reflex/tests/utils/test_serializers.py

103 lines
2.6 KiB
Python

import datetime
from typing import Any, Dict, Type
import pytest
from reflex.utils import serializers
@pytest.mark.parametrize(
"type_,expected",
[
(str, True),
(dict, True),
(Dict[int, int], True),
],
)
def test_has_serializer(type_: Type, expected: bool):
"""Test that has_serializer returns the correct value.
Args:
type_: The type to check.
expected: The expected result.
"""
assert serializers.has_serializer(type_) == expected
@pytest.mark.parametrize(
"type_,expected",
[
(str, serializers.serialize_str),
(dict, serializers.serialize_dict),
(Dict[int, int], serializers.serialize_dict),
(datetime.datetime, serializers.serialize_datetime),
(datetime.date, serializers.serialize_datetime),
(datetime.time, serializers.serialize_datetime),
(datetime.timedelta, serializers.serialize_datetime),
],
)
def test_get_serializer(type_: Type, expected: serializers.Serializer):
"""Test that get_serializer returns the correct value.
Args:
type_: The type to check.
expected: The expected result.
"""
assert serializers.get_serializer(type_) == expected
def test_add_serializer():
"""Test that adding a serializer works."""
def serialize_test(value: int) -> str:
"""Serialize an int to a string.
Args:
value: The value to serialize.
Returns:
The serialized value.
"""
return str(value)
# Initially there should be no serializer for int.
assert not serializers.has_serializer(int)
assert serializers.serialize(5) is None
# Register the serializer.
assert serializers.serializer(serialize_test) == serialize_test
# There should now be a serializer for int.
assert serializers.has_serializer(int)
assert serializers.get_serializer(int) == serialize_test
assert serializers.serialize(5) == "5"
# Remove the serializer.
serializers.SERIALIZERS.pop(int)
@pytest.mark.parametrize(
"value,expected",
[
("test", "test"),
(datetime.datetime(2021, 1, 1, 1, 1, 1, 1), "2021-01-01 01:01:01.000001"),
(datetime.date(2021, 1, 1), "2021-01-01"),
(datetime.time(1, 1, 1, 1), "01:01:01.000001"),
(datetime.timedelta(1, 1, 1), "1 day, 0:00:01.000001"),
(5, None),
(None, None),
([], None),
],
)
def test_serialize(value: Any, expected: str):
"""Test that serialize returns the correct value.
Args:
value: The value to serialize.
expected: The expected result.
"""
assert serializers.serialize(value) == expected