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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
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
end
end
end
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