pkuwm commented on a change in pull request #845: Async write operation should
not throw Exception for serializing error
URL: https://github.com/apache/helix/pull/845#discussion_r386744545
##########
File path:
helix-core/src/test/java/org/apache/helix/manager/zk/TestRawZkClient.java
##########
@@ -745,4 +749,65 @@ public void testWaitForEstablishedSession() {
// Recover zk server for later tests.
_zkServer.start();
}
+
+ @Test
+ public void testAsyncWriteOperations() {
+ ZkClient zkClient = new ZkClient(ZK_ADDR);
+ String originSizeLimit =
+
System.getProperty(ZkSystemPropertyKeys.ZK_SERIALIZER_ZNRECORD_WRITE_SIZE_LIMIT_BYTES);
+
System.setProperty(ZkSystemPropertyKeys.ZK_SERIALIZER_ZNRECORD_WRITE_SIZE_LIMIT_BYTES,
"2000");
+ try {
+ zkClient.setZkSerializer(new ZNRecordSerializer());
+
+ ZNRecord oversizeZNRecord = new ZNRecord("Oversize");
+ StringBuilder sb = new StringBuilder(1204);
+ Random ran = new Random();
+ for (int i = 0; i < 1024; i++) {
+ sb.append(ran.nextInt(26) + 'a');
+ }
+ String buf = sb.toString();
+ for (int i = 0; i < 1024; i++) {
+ oversizeZNRecord.setSimpleField(Integer.toString(i), buf);
+ }
+
+ // ensure /tmp exists for the test
+ if (!zkClient.exists("/tmp")) {
+ zkClient.create("/tmp", null, CreateMode.PERSISTENT);
+ }
+
+
org.apache.helix.zookeeper.zkclient.callback.ZkAsyncCallbacks.CreateCallbackHandler
+ createCallback = new
org.apache.helix.zookeeper.zkclient.callback.ZkAsyncCallbacks.CreateCallbackHandler();
+ zkClient.asyncCreate("/tmp/async", null, CreateMode.PERSISTENT,
createCallback);
+ createCallback.waitForSuccess();
+ Assert.assertEquals(createCallback.getRc(), 0);
+
+ // try to create oversize node, should fail
+ zkClient.asyncCreate("/tmp/asyncOversize", oversizeZNRecord,
CreateMode.PERSISTENT,
+ createCallback);
+ createCallback.waitForSuccess();
+ Assert.assertEquals(createCallback.getRc(),
KeeperException.Code.MarshallingError);
Review comment:
Nit: Do you also want to check before and after: if the node exists or not
to double check the node is not created?
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