File: test_generics_604.py

package info (click to toggle)
python-cattrs 25.3.0-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,812 kB
  • sloc: python: 12,236; makefile: 155
file content (17 lines) | stat: -rw-r--r-- 355 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
"""Tests for generics under PEP 604 (unions as pipes)."""

from typing import Generic, TypeVar

from attrs import define

T = TypeVar("T")


def test_unstructure_optional(genconverter):
    """Generics with optional fields work."""

    @define
    class C(Generic[T]):
        a: T | None

    assert genconverter.unstructure(C(C(1))) == {"a": {"a": 1}}