mirror of https://github.com/rails/rails
57 lines
1.1 KiB
Ruby
57 lines
1.1 KiB
Ruby
# frozen_string_literal: true
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require "abstract_unit"
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require "active_support/subscriber"
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class TestSubscriber < ActiveSupport::Subscriber
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attach_to :doodle
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cattr_reader :events
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def self.clear
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@@events = []
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end
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def open_party(event)
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events << event
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end
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private
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def private_party(event)
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events << event
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end
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end
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# Monkey patch subscriber to test that only one subscriber per method is added.
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class TestSubscriber
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remove_method :open_party
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def open_party(event)
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events << event
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end
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end
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class SubscriberTest < ActiveSupport::TestCase
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def setup
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TestSubscriber.clear
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end
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def test_attaches_subscribers
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ActiveSupport::Notifications.instrument("open_party.doodle")
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assert_equal "open_party.doodle", TestSubscriber.events.first.name
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end
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def test_attaches_only_one_subscriber
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ActiveSupport::Notifications.instrument("open_party.doodle")
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assert_equal 1, TestSubscriber.events.size
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end
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def test_does_not_attach_private_methods
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ActiveSupport::Notifications.instrument("private_party.doodle")
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assert_equal [], TestSubscriber.events
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end
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end
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