| #!/usr/bin/env python |
| # Copyright 2013 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Tests for the cmd_helper module.""" |
| |
| import unittest |
| |
| from devil import devil_env |
| from devil.utils import lsusb |
| from devil.utils import mock_calls |
| |
| with devil_env.SysPath(devil_env.PYMOCK_PATH): |
| import mock # pylint: disable=import-error |
| |
| RAW_OUTPUT = """ |
| Bus 003 Device 007: ID 18d1:4ee2 Google Inc. Nexus 4 (debug) |
| Device Descriptor: |
| bLength 18 |
| bDescriptorType 1 |
| bcdUSB 2.00 |
| bDeviceClass 0 (Defined at Interface level) |
| bDeviceSubClass 0 |
| bDeviceProtocol 0 |
| bMaxPacketSize0 64 |
| idVendor 0x18d1 Google Inc. |
| idProduct 0x4ee2 Nexus 4 (debug) |
| bcdDevice 2.28 |
| iManufacturer 1 LGE |
| iProduct 2 Nexus 4 |
| iSerial 3 01d2450ea194a93b |
| bNumConfigurations 1 |
| Configuration Descriptor: |
| bLength 9 |
| bDescriptorType 2 |
| wTotalLength 62 |
| bNumInterfaces 2 |
| bConfigurationValue 1 |
| iConfiguration 0 |
| bmAttributes 0x80 |
| (Bus Powered) |
| MaxPower 500mA |
| Interface Descriptor: |
| bLength 9 |
| bDescriptorType 4 |
| bInterfaceNumber 0 |
| bAlternateSetting 0 |
| bNumEndpoints 3 |
| bInterfaceClass 255 Vendor Specific Class |
| bInterfaceSubClass 255 Vendor Specific Subclass |
| bInterfaceProtocol 0 |
| iInterface 4 MTP |
| Endpoint Descriptor: |
| bLength 7 |
| bDescriptorType 5 |
| bEndpointAddress 0x81 EP 1 IN |
| bmAttributes 2 |
| Transfer Type Bulk |
| Synch Type None |
| Usage Type Data |
| wMaxPacketSize 0x0040 1x 64 bytes |
| bInterval 0 |
| Endpoint Descriptor: |
| bLength 7 |
| bDescriptorType 5 |
| bEndpointAddress 0x01 EP 1 OUT |
| bmAttributes 2 |
| Transfer Type Bulk |
| Synch Type None |
| Usage Type Data |
| wMaxPacketSize 0x0040 1x 64 bytes |
| bInterval 0 |
| Endpoint Descriptor: |
| bLength 7 |
| bDescriptorType 5 |
| bEndpointAddress 0x82 EP 2 IN |
| bmAttributes 3 |
| Transfer Type Interrupt |
| Synch Type None |
| Usage Type Data |
| wMaxPacketSize 0x001c 1x 28 bytes |
| bInterval 6 |
| Interface Descriptor: |
| bLength 9 |
| bDescriptorType 4 |
| bInterfaceNumber 1 |
| bAlternateSetting 0 |
| bNumEndpoints 2 |
| bInterfaceClass 255 Vendor Specific Class |
| bInterfaceSubClass 66 |
| bInterfaceProtocol 1 |
| iInterface 0 |
| Endpoint Descriptor: |
| bLength 7 |
| bDescriptorType 5 |
| bEndpointAddress 0x83 EP 3 IN |
| bmAttributes 2 |
| Transfer Type Bulk |
| Synch Type None |
| Usage Type Data |
| wMaxPacketSize 0x0040 1x 64 bytes |
| bInterval 0 |
| Endpoint Descriptor: |
| bLength 7 |
| bDescriptorType 5 |
| bEndpointAddress 0x02 EP 2 OUT |
| bmAttributes 2 |
| Transfer Type Bulk |
| Synch Type None |
| Usage Type Data |
| wMaxPacketSize 0x0040 1x 64 bytes |
| bInterval 0 |
| Device Qualifier (for other device speed): |
| bLength 10 |
| bDescriptorType 6 |
| bcdUSB 2.00 |
| bDeviceClass 0 (Defined at Interface level) |
| bDeviceSubClass 0 |
| bDeviceProtocol 0 |
| bMaxPacketSize0 64 |
| bNumConfigurations 1 |
| Device Status: 0x0000 |
| (Bus Powered) |
| """ |
| DEVICE_LIST = 'Bus 003 Device 007: ID 18d1:4ee2 Google Inc. Nexus 4 (debug)' |
| |
| EXPECTED_RESULT = { |
| 'device': '007', |
| 'bus': '003', |
| 'desc': 'ID 18d1:4ee2 Google Inc. Nexus 4 (debug)', |
| 'Device': { |
| '_value': 'Status:', |
| '_desc': '0x0000', |
| '(Bus': { |
| '_value': 'Powered)', |
| '_desc': None |
| } |
| }, |
| 'Device Descriptor': { |
| 'bLength': {'_value': '18', '_desc': None}, |
| 'bcdDevice': {'_value': '2.28', '_desc': None}, |
| 'bDeviceSubClass': {'_value': '0', '_desc': None}, |
| 'idVendor': {'_value': '0x18d1', '_desc': 'Google Inc.'}, |
| 'bcdUSB': {'_value': '2.00', '_desc': None}, |
| 'bDeviceProtocol': {'_value': '0', '_desc': None}, |
| 'bDescriptorType': {'_value': '1', '_desc': None}, |
| 'Configuration Descriptor': { |
| 'bLength': {'_value': '9', '_desc': None}, |
| 'wTotalLength': {'_value': '62', '_desc': None}, |
| 'bConfigurationValue': {'_value': '1', '_desc': None}, |
| 'Interface Descriptor': { |
| 'bLength': {'_value': '9', '_desc': None}, |
| 'bAlternateSetting': {'_value': '0', '_desc': None}, |
| 'bInterfaceNumber': {'_value': '1', '_desc': None}, |
| 'bNumEndpoints': {'_value': '2', '_desc': None}, |
| 'bDescriptorType': {'_value': '4', '_desc': None}, |
| 'bInterfaceSubClass': {'_value': '66', '_desc': None}, |
| 'bInterfaceClass': { |
| '_value': '255', |
| '_desc': 'Vendor Specific Class' |
| }, |
| 'bInterfaceProtocol': {'_value': '1', '_desc': None}, |
| 'Endpoint Descriptor': { |
| 'bLength': {'_value': '7', '_desc': None}, |
| 'bEndpointAddress': {'_value': '0x02', '_desc': 'EP 2 OUT'}, |
| 'bInterval': {'_value': '0', '_desc': None}, |
| 'bDescriptorType': {'_value': '5', '_desc': None}, |
| 'bmAttributes': { |
| '_value': '2', |
| 'Transfer': {'_value': 'Type', '_desc': 'Bulk'}, |
| 'Usage': {'_value': 'Type', '_desc': 'Data'}, |
| '_desc': None, |
| 'Synch': {'_value': 'Type', '_desc': 'None'} |
| }, |
| 'wMaxPacketSize': { |
| '_value': '0x0040', |
| '_desc': '1x 64 bytes' |
| } |
| }, |
| 'iInterface': {'_value': '0', '_desc': None} |
| }, |
| 'bDescriptorType': {'_value': '2', '_desc': None}, |
| 'iConfiguration': {'_value': '0', '_desc': None}, |
| 'bmAttributes': { |
| '_value': '0x80', |
| '_desc': None, |
| '(Bus': {'_value': 'Powered)', '_desc': None} |
| }, |
| 'bNumInterfaces': {'_value': '2', '_desc': None}, |
| 'MaxPower': {'_value': '500mA', '_desc': None} |
| }, |
| 'iSerial': {'_value': '3', '_desc': '01d2450ea194a93b'}, |
| 'idProduct': {'_value': '0x4ee2', '_desc': 'Nexus 4 (debug)'}, |
| 'iManufacturer': {'_value': '1', '_desc': 'LGE'}, |
| 'bDeviceClass': { |
| '_value': '0', |
| '_desc': '(Defined at Interface level)' |
| }, |
| 'iProduct': {'_value': '2', '_desc': 'Nexus 4'}, |
| 'bMaxPacketSize0': {'_value': '64', '_desc': None}, |
| 'bNumConfigurations': {'_value': '1', '_desc': None} |
| }, |
| 'Device Qualifier (for other device speed)': { |
| 'bLength': {'_value': '10', '_desc': None}, |
| 'bNumConfigurations': {'_value': '1', '_desc': None}, |
| 'bDeviceSubClass': {'_value': '0', '_desc': None}, |
| 'bcdUSB': {'_value': '2.00', '_desc': None}, |
| 'bDeviceProtocol': {'_value': '0', '_desc': None}, |
| 'bDescriptorType': {'_value': '6', '_desc': None}, |
| 'bDeviceClass': { |
| '_value': '0', |
| '_desc': '(Defined at Interface level)' |
| }, |
| 'bMaxPacketSize0': {'_value': '64', '_desc': None} |
| } |
| } |
| |
| |
| class LsusbTest(mock_calls.TestCase): |
| """Test Lsusb parsing.""" |
| |
| def testLsusb(self): |
| with self.assertCalls( |
| (mock.call.devil.utils.cmd_helper.GetCmdStatusAndOutputWithTimeout( |
| ['lsusb'], timeout=10), (None, DEVICE_LIST)), |
| (mock.call.devil.utils.cmd_helper.GetCmdStatusAndOutputWithTimeout( |
| ['lsusb', '-v', '-s', '003:007'], timeout=10), (None, RAW_OUTPUT))): |
| self.assertDictEqual(lsusb.lsusb().pop(), EXPECTED_RESULT) |
| |
| def testGetSerial(self): |
| with self.assertCalls( |
| (mock.call.devil.utils.cmd_helper.GetCmdStatusAndOutputWithTimeout( |
| ['lsusb'], timeout=10), (None, DEVICE_LIST)), |
| (mock.call.devil.utils.cmd_helper.GetCmdStatusAndOutputWithTimeout( |
| ['lsusb', '-v', '-s', '003:007'], timeout=10), (None, RAW_OUTPUT))): |
| self.assertEqual(lsusb.get_android_devices(), ['01d2450ea194a93b']) |
| |
| def testGetLsusbSerial(self): |
| with self.assertCalls( |
| (mock.call.devil.utils.cmd_helper.GetCmdStatusAndOutputWithTimeout( |
| ['lsusb'], timeout=10), (None, DEVICE_LIST)), |
| (mock.call.devil.utils.cmd_helper.GetCmdStatusAndOutputWithTimeout( |
| ['lsusb', '-v', '-s', '003:007'], timeout=10), (None, RAW_OUTPUT))): |
| out = lsusb.lsusb().pop() |
| self.assertEqual(lsusb.get_lsusb_serial(out), '01d2450ea194a93b') |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
