"""Unit test fixtures — sets required env vars so Settings() loads without a .env file."""

import pytest


@pytest.fixture(autouse=True)
def patch_settings(monkeypatch):
    """Provide the minimum env vars that Settings() requires for unit tests."""
    monkeypatch.setenv("SECRET_KEY", "a" * 64)
    monkeypatch.setenv("INTERNAL_SECRET", "b" * 64)
    monkeypatch.setenv("DATABASE_URL", "postgresql+asyncpg://test:test@localhost/test")

    # Clear the lru_cache so each test gets a fresh Settings instance with the
    # monkeypatched env vars rather than the cached production instance.
    from rehearsalhub.config import get_settings
    get_settings.cache_clear()
    yield
    get_settings.cache_clear()