fix unittests, mock trex_stl_lib, fix raw_input, division

replace raw_input with six.moves.raw_input
fix raw_input mock
force float division in python 2

re-added trex download to try to workaround coverage failing
try installing pyzmq=14.5.0 and see if that helps trex compatibility

======================================================================
ERROR: test__fill_traffic_profile (benchmark.scenarios.networking.test_vnf_generic.TestNetworkServiceTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/tests/unit/benchmark/scenarios/networking/test_vnf_generic.py", line 399, in test__fill_traffic_profile
    self.context_cfg))
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/yardstick/benchmark/scenarios/networking/vnf_generic.py", line 144, in _fill_traffic_profile
    return TrafficProfile.get(traffic_profile)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/yardstick/network_services/traffic_profile/base.py", line 35, in get
    "yardstick.network_services.traffic_profile")
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/yardstick/common/utils.py", line 86, in import_modules_from_package
    try_append_module(module_name, sys.modules)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/yardstick/common/utils.py", line 70, in try_append_module
    modules[name] = importutils.import_module(name)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/.tox/py3/lib/python3.5/site-packages/oslo_utils/importutils.py", line 73, in import_module
    __import__(import_str)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/yardstick/network_services/traffic_profile/rfc2544.py", line 19, in <module>
    from yardstick.network_services.traffic_profile.traffic_profile \
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/yardstick/network_services/traffic_profile/traffic_profile.py", line 24, in <module>
    from stl.trex_stl_lib.trex_stl_client import STLStream
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_client.py", line 7, in <module>
    from .trex_stl_jsonrpc_client import JsonRpcClient, BatchMessage
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_jsonrpc_client.py", line 3, in <module>
    import zmq
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/__init__.py", line 49, in <module>
    from zmq import backend
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/backend/__init__.py", line 41, in <module>
    reraise(*exc_info)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/utils/sixcerpt.py", line 34, in reraise
    raise value
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/backend/__init__.py", line 29, in <module>
    _ns = select_backend(first)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/backend/select.py", line 27, in select_backend
    mod = __import__(name, fromlist=public_api)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/backend/cython/__init__.py", line 6, in <module>
    from . import (constants, error, message, context,
ImportError: cannot import name 'constants'

======================================================================
ERROR: network_services.vnf_generic.vnf.test_tg_trex (unittest.loader._FailedTest)
----------------------------------------------------------------------
ImportError: Failed to import test module: network_services.vnf_generic.vnf.test_tg_trex
Traceback (most recent call last):
  File "/usr/lib/python3.5/unittest/loader.py", line 428, in _find_test_path
    module = self._get_module_from_name(name)
  File "/usr/lib/python3.5/unittest/loader.py", line 369, in _get_module_from_name
    __import__(name)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/tests/unit/network_services/vnf_generic/vnf/test_tg_trex.py", line 24, in <module>
    from stl.trex_stl_lib.trex_stl_client import STLClient
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_client.py", line 7, in <module>
    from .trex_stl_jsonrpc_client import JsonRpcClient, BatchMessage
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_jsonrpc_client.py", line 3, in <module>
    import zmq
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/__init__.py", line 49, in <module>
    from zmq import backend
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/backend/__init__.py", line 41, in <module>
    reraise(*exc_info)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/utils/sixcerpt.py", line 34, in reraise
    raise value
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/backend/__init__.py", line 29, in <module>
    _ns = select_backend(first)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/backend/select.py", line 27, in select_backend
    mod = __import__(name, fromlist=public_api)
  File "/home/jenkins/opnfv/slave_root/workspace/yardstick-verify-master/trex/scripts/external_libs/pyzmq-14.5.0/python3/fedora18/64bit/zmq/backend/cython/__init__.py", line 6, in <module>
    from . import (constants, error, message, context,
ImportError: cannot import name 'constants'

Change-Id: I832bf8c912dea6d85131ee6603b408b3198cef2f
Signed-off-by: Ross Brattain <ross.b.brattain@intel.com>

5 files changed, 357 insertions, 28 deletions

diff --git a/tests/unit/network_services/traffic_profile/test_fixed.py b/tests/unit/network_services/traffic_profile/test_fixed.py
index f4500dd38..8b44719a1 100644
--- a/tests/unit/network_services/traffic_profile/test_fixed.py
+++ b/tests/unit/network_services/traffic_profile/test_fixed.py
@@ -19,8 +19,73 @@ from __future__ import absolute_import
 import unittest
 import mock
 
-from yardstick.network_services.traffic_profile.base import TrafficProfile
-from yardstick.network_services.traffic_profile.fixed import FixedProfile
+STL_MOCKS = {
+    'stl': mock.MagicMock(),
+    'stl.trex_stl_lib': mock.MagicMock(),
+    'stl.trex_stl_lib.base64': mock.MagicMock(),
+    'stl.trex_stl_lib.binascii': mock.MagicMock(),
+    'stl.trex_stl_lib.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.copy': mock.MagicMock(),
+    'stl.trex_stl_lib.datetime': mock.MagicMock(),
+    'stl.trex_stl_lib.functools': mock.MagicMock(),
+    'stl.trex_stl_lib.imp': mock.MagicMock(),
+    'stl.trex_stl_lib.inspect': mock.MagicMock(),
+    'stl.trex_stl_lib.json': mock.MagicMock(),
+    'stl.trex_stl_lib.linecache': mock.MagicMock(),
+    'stl.trex_stl_lib.math': mock.MagicMock(),
+    'stl.trex_stl_lib.os': mock.MagicMock(),
+    'stl.trex_stl_lib.platform': mock.MagicMock(),
+    'stl.trex_stl_lib.pprint': mock.MagicMock(),
+    'stl.trex_stl_lib.random': mock.MagicMock(),
+    'stl.trex_stl_lib.re': mock.MagicMock(),
+    'stl.trex_stl_lib.scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.socket': mock.MagicMock(),
+    'stl.trex_stl_lib.string': mock.MagicMock(),
+    'stl.trex_stl_lib.struct': mock.MagicMock(),
+    'stl.trex_stl_lib.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.threading': mock.MagicMock(),
+    'stl.trex_stl_lib.time': mock.MagicMock(),
+    'stl.trex_stl_lib.traceback': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_async_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_exceptions': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_ext': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_jsonrpc_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_interface': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_port': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_stats': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_streams': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_types': mock.MagicMock(),
+    'stl.trex_stl_lib.types': mock.MagicMock(),
+    'stl.trex_stl_lib.utils': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.argparse': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.common': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.json': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.os': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.parsing_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.pwd': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.random': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.re': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.string': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_tables': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.texttable': mock.MagicMock(),
+    'stl.trex_stl_lib.warnings': mock.MagicMock(),
+    'stl.trex_stl_lib.yaml': mock.MagicMock(),
+    'stl.trex_stl_lib.zlib': mock.MagicMock(),
+    'stl.trex_stl_lib.zmq': mock.MagicMock(),
+}
+
+STLClient = mock.MagicMock()
+stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
+stl_patch.start()
+
+if stl_patch:
+    from yardstick.network_services.traffic_profile.base import TrafficProfile
+    from yardstick.network_services.traffic_profile.fixed import FixedProfile
 
 
 class TestFixedProfile(unittest.TestCase):
diff --git a/tests/unit/network_services/traffic_profile/test_rfc2544.py b/tests/unit/network_services/traffic_profile/test_rfc2544.py
index 3e553dd0f..1e9409b2a 100644
--- a/tests/unit/network_services/traffic_profile/test_rfc2544.py
+++ b/tests/unit/network_services/traffic_profile/test_rfc2544.py
@@ -16,13 +16,79 @@
 #
 
 from __future__ import absolute_import
+from __future__ import division
 import unittest
 import mock
 
-from yardstick.network_services.traffic_profile.traffic_profile \
-    import TrexProfile
-from yardstick.network_services.traffic_profile.rfc2544 import \
-    RFC2544Profile
+STL_MOCKS = {
+    'stl': mock.MagicMock(),
+    'stl.trex_stl_lib': mock.MagicMock(),
+    'stl.trex_stl_lib.base64': mock.MagicMock(),
+    'stl.trex_stl_lib.binascii': mock.MagicMock(),
+    'stl.trex_stl_lib.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.copy': mock.MagicMock(),
+    'stl.trex_stl_lib.datetime': mock.MagicMock(),
+    'stl.trex_stl_lib.functools': mock.MagicMock(),
+    'stl.trex_stl_lib.imp': mock.MagicMock(),
+    'stl.trex_stl_lib.inspect': mock.MagicMock(),
+    'stl.trex_stl_lib.json': mock.MagicMock(),
+    'stl.trex_stl_lib.linecache': mock.MagicMock(),
+    'stl.trex_stl_lib.math': mock.MagicMock(),
+    'stl.trex_stl_lib.os': mock.MagicMock(),
+    'stl.trex_stl_lib.platform': mock.MagicMock(),
+    'stl.trex_stl_lib.pprint': mock.MagicMock(),
+    'stl.trex_stl_lib.random': mock.MagicMock(),
+    'stl.trex_stl_lib.re': mock.MagicMock(),
+    'stl.trex_stl_lib.scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.socket': mock.MagicMock(),
+    'stl.trex_stl_lib.string': mock.MagicMock(),
+    'stl.trex_stl_lib.struct': mock.MagicMock(),
+    'stl.trex_stl_lib.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.threading': mock.MagicMock(),
+    'stl.trex_stl_lib.time': mock.MagicMock(),
+    'stl.trex_stl_lib.traceback': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_async_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_exceptions': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_ext': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_jsonrpc_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_interface': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_port': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_stats': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_streams': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_types': mock.MagicMock(),
+    'stl.trex_stl_lib.types': mock.MagicMock(),
+    'stl.trex_stl_lib.utils': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.argparse': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.common': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.json': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.os': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.parsing_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.pwd': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.random': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.re': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.string': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_tables': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.texttable': mock.MagicMock(),
+    'stl.trex_stl_lib.warnings': mock.MagicMock(),
+    'stl.trex_stl_lib.yaml': mock.MagicMock(),
+    'stl.trex_stl_lib.zlib': mock.MagicMock(),
+    'stl.trex_stl_lib.zmq': mock.MagicMock(),
+}
+
+STLClient = mock.MagicMock()
+stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
+stl_patch.start()
+
+if stl_patch:
+    from yardstick.network_services.traffic_profile.traffic_profile \
+        import TrexProfile
+    from yardstick.network_services.traffic_profile.rfc2544 import \
+        RFC2544Profile
 
 
 class TestRFC2544Profile(unittest.TestCase):
@@ -99,9 +165,9 @@ class TestRFC2544Profile(unittest.TestCase):
                              "out_packets": 1000}
         tol_min = 100.0
         tolerance = 0.0
-        expected = {'DropPercentage': 0.0, 'RxThroughput': 33,
-                    'TxThroughput': 33, 'CurrentDropPercentage': 0.0,
-                    'Throughput': 33,
+        expected = {'DropPercentage': 0.0, 'RxThroughput': 100/3.0,
+                    'TxThroughput': 100/3.0, 'CurrentDropPercentage': 0.0,
+                    'Throughput': 100/3.0,
                     'xe0': {'tx_throughput_fps': 20, 'in_packets': 1000,
                             'out_packets': 1000, 'rx_throughput_mbps': 10,
                             'tx_throughput_mbps': 10, 'rx_throughput_fps': 20}}
@@ -129,9 +195,9 @@ class TestRFC2544Profile(unittest.TestCase):
                              "out_packets": 1002}
         tol_min = 0.0
         tolerance = 1.0
-        expected = {'DropPercentage': 0.2, 'RxThroughput': 33,
-                    'TxThroughput': 33, 'CurrentDropPercentage': 0.2,
-                    'Throughput': 33,
+        expected = {'DropPercentage': 0.2, 'RxThroughput': 100/3.0,
+                    'TxThroughput': 33.4, 'CurrentDropPercentage': 0.2,
+                    'Throughput': 100/3.0,
                     'xe0': {'tx_throughput_fps': 20, 'in_packets': 1000,
                             'out_packets': 1002, 'rx_throughput_mbps': 10,
                             'tx_throughput_mbps': 10, 'rx_throughput_fps': 20}}
@@ -160,9 +226,9 @@ class TestRFC2544Profile(unittest.TestCase):
         tol_min = 0.0
         tolerance = 0.0
         r_f_c2544_profile.tmp_throughput = 0
-        expected = {'DropPercentage': 100.0, 'RxThroughput': 33,
-                    'TxThroughput': 0, 'CurrentDropPercentage': 100.0,
-                    'Throughput': 33,
+        expected = {'DropPercentage': 100.0, 'RxThroughput': 100/3.0,
+                    'TxThroughput': 0.0, 'CurrentDropPercentage': 100.0,
+                    'Throughput': 100/3.0,
                     'xe0': {'tx_throughput_fps': 20, 'in_packets': 1000,
                             'out_packets': 0, 'rx_throughput_mbps': 10,
                             'tx_throughput_mbps': 10, 'rx_throughput_fps': 20}}
diff --git a/tests/unit/network_services/traffic_profile/test_traffic_profile.py b/tests/unit/network_services/traffic_profile/test_traffic_profile.py
index 126a4a2a4..ec07e83a6 100644
--- a/tests/unit/network_services/traffic_profile/test_traffic_profile.py
+++ b/tests/unit/network_services/traffic_profile/test_traffic_profile.py
@@ -18,9 +18,76 @@
 from __future__ import absolute_import
 import unittest
 
-from yardstick.network_services.traffic_profile.base import TrafficProfile
-from yardstick.network_services.traffic_profile.traffic_profile import \
-    TrexProfile
+import mock
+
+STL_MOCKS = {
+    'stl': mock.MagicMock(),
+    'stl.trex_stl_lib': mock.MagicMock(),
+    'stl.trex_stl_lib.base64': mock.MagicMock(),
+    'stl.trex_stl_lib.binascii': mock.MagicMock(),
+    'stl.trex_stl_lib.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.copy': mock.MagicMock(),
+    'stl.trex_stl_lib.datetime': mock.MagicMock(),
+    'stl.trex_stl_lib.functools': mock.MagicMock(),
+    'stl.trex_stl_lib.imp': mock.MagicMock(),
+    'stl.trex_stl_lib.inspect': mock.MagicMock(),
+    'stl.trex_stl_lib.json': mock.MagicMock(),
+    'stl.trex_stl_lib.linecache': mock.MagicMock(),
+    'stl.trex_stl_lib.math': mock.MagicMock(),
+    'stl.trex_stl_lib.os': mock.MagicMock(),
+    'stl.trex_stl_lib.platform': mock.MagicMock(),
+    'stl.trex_stl_lib.pprint': mock.MagicMock(),
+    'stl.trex_stl_lib.random': mock.MagicMock(),
+    'stl.trex_stl_lib.re': mock.MagicMock(),
+    'stl.trex_stl_lib.scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.socket': mock.MagicMock(),
+    'stl.trex_stl_lib.string': mock.MagicMock(),
+    'stl.trex_stl_lib.struct': mock.MagicMock(),
+    'stl.trex_stl_lib.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.threading': mock.MagicMock(),
+    'stl.trex_stl_lib.time': mock.MagicMock(),
+    'stl.trex_stl_lib.traceback': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_async_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_exceptions': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_ext': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_jsonrpc_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_interface': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_port': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_stats': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_streams': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_types': mock.MagicMock(),
+    'stl.trex_stl_lib.types': mock.MagicMock(),
+    'stl.trex_stl_lib.utils': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.argparse': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.common': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.json': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.os': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.parsing_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.pwd': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.random': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.re': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.string': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_tables': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.texttable': mock.MagicMock(),
+    'stl.trex_stl_lib.warnings': mock.MagicMock(),
+    'stl.trex_stl_lib.yaml': mock.MagicMock(),
+    'stl.trex_stl_lib.zlib': mock.MagicMock(),
+    'stl.trex_stl_lib.zmq': mock.MagicMock(),
+}
+
+STLClient = mock.MagicMock()
+stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
+stl_patch.start()
+
+if stl_patch:
+    from yardstick.network_services.traffic_profile.base import TrafficProfile
+    from yardstick.network_services.traffic_profile.traffic_profile import \
+        TrexProfile
 
 
 class TestTrexProfile(unittest.TestCase):
diff --git a/tests/unit/network_services/vnf_generic/vnf/test_tg_rfc2544_trex.py b/tests/unit/network_services/vnf_generic/vnf/test_tg_rfc2544_trex.py
index 4ce5d81ab..46e6f8742 100644
--- a/tests/unit/network_services/vnf_generic/vnf/test_tg_rfc2544_trex.py
+++ b/tests/unit/network_services/vnf_generic/vnf/test_tg_rfc2544_trex.py
@@ -22,11 +22,75 @@ import os
 import multiprocessing
 from multiprocessing import Queue
 
-from stl.trex_stl_lib.trex_stl_client import STLClient
-from yardstick.network_services.vnf_generic.vnf.tg_rfc2544_trex import \
-    TrexTrafficGenRFC
-from yardstick.network_services.vnf_generic.vnf import tg_rfc2544_trex
-from yardstick.network_services.traffic_profile.base import TrafficProfile
+STL_MOCKS = {
+    'stl': mock.MagicMock(),
+    'stl.trex_stl_lib': mock.MagicMock(),
+    'stl.trex_stl_lib.base64': mock.MagicMock(),
+    'stl.trex_stl_lib.binascii': mock.MagicMock(),
+    'stl.trex_stl_lib.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.copy': mock.MagicMock(),
+    'stl.trex_stl_lib.datetime': mock.MagicMock(),
+    'stl.trex_stl_lib.functools': mock.MagicMock(),
+    'stl.trex_stl_lib.imp': mock.MagicMock(),
+    'stl.trex_stl_lib.inspect': mock.MagicMock(),
+    'stl.trex_stl_lib.json': mock.MagicMock(),
+    'stl.trex_stl_lib.linecache': mock.MagicMock(),
+    'stl.trex_stl_lib.math': mock.MagicMock(),
+    'stl.trex_stl_lib.os': mock.MagicMock(),
+    'stl.trex_stl_lib.platform': mock.MagicMock(),
+    'stl.trex_stl_lib.pprint': mock.MagicMock(),
+    'stl.trex_stl_lib.random': mock.MagicMock(),
+    'stl.trex_stl_lib.re': mock.MagicMock(),
+    'stl.trex_stl_lib.scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.socket': mock.MagicMock(),
+    'stl.trex_stl_lib.string': mock.MagicMock(),
+    'stl.trex_stl_lib.struct': mock.MagicMock(),
+    'stl.trex_stl_lib.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.threading': mock.MagicMock(),
+    'stl.trex_stl_lib.time': mock.MagicMock(),
+    'stl.trex_stl_lib.traceback': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_async_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_exceptions': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_ext': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_jsonrpc_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_interface': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_port': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_stats': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_streams': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_types': mock.MagicMock(),
+    'stl.trex_stl_lib.types': mock.MagicMock(),
+    'stl.trex_stl_lib.utils': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.argparse': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.common': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.json': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.os': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.parsing_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.pwd': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.random': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.re': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.string': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_tables': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.texttable': mock.MagicMock(),
+    'stl.trex_stl_lib.warnings': mock.MagicMock(),
+    'stl.trex_stl_lib.yaml': mock.MagicMock(),
+    'stl.trex_stl_lib.zlib': mock.MagicMock(),
+    'stl.trex_stl_lib.zmq': mock.MagicMock(),
+}
+
+STLClient = mock.MagicMock()
+stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
+stl_patch.start()
+
+if stl_patch:
+    from yardstick.network_services.vnf_generic.vnf.tg_rfc2544_trex import \
+        TrexTrafficGenRFC
+    from yardstick.network_services.vnf_generic.vnf import tg_rfc2544_trex
+    from yardstick.network_services.traffic_profile.base import TrafficProfile
 
 
 class TestTrexTrafficGenRFC(unittest.TestCase):
@@ -205,7 +269,8 @@ class TestTrexTrafficGenRFC(unittest.TestCase):
             trex_traffic_gen = TrexTrafficGenRFC(vnfd)
             self.assertEqual([0.8, 1.0],
                              trex_traffic_gen._get_rfc_tolerance(self.TC_YAML))
-            self.TC_YAML["scenarios"][0]["tc_options"]['rfc2544']['allowed_drop_rate'] = '0.8'
+            self.TC_YAML["scenarios"][0]["tc_options"]['rfc2544'][
+                'allowed_drop_rate'] = '0.8'
             self.assertEqual([0.8, 0.8],
                              trex_traffic_gen._get_rfc_tolerance(self.TC_YAML))
 
diff --git a/tests/unit/network_services/vnf_generic/vnf/test_tg_trex.py b/tests/unit/network_services/vnf_generic/vnf/test_tg_trex.py
index a7f4d8870..f1f6b3dcc 100644
--- a/tests/unit/network_services/vnf_generic/vnf/test_tg_trex.py
+++ b/tests/unit/network_services/vnf_generic/vnf/test_tg_trex.py
@@ -21,9 +21,75 @@ import mock
 import multiprocessing
 from multiprocessing import Queue
 
-from stl.trex_stl_lib.trex_stl_client import STLClient
-from yardstick.network_services.vnf_generic.vnf.tg_trex import TrexTrafficGen
-from yardstick.network_services.traffic_profile.base import TrafficProfile
+
+STL_MOCKS = {
+    'stl': mock.MagicMock(),
+    'stl.trex_stl_lib': mock.MagicMock(),
+    'stl.trex_stl_lib.base64': mock.MagicMock(),
+    'stl.trex_stl_lib.binascii': mock.MagicMock(),
+    'stl.trex_stl_lib.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.copy': mock.MagicMock(),
+    'stl.trex_stl_lib.datetime': mock.MagicMock(),
+    'stl.trex_stl_lib.functools': mock.MagicMock(),
+    'stl.trex_stl_lib.imp': mock.MagicMock(),
+    'stl.trex_stl_lib.inspect': mock.MagicMock(),
+    'stl.trex_stl_lib.json': mock.MagicMock(),
+    'stl.trex_stl_lib.linecache': mock.MagicMock(),
+    'stl.trex_stl_lib.math': mock.MagicMock(),
+    'stl.trex_stl_lib.os': mock.MagicMock(),
+    'stl.trex_stl_lib.platform': mock.MagicMock(),
+    'stl.trex_stl_lib.pprint': mock.MagicMock(),
+    'stl.trex_stl_lib.random': mock.MagicMock(),
+    'stl.trex_stl_lib.re': mock.MagicMock(),
+    'stl.trex_stl_lib.scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.socket': mock.MagicMock(),
+    'stl.trex_stl_lib.string': mock.MagicMock(),
+    'stl.trex_stl_lib.struct': mock.MagicMock(),
+    'stl.trex_stl_lib.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.threading': mock.MagicMock(),
+    'stl.trex_stl_lib.time': mock.MagicMock(),
+    'stl.trex_stl_lib.traceback': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_async_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_exceptions': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_ext': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_jsonrpc_client': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_interface': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_packet_builder_scapy': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_port': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_stats': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_streams': mock.MagicMock(),
+    'stl.trex_stl_lib.trex_stl_types': mock.MagicMock(),
+    'stl.trex_stl_lib.types': mock.MagicMock(),
+    'stl.trex_stl_lib.utils': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.argparse': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.collections': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.common': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.json': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.os': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.parsing_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.pwd': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.random': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.re': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.string': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.sys': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_opts': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.text_tables': mock.MagicMock(),
+    'stl.trex_stl_lib.utils.texttable': mock.MagicMock(),
+    'stl.trex_stl_lib.warnings': mock.MagicMock(),
+    'stl.trex_stl_lib.yaml': mock.MagicMock(),
+    'stl.trex_stl_lib.zlib': mock.MagicMock(),
+    'stl.trex_stl_lib.zmq': mock.MagicMock(),
+}
+
+STLClient = mock.MagicMock()
+stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
+stl_patch.start()
+
+if stl_patch:
+    from yardstick.network_services.vnf_generic.vnf.tg_trex import \
+        TrexTrafficGen
+    from yardstick.network_services.traffic_profile.base import TrafficProfile
 
 
 class TestTrexTrafficGen(unittest.TestCase):
@@ -116,7 +182,7 @@ class TestTrexTrafficGen(unittest.TestCase):
             self.assertIsNotNone(trex_traffic_gen._terminated)
 
     def test_collect_kpi(self):
-       with mock.patch("yardstick.ssh.SSH") as ssh:
+        with mock.patch("yardstick.ssh.SSH") as ssh:
             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
             ssh_mock = mock.Mock(autospec=ssh.SSH)
             ssh_mock.execute = \