1 files changed, 21 insertions, 18 deletions
diff --git a/jstests/aggregation/mongos_slaveok.js b/jstests/aggregation/mongos_slaveok.js
index c356a0e7dc5..57ce168456e 100644
--- a/jstests/aggregation/mongos_slaveok.js
+++ b/jstests/aggregation/mongos_slaveok.js
@@ -2,39 +2,42 @@
  * Tests aggregate command against mongos with slaveOk. For more tests on read preference,
  * please refer to jstests/sharding/read_pref_cmd.js.
  */
+(function() {
 
 var NODES = 2;
 
 var doTest = function(st, doSharded) {
-var testDB = st.s.getDB('test');
+    var testDB = st.s.getDB('test');
 
-if (doSharded) {
-    testDB.adminCommand({ enableSharding: 'test' });
-    testDB.adminCommand({ shardCollection: 'test.user', key: { x: 1 }});
-}
+    if (doSharded) {
+        testDB.adminCommand({ enableSharding: 'test' });
+        testDB.adminCommand({ shardCollection: 'test.user', key: { x: 1 }});
+    }
 
-testDB.user.insert({ x: 10 }, { writeConcern: { w: NODES }});
-testDB.setSlaveOk(true);
+    testDB.user.insert({ x: 10 }, { writeConcern: { w: NODES }});
+    testDB.setSlaveOk(true);
 
-var secNode = st.rs0.getSecondary();
-secNode.getDB('test').setProfilingLevel(2);
+    var secNode = st.rs0.getSecondary();
+    secNode.getDB('test').setProfilingLevel(2);
 
-// wait for mongos to recognize that the slave is up
-ReplSetTest.awaitRSClientHosts(st.s, secNode, {ok: true });
+    // wait for mongos to recognize that the slave is up
+    ReplSetTest.awaitRSClientHosts(st.s, secNode, {ok: true });
 
-var res = testDB.runCommand({ aggregate: 'user', pipeline: [{ $project: { x: 1 }}]});
-assert(res.ok, 'aggregate command failed: ' + tojson(res));
+    var res = testDB.runCommand({ aggregate: 'user', pipeline: [{ $project: { x: 1 }}]});
+    assert(res.ok, 'aggregate command failed: ' + tojson(res));
 
-var profileQuery = { op: 'command', ns: 'test.user', 'command.aggregate': 'user' };
-var profileDoc = secNode.getDB('test').system.profile.findOne(profileQuery);
+    var profileQuery = { op: 'command', ns: 'test.user', 'command.aggregate': 'user' };
+    var profileDoc = secNode.getDB('test').system.profile.findOne(profileQuery);
 
-assert(profileDoc != null);
-testDB.dropDatabase();
+    assert(profileDoc != null);
+    testDB.dropDatabase();
 };
 
-var st = new ShardingTest({ shards: { rs0: { oplogSize: 10, verbose: 1, nodes: NODES }}});
+var st = new ShardingTest({ shards: { rs0: { oplogSize: 10, verbose: 1, nodes: NODES } } });
 
 doTest(st, false);
 doTest(st, true);
 
 st.stop();
+
+})();