Add pagination to device credentials (#300)

* Add pagination params to test

* Add pagination params to device credentials

* Add `include_totals` param

* Remove unnecessary `or None` from per_page param

* Update tests

Co-authored-by: Jim Anderson <jim.anderson@auth0.com>
Co-authored-by: Evan Sims <hello@evansims.com>

auth0/v3/management/device_credentials.py

@@ -34,7 +34,7 @@ def _url(self, id=None):
             return '{}/{}'.format(url, id)
         return url
 
-    def get(self, user_id, client_id, type, fields=None, include_fields=True):
+    def get(self, user_id, client_id, type, fields=None, include_fields=True, page=None, per_page=None, include_totals=False):
         """List device credentials.
 
         Args:
@@ -51,6 +51,14 @@ def get(self, user_id, client_id, type, fields=None, include_fields=True):
             include_fields (bool, optional): True if the fields specified are
                 to be included in the result, False otherwise. Defaults to True.
 
+            page (int, optional): Page index of the results to return. First page is 0.
+
+            per_page (int, optional): Number of results per page.
+
+            include_totals (bool, optional): True to return results inside an object
+                that contains the total result count (True) or as a direct array of
+                results (False, default).
+
         See: https://auth0.com/docs/api/management/v2#!/Device_Credentials/get_device_credentials
         """
 
@@ -60,6 +68,9 @@ def get(self, user_id, client_id, type, fields=None, include_fields=True):
             'user_id': user_id,
             'client_id': client_id,
             'type': type,
+            'page': page,
+            'per_page': per_page,
+            'include_totals': str(include_totals).lower()
         }
         return self.client.get(self._url(), params=params)
 

auth0/v3/test/management/test_device_credentials.py

@@ -16,7 +16,7 @@ def test_get(self, mock_rc):
         mock_instance = mock_rc.return_value
 
         c = DeviceCredentials(domain='domain', token='jwttoken')
-        c.get(user_id='uid', client_id='cid', type='type')
+        c.get(user_id='uid', client_id='cid', type='type', page=0, per_page=20)
 
         args, kwargs = mock_instance.get.call_args
 
@@ -25,7 +25,24 @@ def test_get(self, mock_rc):
                                             'include_fields': 'true',
                                             'user_id': 'uid',
                                             'client_id': 'cid',
-                                            'type': 'type'})
+                                            'type': 'type',
+                                            'page': 0,
+                                            'per_page': 20,
+                                            'include_totals': 'false'})
+
+        c.get(user_id='uid', client_id='cid', type='type', page=5, per_page=50, include_totals=True)
+
+        args, kwargs = mock_instance.get.call_args
+
+        self.assertEqual('https://domain/api/v2/device-credentials', args[0])
+        self.assertEqual(kwargs['params'], {'fields': None,
+                                            'include_fields': 'true',
+                                            'user_id': 'uid',
+                                            'client_id': 'cid',
+                                            'type': 'type',
+                                            'page': 5,
+                                            'per_page': 50,
+                                            'include_totals': 'true'})
 
     @mock.patch('auth0.v3.management.device_credentials.RestClient')
     def test_create(self, mock_rc):