require 'rails_helper' require_dependency 'discourse_event' describe DiscourseEvent do describe "#events" do it "defaults to {}" do begin original_events = DiscourseEvent.events DiscourseEvent.instance_variable_set(:@events, nil) expect(DiscourseEvent.events).to eq({}) ensure DiscourseEvent.instance_variable_set(:@events, original_events) end end describe "key value" do it "defaults to an empty set" do expect(DiscourseEvent.events["event42"]).to eq(Set.new) end end end context 'when calling events' do let(:harvey) { OpenStruct.new( name: 'Harvey Dent', job: 'District Attorney' ) } before do DiscourseEvent.on(:acid_face) do |user| user.name = 'Two Face' end end context 'when event does not exist' do it "does not raise an error" do DiscourseEvent.trigger(:missing_event) end end context 'when single event exists' do it "doesn't raise an error" do DiscourseEvent.trigger(:acid_face, harvey) end it "changes the name" do DiscourseEvent.trigger(:acid_face, harvey) expect(harvey.name).to eq('Two Face') end end context 'when multiple events exist' do before do DiscourseEvent.on(:acid_face) do |user| user.job = 'Supervillian' end DiscourseEvent.trigger(:acid_face, harvey) end it 'triggers both events' do expect(harvey.job).to eq('Supervillian') expect(harvey.name).to eq('Two Face') end end end end