Add missing doc to enums

Author: Mauko Quiroga

openfisca_core/indexed_enums/tests/test_enum.py

@@ -4,6 +4,8 @@
 
 
 class MyEnum(Enum):
+    """An enum…"""
+
     foo = b"foo"
     bar = b"bar"
 

openfisca_core/indexed_enums/tests/test_enum_array.py

@@ -5,12 +5,16 @@
 
 
 class MyEnum(Enum):
+    """An enum…"""
+
     foo = b"foo"
     bar = b"bar"
 
 
 @pytest.fixture
 def enum_array():
+    """An enum array…"""
+
     return EnumArray([numpy.array(1)], MyEnum)
 
 
@@ -34,10 +38,12 @@ def test_enum_array_any_other_operation(enum_array):
 
 
 def test_enum_array___repr__(enum_array):
+    """Enum arrays have a custom debugging representation."""
 
     assert repr(enum_array) == "EnumArray([<MyEnum.bar: b'bar'>])"
 
 
 def test_enum_array___str__(enum_array):
+    """Enum arrays have a custom end-user representation."""
 
     assert str(enum_array) == "['bar']"