add tests that should retry for other classes of error

Author: mambocab

tests/unit/io/utils.py

@@ -25,9 +25,11 @@
 from mock import Mock
 
 import errno
+import logging
 import math
 import os
 from socket import error as socket_error
+import ssl
 
 try:
     import unittest2 as unittest
@@ -37,6 +39,9 @@
 import time
 
 
+log = logging.getLogger(__name__)
+
+
 class TimerCallback(object):
 
     invoked = False
@@ -247,18 +252,31 @@ def test_successful_connection(self):
         return c
 
     def test_eagain_on_buffer_size(self):
+        self._check_error_recovery_on_buffer_size(errno.EAGAIN)
+
+    def test_ewouldblock_on_buffer_size(self):
+        self._check_error_recovery_on_buffer_size(errno.EWOULDBLOCK)
+
+    def test_sslwantread_on_buffer_size(self):
+        self._check_error_recovery_on_buffer_size(ssl.SSL_ERROR_WANT_READ)
+
+    def test_sslwantwrite_on_buffer_size(self):
+        self._check_error_recovery_on_buffer_size(ssl.SSL_ERROR_WANT_WRITE)
+
+    def _check_error_recovery_on_buffer_size(self, error_code):
         c = self.test_successful_connection()
 
         header = six.b('\x00\x00\x00\x00') + int32_pack(20000)
         responses = [
             header + (six.b('a') * (4096 - len(header))),
             six.b('a') * 4096,
-            socket_error(errno.EAGAIN),
+            socket_error(error_code),
             six.b('a') * 100,
-            socket_error(errno.EAGAIN)]
+            socket_error(error_code)]
 
         def side_effect(*args):
             response = responses.pop(0)
+            log.debug('about to mock return {}'.format(response))
             if isinstance(response, socket_error):
                 raise response
             else: