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# 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.expand_path('../../../../test_helper', __FILE__)

class Redmine::Hook::ManagerTest < ActiveSupport::TestCase

  fixtures :issues

  # Some hooks that are manually registered in these tests

  class TestHook < Redmine::Hook::ViewListener; 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

  class TestLinkToHook < TestHook

    def view_layouts_base_html_head(context)

      link_to('Issues', :controller => 'issues')

    end

  end

  class TestHookHelperController < ActionController::Base

    include Redmine::Hook::Helper

  end

  class TestHookHelperView < ActionView::Base

    include Redmine::Hook::Helper

  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_helper.call_hook(:view_layouts_base_html_head)

  end

  def test_call_hook_with_context

    @hook_module.add_listener(TestHook3)

    assert_equal ['Context keys: bar, controller, foo, project, request.'],

                 hook_helper.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_helper.call_hook(:view_layouts_base_html_head)

  end

  # Context: Redmine::Hook::Helper.call_hook default_url

  def test_call_hook_default_url_options

    @hook_module.add_listener(TestLinkToHook)

    assert_equal ['<a href="/issues">Issues</a>'], hook_helper.call_hook(:view_layouts_base_html_head)

  end

  # Context: Redmine::Hook::Helper.call_hook

  def test_call_hook_with_project_added_to_context

    @hook_module.add_listener(TestHook3)

    assert_match /project/i, hook_helper.call_hook(:view_layouts_base_html_head)[0]

  end

  def test_call_hook_from_controller_with_controller_added_to_context

    @hook_module.add_listener(TestHook3)

    assert_match /controller/i, hook_helper.call_hook(:view_layouts_base_html_head)[0]

  end

  def test_call_hook_from_controller_with_request_added_to_context

    @hook_module.add_listener(TestHook3)

    assert_match /request/i, hook_helper.call_hook(:view_layouts_base_html_head)[0]

  end

  def test_call_hook_from_view_with_project_added_to_context

    @hook_module.add_listener(TestHook3)

    assert_match /project/i, view_hook_helper.call_hook(:view_layouts_base_html_head)

  end

  def test_call_hook_from_view_with_controller_added_to_context

    @hook_module.add_listener(TestHook3)

    assert_match /controller/i, view_hook_helper.call_hook(:view_layouts_base_html_head)

  end

  def test_call_hook_from_view_with_request_added_to_context

    @hook_module.add_listener(TestHook3)

    assert_match /request/i, view_hook_helper.call_hook(:view_layouts_base_html_head)

  end

  def test_call_hook_from_view_should_join_responses_with_a_space

    @hook_module.add_listener(TestHook1)

    @hook_module.add_listener(TestHook2)

    assert_equal 'Test hook 1 listener. Test hook 2 listener.',

                 view_hook_helper.call_hook(:view_layouts_base_html_head)

  end

  def test_call_hook_should_not_change_the_default_url_for_email_notifications

    issue = Issue.find(1)

    ActionMailer::Base.deliveries.clear

    Mailer.deliver_issue_add(issue)

    mail = ActionMailer::Base.deliveries.last

    @hook_module.add_listener(TestLinkToHook)

    hook_helper.call_hook(:view_layouts_base_html_head)

    ActionMailer::Base.deliveries.clear

    Mailer.deliver_issue_add(issue)

    mail2 = ActionMailer::Base.deliveries.last

    assert_equal mail.body, mail2.body

  end

  def hook_helper

    @hook_helper ||= TestHookHelperController.new

  end

  def view_hook_helper

    @view_hook_helper ||= TestHookHelperView.new(RAILS_ROOT + '/app/views')

  end

end