Fixed execution create method

* Fixed passing 'params' and 'input' parameters to API

Change-Id: Ic28e4a727f2fc2f454c02ed03ff17a7da00eb0d1

mistralclient/api/v2/executions.py

@@ -12,6 +12,8 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
+import json
+
 from mistralclient.api import base
 
 
@@ -28,9 +30,10 @@ class ExecutionManager(base.ResourceManager):
         data = {'workflow_name': workflow_name}
 
         if workflow_input:
-            data.update({'workflow_input': workflow_input})
+            data.update({'input': json.dumps(workflow_input)})
 
-        data.update(params)
+        if params:
+            data.update({'params': json.dumps(params)})
 
         return self._create('/executions', data)
 

mistralclient/tests/unit/v2/test_executions.py

@@ -24,14 +24,12 @@ EXEC = {
     'id': "123",
     'workflow_name': 'my_wf',
     'state': 'RUNNING',
-    'workflow_input': """
+    'input': {
-        {
+        "person": {
-            "person": {
+            "first_name": "John",
-                "first_name": "John",
+            "last_name": "Doe"
-                "last_name": "Doe"
-            }
         }
-    """
+    }
 }
 
 
@@ -44,11 +42,11 @@ class TestExecutionsV2(base.BaseClientV2Test):
         mock = self.mock_http_post(content=EXEC)
         body = {
             'workflow_name': EXEC['workflow_name'],
-            'workflow_input': EXEC['workflow_input'],
+            'input': json.dumps(EXEC['input']),
         }
 
         ex = self.executions.create(EXEC['workflow_name'],
-                                    EXEC['workflow_input'])
+                                    EXEC['input'])
 
         self.assertIsNotNone(ex)
         self.assertEqual(executions.Execution(self.executions, EXEC).__dict__,