1#!/usr/bin/env python3 2# 3# Copyright (c) 2020, The OpenThread Authors. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 3. Neither the name of the copyright holder nor the 14# names of its contributors may be used to endorse or promote products 15# derived from this software without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27# POSSIBILITY OF SUCH DAMAGE. 28# 29 30import unittest 31 32import pexpect 33import config 34import thread_cert 35 36LEADER = 1 37ROUTER = 2 38 39 40class TestCoapBlockTransfer(thread_cert.TestCase): 41 """ 42 Test suite for CoAP Block-Wise Transfers (RFC7959). 43 """ 44 45 SUPPORT_NCP = False 46 47 TOPOLOGY = { 48 LEADER: { 49 'mode': 'rdn', 50 'whitelist': [ROUTER] 51 }, 52 ROUTER: { 53 'mode': 'rdn', 54 'whitelist': [LEADER] 55 }, 56 } 57 58 def _do_transfer_test(self, method): 59 self.nodes[LEADER].start() 60 self.simulator.go(config.LEADER_STARTUP_DELAY) 61 self.assertEqual(self.nodes[LEADER].get_state(), 'leader') 62 63 self.nodes[ROUTER].start() 64 self.simulator.go(config.ROUTER_STARTUP_DELAY) 65 self.assertEqual(self.nodes[ROUTER].get_state(), 'router') 66 67 mleid = self.nodes[LEADER].get_ip6_address(config.ADDRESS_TYPE.ML_EID) 68 69 self.nodes[LEADER].coap_start() 70 self.nodes[LEADER].coap_set_resource_path_block('test', 10) 71 72 self.nodes[ROUTER].coap_start() 73 74 if method == 'GET': 75 response = self.nodes[ROUTER].coap_get_block(mleid, 'test', size=32) 76 response_payload = response['payload'] 77 self.assertIsNotNone(response_payload) 78 79 if method == 'PUT': 80 self.nodes[ROUTER].coap_put_block(mleid, 'test', size=256, count=2) 81 request = self.nodes[ROUTER].coap_wait_request() 82 request_payload = request['payload'] 83 self.assertIsNotNone(request_payload) 84 85 if method == 'POST': 86 self.nodes[ROUTER].coap_post_block(mleid, 'test', size=1024, count=2) 87 request = self.nodes[ROUTER].coap_wait_request() 88 request_payload = request['payload'] 89 self.assertIsNotNone(request_payload) 90 91 self.simulator.go(10) 92 93 self.nodes[ROUTER].coap_stop() 94 self.nodes[LEADER].coap_stop() 95 96 def test_get(self): 97 """ 98 Test block-wise transfer using GET method. 99 """ 100 for trial in range(0, 3): 101 try: 102 self._do_transfer_test(method='GET') 103 break 104 except (AssertionError, pexpect.exceptions.TIMEOUT): 105 continue 106 107 def test_put(self): 108 """ 109 Test block-wise transfer using PUT method. 110 """ 111 for trial in range(0, 3): 112 try: 113 self._do_transfer_test(method='PUT') 114 break 115 except (AssertionError, pexpect.exceptions.TIMEOUT): 116 continue 117 118 def test_post(self): 119 """ 120 Test block-wise transfer using POST method. 121 """ 122 for trial in range(0, 3): 123 try: 124 self._do_transfer_test(method='POST') 125 break 126 except (AssertionError, pexpect.exceptions.TIMEOUT): 127 continue 128 129 130if __name__ == '__main__': 131 unittest.main() 132