File: test_number_generation.py

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from __future__ import annotations

from random import Random

import pytest

from polyfactory.value_generators.constrained_numbers import (
    generate_constrained_number,
    passes_pydantic_multiple_validator,
)
from polyfactory.value_generators.primitives import create_random_float


@pytest.mark.parametrize(
    ("maximum", "minimum", "multiple_of"),
    ((100, 2, 8), (-100, -187, -10), (7.55, 0.13, 0.0123)),
)
def test_generate_constrained_number(maximum: float, minimum: float, multiple_of: float) -> None:
    assert passes_pydantic_multiple_validator(
        multiple_of=multiple_of,
        value=generate_constrained_number(
            random=Random(),
            minimum=minimum,
            maximum=maximum,
            multiple_of=multiple_of,
            method=create_random_float,
        ),
    )


@pytest.mark.parametrize(
    "minimum, maximum",
    (
        (None, None),
        (-200, None),
        (200, None),
        (None, -200),
        (None, 200),
        (-200, 200),
    ),
)
def test_create_random_float_bounds(
    minimum: float | None,
    maximum: float | None,
) -> None:
    result = create_random_float(Random(), minimum, maximum)
    if minimum is not None:
        assert result >= minimum
    if maximum is not None:
        assert result <= maximum


def test_passes_pydantic_multiple_validator_handles_zero_multiplier() -> None:
    assert passes_pydantic_multiple_validator(1.0, 0)