def test_flag_enum(self) -> None:
with self.assertRaises(TypeError):
# flags are not ints
File(name="/etc/motd", permissions=4) # type: ignore
x = File(name="/bin/sh", permissions=Perm.read | Perm.execute)
self.assertIsInstance(x.permissions, Perm)
self.assertEqual(x.permissions, Perm.read | Perm.execute)
self.assertNotIsInstance(2, Perm, "Flags are not ints")
self.assertEqual(int(x.permissions), 5)
x = File(name="")
self.assertFalse(x.permissions)
self.assertIsInstance(x.permissions, Perm)
def test_normal_enum(self) -> None:
with self.assertRaises(TypeError):
# Enums are not ints
File(name="/etc/motd", type=8) # type: ignore
x = File(name="/etc", type=Kind.DIR)
self.assertIsInstance(x.type, Kind)
self.assertEqual(x.type, Kind.DIR)
self.assertNotEqual(x.type, Kind.SOCK)
self.assertNotEqual(x.type, 4, "Enums are not Ints")
self.assertNotIsInstance(4, Kind, "Enums are not Ints")
self.assertIn(x.type, Kind)
self.assertEqual(int(x.type), 4)
def test_flag_enum(self) -> None:
with self.assertRaises(TypeError):
# flags are not ints
# pyre-fixme[6]: Expected `Optional[Perm]` for 2nd param but got `int`.
File(name="/etc/motd", permissions=4)
x = File(name="/bin/sh", permissions=Perm.read | Perm.execute)
self.assertIsInstance(x.permissions, Perm)
self.assertEqual(x.permissions, Perm.read | Perm.execute)
self.assertNotIsInstance(2, Perm, "Flags are not ints")
self.assertEqual(int(x.permissions), 5)
x = File(name="")
self.assertFalse(x.permissions)
self.assertIsInstance(x.permissions, Perm)
def test_normal_enum(self) -> None:
with self.assertRaises(TypeError):
# Enums are not ints
# pyre-fixme[6]: Expected `Optional[Kind]` for 2nd param but got `int`.
File(name="/etc/motd", type=8)
x = File(name="/etc", type=Kind.DIR)
self.assertIsInstance(x.type, Kind)
self.assertEqual(x.type, Kind.DIR)
self.assertNotEqual(x.type, Kind.SOCK)
self.assertNotEqual(x.type, 4, "Enums are not Ints")
self.assertNotIsInstance(4, Kind, "Enums are not Ints")
self.assertIn(x.type, Kind)
self.assertEqual(int(x.type), 4)
def test_flag_enum_serialization_roundtrip(self) -> None:
x = File(name='/dev/null', type=Kind.CHAR, permissions=Perm.read | Perm.write)
y = deserialize(File, serialize(x))
self.assertEqual(x, y)
self.assertEqual(x.permissions, Perm.read | Perm.write)
self.assertIsInstance(x.permissions, Perm)