require 'spec_helper' describe Gitlab::CurrentSettings do include StubENV before do stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false') end describe '#current_application_settings' do context 'with DB available' do before do allow_any_instance_of(described_class).to receive(:connect_to_db?).and_return(true) end it 'attempts to use cached values first' do expect(ApplicationSetting).to receive(:cached) expect(current_application_settings).to be_a(ApplicationSetting) end it 'falls back to DB if Redis returns an empty value' do expect(ApplicationSetting).to receive(:cached).and_return(nil) expect(ApplicationSetting).to receive(:last).and_call_original expect(current_application_settings).to be_a(ApplicationSetting) end it 'falls back to DB if Redis fails' do expect(ApplicationSetting).to receive(:cached).and_raise(::Redis::BaseError) expect(ApplicationSetting).to receive(:last).and_call_original expect(current_application_settings).to be_a(ApplicationSetting) end context 'with migrations pending' do before do expect(ActiveRecord::Migrator).to receive(:needs_migration?).and_return(true) end it 'returns an in-memory ApplicationSetting object' do settings = current_application_settings expect(settings).to be_a(OpenStruct) expect(settings.sign_in_enabled?).to eq(settings.sign_in_enabled) expect(settings.sign_up_enabled?).to eq(settings.sign_up_enabled) end it 'uses the existing database settings and falls back to defaults' do db_settings = create(:application_setting, home_page_url: 'http://mydomain.com', signup_enabled: false) settings = current_application_settings app_defaults = ApplicationSetting.last expect(settings).to be_a(OpenStruct) expect(settings.home_page_url).to eq(db_settings.home_page_url) expect(settings.signup_enabled?).to be_falsey expect(settings.signup_enabled).to be_falsey # Check that unspecified values use the defaults settings.reject! { |key, _| [:home_page_url, :signup_enabled].include? key } settings.each { |key, _| expect(settings[key]).to eq(app_defaults[key]) } end end end context 'with DB unavailable' do before do allow_any_instance_of(described_class).to receive(:connect_to_db?).and_return(false) allow_any_instance_of(described_class).to receive(:retrieve_settings_from_database_cache?).and_return(nil) end it 'returns an in-memory ApplicationSetting object' do expect(ApplicationSetting).not_to receive(:current) expect(ApplicationSetting).not_to receive(:last) expect(current_application_settings).to be_a(OpenStruct) end end context 'when ENV["IN_MEMORY_APPLICATION_SETTINGS"] is true' do before do stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'true') end it 'returns an in-memory ApplicationSetting object' do expect(ApplicationSetting).not_to receive(:current) expect(ApplicationSetting).not_to receive(:last) expect(current_application_settings).to be_a(ApplicationSetting) expect(current_application_settings).not_to be_persisted end end end end