debian-mirror-gitlab/spec/lib/gitlab/ci/pipeline/chain/sequence_spec.rb
2020-08-09 17:44:08 +05:30

79 lines
2 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Ci::Pipeline::Chain::Sequence do
let_it_be(:project) { create(:project) }
let_it_be(:user) { create(:user) }
let(:pipeline) { build_stubbed(:ci_pipeline) }
let(:command) { Gitlab::Ci::Pipeline::Chain::Command.new }
let(:first_step) { spy('first step') }
let(:second_step) { spy('second step') }
let(:sequence) { [first_step, second_step] }
let(:histogram) { spy('prometheus metric') }
subject do
described_class.new(pipeline, command, sequence)
end
context 'when one of steps breaks the chain' do
before do
allow(first_step).to receive(:break?).and_return(true)
end
it 'does not process the second step' do
subject.build! do |pipeline, sequence|
expect(sequence).not_to be_complete
end
expect(second_step).not_to have_received(:perform!)
end
it 'returns a pipeline object' do
expect(subject.build!).to eq pipeline
end
end
context 'when all chains are executed correctly' do
before do
sequence.each do |step|
allow(step).to receive(:break?).and_return(false)
end
end
it 'iterates through entire sequence' do
subject.build! do |pipeline, sequence|
expect(sequence).to be_complete
end
expect(first_step).to have_received(:perform!)
expect(second_step).to have_received(:perform!)
end
it 'returns a pipeline object' do
expect(subject.build!).to eq pipeline
end
it 'adds sequence duration to duration histogram' do
allow(command.metrics)
.to receive(:pipeline_creation_duration_histogram)
.and_return(histogram)
subject.build!
expect(histogram).to have_received(:observe)
end
it 'records pipeline size by pipeline source in a histogram' do
allow(command.metrics)
.to receive(:pipeline_size_histogram)
.and_return(histogram)
subject.build!
expect(histogram).to have_received(:observe)
.with({ source: 'push' }, 0)
end
end
end