Fix for update. Added tests. closes gh-38

Author: bigbes

.gitignore

@@ -6,3 +6,4 @@
 /MANIFEST
 *.snap
 sophia
+*.egg-info

tarantool/connection.py

@@ -208,7 +208,7 @@ def check():  # Check that connection is alive
 
         last_errno = check()
         if self.connected and last_errno == errno.EAGAIN:
-            return 
+            return
 
         attempt = 0
         last_errno = 0
@@ -352,6 +352,8 @@ def update(self, space_name, key, op_list, **kwargs):
 
         :param space_name: space number or name to update a record
         :type space_name: int or str
+        :param index: index number or name to update a record
+        :type index: int or str
         :param key: key that identifies a record
         :type key: int or str
         :param op_list: list of operations. Each operation
@@ -361,7 +363,7 @@ def update(self, space_name, key, op_list, **kwargs):
 
         :rtype: `Response` instance
         '''
-        index = kwargs.get("index", 0)
+        index_name = kwargs.get("index", 0)
 
         key = check_key(key)
         if isinstance(space_name, basestring):

tests/suites/test_dml.py

@@ -116,7 +116,18 @@ def test_05_ping(self):
         self.assertEqual(self.con.ping(notime=True), "Success")
 
     def test_06_update(self):
-        pass
+        self.assertEqual(self.con.update('space_1', (2,), [('+', 1, 3)]),
+                [(2, 5, 'tuple_3')])
+        self.assertEqual(self.con.update('space_1', (2,), [('-', 1, 3)]),
+                [(2, 2, 'tuple_3')])
+        self.assertEqual(self.con.update('space_1', (2,), [(':', 2, 3, 2, 'lalal')]),
+                [(2, 2, 'tuplalal_3')])
+        self.assertEqual(self.con.update('space_1', (2,), [('!', 2, '1')]),
+                [(2, 2, '1', 'tuplalal_3')])
+        self.assertEqual(self.con.update('space_1', (2,), [('!', 2, 'oingo, boingo')]),
+                [(2, 2, 'oingo, boingo', '1', 'tuplalal_3')])
+        self.assertEqual(self.con.update('space_1', (2,), [('#', 2, 2)]),
+                [(2, 2, 'tuplalal_3')])
 
     def test_07_call(self):
         self.assertEqual(self.con.call('json.decode', '[123, 234, 345]'), [(123, 234, 345)])