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-rw-r--r--spec/tooling/danger/roulette_spec.rb429
1 files changed, 0 insertions, 429 deletions
diff --git a/spec/tooling/danger/roulette_spec.rb b/spec/tooling/danger/roulette_spec.rb
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index 1e500a1ed08..00000000000
--- a/spec/tooling/danger/roulette_spec.rb
+++ /dev/null
@@ -1,429 +0,0 @@
-# frozen_string_literal: true
-
-require 'webmock/rspec'
-require 'timecop'
-
-require_relative '../../../tooling/danger/roulette'
-require 'active_support/testing/time_helpers'
-
-RSpec.describe Tooling::Danger::Roulette do
- include ActiveSupport::Testing::TimeHelpers
-
- around do |example|
- travel_to(Time.utc(2020, 06, 22, 10)) { example.run }
- end
-
- let(:backend_available) { true }
- let(:backend_tz_offset_hours) { 2.0 }
- let(:backend_maintainer) do
- Tooling::Danger::Teammate.new(
- 'username' => 'backend-maintainer',
- 'name' => 'Backend maintainer',
- 'role' => 'Backend engineer',
- 'projects' => { 'gitlab' => 'maintainer backend' },
- 'available' => backend_available,
- 'tz_offset_hours' => backend_tz_offset_hours
- )
- end
-
- let(:frontend_reviewer) do
- Tooling::Danger::Teammate.new(
- 'username' => 'frontend-reviewer',
- 'name' => 'Frontend reviewer',
- 'role' => 'Frontend engineer',
- 'projects' => { 'gitlab' => 'reviewer frontend' },
- 'available' => true,
- 'tz_offset_hours' => 2.0
- )
- end
-
- let(:frontend_maintainer) do
- Tooling::Danger::Teammate.new(
- 'username' => 'frontend-maintainer',
- 'name' => 'Frontend maintainer',
- 'role' => 'Frontend engineer',
- 'projects' => { 'gitlab' => "maintainer frontend" },
- 'available' => true,
- 'tz_offset_hours' => 2.0
- )
- end
-
- let(:software_engineer_in_test) do
- Tooling::Danger::Teammate.new(
- 'username' => 'software-engineer-in-test',
- 'name' => 'Software Engineer in Test',
- 'role' => 'Software Engineer in Test, Create:Source Code',
- 'projects' => { 'gitlab' => 'maintainer qa', 'gitlab-qa' => 'maintainer' },
- 'available' => true,
- 'tz_offset_hours' => 2.0
- )
- end
-
- let(:engineering_productivity_reviewer) do
- Tooling::Danger::Teammate.new(
- 'username' => 'eng-prod-reviewer',
- 'name' => 'EP engineer',
- 'role' => 'Engineering Productivity',
- 'projects' => { 'gitlab' => 'reviewer backend' },
- 'available' => true,
- 'tz_offset_hours' => 2.0
- )
- end
-
- let(:ci_template_reviewer) do
- Tooling::Danger::Teammate.new(
- 'username' => 'ci-template-maintainer',
- 'name' => 'CI Template engineer',
- 'role' => '~"ci::templates"',
- 'projects' => { 'gitlab' => 'reviewer ci_template' },
- 'available' => true,
- 'tz_offset_hours' => 2.0
- )
- end
-
- let(:teammates) do
- [
- backend_maintainer.to_h,
- frontend_maintainer.to_h,
- frontend_reviewer.to_h,
- software_engineer_in_test.to_h,
- engineering_productivity_reviewer.to_h,
- ci_template_reviewer.to_h
- ]
- end
-
- let(:teammate_json) do
- teammates.to_json
- end
-
- subject(:roulette) { Object.new.extend(described_class) }
-
- describe 'Spin#==' do
- it 'compares Spin attributes' do
- spin1 = described_class::Spin.new(:backend, frontend_reviewer, frontend_maintainer, false, false)
- spin2 = described_class::Spin.new(:backend, frontend_reviewer, frontend_maintainer, false, false)
- spin3 = described_class::Spin.new(:backend, frontend_reviewer, frontend_maintainer, false, true)
- spin4 = described_class::Spin.new(:backend, frontend_reviewer, frontend_maintainer, true, false)
- spin5 = described_class::Spin.new(:backend, frontend_reviewer, backend_maintainer, false, false)
- spin6 = described_class::Spin.new(:backend, backend_maintainer, frontend_maintainer, false, false)
- spin7 = described_class::Spin.new(:frontend, frontend_reviewer, frontend_maintainer, false, false)
-
- expect(spin1).to eq(spin2)
- expect(spin1).not_to eq(spin3)
- expect(spin1).not_to eq(spin4)
- expect(spin1).not_to eq(spin5)
- expect(spin1).not_to eq(spin6)
- expect(spin1).not_to eq(spin7)
- end
- end
-
- describe '#spin' do
- let!(:project) { 'gitlab' }
- let!(:mr_source_branch) { 'a-branch' }
- let!(:mr_labels) { ['backend', 'devops::create'] }
- let!(:author) { Tooling::Danger::Teammate.new('username' => 'johndoe') }
- let(:timezone_experiment) { false }
- let(:spins) do
- # Stub the request at the latest time so that we can modify the raw data, e.g. available fields.
- WebMock
- .stub_request(:get, described_class::ROULETTE_DATA_URL)
- .to_return(body: teammate_json)
-
- subject.spin(project, categories, timezone_experiment: timezone_experiment)
- end
-
- before do
- allow(subject).to receive(:mr_author_username).and_return(author.username)
- allow(subject).to receive(:mr_labels).and_return(mr_labels)
- allow(subject).to receive(:mr_source_branch).and_return(mr_source_branch)
- end
-
- context 'when timezone_experiment == false' do
- context 'when change contains backend category' do
- let(:categories) { [:backend] }
-
- it 'assigns backend reviewer and maintainer' do
- expect(spins[0].reviewer).to eq(engineering_productivity_reviewer)
- expect(spins[0].maintainer).to eq(backend_maintainer)
- expect(spins).to eq([described_class::Spin.new(:backend, engineering_productivity_reviewer, backend_maintainer, false, false)])
- end
-
- context 'when teammate is not available' do
- let(:backend_available) { false }
-
- it 'assigns backend reviewer and no maintainer' do
- expect(spins).to eq([described_class::Spin.new(:backend, engineering_productivity_reviewer, nil, false, false)])
- end
- end
- end
-
- context 'when change contains frontend category' do
- let(:categories) { [:frontend] }
-
- it 'assigns frontend reviewer and maintainer' do
- expect(spins).to eq([described_class::Spin.new(:frontend, frontend_reviewer, frontend_maintainer, false, false)])
- end
- end
-
- context 'when change contains many categories' do
- let(:categories) { [:frontend, :test, :qa, :engineering_productivity, :ci_template, :backend] }
-
- it 'has a deterministic sorting order' do
- expect(spins.map(&:category)).to eq categories.sort
- end
- end
-
- context 'when change contains QA category' do
- let(:categories) { [:qa] }
-
- it 'assigns QA maintainer' do
- expect(spins).to eq([described_class::Spin.new(:qa, nil, software_engineer_in_test, false, false)])
- end
- end
-
- context 'when change contains QA category and another category' do
- let(:categories) { [:backend, :qa] }
-
- it 'assigns QA maintainer' do
- expect(spins).to eq([described_class::Spin.new(:backend, engineering_productivity_reviewer, backend_maintainer, false, false), described_class::Spin.new(:qa, nil, software_engineer_in_test, :maintainer, false)])
- end
-
- context 'and author is an SET' do
- let!(:author) { Tooling::Danger::Teammate.new('username' => software_engineer_in_test.username) }
-
- it 'assigns QA reviewer' do
- expect(spins).to eq([described_class::Spin.new(:backend, engineering_productivity_reviewer, backend_maintainer, false, false), described_class::Spin.new(:qa, nil, nil, false, false)])
- end
- end
- end
-
- context 'when change contains Engineering Productivity category' do
- let(:categories) { [:engineering_productivity] }
-
- it 'assigns Engineering Productivity reviewer and fallback to backend maintainer' do
- expect(spins).to eq([described_class::Spin.new(:engineering_productivity, engineering_productivity_reviewer, backend_maintainer, false, false)])
- end
- end
-
- context 'when change contains CI/CD Template category' do
- let(:categories) { [:ci_template] }
-
- it 'assigns CI/CD Template reviewer and fallback to backend maintainer' do
- expect(spins).to eq([described_class::Spin.new(:ci_template, ci_template_reviewer, backend_maintainer, false, false)])
- end
- end
-
- context 'when change contains test category' do
- let(:categories) { [:test] }
-
- it 'assigns corresponding SET' do
- expect(spins).to eq([described_class::Spin.new(:test, software_engineer_in_test, nil, :maintainer, false)])
- end
- end
- end
-
- context 'when timezone_experiment == true' do
- let(:timezone_experiment) { true }
-
- context 'when change contains backend category' do
- let(:categories) { [:backend] }
-
- it 'assigns backend reviewer and maintainer' do
- expect(spins).to eq([described_class::Spin.new(:backend, engineering_productivity_reviewer, backend_maintainer, false, true)])
- end
-
- context 'when teammate is not in a good timezone' do
- let(:backend_tz_offset_hours) { 5.0 }
-
- it 'assigns backend reviewer and no maintainer' do
- expect(spins).to eq([described_class::Spin.new(:backend, engineering_productivity_reviewer, nil, false, true)])
- end
- end
- end
-
- context 'when change includes a category with timezone disabled' do
- let(:categories) { [:backend] }
-
- before do
- stub_const("#{described_class}::INCLUDE_TIMEZONE_FOR_CATEGORY", backend: false)
- end
-
- it 'assigns backend reviewer and maintainer' do
- expect(spins).to eq([described_class::Spin.new(:backend, engineering_productivity_reviewer, backend_maintainer, false, false)])
- end
-
- context 'when teammate is not in a good timezone' do
- let(:backend_tz_offset_hours) { 5.0 }
-
- it 'assigns backend reviewer and maintainer' do
- expect(spins).to eq([described_class::Spin.new(:backend, engineering_productivity_reviewer, backend_maintainer, false, false)])
- end
- end
- end
- end
- end
-
- RSpec::Matchers.define :match_teammates do |expected|
- match do |actual|
- expected.each do |expected_person|
- actual_person_found = actual.find { |actual_person| actual_person.name == expected_person.username }
-
- actual_person_found &&
- actual_person_found.name == expected_person.name &&
- actual_person_found.role == expected_person.role &&
- actual_person_found.projects == expected_person.projects
- end
- end
- end
-
- describe '#team' do
- subject(:team) { roulette.team }
-
- context 'HTTP failure' do
- before do
- WebMock
- .stub_request(:get, described_class::ROULETTE_DATA_URL)
- .to_return(status: 404)
- end
-
- it 'raises a pretty error' do
- expect { team }.to raise_error(/Failed to read/)
- end
- end
-
- context 'JSON failure' do
- before do
- WebMock
- .stub_request(:get, described_class::ROULETTE_DATA_URL)
- .to_return(body: 'INVALID JSON')
- end
-
- it 'raises a pretty error' do
- expect { team }.to raise_error(/Failed to parse/)
- end
- end
-
- context 'success' do
- before do
- WebMock
- .stub_request(:get, described_class::ROULETTE_DATA_URL)
- .to_return(body: teammate_json)
- end
-
- it 'returns an array of teammates' do
- is_expected.to match_teammates([
- backend_maintainer,
- frontend_reviewer,
- frontend_maintainer,
- software_engineer_in_test,
- engineering_productivity_reviewer,
- ci_template_reviewer
- ])
- end
-
- it 'memoizes the result' do
- expect(team.object_id).to eq(roulette.team.object_id)
- end
- end
- end
-
- describe '#project_team' do
- subject { roulette.project_team('gitlab-qa') }
-
- before do
- WebMock
- .stub_request(:get, described_class::ROULETTE_DATA_URL)
- .to_return(body: teammate_json)
- end
-
- it 'filters team by project_name' do
- is_expected.to match_teammates([
- software_engineer_in_test
- ])
- end
- end
-
- describe '#spin_for_person' do
- let(:person_tz_offset_hours) { 0.0 }
- let(:person1) do
- Tooling::Danger::Teammate.new(
- 'username' => 'user1',
- 'available' => true,
- 'tz_offset_hours' => person_tz_offset_hours
- )
- end
-
- let(:person2) do
- Tooling::Danger::Teammate.new(
- 'username' => 'user2',
- 'available' => true,
- 'tz_offset_hours' => person_tz_offset_hours)
- end
-
- let(:author) do
- Tooling::Danger::Teammate.new(
- 'username' => 'johndoe',
- 'available' => true,
- 'tz_offset_hours' => 0.0)
- end
-
- let(:unavailable) do
- Tooling::Danger::Teammate.new(
- 'username' => 'janedoe',
- 'available' => false,
- 'tz_offset_hours' => 0.0)
- end
-
- before do
- allow(subject).to receive(:mr_author_username).and_return(author.username)
- end
-
- (-4..4).each do |utc_offset|
- context "when local hour for person is #{10 + utc_offset} (offset: #{utc_offset})" do
- let(:person_tz_offset_hours) { utc_offset }
-
- [false, true].each do |timezone_experiment|
- context "with timezone_experiment == #{timezone_experiment}" do
- it 'returns a random person' do
- persons = [person1, person2]
-
- selected = subject.spin_for_person(persons, random: Random.new, timezone_experiment: timezone_experiment)
-
- expect(persons.map(&:username)).to include(selected.username)
- end
- end
- end
- end
- end
-
- ((-12..-5).to_a + (5..12).to_a).each do |utc_offset|
- context "when local hour for person is #{10 + utc_offset} (offset: #{utc_offset})" do
- let(:person_tz_offset_hours) { utc_offset }
-
- [false, true].each do |timezone_experiment|
- context "with timezone_experiment == #{timezone_experiment}" do
- it 'returns a random person or nil' do
- persons = [person1, person2]
-
- selected = subject.spin_for_person(persons, random: Random.new, timezone_experiment: timezone_experiment)
-
- if timezone_experiment
- expect(selected).to be_nil
- else
- expect(persons.map(&:username)).to include(selected.username)
- end
- end
- end
- end
- end
- end
-
- it 'excludes unavailable persons' do
- expect(subject.spin_for_person([unavailable], random: Random.new)).to be_nil
- end
-
- it 'excludes mr.author' do
- expect(subject.spin_for_person([author], random: Random.new)).to be_nil
- end
- end
-end