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from random import randint
from typing import Optional
from pydantic import VERSION, BaseModel, Field
from polyfactory.factories.pydantic_factory import ModelFactory
def test_random_seed() -> None:
class MyModel(BaseModel):
id: int
special_id: str = (
Field(pattern=r"ID-[1-9]{3}\.[1-9]{3}")
if VERSION.startswith("2")
else Field(regex=r"ID-[1-9]{3}\.[1-9]{3}") # type: ignore[call-overload]
)
class MyModelFactory(ModelFactory):
__model__ = MyModel
ModelFactory.seed_random(1651)
ins = MyModelFactory.build()
assert ins.id == 4
assert ins.special_id == "ID-515.943"
def test_deterministic_optionals_seeding() -> None:
class ModelWithOptionalValues(BaseModel):
name: Optional[str]
class FactoryWithNoneOptionals(ModelFactory):
__model__ = ModelWithOptionalValues
seed = randint(0, 1000)
ModelFactory.seed_random(seed)
first_build = [FactoryWithNoneOptionals.build() for _ in range(10)]
ModelFactory.seed_random(seed)
second_build = [FactoryWithNoneOptionals.build() for _ in range(10)]
assert first_build == second_build
def test_deterministic_constrained_strings() -> None:
class MyModel(BaseModel):
id: int
special_id: str = Field(min_length=10, max_length=24)
class MyModelFactory(ModelFactory):
__model__ = MyModel
ModelFactory.seed_random(1651)
ins = MyModelFactory.build()
assert ins.id == 4
assert ins.special_id == "48489ab53c59b24acfe1"
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