Add regression tests for issue with subclassed enums

tests/functional/e/enum_subclasses.py

@@ -1,9 +1,10 @@
-# pylint: disable=missing-docstring
-from enum import Enum, IntEnum
+# pylint: disable=missing-docstring, invalid-name
+from enum import Enum, IntEnum, auto
 
 
 class Issue1932(IntEnum):
     """https://github.com/PyCQA/pylint/issues/1932"""
+
     FOO = 1
 
     def whats_my_name(self):
@@ -12,8 +13,67 @@ def whats_my_name(self):
 
 class Issue2062(Enum):
     """https://github.com/PyCQA/pylint/issues/2062"""
+
     FOO = 1
     BAR = 2
 
     def __str__(self):
         return self.name.lower()
+
+
+class OrderedEnum(Enum):
+    def __ge__(self, other):
+        if self.__class__ is other.__class__:
+            return self.value >= other.value  # line 11
+        return NotImplemented
+
+    def __gt__(self, other):
+        if self.__class__ is other.__class__:
+            return self.value > other.value  # line 16
+        return NotImplemented
+
+
+class Color(OrderedEnum):
+    red = 0
+    green = 1
+
+
+class People(Enum):
+    jack = 0
+    john = 1
+
+
+print(Color.red.value)  # line 29
+print(People.jack.name)
+
+
+class BaseEnum(Enum):
+    def some_behavior(self):
+        pass
+
+
+class MyEnum(BaseEnum):
+
+    FOO = 1
+    BAR = 2
+
+
+print(MyEnum.FOO.value)
+
+class TestBase(Enum):
+    """Adds a special method to enums."""
+
+    def hello_pylint(self) -> str:
+        """False positive."""
+        return self.name
+
+
+class TestEnum(TestBase):
+    """Tests the false positive for enums."""
+
+    a = auto()
+    b = auto()
+
+
+test_enum = TestEnum.a
+assert test_enum.hello_pylint() == test_enum.name