Files
fastapi-cache/tests/test_codecs.py

73 lines
2.1 KiB
Python

from dataclasses import dataclass
from typing import Any, Dict, List, Optional, Type
import pytest
from pydantic import BaseModel
from fastapi_cache.coder import JsonCoder, PickleCoder
@dataclass
class DCItem:
name: str
price: float
description: Optional[str] = None
tax: Optional[float] = None
class PDItem(BaseModel):
name: str
price: float
description: Optional[str] = None
tax: Optional[float] = None
@pytest.mark.parametrize(
"value",
[
1,
"some_string",
(1, 2),
[1, 2, 3],
{"some_key": 1, "other_key": 2},
DCItem(name="foo", price=42.0, description="some dataclass item", tax=0.2),
PDItem(name="foo", price=42.0, description="some pydantic item", tax=0.2),
],
)
def test_pickle_coder(value: Any) -> None:
encoded_value = PickleCoder.encode(value)
assert isinstance(encoded_value, bytes)
decoded_value = PickleCoder.decode(encoded_value)
assert decoded_value == value
# vicchi: 2024/11/09 - some values commented out until #460 is resolved
@pytest.mark.parametrize(
("value", "return_type"),
[
(1, int),
(1, None),
("some_string", str),
("some_string", None),
# ((1, 2), Tuple[int, int]),
([1, 2, 3], List[int]),
([1, 2, 3], None),
({"some_key": 1, "other_key": 2}, Dict[str, int]),
({"some_key": 1, "other_key": 2}, None),
# (DCItem(name="foo", price=42.0, description="some dataclass item", tax=0.2), DCItem),
# (PDItem(name="foo", price=42.0, description="some pydantic item", tax=0.2), PDItem),
],
)
def test_json_coder(value: Any, return_type: Type[Any]) -> None:
encoded_value = JsonCoder.encode(value)
assert isinstance(encoded_value, bytes)
decoded_value = JsonCoder.decode_as_type(encoded_value, type_=return_type)
assert decoded_value == value
# vicchi: 2024/11/09 - test commented out until #460 is resolved
# def test_json_coder_validation_error() -> None:
# invalid = b'{"name": "incomplete"}'
# with pytest.raises(ValidationError):
# JsonCoder.decode_as_type(invalid, type_=PDItem)