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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe MergeRequests::Mergeability::RunChecksService, :clean_gitlab_redis_cache, feature_category: :code_review_workflow do
let(:checks) { MergeRequest.all_mergeability_checks }
let(:execute_all) { false }
subject(:run_checks) { described_class.new(merge_request: merge_request, params: {}) }
describe '#execute' do
subject(:execute) { run_checks.execute(checks, execute_all: execute_all) }
let_it_be(:merge_request) { create(:merge_request) }
let(:params) { {} }
let(:success_result) { Gitlab::MergeRequests::Mergeability::CheckResult.success }
shared_examples 'checks are all executed' do
context 'when all checks are set to be executed' do
let(:execute_all) { true }
specify do
result = execute
expect(result.success?).to eq(success?)
expect(result.payload[:results].count).to eq(expected_count)
end
end
end
context 'when every check is skipped', :eager_load do
before do
MergeRequests::Mergeability::CheckBaseService.subclasses.each do |subclass|
allow_next_instance_of(subclass) do |service|
allow(service).to receive(:skip?).and_return(true)
end
end
end
it 'is still a success' do
expect(execute.success?).to eq(true)
end
it_behaves_like 'checks are all executed' do
let(:success?) { true }
let(:expected_count) { 0 }
end
end
context 'when a check is skipped' do
before do
checks.each do |check|
allow_next_instance_of(check) do |service|
allow(service).to receive(:skip?).and_return(false)
allow(service).to receive(:execute).and_return(success_result)
end
end
allow_next_instance_of(MergeRequests::Mergeability::CheckCiStatusService) do |service|
allow(service).to receive(:skip?).and_return(true)
end
end
it 'does not execute the check' do
expect_next_instance_of(MergeRequests::Mergeability::CheckCiStatusService) do |service|
expect(service).to receive(:skip?).and_return(true)
expect(service).not_to receive(:execute)
end
expect(execute.success?).to eq(true)
end
it_behaves_like 'checks are all executed' do
let(:success?) { true }
let(:expected_count) { checks.count - 1 }
end
context 'when one check fails' do
let(:failed_result) { Gitlab::MergeRequests::Mergeability::CheckResult.failed(payload: { identifier: 'failed' }) }
before do
allow_next_instance_of(MergeRequests::Mergeability::CheckOpenStatusService) do |service|
allow(service).to receive(:skip?).and_return(false)
allow(service).to receive(:execute).and_return(failed_result)
end
end
it 'returns the failed check' do
result = execute
expect(result.success?).to eq(false)
expect(execute.payload[:failed_check]).to eq(:failed)
end
it_behaves_like 'checks are all executed' do
let(:success?) { false }
let(:expected_count) { checks.count - 1 }
end
end
context 'when one check is inactive' do
let(:inactive_result) { Gitlab::MergeRequests::Mergeability::CheckResult.inactive }
before do
allow_next_instance_of(MergeRequests::Mergeability::CheckOpenStatusService) do |service|
allow(service).to receive(:skip?).and_return(false)
allow(service).to receive(:execute).and_return(inactive_result)
end
end
it 'is still a success' do
expect(execute.success?).to eq(true)
end
it_behaves_like 'checks are all executed' do
let(:success?) { true }
let(:expected_count) { checks.count - 1 }
end
end
end
context 'when a check is not skipped' do
let(:cacheable) { true }
let(:merge_check) { instance_double(MergeRequests::Mergeability::CheckCiStatusService) }
before do
checks.each do |check|
allow_next_instance_of(check) do |service|
allow(service).to receive(:skip?).and_return(true)
end
end
expect(MergeRequests::Mergeability::CheckCiStatusService).to receive(:new).and_return(merge_check)
expect(merge_check).to receive(:skip?).and_return(false)
allow(merge_check).to receive(:cacheable?).and_return(cacheable)
allow(merge_check).to receive(:execute).and_return(success_result)
end
context 'when the check is cacheable' do
context 'when the check is cached' do
before do
expect_next_instance_of(Gitlab::MergeRequests::Mergeability::ResultsStore) do |service|
expect(service).to receive(:read).with(merge_check: merge_check).and_return(success_result)
end
end
it 'returns the cached result' do
expect_next_instance_of(MergeRequests::Mergeability::Logger, merge_request: merge_request) do |logger|
expect(logger).to receive(:instrument).with(mergeability_name: 'check_ci_status_service').and_call_original
expect(logger).to receive(:commit)
end
expect(execute.success?).to eq(true)
end
it_behaves_like 'checks are all executed' do
let(:success?) { true }
let(:expected_count) { 1 }
end
end
context 'when the check is not cached' do
before do
expect_next_instance_of(Gitlab::MergeRequests::Mergeability::ResultsStore) do |service|
expect(service).to receive(:read).with(merge_check: merge_check).and_return(nil)
expect(service).to receive(:write).with(merge_check: merge_check, result_hash: success_result.to_hash).and_return(true)
end
end
it 'writes and returns the result' do
expect_next_instance_of(MergeRequests::Mergeability::Logger, merge_request: merge_request) do |logger|
expect(logger).to receive(:instrument).with(mergeability_name: 'check_ci_status_service').and_call_original
expect(logger).to receive(:commit)
end
expect(execute.success?).to eq(true)
end
it_behaves_like 'checks are all executed' do
let(:success?) { true }
let(:expected_count) { 1 }
end
end
end
context 'when check is not cacheable' do
let(:cacheable) { false }
it 'does not call the results store' do
expect(Gitlab::MergeRequests::Mergeability::ResultsStore).not_to receive(:new)
expect(execute.success?).to eq(true)
end
end
end
end
end
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