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Diffstat (limited to 'spec/tooling/danger/feature_flag_spec.rb')
-rw-r--r-- | spec/tooling/danger/feature_flag_spec.rb | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/spec/tooling/danger/feature_flag_spec.rb b/spec/tooling/danger/feature_flag_spec.rb new file mode 100644 index 00000000000..db63116cc37 --- /dev/null +++ b/spec/tooling/danger/feature_flag_spec.rb @@ -0,0 +1,157 @@ +# frozen_string_literal: true + +require_relative 'danger_spec_helper' + +require_relative '../../../tooling/danger/feature_flag' + +RSpec.describe Tooling::Danger::FeatureFlag do + include DangerSpecHelper + + let(:added_files) { nil } + let(:modified_files) { nil } + let(:deleted_files) { nil } + let(:fake_git) { double('fake-git', added_files: added_files, modified_files: modified_files, deleted_files: deleted_files) } + + let(:mr_labels) { nil } + let(:mr_json) { nil } + let(:fake_gitlab) { double('fake-gitlab', mr_labels: mr_labels, mr_json: mr_json) } + + let(:changes_by_category) { nil } + let(:sanitize_mr_title) { nil } + let(:ee?) { false } + let(:fake_helper) { double('fake-helper', changes_by_category: changes_by_category, sanitize_mr_title: sanitize_mr_title, ee?: ee?) } + + let(:fake_danger) { new_fake_danger.include(described_class) } + + subject(:feature_flag) { fake_danger.new(git: fake_git, gitlab: fake_gitlab, 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) + 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 '#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 |