# frozen_string_literal: true require 'spec_helper' describe Gitlab::Themes, lib: true do describe '.body_classes' do it 'returns a space-separated list of class names' do css = described_class.body_classes expect(css).to include('ui-indigo') expect(css).to include('ui-dark') expect(css).to include('ui-blue') end end describe '.by_id' do it 'returns a Theme by its ID' do expect(described_class.by_id(1).name).to eq 'Indigo' expect(described_class.by_id(3).name).to eq 'Light' end end describe '.default' do it 'returns the default application theme' do allow(described_class).to receive(:default_id).and_return(2) expect(described_class.default.id).to eq 2 end it 'prevents an infinite loop when configuration default is invalid' do default = described_class::APPLICATION_DEFAULT themes = described_class::THEMES config = double(default_theme: 0).as_null_object allow(Gitlab).to receive(:config).and_return(config) expect(described_class.default.id).to eq default config = double(default_theme: themes.size + 5).as_null_object allow(Gitlab).to receive(:config).and_return(config) expect(described_class.default.id).to eq default end end describe '.each' do it 'passes the block to the THEMES Array' do ids = [] described_class.each { |theme| ids << theme.id } expect(ids).not_to be_empty end end end