Add a test for iterate and fix it.

airtable/airtable.py

@@ -20,7 +20,7 @@ def check_integer(n):
     if not n:
         return False
     elif not isinstance(n, six.integer_types):
-        raise IsNotInteger('Expected an integer')
+        raise IsNotInteger('Expected an integer', n)
     else:
         return True
 
@@ -29,7 +29,7 @@ def check_string(s):
     if not s:
         return False
     elif not isinstance(s, six.string_types):
-        raise IsNotString('Expected a string')
+        raise IsNotString('Expected a string', s)
     else:
         return True
 
@@ -144,7 +144,7 @@ def iterate(
             for record in response.pop('records'):
                 yield record
             if 'offset' in response:
-                offset = response['offset'].encode('ascii', 'ignore')
+                offset = response['offset']
             else:
                 break
 

test_airtable.py

@@ -20,6 +20,9 @@ def get(self, *args, **kwargs):
     def delete(self, *args, **kwargs):
         return self.airtable.delete(FAKE_TABLE_NAME, *args, **kwargs)
 
+    def iterate(self, *args, **kwargs):
+        return self.airtable.iterate(FAKE_TABLE_NAME, *args, **kwargs)
+
     def test_build_base_url(self):
         self.assertEqual(self.airtable.base_url,
                          'https://api.airtable.com/v0/app12345')
@@ -192,6 +195,47 @@ def test_invalid_delete(self):
         with self.assertRaises(airtable.IsNotString):
             self.delete(123)
 
+    @mock.patch.object(requests, 'request')
+    def test_iterate(self, mock_request):
+        mock_response1 = mock.MagicMock()
+        mock_response1.status_code = 200
+        mock_response1.json.return_value = {
+            'records': [
+                {
+                    'id': 'reccA6yaHKzw5Zlp0',
+                    'fields': {
+                        'Name': 'John',
+                        'Number': '(987) 654-3210'
+                    }
+                },
+                {
+                    'id': 'reccg3Kke0QvTDW0H',
+                    'fields': {
+                        'Name': 'Nico',
+                        'Number': '(123) 222-1131'
+                    }
+                }
+            ],
+            'offset': 'reccg3Kke0QvTDW0H'
+        }
+        mock_response2 = mock.MagicMock()
+        mock_response2.status_code = 200
+        mock_response2.json.return_value = {
+            'records': [
+                {
+                    'id': 'reccA23fSERw5Zlp0',
+                    'fields': {
+                        'Name': 'Ron',
+                        'Number': '(987) 654-3210'
+                    }
+                },
+            ],
+        }
+        mock_request.side_effect = [mock_response1, mock_response2]
+        results = list(self.iterate())
+        self.assertEqual(
+            ['John', 'Nico', 'Ron'], [r.get('fields', {}).get('Name') for r in results])
+
 
 class TestTableFromBase(TestAirtable):
 
@@ -205,6 +249,9 @@ def get(self, *args, **kwargs):
     def delete(self, *args, **kwargs):
         return self.table.delete(*args, **kwargs)
 
+    def iterate(self, *args, **kwargs):
+        return self.table.iterate(*args, **kwargs)
+
 
 class TestTableFromConfig(TestAirtable):
 
@@ -218,6 +265,9 @@ def get(self, *args, **kwargs):
     def delete(self, *args, **kwargs):
         return self.table.delete(*args, **kwargs)
 
+    def iterate(self, *args, **kwargs):
+        return self.table.iterate(*args, **kwargs)
+
 
 if __name__ == '__main__':
     unittest.main()