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import pytest
from pydantic_core import PydanticUndefined, SchemaValidator, ValidationError, core_schema
def test_model_root():
class RootModel:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
root: list[int]
v = SchemaValidator(
core_schema.model_schema(RootModel, core_schema.list_schema(core_schema.int_schema()), root_model=True)
)
assert repr(v).startswith('SchemaValidator(title="RootModel", validator=Model(\n')
m = v.validate_python([1, 2, '3'])
assert isinstance(m, RootModel)
assert m.root == [1, 2, 3]
assert m.__dict__ == {'root': [1, 2, 3]}
m = v.validate_json('[1, 2, "3"]')
assert isinstance(m, RootModel)
assert m.root == [1, 2, 3]
with pytest.raises(ValidationError) as exc_info:
v.validate_python('wrong')
# insert_assert(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == [
{'type': 'list_type', 'loc': (), 'msg': 'Input should be a valid list', 'input': 'wrong'}
]
def test_revalidate():
class RootModel:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
root: list[int]
v = SchemaValidator(
core_schema.model_schema(
RootModel, core_schema.list_schema(core_schema.int_schema()), root_model=True, revalidate_instances='always'
)
)
m = RootModel()
m = v.validate_python([1, '2'], self_instance=m)
assert isinstance(m, RootModel)
assert m.root == [1, 2]
assert m.__pydantic_fields_set__ == {'root'}
m2 = v.validate_python(m)
assert m2 is not m
assert isinstance(m2, RootModel)
assert m2.root == [1, 2]
assert m.__pydantic_fields_set__ == {'root'}
def test_revalidate_with_default():
class RootModel:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
root: int = 42
v = SchemaValidator(
core_schema.model_schema(
RootModel,
core_schema.with_default_schema(core_schema.int_schema(), default=42),
root_model=True,
revalidate_instances='always',
)
)
m = RootModel()
m = v.validate_python(PydanticUndefined, self_instance=m)
assert isinstance(m, RootModel)
assert m.root == 42
assert m.__pydantic_fields_set__ == set()
m2 = v.validate_python(m)
assert m2 is not m
assert isinstance(m2, RootModel)
assert m2.root == 42
assert m.__pydantic_fields_set__ == set()
def test_init():
class RootModel:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
root: str
v = SchemaValidator(
core_schema.model_schema(RootModel, core_schema.str_schema(), root_model=True, revalidate_instances='always')
)
m = RootModel()
ans = v.validate_python('foobar', self_instance=m)
assert ans is m
assert ans.root == 'foobar'
def test_assignment():
class RootModel:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
root: str
v = SchemaValidator(core_schema.model_schema(RootModel, core_schema.str_schema(), root_model=True))
m = v.validate_python('foobar')
assert m.root == 'foobar'
m2 = v.validate_assignment(m, 'root', 'baz')
assert m2 is m
assert m.root == 'baz'
with pytest.raises(ValidationError) as exc_info:
v.validate_assignment(m, 'different', 'baz')
# insert_assert(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == [
{
'type': 'no_such_attribute',
'loc': ('different',),
'msg': "Object has no attribute 'different'",
'input': 'baz',
'ctx': {'attribute': 'different'},
}
]
def test_field_function():
call_infos = []
class RootModel:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
root: str
def f(input_value: str, info):
call_infos.append(repr(info))
return input_value + ' validated'
v = SchemaValidator(
core_schema.model_schema(
RootModel,
core_schema.with_info_after_validator_function(f, core_schema.str_schema()),
root_model=True,
)
)
m = v.validate_python('foobar', context='call 1')
assert isinstance(m, RootModel)
assert m.root == 'foobar validated'
assert call_infos == ["ValidationInfo(config=None, context='call 1', data=None, field_name='root')"]
m2 = v.validate_assignment(m, 'root', 'baz', context='assignment call')
assert m2 is m
assert m.root == 'baz validated'
assert call_infos == [
"ValidationInfo(config=None, context='call 1', data=None, field_name='root')",
"ValidationInfo(config=None, context='assignment call', data=None, field_name='root')",
]
def test_extra():
class RootModel:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
root: int
v = SchemaValidator(core_schema.model_schema(RootModel, core_schema.int_schema(), root_model=True))
m = v.validate_python(1)
with pytest.raises(AttributeError):
m.__pydantic_extra__
def test_fields_set():
assert core_schema.PydanticUndefined is PydanticUndefined
class RootModel:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
root: int = 42
v = SchemaValidator(
core_schema.model_schema(
RootModel, core_schema.with_default_schema(core_schema.int_schema(), default=42), root_model=True
)
)
m = RootModel()
v.validate_python(1, self_instance=m)
assert m.root == 1
assert m.__pydantic_fields_set__ == {'root'}
v.validate_python(PydanticUndefined, self_instance=m)
assert m.root == 42
assert m.__pydantic_fields_set__ == set()
def test_construct_from_validate_default():
class RootModel:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
root: int
class Model:
__slots__ = '__dict__', '__pydantic_fields_set__', '__pydantic_extra__', '__pydantic_private__'
value: RootModel = 42
v = SchemaValidator(
core_schema.model_schema(
Model,
core_schema.model_fields_schema(
{
'value': core_schema.model_field(
core_schema.with_default_schema(
core_schema.model_schema(RootModel, core_schema.int_schema(), root_model=True),
default=42,
validate_default=True,
)
)
}
),
)
)
m = Model()
v.validate_python({}, self_instance=m)
assert m.value.root == 42
assert m.value.__pydantic_fields_set__ == {'root'}
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