Fix a few tests with really old mongos versions.

Author: behackett

test/test_bulk.py

@@ -892,10 +892,13 @@ def setUp(self):
         ismaster = client.test.command('ismaster')
         self.is_repl = bool(ismaster.get('setName'))
         self.w = len(ismaster.get("hosts", []))
+        self.client = client
         self.coll = client.pymongo_test.test
         self.coll.remove()
 
     def test_fsync_and_j(self):
+        if not version.at_least(self.client, (1, 8, 2)):
+            raise SkipTest("Need at least MongoDB 1.8.2")
         batch = self.coll.initialize_ordered_bulk_op()
         batch.insert({'a': 1})
         self.assertRaises(

test/test_collection.py

@@ -1307,8 +1307,9 @@ def test_last_error_options(self):
                 self.fail("WTimeoutError was not raised")
 
         # can't use fsync and j options together
-        self.assertRaises(OperationFailure, self.db.test.insert,
-                          {"_id": 1}, j=True, fsync=True)
+        if version.at_least(self.client, (1, 8, 2)):
+            self.assertRaises(OperationFailure, self.db.test.insert,
+                              {"_id": 1}, j=True, fsync=True)
 
     def test_manual_last_error(self):
         self.db.test.save({"x": 1}, w=0)

test/test_database.py

@@ -932,8 +932,8 @@ def test_command_read_pref_warning(self):
             self.assertRaises(UserWarning, self.client.pymongo_test.command,
                               'ping', read_preference=ReadPreference.SECONDARY)
             try:
-                self.client.pymongo_test.command(
-                    'dbStats', read_preference=ReadPreference.SECONDARY)
+                self.client.pymongo_test.command('dbStats',
+                    read_preference=ReadPreference.SECONDARY_PREFERRED)
             except UserWarning:
                 self.fail("Shouldn't have raised UserWarning.")