106 lines
2.3 KiB
Ruby
106 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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describe DiscourseEvent do
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describe "#events" do
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it "defaults to {}" do
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begin
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original_events = DiscourseEvent.events
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DiscourseEvent.instance_variable_set(:@events, nil)
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expect(DiscourseEvent.events).to eq({})
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ensure
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DiscourseEvent.instance_variable_set(:@events, original_events)
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end
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end
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describe "key value" do
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it "defaults to an empty set" do
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expect(DiscourseEvent.events["event42"]).to eq(Set.new)
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end
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end
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end
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context 'when calling events' do
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let(:harvey) {
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OpenStruct.new(
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name: 'Harvey Dent',
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job: 'District Attorney'
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)
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}
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let(:event_handler) do
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Proc.new { |user| user.name = 'Two Face' }
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end
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before do
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DiscourseEvent.on(:acid_face, &event_handler)
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end
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after do
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DiscourseEvent.off(:acid_face, &event_handler)
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end
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context 'when event does not exist' do
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it "does not raise an error" do
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DiscourseEvent.trigger(:missing_event)
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end
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end
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context 'when single event exists' do
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it "doesn't raise an error" do
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DiscourseEvent.trigger(:acid_face, harvey)
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end
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it "changes the name" do
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DiscourseEvent.trigger(:acid_face, harvey)
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expect(harvey.name).to eq('Two Face')
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end
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end
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context 'when multiple events exist' do
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let(:event_handler_2) do
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Proc.new { |user| user.job = 'Supervillain' }
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end
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before do
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DiscourseEvent.on(:acid_face, &event_handler_2)
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DiscourseEvent.trigger(:acid_face, harvey)
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end
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after do
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DiscourseEvent.off(:acid_face, &event_handler_2)
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end
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it 'triggers both events' do
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expect(harvey.job).to eq('Supervillain')
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expect(harvey.name).to eq('Two Face')
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end
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end
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context '#all_off' do
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let(:event_handler_2) do
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Proc.new { |user| user.job = 'Supervillain' }
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end
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before do
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DiscourseEvent.on(:acid_face, &event_handler_2)
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end
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it 'removes all handlers with a key' do
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harvey.job = 'gardening'
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DiscourseEvent.all_off(:acid_face)
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DiscourseEvent.trigger(:acid_face, harvey) # Doesn't change anything
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expect(harvey.job).to eq('gardening')
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end
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end
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end
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end
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