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|
#!/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()
|
