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93 lines
2.5 KiB
Ruby
93 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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RSpec.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) { OpenStruct.new(name: "Harvey Dent", job: "District Attorney") }
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let(:event_handler) { Proc.new { |user| user.name = "Two Face" } }
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before { DiscourseEvent.on(:acid_face, &event_handler) }
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after { DiscourseEvent.off(:acid_face, &event_handler) }
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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) { Proc.new { |user| user.job = "Supervillain" } }
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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 { DiscourseEvent.off(:acid_face, &event_handler_2) }
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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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describe "#all_off" do
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let(:event_handler_2) { Proc.new { |user| user.job = "Supervillain" } }
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before { DiscourseEvent.on(:acid_face, &event_handler_2) }
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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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it "allows using kwargs" do
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begin
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handler =
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Proc.new do |name:, message:|
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expect(name).to eq("Supervillain")
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expect(message).to eq("Two Face")
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end
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DiscourseEvent.on(:acid_face, &handler)
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DiscourseEvent.trigger(:acid_face, name: "Supervillain", message: "Two Face")
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ensure
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DiscourseEvent.off(:acid_face, &handler)
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end
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end
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end
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