import pytest

from app import create_app


def test_testing_configuration_is_isolated():
    app = create_app("testing")

    assert app.config["TESTING"] is True
    assert app.config["SQLALCHEMY_DATABASE_URI"] == "sqlite:///:memory:"
    assert app.config["SESSION_COOKIE_HTTPONLY"] is True
    assert app.config["SESSION_COOKIE_SAMESITE"] == "Lax"


def test_unknown_configuration_fails_clearly():
    with pytest.raises(ValueError, match="Unknown configuration"):
        create_app("unknown")


def test_csrf_is_required_outside_testing():
    app = create_app("development")
    client = app.test_client()

    response = client.post(
        "/auth/register",
        data={
            "username": "steady_user",
            "email": "person@example.com",
            "password": "a calm secure password",
            "confirm_password": "a calm secure password",
        },
    )

    assert response.status_code == 400