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257 lines
8.7 KiB
257 lines
8.7 KiB
# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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from copy import deepcopy
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from typing import Iterator
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import pytest
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from trezorlib import debuglink, device, exceptions, messages, models
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from trezorlib._internal import translations
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from trezorlib.debuglink import TrezorClientDebugLink as Client
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from ..translations import (
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LANGUAGES,
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get_lang_json,
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set_language,
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build_and_sign_blob,
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)
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pytestmark = pytest.mark.skip_t1
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MAX_DATA_LENGTH = {models.T2T1: 48 * 1024, models.T2B1: 32 * 1024}
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def get_confirm(lang: str) -> str:
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content = get_lang_json(lang)
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return content["translations"]["words__confirm"]
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@pytest.fixture
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def client(client: Client) -> Iterator[Client]:
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lang_before = client.features.language or ""
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try:
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set_language(client, "en")
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yield client
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finally:
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set_language(client, lang_before[:2])
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def _check_ping_screen_texts(client: Client, title: str, right_button: str) -> None:
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def ping_input_flow(client: Client, title: str, right_button: str):
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yield
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layout = client.debug.wait_layout()
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assert layout.title() == title.upper()
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assert layout.button_contents()[-1] == right_button.upper()
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client.debug.press_yes()
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# TT does not have a right button text (but a green OK tick)
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if client.features.model == "T":
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right_button = "-"
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with client:
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client.watch_layout(True)
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client.set_input_flow(ping_input_flow(client, title, right_button))
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ping = client.call(messages.Ping(message="ahoj!", button_protection=True))
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assert ping == messages.Success(message="ahoj!")
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def test_change_language_errors(client: Client):
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assert client.features.language == "enUS"
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# Translations too short
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# Sending less data than the header length
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with pytest.raises(
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exceptions.TrezorFailure, match="Translations too short"
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), client:
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bad_data = (translations.HEADER_LEN - 1) * b"a"
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device.change_language(client, language_data=bad_data)
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assert client.features.language == "enUS"
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# Translations too long
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# Sending more than allowed by the flash capacity
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max_length = MAX_DATA_LENGTH[client.model]
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with pytest.raises(exceptions.TrezorFailure, match="Translations too long"), client:
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bad_data = (max_length + 1) * b"a"
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device.change_language(client, language_data=bad_data)
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assert client.features.language == "enUS"
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# Invalid header data length
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# Sending more data than advertised in the header
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with pytest.raises(
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exceptions.TrezorFailure, match="Invalid header data length"
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), client:
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good_data = build_and_sign_blob("cs", client.model)
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bad_data = good_data + b"abcd"
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device.change_language(client, language_data=bad_data)
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assert client.features.language == "enUS"
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# Invalid header magic
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# Does not match the expected magic
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with pytest.raises(exceptions.TrezorFailure, match="Invalid header magic"), client:
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good_data = build_and_sign_blob("cs", client.model)
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bad_data = 4 * b"a" + good_data[4:]
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device.change_language(client, language_data=bad_data)
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assert client.features.language == "enUS"
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# Invalid header data
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# Putting non-zero bytes where zero is expected
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with pytest.raises(exceptions.TrezorFailure, match="Invalid header data"), client:
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good_data = build_and_sign_blob("cs", client.model)
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pre_sig_pos = translations.HEADER_LEN - translations.SIG_LEN
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bad_data = good_data[: pre_sig_pos - 4] + 4 * b"a" + good_data[pre_sig_pos:]
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device.change_language(
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client,
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language_data=bad_data,
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)
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assert client.features.language == "enUS"
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# Invalid data hash
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# Changing the data after their hash has been calculated
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with pytest.raises(exceptions.TrezorFailure, match="Invalid data hash"), client:
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good_data = build_and_sign_blob("cs", client.model)
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bad_data = good_data[:-8] + 8 * b"a"
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device.change_language(
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client,
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language_data=bad_data,
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)
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assert client.features.language == "enUS"
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# Invalid translations version
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# Change the version to one not matching the current device
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with pytest.raises(
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exceptions.TrezorFailure, match="Invalid translations version"
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), client:
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data = get_lang_json("cs")
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data["header"]["version"] = "3.5.4"
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device.change_language(
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client,
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language_data=build_and_sign_blob(data, client.model),
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)
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assert client.features.language == "enUS"
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# Invalid header version
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# Version is not a valid semver with integers
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with pytest.raises(
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exceptions.TrezorFailure, match="Invalid header version"
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), client:
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data = get_lang_json("cs")
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data["header"]["version"] = "ABC.XYZ.DEF"
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device.change_language(
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client,
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language_data=build_and_sign_blob(data, client.model),
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)
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assert client.features.language == "enUS"
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# Invalid translations signature
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# Modifying the signature part of the header
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with pytest.raises(
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exceptions.TrezorFailure, match="Invalid translations signature"
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), client:
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good_data = translations.blob_from_file(
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get_lang_json("cs"), client.features.model or ""
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)
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bad_data = (
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good_data[: translations.HEADER_LEN - 8]
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+ 8 * b"a"
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+ good_data[translations.HEADER_LEN :]
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)
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device.change_language(
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client,
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language_data=bad_data,
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)
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assert client.features.language == "enUS"
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_check_ping_screen_texts(client, get_confirm("en"), get_confirm("en"))
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@pytest.mark.parametrize("lang", LANGUAGES)
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def test_full_language_change(client: Client, lang: str):
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assert client.features.language == "enUS"
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# Setting selected language
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set_language(client, lang)
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assert client.features.language[:2] == lang
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_check_ping_screen_texts(client, get_confirm(lang), get_confirm(lang))
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# Setting the default language via empty data
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set_language(client, "en")
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assert client.features.language == "enUS"
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_check_ping_screen_texts(client, get_confirm("en"), get_confirm("en"))
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def test_language_stays_after_wipe(client: Client):
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assert client.features.language == "enUS"
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_check_ping_screen_texts(client, get_confirm("en"), get_confirm("en"))
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# Setting cs language
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set_language(client, "cs")
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assert client.features.language == "csCZ"
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_check_ping_screen_texts(client, get_confirm("cs"), get_confirm("cs"))
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# Wipe device
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device.wipe(client)
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assert client.features.language == "csCZ"
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# Load it again
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debuglink.load_device(
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client,
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mnemonic=" ".join(["all"] * 12),
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pin=None,
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passphrase_protection=False,
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label="test",
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)
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assert client.features.language == "csCZ"
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_check_ping_screen_texts(client, get_confirm("cs"), get_confirm("cs"))
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def test_translations_renders_on_screen(client: Client):
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czech_data = get_lang_json("cs")
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# Setting some values of words__confirm key and checking that in ping screen title
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assert client.features.language == "enUS"
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# Normal english
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_check_ping_screen_texts(client, get_confirm("en"), get_confirm("en"))
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# Normal czech
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set_language(client, "cs")
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assert client.features.language == "csCZ"
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_check_ping_screen_texts(client, get_confirm("cs"), get_confirm("cs"))
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# Modified czech - changed value
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czech_data_copy = deepcopy(czech_data)
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new_czech_confirm = "ABCD"
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czech_data_copy["translations"]["words__confirm"] = new_czech_confirm
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device.change_language(
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client,
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language_data=build_and_sign_blob(czech_data_copy, client.model),
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)
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_check_ping_screen_texts(client, new_czech_confirm, get_confirm("cs"))
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# Modified czech - key deleted completely, english is shown
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czech_data_copy = deepcopy(czech_data)
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del czech_data_copy["translations"]["words__confirm"]
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device.change_language(
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client,
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language_data=build_and_sign_blob(czech_data_copy, client.model),
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)
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_check_ping_screen_texts(client, get_confirm("en"), get_confirm("cs"))
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