added rspec-rails for view method specs

spec/rspec-rails/assert_select.rb

@@ -0,0 +1,130 @@
+# This is a wrapper of assert_select for rspec.
+
+module Spec # :nodoc:
+  module Rails
+    module Matchers
+
+      class AssertSelect #:nodoc:
+
+        def initialize(assertion, spec_scope, *args, &block)
+          @assertion = assertion
+          @spec_scope = spec_scope
+          @args = args
+          @block = block
+        end
+        
+        def matches?(response_or_text, &block)
+          if ActionController::TestResponse === response_or_text and
+                   response_or_text.headers.key?('Content-Type') and
+                   response_or_text.headers['Content-Type'].to_sym == :xml
+            @args.unshift(HTML::Document.new(response_or_text.body, false, true).root)           
+          elsif String === response_or_text
+            @args.unshift(HTML::Document.new(response_or_text).root)
+          end
+          @block = block if block
+          begin
+            @spec_scope.send(@assertion, *@args, &@block)
+          rescue ::Test::Unit::AssertionFailedError => @error
+          end
+          
+          @error.nil?
+        end
+
+        def failure_message; @error.message; end
+        def negative_failure_message; "should not #{description}, but did"; end
+
+        def description
+          {
+            :assert_select => "have tag#{format_args(*@args)}",
+            :assert_select_email => "send email#{format_args(*@args)}",
+          }[@assertion]
+        end
+
+      private
+
+        def format_args(*args)
+          return "" if args.empty?
+          return "(#{arg_list(*args)})"
+        end
+
+        def arg_list(*args)
+          args.collect do |arg|
+            arg.respond_to?(:description) ? arg.description : arg.inspect
+          end.join(", ")
+        end
+        
+      end
+      
+      # :call-seq:
+      #   response.should have_tag(*args, &block)
+      #   string.should have_tag(*args, &block)
+      #
+      # wrapper for assert_select with additional support for using
+      # css selectors to set expectation on Strings. Use this in
+      # helper specs, for example, to set expectations on the results
+      # of helper methods.
+      #
+      # == Examples
+      #
+      #   # in a controller spec
+      #   response.should have_tag("div", "some text")
+      #
+      #   # in a helper spec (person_address_tag is a method in the helper)
+      #   person_address_tag.should have_tag("input#person_address")
+      #
+      # see documentation for assert_select at http://api.rubyonrails.org/
+      def have_tag(*args, &block)
+        AssertSelect.new(:assert_select, self, *args, &block)
+      end
+    
+      # wrapper for a nested assert_select
+      #
+      #   response.should have_tag("div#form") do
+      #     with_tag("input#person_name[name=?]", "person[name]")
+      #   end
+      #
+      # see documentation for assert_select at http://api.rubyonrails.org/
+      def with_tag(*args, &block)
+        should have_tag(*args, &block)
+      end
+    
+      # wrapper for a nested assert_select with false
+      #
+      #   response.should have_tag("div#1") do
+      #     without_tag("span", "some text that shouldn't be there")
+      #   end
+      #
+      # see documentation for assert_select at http://api.rubyonrails.org/
+      def without_tag(*args, &block)
+        should_not have_tag(*args, &block)
+      end
+    
+      # :call-seq:
+      #   response.should have_rjs(*args, &block)
+      #
+      # wrapper for assert_select_rjs
+      #
+      # see documentation for assert_select_rjs at http://api.rubyonrails.org/
+      def have_rjs(*args, &block)
+        AssertSelect.new(:assert_select_rjs, self, *args, &block)
+      end
+      
+      # :call-seq:
+      #   response.should send_email(*args, &block)
+      #
+      # wrapper for assert_select_email
+      #
+      # see documentation for assert_select_email at http://api.rubyonrails.org/
+      def send_email(*args, &block)
+        AssertSelect.new(:assert_select_email, self, *args, &block)
+      end
+      
+      # wrapper for assert_select_encoded
+      #
+      # see documentation for assert_select_encoded at http://api.rubyonrails.org/
+      def with_encoded(*args, &block)
+        should AssertSelect.new(:assert_select_encoded, self, *args, &block)
+      end
+    end
+  end
+end