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import pytest
from pydantic_core import SchemaValidator, ValidationError
from pydantic_core import core_schema as cs
def test_python_none():
v = SchemaValidator(cs.none_schema())
assert v.validate_python(None) is None
with pytest.raises(ValidationError) as exc_info:
v.validate_python(1)
assert exc_info.value.errors(include_url=False) == [
{'type': 'none_required', 'loc': (), 'msg': 'Input should be None', 'input': 1}
]
def test_json_none():
v = SchemaValidator(cs.none_schema())
assert v.validate_json('null') is None
with pytest.raises(ValidationError) as exc_info:
v.validate_json('1')
assert exc_info.value.errors(include_url=False) == [
{'type': 'none_required', 'loc': (), 'msg': 'Input should be null', 'input': 1}
]
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