(user)).to contain_exactly(source_environment)
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end
context 'with environments on target project' do
let(:target_environment) { create(:environment, project: project) }
before do
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create(:deployment, :success, environment: target_environment, tag: true, sha: merge_request.diff_head_sha)
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end
it 'selects deployed environments' do
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expect(merge_request.environments_for(user)).to contain_exactly(source_environment, target_environment)
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end
end
end
context 'without a diff_head_commit' do
before do
expect(merge_request).to receive(:diff_head_commit).and_return(nil)
end
it 'returns an empty array' do
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expect(merge_request.environments_for(user)).to be_empty
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end
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end
end
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describe "#environments" do
subject { merge_request.environments }
let(:merge_request) { create(:merge_request, source_branch: 'feature', target_branch: 'master') }
let(:project) { merge_request.project }
let(:pipeline) do
create(:ci_pipeline,
source: :merge_request_event,
merge_request: merge_request, project: project,
sha: merge_request.diff_head_sha,
merge_requests_as_head_pipeline: [merge_request])
end
let!(:job) { create(:ci_build, :start_review_app, pipeline: pipeline, project: project) }
it 'returns environments' do
is_expected.to eq(pipeline.environments)
expect(subject.count).to be(1)
end
context 'when pipeline is not associated with environments' do
let!(:job) { create(:ci_build, pipeline: pipeline, project: project) }
it 'returns empty array' do
is_expected.to be_empty
end
end
context 'when pipeline is not a pipeline for merge request' do
let(:pipeline) do
create(:ci_pipeline,
project: project,
ref: 'feature',
sha: merge_request.diff_head_sha,
merge_requests_as_head_pipeline: [merge_request])
end
it 'returns empty relation' do
is_expected.to be_empty
end
end
end
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describe "#reload_diff" do
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it 'calls MergeRequests::ReloadDiffsService#execute with correct params' do
user = create(:user)
service = instance_double(MergeRequests::ReloadDiffsService, execute: nil)
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expect(MergeRequests::ReloadDiffsService)
.to receive(:new).with(subject, user)
.and_return(service)
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subject.reload_diff(user)
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expect(service).to have_received(:execute)
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end
context 'when using the after_update hook to update' do
context 'when the branches are updated' do
it 'uses the new heads to generate the diff' do
expect { subject.update!(source_branch: subject.target_branch, target_branch: subject.source_branch) }
.to change { subject.merge_request_diff.start_commit_sha }
.and change { subject.merge_request_diff.head_commit_sha }
end
end
end
end
describe '#update_diff_discussion_positions' do
let(:discussion) { create(:diff_note_on_merge_request, project: subject.project, noteable: subject).to_discussion }
let(:commit) { subject.project.commit(sample_commit.id) }
let(:old_diff_refs) { subject.diff_refs }
before do
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# Update merge_request_diff so that #diff_refs will return commit.diff_refs
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allow(subject).to receive(:create_merge_request_diff) do
subject.merge_request_diffs.create(
base_commit_sha: commit.parent_id,
start_commit_sha: commit.parent_id,
head_commit_sha: commit.sha
)
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subject.reload_merge_request_diff
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end
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end
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it "updates diff discussion positions" do
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expect(Discussions::UpdateDiffPositionService).to receive(:new).with(
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subject.project,
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subject.author,
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old_diff_refs: old_diff_refs,
new_diff_refs: commit.diff_refs,
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paths: discussion.position.paths
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).and_call_original
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expect_any_instance_of(Discussions::UpdateDiffPositionService).to receive(:execute).with(discussion).and_call_original
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expect_any_instance_of(DiffNote).to receive(:save).once
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subject.update_diff_discussion_positions(old_diff_refs: old_diff_refs,
new_diff_refs: commit.diff_refs,
current_user: subject.author)
end
context 'when resolve_outdated_diff_discussions is set' do
before do
discussion
subject.project.update!(resolve_outdated_diff_discussions: true)
end
it 'calls MergeRequests::ResolvedDiscussionNotificationService' do
expect_any_instance_of(MergeRequests::ResolvedDiscussionNotificationService)
.to receive(:execute).with(subject)
subject.update_diff_discussion_positions(old_diff_refs: old_diff_refs,
new_diff_refs: commit.diff_refs,
current_user: subject.author)
end
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end
end
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describe '#branch_merge_base_commit' do
context 'source and target branch exist' do
it { expect(subject.branch_merge_base_commit.sha).to eq('ae73cb07c9eeaf35924a10f713b364d32b2dd34f') }
it { expect(subject.branch_merge_base_commit).to be_a(Commit) }
end
context 'when the target branch does not exist' do
before do
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subject.project.repository.rm_branch(subject.author, subject.target_branch)
subject.clear_memoized_shas
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end
it 'returns nil' do
expect(subject.branch_merge_base_commit).to be_nil
end
end
end
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describe "#diff_refs" do
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context "with diffs" do
subject { create(:merge_request, :with_diffs) }
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let(:expected_diff_refs) do
Gitlab::Diff::DiffRefs.new(
base_sha: subject.merge_request_diff.base_commit_sha,
start_sha: subject.merge_request_diff.start_commit_sha,
head_sha: subject.merge_request_diff.head_commit_sha
)
end
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it "does not touch the repository" do
subject # Instantiate the object
expect_any_instance_of(Repository).not_to receive(:commit)
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subject.diff_refs
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end
it "returns expected diff_refs" do
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expect(subject.diff_refs).to eq(expected_diff_refs)
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end
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context 'when importing' do
before do
subject.importing = true
end
it "returns MR diff_refs" do
expect(subject.diff_refs).to eq(expected_diff_refs)
end
end
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end
end
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describe "#source_project_missing?" do
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let(:project) { create(:project) }
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let(:forked_project) { fork_project(project) }
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let(:user) { create(:user) }
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let(:unlink_project) { Projects::UnlinkForkService.new(forked_project, user) }
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context "when the fork exists" do
let(:merge_request) do
create(:merge_request,
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source_project: forked_project,
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target_project: project)
end
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it { expect(merge_request.source_project_missing?).to be_falsey }
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end
context "when the source project is the same as the target project" do
let(:merge_request) { create(:merge_request, source_project: project) }
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it { expect(merge_request.source_project_missing?).to be_falsey }
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end
context "when the fork does not exist" do
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let!(:merge_request) do
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create(:merge_request,
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source_project: forked_project,
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target_project: project)
end
it "returns true" do
unlink_project.execute
merge_request.reload
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expect(merge_request.source_project_missing?).to be_truthy
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end
end
end
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describe '#merge_ongoing?' do
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it 'returns true when the merge request is locked' do
merge_request = build_stubbed(:merge_request, state: :locked)
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expect(merge_request.merge_ongoing?).to be(true)
end
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it 'returns true when merge_id, MR is not merged and it has no running job' do
merge_request = build_stubbed(:merge_request, state: :open, merge_jid: 'foo')
allow(Gitlab::SidekiqStatus).to receive(:running?).with('foo') { true }
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expect(merge_request.merge_ongoing?).to be(true)
end
it 'returns false when merge_jid is nil' do
merge_request = build_stubbed(:merge_request, state: :open, merge_jid: nil)
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expect(merge_request.merge_ongoing?).to be(false)
end
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it 'returns false if MR is merged' do
merge_request = build_stubbed(:merge_request, state: :merged, merge_jid: 'foo')
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expect(merge_request.merge_ongoing?).to be(false)
end
it 'returns false if there is no merge job running' do
merge_request = build_stubbed(:merge_request, state: :open, merge_jid: 'foo')
allow(Gitlab::SidekiqStatus).to receive(:running?).with('foo') { false }
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expect(merge_request.merge_ongoing?).to be(false)
end
end
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describe "#closed_without_fork?" do
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let(:project) { create(:project) }
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let(:forked_project) { fork_project(project) }
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let(:user) { create(:user) }
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let(:unlink_project) { Projects::UnlinkForkService.new(forked_project, user) }
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context "when the merge request is closed" do
let(:closed_merge_request) do
create(:closed_merge_request,
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source_project: forked_project,
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target_project: project)
end
it "returns false if the fork exist" do
expect(closed_merge_request.closed_without_fork?).to be_falsey
end
it "returns true if the fork does not exist" do
unlink_project.execute
closed_merge_request.reload
expect(closed_merge_request.closed_without_fork?).to be_truthy
end
end
context "when the merge request is open" do
let(:open_merge_request) do
create(:merge_request,
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source_project: forked_project,
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target_project: project)
end
it "returns false" do
expect(open_merge_request.closed_without_fork?).to be_falsey
end
end
end
describe '#reopenable?' do
context 'when the merge request is closed' do
it 'returns true' do
subject.close
expect(subject.reopenable?).to be_truthy
end
context 'forked project' do
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let(:project) { create(:project, :public) }
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let(:user) { create(:user) }
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let(:forked_project) { fork_project(project, user) }
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let!(:merge_request) do
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create(:closed_merge_request,
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source_project: forked_project,
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target_project: project)
end
it 'returns false if unforked' do
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Projects::UnlinkForkService.new(forked_project, user).execute
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expect(merge_request.reload.reopenable?).to be_falsey
end
it 'returns false if the source project is deleted' do
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Projects::DestroyService.new(forked_project, user).execute
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expect(merge_request.reload.reopenable?).to be_falsey
end
it 'returns false if the merge request is merged' do
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merge_request.update(state: 'merged')
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expect(merge_request.reload.reopenable?).to be_falsey
end
end
end
context 'when the merge request is opened' do
it 'returns false' do
expect(subject.reopenable?).to be_falsey
end
end
end
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describe '#mergeable_with_quick_action?' do
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def create_pipeline(status)
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pipeline = create(:ci_pipeline_with_one_job,
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project: project,
ref: merge_request.source_branch,
sha: merge_request.diff_head_sha,
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status: status,
head_pipeline_of: merge_request)
pipeline
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end
let(:project) { create(:project, :public, :repository, only_allow_merge_if_pipeline_succeeds: true) }
let(:developer) { create(:user) }
let(:user) { create(:user) }
let(:merge_request) { create(:merge_request, source_project: project) }
let(:mr_sha) { merge_request.diff_head_sha }
before do
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project.add_developer(developer)
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end
context 'when autocomplete_precheck is set to true' do
it 'is mergeable by developer' do
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expect(merge_request.mergeable_with_quick_action?(developer, autocomplete_precheck: true)).to be_truthy
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end
it 'is not mergeable by normal user' do
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expect(merge_request.mergeable_with_quick_action?(user, autocomplete_precheck: true)).to be_falsey
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end
end
context 'when autocomplete_precheck is set to false' do
it 'is mergeable by developer' do
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expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_truthy
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end
it 'is not mergeable by normal user' do
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expect(merge_request.mergeable_with_quick_action?(user, last_diff_sha: mr_sha)).to be_falsey
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end
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context 'closed MR' do
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before do
merge_request.update_attribute(:state, :closed)
end
it 'is not mergeable' do
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expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_falsey
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end
end
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context 'MR with WIP' do
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before do
merge_request.update_attribute(:title, 'WIP: some MR')
end
it 'is not mergeable' do
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expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_falsey
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end
end
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context 'sha differs from the MR diff_head_sha' do
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it 'is not mergeable' do
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expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: 'some other sha')).to be_falsey
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end
end
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context 'sha is not provided' do
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it 'is not mergeable' do
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expect(merge_request.mergeable_with_quick_action?(developer)).to be_falsey
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end
end
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context 'with pipeline ok' do
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before do
create_pipeline(:success)
end
it 'is mergeable' do
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expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_truthy
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end
end
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context 'with failing pipeline' do
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before do
create_pipeline(:failed)
end
it 'is not mergeable' do
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expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_falsey
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end
end
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context 'with running pipeline' do
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before do
create_pipeline(:running)
end
it 'is mergeable' do
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expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_truthy
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end
end
end
end
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describe '#base_pipeline' do
let(:pipeline_arguments) do
{
project: project,
ref: merge_request.target_branch,
sha: merge_request.diff_base_sha
}
end
let(:project) { create(:project, :public, :repository) }
let(:merge_request) { create(:merge_request, source_project: project) }
let!(:first_pipeline) { create(:ci_pipeline_without_jobs, pipeline_arguments) }
let!(:last_pipeline) { create(:ci_pipeline_without_jobs, pipeline_arguments) }
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let!(:last_pipeline_with_other_ref) { create(:ci_pipeline_without_jobs, pipeline_arguments.merge(ref: 'other')) }
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it 'returns latest pipeline for the target branch' do
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expect(merge_request.base_pipeline).to eq(last_pipeline)
end
end
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describe '#has_commits?' do
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it 'returns true when merge request diff has commits' do
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allow(subject.merge_request_diff).to receive(:commits_count)
.and_return(2)
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expect(subject.has_commits?).to be_truthy
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end
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context 'when commits_count is nil' do
it 'returns false' do
allow(subject.merge_request_diff).to receive(:commits_count)
.and_return(nil)
expect(subject.has_commits?).to be_falsey
end
end
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end
describe '#has_no_commits?' do
before do
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allow(subject.merge_request_diff).to receive(:commits_count)
.and_return(0)
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end
it 'returns true when merge request diff has 0 commits' do
expect(subject.has_no_commits?).to be_truthy
end
end
describe '#merge_request_diff_for' do
subject { create(:merge_request, importing: true) }
let!(:merge_request_diff1) { subject.merge_request_diffs.create(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9') }
let!(:merge_request_diff2) { subject.merge_request_diffs.create(head_commit_sha: nil) }
let!(:merge_request_diff3) { subject.merge_request_diffs.create(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e') }
context 'with diff refs' do
it 'returns the diffs' do
expect(subject.merge_request_diff_for(merge_request_diff1.diff_refs)).to eq(merge_request_diff1)
end
end
context 'with a commit SHA' do
it 'returns the diffs' do
expect(subject.merge_request_diff_for(merge_request_diff3.head_commit_sha)).to eq(merge_request_diff3)
end
end
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it 'runs a single query on the initial call, and none afterwards' do
expect { subject.merge_request_diff_for(merge_request_diff1.diff_refs) }
.not_to exceed_query_limit(1)
expect { subject.merge_request_diff_for(merge_request_diff2.diff_refs) }
.not_to exceed_query_limit(0)
expect { subject.merge_request_diff_for(merge_request_diff3.head_commit_sha) }
.not_to exceed_query_limit(0)
end
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end
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describe '#version_params_for' do
subject { create(:merge_request, importing: true) }
let(:project) { subject.project }
let!(:merge_request_diff1) { subject.merge_request_diffs.create(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9') }
let!(:merge_request_diff2) { subject.merge_request_diffs.create(head_commit_sha: nil) }
let!(:merge_request_diff3) { subject.merge_request_diffs.create(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e') }
context 'when the diff refs are for an older merge request version' do
let(:diff_refs) { merge_request_diff1.diff_refs }
it 'returns the diff ID for the version to show' do
expect(subject.version_params_for(diff_refs)).to eq(diff_id: merge_request_diff1.id)
end
end
context 'when the diff refs are for a comparison between merge request versions' do
let(:diff_refs) { merge_request_diff3.compare_with(merge_request_diff1.head_commit_sha).diff_refs }
it 'returns the diff ID and start sha of the versions to compare' do
expect(subject.version_params_for(diff_refs)).to eq(diff_id: merge_request_diff3.id, start_sha: merge_request_diff1.head_commit_sha)
end
end
context 'when the diff refs are not for a merge request version' do
let(:diff_refs) { project.commit(sample_commit.id).diff_refs }
it 'returns nil' do
expect(subject.version_params_for(diff_refs)).to be_nil
end
end
end
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describe '#fetch_ref!' do
it 'fetches the ref correctly' do
expect { subject.target_project.repository.delete_refs(subject.ref_path) }.not_to raise_error
subject.fetch_ref!
expect(subject.target_project.repository.ref_exists?(subject.ref_path)).to be_truthy
end
end
describe 'removing a merge request' do
it 'refreshes the number of open merge requests of the target project' do
project = subject.target_project
expect { subject.destroy }
.to change { project.open_merge_requests_count }.from(1).to(0)
end
end
it_behaves_like 'throttled touch' do
subject { create(:merge_request, updated_at: 1.hour.ago) }
end
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context 'state machine transitions' do
describe '#unlock_mr' do
subject { create(:merge_request, state: 'locked', merge_jid: 123) }
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it 'updates merge request head pipeline and sets merge_jid to nil' do
pipeline = create(:ci_empty_pipeline, project: subject.project, ref: subject.source_branch, sha: subject.source_branch_sha)
subject.unlock_mr
subject.reload
expect(subject.head_pipeline).to eq(pipeline)
expect(subject.merge_jid).to be_nil
end
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end
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describe 'transition to cannot_be_merged' do
let(:notification_service) { double(:notification_service) }
let(:todo_service) { double(:todo_service) }
subject { create(:merge_request, state, merge_status: :unchecked) }
before do
allow(NotificationService).to receive(:new).and_return(notification_service)
allow(TodoService).to receive(:new).and_return(todo_service)
allow(subject.project.repository).to receive(:can_be_merged?).and_return(false)
end
[:opened, :locked].each do |state|
context state do
let(:state) { state }
it 'notifies conflict, but does not notify again if rechecking still results in cannot_be_merged' do
expect(notification_service).to receive(:merge_request_unmergeable).with(subject).once
expect(todo_service).to receive(:merge_request_became_unmergeable).with(subject).once
subject.mark_as_unmergeable
subject.mark_as_unchecked
subject.mark_as_unmergeable
end
it 'notifies conflict, whenever newly unmergeable' do
expect(notification_service).to receive(:merge_request_unmergeable).with(subject).twice
expect(todo_service).to receive(:merge_request_became_unmergeable).with(subject).twice
subject.mark_as_unmergeable
subject.mark_as_unchecked
subject.mark_as_mergeable
subject.mark_as_unchecked
subject.mark_as_unmergeable
end
it 'does not notify whenever merge request is newly unmergeable due to other reasons' do
allow(subject.project.repository).to receive(:can_be_merged?).and_return(true)
expect(notification_service).not_to receive(:merge_request_unmergeable)
expect(todo_service).not_to receive(:merge_request_became_unmergeable)
subject.mark_as_unmergeable
end
end
end
[:closed, :merged].each do |state|
let(:state) { state }
context state do
it 'does not notify' do
expect(notification_service).not_to receive(:merge_request_unmergeable)
expect(todo_service).not_to receive(:merge_request_became_unmergeable)
subject.mark_as_unmergeable
end
end
end
context 'source branch is missing' do
subject { create(:merge_request, :invalid, :opened, merge_status: :unchecked, target_branch: 'master') }
before do
allow(subject.project.repository).to receive(:can_be_merged?).and_call_original
end
it 'does not raise error' do
expect(notification_service).not_to receive(:merge_request_unmergeable)
expect(todo_service).not_to receive(:merge_request_became_unmergeable)
expect { subject.mark_as_unmergeable }.not_to raise_error
expect(subject.cannot_be_merged?).to eq(true)
end
end
end
describe 'check_state?' do
it 'indicates whether MR is still checking for mergeability' do
state_machine = described_class.state_machines[:merge_status]
check_states = [:unchecked, :cannot_be_merged_recheck]
check_states.each do |merge_status|
expect(state_machine.check_state?(merge_status)).to be true
end
(state_machine.states.map(&:name) - check_states).each do |merge_status|
expect(state_machine.check_state?(merge_status)).to be false
end
end
end
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end
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describe '#should_be_rebased?' do
let(:project) { create(:project, :repository) }
it 'returns false for the same source and target branches' do
merge_request = create(:merge_request, source_project: project, target_project: project)
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expect(merge_request.should_be_rebased?).to be_falsey
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end
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end
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describe '#rebase_in_progress?' do
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where(:rebase_jid, :jid_valid, :result) do
'foo' | true | true
'foo' | false | false
'' | true | false
nil | true | false
end
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with_them do
let(:merge_request) { create(:merge_request) }
subject { merge_request.rebase_in_progress? }
it do
allow(Gitlab::SidekiqStatus).to receive(:running?).with(rebase_jid) { jid_valid }
merge_request.rebase_jid = rebase_jid
is_expected.to eq(result)
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end
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end
end
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describe '#allow_collaboration' do
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let(:merge_request) do
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build(:merge_request, source_branch: 'fixes', allow_collaboration: true)
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end
it 'is false when pushing by a maintainer is not possible' do
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expect(merge_request).to receive(:collaborative_push_possible?) { false }
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expect(merge_request.allow_collaboration).to be_falsy
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end
it 'is true when pushing by a maintainer is possible' do
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expect(merge_request).to receive(:collaborative_push_possible?) { true }
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expect(merge_request.allow_collaboration).to be_truthy
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end
end
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describe '#collaborative_push_possible?' do
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let(:merge_request) do
build(:merge_request, source_branch: 'fixes')
end
before do
allow(ProtectedBranch).to receive(:protected?) { false }
end
it 'does not allow maintainer to push if the source project is the same as the target' do
merge_request.target_project = merge_request.source_project = create(:project, :public)
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expect(merge_request.collaborative_push_possible?).to be_falsy
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end
it 'allows maintainer to push when both source and target are public' do
merge_request.target_project = build(:project, :public)
merge_request.source_project = build(:project, :public)
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expect(merge_request.collaborative_push_possible?).to be_truthy
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end
it 'is not available for protected branches' do
merge_request.target_project = build(:project, :public)
merge_request.source_project = build(:project, :public)
expect(ProtectedBranch).to receive(:protected?)
.with(merge_request.source_project, 'fixes')
.and_return(true)
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expect(merge_request.collaborative_push_possible?).to be_falsy
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end
end
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describe '#includes_any_commits?' do
it 'returns false' do
expect(subject.includes_any_commits?([])).to be_falsey
end
it 'returns false' do
expect(subject.includes_any_commits?([Gitlab::Git::BLANK_SHA])).to be_falsey
end
it 'returns true' do
expect(subject.includes_any_commits?([subject.merge_request_diff.head_commit_sha])).to be_truthy
end
it 'returns true even when there is a non-existent comit' do
expect(subject.includes_any_commits?([Gitlab::Git::BLANK_SHA, subject.merge_request_diff.head_commit_sha])).to be_truthy
end
context 'unpersisted merge request' do
let(:new_mr) { build(:merge_request) }
it 'returns false' do
expect(new_mr.includes_any_commits?([Gitlab::Git::BLANK_SHA])).to be_falsey
end
it 'returns true' do
expect(new_mr.includes_any_commits?([subject.merge_request_diff.head_commit_sha])).to be_truthy
end
end
end
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describe '#can_allow_collaboration?' do
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let(:target_project) { create(:project, :public) }
let(:source_project) { fork_project(target_project) }
let(:merge_request) do
create(:merge_request,
source_project: source_project,
source_branch: 'fixes',
target_project: target_project)
end
let(:user) { create(:user) }
before do
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allow(merge_request).to receive(:collaborative_push_possible?) { true }
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end
it 'is false if the user does not have push access to the source project' do
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expect(merge_request.can_allow_collaboration?(user)).to be_falsy
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end
it 'is true when the user has push access to the source project' do
source_project.add_developer(user)
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expect(merge_request.can_allow_collaboration?(user)).to be_truthy
end
end
describe '#merge_participants' do
it 'contains author' do
expect(subject.merge_participants).to eq([subject.author])
end
describe 'when merge_when_pipeline_succeeds? is true' do
describe 'when merge user is author' do
let(:user) { create(:user) }
subject do
create(:merge_request,
merge_when_pipeline_succeeds: true,
merge_user: user,
author: user)
end
it 'contains author only' do
expect(subject.merge_participants).to eq([subject.author])
end
end
describe 'when merge user and author are different users' do
let(:merge_user) { create(:user) }
subject do
create(:merge_request,
merge_when_pipeline_succeeds: true,
merge_user: merge_user)
end
it 'contains author and merge user' do
expect(subject.merge_participants).to eq([subject.author, merge_user])
end
end
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end
end
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describe '.merge_request_ref?' do
subject { described_class.merge_request_ref?(ref) }
context 'when ref is ref name of a branch' do
let(:ref) { 'feature' }
it { is_expected.to be_falsey }
end
context 'when ref is HEAD ref path of a branch' do
let(:ref) { 'refs/heads/feature' }
it { is_expected.to be_falsey }
end
context 'when ref is HEAD ref path of a merge request' do
let(:ref) { 'refs/merge-requests/1/head' }
it { is_expected.to be_truthy }
end
context 'when ref is merge ref path of a merge request' do
let(:ref) { 'refs/merge-requests/1/merge' }
it { is_expected.to be_truthy }
end
end
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describe '.merge_train_ref?' do
subject { described_class.merge_train_ref?(ref) }
context 'when ref is ref name of a branch' do
let(:ref) { 'feature' }
it { is_expected.to be_falsey }
end
context 'when ref is HEAD ref path of a branch' do
let(:ref) { 'refs/heads/feature' }
it { is_expected.to be_falsey }
end
context 'when ref is HEAD ref path of a merge request' do
let(:ref) { 'refs/merge-requests/1/head' }
it { is_expected.to be_falsey }
end
context 'when ref is merge ref path of a merge request' do
let(:ref) { 'refs/merge-requests/1/merge' }
it { is_expected.to be_falsey }
end
context 'when ref is train ref path of a merge request' do
let(:ref) { 'refs/merge-requests/1/train' }
it { is_expected.to be_truthy }
end
end
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describe '#cleanup_refs' do
subject { merge_request.cleanup_refs(only: only) }
let(:merge_request) { build(:merge_request) }
context 'when removing all refs' do
let(:only) { :all }
it 'deletes all refs from the target project' do
expect(merge_request.target_project.repository)
.to receive(:delete_refs)
.with(merge_request.ref_path, merge_request.merge_ref_path, merge_request.train_ref_path)
subject
end
end
context 'when removing only train ref' do
let(:only) { :train }
it 'deletes train ref from the target project' do
expect(merge_request.target_project.repository)
.to receive(:delete_refs)
.with(merge_request.train_ref_path)
subject
end
end
end
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end