desaikomal commented on code in PR #2555:
URL: https://github.com/apache/helix/pull/2555#discussion_r1261336861
##########
meta-client/src/test/java/org/apache/helix/metaclient/impl/zk/TestZkMetaClient.java:
##########
@@ -504,6 +504,28 @@ public void handleDirectChildChange(String key) throws
Exception {
}
}
+ @Test
+ public void testChangeListener() throws Exception {
+ final String basePath = "/TestZkMetaClient_ChangeListener";
+ final int count = 100;
+ try (ZkMetaClient<String> zkMetaClient = createZkMetaClient()) {
+ zkMetaClient.connect();
+ DataChangeListener listener = new DataChangeListener() {
+
+ @Override
+ public void handleDataChange(String key, Object data, ChangeType
changeType)
+ throws Exception {
+ }
+ };
+ zkMetaClient.subscribeDataChange(basePath, listener, false);
Review Comment:
can we also have test case where persistent watcher is not set, and the test
still passes.
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