conftest.py 文件源码

def session(request, monkeypatch):
    """Prevent the session from closing"""
    # Roll back at the end of every test
    request.addfinalizer(_db.session.remove)

    # Prevent the session from closing (make it a no-op) and
    # committing (redirect to flush() instead)
    # https://alextechrants.blogspot.com/2014/01/unit-testing-sqlalchemy-apps-part-2.html
    # monkeypatch.setattr(_db.session, 'commit', _db.session.flush)
    monkeypatch.setattr(_db.session, 'remove', lambda: None)