trezor-firmware/tests/device_tests/test_msg_backup_device.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>.


import pytest

from trezorlib import device, messages
from trezorlib.messages import ButtonRequestType as B

from ..common import MNEMONIC12, read_and_confirm_mnemonic


@pytest.mark.skip_t1  # TODO we want this for t1 too
@pytest.mark.setup_client(mnemonic=MNEMONIC12)
def test_backup(client):
    assert client.features.needs_backup is True
    mnemonic = None

    def input_flow():
        nonlocal mnemonic
        yield  # Confirm Backup
        client.debug.press_yes()
        yield  # Mnemonic phrases
        mnemonic = read_and_confirm_mnemonic(client.debug, words=12)
        yield  # Confirm success
        client.debug.press_yes()
        yield  # Backup is done
        client.debug.press_yes()

    with client:
        client.set_input_flow(input_flow)
        client.set_expected_responses(
            [
                messages.ButtonRequest(code=B.ResetDevice),
                messages.ButtonRequest(code=B.ResetDevice),
                messages.ButtonRequest(code=B.Success),
                messages.ButtonRequest(code=B.Success),
                messages.Success(),
            ]
        )
        device.backup(client)

    assert mnemonic == MNEMONIC12