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trezor-firmware/trezorlib/tests/unit_tests/test_transport.py
matejcik 5edcea9ba6
transport: fix all_transports when required modules are missing (#232)
This lets the library work without libusb or hidapi (`--disable-libusb`, `--disable-hidapi`).
2018-03-09 10:58:24 +01:00

14 lines
468 B
Python

import mock
from trezorlib.transport import all_transports
def test_all_transports_without_hid():
# import all transports, assume this doesn't fail
transports_ref = all_transports()
# also shouldn't fail when bridge transport is missing
with mock.patch.dict('sys.modules', {'trezorlib.transport.bridge': None}):
transports = all_transports()
# there should now be less transports
assert len(transports_ref) > len(transports)