trezor-firmware/tests/device_tests/test_basic.py

# This file is part of the Trezor project.
#
# Copyright (C) 2012-2019 SatoshiLabs and contributors
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.

from trezorlib import device, messages, models
from trezorlib.debuglink import SessionDebugWrapper as Session
from trezorlib.debuglink import TrezorClientDebugLink as Client


def test_features(client: Client):
    session = client.get_session()
    f0 = session.features
    if Session(session).session_version == Session.CODEC_V1:
        # session erases session_id from its features
        f0.session_id = session.id
        f1 = session.call(messages.Initialize(session_id=session.id))

        assert f0 == f1
    else:
        session2 = client.resume_session(session)
        f1: messages.Features = session2.call(messages.GetFeatures())
        assert f1.session_id is None
        assert f0 == f1


def test_capabilities(session: Session):
    assert (messages.Capability.Translations in session.features.capabilities) == (
        session.model is not models.T1B1
    )


def test_ping(session: Session):
    ping = session.call(messages.Ping(message="ahoj!"))
    assert ping == messages.Success(message="ahoj!")


def test_device_id_same(client: Client):
    session1 = client.get_session()
    session2 = client.get_session()
    id1 = session1.features.device_id
    session2.refresh_features()
    id2 = session2.features.device_id
    client = client.get_new_client()
    session3 = client.get_session()
    id3 = session3.features.device_id

    # ID must be at least 12 characters
    assert len(id1) >= 12

    # Every resulf of UUID must be the same
    assert id1 == id2
    assert id2 == id3


def test_device_id_different(client: Client):
    session = client.get_management_session()
    id1 = client.features.device_id
    device.wipe(session)
    client = client.get_new_client()
    session = client.get_management_session()

    id2 = client.features.device_id

    # Device ID must be fresh after every reset
    assert id1 != id2