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Sietse Brouwer committed 5315d33

about_classes: fix pep8-compliance, spelling.

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  • Parent commits 5c4bb13

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python 3/koans/about_classes.py

 
 from runner.koan import *
 
+
 class AboutClasses(Koan):
     class Dog:
         "Dogs need regular walkies. Never, ever let them drive."
-    
-    def test_instances_of_classes_can_be_created_adding_parenthesis(self):
+
+    def test_instances_of_classes_can_be_created_adding_parentheses(self):
         fido = self.Dog()
         self.assertEqual(__, type(fido).__name__)
-    
+
     def test_classes_have_docstrings(self):
         self.assertRegexpMatches(self.Dog.__doc__, __)
- 
+
     # ------------------------------------------------------------------
-    
-    class Dog2:        
-        def __init__(self): 
+
+    class Dog2:
+        def __init__(self):
             self._name = 'Paul'
-        
+
         def set_name(self, a_name):
             self._name = a_name
-    
+
     def test_init_method_is_the_constructor(self):
         dog = self.Dog2()
         self.assertEqual(__, dog._name)
-    
-    def test_private_attributes_are_not_really_private(self):    
+
+    def test_private_attributes_are_not_really_private(self):
         dog = self.Dog2()
         dog.set_name("Fido")
         self.assertEqual(__, dog._name)
         # The _ prefix in _name implies private ownership, but nothing is truly
         # private in Python.
-           
+
     def test_you_can_also_access_the_value_out_using_getattr_and_dict(self):
         fido = self.Dog2()
         fido.set_name("Fido")
-      
+
         self.assertEqual(__, getattr(fido, "_name"))
         # getattr(), setattr() and delattr() are a way of accessing attributes
         # by method rather than through assignment operators
-        
+
         self.assertEqual(__, fido.__dict__["_name"])
         # Yes, this works here, but don't rely on the __dict__ object! Some
         # class implementations use optimization which result in __dict__ not
         # showing everything.
-      
+
     # ------------------------------------------------------------------
-        
+
     class Dog3:
-        def __init__(self): 
+        def __init__(self):
             self._name = None
 
         def set_name(self, a_name):
             self._name = a_name
-            
+
         def get_name(self):
             return self._name
-        
+
         name = property(get_name, set_name)
-    
-    
+
     def test_that_name_can_be_read_as_a_property(self):
         fido = self.Dog3()
         fido.set_name("Fido")
-    
+
         # access as method
         self.assertEqual(__, fido.get_name())
-        
+
         # access as property
         self.assertEqual(__, fido.name)
-        
+
     # ------------------------------------------------------------------
-    
+
     class Dog4:
-        def __init__(self): 
+        def __init__(self):
             self._name = None
 
         @property
         @name.setter
         def name(self, a_name):
             self._name = a_name
-    
+
     def test_creating_properties_with_decorators_is_slightly_easier(self):
         fido = self.Dog4()
-      
+
         fido.name = "Fido"
         self.assertEqual(__, fido.name)
-         
+
     # ------------------------------------------------------------------
-    
+
     class Dog5:
-        def __init__(self, initial_name): 
+        def __init__(self, initial_name):
             self._name = initial_name
 
         @property
         def name(self):
             return self._name
-                   
+
     def test_init_provides_initial_values_for_instance_variables(self):
-        fido = self.Dog5("Fido")    
+        fido = self.Dog5("Fido")
         self.assertEqual(__, fido.name)
-    
+
     def test_args_must_match_init(self):
-        with self.assertRaises(___): self.Dog5()
-        
+        with self.assertRaises(___):
+            self.Dog5()
+
         # THINK ABOUT IT:
         # Why is this so?
-    
+
     def test_different_objects_have_difference_instance_variables(self):
         fido = self.Dog5("Fido")
         rover = self.Dog5("Rover")
-      
+
         self.assertEqual(__, rover.name == fido.name)
-    
+
     # ------------------------------------------------------------------
-    
+
     class Dog6:
         def __init__(self, initial_name):
             self._name = initial_name
-       
+
         def get_self(self):
             return self
-        
+
         def __str__(self):
             return __
-        
+
         def __repr__(self):
             return "<Dog named '" + self._name + "'>"
 
     def test_inside_a_method_self_refers_to_the_containing_object(self):
         fido = self.Dog6("Fido")
-        
-        self.assertEqual(__, fido.get_self()) # Not a string!
-    
+
+        self.assertEqual(__, fido.get_self())  # Not a string!
+
     def test_str_provides_a_string_version_of_the_object(self):
         fido = self.Dog6("Fido")
-        
+
         self.assertEqual("Fido", str(fido))
-    
+
     def test_str_is_used_explicitly_in_string_interpolation(self):
         fido = self.Dog6("Fido")
-        
+
         self.assertEqual(__, "My dog is " + str(fido))
-    
+
     def test_repr_provides_a_more_complete_string_version(self):
         fido = self.Dog6("Fido")
         self.assertEqual(__, repr(fido))
-    
+
     def test_all_objects_support_str_and_repr(self):
-        seq = [1,2,3]
-    
+        seq = [1, 2, 3]
+
         self.assertEqual(__, str(seq))
         self.assertEqual(__, repr(seq))
-      
+
         self.assertEqual(__, str("STRING"))
         self.assertEqual(__, repr("STRING"))
-