added RSpec and RSpec on Rails

[rails.git] / vendor / gems / rspec-1.1.2 / examples / pure / custom_expectation_matchers.rb

diff --git a/vendor/gems/rspec-1.1.2/examples/pure/custom_expectation_matchers.rb b/vendor/gems/rspec-1.1.2/examples/pure/custom_expectation_matchers.rb
new file mode 100644 (file)
index 0000000..075bb54
--- /dev/null
+++ b/vendor/gems/rspec-1.1.2/examples/pure/custom_expectation_matchers.rb
@@ -0,0 +1,54 @@
+module AnimalSpecHelper
+  class Eat
+    def initialize(food)
+      @food = food
+    end
+    
+    def matches?(animal)
+      @animal = animal
+      @animal.eats?(@food)
+    end
+    
+    def failure_message
+      "expected #{@animal} to eat #{@food}, but it does not"
+    end
+    
+    def negative_failure_message
+      "expected #{@animal} not to eat #{@food}, but it does"
+    end
+  end
+    
+  def eat(food)
+    Eat.new(food)
+  end
+end
+
+module Animals
+  class Animal
+    def eats?(food)
+      return foods_i_eat.include?(food)
+    end
+  end
+  
+  class Mouse < Animal
+    def foods_i_eat
+      [:cheese]
+    end
+  end
+
+  describe Mouse do
+    include AnimalSpecHelper
+    before(:each) do
+      @mouse = Animals::Mouse.new
+    end
+  
+    it "should eat cheese" do
+      @mouse.should eat(:cheese)
+    end
+  
+    it "should not eat cat" do
+      @mouse.should_not eat(:cat)
+    end
+  end
+
+end