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trezor-firmware/tests/click_tests/test_passphrase_mercury.py

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# This file is part of the Trezor project.
#
# Copyright (C) 2012-2023 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 time
from contextlib import contextmanager
from typing import TYPE_CHECKING, Generator, Optional, Tuple
import pytest
from trezorlib import exceptions
from .. import buttons
from ..common import get_test_address
from .common import CommonPass, PassphraseCategory, get_char_category
if TYPE_CHECKING:
from trezorlib.debuglink import DebugLink
from ..device_handler import BackgroundDeviceHandler
pytestmark = pytest.mark.models("mercury")
PASSPHRASE_CANCELLED = pytest.raises(exceptions.Cancelled, match="")
MERCURY_CATEGORIES = [
PassphraseCategory.LOWERCASE,
PassphraseCategory.UPPERCASE,
PassphraseCategory.DIGITS,
PassphraseCategory.SPECIAL,
]
# fmt: off
PASSPHRASE_LOWERCASE = ("abc", "def", "ghi", "jkl", "mno", "pq", "rst", "uvw", "xyz", " *#")
PASSPHRASE_UPPERCASE = ("ABC", "DEF", "GHI", "JKL", "MNO", "PQ", "RST", "UVW", "XYZ", " *#")
PASSPHRASE_DIGITS = ("1", "2", "3", "4", "5", "6", "7", "8", "9", "0")
PASSPHRASE_SPECIAL = ("_<>", ".:@", "/|\\", "!()", "+%&", "-[]", "?{}", ",'`", ";\"~", "$^=")
# fmt: on
# TODO: better read this from the trace
MERCURY_CATEGORY = PassphraseCategory.LOWERCASE
MERCURY_COORDS_PREV: buttons.Coords = (0, 0)
# Testing the maximum length is really 50
DA_50 = 25 * "da"
DA_50_ADDRESS = "mg5L2i8HZKUvceK1sfmGHhE4gichFSsdvm"
assert len(DA_50) == 50
DA_49 = DA_50[:-1]
DA_49_ADDRESS = "mxrB75ydMS3ZzqmYKK28fj4bNMEx7dDw6e"
assert len(DA_49) == 49
assert DA_49_ADDRESS != DA_50_ADDRESS
DA_51 = DA_50 + "d"
DA_51_ADDRESS = DA_50_ADDRESS
assert len(DA_51) == 51
assert DA_51_ADDRESS == DA_50_ADDRESS
def get_passphrase_choices(char: str) -> tuple[str, ...]:
if char in " *#":
return PASSPHRASE_LOWERCASE
if char.islower():
return PASSPHRASE_LOWERCASE
elif char.isupper():
return PASSPHRASE_UPPERCASE
elif char.isdigit():
return PASSPHRASE_DIGITS
else:
return PASSPHRASE_SPECIAL
def passphrase(char: str) -> Tuple[buttons.Coords, int]:
choices = get_passphrase_choices(char)
idx = next(i for i, letters in enumerate(choices) if char in letters)
click_amount = choices[idx].index(char) + 1
return buttons.pin_passphrase_index(idx), click_amount
@contextmanager
def prepare_passphrase_dialogue(
device_handler: "BackgroundDeviceHandler", address: Optional[str] = None
) -> Generator["DebugLink", None, None]:
debug = device_handler.debuglink()
device_handler.run(get_test_address) # type: ignore
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# TODO
assert debug.read_layout().main_component() == "PassphraseKeyboard"
# Resetting the category as it could have been changed by previous tests
global MERCURY_CATEGORY
MERCURY_CATEGORY = PassphraseCategory.LOWERCASE # type: ignore
yield debug
result = device_handler.result()
if address is not None:
assert result == address
def go_to_category(debug: "DebugLink", category: PassphraseCategory) -> None:
"""Go to a specific category"""
global MERCURY_CATEGORY
global MERCURY_COORDS_PREV
# Already there
if MERCURY_CATEGORY == category:
return
current_index = MERCURY_CATEGORIES.index(MERCURY_CATEGORY)
target_index = MERCURY_CATEGORIES.index(category)
if target_index > current_index:
for _ in range(target_index - current_index):
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debug.swipe_left()
else:
for _ in range(current_index - target_index):
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debug.swipe_right()
MERCURY_CATEGORY = category # type: ignore
# Category changed, reset coordinates
MERCURY_COORDS_PREV = (0, 0) # type: ignore
def press_char(debug: "DebugLink", char: str) -> None:
"""Press a character"""
global MERCURY_COORDS_PREV
# Space and couple others are a special case
if char in " *#":
char_category = PassphraseCategory.LOWERCASE
else:
char_category = get_char_category(char)
go_to_category(debug, char_category)
coords, amount = passphrase(char)
# If the button is the same as for the previous char,
# waiting a second before pressing it again.
if coords == MERCURY_COORDS_PREV:
time.sleep(1.1)
MERCURY_COORDS_PREV = coords # type: ignore
for _ in range(amount):
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debug.click(coords)
def input_passphrase(debug: "DebugLink", passphrase: str, check: bool = True) -> None:
"""Input a passphrase with validation it got added"""
if check:
before = debug.read_layout().passphrase()
for char in passphrase:
press_char(debug, char)
if check:
after = debug.read_layout().passphrase()
assert after == before + passphrase
def enter_passphrase(debug: "DebugLink") -> None:
"""Enter a passphrase"""
is_empty: bool = len(debug.read_layout().passphrase()) == 0
coords = buttons.CORNER_BUTTON # top-right corner
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debug.click(coords)
if is_empty:
debug.click(buttons.MERCURY_YES)
def delete_char(debug: "DebugLink") -> None:
"""Deletes the last char"""
coords = buttons.pin_passphrase_grid(9)
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debug.click(coords)
VECTORS = ( # passphrase, address
(CommonPass.SHORT, CommonPass.SHORT_ADDRESS),
(CommonPass.WITH_SPACE, CommonPass.WITH_SPACE_ADDRESS),
(CommonPass.RANDOM_25, CommonPass.RANDOM_25_ADDRESS),
(DA_49, DA_49_ADDRESS),
(DA_50, DA_50_ADDRESS),
)
@pytest.mark.parametrize("passphrase, address", VECTORS)
@pytest.mark.setup_client(passphrase=True)
def test_passphrase_input(
device_handler: "BackgroundDeviceHandler", passphrase: str, address: str
):
with prepare_passphrase_dialogue(device_handler, address) as debug:
input_passphrase(debug, passphrase)
enter_passphrase(debug)
@pytest.mark.setup_client(passphrase=True)
def test_passphrase_input_over_50_chars(device_handler: "BackgroundDeviceHandler"):
with prepare_passphrase_dialogue(device_handler, DA_51_ADDRESS) as debug: # type: ignore
input_passphrase(debug, DA_51, check=False)
assert debug.read_layout().passphrase() == DA_50
enter_passphrase(debug)
@pytest.mark.setup_client(passphrase=True)
def test_passphrase_delete(device_handler: "BackgroundDeviceHandler"):
with prepare_passphrase_dialogue(device_handler, CommonPass.SHORT_ADDRESS) as debug:
input_passphrase(debug, CommonPass.SHORT[:8])
for _ in range(4):
delete_char(debug)
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debug.read_layout()
input_passphrase(debug, CommonPass.SHORT[8 - 4 :])
enter_passphrase(debug)
@pytest.mark.setup_client(passphrase=True)
def test_passphrase_delete_all(
device_handler: "BackgroundDeviceHandler",
):
with prepare_passphrase_dialogue(device_handler, CommonPass.EMPTY_ADDRESS) as debug:
passphrase = "trezor"
input_passphrase(debug, passphrase)
for _ in range(len(passphrase)):
delete_char(debug)
enter_passphrase(debug)
@pytest.mark.setup_client(passphrase=True)
def test_passphrase_loop_all_characters(device_handler: "BackgroundDeviceHandler"):
with prepare_passphrase_dialogue(device_handler, CommonPass.EMPTY_ADDRESS) as debug:
for category in (
PassphraseCategory.DIGITS,
PassphraseCategory.LOWERCASE,
PassphraseCategory.UPPERCASE,
PassphraseCategory.SPECIAL,
):
go_to_category(debug, category)
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debug.read_layout()
enter_passphrase(debug)
coords = buttons.pin_passphrase_grid(11)
debug.click(coords)
@pytest.mark.setup_client(passphrase=True)
def test_passphrase_click_same_button_many_times(
device_handler: "BackgroundDeviceHandler",
):
with prepare_passphrase_dialogue(device_handler) as debug:
a_coords, _ = buttons.passphrase("a")
for _ in range(10):
debug.click(a_coords)
enter_passphrase(debug)
@pytest.mark.setup_client(passphrase=True)
def test_passphrase_prompt_disappears(
device_handler: "BackgroundDeviceHandler",
):
with prepare_passphrase_dialogue(device_handler) as debug:
input_passphrase(debug, "a")
# Wait a second for the prompt to disappear
time.sleep(1.1)
enter_passphrase(debug)
@pytest.mark.setup_client(passphrase=True)
def test_passphrase_long_spaces_deletion(
device_handler: "BackgroundDeviceHandler",
):
with prepare_passphrase_dialogue(device_handler) as debug:
input_passphrase(
debug,
"a"
+ " " * 7
+ "b"
+ " " * 7
+ "c"
+ " " * 7
+ "d"
+ " " * 7
+ "e"
+ " " * 7
+ "f",
)
for _ in range(12):
delete_char(debug)
enter_passphrase(debug)
@pytest.mark.setup_client(passphrase=True)
def test_passphrase_dollar_sign_deletion(
device_handler: "BackgroundDeviceHandler",
):
# Checks that dollar signs will not leave one pixel on the top after deleting
# (was a bug previously on model T)
with prepare_passphrase_dialogue(device_handler, CommonPass.EMPTY_ADDRESS) as debug:
passphrase = "$$ I want $$"
input_passphrase(debug, passphrase)
for _ in range(len(passphrase)):
delete_char(debug)
enter_passphrase(debug)
@pytest.mark.setup_client(passphrase=True)
def test_cycle_through_last_character(
device_handler: "BackgroundDeviceHandler",
):
# Checks that we can cycle through the last (50th) passphrase character
# (was a bug previously)
with prepare_passphrase_dialogue(device_handler) as debug:
passphrase = DA_49 + "i" # for i we need to cycle through "ghi" three times
input_passphrase(debug, passphrase)
enter_passphrase(debug)