diff --git a/msal/oauth2cli/oauth2.py b/msal/oauth2cli/oauth2.py
index 9a947390..404f75d3 100644
--- a/msal/oauth2cli/oauth2.py
+++ b/msal/oauth2cli/oauth2.py
@@ -16,6 +16,7 @@
 
 
 string_types = (str,) if sys.version_info[0] >= 3 else (basestring, )
+DAE = "device_authorization_endpoint"
 
 
 class BaseClient(object):
@@ -148,11 +149,8 @@ def _obtain_token(  # The verb "obtain" is influenced by OAUTH2 RFC 6749
             raise ValueError("token_endpoint not found in configuration")
         _headers = {'Accept': 'application/json'}
         _headers.update(headers or {})
-        resp = (post or self.session.post)(
-            self.configuration["token_endpoint"],
-            headers=_headers, params=params, data=_data, auth=auth,
-            timeout=timeout or self.timeout,
-            **kwargs)
+        resp = self.send_obtain_token(headers=_headers, params=params, data=_data,
+                                      auth=auth, timeout=timeout or self.timeout, post=post, **kwargs)
         if resp.status_code >= 500:
             resp.raise_for_status()  # TODO: Will probably retry here
         try:
@@ -165,6 +163,13 @@ def _obtain_token(  # The verb "obtain" is influenced by OAUTH2 RFC 6749
                     "Token response is not in json format: %s", resp.text)
             raise
 
+    def send_obtain_token(self, headers, params, data, auth, timeout, post, **kwargs):
+        return (post or self.session.post)(
+            self.configuration["token_endpoint"],
+            headers=headers, params=params, data=data, auth=auth,
+            timeout=timeout, **kwargs
+        )
+
     def obtain_token_by_refresh_token(self, refresh_token, scope=None, **kwargs):
         # type: (str, Union[str, list, set, tuple]) -> dict
         """Obtain an access token via a refresh token.
@@ -215,18 +220,29 @@ def initiate_device_flow(self, scope=None, timeout=None, **kwargs):
         And possibly here
         https://tools.ietf.org/html/draft-ietf-oauth-device-flow-12#section-3.3.1
         """
-        DAE = "device_authorization_endpoint"
         if not self.configuration.get(DAE):
             raise ValueError("You need to provide device authorization endpoint")
-        flow = self.session.post(self.configuration[DAE],
-            data={"client_id": self.client_id, "scope": self._stringify(scope or [])},
-            timeout=timeout or self.timeout,
-            **kwargs).json()
+        flow = self.get_dae_json(
+            self.send_dae_request(
+                data={"client_id": self.client_id, "scope": self._stringify(scope or [])},
+                timeout=timeout or self.timeout,
+                **kwargs
+            )
+        )
         flow["interval"] = int(flow.get("interval", 5))  # Some IdP returns string
         flow["expires_in"] = int(flow.get("expires_in", 1800))
         flow["expires_at"] = time.time() + flow["expires_in"]  # We invent this
         return flow
 
+    def send_dae_request(self, data, timeout, **kwargs):
+        return self.session.post(self.configuration[DAE],
+                                 data=data,
+                                 timeout=timeout,
+                                 **kwargs)
+
+    def get_dae_json(self, resp):
+        return resp.json()
+
     def _obtain_token_by_device_flow(self, flow, **kwargs):
         # type: (dict, **dict) -> dict
         # This method updates flow during each run. And it is non-blocking.