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 connect_sequence 11 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 12 import get_descriptors_sequence 13 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 14 import mbim_open_generic_sequence 15 16 17 class cellular_MbimComplianceCM09(mbim_test_base.MbimTestBase): 18 """ 19 CM_09 Validation of TransactionId for notifications received after connect 20 sequence. 21 22 This test verifies that TransactionId for notifications is zero. 23 24 Reference: 25 [1] Universal Serial Bus Communication Class MBIM Compliance Testing: 41 26 http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf 27 28 """ 29 version = 1 30 31 def run_internal(self): 32 """ Run CM_09 test. """ 33 # Precondition 34 descriptors = get_descriptors_sequence.GetDescriptorsSequence( 35 self.device_context).run() 36 self.device_context.update_descriptor_cache(descriptors) 37 mbim_open_generic_sequence.MBIMOpenGenericSequence( 38 self.device_context).run() 39 40 # Step 1 41 _, _, notifications = ( 42 connect_sequence.ConnectSequence(self.device_context).run()) 43 44 # Step 2 45 for notification in notifications: 46 if notification.transaction_id != 0: 47 mbim_errors.log_and_raise( 48 mbim_errors.MBIMComplianceAssertionError, 49 'mbim1.0:9.1#1') 50
