diff --git a/tests/ft/neuron/api.py b/tests/ft/neuron/api.py
index 1449725e..25b27359 100644
--- a/tests/ft/neuron/api.py
+++ b/tests/ft/neuron/api.py
@@ -8,3 +8,11 @@ def login(user='admin', password='0000'):
 
 def change_password(new_password, user='admin', old_password='0000', jwt=config.default_jwt):
     return requests.post(url=config.BASE_URL + '/api/v2/password', headers={"Authorization": jwt}, json={"name": user, "old_pass": old_password, "new_pass": new_password})
+
+
+def get_license(jwt=config.default_jwt):
+    return requests.get(url=config.BASE_URL + '/api/v2/license', headers={"Authorization": jwt})
+
+
+def upload_license(license, jwt=config.default_jwt):
+    return requests.post(url=config.BASE_URL + '/api/v2/license', headers={"Authorization": jwt}, json={"license": license})
diff --git a/tests/ft/neuron/error.py b/tests/ft/neuron/error.py
new file mode 100644
index 00000000..434b33f6
--- /dev/null
+++ b/tests/ft/neuron/error.py
@@ -0,0 +1,94 @@
+NEU_ERR_SUCCESS = 0
+
+NEU_ERR_EINTERNAL = 1001
+NEU_ERR_BODY_IS_WRONG = 1002
+NEU_ERR_PARAM_IS_WRONG = 1003
+NEU_ERR_NEED_TOKEN = 1004
+NEU_ERR_DECODE_TOKEN = 1005
+NEU_ERR_EXPIRED_TOKEN = 1006
+NEU_ERR_VALIDATE_TOKEN = 1007
+NEU_ERR_INVALID_TOKEN = 1008
+NEU_ERR_INVALID_USER_OR_PASSWORD = 1009
+NEU_ERR_IS_BUSY = 1010
+NEU_ERR_FILE_NOT_EXIST = 1011
+NEU_ERR_INVALID_PASSWORD_LEN = 1012
+NEU_ERR_DUPLICATE_PASSWORD = 1013
+NEU_ERR_COMMAND_EXECUTION_FAILED = 1014
+NEU_ERR_IP_ADDRESS_INVALID = 1015
+NEU_ERR_IP_ADDRESS_IN_USE = 1016
+NEU_ERR_INVALID_USER = 1017
+NEU_ERR_INVALID_PASSWORD = 1018
+
+NEU_ERR_NODE_EXIST = 2002
+NEU_ERR_NODE_NOT_EXIST = 2003
+NEU_ERR_NODE_SETTING_INVALID = 2004
+NEU_ERR_NODE_SETTING_NOT_FOUND = 2005
+NEU_ERR_NODE_NOT_READY = 2006
+NEU_ERR_NODE_IS_RUNNING = 2007
+NEU_ERR_NODE_NOT_RUNNING = 2008
+NEU_ERR_NODE_IS_STOPED = 2009
+NEU_ERR_NODE_NAME_TOO_LONG = 2010
+NEU_ERR_NODE_NOT_ALLOW_DELETE = 2011
+NEU_ERR_NODE_NOT_ALLOW_SUBSCRIBE = 2012
+NEU_ERR_NODE_NOT_ALLOW_UPDATE = 2013
+NEU_ERR_NODE_NOT_ALLOW_MAP = 2014
+NEU_ERR_NODE_NAME_EMPTY = 2015
+
+NEU_ERR_GROUP_ALREADY_SUBSCRIBED = 2101
+NEU_ERR_GROUP_NOT_SUBSCRIBE = 2102
+NEU_ERR_GROUP_NOT_ALLOW = 2103
+NEU_ERR_GROUP_EXIST = 2104
+NEU_ERR_GROUP_PARAMETER_INVALID = 2105
+NEU_ERR_GROUP_NOT_EXIST = 2106
+NEU_ERR_GROUP_NAME_TOO_LONG = 2107
+
+NEU_ERR_TAG_NOT_EXIST = 2201
+NEU_ERR_TAG_NAME_CONFLICT = 2202
+NEU_ERR_TAG_ATTRIBUTE_NOT_SUPPORT = 2203
+NEU_ERR_TAG_TYPE_NOT_SUPPORT = 2204
+NEU_ERR_TAG_ADDRESS_FORMAT_INVALID = 2205
+NEU_ERR_TAG_NAME_TOO_LONG = 2206
+NEU_ERR_TAG_ADDRESS_TOO_LONG = 2207
+NEU_ERR_TAG_DESCRIPTION_TOO_LONG = 2208
+NEU_ERR_TAG_PRECISION_INVALID = 2209
+NEU_ERR_TAG_EXIST = 2210
+
+NEU_ERR_LIBRARY_NOT_FOUND = 2301
+NEU_ERR_LIBRARY_INFO_INVALID = 2302
+NEU_ERR_LIBRARY_NAME_CONFLICT = 2303
+NEU_ERR_LIBRARY_FAILED_TO_OPEN = 2304
+NEU_ERR_LIBRARY_MODULE_INVALID = 2305
+NEU_ERR_LIBRARY_SYSTEM_NOT_ALLOW_DEL = 2306
+NEU_ERR_LIBRARY_NOT_ALLOW_CREATE_INSTANCE = 2307
+NEU_ERR_LIBRARY_ARCH_NOT_SUPPORT = 2308
+
+NEU_ERR_LICENSE_NOT_FOUND = 2400
+NEU_ERR_LICENSE_INVALID = 2401
+NEU_ERR_LICENSE_EXPIRED = 2402
+NEU_ERR_LICENSE_DISABLED = 2403
+NEU_ERR_LICENSE_MAX_NODES = 2404
+NEU_ERR_LICENSE_MAX_TAGS = 2405
+NEU_ERR_LICENSE_TOKEN_NOT_MATCH = 2406
+NEU_ERR_LICENSE_BAD_CLOCK = 2407
+NEU_ERR_LICENSE_MODULE_INVALID = 2408
+
+NEU_ERR_TEMPLATE_EXIST = 2500
+NEU_ERR_TEMPLATE_NOT_FOUND = 2501
+NEU_ERR_TEMPLATE_NAME_TOO_LONG = 2502
+
+NEU_ERR_PLUGIN_READ_FAILURE = 3000
+NEU_ERR_PLUGIN_WRITE_FAILURE = 3001
+NEU_ERR_PLUGIN_DISCONNECTED = 3002
+NEU_ERR_PLUGIN_TAG_NOT_ALLOW_READ = 3003
+NEU_ERR_PLUGIN_TAG_NOT_ALLOW_WRITE = 3004
+NEU_ERR_PLUGIN_TAG_TYPE_MISMATCH = 3007
+NEU_ERR_PLUGIN_TAG_VALUE_EXPIRED = 3008
+NEU_ERR_PLUGIN_PROTOCOL_DECODE_FAILURE = 3009
+NEU_ERR_PLUGIN_NOT_RUNNING = 3010
+NEU_ERR_PLUGIN_TAG_NOT_READY = 3011
+NEU_ERR_PLUGIN_PACKET_OUT_OF_ORDER = 3012
+NEU_ERR_PLUGIN_NAME_TOO_LONG = 3013
+NEU_ERR_PLUGIN_NOT_FOUND = 3014
+NEU_ERR_PLUGIN_DEVICE_NOT_RESPONSE = 3015
+NEU_ERR_PLUGIN_NOT_SUPPORT_TEMPLATE = 3016
+NEU_ERR_PLUGIN_NOT_SUPPORT_WRITE_TAGS = 3017
diff --git a/tests/ft/neuron/process.py b/tests/ft/neuron/process.py
index d3925423..82e4dc76 100644
--- a/tests/ft/neuron/process.py
+++ b/tests/ft/neuron/process.py
@@ -2,6 +2,7 @@ import os
 import time
 import pytest
 import subprocess
+import random
 
 
 def remove_persistence(dir='build/'):
@@ -21,3 +22,19 @@ def stop_neuron(process):
     result = process.terminate()
     stderr = process.stderr.read().decode()
     assert stderr == '', "Neuron process has errors: " + stderr
+
+
+def start_simulator(args, dir='build/simulator'):
+    process = subprocess.Popen(
+        args, stderr=subprocess.PIPE, cwd=dir)
+    time.sleep(1)
+    assert process.poll() is None
+    return process
+
+
+def stop_simulator(process):
+    process.terminate()
+
+
+def random_port():
+    return random.randint(30000, 65535)
diff --git a/tests/ft/setup.py b/tests/ft/setup.py
index ebc03e8d..4288fce8 100644
--- a/tests/ft/setup.py
+++ b/tests/ft/setup.py
@@ -1,4 +1,4 @@
 from distutils.core import setup
 
 setup(name='neuronft', version="0.0.1",
-      description='ft module', author='neuron', py_modules=['neuron', 'neuron.api', 'neuron.common', 'neuron.config', 'neuron.process'])
+      description='ft module', author='neuron', py_modules=['neuron.api', 'neuron.common', 'neuron.config', 'neuron.process', 'neuron.error'])