From c16c7a8de4e543a92de10a138bdd7caa5ac902d7 Mon Sep 17 00:00:00 2001
From: Yehuda Katz <wycats@gmail.com>
Date: Fri, 27 Feb 2009 19:25:45 -0800
Subject: Add support for callbacks

---
 .../test/new_callback_inheritance_test.rb          | 115 +++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 activesupport/test/new_callback_inheritance_test.rb

(limited to 'activesupport/test/new_callback_inheritance_test.rb')

diff --git a/activesupport/test/new_callback_inheritance_test.rb b/activesupport/test/new_callback_inheritance_test.rb
new file mode 100644
index 0000000000..95020389b0
--- /dev/null
+++ b/activesupport/test/new_callback_inheritance_test.rb
@@ -0,0 +1,115 @@
+require 'test/unit'
+$:.unshift "#{File.dirname(__FILE__)}/../lib"
+require 'active_support'
+
+class GrandParent
+  include ActiveSupport::NewCallbacks
+  
+  attr_reader :log, :action_name
+  def initialize(action_name)
+    @action_name, @log = action_name, []
+  end
+  
+  define_callbacks :dispatch
+  dispatch_callback :before, :before1, :before2, :per_key => {:if => proc {|c| c.action_name == "index" || c.action_name == "update" }}
+  dispatch_callback :after, :after1, :after2, :per_key => {:if => proc {|c| c.action_name == "update" || c.action_name == "delete" }}  
+  
+  def before1
+    @log << "before1"
+  end
+  
+  def before2
+    @log << "before2"
+  end
+  
+  def after1 
+    @log << "after1"
+  end
+  
+  def after2
+    @log << "after2"
+  end
+  
+  def dispatch
+    _run_dispatch_callbacks(action_name) do
+      @log << action_name
+    end
+    self
+  end
+end
+
+class Parent < GrandParent
+  skip_dispatch_callback :before, :before2, :per_key => {:unless => proc {|c| c.action_name == "update" }}
+  skip_dispatch_callback :after, :after2, :per_key => {:unless => proc {|c| c.action_name == "delete" }}
+end
+
+class Child < GrandParent
+  skip_dispatch_callback :before, :before2, :per_key => {:unless => proc {|c| c.action_name == "update" }}, :if => :state_open?
+  
+  def state_open?
+    @state == :open
+  end
+  
+  def initialize(action_name, state)
+    super(action_name)
+    @state = state
+  end
+end
+
+
+class BasicCallbacksTest < Test::Unit::TestCase
+  def setup
+    @index    = GrandParent.new("index").dispatch
+    @update   = GrandParent.new("update").dispatch
+    @delete   = GrandParent.new("delete").dispatch
+    @unknown  = GrandParent.new("unknown").dispatch
+  end
+  
+  def test_basic_per_key1
+    assert_equal %w(before1 before2 index), @index.log
+  end
+  
+  def test_basic_per_key2
+    assert_equal %w(before1 before2 update after2 after1), @update.log
+  end
+  
+  def test_basic_per_key3
+    assert_equal %w(delete after2 after1), @delete.log
+  end
+end
+
+class InheritedCallbacksTest < Test::Unit::TestCase
+  def setup
+    @index    = Parent.new("index").dispatch
+    @update   = Parent.new("update").dispatch
+    @delete   = Parent.new("delete").dispatch
+    @unknown  = Parent.new("unknown").dispatch
+  end
+  
+  def test_inherited_excluded
+    assert_equal %w(before1 index), @index.log
+  end
+  
+  def test_inherited_not_excluded
+    assert_equal %w(before1 before2 update after1), @update.log
+  end
+  
+  def test_partially_excluded
+    assert_equal %w(delete after2 after1), @delete.log
+  end
+end
+
+class InheritedCallbacksTest2 < Test::Unit::TestCase
+  def setup
+    @update1 = Child.new("update", :open).dispatch
+    @update2 = Child.new("update", :closed).dispatch
+  end
+  
+  def test_crazy_mix_on
+    assert_equal %w(before1 update after2 after1), @update1.log
+  end
+  
+  def test_crazy_mix_off
+    assert_equal %w(before1 before2 update after2 after1), @update2.log
+  end
+end
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