kaisun2000 commented on a change in pull request #924: WIP: fix
ZkHelixPropertyStore loses Zookeeper notification issue
URL: https://github.com/apache/helix/pull/924#discussion_r402514956
##########
File path:
helix-core/src/test/java/org/apache/helix/manager/zk/TestZkCacheAsyncOpSingleThread.java
##########
@@ -37,6 +38,83 @@
import org.testng.annotations.Test;
public class TestZkCacheAsyncOpSingleThread extends ZkUnitTestBase {
+ @Test
+ public void testSessionExpirationWithSharedZkClient() throws Exception {
+ int CURSTATECNT = 10;
+ String className = TestHelper.getTestClassName();
+ String methodName = TestHelper.getTestMethodName();
+ String clusterName = className + "_" + methodName;
+
+ // init external base data accessor
+ HelixZkClient sharedZkclient = SharedZkClientFactory.getInstance()
+ .buildZkClient(new HelixZkClient.ZkConnectionConfig(ZK_ADDR));
+ sharedZkclient.setZkSerializer(new ZNRecordSerializer());
+ ZkBaseDataAccessor<ZNRecord> sharedBaseAccessor = new
ZkBaseDataAccessor<>(sharedZkclient);
+
+ // init zkCacheBaseDataAccessor
+ String curStatePath =
PropertyPathBuilder.instanceCurrentState(clusterName, "localhost_8901");
+ String extViewPath = PropertyPathBuilder.externalView(clusterName);
+
+ ZkBaseDataAccessor<ZNRecord> extBaseAccessor = new
ZkBaseDataAccessor<>(_gZkClient);
+ extBaseAccessor.create(curStatePath, null, AccessOption.PERSISTENT);
+
+ List<String> zkCacheInitPaths = Arrays.asList(curStatePath, extViewPath);
+ ZkCacheBaseDataAccessor<ZNRecord> accessor =
+ new ZkCacheBaseDataAccessor<>(sharedBaseAccessor, null, null,
zkCacheInitPaths);
+
+ boolean ret =
+ TestHelper.verifyZkCache(zkCacheInitPaths, accessor._zkCache._cache,
_gZkClient, true);
+ Assert.assertTrue(ret, "zkCache doesn't match data on Zk");
+
+ // create 10 current states using external base accessor
+ List<String> paths = new ArrayList<>();
+ List<ZNRecord> records = new ArrayList<>();
+ for (int i = 0; i < CURSTATECNT; i++) {
+ String path = PropertyPathBuilder.instanceCurrentState(clusterName,
"localhost_8901",
+ "session_0", "TestDB" + i);
+ ZNRecord record = new ZNRecord("TestDB" + i);
+
+ paths.add(path);
+ records.add(record);
+ }
+
+ boolean[] success = extBaseAccessor.createChildren(paths, records,
AccessOption.PERSISTENT);
+ for (int i = 0; i < CURSTATECNT; i++) {
+ Assert.assertTrue(success[i], "Should succeed in create: " +
paths.get(i));
+ }
+
+ TestHelper.verifyWithTimeout("verifyZkCache", 5000,
Review comment:
good point.
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