module HasXpathSpec
  shared_examples_for "has_xpath" do  
    describe '#has_xpath?' do
      before do
        @session.visit('/with_html')
      end

      it "should be true if the given selector is on the page" do
        @session.should have_xpath("//p")
        @session.should have_xpath("//p//a[@id='foo']")
        @session.should have_xpath("//p[contains(.,'est')]")
      end

      it "should be false if the given selector is not on the page" do
        @session.should_not have_xpath("//abbr")
        @session.should_not have_xpath("//p//a[@id='doesnotexist']")
        @session.should_not have_xpath("//p[contains(.,'thisstringisnotonpage')]")
      end

      it "should respect scopes" do
        @session.within "//p[@id='first']" do
          @session.should have_xpath("//a[@id='foo']")
          @session.should_not have_xpath("//a[@id='red']")
        end
      end

      context "with count" do
        it "should be true if the content is on the page the given number of times" do
          @session.should have_xpath("//p", :count => 3)
          @session.should have_xpath("//p//a[@id='foo']", :count => 1)
          @session.should have_xpath("//p[contains(.,'est')]", :count => 1)
        end

        it "should be false if the content is on the page the given number of times" do
          @session.should_not have_xpath("//p", :count => 6)
          @session.should_not have_xpath("//p//a[@id='foo']", :count => 2)
          @session.should_not have_xpath("//p[contains(.,'est')]", :count => 5)
        end

        it "should be false if the content isn't on the page at all" do
          @session.should_not have_xpath("//abbr", :count => 2)
          @session.should_not have_xpath("//p//a[@id='doesnotexist']", :count => 1)
        end
      end

      context "with text" do
        it "should discard all matches where the given string is not contained" do
          @session.should have_xpath("//p//a", :text => "Redirect", :count => 1)
          @session.should_not have_xpath("//p", :text => "Doesnotexist")
        end

        it "should discard all matches where the given regexp is not matched" do
          @session.should have_xpath("//p//a", :text => /re[dab]i/i, :count => 1)
          @session.should_not have_xpath("//p//a", :text => /Red$/)
        end
      end
    end

    describe '#has_no_xpath?' do
      before do
        @session.visit('/with_html')
      end

      it "should be false if the given selector is on the page" do
        @session.should_not have_no_xpath("//p")
        @session.should_not have_no_xpath("//p//a[@id='foo']")
        @session.should_not have_no_xpath("//p[contains(.,'est')]")
      end

      it "should be true if the given selector is not on the page" do
        @session.should have_no_xpath("//abbr")
        @session.should have_no_xpath("//p//a[@id='doesnotexist']")
        @session.should have_no_xpath("//p[contains(.,'thisstringisnotonpage')]")
      end

      it "should respect scopes" do
        @session.within "//p[@id='first']" do
          @session.should_not have_no_xpath("//a[@id='foo']")
          @session.should have_no_xpath("//a[@id='red']")
        end
      end

      context "with count" do
        it "should be false if the content is on the page the given number of times" do
          @session.should_not have_no_xpath("//p", :count => 3)
          @session.should_not have_no_xpath("//p//a[@id='foo']", :count => 1)
          @session.should_not have_no_xpath("//p[contains(.,'est')]", :count => 1)
        end

        it "should be true if the content is on the page the wrong number of times" do
          @session.should have_no_xpath("//p", :count => 6)
          @session.should have_no_xpath("//p//a[@id='foo']", :count => 2)
          @session.should have_no_xpath("//p[contains(.,'est')]", :count => 5)
        end

        it "should be true if the content isn't on the page at all" do
          @session.should have_no_xpath("//abbr", :count => 2)
          @session.should have_no_xpath("//p//a[@id='doesnotexist']", :count => 1)
        end
      end

      context "with text" do
        it "should discard all matches where the given string is contained" do
          @session.should_not have_no_xpath("//p//a", :text => "Redirect", :count => 1)
          @session.should have_no_xpath("//p", :text => "Doesnotexist")
        end

        it "should discard all matches where the given regexp is matched" do
          @session.should_not have_no_xpath("//p//a", :text => /re[dab]i/i, :count => 1)
          @session.should have_no_xpath("//p//a", :text => /Red$/)
        end
      end
    end
  end
end