C0urante commented on code in PR #14966: URL: https://github.com/apache/kafka/pull/14966#discussion_r1425552879
########## connect/runtime/src/test/java/org/apache/kafka/connect/integration/OffsetsApiIntegrationTest.java: ########## @@ -70,74 +80,115 @@ public class OffsetsApiIntegrationTest { private static final long OFFSET_COMMIT_INTERVAL_MS = TimeUnit.SECONDS.toMillis(1); private static final long OFFSET_READ_TIMEOUT_MS = TimeUnit.SECONDS.toMillis(30); private static final int NUM_WORKERS = 3; - private static final String CONNECTOR_NAME = "test-connector"; - private static final String TOPIC = "test-topic"; private static final int NUM_TASKS = 2; private static final int NUM_RECORDS_PER_PARTITION = 10; - private Map<String, String> workerProps; - private EmbeddedConnectCluster.Builder connectBuilder; + private static final Map<Map<String, String>, EmbeddedConnectCluster> CONNECT_CLUSTERS = new ConcurrentHashMap<>(); + @Rule + public TestName currentTest = new TestName(); private EmbeddedConnectCluster connect; + private String connectorName; + private String topic; @Before public void setup() { - Properties brokerProps = new Properties(); - brokerProps.put("transaction.state.log.replication.factor", "1"); - brokerProps.put("transaction.state.log.min.isr", "1"); - - // setup Connect worker properties - workerProps = new HashMap<>(); - workerProps.put(OFFSET_COMMIT_INTERVAL_MS_CONFIG, String.valueOf(OFFSET_COMMIT_INTERVAL_MS)); - - // build a Connect cluster backed by Kafka and Zk - connectBuilder = new EmbeddedConnectCluster.Builder() - .name("connect-cluster") - .numWorkers(NUM_WORKERS) - .brokerProps(brokerProps) - .workerProps(workerProps); + connectorName = currentTest.getMethodName(); + topic = currentTest.getMethodName(); + connect = defaultConnectCluster(); } @After public void tearDown() { - connect.stop(); + Set<String> remainingConnectors = new HashSet<>(connect.connectors()); + if (remainingConnectors.remove(connectorName)) { + connect.deleteConnector(connectorName); + } + try { + assertEquals( + "Some connectors were not properly cleaned up after this test", + Collections.emptySet(), + remainingConnectors + ); + } finally { + // Make a last-ditch effort to clean up the leaked connectors + // so as not to interfere with other test cases + remainingConnectors.forEach(connect::deleteConnector); + } + } + + @AfterClass + public static void close() { + // stop all Connect, Kafka and Zk threads. + CONNECT_CLUSTERS.values().forEach(EmbeddedConnectCluster::stop); + } + + private static EmbeddedConnectCluster createOrReuseConnectWithWorkerProps(Map<String, String> workerProps) { + return CONNECT_CLUSTERS.computeIfAbsent(workerProps, props -> { + Properties brokerProps = new Properties(); + brokerProps.put("transaction.state.log.replication.factor", "1"); + brokerProps.put("transaction.state.log.min.isr", "1"); + + // Have to declare a new map since the passed-in one may be immutable + Map<String, String> workerPropsWithDefaults = new HashMap<>(workerProps); + // Enable fast offset commits by default + workerPropsWithDefaults.putIfAbsent(OFFSET_COMMIT_INTERVAL_MS_CONFIG, String.valueOf(OFFSET_COMMIT_INTERVAL_MS)); + + EmbeddedConnectCluster result = new EmbeddedConnectCluster.Builder() + .name("connect-cluster") + .numWorkers(NUM_WORKERS) + .brokerProps(brokerProps) + .workerProps(workerPropsWithDefaults) + .build(); + + result.start(); + + return result; + }); + } + + private static EmbeddedConnectCluster defaultConnectCluster() { + return createOrReuseConnectWithWorkerProps(Collections.emptyMap()); + } + + private static EmbeddedConnectCluster exactlyOnceSourceConnectCluster() { + Map<String, String> workerProps = Collections.singletonMap( + DistributedConfig.EXACTLY_ONCE_SOURCE_SUPPORT_CONFIG, + "enabled" + ); + return createOrReuseConnectWithWorkerProps(workerProps); } @Test public void testGetNonExistentConnectorOffsets() { - connect = connectBuilder.build(); - connect.start(); ConnectRestException e = assertThrows(ConnectRestException.class, () -> connect.connectorOffsets("non-existent-connector")); assertEquals(404, e.errorCode()); } @Test public void testGetSinkConnectorOffsets() throws Exception { - connect = connectBuilder.build(); - connect.start(); getAndVerifySinkConnectorOffsets(baseSinkConnectorConfigs(), connect.kafka()); } @Test public void testGetSinkConnectorOffsetsOverriddenConsumerGroupId() throws Exception { - connect = connectBuilder.build(); - connect.start(); Map<String, String> connectorConfigs = baseSinkConnectorConfigs(); - connectorConfigs.put(ConnectorConfig.CONNECTOR_CLIENT_CONSUMER_OVERRIDES_PREFIX + CommonClientConfigs.GROUP_ID_CONFIG, - "overridden-group-id"); + String overriddenGroupId = connectorName = "-overridden-group-id"; Review Comment: 😱 ########## connect/runtime/src/test/java/org/apache/kafka/connect/integration/OffsetsApiIntegrationTest.java: ########## @@ -70,74 +80,115 @@ public class OffsetsApiIntegrationTest { private static final long OFFSET_COMMIT_INTERVAL_MS = TimeUnit.SECONDS.toMillis(1); private static final long OFFSET_READ_TIMEOUT_MS = TimeUnit.SECONDS.toMillis(30); private static final int NUM_WORKERS = 3; - private static final String CONNECTOR_NAME = "test-connector"; - private static final String TOPIC = "test-topic"; private static final int NUM_TASKS = 2; private static final int NUM_RECORDS_PER_PARTITION = 10; - private Map<String, String> workerProps; - private EmbeddedConnectCluster.Builder connectBuilder; + private static final Map<Map<String, String>, EmbeddedConnectCluster> CONNECT_CLUSTERS = new ConcurrentHashMap<>(); + @Rule + public TestName currentTest = new TestName(); private EmbeddedConnectCluster connect; + private String connectorName; + private String topic; @Before public void setup() { - Properties brokerProps = new Properties(); - brokerProps.put("transaction.state.log.replication.factor", "1"); - brokerProps.put("transaction.state.log.min.isr", "1"); - - // setup Connect worker properties - workerProps = new HashMap<>(); - workerProps.put(OFFSET_COMMIT_INTERVAL_MS_CONFIG, String.valueOf(OFFSET_COMMIT_INTERVAL_MS)); - - // build a Connect cluster backed by Kafka and Zk - connectBuilder = new EmbeddedConnectCluster.Builder() - .name("connect-cluster") - .numWorkers(NUM_WORKERS) - .brokerProps(brokerProps) - .workerProps(workerProps); + connectorName = currentTest.getMethodName(); + topic = currentTest.getMethodName(); + connect = defaultConnectCluster(); } @After public void tearDown() { - connect.stop(); + Set<String> remainingConnectors = new HashSet<>(connect.connectors()); + if (remainingConnectors.remove(connectorName)) { + connect.deleteConnector(connectorName); + } + try { + assertEquals( + "Some connectors were not properly cleaned up after this test", + Collections.emptySet(), + remainingConnectors + ); + } finally { + // Make a last-ditch effort to clean up the leaked connectors + // so as not to interfere with other test cases + remainingConnectors.forEach(connect::deleteConnector); + } + } + + @AfterClass + public static void close() { + // stop all Connect, Kafka and Zk threads. + CONNECT_CLUSTERS.values().forEach(EmbeddedConnectCluster::stop); + } + + private static EmbeddedConnectCluster createOrReuseConnectWithWorkerProps(Map<String, String> workerProps) { + return CONNECT_CLUSTERS.computeIfAbsent(workerProps, props -> { + Properties brokerProps = new Properties(); + brokerProps.put("transaction.state.log.replication.factor", "1"); + brokerProps.put("transaction.state.log.min.isr", "1"); + + // Have to declare a new map since the passed-in one may be immutable + Map<String, String> workerPropsWithDefaults = new HashMap<>(workerProps); + // Enable fast offset commits by default + workerPropsWithDefaults.putIfAbsent(OFFSET_COMMIT_INTERVAL_MS_CONFIG, String.valueOf(OFFSET_COMMIT_INTERVAL_MS)); + + EmbeddedConnectCluster result = new EmbeddedConnectCluster.Builder() + .name("connect-cluster") + .numWorkers(NUM_WORKERS) + .brokerProps(brokerProps) + .workerProps(workerPropsWithDefaults) + .build(); + + result.start(); + + return result; + }); + } + + private static EmbeddedConnectCluster defaultConnectCluster() { + return createOrReuseConnectWithWorkerProps(Collections.emptyMap()); + } + + private static EmbeddedConnectCluster exactlyOnceSourceConnectCluster() { + Map<String, String> workerProps = Collections.singletonMap( + DistributedConfig.EXACTLY_ONCE_SOURCE_SUPPORT_CONFIG, + "enabled" + ); + return createOrReuseConnectWithWorkerProps(workerProps); } @Test public void testGetNonExistentConnectorOffsets() { - connect = connectBuilder.build(); - connect.start(); ConnectRestException e = assertThrows(ConnectRestException.class, () -> connect.connectorOffsets("non-existent-connector")); assertEquals(404, e.errorCode()); } @Test public void testGetSinkConnectorOffsets() throws Exception { - connect = connectBuilder.build(); - connect.start(); getAndVerifySinkConnectorOffsets(baseSinkConnectorConfigs(), connect.kafka()); } @Test public void testGetSinkConnectorOffsetsOverriddenConsumerGroupId() throws Exception { - connect = connectBuilder.build(); - connect.start(); Map<String, String> connectorConfigs = baseSinkConnectorConfigs(); - connectorConfigs.put(ConnectorConfig.CONNECTOR_CLIENT_CONSUMER_OVERRIDES_PREFIX + CommonClientConfigs.GROUP_ID_CONFIG, - "overridden-group-id"); + String overriddenGroupId = connectorName = "-overridden-group-id"; Review Comment: 😱 -- This is an automated message from the Apache Git Service. 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