gitlab-org--gitlab-foss/spec/services/merge_requests/refresh_service_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
describe MergeRequests::RefreshService do
include ProjectForksHelper
let(:project) { create(:project, :repository) }
let(:user) { create(:user) }
let(:service) { described_class }
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describe '#execute' do
before do
@user = create(:user)
group = create(:group)
group.add_owner(@user)
@project = create(:project, :repository, namespace: group)
@fork_project = fork_project(@project, @user, repository: true)
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@merge_request = create(:merge_request,
source_project: @project,
source_branch: 'master',
target_branch: 'feature',
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target_project: @project,
auto_merge_enabled: true,
auto_merge_strategy: AutoMergeService::STRATEGY_MERGE_WHEN_PIPELINE_SUCCEEDS,
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merge_user: @user)
@another_merge_request = create(:merge_request,
source_project: @project,
source_branch: 'master',
target_branch: 'test',
target_project: @project,
auto_merge_enabled: true,
auto_merge_strategy: AutoMergeService::STRATEGY_MERGE_WHEN_PIPELINE_SUCCEEDS,
merge_user: @user)
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@fork_merge_request = create(:merge_request,
source_project: @fork_project,
source_branch: 'master',
target_branch: 'feature',
target_project: @project)
@build_failed_todo = create(:todo,
:build_failed,
user: @user,
project: @project,
target: @merge_request,
author: @user)
@fork_build_failed_todo = create(:todo,
:build_failed,
user: @user,
project: @project,
target: @merge_request,
author: @user)
@commits = @merge_request.commits
@oldrev = @commits.last.id
@newrev = @commits.first.id
end
context 'push to origin repo source branch' do
let(:refresh_service) { service.new(@project, @user) }
let(:notification_service) { spy('notification_service') }
before do
allow(refresh_service).to receive(:execute_hooks)
allow(NotificationService).to receive(:new) { notification_service }
end
it 'executes hooks with update action' do
refresh_service.execute(@oldrev, @newrev, 'refs/heads/master')
reload_mrs
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expect(refresh_service).to have_received(:execute_hooks)
.with(@merge_request, 'update', old_rev: @oldrev)
expect(notification_service).to have_received(:push_to_merge_request)
.with(@merge_request, @user, new_commits: anything, existing_commits: anything)
expect(notification_service).to have_received(:push_to_merge_request)
.with(@another_merge_request, @user, new_commits: anything, existing_commits: anything)
expect(@merge_request.notes).not_to be_empty
expect(@merge_request).to be_open
expect(@merge_request.auto_merge_enabled).to be_falsey
expect(@merge_request.diff_head_sha).to eq(@newrev)
expect(@fork_merge_request).to be_open
expect(@fork_merge_request.notes).to be_empty
expect(@build_failed_todo).to be_done
expect(@fork_build_failed_todo).to be_done
end
it 'reloads source branch MRs memoization' do
refresh_service.execute(@oldrev, @newrev, 'refs/heads/master')
expect { refresh_service.execute(@oldrev, @newrev, 'refs/heads/master') }.to change {
refresh_service.instance_variable_get("@source_merge_requests").first.merge_request_diff
}
end
it 'outdates MR suggestions' do
expect_next_instance_of(Suggestions::OutdateService) do |service|
expect(service).to receive(:execute).with(@merge_request).and_call_original
expect(service).to receive(:execute).with(@another_merge_request).and_call_original
end
refresh_service.execute(@oldrev, @newrev, 'refs/heads/master')
end
context 'when source branch ref does not exists' do
before do
DeleteBranchService.new(@project, @user).execute(@merge_request.source_branch)
end
it 'closes MRs without source branch ref' do
expect { refresh_service.execute(@oldrev, @newrev, 'refs/heads/master') }
.to change { @merge_request.reload.state }
.from('opened')
.to('closed')
expect(@fork_merge_request.reload).to be_open
end
it 'does not change the merge request diff' do
expect { refresh_service.execute(@oldrev, @newrev, 'refs/heads/master') }
.not_to change { @merge_request.reload.merge_request_diff }
end
end
end
context 'when pipeline exists for the source branch' do
let!(:pipeline) { create(:ci_empty_pipeline, ref: @merge_request.source_branch, project: @project, sha: @commits.first.sha)}
subject { service.new(@project, @user).execute(@oldrev, @newrev, 'refs/heads/master') }
it 'updates the head_pipeline_id for @merge_request' do
expect { subject }.to change { @merge_request.reload.head_pipeline_id }.from(nil).to(pipeline.id)
end
it 'does not update the head_pipeline_id for @fork_merge_request' do
expect { subject }.not_to change { @fork_merge_request.reload.head_pipeline_id }
end
end
describe 'Pipelines for merge requests' do
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before do
stub_ci_pipeline_yaml_file(YAML.dump(config))
end
subject { service.new(project, @user).execute(@oldrev, @newrev, ref) }
let(:ref) { 'refs/heads/master' }
let(:project) { @project }
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context "when .gitlab-ci.yml has merge_requests keywords" do
let(:config) do
{
test: {
stage: 'test',
script: 'echo',
only: ['merge_requests']
}
}
end
it 'create detached merge request pipeline with commits' do
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expect { subject }
.to change { @merge_request.pipelines_for_merge_request.count }.by(1)
.and change { @another_merge_request.pipelines_for_merge_request.count }.by(0)
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expect(@merge_request.has_commits?).to be_truthy
expect(@another_merge_request.has_commits?).to be_falsy
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end
it 'does not create detached merge request pipeline for forked project' do
expect { subject }
.not_to change { @fork_merge_request.pipelines_for_merge_request.count }
end
it 'create detached merge request pipeline for non-fork merge request' do
subject
expect(@merge_request.pipelines_for_merge_request.first)
.to be_detached_merge_request_pipeline
end
context 'when service is hooked by target branch' do
let(:ref) { 'refs/heads/feature' }
it 'does not create detached merge request pipeline' do
expect { subject }
.not_to change { @merge_request.pipelines_for_merge_request.count }
end
end
context 'when service runs on forked project' do
let(:project) { @fork_project }
it 'creates legacy detached merge request pipeline for fork merge request' do
expect { subject }
.to change { @fork_merge_request.pipelines_for_merge_request.count }.by(1)
expect(@fork_merge_request.pipelines_for_merge_request.first)
.to be_legacy_detached_merge_request_pipeline
end
end
context 'when ci_use_merge_request_ref feature flag is false' do
before do
stub_feature_flags(ci_use_merge_request_ref: false)
end
it 'create legacy detached merge request pipeline for non-fork merge request' do
subject
expect(@merge_request.pipelines_for_merge_request.first)
.to be_legacy_detached_merge_request_pipeline
end
end
context "when branch pipeline was created before a detaced merge request pipeline has been created" do
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before do
create(:ci_pipeline, project: @merge_request.source_project,
sha: @merge_request.diff_head_sha,
ref: @merge_request.source_branch,
tag: false)
subject
end
it 'sets the latest detached merge request pipeline as a head pipeline' do
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@merge_request.reload
expect(@merge_request.actual_head_pipeline).to be_merge_request_event
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end
it 'returns pipelines in correct order' do
@merge_request.reload
expect(@merge_request.all_pipelines.first).to be_merge_request_event
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expect(@merge_request.all_pipelines.second).to be_push
end
end
context "when MergeRequestUpdateWorker is retried by an exception" do
it 'does not re-create a duplicate detached merge request pipeline' do
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expect do
service.new(@project, @user).execute(@oldrev, @newrev, 'refs/heads/master')
end.to change { @merge_request.pipelines_for_merge_request.count }.by(1)
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expect do
service.new(@project, @user).execute(@oldrev, @newrev, 'refs/heads/master')
end.not_to change { @merge_request.pipelines_for_merge_request.count }
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end
end
end
context "when .gitlab-ci.yml does not have merge_requests keywords" do
let(:config) do
{
test: {
stage: 'test',
script: 'echo'
}
}
end
it 'does not create a detached merge request pipeline' do
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expect { subject }
.not_to change { @merge_request.pipelines_for_merge_request.count }
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end
end
end
context 'push to origin repo source branch' do
let(:refresh_service) { service.new(@project, @user) }
let(:notification_service) { spy('notification_service') }
before do
allow(refresh_service).to receive(:execute_hooks)
allow(NotificationService).to receive(:new) { notification_service }
refresh_service.execute(@oldrev, @newrev, 'refs/heads/master')
reload_mrs
end
it 'executes hooks with update action' do
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expect(refresh_service).to have_received(:execute_hooks)
.with(@merge_request, 'update', old_rev: @oldrev)
expect(notification_service).to have_received(:push_to_merge_request)
.with(@merge_request, @user, new_commits: anything, existing_commits: anything)
expect(notification_service).to have_received(:push_to_merge_request)
.with(@another_merge_request, @user, new_commits: anything, existing_commits: anything)
expect(@merge_request.notes).not_to be_empty
expect(@merge_request).to be_open
expect(@merge_request.auto_merge_enabled).to be_falsey
expect(@merge_request.diff_head_sha).to eq(@newrev)
expect(@fork_merge_request).to be_open
expect(@fork_merge_request.notes).to be_empty
expect(@build_failed_todo).to be_done
expect(@fork_build_failed_todo).to be_done
end
end
context 'push to origin repo target branch' do
context 'when all MRs to the target branch had diffs' do
before do
service.new(@project, @user).execute(@oldrev, @newrev, 'refs/heads/feature')
reload_mrs
end
it 'updates the merge state' do
expect(@merge_request.notes.last.note).to include('merged')
expect(@merge_request).to be_merged
expect(@fork_merge_request).to be_merged
expect(@fork_merge_request.notes.last.note).to include('merged')
expect(@build_failed_todo).to be_done
expect(@fork_build_failed_todo).to be_done
end
end
context 'when an MR to be closed was empty already' do
let!(:empty_fork_merge_request) do
create(:merge_request,
source_project: @fork_project,
source_branch: 'master',
target_branch: 'master',
target_project: @project)
end
before do
# This spec already has a fake push, so pretend that we were targeting
# feature all along.
empty_fork_merge_request.update_columns(target_branch: 'feature')
service.new(@project, @user).execute(@oldrev, @newrev, 'refs/heads/feature')
reload_mrs
empty_fork_merge_request.reload
end
it 'only updates the non-empty MRs' do
expect(@merge_request).to be_merged
expect(@merge_request.notes.last.note).to include('merged')
expect(@fork_merge_request).to be_merged
expect(@fork_merge_request.notes.last.note).to include('merged')
expect(empty_fork_merge_request).to be_open
expect(empty_fork_merge_request.merge_request_diff.state).to eq('empty')
expect(empty_fork_merge_request.notes).to be_empty
end
end
end
context 'manual merge of source branch' do
before do
# Merge master -> feature branch
@project.repository.merge(@user, @merge_request.diff_head_sha, @merge_request, 'Test message')
commit = @project.repository.commit('feature')
service.new(@project, @user).execute(@oldrev, commit.id, 'refs/heads/feature')
reload_mrs
end
it 'updates the merge state' do
expect(@merge_request.notes.last.note).to include('merged')
expect(@merge_request).to be_merged
expect(@merge_request.diffs.size).to be > 0
expect(@fork_merge_request).to be_merged
expect(@fork_merge_request.notes.last.note).to include('merged')
expect(@build_failed_todo).to be_done
expect(@fork_build_failed_todo).to be_done
end
end
context 'push to fork repo source branch' do
let(:refresh_service) { service.new(@fork_project, @user) }
def refresh
allow(refresh_service).to receive(:execute_hooks)
refresh_service.execute(@oldrev, @newrev, 'refs/heads/master')
reload_mrs
end
context 'open fork merge request' do
it 'executes hooks with update action' do
refresh
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expect(refresh_service).to have_received(:execute_hooks)
.with(@fork_merge_request, 'update', old_rev: @oldrev)
expect(@merge_request.notes).to be_empty
expect(@merge_request).to be_open
expect(@fork_merge_request.notes.last.note).to include('added 28 commits')
expect(@fork_merge_request).to be_open
expect(@build_failed_todo).to be_pending
expect(@fork_build_failed_todo).to be_pending
end
it 'outdates opened forked MR suggestions' do
expect_next_instance_of(Suggestions::OutdateService) do |service|
expect(service).to receive(:execute).with(@fork_merge_request).and_call_original
end
refresh
end
end
context 'closed fork merge request' do
before do
@fork_merge_request.close!
end
it 'do not execute hooks with update action' do
refresh
expect(refresh_service).not_to have_received(:execute_hooks)
end
it 'updates merge request to closed state' do
refresh
expect(@merge_request.notes).to be_empty
expect(@merge_request).to be_open
expect(@fork_merge_request.notes).to be_empty
expect(@fork_merge_request).to be_closed
expect(@build_failed_todo).to be_pending
expect(@fork_build_failed_todo).to be_pending
end
end
end
context 'push to fork repo target branch' do
describe 'changes to merge requests' do
before do
service.new(@fork_project, @user).execute(@oldrev, @newrev, 'refs/heads/feature')
reload_mrs
end
it 'updates the merge request state' do
expect(@merge_request.notes).to be_empty
expect(@merge_request).to be_open
expect(@fork_merge_request.notes).to be_empty
expect(@fork_merge_request).to be_open
expect(@build_failed_todo).to be_pending
expect(@fork_build_failed_todo).to be_pending
end
end
describe 'merge request diff' do
it 'does not reload the diff of the merge request made from fork' do
expect do
service.new(@fork_project, @user).execute(@oldrev, @newrev, 'refs/heads/feature')
end.not_to change { @fork_merge_request.reload.merge_request_diff }
end
end
end
context 'forked projects with the same source branch name as target branch' do
let!(:first_commit) do
@fork_project.repository.create_file(@user, 'test1.txt', 'Test data',
message: 'Test commit',
branch_name: 'master')
end
let!(:second_commit) do
@fork_project.repository.create_file(@user, 'test2.txt', 'More test data',
message: 'Second test commit',
branch_name: 'master')
end
let!(:forked_master_mr) do
create(:merge_request,
source_project: @fork_project,
source_branch: 'master',
target_branch: 'master',
target_project: @project)
end
let(:force_push_commit) { @project.commit('feature').id }
it 'reloads a new diff for a push to the forked project' do
expect do
service.new(@fork_project, @user).execute(@oldrev, first_commit, 'refs/heads/master')
reload_mrs
end.to change { forked_master_mr.merge_request_diffs.count }.by(1)
end
it 'reloads a new diff for a force push to the source branch' do
expect do
service.new(@fork_project, @user).execute(@oldrev, force_push_commit, 'refs/heads/master')
reload_mrs
end.to change { forked_master_mr.merge_request_diffs.count }.by(1)
end
it 'reloads a new diff for a force push to the target branch' do
expect do
service.new(@project, @user).execute(@oldrev, force_push_commit, 'refs/heads/master')
reload_mrs
end.to change { forked_master_mr.merge_request_diffs.count }.by(1)
end
it 'reloads a new diff for a push to the target project that contains a commit in the MR' do
expect do
service.new(@project, @user).execute(@oldrev, first_commit, 'refs/heads/master')
reload_mrs
end.to change { forked_master_mr.merge_request_diffs.count }.by(1)
end
it 'does not increase the diff count for a new push to target branch' do
new_commit = @project.repository.create_file(@user, 'new-file.txt', 'A new file',
message: 'This is a test',
branch_name: 'master')
expect do
service.new(@project, @user).execute(@newrev, new_commit, 'refs/heads/master')
reload_mrs
end.not_to change { forked_master_mr.merge_request_diffs.count }
end
end
context 'push to origin repo target branch after fork project was removed' do
before do
@fork_project.destroy
service.new(@project, @user).execute(@oldrev, @newrev, 'refs/heads/feature')
reload_mrs
end
it 'updates the merge request state' do
expect(@merge_request.notes.last.note).to include('merged')
expect(@merge_request).to be_merged
expect(@fork_merge_request).to be_open
expect(@fork_merge_request.notes).to be_empty
expect(@build_failed_todo).to be_done
expect(@fork_build_failed_todo).to be_done
end
end
context 'push new branch that exists in a merge request' do
let(:refresh_service) { service.new(@fork_project, @user) }
it 'refreshes the merge request' do
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expect(refresh_service).to receive(:execute_hooks)
.with(@fork_merge_request, 'update', old_rev: Gitlab::Git::BLANK_SHA)
allow_any_instance_of(Repository).to receive(:merge_base).and_return(@oldrev)
refresh_service.execute(Gitlab::Git::BLANK_SHA, @newrev, 'refs/heads/master')
reload_mrs
expect(@merge_request.notes).to be_empty
expect(@merge_request).to be_open
notes = @fork_merge_request.notes.reorder(:created_at).map(&:note)
expect(notes[0]).to include('restored source branch `master`')
expect(notes[1]).to include('added 28 commits')
expect(@fork_merge_request).to be_open
end
end
context 'merge request metrics' do
let(:issue) { create :issue, project: @project }
let(:commit_author) { create :user }
let(:commit) { project.commit }
before do
project.add_developer(commit_author)
project.add_developer(user)
allow(commit).to receive_messages(
safe_message: "Closes #{issue.to_reference}",
references: [issue],
author_name: commit_author.name,
author_email: commit_author.email,
committed_date: Time.now
)
allow_any_instance_of(MergeRequest).to receive(:commits).and_return(CommitCollection.new(@project, [commit], 'feature'))
end
context 'when the merge request is sourced from the same project' do
it 'creates a `MergeRequestsClosingIssues` record for each issue closed by a commit' do
merge_request = create(:merge_request, target_branch: 'master', source_branch: 'feature', source_project: @project)
refresh_service = service.new(@project, @user)
allow(refresh_service).to receive(:execute_hooks)
refresh_service.execute(@oldrev, @newrev, 'refs/heads/feature')
issue_ids = MergeRequestsClosingIssues.where(merge_request: merge_request).pluck(:issue_id)
expect(issue_ids).to eq([issue.id])
end
end
context 'when the merge request is sourced from a different project' do
it 'creates a `MergeRequestsClosingIssues` record for each issue closed by a commit' do
forked_project = fork_project(@project, @user, repository: true)
merge_request = create(:merge_request,
target_branch: 'master',
source_branch: 'feature',
target_project: @project,
source_project: forked_project)
refresh_service = service.new(@project, @user)
allow(refresh_service).to receive(:execute_hooks)
refresh_service.execute(@oldrev, @newrev, 'refs/heads/feature')
issue_ids = MergeRequestsClosingIssues.where(merge_request: merge_request).pluck(:issue_id)
expect(issue_ids).to eq([issue.id])
end
end
end
context 'marking the merge request as work in progress' do
let(:refresh_service) { service.new(@project, @user) }
before do
allow(refresh_service).to receive(:execute_hooks)
end
it 'marks the merge request as work in progress from fixup commits' do
fixup_merge_request = create(:merge_request,
source_project: @project,
source_branch: 'wip',
target_branch: 'master',
target_project: @project)
commits = fixup_merge_request.commits
oldrev = commits.last.id
newrev = commits.first.id
refresh_service.execute(oldrev, newrev, 'refs/heads/wip')
fixup_merge_request.reload
expect(fixup_merge_request.work_in_progress?).to eq(true)
expect(fixup_merge_request.notes.last.note).to match(
/marked as a \*\*Work In Progress\*\* from #{Commit.reference_pattern}/
)
end
it 'references the commit that caused the Work in Progress status' do
wip_merge_request = create(:merge_request,
source_project: @project,
source_branch: 'wip',
target_branch: 'master',
target_project: @project)
commits = wip_merge_request.commits
oldrev = commits.last.id
newrev = commits.first.id
wip_commit = wip_merge_request.commits.find(&:work_in_progress?)
refresh_service.execute(oldrev, newrev, 'refs/heads/wip')
expect(wip_merge_request.reload.notes.last.note).to eq(
"marked as a **Work In Progress** from #{wip_commit.id}"
)
end
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it 'does not mark as WIP based on commits that do not belong to an MR' do
allow(refresh_service).to receive(:find_new_commits)
refresh_service.instance_variable_set("@commits", [
double(
id: 'aaaaaaa',
sha: 'aaaaaaa',
short_id: 'aaaaaaa',
title: 'Fix issue',
work_in_progress?: false
),
double(
id: 'bbbbbbb',
sha: 'bbbbbbbb',
short_id: 'bbbbbbb',
title: 'fixup! Fix issue',
work_in_progress?: true,
to_reference: 'bbbbbbb'
)
])
refresh_service.execute(@oldrev, @newrev, 'refs/heads/master')
reload_mrs
expect(@merge_request.work_in_progress?).to be_falsey
end
end
def reload_mrs
@merge_request.reload
@fork_merge_request.reload
@build_failed_todo.reload
@fork_build_failed_todo.reload
end
end
describe 'updating merge_commit' do
let(:service) { described_class.new(project, user) }
let(:user) { create(:user) }
let(:project) { create(:project, :repository) }
let(:oldrev) { TestEnv::BRANCH_SHA['merge-commit-analyze-before'] }
let(:newrev) { TestEnv::BRANCH_SHA['merge-commit-analyze-after'] } # Pretend branch is now updated
let!(:merge_request) do
create(
:merge_request,
source_project: project,
source_branch: 'merge-commit-analyze-after',
target_branch: 'merge-commit-analyze-before',
target_project: project,
merge_user: user
)
end
let!(:merge_request_side_branch) do
create(
:merge_request,
source_project: project,
source_branch: 'merge-commit-analyze-side-branch',
target_branch: 'merge-commit-analyze-before',
target_project: project,
merge_user: user
)
end
subject { service.execute(oldrev, newrev, 'refs/heads/merge-commit-analyze-before') }
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context 'feature enabled' do
before do
stub_feature_flags(branch_push_merge_commit_analyze: true)
end
it "updates merge requests' merge_commits" do
expect(Gitlab::BranchPushMergeCommitAnalyzer).to receive(:new).and_wrap_original do |original_method, commits|
expect(commits.map(&:id)).to eq(%w{646ece5cfed840eca0a4feb21bcd6a81bb19bda3 29284d9bcc350bcae005872d0be6edd016e2efb5 5f82584f0a907f3b30cfce5bb8df371454a90051 8a994512e8c8f0dfcf22bb16df6e876be7a61036 689600b91aabec706e657e38ea706ece1ee8268f db46a1c5a5e474aa169b6cdb7a522d891bc4c5f9})
original_method.call(commits)
end
subject
merge_request.reload
merge_request_side_branch.reload
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expect(merge_request.merge_commit.id).to eq('646ece5cfed840eca0a4feb21bcd6a81bb19bda3')
expect(merge_request_side_branch.merge_commit.id).to eq('29284d9bcc350bcae005872d0be6edd016e2efb5')
end
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end
context 'when feature is disabled' do
before do
stub_feature_flags(branch_push_merge_commit_analyze: false)
end
it "does not trigger analysis" do
expect(Gitlab::BranchPushMergeCommitAnalyzer).not_to receive(:new)
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subject
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merge_request.reload
merge_request_side_branch.reload
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expect(merge_request.merge_commit).to eq(nil)
expect(merge_request_side_branch.merge_commit).to eq(nil)
end
end
end
end