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-rw-r--r--Lib/test/test_dataclasses.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/Lib/test/test_dataclasses.py b/Lib/test/test_dataclasses.py
index a09f36c..81a36aa 100644
--- a/Lib/test/test_dataclasses.py
+++ b/Lib/test/test_dataclasses.py
@@ -68,6 +68,24 @@ class TestCase(unittest.TestCase):
self.assertEqual(repr_output, expected_output)
+ def test_field_recursive_repr(self):
+ rec_field = field()
+ rec_field.type = rec_field
+ rec_field.name = "id"
+ repr_output = repr(rec_field)
+
+ self.assertIn(",type=...,", repr_output)
+
+ def test_recursive_annotation(self):
+ class C:
+ pass
+
+ @dataclass
+ class D:
+ C: C = field()
+
+ self.assertIn(",type=...,", repr(D.__dataclass_fields__["C"]))
+
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