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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::Ci::Pipeline::Duration do
let(:calculated_duration) { calculate(data) }
shared_examples 'calculating duration' do
it do
expect(calculated_duration).to eq(duration)
end
end
context 'test sample A' do
let(:data) do
[[0, 1],
[1, 2],
[3, 4],
[5, 6]]
end
let(:duration) { 4 }
it_behaves_like 'calculating duration'
end
context 'test sample B' do
let(:data) do
[[0, 1],
[1, 2],
[2, 3],
[3, 4],
[0, 4]]
end
let(:duration) { 4 }
it_behaves_like 'calculating duration'
end
context 'test sample C' do
let(:data) do
[[0, 4],
[2, 6],
[5, 7],
[8, 9]]
end
let(:duration) { 8 }
it_behaves_like 'calculating duration'
end
context 'test sample D' do
let(:data) do
[[0, 1],
[2, 3],
[4, 5],
[6, 7]]
end
let(:duration) { 4 }
it_behaves_like 'calculating duration'
end
context 'test sample E' do
let(:data) do
[[0, 1],
[3, 9],
[3, 4],
[3, 5],
[3, 8],
[4, 5],
[4, 7],
[5, 8]]
end
let(:duration) { 7 }
it_behaves_like 'calculating duration'
end
context 'test sample F' do
let(:data) do
[[1, 3],
[2, 4],
[2, 4],
[2, 4],
[5, 8]]
end
let(:duration) { 6 }
it_behaves_like 'calculating duration'
end
context 'test sample G' do
let(:data) do
[[1, 3],
[2, 4],
[6, 7]]
end
let(:duration) { 4 }
it_behaves_like 'calculating duration'
end
def calculate(data)
periods = data.shuffle.map do |(first, last)|
described_class::Period.new(first, last)
end
described_class.from_periods(periods.sort_by(&:first))
end
end
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