debian-mirror-gitlab/spec/services/merge_requests/build_service_spec.rb

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require 'spec_helper'
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describe MergeRequests::BuildService do
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using RSpec::Parameterized::TableSyntax
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include RepoHelpers
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let(:project) { create(:project, :repository) }
let(:source_project) { nil }
let(:target_project) { nil }
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let(:user) { create(:user) }
let(:issue_confidential) { false }
let(:issue) { create(:issue, project: project, title: 'A bug', confidential: issue_confidential) }
let(:description) { nil }
let(:source_branch) { 'feature-branch' }
let(:target_branch) { 'master' }
let(:merge_request) { service.execute }
let(:compare) { double(:compare, commits: commits) }
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let(:commit_1) { double(:commit_1, sha: 'f00ba7', safe_message: "Initial commit\n\nCreate the app") }
let(:commit_2) { double(:commit_2, sha: 'f00ba7', safe_message: 'This is a bad commit message!') }
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let(:commits) { nil }
let(:service) do
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described_class.new(project, user,
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description: description,
source_branch: source_branch,
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target_branch: target_branch,
source_project: source_project,
target_project: target_project)
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end
before do
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project.add_guest(user)
end
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def stub_compare
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allow(CompareService).to receive_message_chain(:new, :execute).and_return(compare)
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allow(project).to receive(:commit).and_return(commit_1)
allow(project).to receive(:commit).and_return(commit_2)
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end
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describe '#execute' do
it 'calls the compare service with the correct arguments' do
allow_any_instance_of(described_class).to receive(:branches_valid?).and_return(true)
expect(CompareService).to receive(:new)
.with(project, Gitlab::Git::BRANCH_REF_PREFIX + source_branch)
.and_call_original
expect_any_instance_of(CompareService).to receive(:execute)
.with(project, Gitlab::Git::BRANCH_REF_PREFIX + target_branch)
.and_call_original
merge_request
end
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context 'missing source branch' do
let(:source_branch) { '' }
it 'forbids the merge request from being created' do
expect(merge_request.can_be_created).to eq(false)
end
it 'adds an error message to the merge request' do
expect(merge_request.errors).to contain_exactly('You must select source and target branch')
end
end
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context 'when target branch is missing' do
let(:target_branch) { nil }
let(:commits) { Commit.decorate([commit_1], project) }
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before do
stub_compare
end
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it 'creates compare object with target branch as default branch' do
expect(merge_request.compare).to be_present
expect(merge_request.target_branch).to eq(project.default_branch)
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end
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it 'allows the merge request to be created' do
expect(merge_request.can_be_created).to eq(true)
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end
end
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context 'same source and target branch' do
let(:source_branch) { 'master' }
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it 'forbids the merge request from being created' do
expect(merge_request.can_be_created).to eq(false)
end
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it 'adds an error message to the merge request' do
expect(merge_request.errors).to contain_exactly('You must select different branches')
end
end
context 'no commits in the diff' do
let(:commits) { [] }
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before do
stub_compare
end
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it 'allows the merge request to be created' do
expect(merge_request.can_be_created).to eq(true)
end
it 'adds a WIP prefix to the merge request title' do
expect(merge_request.title).to eq('WIP: Feature branch')
end
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end
context 'one commit in the diff' do
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let(:commits) { Commit.decorate([commit_1], project) }
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let(:commit_description) { commit_1.safe_message.split(/\n+/, 2).last }
before do
stub_compare
end
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it 'allows the merge request to be created' do
expect(merge_request.can_be_created).to eq(true)
end
it 'uses the title of the commit as the title of the merge request' do
expect(merge_request.title).to eq(commit_1.safe_message.split("\n").first)
end
it 'uses the description of the commit as the description of the merge request' do
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expect(merge_request.description).to eq(commit_description)
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end
context 'merge request already has a description set' do
let(:description) { 'Merge request description' }
it 'keeps the description from the initial params' do
expect(merge_request.description).to eq(description)
end
end
context 'commit has no description' do
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let(:commits) { Commit.decorate([commit_2], project) }
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it 'uses the title of the commit as the title of the merge request' do
expect(merge_request.title).to eq(commit_2.safe_message)
end
it 'sets the description to nil' do
expect(merge_request.description).to be_nil
end
end
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context 'when the source branch matches an issue' do
where(:issue_tracker, :source_branch, :closing_message) do
:jira | 'FOO-123-fix-issue' | 'Closes FOO-123'
:jira | 'fix-issue' | nil
:custom_issue_tracker | '123-fix-issue' | 'Closes #123'
:custom_issue_tracker | 'fix-issue' | nil
:internal | '123-fix-issue' | 'Closes #123'
:internal | 'fix-issue' | nil
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end
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with_them do
before do
if issue_tracker == :internal
issue.update!(iid: 123)
else
create(:"#{issue_tracker}_service", project: project)
end
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end
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it 'appends the closing description' do
expected_description = [commit_description, closing_message].compact.join("\n\n")
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expect(merge_request.description).to eq(expected_description)
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end
end
end
end
context 'more than one commit in the diff' do
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let(:commits) { Commit.decorate([commit_1, commit_2], project) }
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before do
stub_compare
end
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it 'allows the merge request to be created' do
expect(merge_request.can_be_created).to eq(true)
end
it 'uses the title of the branch as the merge request title' do
expect(merge_request.title).to eq('Feature branch')
end
it 'does not add a description' do
expect(merge_request.description).to be_nil
end
context 'merge request already has a description set' do
let(:description) { 'Merge request description' }
it 'keeps the description from the initial params' do
expect(merge_request.description).to eq(description)
end
end
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context 'when the source branch matches an issue' do
where(:issue_tracker, :source_branch, :title, :closing_message) do
:jira | 'FOO-123-fix-issue' | 'Resolve FOO-123 "Fix issue"' | 'Closes FOO-123'
:jira | 'fix-issue' | 'Fix issue' | nil
:custom_issue_tracker | '123-fix-issue' | 'Resolve #123 "Fix issue"' | 'Closes #123'
:custom_issue_tracker | 'fix-issue' | 'Fix issue' | nil
:internal | '123-fix-issue' | 'Resolve "A bug"' | 'Closes #123'
:internal | 'fix-issue' | 'Fix issue' | nil
:internal | '124-fix-issue' | '124 fix issue' | nil
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end
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with_them do
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before do
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if issue_tracker == :internal
issue.update!(iid: 123)
else
create(:"#{issue_tracker}_service", project: project)
end
end
it 'sets the correct title' do
expect(merge_request.title).to eq(title)
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end
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it 'sets the closing description' do
expect(merge_request.description).to eq(closing_message)
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end
end
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end
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context 'when the issue is not accessible to user' do
let(:source_branch) { "#{issue.iid}-fix-issue" }
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before do
project.team.truncate
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end
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it 'uses branch title as the merge request title' do
expect(merge_request.title).to eq("#{issue.iid} fix issue")
end
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it 'does not set a description' do
expect(merge_request.description).to be_nil
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end
end
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context 'when the issue is confidential' do
let(:source_branch) { "#{issue.iid}-fix-issue" }
let(:issue_confidential) { true }
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it 'uses the title of the branch as the merge request title' do
expect(merge_request.title).to eq("#{issue.iid} fix issue")
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end
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it 'does not set a description' do
expect(merge_request.description).to be_nil
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end
end
end
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context 'source branch does not exist' do
before do
allow(project).to receive(:commit).with(source_branch).and_return(nil)
allow(project).to receive(:commit).with(target_branch).and_return(commit_1)
end
it 'forbids the merge request from being created' do
expect(merge_request.can_be_created).to eq(false)
end
it 'adds an error message to the merge request' do
expect(merge_request.errors).to contain_exactly('Source branch "feature-branch" does not exist')
end
end
context 'target branch does not exist' do
before do
allow(project).to receive(:commit).with(source_branch).and_return(commit_1)
allow(project).to receive(:commit).with(target_branch).and_return(nil)
end
it 'forbids the merge request from being created' do
expect(merge_request.can_be_created).to eq(false)
end
it 'adds an error message to the merge request' do
expect(merge_request.errors).to contain_exactly('Target branch "master" does not exist')
end
end
context 'both source and target branches do not exist' do
before do
allow(project).to receive(:commit).and_return(nil)
end
it 'forbids the merge request from being created' do
expect(merge_request.can_be_created).to eq(false)
end
it 'adds both error messages to the merge request' do
expect(merge_request.errors).to contain_exactly(
'Source branch "feature-branch" does not exist',
'Target branch "master" does not exist'
)
end
end
context 'upstream project has disabled merge requests' do
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let(:upstream_project) { create(:project, :merge_requests_disabled) }
let(:project) { create(:project, forked_from_project: upstream_project) }
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let(:commits) { Commit.decorate([commit_1], project) }
it 'sets target project correctly' do
expect(merge_request.target_project).to eq(project)
end
end
context 'target_project is set and accessible by current_user' do
let(:target_project) { create(:project, :public, :repository)}
let(:commits) { Commit.decorate([commit_1], project) }
it 'sets target project correctly' do
expect(merge_request.target_project).to eq(target_project)
end
end
context 'target_project is set but not accessible by current_user' do
let(:target_project) { create(:project, :private, :repository)}
let(:commits) { Commit.decorate([commit_1], project) }
it 'sets target project correctly' do
expect(merge_request.target_project).to eq(project)
end
end
context 'source_project is set and accessible by current_user' do
let(:source_project) { create(:project, :public, :repository)}
let(:commits) { Commit.decorate([commit_1], project) }
it 'sets target project correctly' do
expect(merge_request.source_project).to eq(source_project)
end
end
context 'source_project is set but not accessible by current_user' do
let(:source_project) { create(:project, :private, :repository)}
let(:commits) { Commit.decorate([commit_1], project) }
it 'sets target project correctly' do
expect(merge_request.source_project).to eq(project)
end
end
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end
end