1 # Copyright 2014 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import common 6 from autotest_lib.client.cros.cellular.mbim_compliance import mbim_errors 7 from autotest_lib.client.cros.cellular.mbim_compliance \ 8 import mbim_test_base 9 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 10 import get_descriptors_sequence 11 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 12 import mbim_cid_device_caps_sequence 13 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 14 import mbim_open_generic_sequence 15 16 17 class cellular_MbimComplianceCM04(mbim_test_base.MbimTestBase): 18 """ 19 CM_04 Validation of |transaction_id| in modem's response to MBIM_COMMAND_MSG 20 21 This section contains tests that validate the specifics of MBIM_COMMAND_MSG 22 request and the function's response. 23 24 Reference: 25 [1] Universal Serial Bus Communication Class MBIM Compliance Testing: 38 26 http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf 27 """ 28 version = 1 29 30 def run_internal(self): 31 """ Run CM_04 test. """ 32 # Precondition 33 descriptors = get_descriptors_sequence.GetDescriptorsSequence( 34 self.device_context).run() 35 self.device_context.update_descriptor_cache(descriptors) 36 mbim_open_generic_sequence.MBIMOpenGenericSequence( 37 self.device_context).run() 38 39 # Step 1 40 command_message, response_message = ( 41 mbim_cid_device_caps_sequence.MBIMCIDDeviceCapsSequence( 42 self.device_context).run()) 43 # Validate |transaction_id| in the response to MBIM_COMMAND_MSG. 44 if response_message.transaction_id != command_message.transaction_id: 45 mbim_errors.log_and_raise(mbim_errors.MBIMComplianceAssertionError, 46 'mbim1.0:9.4.3') 47
