diff options
Diffstat (limited to 'test/test_papi.py')
| -rw-r--r-- | test/test_papi.py | 452 |
1 files changed, 450 insertions, 2 deletions
diff --git a/test/test_papi.py b/test/test_papi.py index 81a8f48c290..e28352f9b9b 100644 --- a/test/test_papi.py +++ b/test/test_papi.py @@ -1,8 +1,6 @@ import binascii from framework import VppTestCase from vpp_papi import VPP -from socket import inet_pton, AF_INET, AF_INET6 - import json """ TestPAPI is a subclass of VPPTestCase classes. @@ -36,3 +34,453 @@ class TestPAPI(VppTestCase): node_name = 'X' * 100 self.assertRaises(ValueError, self.v.get_node_index, node_name=node_name) + + +class TestPAPIMessageParsing(VppTestCase): + """ PAPI Message parsing Test Case """ + + show_version_msg = '''["show_version", + ["u16", "_vl_msg_id"], + ["u32", "client_index"], + ["u32", "context"], + {"crc" : "0xf18f9480"} + ]''' + + ip_address_details_msg = '''["ip_address_details", + ["u16", "_vl_msg_id"], + ["u32", "client_index"], + ["u32", "context"], + ["u8", "ip", 16], + ["u8", "prefix_length"], + {"crc" : "0x87d522a1"} + ]''' + + cli_inband_msg = '''["cli_inband", + ["u16", "_vl_msg_id"], + ["u32", "client_index"], + ["u32", "context"], + ["u32", "length"], + ["u8", "cmd", 0, "length"], + {"crc" : "0x22345937"} + ]''' + + def test_adding_new_message_object(self): + """ Add new message object """ + p = json.loads(TestPAPIMessageParsing.show_version_msg) + msglist = VPP(testmode=json) + msgdef = msglist.add_message(p[0], p[1:]) + + # Verify that message can be retrieved + self.assertTrue(msglist['show_version']) + self.assertFalse(msglist['foobar']) + + # Test duplicate + self.assertRaises(ValueError, msglist.add_message, p[0], p[1:]) + + # Look at return tuple + self.assertTrue(msglist.ret_tup('show_version')) + + def test_adding_new_message_object_with_array(self): + """ New message with array """ + p = json.loads(TestPAPIMessageParsing.ip_address_details_msg) + msglist = VPP(testmode=True) + msglist.add_message(p[0], p[1:]) + + self.assertTrue(msglist['ip_address_details']) + + def test_message_to_bytes(self): + """ Message to byte encoding """ + msglist = VPP(testmode=True) + p = json.loads(TestPAPIMessageParsing.show_version_msg) + msgdef = msglist.add_message(p[0], p[1:]) + + # Give me a byte string for given message and given arguments + + b = msglist.encode(msgdef, {'_vl_msg_id': 50, 'context': 123}) + self.assertEqual(10, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(rv._0, 50) + self.assertEqual(rv.context, 123) + + p = json.loads(TestPAPIMessageParsing.ip_address_details_msg) + msgdef = msglist.add_message(p[0], p[1:]) + + # Give me a byte string for given message and given arguments + b = msglist.encode(msgdef, {'_vl_msg_id': 50, 'context': 123, + 'ip': b'\xf0\xf1\xf2', + 'prefix_length': 12}) + self.assertEqual(27, len(b)) + rv = msglist.decode(msgdef, b) + + self.assertEqual(rv.context, 123) + self.assertEqual(rv.ip, b'\xf0\xf1\xf2\x00\x00\x00' + + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') + self.assertEqual(rv.prefix_length, 12) + + p = json.loads(TestPAPIMessageParsing.cli_inband_msg) + msgdef = msglist.add_message(p[0], p[1:]) + + # Give me a byte string for given message and given arguments + b = msglist.encode(msgdef, {'_vl_msg_id': 50, 'context': 123, + 'length': 20, + 'cmd': 'show version verbose'}) + self.assertEqual(34, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(rv._0, 50) + self.assertEqual(rv.context, 123) + self.assertEqual(rv.cmd.decode('ascii'), 'show version verbose') + + variable_array_16_msg = '''["variable_array_16", + ["u32", "length"], + ["u16", "list", 0, "length"] + ]''' + + p = json.loads(variable_array_16_msg) + msgdef = msglist.add_message(p[0], p[1:]) + + # Give me a byte string for given message and given arguments + b = msglist.encode(msgdef, {'list': [1, 2], 'length': 2}) + self.assertEqual(8, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(2, rv.length) + self.assertEqual([1, 2], rv.list) + + def test_add_new_types(self): + """ Add new types """ + counter_type = '''["ip4_fib_counter", + ["u32", "address"], + ["u8", "address_length"], + ["u64", "packets"], + ["u64", "bytes"], + {"crc" : "0xb2739495"} + ]''' + + with_type_msg = '''["with_type_msg", + ["u32", "length"], + ["u16", "list", 0, "length"], + ["vl_api_ip4_fib_counter_t", "counter"] + ]''' + + # Add new type + msglist = VPP(testmode=True) + p = json.loads(counter_type) + msglist.add_type(p[0], p[1:]) + p = json.loads(with_type_msg) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'length': 2, 'list': [1, 2], + 'counter': {'address': 4, + 'address_length': 12, + 'packets': 1235, + 'bytes': 5678}}) + self.assertEqual(29, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(2, rv.length) + self.assertEqual(5678, rv.counter.bytes) + + def test_add_two_new_types(self): + """ Add new types 2 """ + mock_r1 = '''["mock_r1", + ["u32", "a1"], + {"crc" : "0xb2739495"} + ]''' + mock_r2 = '''["mock_r2", + ["u32", "a1"], + {"crc" : "0xb2739495"} + ]''' + + mock_msg = '''["mock_msg", + ["u32", "context"], + ["i32", "retval"], + ["vl_api_mock_r1_t", "r1"], + ["vl_api_mock_r2_t", "r2"], + {"crc" : "0xb2739495"} + ]''' + + # Add new type + msglist = VPP(testmode=True) + p = json.loads(mock_r1) + msglist.add_type(p[0], p[1:]) + p = json.loads(mock_r2) + msglist.add_type(p[0], p[1:]) + p = json.loads(mock_msg) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'context': 2, 'retval': 0, + 'r1': {'a1': 4}, 'r2': {'a1': 12}}) + + self.assertEqual(16, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(4, rv.r1.a1) + + def test_nested_array_type(self): + """ Nested array type """ + bier_type = '''["bier_table_id", + ["u8", "bt_set"], + ["u8", "bt_sub_domain"], + ["u8", "bt_hdr_len_id"], + {"crc" : "0xb2739495"} + ]''' + fib_path3 = '''["fib_path3", + ["u32", "sw_if_index"], + ["u8", "n_labels"], + ["u32", "label_stack", 0, "n_labels"], + {"crc" : "0xb2739495"} + ]''' + + bier_route_details = '''["bier_route_details", + ["u32", "client_index"], + ["vl_api_bier_table_id_t", "br_tbl_id"], + ["u32", "br_n_paths"], + ["vl_api_fib_path3_t", "br_paths", 0, "br_n_paths"], + {"crc" : "0xb2739495"} + ]''' + + # Add new type + msglist = VPP(testmode=True) + + p = json.loads(bier_type) + msglist.add_type(p[0], p[1:]) + p = json.loads(fib_path3) + msglist.add_type(p[0], p[1:]) + + p = json.loads(bier_route_details) + msgdef = msglist.add_message(p[0], p[1:]) + + bt_tbl_id = {'bt_set': 1, 'bt_sub_domain': 2, 'bt_hdr_len_id': 3} + fib_path = {'sw_if_index': 1, 'n_labels': 2, + 'label_stack': [123, 456]} + + b = msglist.encode(msgdef, {'client_index': 2, + 'br_tbl_id': bt_tbl_id, + 'br_n_paths': 2, + 'br_paths': [fib_path, fib_path]}) + self.assertEqual(37, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual([123, 456], rv.br_paths[1].label_stack) + self.assertEqual(bt_tbl_id['bt_set'], rv.br_tbl_id.bt_set) + + def test_add_new_compound_type_with_array(self): + """ New compound type with array """ + counter_type = '''["ip4_fib_counter", + ["u32", "address"], + ["u8", "address_length"], + ["u64", "packets"], + ["u64", "bytes"], + {"crc" : "0xb2739495"} + ]''' + + with_type_msg = '''["with_type_msg", + ["u32", "length"], + ["u16", "list", 0, "length"], + ["vl_api_ip4_fib_counter_t", "counter", 2] + + ]''' + + # Add new type + msglist = VPP(testmode=True) + p = json.loads(counter_type) + msglist.add_type(p[0], p[1:]) + p = json.loads(with_type_msg) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'length': 2, 'list': [1, 2], + 'counter': [{'address': 4, + 'address_length': 12, + 'packets': 1235, + 'bytes': 5678}, + {'address': 111, + 'address_length': 222, + 'packets': 333, + 'bytes': 444}]}) + self.assertEqual(50, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual([1, 2], rv.list) + self.assertEqual(1235, rv.counter[0].packets) + + with_type_variable_msg = '''["with_type_variable_msg", + ["u32", "length"], + ["vl_api_ip4_fib_counter_t", "counter", 0, "length"] + + ]''' + + p = json.loads(with_type_variable_msg) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'length': 2, + 'counter': [{'address': 4, + 'address_length': 12, + 'packets': 1235, + 'bytes': 5678}, + {'address': 111, + 'address_length': 222, + 'packets': 333, + 'bytes': 444}]}) + self.assertEqual(46, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(2, rv.length) + self.assertEqual(1235, rv.counter[0].packets) + self.assertEqual(333, rv.counter[1].packets) + + def test_simple_array(self): + """ Simple array """ + msglist = VPP(testmode=True) + + simple_byte_array = '''["simple_byte_array", + ["u32", "length"], + ["u8", "namecommand", 64] + + ]''' + p = json.loads(simple_byte_array) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'length': 2, 'namecommand': 'foobar'}) + self.assertEqual(68, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(2, rv.length) + + simple_array = '''["simple_array", + ["u32", "length"], + ["u32", "list", 2] + + ]''' + p = json.loads(simple_array) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'length': 2, 'list': [1, 2]}) + self.assertEqual(12, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(2, rv.length) + self.assertEqual([1, 2], rv.list) + + simple_variable_array = '''["simple_variable_array", + ["u32", "length"], + ["u32", "list", 0, "length"] + + ]''' + p = json.loads(simple_variable_array) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'length': 2, 'list': [1, 2]}) + self.assertEqual(12, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(2, rv.length) + self.assertEqual([1, 2], rv.list) + + simple_variable_byte_array = '''["simple_variable_byte_array", + ["u32", "length"], + ["u8", "list", 0, "length"] + ]''' + p = json.loads(simple_variable_byte_array) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'length': 6, 'list': 'foobar'}) + self.assertEqual(10, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(6, rv.length) + self.assertEqual('foobar', rv.list) + + def test_old_vla_array(self): + """ Old style VLA array """ + msglist = VPP(testmode=True) + + # VLA + vla_byte_array = '''["vla_byte_array", + ["u32", "foobar"], + ["u32", "list", 2], + ["u32", "propercount"], + ["u8", "propermask", 0, "propercount"], + ["u8", "oldmask", 0], + {"crc" : "0xb2739495"} + ]''' + p = json.loads(vla_byte_array) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'list': [123, 456], 'oldmask': b'foobar', + 'propercount': 2, + 'propermask': [8, 9]}) + self.assertEqual(24, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(b'foobar', rv.oldmask) + + def test_old_vla_array_not_last_member(self): + """ Old VLA array arbitrary placement """ + msglist = VPP(testmode=True) + + # VLA + vla_byte_array = '''["vla_byte_array", + ["u8", "oldmask", 0], + ["u32", "foobar"], + {"crc" : "0xb2739495"} + ]''' + p = json.loads(vla_byte_array) + self.assertRaises(ValueError, msglist.add_message, p[0], p[1:]) + + def test_old_vla_array_u32(self): + """ Old VLA u32 """ + msglist = VPP(testmode=True) + + # VLA + vla_byte_array = '''["vla_byte_array", + ["u32", "foobar"], + ["u32", "oldmask", 0], + {"crc" : "0xb2739495"} + ]''' + p = json.loads(vla_byte_array) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'foobar': 123, + 'oldmask': [123, 456, 789]}) + self.assertEqual(16, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual([123, 456, 789], rv.oldmask) + + def test_old_vla_array_compound(self): + """ Old VLA compound type """ + msglist = VPP(testmode=True) + + # VLA + counter_type = '''["ip4_fib_counter", + ["u32", "address"], + ["u8", "address_length"], + ["u64", "packets"], + ["u64", "bytes"], + {"crc" : "0xb2739495"} + ]''' + + vla_byte_array = '''["vla_byte_array", + ["vl_api_ip4_fib_counter_t", "counter", 0], + {"crc" : "0xb2739495"} + ]''' + + p = json.loads(counter_type) + msglist.add_type(p[0], p[1:]) + + p = json.loads(vla_byte_array) + with self.assertRaises(NotImplementedError): + msgdef = msglist.add_message(p[0], p[1:]) + + def test_array_count_not_previous(self): + """ VLA with aribtrary length field placement """ + msglist = VPP(testmode=True) + + # VLA + vla_byte_array = '''["vla_byte_array", + ["u32", "count"], + ["u32", "filler"], + ["u32", "lst", 0, "count"], + {"crc" : "0xb2739495"} + ]''' + + p = json.loads(vla_byte_array) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'count': 3, 'lst': [1, 2, 3], + 'filler': 1}) + rv = msglist.decode(msgdef, b) + self.assertEqual(rv.lst, [1, 2, 3]) + + def test_argument_name(self): + """ Argument name """ + msglist = VPP(testmode=True) + + simple_name = '''["simple_name", + ["u32", "length"], + ["u8", "name"] + ]''' + p = json.loads(simple_name) + msgdef = msglist.add_message(p[0], p[1:]) + b = msglist.encode(msgdef, {'length': 6, 'name': 1}) + self.assertEqual(5, len(b)) + rv = msglist.decode(msgdef, b) + self.assertEqual(6, rv.length) + self.assertEqual(1, rv.name) |