Added inverse of has_*? methods: has_no_*?

lib/capybara/searchable.rb

@@ -4,9 +4,13 @@ module Capybara
       has_xpath?(XPath.content(content).to_s)
     end
 
+    def has_no_content?(content)
+      !has_content?(content)
+    end
+
     def has_xpath?(path, options={})
       results = all(path, options)
-      
+
       if options[:count]
         results.size == options[:count]
       else
@@ -14,14 +18,22 @@ module Capybara
       end
     end
 
+    def has_no_xpath?(path, options={})
+      !has_xpath?(path, options)
+    end
+
     def has_css?(path, options={})
       has_xpath?(XPath.from_css(path), options)
     end
 
+    def has_no_css?(path, options={})
+      !has_css?(path, options)
+    end
+
     def find(locator, options = {})
       all(locator, options).first
     end
-     
+
     def find_field(locator)
       find(XPath.field(locator))
     end
@@ -34,30 +46,30 @@ module Capybara
     def find_button(locator)
       find(XPath.button(locator))
     end
-    
-    def find_by_id(id) 
+
+    def find_by_id(id)
       find(Xpath.for_css("##{id}"))
     end
 
     def all(locator, options = {})
       results = all_unfiltered(locator)
-      
+
       if options[:text]
         results = results.select { |n| n.text.match(options[:text]) }
       end
-      
+
       if options[:visible] == true
         results.reject! { |n| !n.visible? }
       end
-      
+
       results
     end
-    
+
     private
-    
+
     def all_unfiltered(locator)
       raise "Must be overridden"
     end
 
   end
-end
+end

spec/dsl/has_content_spec.rb

@@ -49,5 +49,55 @@ module HasContentSpec
         @session.should have_content(%q{"you can't do that."})
       end
     end
+
+    describe '#has_no_content?' do
+      it "should be false if the given content is on the page at least once" do
+        @session.visit('/with_html')
+        @session.should_not have_no_content('est')
+        @session.should_not have_no_content('Lorem')
+        @session.should_not have_no_content('Redirect')
+      end
+
+      it "should be false if scoped to an element which has the content" do
+        @session.visit('/with_html')
+        @session.within("//a[@title='awesome title']") do
+          @session.should_not have_no_content('labore')
+        end
+      end
+
+      it "should be true if scoped to an element which does not have the content" do
+        @session.visit('/with_html')
+        @session.within("//a[@title='awesome title']") do
+          @session.should have_no_content('monkey')
+        end
+      end
+
+      it "should ignore tags" do
+        @session.visit('/with_html')
+        @session.should have_no_content('exercitation <a href="/foo" id="foo">ullamco</a> laboris')
+        @session.should_not have_no_content('exercitation ullamco laboris')
+      end
+
+      it "should be true if the given content is not on the page" do
+        @session.visit('/with_html')
+        @session.should have_no_content('xxxxyzzz')
+        @session.should have_no_content('monkey')
+      end
+
+      it 'should handle single quotes in the content' do
+        @session.visit('/with-quotes')
+        @session.should_not have_no_content("can't")
+      end
+
+      it 'should handle double quotes in the content' do
+        @session.visit('/with-quotes')
+        @session.should_not have_no_content(%q{"No," he said})
+      end
+
+      it 'should handle mixed single and double quotes in the content' do
+        @session.visit('/with-quotes')
+        @session.should_not have_no_content(%q{"you can't do that."})
+      end
+    end
   end
 end

spec/dsl/has_css_spec.rb

@@ -52,5 +52,58 @@ module HasCssSpec
         end
       end
     end
+
+    describe '#has_no_css?' 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_css("p")
+        @session.should_not have_no_css("p a#foo")
+      end
+
+      it "should be true if the given selector is not on the page" do
+        @session.should have_no_css("abbr")
+        @session.should have_no_css("p a#doesnotexist")
+        @session.should have_no_css("p.nosuchclass")
+      end
+
+      it "should respect scopes" do
+        @session.within "//p[@id='first']" do
+          @session.should_not have_no_css("a#foo")
+          @session.should have_no_css("a#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_css("p", :count => 3)
+          @session.should_not have_no_css("p a#foo", :count => 1)
+        end
+
+        it "should be true if the content is on the page the given number of times" do
+          @session.should have_no_css("p", :count => 6)
+          @session.should have_no_css("p a#foo", :count => 2)
+        end
+
+        it "should be true if the content isn't on the page at all" do
+          @session.should have_no_css("abbr", :count => 2)
+          @session.should have_no_css("p a.doesnotexist", :count => 1)
+        end
+      end
+
+      context "with text" do
+        it "should discard all matches where the given string is not contained" do
+          @session.should_not have_no_css("p a", :text => "Redirect", :count => 1)
+          @session.should have_no_css("p a", :text => "Doesnotexist")
+        end
+
+        it "should discard all matches where the given regexp is not matched" do
+          @session.should_not have_no_css("p a", :text => /re[dab]i/i, :count => 1)
+          @session.should have_no_css("p a", :text => /Red$/)
+        end
+      end
+    end
   end
 end

spec/dsl/has_xpath_spec.rb

@@ -55,5 +55,61 @@ module HasXpathSpec
         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