debian-mirror-gitlab/spec/services/suggestions/apply_service_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
describe Suggestions::ApplyService do
include ProjectForksHelper
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def build_position(args = {})
default_args = { old_path: "files/ruby/popen.rb",
new_path: "files/ruby/popen.rb",
old_line: nil,
new_line: 9,
diff_refs: merge_request.diff_refs }
Gitlab::Diff::Position.new(default_args.merge(args))
end
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shared_examples 'successfully creates commit and updates suggestion' do
def apply(suggestion)
result = subject.execute(suggestion)
expect(result[:status]).to eq(:success)
end
it 'updates the file with the new contents' do
apply(suggestion)
blob = project.repository.blob_at_branch(merge_request.source_branch,
position.new_path)
expect(blob.data).to eq(expected_content)
end
it 'updates suggestion applied and commit_id columns' do
expect { apply(suggestion) }
.to change(suggestion, :applied)
.from(false).to(true)
.and change(suggestion, :commit_id)
.from(nil)
end
it 'created commit has users email and name' do
apply(suggestion)
commit = project.repository.commit
expect(user.commit_email).not_to eq(user.email)
expect(commit.author_email).to eq(user.commit_email)
expect(commit.committer_email).to eq(user.commit_email)
expect(commit.author_name).to eq(user.name)
end
end
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let(:project) { create(:project, :repository) }
let(:user) { create(:user, :commit_email) }
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let(:position) { build_position }
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let(:diff_note) do
create(:diff_note_on_merge_request, noteable: merge_request, position: position, project: project)
end
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let(:suggestion) do
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create(:suggestion, :content_from_repo, note: diff_note,
to_content: " raise RuntimeError, 'Explosion'\n # explosion?\n")
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end
subject { described_class.new(user) }
context 'patch is appliable' do
let(:expected_content) do
<<-CONTENT.strip_heredoc
require 'fileutils'
require 'open3'
module Popen
extend self
def popen(cmd, path=nil)
unless cmd.is_a?(Array)
raise RuntimeError, 'Explosion'
# explosion?
end
path ||= Dir.pwd
vars = {
"PWD" => path
}
options = {
chdir: path
}
unless File.directory?(path)
FileUtils.mkdir_p(path)
end
@cmd_output = ""
@cmd_status = 0
Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
@cmd_output << stdout.read
@cmd_output << stderr.read
@cmd_status = wait_thr.value.exitstatus
end
return @cmd_output, @cmd_status
end
end
CONTENT
end
context 'non-fork project' do
let(:merge_request) do
create(:merge_request, source_project: project,
target_project: project)
end
before do
project.add_maintainer(user)
end
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it_behaves_like 'successfully creates commit and updates suggestion'
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context 'when it fails to apply because the file was changed' do
it 'returns error message' do
service = instance_double(Files::UpdateService)
expect(Files::UpdateService).to receive(:new)
.and_return(service)
allow(service).to receive(:execute)
.and_raise(Files::UpdateService::FileChangedError)
result = subject.execute(suggestion)
expect(result).to eq(message: 'The file has been changed', status: :error)
end
end
context 'when HEAD from position is different from source branch HEAD on repo' do
it 'returns error message' do
allow(suggestion).to receive(:appliable?) { true }
allow(suggestion.position).to receive(:head_sha) { 'old-sha' }
allow(suggestion.noteable).to receive(:source_branch_sha) { 'new-sha' }
result = subject.execute(suggestion)
expect(result).to eq(message: 'The file has been changed', status: :error)
end
end
context 'multiple suggestions applied' do
let(:expected_content) do
<<-CONTENT.strip_heredoc
require 'fileutils'
require 'open3'
module Popen
extend self
def popen(cmd, path=nil)
unless cmd.is_a?(Array)
# v1 change
end
path ||= Dir.pwd
# v1 change
vars = {
"PWD" => path
}
options = {
chdir: path
}
# v2 change
unless File.directory?(path)
FileUtils.mkdir_p(path)
end
@cmd_output = ""
# v2 change
Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
@cmd_output << stdout.read
@cmd_output << stderr.read
@cmd_status = wait_thr.value.exitstatus
end
return @cmd_output, @cmd_status
end
end
CONTENT
end
def create_suggestion(diff, old_line: nil, new_line: nil, from_content:, to_content:, path:)
position = Gitlab::Diff::Position.new(old_path: path,
new_path: path,
old_line: old_line,
new_line: new_line,
diff_refs: diff.diff_refs)
suggestion_note = create(:diff_note_on_merge_request, noteable: merge_request,
original_position: position,
position: position,
project: project)
create(:suggestion, note: suggestion_note,
from_content: from_content,
to_content: to_content)
end
def apply_suggestion(suggestion)
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suggestion.reload
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merge_request.reload
merge_request.clear_memoized_shas
result = subject.execute(suggestion)
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expect(result[:status]).to eq(:success)
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refresh = MergeRequests::RefreshService.new(project, user)
refresh.execute(merge_request.diff_head_sha,
suggestion.commit_id,
merge_request.source_branch_ref)
result
end
def fetch_raw_diff(suggestion)
project.reload.commit(suggestion.commit_id).diffs.diff_files.first.diff.diff
end
it 'applies multiple suggestions in subsequent versions correctly' do
diff = merge_request.merge_request_diff
path = 'files/ruby/popen.rb'
suggestion_1_changes = { old_line: nil,
new_line: 13,
from_content: "\n",
to_content: "# v1 change\n",
path: path }
suggestion_2_changes = { old_line: 24,
new_line: 31,
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from_content: " @cmd_output << stderr.read\n",
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to_content: "# v2 change\n",
path: path }
suggestion_1 = create_suggestion(diff, suggestion_1_changes)
suggestion_2 = create_suggestion(diff, suggestion_2_changes)
apply_suggestion(suggestion_1)
suggestion_1_diff = fetch_raw_diff(suggestion_1)
# rubocop: disable Layout/TrailingWhitespace
expected_suggestion_1_diff = <<-CONTENT.strip_heredoc
@@ -10,7 +10,7 @@ module Popen
end
path ||= Dir.pwd
-
+# v1 change
vars = {
"PWD" => path
}
CONTENT
# rubocop: enable Layout/TrailingWhitespace
apply_suggestion(suggestion_2)
suggestion_2_diff = fetch_raw_diff(suggestion_2)
# rubocop: disable Layout/TrailingWhitespace
expected_suggestion_2_diff = <<-CONTENT.strip_heredoc
@@ -28,7 +28,7 @@ module Popen
Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
@cmd_output << stdout.read
- @cmd_output << stderr.read
+# v2 change
@cmd_status = wait_thr.value.exitstatus
end
CONTENT
# rubocop: enable Layout/TrailingWhitespace
expect(suggestion_1_diff.strip).to eq(expected_suggestion_1_diff.strip)
expect(suggestion_2_diff.strip).to eq(expected_suggestion_2_diff.strip)
end
end
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context 'multi-line suggestion' do
let(:expected_content) do
<<~CONTENT
require 'fileutils'
require 'open3'
module Popen
extend self
# multi
# line
vars = {
"PWD" => path
}
options = {
chdir: path
}
unless File.directory?(path)
FileUtils.mkdir_p(path)
end
@cmd_output = ""
@cmd_status = 0
Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
@cmd_output << stdout.read
@cmd_output << stderr.read
@cmd_status = wait_thr.value.exitstatus
end
return @cmd_output, @cmd_status
end
end
CONTENT
end
let(:suggestion) do
create(:suggestion, :content_from_repo, note: diff_note,
lines_above: 2,
lines_below: 3,
to_content: "# multi\n# line\n")
end
it_behaves_like 'successfully creates commit and updates suggestion'
end
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context 'remove an empty line suggestion' do
let(:expected_content) do
<<~CONTENT
require 'fileutils'
require 'open3'
module Popen
extend self
def popen(cmd, path=nil)
unless cmd.is_a?(Array)
raise RuntimeError, "System commands must be given as an array of strings"
end
path ||= Dir.pwd
vars = {
"PWD" => path
}
options = {
chdir: path
}
unless File.directory?(path)
FileUtils.mkdir_p(path)
end
@cmd_output = ""
@cmd_status = 0
Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
@cmd_output << stdout.read
@cmd_output << stderr.read
@cmd_status = wait_thr.value.exitstatus
end
return @cmd_output, @cmd_status
end
end
CONTENT
end
let(:position) { build_position(new_line: 13) }
let(:suggestion) do
create(:suggestion, :content_from_repo, note: diff_note, to_content: "")
end
it_behaves_like 'successfully creates commit and updates suggestion'
end
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end
context 'fork-project' do
let(:project) { create(:project, :public, :repository) }
let(:forked_project) do
fork_project_with_submodules(project, user, repository: project.repository)
end
let(:merge_request) do
create(:merge_request,
source_branch: 'conflict-resolvable-fork', source_project: forked_project,
target_branch: 'conflict-start', target_project: project)
end
let!(:diff_note) do
create(:diff_note_on_merge_request, noteable: merge_request, position: position, project: project)
end
before do
project.add_maintainer(user)
end
it 'updates file in the source project' do
expect(Files::UpdateService).to receive(:new)
.with(merge_request.source_project, user, anything)
.and_call_original
subject.execute(suggestion)
end
end
end
context 'no permission' do
let(:merge_request) do
create(:merge_request, source_project: project,
target_project: project)
end
let(:diff_note) do
create(:diff_note_on_merge_request, noteable: merge_request,
position: position,
project: project)
end
context 'user cannot write in project repo' do
before do
project.add_reporter(user)
end
it 'returns error' do
result = subject.execute(suggestion)
expect(result).to eq(message: "You are not allowed to push into this branch",
status: :error)
end
end
end
context 'patch is not appliable' do
let(:merge_request) do
create(:merge_request, source_project: project,
target_project: project)
end
let(:diff_note) do
create(:diff_note_on_merge_request, noteable: merge_request,
position: position,
project: project)
end
before do
project.add_maintainer(user)
end
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context 'diff file was not found' do
it 'returns error message' do
expect(suggestion.note).to receive(:latest_diff_file) { nil }
result = subject.execute(suggestion)
expect(result).to eq(message: 'Suggestion is not appliable',
status: :error)
end
end
context 'suggestion is eligible to be outdated' do
it 'returns error message' do
expect(suggestion).to receive(:outdated?) { true }
result = subject.execute(suggestion)
expect(result).to eq(message: 'Suggestion is not appliable',
status: :error)
end
end
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context 'suggestion was already applied' do
it 'returns success status' do
result = subject.execute(suggestion)
expect(result[:status]).to eq(:success)
end
end
context 'note is outdated' do
before do
allow(diff_note).to receive(:active?) { false }
end
it 'returns error message' do
result = subject.execute(suggestion)
expect(result).to eq(message: 'Suggestion is not appliable',
status: :error)
end
end
context 'suggestion was already applied' do
before do
suggestion.update!(applied: true, commit_id: 'sha')
end
it 'returns error message' do
result = subject.execute(suggestion)
expect(result).to eq(message: 'Suggestion is not appliable',
status: :error)
end
end
end
end