spec/integration/assertion_spec.rb in assertion-0.2.3 vs spec/integration/assertion_spec.rb in assertion-0.2.4

@@ -13,25 +13,47 @@
 
     IsAdult = Assertion.about :name, :age do
       age.to_i >= 18
     end
 
-    jane = { name: "Jane", gender: :female, age: 19 }
+    class IsCat < Assertion::Base
+      attribute :species, :name
 
-    jane_is_a_male   = IsMale[jane]
+      def check
+        species == :cat
+      end
+
+      def truthy
+        "#{name} is a cat"
+      end
+
+      def falsey
+        "#{name} is not a cat"
+      end
+    end
+
+    jane = { name: "Jane", gender: :female, age: 19, species: :human }
+    john = { name: "John", gender: :male, age: 9, species: :cat }
+
     jane_is_a_female = IsMale.not[jane]
     jane_is_an_adult = IsAdult[jane]
-    jane_is_a_child  = IsAdult.not[jane]
-
     jane_is_a_women  = jane_is_a_female & jane_is_an_adult
     expect(jane_is_a_women).to be_valid
     expect { jane_is_a_women.validate! }.not_to raise_error
 
+    jane_is_a_male   = IsMale[jane]
+    jane_is_a_child  = IsAdult.not[jane]
     jane_is_a_boy = jane_is_a_male & jane_is_a_child
     expect(jane_is_a_boy).not_to be_valid
     expect(jane_is_a_boy.messages)
       .to eql ["Jane is a female", "Jane is an adult (age 19)"]
     expect { jane_is_a_boy.validate! }.to raise_error Assertion::InvalidError
+
+    jane_is_a_cat = IsCat[jane]
+    expect(jane_is_a_cat.messages).to eql ["Jane is not a cat"]
+
+    john_is_not_a_cat = IsCat.not[john]
+    expect(john_is_not_a_cat.messages).to eql ["John is a cat"]
   end
 
   after do
     Object.send :remove_const, :IsAdult
     Object.send :remove_const, :IsMale