"""Tests for weekends route query validation."""

from datetime import date
import typing

import pytest

import web_view


@pytest.fixture  # type: ignore[untyped-decorator]
def client() -> typing.Any:
    """Flask test client."""
    web_view.app.config["TESTING"] = True
    with web_view.app.test_client() as c:
        yield c


def test_weekends_rejects_year_before_2020(client: typing.Any) -> None:
    """Years before 2020 should return HTTP 400."""
    response = client.get("/weekends?year=2019&week=1")
    assert response.status_code == 400
    assert b"Year must be between 2020" in response.data


def test_weekends_rejects_year_more_than_five_years_ahead(client: typing.Any) -> None:
    """Years beyond current year + 5 should return HTTP 400."""
    too_far = date.today().year + 6
    response = client.get(f"/weekends?year={too_far}&week=1")
    assert response.status_code == 400
    assert b"Year must be between 2020" in response.data