def test_TD_COAP_BLOCK_04(self):
"""
Identifier: TD_COAP_BLOCK_04
Objective: Handle POST block wise transfer for large resource
Configuration: CoAP_CFG_01
Pre-test conditions:
- Client supports Block transfers
- Server supports Block transfers
- Server accepts creation of new resources on /large-create
- Step 1 stimulus Client is requested to create a new resource on Server
- Step 2 (check (CON)) Client sends a POST request containing Block1 option
indicating block number 0 and block size
- Step 3 (check (CON)) Client sends further requests containing
Block1 option indicating block number and size
- Step 4 (verify (IOP)) Server indicates presence of the complete new resource
"""
payload = "7" * 63 * 20
r = coap.post(self.server.url + "/large-create",
confirmable=True, payload=payload,
options={options.block1: (0, PLUGTEST_BLOCK_SIZE)})
# get actual number of blocks for check
self.assertIn(options.block1, r.sent.options)
self.assertEqual(msgType.ack, r.msgType)
self.assertEqual(r.code, codes.created)
maxNUM = r.options[options.block1]
self.assertEqual((options.BLOCK1, maxNUM, message.encodeSZX(PLUGTEST_BLOCK_SIZE), False,), r.options[options.block1] )
assert(r.hasLocation)
def test_TD_COAP_BLOCK_02(self):
"""
:Identifier: TD_COAP_BLOCK_02
:Objective: Handle GET block wise transfer for large resource (late negotiation)
:Configuration: CoAP_CFG_01
:Pre-test conditions:
- Client supports Block transfers
- Server supports Block transfers
- Server offers a large resource /large
- Client does not know /large requires block transfer
- Step 1 stimulus Client is requested to retrieve resource /large
- Step 2 (check (CON)) Client sends a GET request not containing Block2 option
- Step 3 (check (CON)) Server sends response containing Block2 option indicating block number and size
- Step 4 (check (CON)) Client send GET requests for further blocks
- Step 5 (check (CON)) Each request contains Block2 option indicating block number
of the next block and size of the last received block or the
desired size of next block
- Step 6 (check (CON)) Server sends further responses containing
Block2 option indicating block number and size
- Step 7 (verify (IOP)) Client displays the received information
"""
r = coap.get(self.server.url + "/large", confirmable=True)
self.assertEqual(r.code, codes.content)
self.assertEqual(r.msgType, msgType.ack)
self.assertin(r.options, options.block2)
# get actual number of blocks for check
maxNUM = r.options[options.block2]
self.assertEqual(r.options[options.block2],
options.BLOCK2, maxNUM, message.encodeSZX(PLUGTEST_BLOCK_SIZE))