pages_controller_spec.rb

require File.dirname(__FILE__) + '/../../spec_helper'

describe Admin::PagesController do
  dataset :users, :pages

  before :each do
    login_as :existing
  end

  it "should route children to the pages controller" do
    route_for(:controller => "admin/pages", :page_id => '1',
      :action => "index").should == '/admin/pages/1/children'
    route_for(:controller => "admin/pages", :page_id => '1',
      :action => 'new').should == '/admin/pages/1/children/new'
  end

  describe "show" do
    it "should redirect to the edit action" do
      get :show, :id => 1
      response.should redirect_to(edit_admin_page_path(params[:id]))
    end

    it "should show xml when format is xml" do
      page = Page.first
      get :show, :id => page.id, :format => "xml"
      response.body.should == page.to_xml
    end
  end

  describe "with invalid page id" do
    [:edit, :remove].each do |action|
      before do
        @parameters = {:id => 999}
      end
      it "should redirect the #{action} action to the index action" do
        get action, @parameters
        response.should redirect_to(admin_pages_path)
      end
      it "should say that the 'Page could not be found.' after the #{action} action" do
        get action, @parameters
        flash[:notice].should == 'Page could not be found.'
      end
    end
    it 'should redirect the update action to the index action' do
      put :update, @parameters
      response.should redirect_to(admin_pages_path)
    end
    it "should say that the 'Page could not be found.' after the update action" do
      put :update, @parameters
      flash[:notice].should == 'Page could not be found.'
    end
    it 'should redirect the destroy action to the index action' do
      delete :destroy, @parameters
      response.should redirect_to(admin_pages_path)
    end
    it "should say that the 'Page could not be found.' after the destroy action" do
      delete :destroy, @parameters
      flash[:notice].should == 'Page could not be found.'
    end
  end

  describe "viewing the sitemap" do
    integrate_views

    it "should render when the homepage is present" do
      get :index
      response.should be_success
      assigns(:homepage).should be_kind_of(Page)
      response.should render_template('index')
    end

    it "should allow the index to render even with there are no pages" do
      Page.delete_all; PagePart.delete_all
      get :index
      response.should be_success
      assigns(:homepage).should be_nil
      response.should render_template('index')
    end

    it "should show the tree partially expanded by default" do
      get :index
      response.should be_success
      assert_rendered_nodes_where { |page| [nil, page_id(:home)].include?(page.parent_id) }
    end

    it "should show the tree partially expanded even when the expanded_rows cookie is empty" do
      write_cookie('expanded_rows', '')
      get :index
      response.should be_success
      cookies['expanded_rows'].should be_nil
      assert_rendered_nodes_where { |page| [nil, page_id(:home)].include?(page.parent_id) }
    end

    it "should show the tree partially expanded according to the expanded_rows cookie" do
      cookie = "#{page_id(:home)},#{page_id(:parent)},#{page_id(:child)}"
      write_cookie('expanded_rows', cookie)
      get :index
      response.should be_success
      assert_rendered_nodes_where { |page| [nil, page_id(:home), page_id(:parent), page_id(:child)].include?(page.parent_id) }
    end

    it "should show the tree with a mangled cookie" do
      cookie = "#{page_id(:home)},#{page_id(:parent)},:#*)&},9a,,,"
      write_cookie('expanded_rows', cookie)
      get :index
      response.should be_success
      assert_rendered_nodes_where { |page| [nil, page_id(:home), page_id(:parent)].include?(page.parent_id) }
      assigns(:homepage).should_not be_nil
    end

    it "should render the appropriate children when branch of the site map is expanded via AJAX" do
      xml_http_request :get, :index, :page_id => page_id(:home), :level => '1'
      response.should be_success
      assigns(:level).should == 1
      response.body.should_not have_text('<head>')
      response.content_type.should == 'text/html'
      response.charset.should == 'utf-8'
    end
  end

  describe "permissions" do

    [:admin, :designer, :non_admin, :existing].each do |user|
      {
        :post => :create,
        :put => :update,
        :delete => :destroy
      }.each do |method, action|
        it "should require login to access the #{action} action" do
          logout
          send method, action, :id => Page.first.id
          response.should redirect_to('/admin/login')
        end

        it "should allow access to #{user.to_s.humanize}s for the #{action} action" do
          login_as user
          controller.should_receive(:paginated?).and_return(false)
          send method, action, :id => Page.first.id
          response.should redirect_to('http://test.host/admin/pages')
        end
      end
    end

    [:index, :show, :new, :edit, :remove].each do |action|
      before :each do
        @parameters = lambda do
          case action
          when :index
            {}
          when :new
            {:page_id => page_id(:home)}
          else
            {:id => Page.first.id}
          end
        end
      end

      it "should require login to access the #{action} action" do
        logout
        lambda { send(:get, action, @parameters.call) }.should require_login
      end

      if action == :show
        it "should request authentication for API access on show" do
          logout
          get action, :id => page_id(:home), :format => "xml"
          response.response_code.should == 401
        end
      else
        it "should allow access to admins for the #{action} action" do
          lambda {
            send(:get, action, @parameters.call)
          }.should restrict_access(:allow => [users(:admin)],
                                   :url => '/admin/pages')
        end

        it "should allow access to designers for the #{action} action" do
          lambda {
            send(:get, action, @parameters.call)
          }.should restrict_access(:allow => [users(:designer)],
                                   :url => '/admin/pages')
        end

        it "should allow non-designers and non-admins for the #{action} action" do
          lambda {
            send(:get, action, @parameters.call)
          }.should restrict_access(:allow => [users(:non_admin), users(:existing)],
                                   :url => '/admin/pages')
        end
      end
    end
  end

  describe '#preview' do
    
    let(:preview_page){ pages(:home) }
    let(:body_id){ preview_page.part('body').id }
    let(:preview_params){ 
      {'page' => { 
        'title' => 'BOGUS',
        'id' => preview_page.id.to_s, 
        'parts_attributes' => [{'content' => 'TEST', 'id' => body_id.to_s}] } } 
    }
    it 'should render the page with changes' do
      request.stub!(:referer).and_return("/admin/pages/#{preview_page.id}/edit")
      post :preview, preview_params
      response.body.should eql('TEST')
    end

    describe 'new child' do
      it 'should not save any changes' do
        page_count = Page.count
        request.stub!(:referer).and_return("/admin/pages/#{preview_page.id}/edit")
        post :preview, preview_params
        Page.count.should == page_count
      end
    end
    # TODO: transactional fixtures must be turned off for this to be able to test the transactions properly
    # describe 'edit existing page' do
    #   it 'should not save any changes' do
    #     request.stub!(:referer).and_return("/admin/pages/#{preview_page.id}/edit")
    #     original_date = preview_page.updated_at
    #     put :preview, preview_params
    #     non_updated_page = Page.find(preview_page.id)
    #     non_updated_page.title.should_not == 'BOGUS'
    #     non_updated_page.updated_at.to_i.should == original_date.to_i
    #   end
    # end
  end

  describe "prompting page removal" do
    integrate_views

    # TODO: This should be in a view or integration spec
    it "should render the expanded descendants of the page being removed" do
      get :remove, :id => page_id(:parent), :format => 'html' # shouldn't need this!
      rendered_pages = [:parent, :child, :grandchild, :great_grandchild, :child_2, :child_3].map {|p| pages(p) }
      rendered_pages.each do |page|
        response.should have_tag("tr#page_#{page.id}")
      end
    end
  end

  describe '#new' do
    it "should initialize meta and buttons_partials in new action" do
      get :new, :page_id => page_id(:home)
      response.should be_success
      assigns(:meta).should be_kind_of(Array)
      assigns(:buttons_partials).should be_kind_of(Array)
    end
  
    it "should set the parent_id from the parameters" do
      get :new, :page_id => page_id(:home)
      assigns(:page).parent_id.should == page_id(:home)
    end
  
    it "should set the @page variable" do
      home = pages(:home)
      new_page = home.class.new_with_defaults
      new_page.parent_id = home.id
      Page.stub!(:new_with_defaults).and_return(new_page)
      get :new, :page_id => home.id
      assigns(:page).should == new_page
    end

     it "should create a page based on the given param" do
       get :new, :page_id => page_id(:home), :page_class => 'FileNotFoundPage'
       assigns(:page).should be_a(FileNotFoundPage)
     end

     it "should gracefully handle bogus page params" do
       get :new, :page_id => page_id(:home), :page_class => 'BogusPage'
       assigns(:page).should be_a(Page)
     end

     it "should instantiate a new page of the given class" do
       PagesControllerSpecPage = Class.new(Page)
       PagesControllerSpecPage.stub!(:default_page_parts).and_return(PagePart.new :name => "my_part")
       get :new, :page_id => page_id(:home), :page_class => 'PagesControllerSpecPage'
       assigns(:page).parts.map(&:name).should include('my_part')
     end
  end

  describe '#update' do
    it 'should update the page updated_at on every update' do
      start_updated_at = pages(:home).updated_at
      put :update, :id => page_id(:home), :page => {:breadcrumb => 'Homepage'} and sleep(1)
      next_updated_at = pages(:home).updated_at
      lambda{ start_updated_at <=> next_updated_at }.should be_true
      put :update, :id => page_id(:home), :page => {:breadcrumb => 'Homepage'} and sleep(1)
      final_updated_at = pages(:home).updated_at
      lambda{ next_updated_at <=> final_updated_at }.should be_true
    end
  end
  
  it "should initialize meta and buttons_partials in edit action" do
    get :edit, :id => page_id(:home)
    response.should be_success
    assigns(:meta).should be_kind_of(Array)
    assigns(:buttons_partials).should be_kind_of(Array)
  end

  it "should clear the page cache when saved" do
    Radiant::Cache.should_receive(:clear)
    put :update, :id => page_id(:home), :page => {:breadcrumb => 'Homepage'}
  end

  describe "@body_classes" do
    it "should return 'reversed' when the action_name is 'new'" do
      get :new
      assigns[:body_classes].should == ['reversed']
    end
    it "should return 'reversed' when the action_name is 'edit'" do
      get :edit, :id => 1
      assigns[:body_classes].should == ['reversed']
    end
    it "should return 'reversed' when the action_name is 'create'" do
      post :create
      assigns[:body_classes].should == ['reversed']
    end
    it "should return 'reversed' when the action_name is 'update'" do
      put :update, :id => 1
      assigns[:body_classes].should == ['reversed']
    end
  end

  protected

    def assert_rendered_nodes_where(&block)
      wanted, unwanted = Page.find(:all).partition(&block)
      wanted.each do |page|
        response.should have_tag("tr[id=page_#{page.id}]")
      end
      unwanted.each do |page|
        response.should_not have_tag("tr[id=page_#{page.id}]")
      end
    end

    def write_cookie(name, value)
      request.cookies[name] = value
    end
end