debian-mirror-gitlab/spec/tooling/danger/changelog_spec.rb
2021-12-11 22:18:48 +05:30

467 lines
15 KiB
Ruby

# frozen_string_literal: true
require 'gitlab-dangerfiles'
require 'gitlab/dangerfiles/spec_helper'
require_relative '../../../tooling/danger/changelog'
require_relative '../../../tooling/danger/project_helper'
RSpec.describe Tooling::Danger::Changelog do
include_context "with dangerfile"
let(:fake_danger) { DangerSpecHelper.fake_danger.include(described_class) }
let(:fake_project_helper) { double('fake-project-helper', helper: fake_helper).tap { |h| h.class.include(Tooling::Danger::ProjectHelper) } }
subject(:changelog) { fake_danger.new(helper: fake_helper) }
before do
allow(changelog).to receive(:project_helper).and_return(fake_project_helper)
end
describe '#check_changelog_commit_categories' do
context 'when all changelog commits are correct' do
it 'does not produce any messages' do
commit = double(:commit, message: "foo\nChangelog: fixed")
allow(changelog).to receive(:changelog_commits).and_return([commit])
expect(changelog).not_to receive(:fail)
changelog.check_changelog_commit_categories
end
end
context 'when a commit has an incorrect trailer' do
it 'adds a message' do
commit = double(:commit, message: "foo\nChangelog: foo", sha: '123')
allow(changelog).to receive(:changelog_commits).and_return([commit])
expect(changelog).to receive(:fail)
changelog.check_changelog_commit_categories
end
end
end
describe '#check_changelog_trailer' do
subject { changelog.check_changelog_trailer(commit) }
context "when commit include a changelog trailer with an unknown category" do
let(:commit) { double('commit', message: "Hello world\n\nChangelog: foo", sha: "abc123") }
it { is_expected.to have_attributes(errors: ["Commit #{commit.sha} uses an invalid changelog category: foo"]) }
end
context 'when a commit uses the wrong casing for a trailer' do
let(:commit) { double('commit', message: "Hello world\n\nchangelog: foo", sha: "abc123") }
it { is_expected.to have_attributes(errors: ["The changelog trailer for commit #{commit.sha} must be `Changelog` (starting with a capital C), not `changelog`"]) }
end
described_class::CATEGORIES.each do |category|
context "when commit include a changelog trailer with category set to '#{category}'" do
let(:commit) { double('commit', message: "Hello world\n\nChangelog: #{category}", sha: "abc123") }
it { is_expected.to have_attributes(errors: []) }
end
end
end
describe '#check_changelog_path' do
let(:changelog_path) { 'changelog-path.yml' }
let(:foss_change) { nil }
let(:ee_change) { nil }
let(:changelog_change) { nil }
let(:changes) { changes_class.new([foss_change, ee_change, changelog_change].compact) }
before do
allow(changelog).to receive(:present?).and_return(true)
end
subject { changelog.check_changelog_path }
context "when changelog is not present" do
before do
allow(changelog).to receive(:present?).and_return(false)
end
it { is_expected.to have_attributes(errors: [], warnings: [], markdowns: [], messages: []) }
end
context "with EE changes" do
let(:ee_change) { change_class.new('ee/app/models/foo.rb', :added, :backend) }
context "and a non-EE changelog, and changelog not required" do
before do
allow(changelog).to receive(:required?).and_return(false)
allow(changelog).to receive(:ee_changelog?).and_return(false)
end
it { is_expected.to have_attributes(warnings: ["This MR changes code in `ee/`, but its Changelog commit is missing the [`EE: true` trailer](https://docs.gitlab.com/ee/development/changelog.html#gitlab-enterprise-changes). Consider adding it to your Changelog commits."]) }
end
context "and a EE changelog" do
before do
allow(changelog).to receive(:ee_changelog?).and_return(true)
end
it { is_expected.to have_attributes(errors: [], warnings: [], markdowns: [], messages: []) }
context "and there are DB changes" do
let(:foss_change) { change_class.new('db/migrate/foo.rb', :added, :migration) }
it { is_expected.to have_attributes(warnings: ["This MR has a Changelog commit with the `EE: true` trailer, but there are database changes which [requires](https://docs.gitlab.com/ee/development/changelog.html#what-warrants-a-changelog-entry) the Changelog commit to not have the `EE: true` trailer. Consider removing the `EE: true` trailer from your commits."]) }
end
end
end
context "with no EE changes" do
let(:foss_change) { change_class.new('app/models/foo.rb', :added, :backend) }
context "and a non-EE changelog" do
before do
allow(changelog).to receive(:ee_changelog?).and_return(false)
end
it { is_expected.to have_attributes(errors: [], warnings: [], markdowns: [], messages: []) }
end
context "and a EE changelog" do
before do
allow(changelog).to receive(:ee_changelog?).and_return(true)
end
it { is_expected.to have_attributes(warnings: ["This MR has a Changelog commit for EE, but no code changes in `ee/`. Consider removing the `EE: true` trailer from your commits."]) }
end
end
end
describe '#required_reasons' do
subject { changelog.required_reasons }
context "added files contain a migration" do
let(:changes) { changes_class.new([change_class.new('foo', :added, :migration)]) }
it { is_expected.to include(:db_changes) }
end
context "removed files contains a feature flag" do
let(:changes) { changes_class.new([change_class.new('foo', :deleted, :feature_flag)]) }
it { is_expected.to include(:feature_flag_removed) }
end
context "added files do not contain a migration" do
let(:changes) { changes_class.new([change_class.new('foo', :added, :frontend)]) }
it { is_expected.to be_empty }
end
context "removed files do not contain a feature flag" do
let(:changes) { changes_class.new([change_class.new('foo', :deleted, :backend)]) }
it { is_expected.to be_empty }
end
end
describe '#required?' do
subject { changelog.required? }
context 'added files contain a migration' do
let(:changes) { changes_class.new([change_class.new('foo', :added, :migration)]) }
it { is_expected.to be_truthy }
end
context "removed files contains a feature flag" do
let(:changes) { changes_class.new([change_class.new('foo', :deleted, :feature_flag)]) }
it { is_expected.to be_truthy }
end
context 'added files do not contain a migration' do
let(:changes) { changes_class.new([change_class.new('foo', :added, :frontend)]) }
it { is_expected.to be_falsey }
end
context "removed files do not contain a feature flag" do
let(:changes) { changes_class.new([change_class.new('foo', :deleted, :backend)]) }
it { is_expected.to be_falsey }
end
end
describe '#optional?' do
let(:category_with_changelog) { :backend }
let(:label_with_changelog) { 'frontend' }
let(:category_without_changelog) { Tooling::Danger::Changelog::NO_CHANGELOG_CATEGORIES.first }
let(:label_without_changelog) { Tooling::Danger::Changelog::NO_CHANGELOG_LABELS.first }
subject { changelog.optional? }
context 'when MR contains only categories requiring no changelog' do
let(:changes) { changes_class.new([change_class.new('foo', :modified, category_without_changelog)]) }
it 'is falsey' do
is_expected.to be_falsy
end
end
context 'when MR contains a label that require no changelog' do
let(:changes) { changes_class.new([change_class.new('foo', :modified, category_with_changelog)]) }
let(:mr_labels) { [label_with_changelog, label_without_changelog] }
it 'is falsey' do
is_expected.to be_falsy
end
end
context 'when MR contains a category that require changelog and a category that require no changelog' do
let(:changes) { changes_class.new([change_class.new('foo', :modified, category_with_changelog), change_class.new('foo', :modified, category_without_changelog)]) }
context 'with no labels' do
it 'is truthy' do
is_expected.to be_truthy
end
end
context 'with changelog label' do
let(:mr_labels) { ['type::feature'] }
it 'is truthy' do
is_expected.to be_truthy
end
end
context 'with no changelog label' do
let(:mr_labels) { ['type::tooling'] }
it 'is truthy' do
is_expected.to be_falsey
end
end
end
end
describe '#present?' do
it 'returns true when a Changelog commit is present' do
allow(changelog)
.to receive(:valid_changelog_commits)
.and_return([double(:commit)])
expect(changelog).to be_present
end
it 'returns false when a Changelog commit is missing' do
allow(changelog).to receive(:valid_changelog_commits).and_return([])
expect(changelog).not_to be_present
end
end
describe '#changelog_commits' do
it 'returns the commits that include a Changelog trailer' do
commit1 = double(:commit, message: "foo\nChangelog: fixed")
commit2 = double(:commit, message: "bar\nChangelog: kittens")
commit3 = double(:commit, message: 'testing')
git = double(:git)
allow(changelog).to receive(:git).and_return(git)
allow(git).to receive(:commits).and_return([commit1, commit2, commit3])
expect(changelog.changelog_commits).to eq([commit1, commit2])
end
end
describe '#valid_changelog_commits' do
it 'returns the commits with a valid Changelog trailer' do
commit1 = double(:commit, message: "foo\nChangelog: fixed")
commit2 = double(:commit, message: "bar\nChangelog: kittens")
allow(changelog)
.to receive(:changelog_commits)
.and_return([commit1, commit2])
expect(changelog.valid_changelog_commits).to eq([commit1])
end
end
describe '#ee_changelog?' do
it 'returns true when an EE changelog commit is present' do
commit = double(:commit, message: "foo\nEE: true")
allow(changelog).to receive(:changelog_commits).and_return([commit])
expect(changelog.ee_changelog?).to eq(true)
end
it 'returns false when an EE changelog commit is missing' do
commit = double(:commit, message: 'foo')
allow(changelog).to receive(:changelog_commits).and_return([commit])
expect(changelog.ee_changelog?).to eq(false)
end
end
describe '#modified_text' do
subject { changelog.modified_text }
context 'when in CI context' do
shared_examples 'changelog modified text' do |key|
specify do
expect(subject).to include('CHANGELOG.md was edited')
expect(subject).to include('`Changelog` trailer')
expect(subject).to include('`EE: true`')
end
end
before do
allow(fake_helper).to receive(:ci?).and_return(true)
end
context "when title is not changed from sanitization", :aggregate_failures do
let(:mr_title) { 'Fake Title' }
it_behaves_like 'changelog modified text'
end
context "when title needs sanitization", :aggregate_failures do
let(:mr_title) { 'DRAFT: Fake Title' }
it_behaves_like 'changelog modified text'
end
end
context 'when in local context' do
let(:mr_title) { 'Fake Title' }
before do
allow(fake_helper).to receive(:ci?).and_return(false)
end
specify do
expect(subject).to include('CHANGELOG.md was edited')
expect(subject).not_to include('`Changelog` trailer')
end
end
end
describe '#required_texts' do
let(:mr_title) { 'Fake Title' }
subject { changelog.required_texts }
context 'when in CI context' do
before do
allow(fake_helper).to receive(:ci?).and_return(true)
end
shared_examples 'changelog required text' do |key|
specify do
expect(subject).to have_key(key)
expect(subject[key]).to include('CHANGELOG missing')
expect(subject[key]).to include('`Changelog` trailer')
end
end
context 'with a new migration file' do
let(:changes) { changes_class.new([change_class.new('foo', :added, :migration)]) }
context "when title is not changed from sanitization", :aggregate_failures do
it_behaves_like 'changelog required text', :db_changes
end
context "when title needs sanitization", :aggregate_failures do
let(:mr_title) { 'DRAFT: Fake Title' }
it_behaves_like 'changelog required text', :db_changes
end
end
context 'with a removed feature flag file' do
let(:changes) { changes_class.new([change_class.new('foo', :deleted, :feature_flag)]) }
it_behaves_like 'changelog required text', :feature_flag_removed
end
end
context 'when in local context' do
before do
allow(fake_helper).to receive(:ci?).and_return(false)
end
shared_examples 'changelog required text' do |key|
specify do
expect(subject).to have_key(key)
expect(subject[key]).to include('CHANGELOG missing')
expect(subject[key]).not_to include('`Changelog` trailer')
end
end
context 'with a new migration file' do
let(:changes) { changes_class.new([change_class.new('foo', :added, :migration)]) }
context "when title is not changed from sanitization", :aggregate_failures do
it_behaves_like 'changelog required text', :db_changes
end
context "when title needs sanitization", :aggregate_failures do
let(:mr_title) { 'DRAFT: Fake Title' }
it_behaves_like 'changelog required text', :db_changes
end
end
context 'with a removed feature flag file' do
let(:changes) { changes_class.new([change_class.new('foo', :deleted, :feature_flag)]) }
it_behaves_like 'changelog required text', :feature_flag_removed
end
end
end
describe '#optional_text' do
subject { changelog.optional_text }
context 'when in CI context' do
shared_examples 'changelog optional text' do |key|
specify do
expect(subject).to include('CHANGELOG missing')
expect(subject).to include('`Changelog` trailer')
expect(subject).to include('EE: true')
end
end
before do
allow(fake_helper).to receive(:ci?).and_return(true)
end
context "when title is not changed from sanitization", :aggregate_failures do
let(:mr_title) { 'Fake Title' }
it_behaves_like 'changelog optional text'
end
context "when title needs sanitization", :aggregate_failures do
let(:mr_title) { 'DRAFT: Fake Title' }
it_behaves_like 'changelog optional text'
end
end
context 'when in local context' do
let(:mr_title) { 'Fake Title' }
before do
allow(fake_helper).to receive(:ci?).and_return(false)
end
specify do
expect(subject).to include('CHANGELOG missing')
end
end
end
end