2009-09-16 18:53:49 -04:00
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require 'abstract_unit'
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2009-11-28 15:49:07 -05:00
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module Notifications
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class TestCase < ActiveSupport::TestCase
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def setup
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2010-01-06 16:23:29 -05:00
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ActiveSupport::Notifications.notifier = nil
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@notifier = ActiveSupport::Notifications.notifier
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@events = []
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@named_events = []
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@subscription = @notifier.subscribe { |*args| @events << event(*args) }
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@named_subscription = @notifier.subscribe("named.subscription") { |*args| @named_events << event(*args) }
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end
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2009-11-28 15:49:07 -05:00
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private
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def event(*args)
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ActiveSupport::Notifications::Event.new(*args)
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end
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def drain
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@notifier.wait
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end
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end
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2009-10-15 13:49:29 -04:00
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2010-03-01 19:01:08 -05:00
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class UnsubscribeTest < TestCase
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def test_unsubscribing_removes_a_subscription
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@notifier.publish :foo
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@notifier.wait
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assert_equal [[:foo]], @events
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@notifier.unsubscribe(@subscription)
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@notifier.publish :foo
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@notifier.wait
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assert_equal [[:foo]], @events
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end
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def test_unsubscribing_by_name_removes_a_subscription
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@notifier.publish "named.subscription", :foo
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@notifier.wait
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assert_equal [["named.subscription", :foo]], @named_events
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@notifier.unsubscribe("named.subscription")
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@notifier.publish "named.subscription", :foo
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@notifier.wait
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assert_equal [["named.subscription", :foo]], @named_events
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end
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def test_unsubscribing_by_name_leaves_the_other_subscriptions
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@notifier.publish "named.subscription", :foo
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@notifier.wait
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assert_equal [["named.subscription", :foo]], @events
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@notifier.unsubscribe("named.subscription")
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@notifier.publish "named.subscription", :foo
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@notifier.wait
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assert_equal [["named.subscription", :foo], ["named.subscription", :foo]], @events
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end
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private
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def event(*args)
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args
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end
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end
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class SyncPubSubTest < TestCase
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def test_events_are_published_to_a_listener
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@notifier.publish :foo
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@notifier.wait
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assert_equal [[:foo]], @events
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end
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def test_publishing_multiple_times_works
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@notifier.publish :foo
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@notifier.publish :foo
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@notifier.wait
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assert_equal [[:foo], [:foo]], @events
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end
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def test_publishing_after_a_new_subscribe_works
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@notifier.publish :foo
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@notifier.publish :foo
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@notifier.subscribe("not_existant") do |*args|
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@events << ActiveSupport::Notifications::Event.new(*args)
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end
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@notifier.publish :foo
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@notifier.publish :foo
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@notifier.wait
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assert_equal [[:foo]] * 4, @events
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end
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def test_log_subscriber_with_string
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events = []
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@notifier.subscribe('1') { |*args| events << args }
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@notifier.publish '1'
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@notifier.publish '1.a'
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@notifier.publish 'a.1'
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@notifier.wait
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assert_equal [['1']], events
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end
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def test_log_subscriber_with_pattern
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events = []
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@notifier.subscribe(/\d/) { |*args| events << args }
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@notifier.publish '1'
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@notifier.publish 'a.1'
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@notifier.publish '1.a'
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@notifier.wait
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assert_equal [['1'], ['a.1'], ['1.a']], events
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end
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2010-02-15 09:44:30 -05:00
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def test_multiple_log_subscribers
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@another = []
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@notifier.subscribe { |*args| @another << args }
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@notifier.publish :foo
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@notifier.wait
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assert_equal [[:foo]], @events
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assert_equal [[:foo]], @another
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end
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private
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def event(*args)
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args
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end
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end
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class InstrumentationTest < TestCase
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delegate :instrument, :to => ActiveSupport::Notifications
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def test_instrument_returns_block_result
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assert_equal 2, instrument(:awesome) { 1 + 1 }
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drain
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end
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def test_instrument_yields_the_paylod_for_further_modification
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assert_equal 2, instrument(:awesome) { |p| p[:result] = 1 + 1 }
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drain
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assert_equal 1, @events.size
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assert_equal :awesome, @events.first.name
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assert_equal Hash[:result => 2], @events.first.payload
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end
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def test_instrumenter_exposes_its_id
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assert_equal 20, ActiveSupport::Notifications.instrumenter.id.size
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end
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def test_nested_events_can_be_instrumented
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instrument(:awesome, :payload => "notifications") do
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instrument(:wot, :payload => "child") do
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1 + 1
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end
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drain
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assert_equal 1, @events.size
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assert_equal :wot, @events.first.name
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assert_equal Hash[:payload => "child"], @events.first.payload
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end
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2009-11-13 23:58:38 -05:00
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drain
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assert_equal 2, @events.size
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assert_equal :awesome, @events.last.name
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assert_equal Hash[:payload => "notifications"], @events.last.payload
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end
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def test_instrument_publishes_when_exception_is_raised
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begin
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instrument(:awesome, :payload => "notifications") do
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raise "FAIL"
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end
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rescue RuntimeError => e
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assert_equal "FAIL", e.message
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end
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2009-10-28 04:58:33 -04:00
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2009-11-28 15:49:07 -05:00
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drain
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assert_equal 1, @events.size
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assert_equal Hash[:payload => "notifications",
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:exception => ["RuntimeError", "FAIL"]], @events.last.payload
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end
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def test_event_is_pushed_even_without_block
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instrument(:awesome, :payload => "notifications")
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drain
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2009-11-28 15:49:07 -05:00
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assert_equal 1, @events.size
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assert_equal :awesome, @events.last.name
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assert_equal Hash[:payload => "notifications"], @events.last.payload
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end
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end
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class EventTest < TestCase
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def test_events_are_initialized_with_details
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time = Time.now
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event = event(:foo, time, time + 0.01, random_id, {})
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assert_equal :foo, event.name
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assert_equal time, event.time
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assert_equal 10.0, event.duration
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end
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def test_events_consumes_information_given_as_payload
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event = event(:foo, Time.now, Time.now + 1, random_id, :payload => :bar)
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assert_equal Hash[:payload => :bar], event.payload
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end
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def test_event_is_parent_based_on_time_frame
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time = Time.utc(2009, 01, 01, 0, 0, 1)
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parent = event(:foo, Time.utc(2009), Time.utc(2009) + 100, random_id, {})
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child = event(:foo, time, time + 10, random_id, {})
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not_child = event(:foo, time, time + 100, random_id, {})
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assert parent.parent_of?(child)
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assert !child.parent_of?(parent)
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assert !parent.parent_of?(not_child)
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assert !not_child.parent_of?(parent)
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end
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protected
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def random_id
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@random_id ||= ActiveSupport::SecureRandom.hex(10)
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end
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end
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end
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