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# frozen_string_literal: true
require 'gitlab/rspec/all'
require_relative '../../../tooling/rspec_flaky/listener'
RSpec.describe RspecFlaky::Listener, :aggregate_failures do
include ActiveSupport::Testing::TimeHelpers
include StubENV
let(:already_flaky_example_uid) { '6e869794f4cfd2badd93eb68719371d1' }
let(:suite_flaky_example_report) do
{
"#{already_flaky_example_uid}": {
example_id: 'spec/foo/bar_spec.rb:2',
file: 'spec/foo/bar_spec.rb',
line: 2,
description: 'hello world',
first_flaky_at: 1234,
last_flaky_at: 4321,
last_attempts_count: 3,
flaky_reports: 1,
last_flaky_job: nil
}
}
end
let(:already_flaky_example_attrs) do
{
id: 'spec/foo/bar_spec.rb:2',
metadata: {
file_path: 'spec/foo/bar_spec.rb',
line_number: 2,
full_description: 'hello world'
},
execution_result: double(status: 'passed', exception: nil)
}
end
let(:already_flaky_example) { RspecFlaky::FlakyExample.new(suite_flaky_example_report[already_flaky_example_uid]) }
let(:new_example_attrs) do
{
id: 'spec/foo/baz_spec.rb:3',
metadata: {
file_path: 'spec/foo/baz_spec.rb',
line_number: 3,
full_description: 'hello GitLab'
},
execution_result: double(status: 'passed', exception: nil)
}
end
before do
# Stub these env variables otherwise specs don't behave the same on the CI
stub_env('CI_JOB_URL', nil)
stub_env('FLAKY_RSPEC_SUITE_REPORT_PATH', nil)
end
describe '#initialize' do
shared_examples 'a valid Listener instance' do
let(:expected_suite_flaky_examples) { {} }
it 'returns a valid Listener instance' do
listener = described_class.new
expect(listener.suite_flaky_examples.to_h).to eq(expected_suite_flaky_examples)
expect(listener.flaky_examples).to eq({})
end
end
context 'when no report file exists' do
it_behaves_like 'a valid Listener instance'
end
context 'when FLAKY_RSPEC_SUITE_REPORT_PATH is set' do
let(:report_file_path) { 'foo/report.json' }
before do
stub_env('FLAKY_RSPEC_SUITE_REPORT_PATH', report_file_path)
end
context 'and report file exists' do
before do
expect(File).to receive(:exist?).with(report_file_path).and_return(true)
end
it 'delegates the load to RspecFlaky::Report' do
report = RspecFlaky::Report.new(RspecFlaky::FlakyExamplesCollection.new(suite_flaky_example_report))
expect(RspecFlaky::Report).to receive(:load).with(report_file_path).and_return(report)
expect(described_class.new.suite_flaky_examples.to_h).to eq(report.flaky_examples.to_h)
end
end
context 'and report file does not exist' do
before do
expect(File).to receive(:exist?).with(report_file_path).and_return(false)
end
it 'return an empty hash' do
expect(RspecFlaky::Report).not_to receive(:load)
expect(described_class.new.suite_flaky_examples.to_h).to eq({})
end
end
end
end
describe '#example_passed' do
let(:rspec_example) { double(new_example_attrs) }
let(:notification) { double(example: rspec_example) }
let(:listener) { described_class.new(suite_flaky_example_report.to_json) }
shared_examples 'a non-flaky example' do
it 'does not change the flaky examples hash' do
expect { listener.example_passed(notification) }
.not_to change { listener.flaky_examples }
end
end
shared_examples 'an existing flaky example' do
let(:expected_flaky_example) do
{
example_id: 'spec/foo/bar_spec.rb:2',
file: 'spec/foo/bar_spec.rb',
line: 2,
description: 'hello world',
first_flaky_at: 1234,
last_attempts_count: 2,
flaky_reports: 2,
feature_category: nil,
last_flaky_job: nil
}
end
it 'changes the flaky examples hash' do
new_example = RspecFlaky::Example.new(rspec_example)
travel_to(Time.now + 42) do
the_future = Time.now
expect { listener.example_passed(notification) }
.to change { listener.flaky_examples[new_example.uid].to_h }
expect(listener.flaky_examples[new_example.uid].to_h)
.to eq(expected_flaky_example.merge(last_flaky_at: the_future))
end
end
end
shared_examples 'a new flaky example' do
let(:expected_flaky_example) do
{
example_id: 'spec/foo/baz_spec.rb:3',
file: 'spec/foo/baz_spec.rb',
line: 3,
description: 'hello GitLab',
last_attempts_count: 2,
flaky_reports: 1,
feature_category: nil,
last_flaky_job: nil
}
end
it 'changes the all flaky examples hash' do
new_example = RspecFlaky::Example.new(rspec_example)
travel_to(Time.now + 42) do
the_future = Time.now
expect { listener.example_passed(notification) }
.to change { listener.flaky_examples[new_example.uid].to_h }
expect(listener.flaky_examples[new_example.uid].to_h)
.to eq(expected_flaky_example.merge(first_flaky_at: the_future, last_flaky_at: the_future))
end
end
end
describe 'when the RSpec example does not respond to attempts' do
it_behaves_like 'a non-flaky example'
end
describe 'when the RSpec example has 1 attempt' do
let(:rspec_example) { double(new_example_attrs.merge(attempts: 1)) }
it_behaves_like 'a non-flaky example'
end
describe 'when the RSpec example has 2 attempts' do
let(:rspec_example) { double(new_example_attrs.merge(attempts: 2)) }
it_behaves_like 'a new flaky example'
context 'with an existing flaky example' do
let(:rspec_example) { double(already_flaky_example_attrs.merge(attempts: 2)) }
it_behaves_like 'an existing flaky example'
end
end
end
describe '#dump_summary' do
let(:listener) { described_class.new(suite_flaky_example_report.to_json) }
let(:new_flaky_rspec_example) { double(new_example_attrs.merge(attempts: 2)) }
let(:already_flaky_rspec_example) { double(already_flaky_example_attrs.merge(attempts: 2)) }
let(:notification_new_flaky_rspec_example) { double(example: new_flaky_rspec_example) }
let(:notification_already_flaky_rspec_example) { double(example: already_flaky_rspec_example) }
before do
allow(Kernel).to receive(:warn)
end
context 'when a report file path is set by FLAKY_RSPEC_REPORT_PATH' do
it 'delegates the writes to RspecFlaky::Report' do
listener.example_passed(notification_new_flaky_rspec_example)
listener.example_passed(notification_already_flaky_rspec_example)
report1 = double
report2 = double
expect(RspecFlaky::Report).to receive(:new).with(listener.flaky_examples).and_return(report1)
expect(report1).to receive(:write).with(RspecFlaky::Config.flaky_examples_report_path)
expect(RspecFlaky::Report).to receive(:new).with(listener.__send__(:new_flaky_examples)).and_return(report2)
expect(report2).to receive(:write).with(RspecFlaky::Config.new_flaky_examples_report_path)
listener.dump_summary(nil)
end
end
end
end
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