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require 'abstract_unit'
class OrchestraEventTest < Test::Unit::TestCase
def setup
@parent = ActiveSupport::Orchestra::Event.new(:parent)
end
def test_initialization_with_name_and_parent_and_payload
event = ActiveSupport::Orchestra::Event.new(:awesome, @parent, :payload => "orchestra")
assert_equal(:awesome, event.name)
assert_equal(@parent, event.parent)
assert_equal({ :payload => "orchestra" }, event.payload)
end
def test_thread_id_is_set_on_initialization
event = ActiveSupport::Orchestra::Event.new(:awesome)
assert_equal Thread.current.object_id, event.thread_id
end
def test_current_time_is_set_on_initialization
previous_time = Time.now.utc
event = ActiveSupport::Orchestra::Event.new(:awesome)
assert_kind_of Time, event.time
assert event.time.to_f >= previous_time.to_f
end
def test_duration_is_set_when_event_finishes
event = ActiveSupport::Orchestra::Event.new(:awesome)
sleep(0.1)
event.finish!
assert_in_delta 100, event.duration, 30
end
end
class OrchestraMainTest < Test::Unit::TestCase
def setup
@listener = []
ActiveSupport::Orchestra.register @listener
end
def teardown
ActiveSupport::Orchestra.unregister @listener
end
def test_orchestra_allows_any_action_to_be_instrumented
event = ActiveSupport::Orchestra.instrument(:awesome, "orchestra") do
sleep(0.1)
end
assert_equal :awesome, event.name
assert_equal "orchestra", event.payload
assert_in_delta 100, event.duration, 30
end
def test_block_result_is_stored
event = ActiveSupport::Orchestra.instrument(:awesome, "orchestra") do
1 + 1
end
assert_equal 2, event.result
end
def test_events_are_published_to_a_listener
event = ActiveSupport::Orchestra.instrument(:awesome, "orchestra") do
1 + 1
end
assert_equal 1, @listener.size
assert_equal :awesome, @listener.last.name
assert_equal "orchestra", @listener.last.payload
end
def test_nested_events_can_be_instrumented
ActiveSupport::Orchestra.instrument(:awesome, "orchestra") do
ActiveSupport::Orchestra.instrument(:wot, "child") do
sleep(0.1)
end
assert_equal 1, @listener.size
assert_equal :wot, @listener.first.name
assert_equal "child", @listener.first.payload
assert_nil @listener.first.parent.duration
assert_in_delta 100, @listener.first.duration, 30
end
assert_equal 2, @listener.size
assert_equal :awesome, @listener.last.name
assert_equal "orchestra", @listener.last.payload
assert_in_delta 100, @listener.first.parent.duration, 30
end
def test_event_is_pushed_even_if_block_fails
ActiveSupport::Orchestra.instrument(:awesome, "orchestra") do
raise "OMG"
end rescue RuntimeError
assert_equal 1, @listener.size
assert_equal :awesome, @listener.last.name
assert_equal "orchestra", @listener.last.payload
end
end
class OrchestraListenerTest < Test::Unit::TestCase
class MyListener < ActiveSupport::Orchestra::Listener
attr_reader :consumed
def consume(event)
@consumed ||= []
@consumed << event
end
end
def setup
@listener = MyListener.new
ActiveSupport::Orchestra.register @listener
end
def teardown
ActiveSupport::Orchestra.unregister @listener
end
def test_thread_is_exposed_by_listener
assert_kind_of Thread, @listener.thread
end
def test_event_is_consumed_when_an_action_is_instrumented
ActiveSupport::Orchestra.instrument(:sum) do
1 + 1
end
sleep 0.1
assert_equal 1, @listener.consumed.size
assert_equal :sum, @listener.consumed.first.name
assert_equal 2, @listener.consumed.first.result
end
def test_with_sevaral_consumers_and_several_events
@another = MyListener.new
ActiveSupport::Orchestra.register @another
1.upto(100) do |i|
ActiveSupport::Orchestra.instrument(:value) do
i
end
end
sleep 0.1
assert_equal 100, @listener.consumed.size
assert_equal :value, @listener.consumed.first.name
assert_equal 1, @listener.consumed.first.result
assert_equal 100, @listener.consumed.last.result
assert_equal 100, @another.consumed.size
assert_equal :value, @another.consumed.first.name
assert_equal 1, @another.consumed.first.result
assert_equal 100, @another.consumed.last.result
ensure
ActiveSupport::Orchestra.unregister @another
end
end
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