diff options
Diffstat (limited to 'tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py')
-rw-r--r-- | tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py | 465 |
1 files changed, 305 insertions, 160 deletions
diff --git a/tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py b/tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py index cba3d449f..995b4a2cc 100644 --- a/tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py +++ b/tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py @@ -17,6 +17,7 @@ from __future__ import absolute_import +import copy import os import socket import unittest @@ -25,6 +26,7 @@ from contextlib import contextmanager import mock from tests.unit import STL_MOCKS +from yardstick.network_services.vnf_generic.vnf.base import VnfdHelper STLClient = mock.MagicMock() stl_patch = mock.patch.dict("sys.modules", STL_MOCKS) @@ -634,6 +636,111 @@ class TestProxSocketHelper(unittest.TestCase): class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): + + VNFD0 = { + 'short-name': 'ProxVnf', + 'vdu': [ + { + 'routing_table': [ + { + 'network': '152.16.100.20', + 'netmask': '255.255.255.0', + 'gateway': '152.16.100.20', + 'if': 'xe0', + }, + { + 'network': '152.16.40.20', + 'netmask': '255.255.255.0', + 'gateway': '152.16.40.20', + 'if': 'xe1', + }, + ], + 'description': 'PROX approximation using DPDK', + 'name': 'proxvnf-baremetal', + 'nd_route_tbl': [ + { + 'network': '0064:ff9b:0:0:0:0:9810:6414', + 'netmask': '112', + 'gateway': '0064:ff9b:0:0:0:0:9810:6414', + 'if': 'xe0', + }, + { + 'network': '0064:ff9b:0:0:0:0:9810:2814', + 'netmask': '112', + 'gateway': '0064:ff9b:0:0:0:0:9810:2814', + 'if': 'xe1', + }, + ], + 'id': 'proxvnf-baremetal', + 'external-interface': [ + { + 'virtual-interface': { + 'dst_mac': '00:00:00:00:00:04', + 'vpci': '0000:05:00.0', + 'local_ip': '152.16.100.19', + 'type': 'PCI-PASSTHROUGH', + 'vld_id': 'uplink_0', + 'netmask': '255.255.255.0', + 'dpdk_port_num': 0, + 'bandwidth': '10 Gbps', + 'driver': "i40e", + 'dst_ip': '152.16.100.19', + 'local_iface_name': 'xe0', + 'local_mac': '00:00:00:00:00:02', + 'ifname': 'xe0', + }, + 'vnfd-connection-point-ref': 'xe0', + 'name': 'xe0', + }, + { + 'virtual-interface': { + 'dst_mac': '00:00:00:00:00:03', + 'vpci': '0000:05:00.1', + 'local_ip': '152.16.40.19', + 'type': 'PCI-PASSTHROUGH', + 'vld_id': 'downlink_0', + 'driver': "i40e", + 'netmask': '255.255.255.0', + 'dpdk_port_num': 1, + 'bandwidth': '10 Gbps', + 'dst_ip': '152.16.40.20', + 'local_iface_name': 'xe1', + 'local_mac': '00:00:00:00:00:01', + 'ifname': 'xe1', + }, + 'vnfd-connection-point-ref': 'xe1', + 'name': 'xe1', + }, + ], + }, + ], + 'description': 'PROX approximation using DPDK', + 'mgmt-interface': { + 'vdu-id': 'proxvnf-baremetal', + 'host': '1.2.1.1', + 'password': 'r00t', + 'user': 'root', + 'ip': '1.2.1.1', + }, + 'benchmark': { + 'kpi': [ + 'packets_in', + 'packets_fwd', + 'packets_dropped', + ], + }, + 'id': 'ProxApproxVnf', + 'name': 'ProxVnf', + } + + VNFD = { + 'vnfd:vnfd-catalog': { + 'vnfd': [ + VNFD0, + ], + }, + } + def test__replace_quoted_with_value(self): # empty string input_str = '' @@ -751,33 +858,6 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): result = ProxDpdkVnfSetupEnvHelper.write_prox_config(input_data) self.assertEqual(result, expected) - def test_rebind_drivers(self): - def find_drivers(*args, **kwargs): - setup_helper.used_drivers = used_drivers - - used_drivers = { - 'a': (1, 'b'), - 'c': (2, 'd'), - } - - vnfd_helper = mock.MagicMock() - ssh_helper = mock.MagicMock() - scenario_helper = mock.MagicMock() - setup_helper = ProxDpdkVnfSetupEnvHelper(vnfd_helper, ssh_helper, scenario_helper) - setup_helper._find_used_drivers = mock_find = mock.MagicMock(side_effect=find_drivers) - - setup_helper.rebind_drivers() - self.assertEqual(mock_find.call_count, 1) - self.assertEqual(ssh_helper.execute.call_count, 2) - self.assertIn('--force', ssh_helper.execute.call_args[0][0]) - - mock_find.reset_mock() - ssh_helper.execute.reset_mock() - setup_helper.rebind_drivers(False) - self.assertEqual(mock_find.call_count, 0) - self.assertEqual(ssh_helper.execute.call_count, 2) - self.assertNotIn('--force', ssh_helper.execute.call_args[0][0]) - @mock.patch('yardstick.network_services.vnf_generic.vnf.prox_helpers.find_relative_file') def test_build_config_file_no_additional_file(self, mock_find_path): vnf1 = { @@ -804,11 +884,11 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): helper.upload_prox_config = mock.MagicMock(return_value='5') self.assertEqual(helper.additional_files, {}) - self.assertNotEqual(helper.prox_config_dict, '4') + self.assertNotEqual(helper._prox_config_data, '4') self.assertNotEqual(helper.remote_path, '5') helper.build_config_file() self.assertEqual(helper.additional_files, {}) - self.assertEqual(helper.prox_config_dict, '4') + self.assertEqual(helper._prox_config_data, '4') self.assertEqual(helper.remote_path, '5') @mock.patch('yardstick.network_services.vnf_generic.vnf.prox_helpers.find_relative_file') @@ -854,7 +934,7 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): ], } - mock_find_path.side_effect = ['1', '2'] + mock_find_path.side_effect = ['1', '2'] + [str(i) for i in range(len(vnf1['prox_files']))] vnfd_helper = mock.MagicMock() ssh_helper = mock.MagicMock() scenario_helper = ScenarioHelper('vnf1') @@ -871,12 +951,12 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): helper.upload_prox_config = mock.MagicMock(return_value='55') self.assertEqual(helper.additional_files, {}) - self.assertNotEqual(helper.prox_config_dict, '44') + self.assertNotEqual(helper._prox_config_data, '44') self.assertNotEqual(helper.remote_path, '55') expected = {'h.i': '33', 'l': '34', 'm_n': '35'} helper.build_config_file() self.assertDictEqual(helper.additional_files, expected) - self.assertEqual(helper.prox_config_dict, '44') + self.assertEqual(helper._prox_config_data, '44') self.assertEqual(helper.remote_path, '55') @mock.patch('yardstick.network_services.vnf_generic.vnf.prox_helpers.find_relative_file') @@ -906,9 +986,10 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): helper = ProxDpdkVnfSetupEnvHelper(vnfd_helper, ssh_helper, scenario_helper) helper.remote_path = "/tmp/prox.cfg" - prox_cmd = helper.build_config() expected = "sudo bash -c 'cd /opt/nsb_bin; /opt/nsb_bin/prox -o cli -f -f /tmp/prox.cfg '" - self.assertEqual(prox_cmd, expected) + with mock.patch.object(helper, "build_config_file") as mock_build_config: + prox_cmd = helper.build_config() + self.assertEqual(prox_cmd, expected) def test__insert_additional_file(self): vnfd_helper = mock.MagicMock() @@ -931,8 +1012,7 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): mock_parser_type.side_effect = init - vnfd_helper = mock.MagicMock() - vnfd_helper.interfaces = [] + vnfd_helper = VnfdHelper(self.VNFD0) ssh_helper = mock.MagicMock() scenario_helper = mock.MagicMock() @@ -946,23 +1026,6 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): helper.additional_files = {"ipv4.lua": "/tmp/ipv4.lua"} helper.remote_prox_file_name = 'remote' - vnfd_helper.interfaces = [ - { - 'virtual-interface': { - 'dst_mac': '00:00:00:de:ad:88', - }, - }, - { - 'virtual-interface': { - 'dst_mac': '00:00:00:de:ad:ee', - }, - }, - { - 'virtual-interface': { - 'dst_mac': '00:00:00:de:ad:ff', - }, - }, - ] sections_data = [ [ 'lua', @@ -975,7 +1038,7 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): [ ['ip', ''], ['mac', 'foo'], - ['dst mac', '@@2'], + ['dst mac', '@@1'], ['tx port', '1'], ], ], @@ -1004,7 +1067,7 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): [ ['ip', ''], ['mac', 'hardware'], - ['dst mac', '00:00:00:de:ad:ff'], + ['dst mac', '00:00:00:00:00:03'], ['tx port', '1'], ], ], @@ -1012,7 +1075,7 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): 'port 2', [ ['ip', ''], - ['$sut_mac0', '00 00 00 de ad 88'], + ['$sut_mac0', '00 00 00 00 00 04'], ['tx port', '0'], ['single', '@'], ['user_table', 'dofile("/tmp/ipv4.lua")'], @@ -1079,48 +1142,26 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): helper.generate_prox_config_file('a/b') def test_generate_prox_lua_file(self): - vnfd_helper = mock.MagicMock() - vnfd_helper.interfaces = [] + vnfd_helper = VnfdHelper(self.VNFD0) ssh_helper = mock.MagicMock() scenario_helper = mock.MagicMock() helper = ProxDpdkVnfSetupEnvHelper(vnfd_helper, ssh_helper, scenario_helper) helper.LUA_PARAMETER_NAME = 'sut' - expected = '' - result = helper.generate_prox_lua_file() - self.assertEqual(result, expected) - - vnfd_helper.interfaces = [ - { - 'local_ip': '10.20.30.40', - 'dst_ip': '10.11.12.13', - 'virtual-interface': { - 'dpdk_port_num': 3, - }, - }, - { - 'local_ip': '10.20.30.45', - 'dst_ip': '10.11.12.19', - 'virtual-interface': { - 'dpdk_port_num': 7, - }, - }, + expected = [ + 'sut_hex_ip_port_0:"98 10 64 13"', + 'sut_ip_port_0:"152.16.100.19"', + 'gen_hex_ip_port_0:"98 10 64 13"', + 'gen_ip_port_0:"152.16.100.19"', + + 'sut_hex_ip_port_1:"98 10 28 13"', + 'sut_ip_port_1:"152.16.40.19"', + 'gen_hex_ip_port_1:"98 10 28 14"', + 'gen_ip_port_1:"152.16.40.20"', ] - - expected = os.linesep.join([ - 'sut_hex_ip_port_3:"0a 14 1e 28"', - 'sut_ip_port_3:"10.20.30.40"', - 'gen_hex_ip_port_3:"0a 0b 0c 0d"', - 'gen_ip_port_3:"10.11.12.13"', - - 'sut_hex_ip_port_7:"0a 14 1e 2d"', - 'sut_ip_port_7:"10.20.30.45"', - 'gen_hex_ip_port_7:"0a 0b 0c 13"', - 'gen_ip_port_7:"10.11.12.19"', - ]) result = helper.generate_prox_lua_file() - self.assertEqual(result, expected) + self.assertListEqual(result.splitlines(), expected) def test_upload_prox_lua(self): def identity(*args): @@ -1198,6 +1239,111 @@ class TestProxDpdkVnfSetupEnvHelper(unittest.TestCase): class TestProxResourceHelper(unittest.TestCase): + + VNFD0 = { + 'short-name': 'ProxVnf', + 'vdu': [ + { + 'routing_table': [ + { + 'network': '152.16.100.20', + 'netmask': '255.255.255.0', + 'gateway': '152.16.100.20', + 'if': 'xe0', + }, + { + 'network': '152.16.40.20', + 'netmask': '255.255.255.0', + 'gateway': '152.16.40.20', + 'if': 'xe1', + }, + ], + 'description': 'PROX approximation using DPDK', + 'name': 'proxvnf-baremetal', + 'nd_route_tbl': [ + { + 'network': '0064:ff9b:0:0:0:0:9810:6414', + 'netmask': '112', + 'gateway': '0064:ff9b:0:0:0:0:9810:6414', + 'if': 'xe0', + }, + { + 'network': '0064:ff9b:0:0:0:0:9810:2814', + 'netmask': '112', + 'gateway': '0064:ff9b:0:0:0:0:9810:2814', + 'if': 'xe1', + }, + ], + 'id': 'proxvnf-baremetal', + 'external-interface': [ + { + 'virtual-interface': { + 'dst_mac': '00:00:00:00:00:04', + 'vpci': '0000:05:00.0', + 'local_ip': '152.16.100.19', + 'type': 'PCI-PASSTHROUGH', + 'vld_id': 'uplink_0', + 'netmask': '255.255.255.0', + 'dpdk_port_num': 0, + 'bandwidth': '10 Gbps', + 'driver': "i40e", + 'dst_ip': '152.16.100.19', + 'local_iface_name': 'xe0', + 'local_mac': '00:00:00:00:00:02', + 'ifname': 'xe0', + }, + 'vnfd-connection-point-ref': 'xe0', + 'name': 'xe0', + }, + { + 'virtual-interface': { + 'dst_mac': '00:00:00:00:00:03', + 'vpci': '0000:05:00.1', + 'local_ip': '152.16.40.19', + 'type': 'PCI-PASSTHROUGH', + 'vld_id': 'downlink_0', + 'driver': "i40e", + 'netmask': '255.255.255.0', + 'dpdk_port_num': 1, + 'bandwidth': '10 Gbps', + 'dst_ip': '152.16.40.20', + 'local_iface_name': 'xe1', + 'local_mac': '00:00:00:00:00:01', + 'ifname': 'xe1', + }, + 'vnfd-connection-point-ref': 'xe1', + 'name': 'xe1', + }, + ], + }, + ], + 'description': 'PROX approximation using DPDK', + 'mgmt-interface': { + 'vdu-id': 'proxvnf-baremetal', + 'host': '1.2.1.1', + 'password': 'r00t', + 'user': 'root', + 'ip': '1.2.1.1', + }, + 'benchmark': { + 'kpi': [ + 'packets_in', + 'packets_fwd', + 'packets_dropped', + ], + }, + 'id': 'ProxApproxVnf', + 'name': 'ProxVnf', + } + + VNFD = { + 'vnfd:vnfd-catalog': { + 'vnfd': [ + VNFD0, + ], + }, + } + def test_line_rate_to_pps(self): expected = 0.25 * 1e8 result = ProxResourceHelper.line_rate_to_pps(180, 4) @@ -1247,7 +1393,7 @@ class TestProxResourceHelper(unittest.TestCase): def test_test_cores(self): setup_helper = mock.MagicMock() - setup_helper.prox_config_dict = {} + setup_helper.prox_config_data = [] helper = ProxResourceHelper(setup_helper) helper._cpu_topology = [] @@ -1256,7 +1402,7 @@ class TestProxResourceHelper(unittest.TestCase): result = helper.test_cores self.assertEqual(result, expected) - setup_helper.prox_config_dict = [ + setup_helper.prox_config_data = [ ('section1', []), ('section2', [ ('a', 'b'), @@ -1304,10 +1450,9 @@ class TestProxResourceHelper(unittest.TestCase): def test_get_test_type(self): setup_helper = mock.MagicMock() - setup_helper.prox_config_dict = {} - helper = ProxResourceHelper(setup_helper) - setup_helper.prox_config_dict = [ + + setup_helper.prox_config_data = [ ('global', [ ('name', helper.PROX_CORE_MPLS_TEST) ]), @@ -1334,27 +1479,7 @@ class TestProxResourceHelper(unittest.TestCase): def test_get_cores(self): setup_helper = mock.MagicMock() - setup_helper.prox_config_dict = {} - - helper = ProxResourceHelper(setup_helper) - helper._cpu_topology = { - 0: { - 1: { - 5: (5, 1, 0) - }, - 2: { - 6: (6, 2, 0) - }, - 3: { - 7: (7, 3, 0) - }, - 4: { - 8: (8, 3, 0) - }, - } - } - - setup_helper.prox_config_dict = [ + setup_helper.prox_config_data = [ ('section1', []), ('section2', [ ('a', 'b'), @@ -1375,14 +1500,6 @@ class TestProxResourceHelper(unittest.TestCase): ]), ] - expected = [7, 8] - result = helper.get_cores(helper.PROX_CORE_GEN_MODE) - self.assertEqual(result, expected) - - def test_get_cores_mpls(self): - setup_helper = mock.MagicMock() - setup_helper.prox_config_dict = {} - helper = ProxResourceHelper(setup_helper) helper._cpu_topology = { 0: { @@ -1401,7 +1518,13 @@ class TestProxResourceHelper(unittest.TestCase): } } - setup_helper.prox_config_dict = [ + expected = [7, 8] + result = helper.get_cores(helper.PROX_CORE_GEN_MODE) + self.assertEqual(result, expected) + + def test_get_cores_mpls(self): + setup_helper = mock.MagicMock() + setup_helper.prox_config_data = [ ('section1', []), ('section2', [ ('a', 'b'), @@ -1424,6 +1547,24 @@ class TestProxResourceHelper(unittest.TestCase): ]), ] + helper = ProxResourceHelper(setup_helper) + helper._cpu_topology = { + 0: { + 1: { + 5: (5, 1, 0) + }, + 2: { + 6: (6, 2, 0) + }, + 3: { + 7: (7, 3, 0) + }, + 4: { + 8: (8, 3, 0) + }, + } + } + expected_tagged = [7] expected_plain = [8] result_tagged, result_plain = helper.get_cores_mpls(helper.PROX_CORE_GEN_MODE) @@ -1432,7 +1573,7 @@ class TestProxResourceHelper(unittest.TestCase): def test_latency_cores(self): setup_helper = mock.MagicMock() - setup_helper.prox_config_dict = {} + setup_helper.prox_config_data= [] helper = ProxResourceHelper(setup_helper) helper._cpu_topology = [] @@ -1441,7 +1582,7 @@ class TestProxResourceHelper(unittest.TestCase): result = helper.latency_cores self.assertEqual(result, expected) - setup_helper.prox_config_dict = [ + setup_helper.prox_config_data = [ ('section1', []), ('section2', [ ('a', 'b'), @@ -1504,7 +1645,9 @@ class TestProxResourceHelper(unittest.TestCase): def test_start_collect(self): setup_helper = mock.MagicMock() helper = ProxResourceHelper(setup_helper) + helper.resource = resource = mock.MagicMock() self.assertIsNone(helper.start_collect()) + resource.start.assert_called_once() def test_terminate(self): setup_helper = mock.MagicMock() @@ -1536,7 +1679,7 @@ class TestProxResourceHelper(unittest.TestCase): @mock.patch('yardstick.network_services.vnf_generic.vnf.prox_helpers.time') def test_traffic_context(self, mock_time): setup_helper = mock.MagicMock() - setup_helper.prox_config_dict = {} + setup_helper.vnfd_helper.interfaces = [] helper = ProxResourceHelper(setup_helper) helper._cpu_topology = { @@ -1556,7 +1699,7 @@ class TestProxResourceHelper(unittest.TestCase): } } - setup_helper.prox_config_dict = [ + setup_helper.prox_config_data = [ ('global', [ ('name', helper.PROX_CORE_MPLS_TEST) ]), @@ -1582,8 +1725,6 @@ class TestProxResourceHelper(unittest.TestCase): ]), ] - setup_helper = mock.MagicMock() - setup_helper.vnfd_helper.interfaces = [] client = mock.MagicMock() client.hz.return_value = 2 @@ -1603,8 +1744,30 @@ class TestProxResourceHelper(unittest.TestCase): def measure(*args, **kwargs): yield stats + bad_vnfd = copy.deepcopy(self.VNFD0) + bad_vnfd['vdu'][0]['external-interface'].append({ + 'virtual-interface': { + 'dst_mac': '00:00:00:00:00:05', + 'vpci': '0000:06:00.0', + 'local_ip': '152.16.100.20', + 'type': 'PCI-PASSTHROUGH', + 'vld_id': 'uplink_1', + 'netmask': '255.255.255.0', + 'dpdk_port_num': 0, + 'bandwidth': '10 Gbps', + 'driver': "i40e", + 'dst_ip': '152.16.100.20', + 'local_iface_name': 'xe2', + 'local_mac': '00:00:00:00:00:07', + 'ifname': 'xe2', + }, + 'vnfd-connection-point-ref': 'xe2', + 'name': 'xe2', + }) + + bad_vnfd_helper = VnfdHelper(bad_vnfd) setup_helper = mock.MagicMock() - setup_helper.vnfd_helper.interfaces = [] + setup_helper.vnfd_helper = bad_vnfd_helper stats = { 'delta': TotStatsTuple(6, 7, 8, 9), @@ -1622,25 +1785,21 @@ class TestProxResourceHelper(unittest.TestCase): with self.assertRaises(AssertionError): helper.run_test(980, 15, 45) - setup_helper.vnfd_helper.interfaces = [ - {'name': 'a', 'virtual-interface': {'vpci': 'z'}}, - {'name': 'b', 'virtual-interface': {'vpci': 'y'}}, - {'name': 'c', 'virtual-interface': {'vpci': 'x'}}, - {'name': 'd', 'virtual-interface': {'vpci': 'w'}}, - ] + vnfd_helper = VnfdHelper(self.VNFD0) + setup_helper.vnfd_helper = vnfd_helper + helper = ProxResourceHelper(setup_helper) + helper.client = client + helper.get_latency = mock.MagicMock(return_value=[3.3, 3.6, 3.8]) helper._test_cores = [3, 4] - expected_test_data = ProxTestDataTuple(0.0, 2.0, 6, 7, 8, [3.3, 3.6, 3.8], 6, 7, 1.3e7) + expected_test_data = ProxTestDataTuple(0.0, 2.0, 6, 7, 8, [3.3, 3.6, 3.8], 6, 7, 6.5e6) expected_port_samples = { - 'a': {'in_packets': 6, 'out_packets': 7}, - 'b': {'in_packets': 6, 'out_packets': 7}, - 'c': {'in_packets': 6, 'out_packets': 7}, - 'd': {'in_packets': 6, 'out_packets': 7}, + 'xe0': {'in_packets': 6, 'out_packets': 7}, + 'xe1': {'in_packets': 6, 'out_packets': 7}, } test_data, port_samples = helper.run_test(230, 60, 65) - self.assertEqual(test_data, expected_test_data, '\n'.join(str(x) for x in test_data)) - self.assertEqual(port_samples, expected_port_samples, - '\n'.join(str(x) for x in port_samples)) + self.assertTupleEqual(test_data, expected_test_data) + self.assertDictEqual(port_samples, expected_port_samples) def test_get_latency(self): setup_helper = mock.MagicMock() @@ -1660,20 +1819,6 @@ class TestProxResourceHelper(unittest.TestCase): result = helper.get_latency() self.assertIs(result, expected) - def test__get_logical_if_name(self): - setup_helper = mock.MagicMock() - setup_helper.vnfd_helper.interfaces = [] - - helper = ProxResourceHelper(setup_helper) - helper._vpci_to_if_name_map = { - 'key1': 234, - 'key2': 432, - } - - expected = 234 - result = helper._get_logical_if_name('key1') - self.assertEqual(result, expected) - @mock.patch('yardstick.network_services.vnf_generic.vnf.prox_helpers.time') @mock.patch('yardstick.network_services.vnf_generic.vnf.prox_helpers.ProxSocketHelper') def test__connect(self, mock_socket_helper_type, mock_time): |