gitlab-org--gitlab-foss/spec/tooling/danger/feature_flag_spec.rb

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# frozen_string_literal: true
require 'gitlab-dangerfiles'
require 'gitlab/dangerfiles/spec_helper'
require_relative '../../../tooling/danger/feature_flag'
RSpec.describe Tooling::Danger::FeatureFlag do
include_context "with dangerfile"
let(:fake_danger) { DangerSpecHelper.fake_danger.include(described_class) }
subject(:feature_flag) { fake_danger.new(helper: fake_helper) }
describe '#feature_flag_files' do
let(:feature_flag_files) do
[
'config/feature_flags/development/entry.yml',
'ee/config/feature_flags/ops/entry.yml'
]
end
let(:other_files) do
[
'app/models/model.rb',
'app/assets/javascripts/file.js'
]
end
shared_examples 'an array of Found objects' do |change_type|
it 'returns an array of Found objects' do
expect(feature_flag.feature_flag_files(change_type: change_type)).to contain_exactly(an_instance_of(described_class::Found), an_instance_of(described_class::Found))
expect(feature_flag.feature_flag_files(change_type: change_type).map(&:path)).to eq(feature_flag_files)
end
end
shared_examples 'an empty array' do |change_type|
it 'returns an array of Found objects' do
expect(feature_flag.feature_flag_files(change_type: change_type)).to be_empty
end
end
describe 'retrieves added feature flag files' do
context 'with added added feature flag files' do
let(:added_files) { feature_flag_files }
include_examples 'an array of Found objects', :added
end
context 'without added added feature flag files' do
let(:added_files) { other_files }
include_examples 'an empty array', :added
end
end
describe 'retrieves modified feature flag files' do
context 'with modified modified feature flag files' do
let(:modified_files) { feature_flag_files }
include_examples 'an array of Found objects', :modified
end
context 'without modified modified feature flag files' do
let(:modified_files) { other_files }
include_examples 'an empty array', :modified
end
end
describe 'retrieves deleted feature flag files' do
context 'with deleted deleted feature flag files' do
let(:deleted_files) { feature_flag_files }
include_examples 'an array of Found objects', :deleted
end
context 'without deleted deleted feature flag files' do
let(:deleted_files) { other_files }
include_examples 'an empty array', :deleted
end
end
end
describe described_class::Found do
let(:feature_flag_path) { 'config/feature_flags/development/entry.yml' }
let(:group) { 'group::source code' }
let(:raw_yaml) do
YAML.dump(
'group' => group,
'default_enabled' => true,
'rollout_issue_url' => 'https://gitlab.com/gitlab-org/gitlab/-/issues/1'
)
end
subject(:found) { described_class.new(feature_flag_path) }
before do
allow(File).to receive(:read).and_call_original
expect(File).to receive(:read).with(feature_flag_path).and_return(raw_yaml)
end
describe '#raw' do
it 'returns the raw YAML' do
expect(found.raw).to eq(raw_yaml)
end
end
describe '#group' do
it 'returns the group found in the YAML' do
expect(found.group).to eq(group)
end
end
describe '#default_enabled' do
it 'returns the default_enabled found in the YAML' do
expect(found.default_enabled).to eq(true)
end
end
describe '#rollout_issue_url' do
it 'returns the rollout_issue_url found in the YAML' do
expect(found.rollout_issue_url).to eq('https://gitlab.com/gitlab-org/gitlab/-/issues/1')
end
end
describe '#group_match_mr_label?' do
subject(:result) { found.group_match_mr_label?(mr_group_label) }
context 'when MR labels match FF group' do
let(:mr_group_label) { 'group::source code' }
specify { expect(result).to eq(true) }
end
context 'when MR labels does not match FF group' do
let(:mr_group_label) { 'group::access' }
specify { expect(result).to eq(false) }
end
context 'when group is nil' do
let(:group) { nil }
context 'and MR has no group label' do
let(:mr_group_label) { nil }
specify { expect(result).to eq(true) }
end
context 'and MR has a group label' do
let(:mr_group_label) { 'group::source code' }
specify { expect(result).to eq(false) }
end
end
end
end
end