add unittest for 'last' query of results in testAPI

add 'last' related unittest in test_result.py
implement sort()&limit() in fake_pymongo.py
refactor 'sort' model in result_handlers.py

JIRA: FUNCTEST-296
Change-Id: Ib5371f1df67f170e3ba26c6da27a651e34f2b0d6
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

2 files changed, 45 insertions, 15 deletions

diff --git a/result_collection_api/opnfv_testapi/tests/unit/fake_pymongo.py b/result_collection_api/opnfv_testapi/tests/unit/fake_pymongo.py
index 9b4d120..ef9c719 100644
--- a/result_collection_api/opnfv_testapi/tests/unit/fake_pymongo.py
+++ b/result_collection_api/opnfv_testapi/tests/unit/fake_pymongo.py
@@ -8,6 +8,7 @@
 ##############################################################################
 from bson.objectid import ObjectId
 from concurrent.futures import ThreadPoolExecutor
+from operator import itemgetter
 
 
 def thread_execute(method, *args, **kwargs):
@@ -20,6 +21,7 @@ class MemCursor(object):
     def __init__(self, collection):
         self.collection = collection
         self.count = len(self.collection)
+        self.sorted = []
 
     def _is_next_exist(self):
         return self.count != 0
@@ -32,10 +34,22 @@ class MemCursor(object):
         self.count -= 1
         return self.collection.pop()
 
-    def sort(self, key_or_list, direction=None):
+    def sort(self, key_or_list):
+        key = key_or_list[0][0]
+        if key_or_list[0][1] == -1:
+            reverse = True
+        else:
+            reverse = False
+
+        if key_or_list is not None:
+            self.collection = sorted(self.collection,
+                                     key=itemgetter(key), reverse=reverse)
         return self
 
     def limit(self, limit):
+        if limit != 0 and limit < len(self.collection):
+            self.collection = self.collection[0:limit]
+            self.count = limit
         return self
 
 
diff --git a/result_collection_api/opnfv_testapi/tests/unit/test_result.py b/result_collection_api/opnfv_testapi/tests/unit/test_result.py
index 5a5dd38..dbc4431 100644
--- a/result_collection_api/opnfv_testapi/tests/unit/test_result.py
+++ b/result_collection_api/opnfv_testapi/tests/unit/test_result.py
@@ -196,16 +196,30 @@ class TestResultGet(TestResultBase):
     def test_queryCriteria(self):
         self._query_and_assert(self._set_query('criteria'))
 
+    def test_queryPeriodNotInt(self):
+        code, body = self.query(self._set_query('period=a'))
+        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertIn('period must be int', body)
+
     def test_queryPeriodFail(self):
         self._query_and_assert(self._set_query('period=1'),
-                               aheadof=True,
-                               found=False)
+                               found=False, days=-10)
 
     def test_queryPeriodSuccess(self):
         self._query_and_assert(self._set_query('period=1'),
-                               aheadof=False,
                                found=True)
 
+    def test_queryLastNotInt(self):
+        code, body = self.query(self._set_query('last=a'))
+        self.assertEqual(code, HTTP_BAD_REQUEST)
+        self.assertIn('last must be int', body)
+
+    def test_queryLast(self):
+        self._create_changed_date()
+        req = self._create_changed_date(minutes=20)
+        self._create_changed_date(minutes=-20)
+        self._query_and_assert(self._set_query('last=1'), req=req)
+
     def test_combination(self):
         self._query_and_assert(self._set_query('pod',
                                                'project',
@@ -231,17 +245,9 @@ class TestResultGet(TestResultBase):
                                                'period=1'),
                                found=False)
 
-    def _query_and_assert(self, query, aheadof=False, found=True):
-        import copy
-        from datetime import datetime, timedelta
-        req = copy.deepcopy(self.req_d)
-        if aheadof:
-            req.start_date = datetime.now() - timedelta(days=10)
-        else:
-            req.start_date = datetime.now()
-        req.stop_date = str(req.start_date + timedelta(minutes=10))
-        req.start_date = str(req.start_date)
-        _, res = self.create(req)
+    def _query_and_assert(self, query, found=True, req=None, **kwargs):
+        if req is None:
+            req = self._create_changed_date(**kwargs)
         code, body = self.query(query)
         if not found:
             self.assertEqual(code, HTTP_OK)
@@ -251,6 +257,16 @@ class TestResultGet(TestResultBase):
             for result in body.results:
                 self.assert_res(code, result, req)
 
+    def _create_changed_date(self, **kwargs):
+        import copy
+        from datetime import datetime, timedelta
+        req = copy.deepcopy(self.req_d)
+        req.start_date = datetime.now() + timedelta(**kwargs)
+        req.stop_date = str(req.start_date + timedelta(minutes=10))
+        req.start_date = str(req.start_date)
+        self.create(req)
+        return req
+
     def _set_query(self, *args):
         uri = ''
         for arg in args: