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import json
from dataclasses import dataclass, field
from typing import Annotated, Dict, Optional
import pytest
from cyclopts import Parameter
@dataclass
class User:
id: int
name: str = "John Doe"
tastes: Dict[str, int] = field(default_factory=dict)
def test_bind_dataclass_from_env_json(app, assert_parse_args, monkeypatch):
@app.command
def foo(some_number: int, user: Annotated[User, Parameter(env_var="USER")]):
pass
external_data = {
"id": 123,
# "name" is purposely missing.
"tastes": {
"wine": 9,
"cheese": 7,
"cabbage": 1,
},
}
monkeypatch.setenv("USER", json.dumps(external_data))
assert_parse_args(
foo,
"foo 100",
100,
User(**external_data),
)
@pytest.mark.parametrize(
"cmd_str",
[
"""--origin='{"x": 1, "y": 2}'""",
"""--origin '{"x": 1, "y": 2}'""",
"""--origin='{"x": 1, "y": 2, "label": null}'""",
],
)
def test_bind_dataclass_from_cli_json(app, assert_parse_args, cmd_str):
@dataclass
class Coordinate:
x: int
y: int
label: Optional[str] = None
@app.default
def main(origin: Coordinate):
pass
assert_parse_args(main, cmd_str, Coordinate(1, 2))
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