[GitHub] [samza] mynameborat commented on a change in pull request #1155: SAMZA-2322: Integrate startpoints with ZK Standalone integration tests.

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mynameborat commented on a change in pull request #1155: SAMZA-2322: Integrate startpoints with ZK Standalone integration tests.
URL: https://github.com/apache/samza/pull/1155#discussion_r330186376
 
 

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 File path: samza-test/src/test/java/org/apache/samza/test/startpoint/StartpointTestHarness.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.samza.test.startpoint;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Maps;
+import java.time.Duration;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+import org.apache.kafka.clients.admin.NewTopic;
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.apache.kafka.clients.producer.RecordMetadata;
+import org.apache.samza.Partition;
+import org.apache.samza.SamzaException;
+import org.apache.samza.config.ApplicationConfig;
+import org.apache.samza.config.Config;
+import org.apache.samza.config.JobConfig;
+import org.apache.samza.config.JobCoordinatorConfig;
+import org.apache.samza.config.MapConfig;
+import org.apache.samza.config.TaskConfig;
+import org.apache.samza.config.ZkConfig;
+import org.apache.samza.coordinator.metadatastore.CoordinatorStreamStore;
+import org.apache.samza.runtime.ApplicationRunner;
+import org.apache.samza.runtime.ApplicationRunners;
+import org.apache.samza.startpoint.Startpoint;
+import org.apache.samza.startpoint.StartpointManager;
+import org.apache.samza.startpoint.StartpointOldest;
+import org.apache.samza.startpoint.StartpointSpecific;
+import org.apache.samza.startpoint.StartpointTimestamp;
+import org.apache.samza.startpoint.StartpointUpcoming;
+import org.apache.samza.system.IncomingMessageEnvelope;
+import org.apache.samza.system.SystemAdmin;
+import org.apache.samza.system.SystemAdmins;
+import org.apache.samza.system.SystemStream;
+import org.apache.samza.system.SystemStreamPartition;
+import org.apache.samza.task.TaskCallback;
+import org.apache.samza.test.StandaloneTestUtils;
+import org.apache.samza.test.harness.IntegrationTestHarness;
+import org.apache.samza.test.processor.SharedContextFactories;
+import org.apache.samza.test.processor.TestTaskApplication;
+import org.apache.samza.test.util.TestKafkaEvent;
+import org.apache.samza.util.CoordinatorStreamUtil;
+import org.apache.samza.util.NoOpMetricsRegistry;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.rules.Timeout;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertTrue;
+
+
+public class StartpointTestHarness extends IntegrationTestHarness {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(StartpointTestHarness.class);
+
+  private static final int NUM_KAFKA_EVENTS = 300;
+  private static final int ZK_TEST_PARTITION_COUNT = 5;
+  private static final String TEST_SYSTEM = "TestSystemName";
+  private static final String TEST_SSP_GROUPER_FACTORY = "org.apache.samza.container.grouper.stream.GroupByPartitionFactory";
+  private static final String TEST_TASK_GROUPER_FACTORY = "org.apache.samza.container.grouper.task.GroupByContainerIdsFactory";
+  private static final String TEST_JOB_COORDINATOR_FACTORY = "org.apache.samza.zk.ZkJobCoordinatorFactory";
+  private static final String TEST_SYSTEM_FACTORY = "org.apache.samza.system.kafka.KafkaSystemFactory";
+  private static final String TASK_SHUTDOWN_MS = "10000";
+  private static final String JOB_DEBOUNCE_TIME_MS = "10000";
+  private static final String BARRIER_TIMEOUT_MS = "10000";
+  private static final String[] PROCESSOR_IDS = new String[] {"0000000000", "0000000001", "0000000002", "0000000003"};
+
+  private String inputKafkaTopic1;
+  private String inputKafkaTopic2;
+  private String inputKafkaTopic3;
+  private String inputKafkaTopic4;
+  private String outputKafkaTopic;
+  private ApplicationConfig applicationConfig1;
+  private ApplicationConfig applicationConfig2;
+  private ApplicationConfig applicationConfig3;
+  private ApplicationConfig applicationConfig4;
+  private String testStreamAppName;
+  private String testStreamAppId;
+
+  @Rule
+  public Timeout testTimeOutInMillis = new Timeout(150000, TimeUnit.MILLISECONDS);
 
 Review comment:
   Do we need such a long timeout? Is this inferred through some calculation from the debounce, barrier timeout etc? If so, can you add a doc?

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