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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::Ci::Pipeline::Preloader do
let(:stage) { double(:stage) }
let(:commit) { double(:commit) }
let(:pipeline) do
double(:pipeline, commit: commit, stages: [stage])
end
describe '.preload!' do
context 'when preloading multiple commits' do
let(:project) { create(:project, :repository) }
it 'preloads all commits once' do
expect(Commit).to receive(:decorate).once.and_call_original
pipelines = [build_pipeline(ref: 'HEAD'),
build_pipeline(ref: 'HEAD~1')]
described_class.preload!(pipelines)
end
def build_pipeline(ref:)
build_stubbed(:ci_pipeline, project: project, sha: project.commit(ref).id)
end
end
it 'preloads commit authors, number of warnings and ref commits' do
expect(commit).to receive(:lazy_author)
expect(pipeline).to receive(:lazy_ref_commit)
expect(pipeline).to receive(:number_of_warnings)
expect(stage).to receive(:number_of_warnings)
described_class.preload!([pipeline])
end
it 'returns original collection' do
allow(commit).to receive(:lazy_author)
allow(pipeline).to receive(:lazy_ref_commit)
allow(pipeline).to receive(:number_of_warnings)
allow(stage).to receive(:number_of_warnings)
pipelines = [pipeline, pipeline]
expect(described_class.preload!(pipelines)).to eq pipelines
end
end
end
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