jiajunwang commented on a change in pull request #1295:
URL: https://github.com/apache/helix/pull/1295#discussion_r488401062
##########
File path:
zookeeper-api/src/test/java/org/apache/helix/zookeeper/impl/client/TestRawZkClient.java
##########
@@ -285,18 +285,26 @@ public void testZkClientMonitor()
Assert.assertTrue(beanServer.isRegistered(idealStatename));
Assert.assertEquals((long) beanServer.getAttribute(name,
"DataChangeEventCounter"), 0);
- Assert.assertEquals((long) beanServer.getAttribute(name,
"StateChangeEventCounter"), 0);
+ Assert.assertEquals((long) beanServer.getAttribute(name,
"StateChangeEventCounter"), 1);
Assert.assertEquals((long) beanServer.getAttribute(name,
"ExpiredSessionCounter"), 0);
Assert.assertEquals((long) beanServer.getAttribute(name,
"OutstandingRequestGauge"), 0);
// account for doAsyncSync()
Assert.assertEquals((long) beanServer.getAttribute(name,
"TotalCallbackCounter"), 1);
- // Test exists
- Assert.assertEquals((long) beanServer.getAttribute(rootname,
"ReadCounter"), 0);
- Assert.assertEquals((long) beanServer.getAttribute(rootname,
"ReadTotalLatencyCounter"), 0);
- Assert.assertEquals((long) beanServer.getAttribute(rootname,
"ReadLatencyGauge.Max"), 0);
- zkClient.exists(TEST_ROOT);
+ // Note, we need to wait here for the reason that doAsyncSync() blocks
only the zkClient event thread. The main
+ // thread of zkClient would issue exits(TEST_ROOT) without blocking. The
return of doAsyncSync() would be asyc
+ // to main thread. doAsyncSync() is a source of 1 read and main thread
exists(TEST_ROOT) would be another.
+ TestHelper.verify(()->{
+ return
((org.apache.helix.zookeeper.zkclient.ZkClient)zkClient).getSyncStatus();
+ }, TestHelper.WAIT_DURATION);
+
Assert.assertEquals((long) beanServer.getAttribute(rootname,
"ReadCounter"), 1);
+ //Assert.assertEquals((long) beanServer.getAttribute(rootname,
"ReadTotalLatencyCounter"), 1);
Review comment:
Let's sync up tomorrow. I didn't get why waiting for the read count = 2
won't work.
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