154 lines
4.3 KiB
Ruby
154 lines
4.3 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe MergeRequests::RetargetChainService do
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include ProjectForksHelper
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let_it_be(:user) { create(:user) }
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let_it_be(:merge_request, reload: true) { create(:merge_request, assignees: [user]) }
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let_it_be(:project) { merge_request.project }
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subject { described_class.new(project, user).execute(merge_request) }
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before do
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project.add_maintainer(user)
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end
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describe '#execute' do
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context 'when there is another MR' do
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let!(:another_merge_request) do
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create(:merge_request,
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source_project: source_project,
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source_branch: 'my-awesome-feature',
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target_project: merge_request.source_project,
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target_branch: merge_request.source_branch
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)
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end
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shared_examples 'does not retarget merge request' do
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it 'another merge request is unchanged' do
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expect { subject }.not_to change { another_merge_request.reload.target_branch }
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.from(merge_request.source_branch)
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end
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end
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shared_examples 'retargets merge request' do
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it 'another merge request is retargeted' do
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expect(SystemNoteService)
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.to receive(:change_branch).once
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.with(another_merge_request, another_merge_request.project, user,
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'target', 'delete',
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merge_request.source_branch, merge_request.target_branch)
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expect { subject }.to change { another_merge_request.reload.target_branch }
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.from(merge_request.source_branch)
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.to(merge_request.target_branch)
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end
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context 'when FF retarget_merge_requests is disabled' do
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before do
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stub_feature_flags(retarget_merge_requests: false)
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end
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include_examples 'does not retarget merge request'
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end
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end
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context 'in the same project' do
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let(:source_project) { project }
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context 'and current is merged' do
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before do
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merge_request.mark_as_merged
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end
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it_behaves_like 'retargets merge request'
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end
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context 'and current is closed' do
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before do
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merge_request.close
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end
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it_behaves_like 'does not retarget merge request'
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end
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context 'and another is closed' do
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before do
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another_merge_request.close
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end
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it_behaves_like 'does not retarget merge request'
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end
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context 'and another is merged' do
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before do
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another_merge_request.mark_as_merged
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end
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it_behaves_like 'does not retarget merge request'
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end
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end
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context 'in forked project' do
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let!(:source_project) { fork_project(project) }
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context 'when user has access to source project' do
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before do
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source_project.add_developer(user)
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merge_request.mark_as_merged
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end
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it_behaves_like 'retargets merge request'
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end
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context 'when user does not have access to source project' do
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it_behaves_like 'does not retarget merge request'
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end
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end
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context 'and current and another MR is from a fork' do
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let(:project) { create(:project) }
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let(:source_project) { fork_project(project) }
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let(:merge_request) do
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create(:merge_request,
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source_project: source_project,
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target_project: project
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)
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end
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before do
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source_project.add_developer(user)
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end
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it_behaves_like 'does not retarget merge request'
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end
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end
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context 'when many merge requests are to be retargeted' do
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let!(:many_merge_requests) do
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create_list(:merge_request, 10, :unique_branches,
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source_project: merge_request.source_project,
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target_project: merge_request.source_project,
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target_branch: merge_request.source_branch
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)
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end
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before do
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merge_request.mark_as_merged
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end
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it 'retargets only 4 of them' do
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subject
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expect(many_merge_requests.each(&:reload).pluck(:target_branch).tally)
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.to eq(
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merge_request.source_branch => 6,
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merge_request.target_branch => 4
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)
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end
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end
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end
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end
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