Added token override test

Author: Roach

slackclient/server.py

@@ -149,7 +149,7 @@ def send_to_websocket(self, data):
 
         """
         try:
-            data = json.dumps(data)
+            data = json.dumps(data, ensure_ascii=False)
             self.websocket.send(data)
         except Exception:
             self.rtm_connect(reconnect=True)
@@ -260,7 +260,7 @@ def api_call(self, method, timeout=None, **kwargs):
         response = self.api_requester.do(self.token, method, kwargs, timeout=timeout)
         response_json = json.loads(response.text)
         response_json["headers"] = dict(response.headers)
-        return json.dumps(response_json)
+        return json.dumps(response_json, ensure_ascii=False)
 
 # TODO: Move the error types defined below into the .exceptions namespace. This would be a semver
 # major change because any clients already referencing these types in order to catch them

tests/test_slackrequest.py

@@ -41,6 +41,20 @@ def test_auth_header(mocker):
 
     assert "Bearer xoxb-123" in kwargs['headers']['Authorization']
 
+def test_token_override(mocker):
+    requests = mocker.patch('slackclient.slackrequest.requests')
+    request = SlackRequest()
+
+    request.do('xoxb-123', 'chat.postMessage',
+               {
+                   'token': "newtoken",
+                   'text': 'test',
+                   'channel': '#general'
+                })
+    args, kwargs = requests.post.call_args
+
+    assert "Bearer newtoken" in kwargs['headers']['Authorization']
+
 
 def test_plural_field(mocker):
     requests = mocker.patch('slackclient.slackrequest.requests')