| # Copyright 2015 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import array |
| import logging |
| import unittest |
| |
| import common |
| from autotest_lib.client.cros.cellular.mbim_compliance import mbim_constants |
| from autotest_lib.client.cros.cellular.mbim_compliance import mbim_data_transfer |
| |
| class TestMbimDeviceContext(object): |
| """ Dummy device context. """ |
| pass |
| |
| class TestMbimDescriptorCache(object): |
| """ Dummy MBIM descriptor cache. """ |
| pass |
| |
| class TestMbimEndpointDescriptor(object): |
| """ Dummy MBIM endpoint descriptor. """ |
| pass |
| |
| class MBIMMessageTestCase(unittest.TestCase): |
| """ Test cases for verifying MBIMDataTransfer class and MBIMNtb class. """ |
| |
| def test_ntb_generation(self): |
| """ Verifies the NTB frame generation from the given payload. """ |
| |
| ntb = mbim_data_transfer.MBIMNtb(mbim_constants.NTB_FORMAT_32) |
| payload = [array.array('B', [0x45, 0x00, 0x00, 0x46, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x01, 0xBC, 0xB4, 0x7F, 0x00, |
| 0x00, 0x01, 0x7F, 0x00, 0x00, 0x02, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, |
| 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, |
| 0x76, 0x77, 0x61, 0x62, 0x63, 0x64, 0x65, |
| 0x66, 0x67, 0x68, 0x69, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00])] |
| ntb_frame = ntb.generate_ntb(payload, 1024, 32, 0, 1) |
| verify_ntb_frame = array.array('B', [0x6E, 0x63, 0x6D, 0x68, 0x10, |
| 0x00, 0x00, 0x00, 0x90, 0x00, |
| 0x00, 0x00, 0x70, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x45, 0x00, 0x00, |
| 0x46, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x01, 0xBC, 0xB4, 0x7F, |
| 0x00, 0x00, 0x01, 0x7F, 0x00, |
| 0x00, 0x02, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x01, |
| 0x61, 0x62, 0x63, 0x64, 0x65, |
| 0x66, 0x67, 0x68, 0x69, 0x6A, |
| 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, |
| 0x70, 0x71, 0x72, 0x73, 0x74, |
| 0x75, 0x76, 0x77, 0x61, 0x62, |
| 0x63, 0x64, 0x65, 0x66, 0x67, |
| 0x68, 0x69, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x69, 0x70, 0x73, |
| 0x00, 0x20, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x20, 0x00, |
| 0x00, 0x00, 0x50, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00]) |
| self.assertEqual(ntb_frame, verify_ntb_frame) |
| |
| |
| def test_ntb_parsing(self): |
| """ Verifies the NTB frame parsing from the given NTB frame. """ |
| |
| ntb = mbim_data_transfer.MBIMNtb(mbim_constants.NTB_FORMAT_32) |
| ntb_frame = array.array('B', [0x6E, 0x63, 0x6D, 0x68, 0x10, |
| 0x00, 0x01, 0x00, 0x90, 0x00, |
| 0x00, 0x00, 0x70, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x45, 0x00, 0x00, |
| 0x46, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x01, 0xBC, 0xB4, 0x7F, |
| 0x00, 0x00, 0x01, 0x7F, 0x00, |
| 0x00, 0x02, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x01, |
| 0x61, 0x62, 0x63, 0x64, 0x65, |
| 0x66, 0x67, 0x68, 0x69, 0x6A, |
| 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, |
| 0x70, 0x71, 0x72, 0x73, 0x74, |
| 0x75, 0x76, 0x77, 0x61, 0x62, |
| 0x63, 0x64, 0x65, 0x66, 0x67, |
| 0x68, 0x69, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x69, 0x70, 0x73, |
| 0x00, 0x20, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x20, 0x00, |
| 0x00, 0x00, 0x50, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00]) |
| nth, ndp, ndp_entries, payload = ntb.parse_ntb(ntb_frame) |
| verify_payload = [array.array('B', [0x45, 0x00, 0x00, 0x46, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x01, 0xBC, 0xB4, |
| 0x7F, 0x00, 0x00, 0x01, 0x7F, 0x00, |
| 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x01, 0x61, 0x62, |
| 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, |
| 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, |
| 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, |
| 0x75, 0x76, 0x77, 0x61, 0x62, 0x63, |
| 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00])] |
| # Verify the fields of the headers and payload |
| self.assertEqual(nth.signature, mbim_data_transfer.NTH_SIGNATURE_32) |
| self.assertEqual(nth.header_length, 16) |
| self.assertEqual(nth.sequence_number, 1) |
| self.assertEqual(nth.block_length, 144) |
| self.assertEqual(nth.fp_index, 112) |
| self.assertEqual(ndp.signature, mbim_data_transfer.NDP_SIGNATURE_IPS_32) |
| self.assertEqual(ndp.length, 32) |
| self.assertEqual(ndp.next_ndp_index, 0) |
| self.assertEqual(ndp_entries[0].datagram_index, 32) |
| self.assertEqual(ndp_entries[0].datagram_length, 80) |
| self.assertEqual(ndp_entries[1].datagram_index, 0) |
| self.assertEqual(ndp_entries[1].datagram_length, 0) |
| self.assertEqual(payload, verify_payload) |
| |
| |
| def test_data_transfer_object_creation(self): |
| """ Verifies the Data transfer object creation. """ |
| device_context = TestMbimDeviceContext() |
| device_context.device = 1 |
| device_context.max_out_data_transfer_size = 100 |
| device_context.max_in_data_transfer_size = 100 |
| device_context.out_data_transfer_divisor = 32 |
| device_context.out_data_transfer_payload_remainder = 0 |
| device_context.descriptor_cache = TestMbimDescriptorCache() |
| device_context.descriptor_cache.mbim_data_interface = ( |
| TestMbimDescriptorCache()) |
| device_context.descriptor_cache.bulk_in_endpoint = ( |
| TestMbimDescriptorCache()) |
| device_context.descriptor_cache.bulk_out_endpoint = ( |
| TestMbimDescriptorCache()) |
| device_context.descriptor_cache.mbim_data_interface.bInterfaceNumber = 0 |
| device_context.descriptor_cache.bulk_in_endpoint.bEndpointAddress = 0 |
| device_context.descriptor_cache.bulk_out_endpoint.bEndpointAddress = 0 |
| data_transfer = mbim_data_transfer.MBIMDataTransfer(device_context) |
| |
| |
| def test_data_transfer_send(self): |
| """ Verifies the send_data_packets API in data transfer. """ |
| #TODO(rpius): Need to come up with a way to unittest the data transfer |
| |
| |
| def test_data_transfer_received(self): |
| """ Verifies the receive_data_packets API in data transfer. """ |
| #TODO(rpius): Need to come up with a way to unittest the data transfer |
| |
| |
| if __name__ == '__main__': |
| logging.basicConfig(level=logging.DEBUG) |
| unittest.main() |
