Merged hooks branch @ r1785 into trunk.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1786 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/projects_controller_test.rb

@@ -316,4 +316,23 @@ class ProjectsControllerTest < Test::Unit::TestCase
       end
     end
   end
+  
+  # A hook that is manually registered later
+  class ProjectBasedTemplate < Redmine::Hook::ViewListener
+    def view_layouts_base_html_head(context)
+      # Adds a project stylesheet
+      stylesheet_link_tag(context[:project].identifier) if context[:project]
+    end
+  end
+  # Don't use this hook now
+  Redmine::Hook.clear_listeners
+  
+  def test_hook_response
+    Redmine::Hook.add_listener(ProjectBasedTemplate)
+    get :show, :id => 1
+    assert_tag :tag => 'link', :attributes => {:href => '/stylesheets/ecookbook.css'},
+                               :parent => {:tag => 'head'}
+    
+    Redmine::Hook.clear_listeners
+  end
 end

test/unit/lib/redmine/hook_test.rb

@@ -0,0 +1,83 @@
+# 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 hooks that are manually registered in these tests
+  class TestHook < Redmine::Hook::Listener; end
+  
+  class TestHook1 < TestHook
+    def view_layouts_base_html_head(context)
+      'Test hook 1 listener.'
+    end
+  end
+
+  class TestHook2 < TestHook
+    def view_layouts_base_html_head(context)
+      'Test hook 2 listener.'
+    end
+  end
+  
+  class TestHook3 < TestHook
+    def view_layouts_base_html_head(context)
+      "Context keys: #{context.keys.collect(&:to_s).sort.join(', ')}."
+    end
+  end
+  Redmine::Hook.clear_listeners
+  
+  def setup
+    @hook_module = Redmine::Hook
+  end
+  
+  def teardown
+    @hook_module.clear_listeners
+  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