from datetime import date

import pytest
from pydantic import ValidationError

from app.schemas import BacklogRequest


def test_backlog_request_parses_iso_dates():
    request = BacklogRequest.model_validate(
        {"inbox_id": "tukutoi", "since": "2026-05-01", "before": "2026-05-16"}
    )

    assert request.since == date(2026, 5, 1)
    assert request.before == date(2026, 5, 16)


def test_backlog_request_rejects_malformed_dates():
    with pytest.raises(ValidationError):
        BacklogRequest.model_validate({"inbox_id": "tukutoi", "since": "not-a-date"})