File: test_metadata.py

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python-apischema 0.18.3-3
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from dataclasses import dataclass, field
from typing import Generic, TypeVar

from apischema import deserialize
from apischema.metadata import flatten

T = TypeVar("T")


@dataclass
class A(Generic[T]):
    pass


@dataclass
class B(Generic[T]):
    a1: A = field(metadata=flatten)
    a2: A[T] = field(metadata=flatten)
    a3: A[int] = field(metadata=flatten)


def test_flattened_generic_dataclass():
    deserialize(B, {})  # it works