require 'rails_helper' describe TopicList do let!(:topic) { Fabricate(:topic) } let(:user) { topic.user } let(:topic_list) { TopicList.new("liked", user, [topic]) } before do TopicList.preloaded_custom_fields.clear end after do TopicList.preloaded_custom_fields.clear end describe ".preloaded_custom_fields" do it "should return a unique set of values" do TopicList.preloaded_custom_fields << "test" TopicList.preloaded_custom_fields << "test" TopicList.preloaded_custom_fields << "apple" expect(TopicList.preloaded_custom_fields).to eq(Set.new(%w{test apple})) end end context "DiscourseTagging enabled" do before do SiteSetting.tagging_enabled = true end after do SiteSetting.tagging_enabled = false end it "should add tags to preloaded custom fields" do expect(topic_list.preloaded_custom_fields).to eq(Set.new([DiscourseTagging::TAGS_FIELD_NAME])) end end describe '#tags' do it 'should return the right tags' do tag = Fabricate(:tag, topics: [topic]) other_tag = Fabricate(:tag, topics: [topic], name: "use-anywhere") output = [tag.name, other_tag.name] expect(topic_list.tags.sort).to eq(output.sort) end describe 'when there are tags restricted to a category' do let!(:category) { Fabricate(:category) } let!(:topic) { Fabricate(:topic, category: category) } let!(:other_topic) { Fabricate(:topic) } # uncategorized let!(:tag) { Fabricate(:tag, topics: [topic], categories: [category], name: "category-tag") } let!(:other_tag) { Fabricate(:tag, topics: [topic], name: "use-anywhere") } let(:topic_list) { TopicList.new('latest', topic.user, [topic], { category: category.id, category_id: category.id }) } it 'should only return tags allowed in the category' do expect(topic_list.tags).to eq([tag.name]) end it "with no category, should return all tags" do expect(TopicList.new('latest', other_topic.user, [other_topic]).tags.sort).to eq([tag.name, other_tag.name].sort) end it "with another category with no tags, should return no tags" do other_category = Fabricate(:category) topic3 = Fabricate(:topic, category: other_category) list = TopicList.new('latest', topic3.user, [topic3], { category: other_category.id, category_id: other_category.id }) expect(list.tags).to be_empty end end end end