#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# 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.
#
# See doc/COPYRIGHT.rdoc for more details.
#++
require File.expand_path('../../test_helper', __FILE__)
require 'wiki_controller'

# Re-raise errors caught by the controller.
class WikiController; def rescue_action(e) raise e end; end

class WikiControllerTest < ActionController::TestCase
  fixtures :all

  def setup
    super
    @controller = WikiController.new
    @request    = ActionController::TestRequest.new
    @response   = ActionController::TestResponse.new
    User.current = nil
  end

  def wiki
    Project.first.wiki
  end

  def redirect_page
    wiki.find_page(wiki.start_page) || wiki.pages.first
  end

  def test_show_start_page
    get :show, project_id: 'ecookbook'
    assert_response :success
    assert_template 'show'
    assert_tag tag: 'h1', content: /CookBook documentation/

    # child_pages macro
    assert_tag :ul, attributes: { class: 'pages-hierarchy' },
                    child: { tag: 'li',
                             child: { tag: 'a', attributes: { href: '/projects/ecookbook/wiki/Page_with_an_inline_image' },
                                      content: 'Page with an inline image' } }
  end

  def test_show_page_with_name
    get :show, project_id: 1, id: 'Another_page'
    assert_response :success
    assert_template 'show'
    assert_tag tag: 'h1', content: /Another page/
    # Included page with an inline image
    assert_tag tag: 'p', content: /This is an inline image/
    assert_tag tag: 'img', attributes: { src: '/attachments/3/download',
                                         alt: 'This is a logo' }
  end

  def test_show_with_sidebar
    page = Project.find(1).wiki.pages.new(title: 'Sidebar')
    page.content = WikiContent.new(text: 'Side bar content for test_show_with_sidebar')
    page.save!

    get :show, project_id: 1, id: 'Another_page'
    assert_response :success
    assert_tag tag: 'div', attributes: { id: 'sidebar' },
               content: /Side bar content for test_show_with_sidebar/
  end

  def test_show_unexistent_page_without_edit_right
    get :show, project_id: 1, id: 'Unexistent page'
    assert_response 404
  end

  def test_show_unexistent_page_with_edit_right
    @request.session[:user_id] = 2
    get :show, project_id: 1, id: 'Unexistent page'
    assert_response :success
    assert_template 'edit'
  end

  def test_create_page
    @request.session[:user_id] = 2
    put :update, project_id: 1,
                 id: 'New page',
                 content: { comments: 'Created the page',
                            text: "h1. New page\n\nThis is a new page" }
    assert_redirected_to action: 'show', project_id: 'ecookbook', id: 'New_page'
    page = wiki.find_page('New page')
    assert !page.new_record?
    assert_not_nil page.content
    assert_equal 'Created the page', page.content.last_journal.notes
  end

  def test_create_page_with_attachments
    @request.session[:user_id] = 2
    assert_difference 'WikiPage.count' do
      assert_difference 'Attachment.count' do
        put :update, project_id: 1,
                     id: 'New page',
                     content: { comments: 'Created the page',
                                text: "h1. New page\n\nThis is a new page",
                                lock_version: 0 },
                     attachments: { '1' => { 'file' => uploaded_test_file('testfile.txt', 'text/plain') } }
      end
    end
    page = wiki.find_page('New page')
    assert_equal 1, page.attachments.count
    assert_equal 'testfile.txt', page.attachments.first.filename
  end

  def test_update_page
    page = Wiki.find(1).pages.find_by_title('Another_page')
    page.content.recreate_initial_journal!

    @request.session[:user_id] = 2
    assert_no_difference 'WikiPage.count' do
      assert_no_difference 'WikiContent.count' do
        assert_difference 'Journal.count' do
          put :update, project_id: 1,
                       id: 'Another_page',
                       content: {
                         comments: 'my comments',
                         text: 'edited',
                         lock_version: 2
                       }
        end
      end
    end
    assert_redirected_to '/projects/ecookbook/wiki/Another_page'

    page.reload
    assert_equal 'edited', page.content.text
    assert_equal page.content.journals.map(&:version).max, page.content.version
    assert_equal 'my comments', page.content.last_journal.notes
  end

  def test_update_page_with_failure
    @request.session[:user_id] = 2
    assert_no_difference 'WikiPage.count' do
      assert_no_difference 'WikiContent.count' do
        assert_no_difference 'Journal.count' do
          put :update, project_id: 1,
                       id: 'Another_page',
                       content: {
                         comments: 'a' * 300,  # failure here, comment is too long
                         text: 'edited',
                         lock_version: 1
                       }
        end
      end
    end
    assert_response :success
    assert_template 'edit'

    assert_error_tag descendant: { content: /Comment is too long/ }
    assert_tag tag: 'textarea', attributes: { id: 'content_text' }, content: /edited/
    assert_tag tag: 'input', attributes: { id: 'content_lock_version', value: '1' }
  end

  # NOTE: this test seems to depend on other tests in suite
  # because running whole suite is fine, but running only this test
  # results in failure
  def test_update_stale_page_should_not_raise_an_error
    journal = FactoryGirl.create :wiki_content_journal,
                                 journable_id: 2,
                                 version: 1,
                                 data: FactoryGirl.build(:journal_wiki_content_journal,
                                                         text: "h1. Another page\n\n\nthis is a link to ticket: #2")
    @request.session[:user_id] = 2
    c = Wiki.find(1).find_page('Another_page').content
    c.text = 'Previous text'
    c.save!
    assert_equal 2, c.version

    assert_no_difference 'WikiPage.count' do
      assert_no_difference 'WikiContent.count' do
        assert_no_difference 'Journal.count' do
          put :update, project_id: 1,
                       id: 'Another_page',
                       content: {
                         comments: 'My comments',
                         text: 'Text should not be lost',
                         lock_version: 1
                       }
        end
      end
    end
    assert_response :success
    assert_template 'edit'
    assert_tag :div,
               attributes: { class: /error/ },
               content: /Information has been updated by at least one other user in the meantime/
    assert_tag 'textarea',
               attributes: { name: 'content[text]' },
               content: /Text should not be lost/
    assert_tag 'input',
               attributes: { name: 'content[comments]', value: 'My comments' }

    c.reload
    assert_equal 'Previous text', c.text
    assert_equal 2, c.version
  end

  def test_history
    FactoryGirl.create :wiki_content_journal,
                       journable_id: 1,
                       data: FactoryGirl.build(:journal_wiki_content_journal,
                                               text: 'h1. CookBook documentation')
    FactoryGirl.create :wiki_content_journal,
                       journable_id: 1,
                       data: FactoryGirl.build(:journal_wiki_content_journal,
                                               text: "h1. CookBook documentation\n\n\nSome updated [[documentation]] here...")
    FactoryGirl.create :wiki_content_journal,
                       journable_id: 1,
                       data: FactoryGirl.build(:journal_wiki_content_journal,
                                               text: "h1. CookBook documentation\nSome updated [[documentation]] here...")

    get :history, project_id: 1, id: 'CookBook_documentation'
    assert_response :success
    assert_template 'history'
    assert_not_nil assigns(:versions)
    assert_equal 3, assigns(:versions).size
    assert_select 'input[type=submit][name=commit]'
  end

  def test_history_with_one_version
    FactoryGirl.create :wiki_content_journal,
                       journable_id: 2,
                       data: FactoryGirl.build(:journal_wiki_content_journal,
                                               text: "h1. Another page\n\n\nthis is a link to ticket: #2")
    get :history, project_id: 1, id: 'Another_page'
    assert_response :success
    assert_template 'history'
    assert_not_nil assigns(:versions)
    assert_equal 1, assigns(:versions).size
    assert_select 'input[type=submit][name=commit]', false
  end

  def test_diff
    journal_from = FactoryGirl.create :wiki_content_journal,
                                      journable_id: 1,
                                      data: FactoryGirl.build(:journal_wiki_content_journal,
                                                              text: 'h1. CookBook documentation')
    journal_to = FactoryGirl.create :wiki_content_journal,
                                    journable_id: 1,
                                    data: FactoryGirl.build(:journal_wiki_content_journal,
                                                            text: "h1. CookBook documentation\n\n\nSome updated [[documentation]] here...")

    get :diff, project_id: 1, id: 'CookBook_documentation', version: journal_to.version, version_from: journal_from.version
    assert_response :success
    assert_template 'diff'
    assert_tag tag: 'ins', attributes: { class: 'diffins' },
               content: /updated/
  end

  def test_annotate
    FactoryGirl.create :wiki_content_journal,
                       journable_id: 1,
                       data: FactoryGirl.build(:journal_wiki_content_journal,
                                               text: 'h1. CookBook documentation')
    journal_to = FactoryGirl.create :wiki_content_journal,
                                    journable_id: 1,
                                    data: FactoryGirl.build(:journal_wiki_content_journal,
                                                            text: "h1. CookBook documentation\n\n\nSome [[documentation]] here...")

    get :annotate, project_id: 1, id:  'CookBook_documentation', version: journal_to.version
    assert_response :success
    assert_template 'annotate'
    # Line 1
    assert_tag tag: 'tr', child: { tag: 'th', attributes: { class: 'line-num' }, content: '1' },
               child: { tag: 'td', attributes: { class: 'author' }, content: /John Smith/ },
               child: { tag: 'td', content: /h1\. CookBook documentation/ }
    # Line 2
    assert_tag tag: 'tr', child: { tag: 'th', attributes: { class: 'line-num' }, content: '2' },
               child: { tag: 'td', attributes: { class: 'author' }, content: /redMine Admin/ },
               child: { tag: 'td', content: /Some updated \[\[documentation\]\] here/ }
  end

  def test_get_rename
    @request.session[:user_id] = 2
    get :rename, project_id: 1, id: 'Another_page'
    assert_response :success
    assert_template 'rename'
  end

  def test_get_rename_child_page
    @request.session[:user_id] = 2
    get :rename, project_id: 1, id: 'Child_1'
    assert_response :success
    assert_template 'rename'
  end

  def test_rename_with_redirect
    @request.session[:user_id] = 2
    put :rename, project_id: 1, id: 'Another_page',
                 page: { title: 'Another renamed page',
                         redirect_existing_links: 1 }
    assert_redirected_to action: 'show', project_id: 'ecookbook', id: 'Another_renamed_page'
    # Check redirects
    assert_not_nil wiki.find_page('Another page')
    assert_nil wiki.find_page('Another page', with_redirect: false)
  end

  def test_rename_without_redirect
    @request.session[:user_id] = 2
    put :rename, project_id: 1, id: 'Another_page',
                 page: { title: 'Another renamed page',
                         redirect_existing_links: '0' }
    assert_redirected_to action: 'show', project_id: 'ecookbook', id: 'Another_renamed_page'
    # Check that there's no redirects
    assert_nil wiki.find_page('Another page')
  end

  def test_destroy_child
    @request.session[:user_id] = 2
    delete :destroy, project_id: 1, id: 'Child_1'
    assert_redirected_to action: 'index', project_id: 'ecookbook', id: redirect_page
  end

  def test_destroy_parent
    @request.session[:user_id] = 2
    assert_no_difference('WikiPage.count') do
      delete :destroy, project_id: 1, id: 'Another_page'
    end
    assert_response :success
    assert_template 'destroy'
  end

  def test_destroy_parent_with_nullify
    @request.session[:user_id] = 2
    assert_difference('WikiPage.count', -1) do
      delete :destroy, project_id: 1, id: 'Another_page', todo: 'nullify'
    end
    assert_redirected_to action: 'index', project_id: 'ecookbook', id: redirect_page
    assert_nil WikiPage.find_by_id(2)
  end

  def test_destroy_parent_with_cascade
    @request.session[:user_id] = 2
    assert_difference('WikiPage.count', -3) do
      delete :destroy, project_id: 1, id: 'Another_page', todo: 'destroy'
    end
    assert_redirected_to action: 'index', project_id: 'ecookbook', id: redirect_page
    assert_nil WikiPage.find_by_id(2)
    assert_nil WikiPage.find_by_id(5)
  end

  def test_destroy_parent_with_reassign
    @request.session[:user_id] = 2
    assert_difference('WikiPage.count', -1) do
      delete :destroy, project_id: 1, id: 'Another_page', todo: 'reassign', reassign_to_id: 1
    end
    assert_redirected_to action: 'index', project_id: 'ecookbook', id: redirect_page
    assert_nil WikiPage.find_by_id(2)
    assert_equal WikiPage.find(1), WikiPage.find_by_id(5).parent
  end

  def test_index
    get :index, project_id: 'ecookbook'
    assert_response :success
    assert_template 'index'
    pages = assigns(:pages)
    assert_not_nil pages
    assert_equal wiki.pages.size, pages.size
    assert_equal pages.first.content.updated_on, pages.first.updated_on

    assert_tag :ul, attributes: { class: 'pages-hierarchy' },
                    child: { tag: 'li', child: { tag: 'a', attributes: { href: '/projects/ecookbook/wiki/CookBook_documentation' },
                                                 content: 'CookBook documentation' },
                             child: { tag: 'ul',
                                      child: { tag: 'li',
                                               child: { tag: 'a', attributes: { href: '/projects/ecookbook/wiki/Page_with_an_inline_image' },
                                                        content: 'Page with an inline image' } } } },
                    child: { tag: 'li', child: { tag: 'a', attributes: { href: '/projects/ecookbook/wiki/Another_page' },
                                                 content: 'Another page' } }
  end

  def test_index_should_include_atom_link
    get :index, project_id: 'ecookbook'
    assert_tag 'a', attributes: { href: '/projects/ecookbook/activity.atom?show_wiki_edits=1' }
  end

  context 'GET :export' do
    context 'with an authorized user to export the wiki' do
      setup do
        @request.session[:user_id] = 2
        get :export, project_id: 'ecookbook'
      end

      should respond_with :success
      should_assign_to :pages
      should_respond_with_content_type 'text/html'
      should 'export all of the wiki pages to a single html file' do
        assert_select 'a[name=?]', 'CookBook_documentation'
        assert_select 'a[name=?]', 'Another_page'
        assert_select 'a[name=?]', 'Page_with_an_inline_image'
      end
    end

    context 'with an unauthorized user' do
      setup do
        get :export, project_id: 'ecookbook'

        should respond_with :redirect
        should redirect_to('wiki index') { { action: 'show', project_id: @project, id: nil } }
      end
    end
  end

  context 'GET :date_index' do
    setup do
      get :date_index, project_id: 'ecookbook'
    end

    should respond_with :success
    should_assign_to :pages
    should_assign_to :pages_by_date
    should render_template 'wiki/date_index'

    should 'include atom link' do
      assert_tag 'a', attributes: { href: '/projects/ecookbook/activity.atom?show_wiki_edits=1' }
    end
  end

  def test_not_found
    get :show, project_id: 999
    assert_response 404
  end

  def test_protect_page
    page = WikiPage.find_by_wiki_id_and_title(1, 'Another_page')
    assert !page.protected?
    @request.session[:user_id] = 2
    post :protect, project_id: 1, id: page.title, protected: '1'
    assert_redirected_to action: 'show', project_id: 'ecookbook', id: 'Another_page'
    assert page.reload.protected?
  end

  def test_unprotect_page
    page = WikiPage.find_by_wiki_id_and_title(1, 'CookBook_documentation')
    assert page.protected?
    @request.session[:user_id] = 2
    post :protect, project_id: 1, id: page.title, protected: '0'
    assert_redirected_to action: 'show', project_id: 'ecookbook', id: 'CookBook_documentation'
    assert !page.reload.protected?
  end

  def test_show_page_with_edit_link
    @request.session[:user_id] = 2
    get :show, project_id: 1
    assert_response :success
    assert_template 'show'
    assert_tag tag: 'a', attributes: { href: '/projects/1/wiki/CookBook_documentation/edit' }
  end

  def test_show_page_without_edit_link
    @request.session[:user_id] = 4
    get :show, project_id: 1
    assert_response :success
    assert_template 'show'
    assert_no_tag tag: 'a', attributes: { href: '/projects/1/wiki/CookBook_documentation/edit' }
  end

  def test_edit_unprotected_page
    # Non members can edit unprotected wiki pages
    @request.session[:user_id] = 4
    get :edit, project_id: 1, id: 'Another_page'
    assert_response :success
    assert_template 'edit'
  end

  def test_edit_protected_page_by_nonmember
    # Non members can't edit protected wiki pages
    @request.session[:user_id] = 4
    get :edit, project_id: 1, id: 'CookBook_documentation'
    assert_response 403
  end

  def test_edit_protected_page_by_member
    @request.session[:user_id] = 2
    get :edit, project_id: 1, id: 'CookBook_documentation'
    assert_response :success
    assert_template 'edit'
  end

  def test_history_of_non_existing_page_should_return_404
    get :history, project_id: 1, id: 'Unknown_page'
    assert_response 404
  end
end