fix violation of import rule in TestAPI

TestAPI violate import rule of OpenStack Style a lot, like
Do not import objects, only modules
Do not import more than one module per line 
Alphabetically order your imports by the full module path
This patch is mean to fix them.

Change-Id: Ia05b944a74b3f443c9101a9840f613f9a6f5ae49
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

17 files changed, 273 insertions, 274 deletions

diff --git a/testapi/opnfv_testapi/cmd/server.py b/testapi/opnfv_testapi/cmd/server.py
index c3d7346..3e0484f 100644
--- a/testapi/opnfv_testapi/cmd/server.py
+++ b/testapi/opnfv_testapi/cmd/server.py
@@ -31,19 +31,19 @@ TODOs :
 
 import argparse
 
-import tornado.ioloop
 import motor
+import tornado.ioloop
 
-from opnfv_testapi.common.config import APIConfig
-from opnfv_testapi.tornado_swagger import swagger
+from opnfv_testapi.common import config
 from opnfv_testapi.router import url_mappings
+from opnfv_testapi.tornado_swagger import swagger
 
 # optionally get config file from command line
 parser = argparse.ArgumentParser()
 parser.add_argument("-c", "--config-file", dest='config_file',
                     help="Config file location")
 args = parser.parse_args()
-CONF = APIConfig().parse(args.config_file)
+CONF = config.APIConfig().parse(args.config_file)
 
 # connecting to MongoDB server, and choosing database
 client = motor.MotorClient(CONF.mongo_url)
diff --git a/testapi/opnfv_testapi/common/config.py b/testapi/opnfv_testapi/common/config.py
index ecab88a..82d9c4d 100644
--- a/testapi/opnfv_testapi/common/config.py
+++ b/testapi/opnfv_testapi/common/config.py
@@ -7,9 +7,7 @@
 # http://www.apache.org/licenses/LICENSE-2.0
 # feng.xiaowei@zte.com.cn remove prepare_put_request            5-30-2016
 ##############################################################################
-
-
-from ConfigParser import SafeConfigParser, NoOptionError
+import ConfigParser
 
 
 class ParseError(Exception):
@@ -42,7 +40,7 @@ class APIConfig:
     def _get_parameter(self, section, param):
         try:
             return self._parser.get(section, param)
-        except NoOptionError:
+        except ConfigParser.NoOptionError:
             raise ParseError("[%s.%s] parameter not found" % (section, param))
 
     def _get_int_parameter(self, section, param):
@@ -68,7 +66,7 @@ class APIConfig:
         if config_location is None:
             config_location = obj._default_config_location
 
-        obj._parser = SafeConfigParser()
+        obj._parser = ConfigParser.SafeConfigParser()
         obj._parser.read(config_location)
         if not obj._parser:
             raise ParseError("%s not found" % config_location)
diff --git a/testapi/opnfv_testapi/resources/handlers.py b/testapi/opnfv_testapi/resources/handlers.py
index a2628e2..89e91b3 100644
--- a/testapi/opnfv_testapi/resources/handlers.py
+++ b/testapi/opnfv_testapi/resources/handlers.py
@@ -20,19 +20,18 @@
 # feng.xiaowei@zte.com.cn remove DashboardHandler            5-30-2016
 ##############################################################################
 
-import json
 from datetime import datetime
+import json
 
 from tornado import gen
-from tornado.web import RequestHandler, asynchronous, HTTPError
+from tornado import web
 
-from models import CreateResponse
-from opnfv_testapi.common.constants import DEFAULT_REPRESENTATION, \
-    HTTP_BAD_REQUEST, HTTP_NOT_FOUND, HTTP_FORBIDDEN
+import models
+from opnfv_testapi.common import constants
 from opnfv_testapi.tornado_swagger import swagger
 
 
-class GenericApiHandler(RequestHandler):
+class GenericApiHandler(web.RequestHandler):
     def __init__(self, application, request, **kwargs):
         super(GenericApiHandler, self).__init__(application, request, **kwargs)
         self.db = self.settings["db"]
@@ -49,29 +48,29 @@ class GenericApiHandler(RequestHandler):
         if self.request.method != "GET" and self.request.method != "DELETE":
             if self.request.headers.get("Content-Type") is not None:
                 if self.request.headers["Content-Type"].startswith(
-                        DEFAULT_REPRESENTATION):
+                        constants.DEFAULT_REPRESENTATION):
                     try:
                         self.json_args = json.loads(self.request.body)
                     except (ValueError, KeyError, TypeError) as error:
-                        raise HTTPError(HTTP_BAD_REQUEST,
-                                        "Bad Json format [{}]".
-                                        format(error))
+                        raise web.HTTPError(constants.HTTP_BAD_REQUEST,
+                                            "Bad Json format [{}]".
+                                            format(error))
 
     def finish_request(self, json_object=None):
         if json_object:
             self.write(json.dumps(json_object))
-        self.set_header("Content-Type", DEFAULT_REPRESENTATION)
+        self.set_header("Content-Type", constants.DEFAULT_REPRESENTATION)
         self.finish()
 
     def _create_response(self, resource):
         href = self.request.full_url() + '/' + str(resource)
-        return CreateResponse(href=href).format()
+        return models.CreateResponse(href=href).format()
 
     def format_data(self, data):
         cls_data = self.table_cls.from_dict(data)
         return cls_data.format_http()
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _create(self, miss_checks, db_checks, **kwargs):
         """
@@ -79,14 +78,14 @@ class GenericApiHandler(RequestHandler):
         :param db_checks: [(table, exist, query, error)]
         """
         if self.json_args is None:
-            raise HTTPError(HTTP_BAD_REQUEST, "no body")
+            raise web.HTTPError(constants.HTTP_BAD_REQUEST, "no body")
 
         data = self.table_cls.from_dict(self.json_args)
         for miss in miss_checks:
             miss_data = data.__getattribute__(miss)
             if miss_data is None or miss_data == '':
-                raise HTTPError(HTTP_BAD_REQUEST,
-                                '{} missing'.format(miss))
+                raise web.HTTPError(constants.HTTP_BAD_REQUEST,
+                                    '{} missing'.format(miss))
 
         for k, v in kwargs.iteritems():
             data.__setattr__(k, v)
@@ -95,7 +94,7 @@ class GenericApiHandler(RequestHandler):
             check = yield self._eval_db_find_one(query(data), table)
             if (exist and not check) or (not exist and check):
                 code, message = error(data)
-                raise HTTPError(code, message)
+                raise web.HTTPError(code, message)
 
         if self.table != 'results':
             data.creation_date = datetime.now()
@@ -107,7 +106,7 @@ class GenericApiHandler(RequestHandler):
             resource = _id
         self.finish_request(self._create_response(resource))
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _list(self, query=None, res_op=None, *args, **kwargs):
         if query is None:
@@ -126,40 +125,40 @@ class GenericApiHandler(RequestHandler):
             res = res_op(data, *args)
         self.finish_request(res)
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _get_one(self, query):
         data = yield self._eval_db_find_one(query)
         if data is None:
-            raise HTTPError(HTTP_NOT_FOUND,
-                            "[{}] not exist in table [{}]"
-                            .format(query, self.table))
+            raise web.HTTPError(constants.HTTP_NOT_FOUND,
+                                "[{}] not exist in table [{}]"
+                                .format(query, self.table))
         self.finish_request(self.format_data(data))
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _delete(self, query):
         data = yield self._eval_db_find_one(query)
         if data is None:
-            raise HTTPError(HTTP_NOT_FOUND,
-                            "[{}] not exit in table [{}]"
-                            .format(query, self.table))
+            raise web.HTTPError(constants.HTTP_NOT_FOUND,
+                                "[{}] not exit in table [{}]"
+                                .format(query, self.table))
 
         yield self._eval_db(self.table, 'remove', query)
         self.finish_request()
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _update(self, query, db_keys):
         if self.json_args is None:
-            raise HTTPError(HTTP_BAD_REQUEST, "No payload")
+            raise web.HTTPError(constants.HTTP_BAD_REQUEST, "No payload")
 
         # check old data exist
         from_data = yield self._eval_db_find_one(query)
         if from_data is None:
-            raise HTTPError(HTTP_NOT_FOUND,
-                            "{} could not be found in table [{}]"
-                            .format(query, self.table))
+            raise web.HTTPError(constants.HTTP_NOT_FOUND,
+                                "{} could not be found in table [{}]"
+                                .format(query, self.table))
 
         data = self.table_cls.from_dict(from_data)
         # check new data exist
@@ -167,9 +166,9 @@ class GenericApiHandler(RequestHandler):
         if not equal:
             to_data = yield self._eval_db_find_one(new_query)
             if to_data is not None:
-                raise HTTPError(HTTP_FORBIDDEN,
-                                "{} already exists in table [{}]"
-                                .format(new_query, self.table))
+                raise web.HTTPError(constants.HTTP_FORBIDDEN,
+                                    "{} already exists in table [{}]"
+                                    .format(new_query, self.table))
 
         # we merge the whole document """
         edit_request = self._update_requests(data)
@@ -186,7 +185,7 @@ class GenericApiHandler(RequestHandler):
             request = self._update_request(request, k, v,
                                            data.__getattribute__(k))
         if not request:
-            raise HTTPError(HTTP_FORBIDDEN, "Nothing to update")
+            raise web.HTTPError(constants.HTTP_FORBIDDEN, "Nothing to update")
 
         edit_request = data.format()
         edit_request.update(request)
diff --git a/testapi/opnfv_testapi/resources/pod_handlers.py b/testapi/opnfv_testapi/resources/pod_handlers.py
index e1bd9d3..65c27f6 100644
--- a/testapi/opnfv_testapi/resources/pod_handlers.py
+++ b/testapi/opnfv_testapi/resources/pod_handlers.py
@@ -6,17 +6,17 @@
 # which accompanies this distribution, and is available at
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
+import handlers
+from opnfv_testapi.common import constants
 from opnfv_testapi.tornado_swagger import swagger
-from handlers import GenericApiHandler
-from pod_models import Pod
-from opnfv_testapi.common.constants import HTTP_FORBIDDEN
+import pod_models
 
 
-class GenericPodHandler(GenericApiHandler):
+class GenericPodHandler(handlers.GenericApiHandler):
     def __init__(self, application, request, **kwargs):
         super(GenericPodHandler, self).__init__(application, request, **kwargs)
         self.table = 'pods'
-        self.table_cls = Pod
+        self.table_cls = pod_models.Pod
 
 
 class PodCLHandler(GenericPodHandler):
@@ -46,7 +46,7 @@ class PodCLHandler(GenericPodHandler):
 
         def error(data):
             message = '{} already exists as a pod'.format(data.name)
-            return HTTP_FORBIDDEN, message
+            return constants.HTTP_FORBIDDEN, message
 
         miss_checks = ['name']
         db_checks = [(self.table, False, query, error)]
diff --git a/testapi/opnfv_testapi/resources/project_handlers.py b/testapi/opnfv_testapi/resources/project_handlers.py
index 94c65b7..f352196 100644
--- a/testapi/opnfv_testapi/resources/project_handlers.py
+++ b/testapi/opnfv_testapi/resources/project_handlers.py
@@ -6,19 +6,19 @@
 # which accompanies this distribution, and is available at
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
+import handlers
+from opnfv_testapi.common import constants
 from opnfv_testapi.tornado_swagger import swagger
-from handlers import GenericApiHandler
-from opnfv_testapi.common.constants import HTTP_FORBIDDEN
-from project_models import Project
+import project_models
 
 
-class GenericProjectHandler(GenericApiHandler):
+class GenericProjectHandler(handlers.GenericApiHandler):
     def __init__(self, application, request, **kwargs):
         super(GenericProjectHandler, self).__init__(application,
                                                     request,
                                                     **kwargs)
         self.table = 'projects'
-        self.table_cls = Project
+        self.table_cls = project_models.Project
 
 
 class ProjectCLHandler(GenericProjectHandler):
@@ -48,7 +48,7 @@ class ProjectCLHandler(GenericProjectHandler):
 
         def error(data):
             message = '{} already exists as a project'.format(data.name)
-            return HTTP_FORBIDDEN, message
+            return constants.HTTP_FORBIDDEN, message
 
         miss_checks = ['name']
         db_checks = [(self.table, False, query, error)]
diff --git a/testapi/opnfv_testapi/resources/result_handlers.py b/testapi/opnfv_testapi/resources/result_handlers.py
index 2a1ed56..d41ba48 100644
--- a/testapi/opnfv_testapi/resources/result_handlers.py
+++ b/testapi/opnfv_testapi/resources/result_handlers.py
@@ -6,30 +6,32 @@
 # which accompanies this distribution, and is available at
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
-from datetime import datetime, timedelta
+from datetime import datetime
+from datetime import timedelta
 
-from bson.objectid import ObjectId
-from tornado.web import HTTPError
+from bson import objectid
+from tornado import web
 
-from opnfv_testapi.common.constants import HTTP_BAD_REQUEST, HTTP_NOT_FOUND
-from opnfv_testapi.resources.handlers import GenericApiHandler
-from opnfv_testapi.resources.result_models import TestResult
+from opnfv_testapi.common import constants
+from opnfv_testapi.resources import handlers
+from opnfv_testapi.resources import result_models
 from opnfv_testapi.tornado_swagger import swagger
 
 
-class GenericResultHandler(GenericApiHandler):
+class GenericResultHandler(handlers.GenericApiHandler):
     def __init__(self, application, request, **kwargs):
         super(GenericResultHandler, self).__init__(application,
                                                    request,
                                                    **kwargs)
         self.table = self.db_results
-        self.table_cls = TestResult
+        self.table_cls = result_models.TestResult
 
     def get_int(self, key, value):
         try:
             value = int(value)
         except:
-            raise HTTPError(HTTP_BAD_REQUEST, '{} must be int'.format(key))
+            raise web.HTTPError(constants.HTTP_BAD_REQUEST,
+                                '{} must be int'.format(key))
         return value
 
     def set_query(self):
@@ -144,14 +146,14 @@ class ResultsCLHandler(GenericResultHandler):
 
         def pod_error(data):
             message = 'Could not find pod [{}]'.format(data.pod_name)
-            return HTTP_NOT_FOUND, message
+            return constants.HTTP_NOT_FOUND, message
 
         def project_query(data):
             return {'name': data.project_name}
 
         def project_error(data):
             message = 'Could not find project [{}]'.format(data.project_name)
-            return HTTP_NOT_FOUND, message
+            return constants.HTTP_NOT_FOUND, message
 
         def testcase_query(data):
             return {'project_name': data.project_name, 'name': data.case_name}
@@ -159,7 +161,7 @@ class ResultsCLHandler(GenericResultHandler):
         def testcase_error(data):
             message = 'Could not find testcase [{}] in project [{}]'\
                 .format(data.case_name, data.project_name)
-            return HTTP_NOT_FOUND, message
+            return constants.HTTP_NOT_FOUND, message
 
         miss_checks = ['pod_name', 'project_name', 'case_name']
         db_checks = [('pods', True, pod_query, pod_error),
@@ -178,7 +180,7 @@ class ResultsGURHandler(GenericResultHandler):
             @raise 404: test result not exist
         """
         query = dict()
-        query["_id"] = ObjectId(result_id)
+        query["_id"] = objectid.ObjectId(result_id)
         self._get_one(query)
 
     @swagger.operation(nickname="updateTestResultById")
@@ -193,6 +195,6 @@ class ResultsGURHandler(GenericResultHandler):
             @raise 404: result not exist
             @raise 403: nothing to update
         """
-        query = {'_id': ObjectId(result_id)}
+        query = {'_id': objectid.ObjectId(result_id)}
         db_keys = []
         self._update(query, db_keys)
diff --git a/testapi/opnfv_testapi/resources/scenario_handlers.py b/testapi/opnfv_testapi/resources/scenario_handlers.py
index 7c8c333..083bf59 100644
--- a/testapi/opnfv_testapi/resources/scenario_handlers.py
+++ b/testapi/opnfv_testapi/resources/scenario_handlers.py
@@ -1,17 +1,16 @@
-from opnfv_testapi.common.constants import HTTP_FORBIDDEN
-from opnfv_testapi.resources.handlers import GenericApiHandler
-from opnfv_testapi.resources.scenario_models import Scenario
+from opnfv_testapi.common import constants
+from opnfv_testapi.resources import handlers
 import opnfv_testapi.resources.scenario_models as models
 from opnfv_testapi.tornado_swagger import swagger
 
 
-class GenericScenarioHandler(GenericApiHandler):
+class GenericScenarioHandler(handlers.GenericApiHandler):
     def __init__(self, application, request, **kwargs):
         super(GenericScenarioHandler, self).__init__(application,
                                                      request,
                                                      **kwargs)
         self.table = self.db_scenarios
-        self.table_cls = Scenario
+        self.table_cls = models.Scenario
 
 
 class ScenariosCLHandler(GenericScenarioHandler):
@@ -81,7 +80,7 @@ class ScenariosCLHandler(GenericScenarioHandler):
 
         def error(data):
             message = '{} already exists as a scenario'.format(data.name)
-            return HTTP_FORBIDDEN, message
+            return constants.HTTP_FORBIDDEN, message
 
         miss_checks = ['name']
         db_checks = [(self.table, False, query, error)]
diff --git a/testapi/opnfv_testapi/resources/testcase_handlers.py b/testapi/opnfv_testapi/resources/testcase_handlers.py
index 100a4fd..3debd69 100644
--- a/testapi/opnfv_testapi/resources/testcase_handlers.py
+++ b/testapi/opnfv_testapi/resources/testcase_handlers.py
@@ -6,19 +6,19 @@
 # which accompanies this distribution, and is available at
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
-from opnfv_testapi.common.constants import HTTP_FORBIDDEN
-from opnfv_testapi.resources.handlers import GenericApiHandler
-from opnfv_testapi.resources.testcase_models import Testcase
+from opnfv_testapi.common import constants
+from opnfv_testapi.resources import handlers
+from opnfv_testapi.resources import testcase_models
 from opnfv_testapi.tornado_swagger import swagger
 
 
-class GenericTestcaseHandler(GenericApiHandler):
+class GenericTestcaseHandler(handlers.GenericApiHandler):
     def __init__(self, application, request, **kwargs):
         super(GenericTestcaseHandler, self).__init__(application,
                                                      request,
                                                      **kwargs)
         self.table = self.db_testcases
-        self.table_cls = Testcase
+        self.table_cls = testcase_models.Testcase
 
 
 class TestcaseCLHandler(GenericTestcaseHandler):
@@ -58,12 +58,12 @@ class TestcaseCLHandler(GenericTestcaseHandler):
 
         def p_error(data):
             message = 'Could not find project [{}]'.format(data.project_name)
-            return HTTP_FORBIDDEN, message
+            return constants.HTTP_FORBIDDEN, message
 
         def tc_error(data):
             message = '{} already exists as a testcase in project {}'\
                 .format(data.name, data.project_name)
-            return HTTP_FORBIDDEN, message
+            return constants.HTTP_FORBIDDEN, message
 
         miss_checks = ['name']
         db_checks = [(self.db_projects, True, p_query, p_error),
diff --git a/testapi/opnfv_testapi/router/url_mappings.py b/testapi/opnfv_testapi/router/url_mappings.py
index 0ae3c31..39cf006 100644
--- a/testapi/opnfv_testapi/router/url_mappings.py
+++ b/testapi/opnfv_testapi/router/url_mappings.py
@@ -6,37 +6,34 @@
 # which accompanies this distribution, and is available at
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
-from opnfv_testapi.resources.handlers import VersionHandler
-from opnfv_testapi.resources.testcase_handlers import TestcaseCLHandler, \
-    TestcaseGURHandler
-from opnfv_testapi.resources.pod_handlers import PodCLHandler, PodGURHandler
-from opnfv_testapi.resources.project_handlers import ProjectCLHandler, \
-    ProjectGURHandler
-from opnfv_testapi.resources.result_handlers import ResultsCLHandler, \
-    ResultsGURHandler
-from opnfv_testapi.resources.scenario_handlers import ScenariosCLHandler
-from opnfv_testapi.resources.scenario_handlers import ScenarioGURHandler
+from opnfv_testapi.resources import handlers
+from opnfv_testapi.resources import pod_handlers
+from opnfv_testapi.resources import project_handlers
+from opnfv_testapi.resources import result_handlers
+from opnfv_testapi.resources import scenario_handlers
+from opnfv_testapi.resources import testcase_handlers
 
 mappings = [
     # GET /versions => GET API version
-    (r"/versions", VersionHandler),
+    (r"/versions", handlers.VersionHandler),
 
     # few examples:
     # GET /api/v1/pods => Get all pods
     # GET /api/v1/pods/1 => Get details on POD 1
-    (r"/api/v1/pods", PodCLHandler),
-    (r"/api/v1/pods/([^/]+)", PodGURHandler),
+    (r"/api/v1/pods", pod_handlers.PodCLHandler),
+    (r"/api/v1/pods/([^/]+)", pod_handlers.PodGURHandler),
 
     # few examples:
     # GET /projects
     # GET /projects/yardstick
-    (r"/api/v1/projects", ProjectCLHandler),
-    (r"/api/v1/projects/([^/]+)", ProjectGURHandler),
+    (r"/api/v1/projects", project_handlers.ProjectCLHandler),
+    (r"/api/v1/projects/([^/]+)", project_handlers.ProjectGURHandler),
 
     # few examples
     # GET /projects/qtip/cases => Get cases for qtip
-    (r"/api/v1/projects/([^/]+)/cases", TestcaseCLHandler),
-    (r"/api/v1/projects/([^/]+)/cases/([^/]+)", TestcaseGURHandler),
+    (r"/api/v1/projects/([^/]+)/cases", testcase_handlers.TestcaseCLHandler),
+    (r"/api/v1/projects/([^/]+)/cases/([^/]+)",
+     testcase_handlers.TestcaseGURHandler),
 
     # new path to avoid a long depth
     # GET /results?project=functest&case=keystone.catalog&pod=1
@@ -44,10 +41,10 @@ mappings = [
     # POST /results =>
     # Push results with mandatory request payload parameters
     # (project, case, and pod)
-    (r"/api/v1/results", ResultsCLHandler),
-    (r"/api/v1/results/([^/]+)", ResultsGURHandler),
+    (r"/api/v1/results", result_handlers.ResultsCLHandler),
+    (r"/api/v1/results/([^/]+)", result_handlers.ResultsGURHandler),
 
     # scenarios
-    (r"/api/v1/scenarios", ScenariosCLHandler),
-    (r"/api/v1/scenarios/([^/]+)", ScenarioGURHandler),
+    (r"/api/v1/scenarios", scenario_handlers.ScenariosCLHandler),
+    (r"/api/v1/scenarios/([^/]+)", scenario_handlers.ScenarioGURHandler),
 ]
diff --git a/testapi/opnfv_testapi/tests/unit/test_base.py b/testapi/opnfv_testapi/tests/unit/test_base.py
index fc780e4..84d611b 100644
--- a/testapi/opnfv_testapi/tests/unit/test_base.py
+++ b/testapi/opnfv_testapi/tests/unit/test_base.py
@@ -8,20 +8,20 @@
 ##############################################################################
 import json
 
-from tornado.web import Application
-from tornado.testing import AsyncHTTPTestCase
+from tornado import testing
+from tornado import web
 
-from opnfv_testapi.router import url_mappings
-from opnfv_testapi.resources.models import CreateResponse
 import fake_pymongo
+from opnfv_testapi.resources import models
+from opnfv_testapi.router import url_mappings
 
 
-class TestBase(AsyncHTTPTestCase):
+class TestBase(testing.AsyncHTTPTestCase):
     headers = {'Content-Type': 'application/json; charset=UTF-8'}
 
     def setUp(self):
         self.basePath = ''
-        self.create_res = CreateResponse
+        self.create_res = models.CreateResponse
         self.get_res = None
         self.list_res = None
         self.update_res = None
@@ -31,7 +31,7 @@ class TestBase(AsyncHTTPTestCase):
         super(TestBase, self).setUp()
 
     def get_app(self):
-        return Application(
+        return web.Application(
             url_mappings.mappings,
             db=fake_pymongo,
             debug=True,
diff --git a/testapi/opnfv_testapi/tests/unit/test_fake_pymongo.py b/testapi/opnfv_testapi/tests/unit/test_fake_pymongo.py
index 5f50ba8..7c43fca 100644
--- a/testapi/opnfv_testapi/tests/unit/test_fake_pymongo.py
+++ b/testapi/opnfv_testapi/tests/unit/test_fake_pymongo.py
@@ -9,13 +9,13 @@
 import unittest
 
 from tornado import gen
-from tornado.testing import AsyncHTTPTestCase, gen_test
-from tornado.web import Application
+from tornado import testing
+from tornado import web
 
 import fake_pymongo
 
 
-class MyTest(AsyncHTTPTestCase):
+class MyTest(testing.AsyncHTTPTestCase):
     def setUp(self):
         super(MyTest, self).setUp()
         self.db = fake_pymongo
@@ -23,7 +23,7 @@ class MyTest(AsyncHTTPTestCase):
         self.io_loop.run_sync(self.fixture_setup)
 
     def get_app(self):
-        return Application()
+        return web.Application()
 
     @gen.coroutine
     def fixture_setup(self):
@@ -32,13 +32,13 @@ class MyTest(AsyncHTTPTestCase):
         yield self.db.pods.insert({'_id': '1', 'name': 'test1'})
         yield self.db.pods.insert({'name': 'test2'})
 
-    @gen_test
+    @testing.gen_test
     def test_find_one(self):
         user = yield self.db.pods.find_one({'name': 'test1'})
         self.assertEqual(user, self.test1)
         self.db.pods.remove()
 
-    @gen_test
+    @testing.gen_test
     def test_find(self):
         cursor = self.db.pods.find()
         names = []
@@ -47,7 +47,7 @@ class MyTest(AsyncHTTPTestCase):
             names.append(ob.get('name'))
         self.assertItemsEqual(names, ['test1', 'test2'])
 
-    @gen_test
+    @testing.gen_test
     def test_update(self):
         yield self.db.pods.update({'_id': '1'}, {'name': 'new_test1'})
         user = yield self.db.pods.find_one({'_id': '1'})
@@ -71,7 +71,7 @@ class MyTest(AsyncHTTPTestCase):
                             None,
                             check_keys=False)
 
-    @gen_test
+    @testing.gen_test
     def test_remove(self):
         yield self.db.pods.remove({'_id': '1'})
         user = yield self.db.pods.find_one({'_id': '1'})
@@ -104,7 +104,7 @@ class MyTest(AsyncHTTPTestCase):
     def _insert_assert(self, docs, error=None, **kwargs):
         self._db_assert('insert', error, docs, **kwargs)
 
-    @gen_test
+    @testing.gen_test
     def _db_assert(self, method, error, *args, **kwargs):
         name_error = None
         try:
diff --git a/testapi/opnfv_testapi/tests/unit/test_pod.py b/testapi/opnfv_testapi/tests/unit/test_pod.py
index a1184d5..922bd46 100644
--- a/testapi/opnfv_testapi/tests/unit/test_pod.py
+++ b/testapi/opnfv_testapi/tests/unit/test_pod.py
@@ -8,20 +8,19 @@
 ##############################################################################
 import unittest
 
-from test_base import TestBase
-from opnfv_testapi.resources.pod_models import PodCreateRequest, Pod, Pods
-from opnfv_testapi.common.constants import HTTP_OK, HTTP_BAD_REQUEST, \
-    HTTP_FORBIDDEN, HTTP_NOT_FOUND
+from opnfv_testapi.common import constants
+from opnfv_testapi.resources import pod_models
+import test_base as base
 
 
-class TestPodBase(TestBase):
+class TestPodBase(base.TestBase):
     def setUp(self):
         super(TestPodBase, self).setUp()
-        self.req_d = PodCreateRequest('zte-1', 'virtual',
-                                      'zte pod 1', 'ci-pod')
-        self.req_e = PodCreateRequest('zte-2', 'metal', 'zte pod 2')
-        self.get_res = Pod
-        self.list_res = Pods
+        self.req_d = pod_models.PodCreateRequest('zte-1', 'virtual',
+                                                 'zte pod 1', 'ci-pod')
+        self.req_e = pod_models.PodCreateRequest('zte-2', 'metal', 'zte pod 2')
+        self.get_res = pod_models.Pod
+        self.list_res = pod_models.Pods
         self.basePath = '/api/v1/pods'
 
     def assert_get_body(self, pod, req=None):
@@ -38,36 +37,36 @@ class TestPodBase(TestBase):
 class TestPodCreate(TestPodBase):
     def test_withoutBody(self):
         (code, body) = self.create()
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
 
     def test_emptyName(self):
-        req_empty = PodCreateRequest('')
+        req_empty = pod_models.PodCreateRequest('')
         (code, body) = self.create(req_empty)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('name missing', body)
 
     def test_noneName(self):
-        req_none = PodCreateRequest(None)
+        req_none = pod_models.PodCreateRequest(None)
         (code, body) = self.create(req_none)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('name missing', body)
 
     def test_success(self):
         code, body = self.create_d()
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assert_create_body(body)
 
     def test_alreadyExist(self):
         self.create_d()
         code, body = self.create_d()
-        self.assertEqual(code, HTTP_FORBIDDEN)
+        self.assertEqual(code, constants.HTTP_FORBIDDEN)
         self.assertIn('already exists', body)
 
 
 class TestPodGet(TestPodBase):
     def test_notExist(self):
         code, body = self.get('notExist')
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
 
     def test_getOne(self):
         self.create_d()
diff --git a/testapi/opnfv_testapi/tests/unit/test_project.py b/testapi/opnfv_testapi/tests/unit/test_project.py
index 327ddf7..afd4a66 100644
--- a/testapi/opnfv_testapi/tests/unit/test_project.py
+++ b/testapi/opnfv_testapi/tests/unit/test_project.py
@@ -8,21 +8,21 @@
 ##############################################################################
 import unittest
 
-from test_base import TestBase
-from opnfv_testapi.resources.project_models import ProjectCreateRequest, \
-    Project, Projects, ProjectUpdateRequest
-from opnfv_testapi.common.constants import HTTP_OK, HTTP_BAD_REQUEST, \
-    HTTP_FORBIDDEN, HTTP_NOT_FOUND
+from opnfv_testapi.common import constants
+from opnfv_testapi.resources import project_models
+import test_base as base
 
 
-class TestProjectBase(TestBase):
+class TestProjectBase(base.TestBase):
     def setUp(self):
         super(TestProjectBase, self).setUp()
-        self.req_d = ProjectCreateRequest('vping', 'vping-ssh test')
-        self.req_e = ProjectCreateRequest('doctor', 'doctor test')
-        self.get_res = Project
-        self.list_res = Projects
-        self.update_res = Project
+        self.req_d = project_models.ProjectCreateRequest('vping',
+                                                         'vping-ssh test')
+        self.req_e = project_models.ProjectCreateRequest('doctor',
+                                                         'doctor test')
+        self.get_res = project_models.Project
+        self.list_res = project_models.Projects
+        self.update_res = project_models.Project
         self.basePath = '/api/v1/projects'
 
     def assert_body(self, project, req=None):
@@ -37,41 +37,41 @@ class TestProjectBase(TestBase):
 class TestProjectCreate(TestProjectBase):
     def test_withoutBody(self):
         (code, body) = self.create()
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
 
     def test_emptyName(self):
-        req_empty = ProjectCreateRequest('')
+        req_empty = project_models.ProjectCreateRequest('')
         (code, body) = self.create(req_empty)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('name missing', body)
 
     def test_noneName(self):
-        req_none = ProjectCreateRequest(None)
+        req_none = project_models.ProjectCreateRequest(None)
         (code, body) = self.create(req_none)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('name missing', body)
 
     def test_success(self):
         (code, body) = self.create_d()
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assert_create_body(body)
 
     def test_alreadyExist(self):
         self.create_d()
         (code, body) = self.create_d()
-        self.assertEqual(code, HTTP_FORBIDDEN)
+        self.assertEqual(code, constants.HTTP_FORBIDDEN)
         self.assertIn('already exists', body)
 
 
 class TestProjectGet(TestProjectBase):
     def test_notExist(self):
         code, body = self.get('notExist')
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
 
     def test_getOne(self):
         self.create_d()
         code, body = self.get(self.req_d.name)
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assert_body(body)
 
     def test_list(self):
@@ -88,23 +88,23 @@ class TestProjectGet(TestProjectBase):
 class TestProjectUpdate(TestProjectBase):
     def test_withoutBody(self):
         code, _ = self.update(None, 'noBody')
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
 
     def test_notFound(self):
         code, _ = self.update(self.req_e, 'notFound')
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
 
     def test_newNameExist(self):
         self.create_d()
         self.create_e()
         code, body = self.update(self.req_e, self.req_d.name)
-        self.assertEqual(code, HTTP_FORBIDDEN)
+        self.assertEqual(code, constants.HTTP_FORBIDDEN)
         self.assertIn("already exists", body)
 
     def test_noUpdate(self):
         self.create_d()
         code, body = self.update(self.req_d, self.req_d.name)
-        self.assertEqual(code, HTTP_FORBIDDEN)
+        self.assertEqual(code, constants.HTTP_FORBIDDEN)
         self.assertIn("Nothing to update", body)
 
     def test_success(self):
@@ -112,9 +112,9 @@ class TestProjectUpdate(TestProjectBase):
         code, body = self.get(self.req_d.name)
         _id = body._id
 
-        req = ProjectUpdateRequest('newName', 'new description')
+        req = project_models.ProjectUpdateRequest('newName', 'new description')
         code, body = self.update(req, self.req_d.name)
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assertEqual(_id, body._id)
         self.assert_body(body, req)
 
@@ -126,16 +126,16 @@ class TestProjectUpdate(TestProjectBase):
 class TestProjectDelete(TestProjectBase):
     def test_notFound(self):
         code, body = self.delete('notFound')
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
 
     def test_success(self):
         self.create_d()
         code, body = self.delete(self.req_d.name)
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assertEqual(body, '')
 
         code, body = self.get(self.req_d.name)
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/testapi/opnfv_testapi/tests/unit/test_result.py b/testapi/opnfv_testapi/tests/unit/test_result.py
index 10575a9..2c7268e 100644
--- a/testapi/opnfv_testapi/tests/unit/test_result.py
+++ b/testapi/opnfv_testapi/tests/unit/test_result.py
@@ -7,17 +7,15 @@
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
 import copy
-import unittest
 from datetime import datetime, timedelta
+import unittest
 
-from opnfv_testapi.common.constants import HTTP_OK, HTTP_BAD_REQUEST, \
-    HTTP_NOT_FOUND
-from opnfv_testapi.resources.pod_models import PodCreateRequest
-from opnfv_testapi.resources.project_models import ProjectCreateRequest
-from opnfv_testapi.resources.result_models import ResultCreateRequest, \
-    TestResult, TestResults, ResultUpdateRequest, TI, TIHistory
-from opnfv_testapi.resources.testcase_models import TestcaseCreateRequest
-from test_base import TestBase
+from opnfv_testapi.common import constants
+from opnfv_testapi.resources import pod_models
+from opnfv_testapi.resources import project_models
+from opnfv_testapi.resources import result_models
+from opnfv_testapi.resources import testcase_models
+import test_base as base
 
 
 class Details(object):
@@ -49,7 +47,7 @@ class Details(object):
         return t
 
 
-class TestResultBase(TestBase):
+class TestResultBase(base.TestBase):
     def setUp(self):
         self.pod = 'zte-pod1'
         self.project = 'functest'
@@ -59,34 +57,41 @@ class TestResultBase(TestBase):
         self.build_tag = 'v3.0'
         self.scenario = 'odl-l2'
         self.criteria = 'passed'
-        self.trust_indicator = TI(0.7)
+        self.trust_indicator = result_models.TI(0.7)
         self.start_date = "2016-05-23 07:16:09.477097"
         self.stop_date = "2016-05-23 07:16:19.477097"
         self.update_date = "2016-05-24 07:16:19.477097"
         self.update_step = -0.05
         super(TestResultBase, self).setUp()
         self.details = Details(timestart='0', duration='9s', status='OK')
-        self.req_d = ResultCreateRequest(pod_name=self.pod,
-                                         project_name=self.project,
-                                         case_name=self.case,
-                                         installer=self.installer,
-                                         version=self.version,
-                                         start_date=self.start_date,
-                                         stop_date=self.stop_date,
-                                         details=self.details.format(),
-                                         build_tag=self.build_tag,
-                                         scenario=self.scenario,
-                                         criteria=self.criteria,
-                                         trust_indicator=self.trust_indicator)
-        self.get_res = TestResult
-        self.list_res = TestResults
-        self.update_res = TestResult
+        self.req_d = result_models.ResultCreateRequest(
+            pod_name=self.pod,
+            project_name=self.project,
+            case_name=self.case,
+            installer=self.installer,
+            version=self.version,
+            start_date=self.start_date,
+            stop_date=self.stop_date,
+            details=self.details.format(),
+            build_tag=self.build_tag,
+            scenario=self.scenario,
+            criteria=self.criteria,
+            trust_indicator=self.trust_indicator)
+        self.get_res = result_models.TestResult
+        self.list_res = result_models.TestResults
+        self.update_res = result_models.TestResult
         self.basePath = '/api/v1/results'
-        self.req_pod = PodCreateRequest(self.pod, 'metal', 'zte pod 1')
-        self.req_project = ProjectCreateRequest(self.project, 'vping test')
-        self.req_testcase = TestcaseCreateRequest(self.case,
-                                                  '/cases/vping',
-                                                  'vping-ssh test')
+        self.req_pod = pod_models.PodCreateRequest(
+            self.pod,
+            'metal',
+            'zte pod 1')
+        self.req_project = project_models.ProjectCreateRequest(
+            self.project,
+            'vping test')
+        self.req_testcase = testcase_models.TestcaseCreateRequest(
+            self.case,
+            '/cases/vping',
+            'vping-ssh test')
         self.create_help('/api/v1/pods', self.req_pod)
         self.create_help('/api/v1/projects', self.req_project)
         self.create_help('/api/v1/projects/%s/cases',
@@ -94,7 +99,7 @@ class TestResultBase(TestBase):
                          self.project)
 
     def assert_res(self, code, result, req=None):
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         if req is None:
             req = self.req_d
         self.assertEqual(result.pod_name, req.pod_name)
@@ -129,78 +134,78 @@ class TestResultBase(TestBase):
 class TestResultCreate(TestResultBase):
     def test_nobody(self):
         (code, body) = self.create(None)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('no body', body)
 
     def test_podNotProvided(self):
         req = self.req_d
         req.pod_name = None
         (code, body) = self.create(req)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('pod_name missing', body)
 
     def test_projectNotProvided(self):
         req = self.req_d
         req.project_name = None
         (code, body) = self.create(req)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('project_name missing', body)
 
     def test_testcaseNotProvided(self):
         req = self.req_d
         req.case_name = None
         (code, body) = self.create(req)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('case_name missing', body)
 
     def test_noPod(self):
         req = self.req_d
         req.pod_name = 'notExistPod'
         (code, body) = self.create(req)
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
         self.assertIn('Could not find pod', body)
 
     def test_noProject(self):
         req = self.req_d
         req.project_name = 'notExistProject'
         (code, body) = self.create(req)
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
         self.assertIn('Could not find project', body)
 
     def test_noTestcase(self):
         req = self.req_d
         req.case_name = 'notExistTestcase'
         (code, body) = self.create(req)
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
         self.assertIn('Could not find testcase', body)
 
     def test_success(self):
         (code, body) = self.create_d()
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assert_href(body)
 
     def test_key_with_doc(self):
         req = copy.deepcopy(self.req_d)
         req.details = {'1.name': 'dot_name'}
         (code, body) = self.create(req)
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assert_href(body)
 
     def test_no_ti(self):
-        req = ResultCreateRequest(pod_name=self.pod,
-                                  project_name=self.project,
-                                  case_name=self.case,
-                                  installer=self.installer,
-                                  version=self.version,
-                                  start_date=self.start_date,
-                                  stop_date=self.stop_date,
-                                  details=self.details.format(),
-                                  build_tag=self.build_tag,
-                                  scenario=self.scenario,
-                                  criteria=self.criteria)
+        req = result_models.ResultCreateRequest(pod_name=self.pod,
+                                                project_name=self.project,
+                                                case_name=self.case,
+                                                installer=self.installer,
+                                                version=self.version,
+                                                start_date=self.start_date,
+                                                stop_date=self.stop_date,
+                                                details=self.details.format(),
+                                                build_tag=self.build_tag,
+                                                scenario=self.scenario,
+                                                criteria=self.criteria)
         (code, res) = self.create(req)
         _id = res.href.split('/')[-1]
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         code, body = self.get(_id)
         self.assert_res(code, body, req)
 
@@ -240,7 +245,7 @@ class TestResultGet(TestResultBase):
 
     def test_queryPeriodNotInt(self):
         code, body = self.query(self._set_query('period=a'))
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('period must be int', body)
 
     def test_queryPeriodFail(self):
@@ -253,7 +258,7 @@ class TestResultGet(TestResultBase):
 
     def test_queryLastNotInt(self):
         code, body = self.query(self._set_query('last=a'))
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('last must be int', body)
 
     def test_queryLast(self):
@@ -292,7 +297,7 @@ class TestResultGet(TestResultBase):
             req = self._create_changed_date(**kwargs)
         code, body = self.query(query)
         if not found:
-            self.assertEqual(code, HTTP_OK)
+            self.assertEqual(code, constants.HTTP_OK)
             self.assertEqual(0, len(body.results))
         else:
             self.assertEqual(1, len(body.results))
@@ -326,10 +331,11 @@ class TestResultUpdate(TestResultBase):
 
         new_ti = copy.deepcopy(self.trust_indicator)
         new_ti.current += self.update_step
-        new_ti.histories.append(TIHistory(self.update_date, self.update_step))
+        new_ti.histories.append(
+            result_models.TIHistory(self.update_date, self.update_step))
         new_data = copy.deepcopy(self.req_d)
         new_data.trust_indicator = new_ti
-        update = ResultUpdateRequest(trust_indicator=new_ti)
+        update = result_models.ResultUpdateRequest(trust_indicator=new_ti)
         code, body = self.update(update, _id)
         self.assertEqual(_id, body._id)
         self.assert_res(code, body, new_data)
diff --git a/testapi/opnfv_testapi/tests/unit/test_scenario.py b/testapi/opnfv_testapi/tests/unit/test_scenario.py
index 3a0abf9..f604c57 100644
--- a/testapi/opnfv_testapi/tests/unit/test_scenario.py
+++ b/testapi/opnfv_testapi/tests/unit/test_scenario.py
@@ -5,10 +5,10 @@ import os
 
 from opnfv_testapi.common import constants
 import opnfv_testapi.resources.scenario_models as models
-from test_testcase import TestBase
+import test_base as base
 
 
-class TestScenarioBase(TestBase):
+class TestScenarioBase(base.TestBase):
     def setUp(self):
         super(TestScenarioBase, self).setUp()
         self.get_res = models.Scenario
diff --git a/testapi/opnfv_testapi/tests/unit/test_testcase.py b/testapi/opnfv_testapi/tests/unit/test_testcase.py
index cb76784..c0494db 100644
--- a/testapi/opnfv_testapi/tests/unit/test_testcase.py
+++ b/testapi/opnfv_testapi/tests/unit/test_testcase.py
@@ -6,35 +6,33 @@
 # which accompanies this distribution, and is available at
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
-import unittest
 import copy
+import unittest
 
-from test_base import TestBase
-from opnfv_testapi.resources.testcase_models import TestcaseCreateRequest, \
-    Testcase, Testcases, TestcaseUpdateRequest
-from opnfv_testapi.resources.project_models import ProjectCreateRequest
-from opnfv_testapi.common.constants import HTTP_OK, HTTP_BAD_REQUEST, \
-    HTTP_FORBIDDEN, HTTP_NOT_FOUND
+from opnfv_testapi.common import constants
+from opnfv_testapi.resources import project_models
+from opnfv_testapi.resources import testcase_models
+import test_base as base
 
 
-class TestCaseBase(TestBase):
+class TestCaseBase(base.TestBase):
     def setUp(self):
         super(TestCaseBase, self).setUp()
-        self.req_d = TestcaseCreateRequest('vping_1',
-                                           '/cases/vping_1',
-                                           'vping-ssh test')
-        self.req_e = TestcaseCreateRequest('doctor_1',
-                                           '/cases/doctor_1',
-                                           'create doctor')
-        self.update_d = TestcaseUpdateRequest('vping_1',
-                                              'vping-ssh test',
-                                              'functest')
-        self.update_e = TestcaseUpdateRequest('doctor_1',
-                                              'create doctor',
-                                              'functest')
-        self.get_res = Testcase
-        self.list_res = Testcases
-        self.update_res = Testcase
+        self.req_d = testcase_models.TestcaseCreateRequest('vping_1',
+                                                           '/cases/vping_1',
+                                                           'vping-ssh test')
+        self.req_e = testcase_models.TestcaseCreateRequest('doctor_1',
+                                                           '/cases/doctor_1',
+                                                           'create doctor')
+        self.update_d = testcase_models.TestcaseUpdateRequest('vping_1',
+                                                              'vping-ssh test',
+                                                              'functest')
+        self.update_e = testcase_models.TestcaseUpdateRequest('doctor_1',
+                                                              'create doctor',
+                                                              'functest')
+        self.get_res = testcase_models.Testcase
+        self.list_res = testcase_models.Testcases
+        self.update_res = testcase_models.Testcase
         self.basePath = '/api/v1/projects/%s/cases'
         self.create_project()
 
@@ -57,7 +55,8 @@ class TestCaseBase(TestBase):
         self.assertIsNotNone(new.creation_date)
 
     def create_project(self):
-        req_p = ProjectCreateRequest('functest', 'vping-ssh test')
+        req_p = project_models.ProjectCreateRequest('functest',
+                                                    'vping-ssh test')
         self.create_help('/api/v1/projects', req_p)
         self.project = req_p.name
 
@@ -80,46 +79,46 @@ class TestCaseBase(TestBase):
 class TestCaseCreate(TestCaseBase):
     def test_noBody(self):
         (code, body) = self.create(None, 'vping')
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
 
     def test_noProject(self):
         code, body = self.create(self.req_d, 'noProject')
-        self.assertEqual(code, HTTP_FORBIDDEN)
+        self.assertEqual(code, constants.HTTP_FORBIDDEN)
         self.assertIn('Could not find project', body)
 
     def test_emptyName(self):
-        req_empty = TestcaseCreateRequest('')
+        req_empty = testcase_models.TestcaseCreateRequest('')
         (code, body) = self.create(req_empty, self.project)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('name missing', body)
 
     def test_noneName(self):
-        req_none = TestcaseCreateRequest(None)
+        req_none = testcase_models.TestcaseCreateRequest(None)
         (code, body) = self.create(req_none, self.project)
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
         self.assertIn('name missing', body)
 
     def test_success(self):
         code, body = self.create_d()
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assert_create_body(body, None, self.project)
 
     def test_alreadyExist(self):
         self.create_d()
         code, body = self.create_d()
-        self.assertEqual(code, HTTP_FORBIDDEN)
+        self.assertEqual(code, constants.HTTP_FORBIDDEN)
         self.assertIn('already exists', body)
 
 
 class TestCaseGet(TestCaseBase):
     def test_notExist(self):
         code, body = self.get('notExist')
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
 
     def test_getOne(self):
         self.create_d()
         code, body = self.get(self.req_d.name)
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assert_body(body)
 
     def test_list(self):
@@ -136,23 +135,23 @@ class TestCaseGet(TestCaseBase):
 class TestCaseUpdate(TestCaseBase):
     def test_noBody(self):
         code, _ = self.update(case='noBody')
-        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertEqual(code, constants.HTTP_BAD_REQUEST)
 
     def test_notFound(self):
         code, _ = self.update(self.update_e, 'notFound')
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
 
     def test_newNameExist(self):
         self.create_d()
         self.create_e()
         code, body = self.update(self.update_e, self.req_d.name)
-        self.assertEqual(code, HTTP_FORBIDDEN)
+        self.assertEqual(code, constants.HTTP_FORBIDDEN)
         self.assertIn("already exists", body)
 
     def test_noUpdate(self):
         self.create_d()
         code, body = self.update(self.update_d, self.req_d.name)
-        self.assertEqual(code, HTTP_FORBIDDEN)
+        self.assertEqual(code, constants.HTTP_FORBIDDEN)
         self.assertIn("Nothing to update", body)
 
     def test_success(self):
@@ -161,7 +160,7 @@ class TestCaseUpdate(TestCaseBase):
         _id = body._id
 
         code, body = self.update(self.update_e, self.req_d.name)
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assertEqual(_id, body._id)
         self.assert_update_body(self.req_d, body, self.update_e)
 
@@ -174,22 +173,22 @@ class TestCaseUpdate(TestCaseBase):
         update = copy.deepcopy(self.update_d)
         update.description = {'2. change': 'dollar change'}
         code, body = self.update(update, self.req_d.name)
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
 
 
 class TestCaseDelete(TestCaseBase):
     def test_notFound(self):
         code, body = self.delete('notFound')
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
 
     def test_success(self):
         self.create_d()
         code, body = self.delete(self.req_d.name)
-        self.assertEqual(code, HTTP_OK)
+        self.assertEqual(code, constants.HTTP_OK)
         self.assertEqual(body, '')
 
         code, body = self.get(self.req_d.name)
-        self.assertEqual(code, HTTP_NOT_FOUND)
+        self.assertEqual(code, constants.HTTP_NOT_FOUND)
 
 
 if __name__ == '__main__':
diff --git a/testapi/opnfv_testapi/tests/unit/test_version.py b/testapi/opnfv_testapi/tests/unit/test_version.py
index b6fbf45..c8f3f50 100644
--- a/testapi/opnfv_testapi/tests/unit/test_version.py
+++ b/testapi/opnfv_testapi/tests/unit/test_version.py
@@ -8,14 +8,14 @@
 ##############################################################################
 import unittest
 
-from test_base import TestBase
-from opnfv_testapi.resources.models import Versions
+from opnfv_testapi.resources import models
+import test_base as base
 
 
-class TestVersionBase(TestBase):
+class TestVersionBase(base.TestBase):
     def setUp(self):
         super(TestVersionBase, self).setUp()
-        self.list_res = Versions
+        self.list_res = models.Versions
         self.basePath = '/versions'