Added Rspec and Webrat plugins and started porting Selenium on Rails tests to Rspec Plain Text Stories driving Webrat driving Selenium.

vendor/plugins/rspec/lib/spec/expectations/differs/default.rb

@@ -0,0 +1,66 @@
+begin
+  require 'rubygems'
+  require 'diff/lcs' #necessary due to loading bug on some machines - not sure why - DaC
+  require 'diff/lcs/hunk'
+rescue LoadError ; raise "You must gem install diff-lcs to use diffing" ; end
+
+require 'pp'
+
+module Spec
+  module Expectations
+    module Differs
+
+      # TODO add some rdoc
+      class Default
+        def initialize(options)
+          @options = options
+        end
+
+        # This is snagged from diff/lcs/ldiff.rb (which is a commandline tool)
+        def diff_as_string(data_new, data_old)
+          data_old = data_old.split(/\n/).map! { |e| e.chomp }
+          data_new = data_new.split(/\n/).map! { |e| e.chomp }
+          output = ""
+          diffs = Diff::LCS.diff(data_old, data_new)
+          return output if diffs.empty?
+          oldhunk = hunk = nil  
+          file_length_difference = 0
+          diffs.each do |piece|
+            begin
+              hunk = Diff::LCS::Hunk.new(data_old, data_new, piece, context_lines,
+                                         file_length_difference)
+              file_length_difference = hunk.file_length_difference      
+              next unless oldhunk      
+              # Hunks may overlap, which is why we need to be careful when our
+              # diff includes lines of context. Otherwise, we might print
+              # redundant lines.
+              if (context_lines > 0) and hunk.overlaps?(oldhunk)
+                hunk.unshift(oldhunk)
+              else
+                output << oldhunk.diff(format)
+              end
+            ensure
+              oldhunk = hunk
+              output << "\n"
+            end
+          end  
+          #Handle the last remaining hunk
+          output << oldhunk.diff(format) << "\n"
+        end  
+
+        def diff_as_object(target,expected)
+          diff_as_string(PP.pp(target,""), PP.pp(expected,""))
+        end
+
+        protected
+        def format
+          @options.diff_format
+        end
+
+        def context_lines
+          @options.context_lines
+        end
+      end
+    end
+  end
+end

vendor/plugins/rspec/lib/spec/expectations/errors.rb

@@ -0,0 +1,12 @@
+module Spec
+  module Expectations
+    # If Test::Unit is loaed, we'll use its error as baseclass, so that Test::Unit
+    # will report unmet RSpec expectations as failures rather than errors.
+    superclass = ['Test::Unit::AssertionFailedError', '::StandardError'].map do |c|
+      eval(c) rescue nil
+    end.compact.first
+    
+    class ExpectationNotMetError < superclass
+    end
+  end
+end

vendor/plugins/rspec/lib/spec/expectations/extensions.rb

@@ -0,0 +1,2 @@
+require 'spec/expectations/extensions/object'
+require 'spec/expectations/extensions/string_and_symbol'

vendor/plugins/rspec/lib/spec/expectations/extensions/object.rb

@@ -0,0 +1,63 @@
+module Spec
+  module Expectations
+    # rspec adds #should and #should_not to every Object (and,
+    # implicitly, every Class).
+    module ObjectExpectations
+      # :call-seq:
+      #   should(matcher)
+      #   should == expected
+      #   should === expected
+      #   should =~ expected
+      #
+      #   receiver.should(matcher)
+      #     => Passes if matcher.matches?(receiver)
+      #
+      #   receiver.should == expected #any value
+      #     => Passes if (receiver == expected)
+      #
+      #   receiver.should === expected #any value
+      #     => Passes if (receiver === expected)
+      #
+      #   receiver.should =~ regexp
+      #     => Passes if (receiver =~ regexp)
+      #
+      # See Spec::Matchers for more information about matchers
+      #
+      # == Warning
+      #
+      # NOTE that this does NOT support receiver.should != expected.
+      # Instead, use receiver.should_not == expected
+      def should(matcher=:use_operator_matcher, &block)
+        ExpectationMatcherHandler.handle_matcher(self, matcher, &block)
+      end
+
+      # :call-seq:
+      #   should_not(matcher)
+      #   should_not == expected
+      #   should_not === expected
+      #   should_not =~ expected
+      #
+      #   receiver.should_not(matcher)
+      #     => Passes unless matcher.matches?(receiver)
+      #
+      #   receiver.should_not == expected
+      #     => Passes unless (receiver == expected)
+      #
+      #   receiver.should_not === expected
+      #     => Passes unless (receiver === expected)
+      #
+      #   receiver.should_not =~ regexp
+      #     => Passes unless (receiver =~ regexp)
+      #
+      # See Spec::Matchers for more information about matchers
+      def should_not(matcher=:use_operator_matcher, &block)
+        NegativeExpectationMatcherHandler.handle_matcher(self, matcher, &block)
+      end
+
+    end
+  end
+end
+
+class Object
+  include Spec::Expectations::ObjectExpectations
+end

vendor/plugins/rspec/lib/spec/expectations/extensions/string_and_symbol.rb

@@ -0,0 +1,17 @@
+module Spec
+  module Expectations
+    module StringHelpers
+      def starts_with?(prefix)
+        to_s[0..(prefix.to_s.length - 1)] == prefix.to_s
+      end
+    end
+  end
+end
+
+class String
+  include Spec::Expectations::StringHelpers
+end
+
+class Symbol
+  include Spec::Expectations::StringHelpers
+end

vendor/plugins/rspec/lib/spec/expectations/handler.rb

@@ -0,0 +1,60 @@
+module Spec
+  module Expectations
+    class InvalidMatcherError < ArgumentError; end        
+    
+    module MatcherHandlerHelper
+      def describe_matcher(matcher)
+        matcher.respond_to?(:description) ? matcher.description : "[#{matcher.class.name} does not provide a description]"
+      end
+    end
+    
+    class ExpectationMatcherHandler        
+      class << self
+        include MatcherHandlerHelper
+        def handle_matcher(actual, matcher, &block)
+          if :use_operator_matcher == matcher
+            return Spec::Matchers::PositiveOperatorMatcher.new(actual)
+          end
+
+          unless matcher.respond_to?(:matches?)
+            raise InvalidMatcherError, "Expected a matcher, got #{matcher.inspect}."
+          end
+          
+          match = matcher.matches?(actual, &block)
+          ::Spec::Matchers.generated_description = "should #{describe_matcher(matcher)}"
+          Spec::Expectations.fail_with(matcher.failure_message) unless match
+        end
+      end
+    end
+
+    class NegativeExpectationMatcherHandler
+      class << self
+        include MatcherHandlerHelper
+        def handle_matcher(actual, matcher, &block)
+          if :use_operator_matcher == matcher
+            return Spec::Matchers::NegativeOperatorMatcher.new(actual)
+          end
+          
+          unless matcher.respond_to?(:matches?)
+            raise InvalidMatcherError, "Expected a matcher, got #{matcher.inspect}."
+          end
+
+          unless matcher.respond_to?(:negative_failure_message)
+            Spec::Expectations.fail_with(
+<<-EOF
+Matcher does not support should_not.
+See Spec::Matchers for more information
+about matchers.
+EOF
+)
+          end
+          match = matcher.matches?(actual, &block)
+          ::Spec::Matchers.generated_description = "should not #{describe_matcher(matcher)}"
+          Spec::Expectations.fail_with(matcher.negative_failure_message) if match
+        end
+      end
+    end
+
+  end
+end
+