test_oidc.py

           query param. Should be the same as was embedded in the session in
           _build_oidc_session.
        session: the "session" which would have been passed around in the cookie.
        user_agent: the user-agent to present
        ip_address: the IP address to pretend the request came from
    """
    request = Mock(
        spec=[
            "args",
            "getCookie",
            "addCookie",
            "requestHeaders",
            "getClientIP",
            "getHeader",
        ]
    )

    request.getCookie.return_value = session
    request.args = {}
    request.args[b"code"] = [code.encode("utf-8")]
    request.args[b"state"] = [state.encode("utf-8")]
    request.getClientIP.return_value = ip_address
    return request