Hooks initial commit.

git-svn-id: http://redmine.rubyforge.org/svn/branches/work@1717 e93f8b46-1217-0410-a6f0-8f06a7374b81

hooks/test/unit/lib/redmine/hook_test.rb

@@ -0,0 +1,105 @@
+# redMine - project management software
+# Copyright (C) 2006-2008  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require File.dirname(__FILE__) + '/../../../test_helper'
+
+class Redmine::Hook::ManagerTest < Test::Unit::TestCase
+
+  # Some fake hooks that are manually registered in these tests
+  class FakeHook
+    include Singleton
+  end
+  
+  class TestHook1 < FakeHook
+    def view_layouts_base_html_head(context)
+      'Test hook 1 listener.'
+    end
+  end
+
+  class TestHook2 < FakeHook
+    def view_layouts_base_html_head(context)
+      'Test hook 2 listener.'
+    end
+  end
+  
+  class TestHook3 < FakeHook
+    def view_layouts_base_html_head(context)
+      "Context keys: #{context.keys.collect(&:to_s).sort.join(', ')}."
+    end
+  end
+  
+  def setup
+    @hook_module = Redmine::Hook
+  end
+  
+  def teardown
+    @hook_module.clear_listeners
+  end
+  
+  def test_sanity
+    assert true
+  end
+  
+  def test_hooks_format
+    assert_kind_of Array, @hook_module.hooks
+    @hook_module.hooks.each do |hook|
+      assert_kind_of Symbol, hook
+      assert_kind_of Array, @hook_module.hook_listeners(hook)
+      assert_equal 0, @hook_module.hook_listeners(hook).length
+    end
+  end
+  
+  def test_valid_hook
+    assert @hook_module.valid_hook?(:view_layouts_base_html_head)
+  end
+  
+  def test_invalid_hook
+    assert !@hook_module.valid_hook?(:an_invalid_hook_name)
+  end
+  
+  def test_clear_listeners
+    assert_equal 0, @hook_module.hook_listeners(:view_layouts_base_html_head).size
+    @hook_module.add_listener(TestHook1)
+    @hook_module.add_listener(TestHook2)
+    assert_equal 2, @hook_module.hook_listeners(:view_layouts_base_html_head).size
+    
+    @hook_module.clear_listeners
+    assert_equal 0, @hook_module.hook_listeners(:view_layouts_base_html_head).size
+  end
+  
+  def test_add_listener
+    assert_equal 0, @hook_module.hook_listeners(:view_layouts_base_html_head).size
+    @hook_module.add_listener(TestHook1)
+    assert_equal 1, @hook_module.hook_listeners(:view_layouts_base_html_head).size
+  end
+  
+  def test_call_hook
+    @hook_module.add_listener(TestHook1)
+    assert_equal 'Test hook 1 listener.', @hook_module.call_hook(:view_layouts_base_html_head)
+  end
+  
+  def test_call_hook_with_context
+    @hook_module.add_listener(TestHook3)
+    assert_equal 'Context keys: bar, foo.', @hook_module.call_hook(:view_layouts_base_html_head, :foo => 1, :bar => 'a')
+  end
+  
+  def test_call_hook_with_multiple_listeners
+    @hook_module.add_listener(TestHook1)
+    @hook_module.add_listener(TestHook2)
+    assert_equal 'Test hook 1 listener.Test hook 2 listener.', @hook_module.call_hook(:view_layouts_base_html_head)
+  end
+end