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import unittest
try:
from unittest.mock import patch
except ImportError:
from mock import patch
try:
from adb_shell.transport.usb_transport import UsbTransport
except (ImportError, OSError):
UsbTransport = None
class TestUsbImportError(unittest.TestCase):
def test_import_error(self):
"""Test that the package still works when ``libusb1`` is not installed."""
from adb_shell import adb_device
from adb_shell.exceptions import InvalidTransportError
# TODO: I can't manage to trigger an `ImportError` in adb_device.py
# self.assertIsNone(adb_device.UsbTransport)
# In lieu of a real `ImportError`, I'll just set this to None
with patch("adb_shell.adb_device.UsbTransport", None):
with self.assertRaises(InvalidTransportError):
adb_device.AdbDeviceUsb('serial')
def test_import_successful(self):
from adb_shell import adb_device
if UsbTransport is not None:
# Make sure `UsbTransport` was imported
with patch("adb_shell.adb_device.UsbTransport", UsbTransport):
with patch("adb_shell.adb_device.UsbTransport.find_adb", return_value=UsbTransport("TODO", "TODO")):
adb_device.AdbDeviceUsb("serial")
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