zhangmeng916 commented on a change in pull request #912: Add integration test
to customized view aggregation
URL: https://github.com/apache/helix/pull/912#discussion_r398325974
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File path:
helix-core/src/test/java/org/apache/helix/integration/TestCustomizedViewAggregation.java
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@@ -0,0 +1,404 @@
+package org.apache.helix.integration;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
+
+import com.google.common.collect.Maps;
+import org.apache.helix.HelixDataAccessor;
+import org.apache.helix.HelixManager;
+import org.apache.helix.HelixManagerFactory;
+import org.apache.helix.InstanceType;
+import org.apache.helix.PropertyType;
+import org.apache.helix.TestHelper;
+import org.apache.helix.ZNRecord;
+import org.apache.helix.ZkUnitTestBase;
+import org.apache.helix.customizedstate.CustomizedStateProvider;
+import org.apache.helix.customizedstate.CustomizedStateProviderFactory;
+import org.apache.helix.integration.manager.ClusterControllerManager;
+import org.apache.helix.integration.manager.MockParticipantManager;
+import org.apache.helix.model.CustomizedStateConfig;
+import org.apache.helix.model.CustomizedView;
+import org.apache.helix.spectator.RoutingTableProvider;
+import org.apache.helix.spectator.RoutingTableSnapshot;
+import org.testng.Assert;
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+
+public class TestCustomizedViewAggregation extends ZkUnitTestBase {
+
+ private static CustomizedStateProvider _customizedStateProvider_participant0;
+ private static CustomizedStateProvider _customizedStateProvider_participant1;
+ private static RoutingTableProvider _routingTableProvider;
+ private static HelixManager _spectator;
+ private static HelixManager _manager;
+ // 1st key: customized state type, 2nd key: resource name, 3rd key:
partition name, 4th key: instance name, value: state value
+ // This map contains all the customized state information that is enabled
for aggregation in config, including those are not listened by routing table
provider
+ private static Map<String, Map<String, Map<String, Map<String, String>>>>
_localCustomizedView;
+ // The set contains customized state types that are listened by routing
table provider
+ private static Set<String> _localVisibleCustomizedStateType;
+ private String INSTANCE_0;
+ private String INSTANCE_1;
+ private final String RESOURCE_A = "TestDB0";
+ private final String RESOURCE_B = "TestDB1";
+ private final String PARTITION_A1 = "TestDB0_0";
+ private final String PARTITION_A2 = "TestDB0_1";
+ private final String PARTITION_B1 = "TestDB1_0";
+ private final String PARTITION_B2 = "TestDB1_1";
+
+ // Customized state values used for test, StatusA1 - StatusA3 are values for
Customized state TypeA, etc.
+ private enum CurrentStateValues {
+ StatusA1, StatusA2, StatusA3, StatusB1, StatusB2, StatusB3, StatusC1,
StatusC2, StatusC3
+ }
+
+ private enum CustomizedStateType {
+ TYPE_A, TYPE_B, TYPE_C
+ }
+
+ @BeforeClass
+ public void beforeClass() throws Exception {
+ super.beforeClass();
+
+ String className = TestHelper.getTestClassName();
+ String methodName = TestHelper.getTestMethodName();
+ String clusterName = className + "_" + methodName;
+ int n = 2;
+
+ System.out.println("START " + clusterName + " at " + new
Date(System.currentTimeMillis()));
+
+ TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant port
+ "localhost", // participant name prefix
+ "TestDB", // resource name prefix
+ 2, // resources
+ 2, // partitions per resource
+ n, // number of nodes
+ 2, // replicas
+ "MasterSlave", true); // do rebalance
+
+ ClusterControllerManager controller =
+ new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0");
+ controller.syncStart();
+
+ // start participants
+ MockParticipantManager[] participants = new MockParticipantManager[n];
+ for (int i = 0; i < n; i++) {
+ String instanceName = "localhost_" + (12918 + i);
+
+ participants[i] = new MockParticipantManager(ZK_ADDR, clusterName,
instanceName);
+ participants[i].syncStart();
+ }
+
+ INSTANCE_0 = participants[0].getInstanceName();
+ INSTANCE_1 = participants[1].getInstanceName();
+
+ _manager = HelixManagerFactory
+ .getZKHelixManager(clusterName, "admin", InstanceType.ADMINISTRATOR,
ZK_ADDR);
+ _manager.connect();
+
+ _spectator = HelixManagerFactory
+ .getZKHelixManager(clusterName, "spectator", InstanceType.SPECTATOR,
ZK_ADDR);
+ _spectator.connect();
+ HelixDataAccessor dataAccessor = _manager.getHelixDataAccessor();
+
+ // Initialize customized state provider
+ _customizedStateProvider_participant0 =
CustomizedStateProviderFactory.getInstance()
+ .buildCustomizedStateProvider(_manager,
participants[0].getInstanceName());
+ _customizedStateProvider_participant1 =
CustomizedStateProviderFactory.getInstance()
+ .buildCustomizedStateProvider(_manager,
participants[1].getInstanceName());
+
+ // Set up aggregation config
+ List<String> aggregationEnabledTypes = Arrays
+ .asList(CustomizedStateType.TYPE_A.name(),
CustomizedStateType.TYPE_B.name(),
+ CustomizedStateType.TYPE_C.name());
+ CustomizedStateConfig.Builder customizedStateConfigBuilder =
+ new CustomizedStateConfig.Builder();
+
customizedStateConfigBuilder.setAggregationEnabledTypes(aggregationEnabledTypes);
+
dataAccessor.updateProperty(dataAccessor.keyBuilder().customizedStateConfig(),
+ customizedStateConfigBuilder.build());
+
+ _localCustomizedView = new HashMap<>();
+ _localVisibleCustomizedStateType = new HashSet<>();
+ }
+
+ @AfterClass
+ public void afterClass() {
+ _routingTableProvider.shutdown();
+ _manager.disconnect();
+ _spectator.disconnect();
+ }
+
+ /**
+ * Compare the customized state values between ZK and local record
Review comment:
customized state values -> customized view values.
State is the raw data input, and view is the aggregated output.
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