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Added test for union with generics #261

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Merged
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May 10, 2024
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Added test for union with generics #261

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22 changes: 21 additions & 1 deletion tests/test_union.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@

import marshmallow

from marshmallow_dataclass import dataclass
from marshmallow_dataclass import dataclass, NewType


class TestClassSchema(unittest.TestCase):
Expand Down Expand Up @@ -196,3 +196,23 @@ class PEP604IntOrStr:

data_in = {"value": 42}
self.assertEqual(schema.dump(schema.load(data_in)), data_in)

@unittest.skipIf(
sys.version_info < (3, 7, 4),
"Requires typeguard >=4.0.0 not available for py<3.7.4",
)
def test_union_with_generics(self):
IntList = NewType("IntList", List[int])

@dataclass
class Dclass:
value: Union[IntList, List[str]]

schema = Dclass.Schema()

self.assertEqual(
schema.load({"value": [1, 2, 3]}), Dclass(value=IntList([1, 2, 3]))
)
self.assertEqual(
schema.dump(Dclass(value=IntList([1, 2, 3]))), {"value": [1, 2, 3]}
)
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