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from dataclasses import dataclass
import pytest
import typing_extensions
from mashumaro import DataClassDictMixin
from mashumaro.core.meta.helpers import is_not_required, is_required
from mashumaro.exceptions import InvalidFieldValue
class TypedDictCorrectNotRequired(typing_extensions.TypedDict):
required: int
not_required: typing_extensions.NotRequired[int]
class TypedDictCorrectRequired(typing_extensions.TypedDict, total=False):
required: typing_extensions.Required[int]
not_required: int
def test_is_required():
assert is_required(typing_extensions.Required[int])
assert not is_required(typing_extensions.Self)
def test_is_not_required():
assert is_not_required(typing_extensions.NotRequired[int])
assert not is_not_required(typing_extensions.Self)
def test_typed_dict_correct_not_required():
@dataclass
class MyClass(DataClassDictMixin):
x: TypedDictCorrectNotRequired
obj = MyClass({"required": 42})
assert MyClass.from_dict({"x": {"required": 42}}) == obj
assert obj.to_dict() == {"x": {"required": 42}}
def test_typed_dict_correct_required():
@dataclass
class MyClass(DataClassDictMixin):
x: TypedDictCorrectRequired
with pytest.raises(InvalidFieldValue) as exc_info:
MyClass.from_dict({"x": {}})
assert exc_info.type is InvalidFieldValue
assert exc_info.value.holder_class is MyClass
assert exc_info.value.field_type is TypedDictCorrectRequired
assert exc_info.value.field_value == {}
assert exc_info.value.field_name == "x"
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