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# frozen_string_literal: true
require 'fast_spec_helper'
require 'tempfile'
require 'json'
require_relative '../../../scripts/pipeline/average_reports'
RSpec.describe AverageReports, feature_category: :tooling do
let(:initial_report) do
{
'spec/frontend/fixtures/analytics.rb' => 1,
'spec/frontend/fixtures/runner_instructions.rb' => 0.8074841039997409,
'ee/spec/frontend/fixtures/analytics/value_streams_test_stage.rb' => 50.35115972699987,
'ee/spec/frontend/fixtures/merge_requests.rb' => 19.16644390500005,
'old' => 123
}
end
let(:new_report) do
{
'spec/frontend/fixtures/analytics.rb' => 2,
'spec/frontend/fixtures/runner_instructions.rb' => 0,
'ee/spec/frontend/fixtures/analytics/value_streams_test_stage.rb' => 0,
'ee/spec/frontend/fixtures/merge_requests.rb' => 0,
'new' => 234
}
end
let(:new_report_2) do
{
'spec/frontend/fixtures/analytics.rb' => 3,
'new' => 468
}
end
let(:initial_report_file) do
Tempfile.new('temp_initial_report.json').tap do |f|
# rubocop:disable Gitlab/Json
f.write(JSON.dump(initial_report))
# rubocop:enable Gitlab/Json
f.close
end
end
let(:new_report_file_1) do |_f|
Tempfile.new('temp_new_report1.json').tap do |f|
# rubocop:disable Gitlab/Json
f.write(JSON.dump(new_report))
# rubocop:enable Gitlab/Json
f.close
end
end
let(:new_report_file_2) do |_f|
Tempfile.new('temp_new_report2.json').tap do |f|
# rubocop:disable Gitlab/Json
f.write(JSON.dump(new_report_2))
# rubocop:enable Gitlab/Json
f.close
end
end
before do
allow(subject).to receive(:puts)
end
after do
initial_report_file.unlink
new_report_file_1.unlink
new_report_file_2.unlink
end
describe 'execute' do
context 'with 1 new report' do
subject do
described_class.new(
initial_report_file: initial_report_file.path,
new_report_files: [new_report_file_1.path]
)
end
it 'returns average durations' do
results = subject.execute
expect(results['spec/frontend/fixtures/analytics.rb']).to be_within(0.01).of(1.5)
expect(results['spec/frontend/fixtures/runner_instructions.rb']).to be_within(0.01).of(0.4)
expect(results['ee/spec/frontend/fixtures/analytics/value_streams_test_stage.rb']).to be_within(0.01).of(25.17)
expect(results['ee/spec/frontend/fixtures/merge_requests.rb']).to be_within(0.01).of(9.58)
expect(results['new']).to be_within(0.01).of(234)
# excludes entry missing from the new report
expect(results['old']).to be_nil
end
end
context 'with 2 new reports' do
subject do
described_class.new(
initial_report_file: initial_report_file.path,
new_report_files: [new_report_file_1.path, new_report_file_2.path]
)
end
it 'returns average durations' do
results = subject.execute
expect(subject).to have_received(:puts).with("Updating #{initial_report_file.path} with 2 new reports...")
expect(subject).to have_received(:puts).with("Updated 5 data points from #{new_report_file_1.path}")
expect(subject).to have_received(:puts).with("Updated 2 data points from #{new_report_file_2.path}")
expect(results['spec/frontend/fixtures/analytics.rb']).to be_within(0.01).of(2)
expect(results['new']).to be_within(0.01).of(351)
# retains entry present in one of the new reports
expect(results['spec/frontend/fixtures/runner_instructions.rb']).to be_within(0.01).of(0.4)
expect(results['ee/spec/frontend/fixtures/analytics/value_streams_test_stage.rb']).to be_within(0.01).of(25.17)
expect(results['ee/spec/frontend/fixtures/merge_requests.rb']).to be_within(0.01).of(9.58)
# excludes entry missing from both of the new reports
expect(results['old']).to be_nil
end
end
context 'when some of the new report files do not exist' do
subject do
described_class.new(
initial_report_file: initial_report_file.path,
new_report_files: [new_report_file_1.path, 'file_does_not_exist.json']
)
end
it 'ignores the nil file and only process 1 new report' do
subject.execute
expect(subject).to have_received(:puts).with("Updating #{initial_report_file.path} with 1 new reports...")
expect(subject).to have_received(:puts).with("Updated 5 data points from #{new_report_file_1.path}")
end
end
end
end
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