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Diffstat (limited to 'Lib/test/test_dataclasses.py')
| -rw-r--r-- | Lib/test/test_dataclasses.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Lib/test/test_dataclasses.py b/Lib/test/test_dataclasses.py index e2eab69..328dcdc 100644 --- a/Lib/test/test_dataclasses.py +++ b/Lib/test/test_dataclasses.py @@ -68,6 +68,32 @@ class TestCase(unittest.TestCase): self.assertEqual(repr_output, expected_output) + def test_dataclass_params_repr(self): + # Even though this is testing an internal implementation detail, + # it's testing a feature we want to make sure is correctly implemented + # for the sake of dataclasses itself + @dataclass(slots=True, frozen=True) + class Some: pass + + repr_output = repr(Some.__dataclass_params__) + expected_output = "_DataclassParams(init=True,repr=True," \ + "eq=True,order=False,unsafe_hash=False,frozen=True," \ + "match_args=True,kw_only=False," \ + "slots=True,weakref_slot=False)" + self.assertEqual(repr_output, expected_output) + + def test_dataclass_params_signature(self): + # Even though this is testing an internal implementation detail, + # it's testing a feature we want to make sure is correctly implemented + # for the sake of dataclasses itself + @dataclass + class Some: pass + + for param in inspect.signature(dataclass).parameters: + if param == 'cls': + continue + self.assertTrue(hasattr(Some.__dataclass_params__, param), msg=param) + def test_named_init_params(self): @dataclass class C: |