diff --git a/refstack/tests/api/test_api.py b/refstack/tests/api/test_api.py
index 5b0b2ca1..af1b7a23 100644
--- a/refstack/tests/api/test_api.py
+++ b/refstack/tests/api/test_api.py
@@ -12,34 +12,94 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
+
+"""Functional tests for refstack's API."""
+
 import json
 import uuid
 
+import six
+import webtest.app
+
+from refstack.common import validators
 from refstack.tests import api
 
+FAKE_TESTS_RESULT = {
+    'cpid': 'foo',
+    'duration_seconds': 10,
+    'results': [
+        {'name': 'tempest.foo.bar'},
+        {'name': 'tempest.buzz',
+         'uid': '42'}
+    ]
+}
 
-class TestRefStackApi(api.FunctionalTest):
+
+class TestRootController(api.FunctionalTest):
+    """Test case for RootController."""
+
+    URL = '/'
 
     def test_root_controller(self):
         """Test request to root."""
-        actual_response = self.get_json('/')
+        actual_response = self.get_json(self.URL)
         expected_response = {'Root': 'OK'}
         self.assertEqual(expected_response, actual_response)
 
-    def test_results_controller(self):
-        """Test results endpoint."""
-        results = json.dumps({
-            'cpid': 'foo',
-            'duration_seconds': 10,
-            'results': [
-                {'name': 'tempest.foo.bar'},
-                {'name': 'tempest.buzz',
-                 'uid': '42'}
-            ]
-        })
-        actual_response = self.post_json('/v1/results/', params=results)
+
+class TestResultsController(api.FunctionalTest):
+    """Test case for ResultsController."""
+
+    URL = '/v1/results/'
+
+    def test_post(self):
+        """Test results endpoint with post request."""
+        results = json.dumps(FAKE_TESTS_RESULT)
+        actual_response = self.post_json(self.URL, params=results)
         self.assertIn('test_id', actual_response)
         try:
             uuid.UUID(actual_response.get('test_id'), version=4)
         except ValueError:
-            self.fail("actual_response doesn't contain test_is")
+            self.fail("actual_response doesn't contain test_id")
+
+    def test_post_with_invalid_schema(self):
+        """Test post request with invalid schema."""
+        results = json.dumps({
+            'foo': 'bar',
+            'duration_seconds': 999,
+        })
+        self.assertRaises(webtest.app.AppError,
+                          self.post_json,
+                          self.URL,
+                          params=results)
+
+    def test_get_one(self):
+        """Test get request."""
+        results = json.dumps(FAKE_TESTS_RESULT)
+        post_response = self.post_json(self.URL, params=results)
+        get_response = self.get_json(self.URL + post_response.get('test_id'))
+        self.assertEqual(FAKE_TESTS_RESULT['cpid'],
+                         get_response['cpid'])
+        self.assertEqual(FAKE_TESTS_RESULT['duration_seconds'],
+                         get_response['duration_seconds'])
+        for test in FAKE_TESTS_RESULT['results']:
+            self.assertIn(test['name'], get_response['results'])
+
+    def test_get_one_with_nonexistent_uuid(self):
+        """Test get request with nonexistent uuid."""
+        self.assertRaises(webtest.app.AppError,
+                          self.get_json,
+                          self.URL + six.text_type(uuid.uuid4()))
+
+    def test_get_one_schema(self):
+        """Test get request for getting JSON schema."""
+        validator = validators.TestResultValidator()
+        expected_schema = validator.schema
+        actual_schema = self.get_json(self.URL + 'schema')
+        self.assertEqual(actual_schema, expected_schema)
+
+    def test_get_one_invalid_url(self):
+        """Test get request with invalid url."""
+        self.assertRaises(webtest.app.AppError,
+                          self.get_json,
+                          self.URL + 'fake_url')
diff --git a/test-requirements.txt b/test-requirements.txt
index 477c08bd..f79db9af 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,3 +6,4 @@ python-subunit>=0.0.18
 testrepository>=0.0.18
 testtools>=0.9.34
 mysqlclient
+six>=1.7.0