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# frozen_string_literal: true
RSpec.shared_context 'for auto_merge strategy context' do
let_it_be(:user) { create(:user) }
let_it_be(:project) { create(:project, :repository) }
let(:mr_merge_if_green_enabled) do
create(:merge_request,
merge_when_pipeline_succeeds: true,
merge_user: user,
source_branch: 'master', target_branch: 'feature',
source_project: project, target_project: project,
state: 'opened')
end
let(:pipeline) { create(:ci_pipeline, ref: mr_merge_if_green_enabled.source_branch, project: project) }
let(:service) { described_class.new(project, user, commit_message: 'Awesome message') }
before_all do
project.add_maintainer(user)
end
before do
allow(MergeWorker).to receive(:with_status).and_return(MergeWorker)
end
end
RSpec.shared_examples 'auto_merge service #execute' do
let(:merge_request) do
create(:merge_request, target_project: project, source_project: project,
source_branch: 'feature', target_branch: 'master')
end
context 'when first time enabling' do
before do
allow(merge_request)
.to receive_messages(head_pipeline: pipeline, actual_head_pipeline: pipeline)
allow(MailScheduler::NotificationServiceWorker).to receive(:perform_async)
service.execute(merge_request)
end
it 'sets the params, merge_user, and flag' do
expect(merge_request).to be_valid
expect(merge_request.merge_when_pipeline_succeeds).to be_truthy
expect(merge_request.merge_params).to include 'commit_message' => 'Awesome message'
expect(merge_request.merge_user).to be user
expect(merge_request.auto_merge_strategy).to eq auto_merge_strategy
end
it 'schedules a notification' do
expect(MailScheduler::NotificationServiceWorker).to have_received(:perform_async).with(
'merge_when_pipeline_succeeds', merge_request, user).once
end
it 'creates a system note' do
pipeline = build(:ci_pipeline)
allow(merge_request).to receive(:actual_head_pipeline) { pipeline }
note = merge_request.notes.last
expect(note.note).to match expected_note
end
end
context 'when already approved' do
let(:service) { described_class.new(project, user, should_remove_source_branch: true) }
let(:build) { create(:ci_build, ref: mr_merge_if_green_enabled.source_branch) }
before do
allow(mr_merge_if_green_enabled)
.to receive_messages(head_pipeline: pipeline, actual_head_pipeline: pipeline)
allow(mr_merge_if_green_enabled).to receive(:mergeable?)
.and_return(true)
allow(pipeline).to receive(:success?).and_return(true)
end
it 'updates the merge params' do
expect(SystemNoteService).not_to receive(:merge_when_pipeline_succeeds)
expect(MailScheduler::NotificationServiceWorker).not_to receive(:perform_async).with(
'merge_when_pipeline_succeeds', any_args)
service.execute(mr_merge_if_green_enabled)
expect(mr_merge_if_green_enabled.merge_params).to have_key('should_remove_source_branch')
end
end
end
RSpec.shared_examples 'auto_merge service #process' do
let(:merge_request_ref) { mr_merge_if_green_enabled.source_branch }
let(:merge_request_head) do
project.commit(mr_merge_if_green_enabled.source_branch).id
end
context 'when triggered by pipeline with valid ref and sha' do
let(:triggering_pipeline) do
create(:ci_pipeline, project: project, ref: merge_request_ref,
sha: merge_request_head, status: 'success',
head_pipeline_of: mr_merge_if_green_enabled)
end
it "merges all merge requests with merge when the pipeline succeeds enabled" do
allow(mr_merge_if_green_enabled)
.to receive_messages(head_pipeline: triggering_pipeline, actual_head_pipeline: triggering_pipeline)
expect(MergeWorker).to receive(:perform_async)
service.process(mr_merge_if_green_enabled)
end
end
context 'when triggered by an old pipeline' do
let(:old_pipeline) do
create(:ci_pipeline, project: project, ref: merge_request_ref,
sha: '1234abcdef', status: 'success')
end
it 'does not merge request' do
expect(MergeWorker).not_to receive(:perform_async)
service.process(mr_merge_if_green_enabled)
end
end
context 'when triggered by pipeline from a different branch' do
let(:unrelated_pipeline) do
create(:ci_pipeline, project: project, ref: 'feature',
sha: merge_request_head, status: 'success')
end
it 'does not merge request' do
expect(MergeWorker).not_to receive(:perform_async)
service.process(mr_merge_if_green_enabled)
end
end
context 'when pipeline is merge request pipeline' do
let(:pipeline) do
create(:ci_pipeline, :success,
source: :merge_request_event,
ref: mr_merge_if_green_enabled.merge_ref_path,
merge_request: mr_merge_if_green_enabled,
merge_requests_as_head_pipeline: [mr_merge_if_green_enabled])
end
it 'merges the associated merge request' do
allow(mr_merge_if_green_enabled)
.to receive_messages(head_pipeline: pipeline, actual_head_pipeline: pipeline)
expect(MergeWorker).to receive(:perform_async)
service.process(mr_merge_if_green_enabled)
end
end
end
RSpec.shared_examples 'auto_merge service #cancel' do
before do
service.cancel(mr_merge_if_green_enabled)
end
it "resets all the pipeline succeeds params" do
expect(mr_merge_if_green_enabled.merge_when_pipeline_succeeds).to be_falsey
expect(mr_merge_if_green_enabled.merge_params).to eq({})
expect(mr_merge_if_green_enabled.merge_user).to be nil
end
it 'posts a system note' do
note = mr_merge_if_green_enabled.notes.last
expect(note.note).to include 'canceled the automatic merge'
end
end
RSpec.shared_examples 'auto_merge service #abort' do
before do
service.abort(mr_merge_if_green_enabled, 'an error')
end
it 'posts a system note' do
note = mr_merge_if_green_enabled.notes.last
expect(note.note).to include 'aborted the automatic merge'
end
end
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