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

    it "should be true if the given selector is on the page" do
      @session.should have_selector(:xpath, "//p")
      @session.should have_selector(:css, "p a#foo")
      @session.should have_selector(:foo)
      @session.should have_selector("//p[contains(.,'est')]")
    end

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

    it "should use default selector" do
      Capybara.default_selector = :css
      @session.should_not have_selector("p a#doesnotexist")
      @session.should have_selector("p a#foo")
    end

    it "should respect scopes" do
      @session.within "//p[@id='first']" do
        @session.should have_selector(".//a[@id='foo']")
        @session.should_not have_selector(".//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_selector("//p", :count => 3)
        @session.should have_selector("//p//a[@id='foo']", :count => 1)
        @session.should have_selector("//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_selector("//p", :count => 6)
        @session.should_not have_selector("//p//a[@id='foo']", :count => 2)
        @session.should_not have_selector("//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_selector("//abbr", :count => 2)
        @session.should_not have_selector("//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_selector("//p//a", :text => "Redirect", :count => 1)
        @session.should_not have_selector("//p", :text => "Doesnotexist")
      end

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

  describe '#has_no_selector?' 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_selector(:xpath, "//p")
      @session.should_not have_no_selector(:css, "p a#foo")
      @session.should_not have_no_selector(:foo)
      @session.should_not have_no_selector("//p[contains(.,'est')]")
    end

    it "should be true if the given selector is not on the page" do
      @session.should have_no_selector(:xpath, "//abbr")
      @session.should have_no_selector(:css, "p a#doesnotexist")
      @session.should have_no_selector(:doesnotexist)
      @session.should have_no_selector("//p[contains(.,'thisstringisnotonpage')]")
    end

    it "should use default selector" do
      Capybara.default_selector = :css
      @session.should have_no_selector("p a#doesnotexist")
      @session.should_not have_no_selector("p a#foo")
    end

    it "should respect scopes" do
      @session.within "//p[@id='first']" do
        @session.should_not have_no_selector(".//a[@id='foo']")
        @session.should have_no_selector(".//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_selector("//p", :count => 3)
        @session.should_not have_no_selector("//p//a[@id='foo']", :count => 1)
        @session.should_not have_no_selector("//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_selector("//p", :count => 6)
        @session.should have_no_selector("//p//a[@id='foo']", :count => 2)
        @session.should have_no_selector("//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_selector("//abbr", :count => 2)
        @session.should have_no_selector("//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_selector("//p//a", :text => "Redirect", :count => 1)
        @session.should have_no_selector("//p", :text => "Doesnotexist")
      end

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