# Copyright (C) 2009-2010 Wander Lairson Costa
#
# The following terms apply to all files associated
# with the software unless explicitly disclaimed in individual files.
#
# The authors hereby grant permission to use, copy, modify, distribute,
# and license this software and its documentation for any purpose, provided
# that existing copyright notices are retained in all copies and that this
# notice is included verbatim in any distributions. No written agreement,
# license, or royalty fee is required for any of the authorized uses.
# Modifications to this software may be copyrighted by their authors
# and need not follow the licensing terms described here, provided that
# the new terms are clearly indicated on the first page of each file where
# they apply.
#
# IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
# FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
# ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
# DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
# IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
# NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
# MODIFICATIONS.
# Integraion tests
import utils
import unittest
import usb.core
import devinfo
import usb.util
import sys
import usb.backend.libusb01 as libusb01
import usb.backend.libusb10 as libusb10
import usb.backend.openusb as openusb
data_list = (utils.get_array_data1(),
utils.get_array_data2(),
utils.get_list_data1(),
utils.get_list_data2(),
utils.get_str_data1(),
utils.get_str_data1())
class DeviceTest(unittest.TestCase):
def __init__(self, dev):
unittest.TestCase.__init__(self)
self.dev = dev
def runTest(self):
try:
self.test_attributes()
self.test_timeout()
self.test_set_configuration()
self.test_set_interface_altsetting()
self.test_write_read()
self.test_ctrl_transfer()
self.test_reset()
finally:
usb.util.dispose_resources(self.dev)
def test_attributes(self):
self.assertEqual(self.dev.bLength, 18)
self.assertEqual(self.dev.bDescriptorType, usb.util.DESC_TYPE_DEVICE)
self.assertEqual(self.dev.bcdUSB, 0x0200)
self.assertEqual(self.dev.idVendor, devinfo.ID_VENDOR)
self.assertEqual(self.dev.idProduct, devinfo.ID_PRODUCT)
self.assertEqual(self.dev.bcdDevice, 0x0001)
self.assertEqual(self.dev.iManufacturer, 0x01)
self.assertEqual(self.dev.iProduct, 0x02)
self.assertEqual(self.dev.iSerialNumber, 0x00)
self.assertEqual(self.dev.bNumConfigurations, 0x01)
self.assertEqual(self.dev.bMaxPacketSize0, 64)
self.assertEqual(self.dev.bDeviceClass, 0x00)
self.assertEqual(self.dev.bDeviceSubClass, 0x00)
self.assertEqual(self.dev.bDeviceProtocol, 0x00)
def test_timeout(self):
def set_invalid_timeout():
self.dev.default_timeout = -1
tmo = self.dev.default_timeout
self.dev.default_timeout = 1
self.assertEqual(self.dev.default_timeout, 1)
self.dev.default_timeout = tmo
self.assertEqual(self.dev.default_timeout, tmo)
self.assertRaises(ValueError, set_invalid_timeout)
self.assertEqual(self.dev.default_timeout, tmo)
def test_set_configuration(self):
cfg = self.dev[0].bConfigurationValue
self.dev.set_configuration(cfg)
self.dev.set_configuration()
self.assertEqual(cfg, self.dev.get_active_configuration().bConfigurationValue)
def test_set_interface_altsetting(self):
intf = self.dev.get_active_configuration()[(0,0)]
cfg = usb.core.Configuration(self.dev).bConfigurationValue
self.dev.set_interface_altsetting(intf.bInterfaceNumber, intf.bAlternateSetting)
self.dev.set_interface_altsetting()
def test_reset(self):
self.dev.reset()
utils.delay_after_reset()
def test_write_read(self):
ep_list = ((devinfo.EP_BULK_OUT, devinfo.EP_BULK_IN),
(devinfo.EP_INTR_OUT, devinfo.EP_INTR_IN))
for ep in ep_list:
for data in data_list:
ret = self.dev.write(ep[0], data)
self.assertEqual(ret,
len(data),
'Failed to write data: ' + \
str(data) + ', in EP = ' + \
str(ep[0])
)
ret = utils.to_array(self.dev.read(ep[1], len(data)))
self.assertEqual(ret,
utils.to_array(data),
str(ret) + ' != ' + \
str(data) + ', in EP = ' + \
str(ep[1])
)
def test_ctrl_transfer(self):
for data in data_list:
ret = self.dev.ctrl_transfer(
0x40,
devinfo.CTRL_LOOPBACK_WRITE,
0,
0,
data
)
self.assertEqual(ret,
len(data),
'Failed to write data: ' + str(data))
ret = utils.to_array(self.dev.ctrl_transfer(
0xC0,
devinfo.CTRL_LOOPBACK_READ,
0,
0,
len(data)
))
self.assertEqual(ret,
utils.to_array(data),
str(ret) + ' != ' + str(data))
class ConfigurationTest(unittest.TestCase):
def __init__(self, dev):
unittest.TestCase.__init__(self)
self.cfg = dev[0]
def runTest(self):
try:
self.test_attributes()
self.test_set()
finally:
usb.util.dispose_resources(self.cfg.device)
def test_attributes(self):
self.assertEqual(self.cfg.bLength, 9)
self.assertEqual(self.cfg.bDescriptorType, usb.util.DESC_TYPE_CONFIG)
self.assertEqual(self.cfg.wTotalLength, 60)
self.assertEqual(self.cfg.bNumInterfaces, 0x01)
self.assertEqual(self.cfg.bConfigurationValue, 0x01)
self.assertEqual(self.cfg.iConfiguration, 0x00)
self.assertEqual(self.cfg.bmAttributes, 0xC0)
self.assertEqual(self.cfg.bMaxPower, 50)
def test_set(self):
self.cfg.set()
class InterfaceTest(unittest.TestCase):
def __init__(self, dev):
unittest.TestCase.__init__(self)
self.intf = dev[0][(0,0)]
def runTest(self):
try:
self.test_attributes()
self.test_set_altsetting()
finally:
usb.util.dispose_resources(self.intf.device)
def test_attributes(self):
self.assertEqual(self.intf.bLength, 9)
self.assertEqual(self.intf.bDescriptorType, usb.util.DESC_TYPE_INTERFACE)
self.assertEqual(self.intf.bInterfaceNumber, 0)
self.assertEqual(self.intf.bAlternateSetting, 0)
self.assertEqual(self.intf.bNumEndpoints, 6)
self.assertEqual(self.intf.bInterfaceClass, 0xFF)
self.assertEqual(self.intf.bInterfaceSubClass, 0xFF)
self.assertEqual(self.intf.bInterfaceProtocol, 0xFF)
self.assertEqual(self.intf.iInterface, 0x00)
def test_set_altsetting(self):
self.intf.set_altsetting()
class EndpointTest(unittest.TestCase):
def __init__(self, dev):
unittest.TestCase.__init__(self)
dev.set_configuration()
intf = dev[0][(0,0)]
self.ep_out = usb.util.find_descriptor(intf, bEndpointAddress=0x01)
self.ep_in = usb.util.find_descriptor(intf, bEndpointAddress=0x81)
def runTest(self):
try:
self.test_attributes()
self.test_write_read()
finally:
usb.util.dispose_resources(self.ep_out.device)
usb.util.dispose_resources(self.ep_in.device)
def test_attributes(self):
self.assertEqual(self.ep_out.bLength, 7)
self.assertEqual(self.ep_out.bDescriptorType, usb.util.DESC_TYPE_ENDPOINT)
self.assertEqual(self.ep_out.bEndpointAddress, 0x01)
self.assertEqual(self.ep_out.bmAttributes, 0x02)
self.assertEqual(self.ep_out.wMaxPacketSize, 64)
self.assertEqual(self.ep_out.bInterval, 32)
def test_write_read(self):
for data in data_list:
ret = self.ep_out.write(data)
self.assertEqual(ret, len(data), 'Failed to write data: ' + str(data))
ret = utils.to_array(self.ep_in.read(len(data)))
self.assertEqual(ret, utils.to_array(data), str(ret) + ' != ' + str(data))
def get_suite():
suite = unittest.TestSuite()
test_cases = (DeviceTest, ConfigurationTest, InterfaceTest, EndpointTest)
for m in (libusb10, libusb01, openusb):
b = m.get_backend()
if b is None:
continue
dev = usb.core.find(backend=b,
idVendor=devinfo.ID_VENDOR,
idProduct=devinfo.ID_PRODUCT)
if dev is None:
utils.logger.warning('Test hardware not found for backend %s', m.__name__)
continue
for ObjectTestCase in test_cases:
utils.logger.info('Adding %s(%s) to test suite...', ObjectTestCase.__name__, m.__name__)
suite.addTest(ObjectTestCase(dev))
return suite
if __name__ == '__main__':
utils.run_tests(get_suite())
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