require 'spec_helper' describe MergeRequests::PostMergeService do let(:user) { create(:user) } let(:merge_request) { create(:merge_request, assignee: user) } let(:project) { merge_request.project } before do project.add_maintainer(user) end describe '#execute' do it_behaves_like 'cache counters invalidator' it 'refreshes the number of open merge requests for a valid MR', :use_clean_rails_memory_store_caching do # Cache the counter before the MR changed state. project.open_merge_requests_count merge_request.update!(state: 'merged') service = described_class.new(project, user, {}) expect { service.execute(merge_request) } .to change { project.open_merge_requests_count }.from(1).to(0) end it 'updates metrics' do metrics = merge_request.metrics metrics_service = double(MergeRequestMetricsService) allow(MergeRequestMetricsService) .to receive(:new) .with(metrics) .and_return(metrics_service) expect(metrics_service).to receive(:merge) described_class.new(project, user, {}).execute(merge_request) end it 'deletes non-latest diffs' do diff_removal_service = instance_double(MergeRequests::DeleteNonLatestDiffsService, execute: nil) expect(MergeRequests::DeleteNonLatestDiffsService) .to receive(:new).with(merge_request) .and_return(diff_removal_service) described_class.new(project, user, {}).execute(merge_request) expect(diff_removal_service).to have_received(:execute) end it 'marks MR as merged regardless of errors when closing issues' do merge_request.update(target_branch: 'foo') allow(project).to receive(:default_branch).and_return('foo') issue = create(:issue, project: project) allow(merge_request).to receive(:visible_closing_issues_for).and_return([issue]) allow_any_instance_of(Issues::CloseService).to receive(:execute).with(issue, commit: merge_request).and_raise expect { described_class.new(project, user, {}).execute(merge_request) }.to raise_error expect(merge_request.reload).to be_merged end end end