sqlmodel/tests/test_pydantic/test_field.py at 2e41f9d8a7f20db96a1fe78d5803685f051bfccd · fastapi/sqlmodel · GitHub

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from decimal import Decimal
from typing import Literal

import pytest
from pydantic import ValidationError
from sqlmodel import Field, SQLModel


def test_decimal():
    class Model(SQLModel):
        dec: Decimal = Field(max_digits=4, decimal_places=2)

    Model(dec=Decimal("3.14"))
    Model(dec=Decimal("69.42"))

    with pytest.raises(ValidationError):
        Model(dec=Decimal("3.142"))
    with pytest.raises(ValidationError):
        Model(dec=Decimal("0.069"))
    with pytest.raises(ValidationError):
        Model(dec=Decimal("420"))


def test_discriminator():
    # Example adapted from
    # [Pydantic docs](https://pydantic-docs.helpmanual.io/usage/types/#discriminated-unions-aka-tagged-unions):

    class Cat(SQLModel):
        pet_type: Literal["cat"]
        meows: int

    class Dog(SQLModel):
        pet_type: Literal["dog"]
        barks: float

    class Lizard(SQLModel):
        pet_type: Literal["reptile", "lizard"]
        scales: bool

    class Model(SQLModel):
        pet: Cat | Dog | Lizard = Field(..., discriminator="pet_type")
        n: int

    Model(pet={"pet_type": "dog", "barks": 3.14}, n=1)  # type: ignore[arg-type]

    with pytest.raises(ValidationError):
        Model(pet={"pet_type": "dog"}, n=1)  # type: ignore[arg-type]


def test_repr():
    class Model(SQLModel):
        id: int | None = Field(primary_key=True)
        foo: str = Field(repr=False)

    instance = Model(id=123, foo="bar")
    assert "foo=" not in repr(instance)


def test_gt():
    class Model(SQLModel):
        int_value: int = Field(gt=10)
        tuple_value: tuple[int, int] = Field(gt=(1, 2))

    Model(int_value=11, tuple_value=(1, 3))

    with pytest.raises(ValidationError) as exc_info:
        Model(int_value=10, tuple_value=(1, 3))
    assert len(exc_info.value.errors()) == 1
    assert exc_info.value.errors()[0]["type"] == "greater_than"
    assert exc_info.value.errors()[0]["loc"] == ("int_value",)

    with pytest.raises(ValidationError) as exc_info_2:
        Model(int_value=11, tuple_value=(1, 2))
    assert len(exc_info_2.value.errors()) == 1
    assert exc_info_2.value.errors()[0]["type"] == "greater_than"
    assert exc_info_2.value.errors()[0]["loc"] == ("tuple_value",)


def test_ge():
    class Model(SQLModel):
        int_value: int = Field(ge=10)
        tuple_value: tuple[int, int] = Field(ge=(1, 2))

    Model(int_value=10, tuple_value=(1, 2))

    with pytest.raises(ValidationError) as exc_info:
        Model(int_value=9, tuple_value=(1, 2))
    assert len(exc_info.value.errors()) == 1
    assert exc_info.value.errors()[0]["type"] == "greater_than_equal"
    assert exc_info.value.errors()[0]["loc"] == ("int_value",)

    with pytest.raises(ValidationError) as exc_info_2:
        Model(int_value=10, tuple_value=(1, 1))
    assert len(exc_info_2.value.errors()) == 1
    assert exc_info_2.value.errors()[0]["type"] == "greater_than_equal"
    assert exc_info_2.value.errors()[0]["loc"] == ("tuple_value",)


def test_lt():
    class Model(SQLModel):
        int_value: int = Field(lt=10)
        tuple_value: tuple[int, int] = Field(lt=(1, 2))

    Model(int_value=9, tuple_value=(1, 1))

    with pytest.raises(ValidationError) as exc_info:
        Model(int_value=10, tuple_value=(1, 1))
    assert len(exc_info.value.errors()) == 1
    assert exc_info.value.errors()[0]["type"] == "less_than"
    assert exc_info.value.errors()[0]["loc"] == ("int_value",)

    with pytest.raises(ValidationError) as exc_info_2:
        Model(int_value=9, tuple_value=(1, 2))
    assert len(exc_info_2.value.errors()) == 1
    assert exc_info_2.value.errors()[0]["type"] == "less_than"
    assert exc_info_2.value.errors()[0]["loc"] == ("tuple_value",)


def test_le():
    class Model(SQLModel):
        int_value: int = Field(le=10)
        tuple_value: tuple[int, int] = Field(le=(1, 2))

    Model(int_value=10, tuple_value=(1, 2))

    with pytest.raises(ValidationError) as exc_info:
        Model(int_value=11, tuple_value=(1, 2))
    assert len(exc_info.value.errors()) == 1
    assert exc_info.value.errors()[0]["type"] == "less_than_equal"
    assert exc_info.value.errors()[0]["loc"] == ("int_value",)

    with pytest.raises(ValidationError) as exc_info_2:
        Model(int_value=10, tuple_value=(1, 3))
    assert len(exc_info_2.value.errors()) == 1
    assert exc_info_2.value.errors()[0]["type"] == "less_than_equal"
    assert exc_info_2.value.errors()[0]["loc"] == ("tuple_value",)