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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe AutoMerge::MergeWhenPipelineSucceedsService, feature_category: :code_review_workflow do
include_context 'for auto_merge strategy context'
describe "#available_for?" do
subject { service.available_for?(mr_merge_if_green_enabled) }
let(:pipeline_status) { :running }
before do
create(
:ci_pipeline,
pipeline_status,
ref: mr_merge_if_green_enabled.source_branch,
sha: mr_merge_if_green_enabled.diff_head_sha,
project: mr_merge_if_green_enabled.source_project
)
mr_merge_if_green_enabled.update_head_pipeline
end
it { is_expected.to be_truthy }
it 'memoizes the result' do
expect(mr_merge_if_green_enabled).to receive(:can_be_merged_by?).once.and_call_original
2.times { is_expected.to be_truthy }
end
context 'when the head pipeline succeeded' do
let(:pipeline_status) { :success }
it { is_expected.to be_falsy }
end
context 'when the user does not have permission to merge' do
before do
allow(mr_merge_if_green_enabled).to receive(:can_be_merged_by?) { false }
end
it { is_expected.to be_falsy }
end
end
describe "#execute" do
it_behaves_like 'auto_merge service #execute', 'merge_when_pipeline_succeeds' do
let(:auto_merge_strategy) { AutoMergeService::STRATEGY_MERGE_WHEN_PIPELINE_SUCCEEDS }
let(:expected_note) do
"enabled an automatic merge when the pipeline for #{pipeline.sha}"
end
end
end
describe "#process" do
it_behaves_like 'auto_merge service #process'
end
describe '#cancel' do
it_behaves_like 'auto_merge service #cancel'
end
describe '#abort' do
it_behaves_like 'auto_merge service #abort'
end
describe 'pipeline integration' do
context 'when there are multiple stages in the pipeline' do
let(:ref) { mr_merge_if_green_enabled.source_branch }
let(:sha) { project.commit(ref).id }
let(:build_stage) { create(:ci_stage, name: 'build', pipeline: pipeline) }
let(:pipeline) do
create(:ci_empty_pipeline, ref: ref, sha: sha, project: project)
end
let!(:build) do
create(
:ci_build,
:created,
pipeline: pipeline,
ref: ref,
name: 'build',
ci_stage: build_stage
)
end
let!(:test) do
create(:ci_build, :created, pipeline: pipeline, ref: ref, name: 'test')
end
before do
# This behavior of MergeRequest: we instantiate a new object
#
allow_any_instance_of(MergeRequest)
.to receive(:head_pipeline)
.and_wrap_original do
Ci::Pipeline.find(pipeline.id)
end
end
it "doesn't merge if any of stages failed" do
expect(MergeWorker).not_to receive(:perform_async)
build.success
test.reload
test.drop
end
it 'merges when all stages succeeded', :sidekiq_might_not_need_inline do
expect(MergeWorker).to receive(:perform_async)
build.success
test.reload
test.success
end
end
end
end
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