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require "abstract_unit"
module ActiveSupport
module Notifications
class EventedTest < ActiveSupport::TestCase
class Listener
attr_reader :events
def initialize
@events = []
end
def start(name, id, payload)
@events << [:start, name, id, payload]
end
def finish(name, id, payload)
@events << [:finish, name, id, payload]
end
end
class ListenerWithTimedSupport < Listener
def call(name, start, finish, id, payload)
@events << [:call, name, start, finish, id, payload]
end
end
def test_evented_listener
notifier = Fanout.new
listener = Listener.new
notifier.subscribe "hi", listener
notifier.start "hi", 1, {}
notifier.start "hi", 2, {}
notifier.finish "hi", 2, {}
notifier.finish "hi", 1, {}
assert_equal 4, listener.events.length
assert_equal [
[:start, "hi", 1, {}],
[:start, "hi", 2, {}],
[:finish, "hi", 2, {}],
[:finish, "hi", 1, {}],
], listener.events
end
def test_evented_listener_no_events
notifier = Fanout.new
listener = Listener.new
notifier.subscribe "hi", listener
notifier.start "world", 1, {}
assert_equal 0, listener.events.length
end
def test_listen_to_everything
notifier = Fanout.new
listener = Listener.new
notifier.subscribe nil, listener
notifier.start "hello", 1, {}
notifier.start "world", 1, {}
notifier.finish "world", 1, {}
notifier.finish "hello", 1, {}
assert_equal 4, listener.events.length
assert_equal [
[:start, "hello", 1, {}],
[:start, "world", 1, {}],
[:finish, "world", 1, {}],
[:finish, "hello", 1, {}],
], listener.events
end
def test_evented_listener_priority
notifier = Fanout.new
listener = ListenerWithTimedSupport.new
notifier.subscribe "hi", listener
notifier.start "hi", 1, {}
notifier.finish "hi", 1, {}
assert_equal [
[:start, "hi", 1, {}],
[:finish, "hi", 1, {}]
], listener.events
end
end
end
end
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