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authorJosé Valim <jose.valim@gmail.com>2010-01-14 19:53:07 +0100
committerJosé Valim <jose.valim@gmail.com>2010-01-15 12:24:30 +0100
commit8c8942ed4f2da52aa42ccd46560acb0b5fd37cb8 (patch)
tree976072122a45b4d050a0d6e798ae55ac3fea67a7 /actionpack/test/dispatch
parent5a8e7287c542cbe82d3127cae83dab8571ab9114 (diff)
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Move Dispatcher setup to Railties and add instrumentation hook.
Diffstat (limited to 'actionpack/test/dispatch')
-rw-r--r--actionpack/test/dispatch/callbacks_test.rb76
1 files changed, 76 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/callbacks_test.rb b/actionpack/test/dispatch/callbacks_test.rb
new file mode 100644
index 0000000000..8a2d56cfcc
--- /dev/null
+++ b/actionpack/test/dispatch/callbacks_test.rb
@@ -0,0 +1,76 @@
+require 'abstract_unit'
+
+class DispatcherTest < Test::Unit::TestCase
+ class Foo
+ cattr_accessor :a, :b
+ end
+
+ class DummyApp
+ def call(env)
+ [200, {}, 'response']
+ end
+ end
+
+ def setup
+ Foo.a, Foo.b = 0, 0
+ ActionDispatch::Callbacks.reset_callbacks(:prepare)
+ ActionDispatch::Callbacks.reset_callbacks(:call)
+ end
+
+ def test_prepare_callbacks
+ a = b = c = nil
+ ActionDispatch::Callbacks.to_prepare { |*args| a = b = c = 1 }
+ ActionDispatch::Callbacks.to_prepare { |*args| b = c = 2 }
+ ActionDispatch::Callbacks.to_prepare { |*args| c = 3 }
+
+ # Ensure to_prepare callbacks are not run when defined
+ assert_nil a || b || c
+
+ # Run callbacks
+ dispatch
+
+ assert_equal 1, a
+ assert_equal 2, b
+ assert_equal 3, c
+
+ # Make sure they are only run once
+ a = b = c = nil
+ dispatch
+ assert_nil a || b || c
+ end
+
+ def test_to_prepare_with_identifier_replaces
+ ActionDispatch::Callbacks.to_prepare(:unique_id) { |*args| Foo.a, Foo.b = 1, 1 }
+ ActionDispatch::Callbacks.to_prepare(:unique_id) { |*args| Foo.a = 2 }
+
+ dispatch
+ assert_equal 2, Foo.a
+ assert_equal 0, Foo.b
+ end
+
+ def test_before_and_after_callbacks
+ ActionDispatch::Callbacks.before { |*args| Foo.a += 1; Foo.b += 1 }
+ ActionDispatch::Callbacks.after { |*args| Foo.a += 1; Foo.b += 1 }
+
+ dispatch
+ assert_equal 2, Foo.a
+ assert_equal 2, Foo.b
+
+ dispatch
+ assert_equal 4, Foo.a
+ assert_equal 4, Foo.b
+ end
+
+ def test_should_send_an_instrumentation_callback_for_async_processing
+ ActiveSupport::Notifications.expects(:instrument).with("action_dispatch.callback")
+ dispatch
+ end
+
+ private
+
+ def dispatch(cache_classes = true)
+ @dispatcher ||= ActionDispatch::Callbacks.new(DummyApp.new, !cache_classes)
+ @dispatcher.call({'rack.input' => StringIO.new('')})
+ end
+
+end