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# frozen_string_literal: true
require 'spec_helper'
describe Ci::PrepareBuildService do
describe '#execute' do
let(:build) { create(:ci_build, :preparing) }
subject { described_class.new(build).execute }
before do
allow(build).to receive(:prerequisites).and_return(prerequisites)
end
shared_examples 'build enqueueing' do
it 'enqueues the build' do
expect(build).to receive(:enqueue).once
subject
end
end
context 'build has unmet prerequisites' do
let(:prerequisite) { double(complete!: true) }
let(:prerequisites) { [prerequisite] }
it 'completes each prerequisite' do
expect(prerequisites).to all(receive(:complete!))
subject
end
include_examples 'build enqueueing'
context 'prerequisites fail to complete' do
before do
allow(build).to receive(:enqueue).and_return(false)
end
it 'drops the build' do
expect(build).to receive(:drop!).with(:unmet_prerequisites).once
subject
end
end
end
context 'build has no prerequisites' do
let(:prerequisites) { [] }
include_examples 'build enqueueing'
end
end
end
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