+++ /dev/null
-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