"""Test bootstrap.

Runs the suite against a throwaway in-memory SQLite database and the tiny
fixture catalog, so no PostgreSQL server is needed. Environment variables must
be set before any app module is imported, because config reads them at import
time.
"""
import os

os.environ["DATA_DIR"] = os.path.join(os.path.dirname(__file__), "fixtures")
os.environ["DATABASE_URL"] = "sqlite://"
os.environ["AUTO_INIT_DB"] = "false"
os.environ["COOKIE_SECURE"] = "false"

import pytest  # noqa: E402

from app import db  # noqa: E402
from app.models import Base  # noqa: E402


@pytest.fixture(autouse=True)
def fresh_db():
    """Give every test an empty schema and a clean login throttle."""
    engine = db.get_engine()
    Base.metadata.drop_all(bind=engine)
    Base.metadata.create_all(bind=engine)

    from app.auth import throttle

    throttle.clear()
    yield