Examples with TopologyTestDriver org.apache.kafka.streams.TopologyTestDriver used on opensource projects

Example 66 with TopologyTestDriver

use of org.apache.kafka.streams.TopologyTestDriver in project kafka by apache.

the class ProcessorTopologyTest method testDrivingInternalRepartitioningTopology.

@Test
public void testDrivingInternalRepartitioningTopology() {
    driver = new TopologyTestDriver(createInternalRepartitioningTopology(), props);
    final TestInputTopic<String, String> inputTopic = driver.createInputTopic(INPUT_TOPIC_1, STRING_SERIALIZER, STRING_SERIALIZER, Instant.ofEpochMilli(0L), Duration.ZERO);
    inputTopic.pipeInput("key1", "value1");
    inputTopic.pipeInput("key2", "value2");
    inputTopic.pipeInput("key3", "value3");
    final TestOutputTopic<String, String> outputTopic1 = driver.createOutputTopic(OUTPUT_TOPIC_1, STRING_DESERIALIZER, STRING_DESERIALIZER);
    assertNextOutputRecord(outputTopic1.readRecord(), "key1", "value1");
    assertNextOutputRecord(outputTopic1.readRecord(), "key2", "value2");
    assertNextOutputRecord(outputTopic1.readRecord(), "key3", "value3");
}

Example 67 with TopologyTestDriver

use of org.apache.kafka.streams.TopologyTestDriver in project kafka by apache.

the class ProcessorTopologyTest method testDrivingConnectedStateStoreInDifferentProcessorsTopology.

@Test
public void testDrivingConnectedStateStoreInDifferentProcessorsTopology() {
    final String storeName = "connectedStore";
    final StoreBuilder<KeyValueStore<String, String>> storeBuilder = Stores.keyValueStoreBuilder(Stores.inMemoryKeyValueStore(storeName), Serdes.String(), Serdes.String());
    topology.addSource("source1", STRING_DESERIALIZER, STRING_DESERIALIZER, INPUT_TOPIC_1).addSource("source2", STRING_DESERIALIZER, STRING_DESERIALIZER, INPUT_TOPIC_2).addProcessor("processor1", defineWithStores(() -> new StatefulProcessor(storeName), Collections.singleton(storeBuilder)), "source1").addProcessor("processor2", defineWithStores(() -> new StatefulProcessor(storeName), Collections.singleton(storeBuilder)), "source2").addSink("counts", OUTPUT_TOPIC_1, "processor1", "processor2");
    driver = new TopologyTestDriver(topology, props);
    final TestInputTopic<String, String> inputTopic = driver.createInputTopic(INPUT_TOPIC_1, STRING_SERIALIZER, STRING_SERIALIZER);
    final TestOutputTopic<Integer, String> outputTopic1 = driver.createOutputTopic(OUTPUT_TOPIC_1, Serdes.Integer().deserializer(), Serdes.String().deserializer());
    inputTopic.pipeInput("key1", "value1");
    inputTopic.pipeInput("key2", "value2");
    inputTopic.pipeInput("key3", "value3");
    inputTopic.pipeInput("key1", "value4");
    assertTrue(outputTopic1.isEmpty());
    final KeyValueStore<String, String> store = driver.getKeyValueStore("connectedStore");
    assertEquals("value4", store.get("key1"));
    assertEquals("value2", store.get("key2"));
    assertEquals("value3", store.get("key3"));
    assertNull(store.get("key4"));
}

Example 68 with TopologyTestDriver

use of org.apache.kafka.streams.TopologyTestDriver in project kafka by apache.

the class ProcessorTopologyTest method testPrefixScanInMemoryStoreNoCachingNoLoggingOldProcessor.

// testing old PAPI
@Deprecated
@Test
public void testPrefixScanInMemoryStoreNoCachingNoLoggingOldProcessor() {
    final StoreBuilder<KeyValueStore<String, String>> storeBuilder = Stores.keyValueStoreBuilder(Stores.inMemoryKeyValueStore(DEFAULT_STORE_NAME), Serdes.String(), Serdes.String()).withCachingDisabled().withLoggingDisabled();
    topology.addSource("source1", STRING_DESERIALIZER, STRING_DESERIALIZER, INPUT_TOPIC_1).addProcessor("processor1", defineWithStoresOldAPI(() -> new OldAPIStatefulProcessor(DEFAULT_STORE_NAME), Collections.singleton(storeBuilder)), "source1").addSink("counts", OUTPUT_TOPIC_1, "processor1");
    driver = new TopologyTestDriver(topology, props);
    final TestInputTopic<String, String> inputTopic = driver.createInputTopic(INPUT_TOPIC_1, STRING_SERIALIZER, STRING_SERIALIZER);
    final TestOutputTopic<Integer, String> outputTopic1 = driver.createOutputTopic(OUTPUT_TOPIC_1, Serdes.Integer().deserializer(), Serdes.String().deserializer());
    inputTopic.pipeInput("key1", "value1");
    inputTopic.pipeInput("key2", "value2");
    inputTopic.pipeInput("key3", "value3");
    inputTopic.pipeInput("key1", "value4");
    assertTrue(outputTopic1.isEmpty());
    final KeyValueStore<String, String> store = driver.getKeyValueStore(DEFAULT_STORE_NAME);
    final List<KeyValue<String, String>> results = prefixScanResults(store, DEFAULT_PREFIX);
    assertEquals("key1", results.get(0).key);
    assertEquals("value4", results.get(0).value);
    assertEquals("key2", results.get(1).key);
    assertEquals("value2", results.get(1).value);
    assertEquals("key3", results.get(2).key);
    assertEquals("value3", results.get(2).value);
}

Example 69 with TopologyTestDriver

use of org.apache.kafka.streams.TopologyTestDriver in project kafka by apache.

the class ProcessorTopologyTest method shouldConsiderModifiedTimeStamps.

@Test
public void shouldConsiderModifiedTimeStamps() {
    final int partition = 10;
    driver = new TopologyTestDriver(createTimestampTopology(partition), props);
    final TestInputTopic<String, String> inputTopic = driver.createInputTopic(INPUT_TOPIC_1, STRING_SERIALIZER, STRING_SERIALIZER);
    inputTopic.pipeInput("key1", "value1", 10L);
    inputTopic.pipeInput("key2", "value2", 20L);
    inputTopic.pipeInput("key3", "value3", 30L);
    final TestOutputTopic<String, String> outputTopic1 = driver.createOutputTopic(OUTPUT_TOPIC_1, Serdes.String().deserializer(), Serdes.String().deserializer());
    assertNextOutputRecord(outputTopic1.readRecord(), "key1", "value1", 20L);
    assertNextOutputRecord(outputTopic1.readRecord(), "key2", "value2", 30L);
    assertNextOutputRecord(outputTopic1.readRecord(), "key3", "value3", 40L);
}

Example 70 with TopologyTestDriver

use of org.apache.kafka.streams.TopologyTestDriver in project kafka by apache.

the class ProcessorTopologyTest method testPrefixScanPersistentTimestampedStoreNoCachingNoLogging.

@Test
public void testPrefixScanPersistentTimestampedStoreNoCachingNoLogging() {
    final StoreBuilder<KeyValueStore<String, String>> storeBuilder = Stores.keyValueStoreBuilder(Stores.persistentTimestampedKeyValueStore(DEFAULT_STORE_NAME), Serdes.String(), Serdes.String()).withCachingDisabled().withLoggingDisabled();
    topology.addSource("source1", STRING_DESERIALIZER, STRING_DESERIALIZER, INPUT_TOPIC_1).addProcessor("processor1", defineWithStores(() -> new StatefulProcessor(DEFAULT_STORE_NAME), Collections.singleton(storeBuilder)), "source1").addSink("counts", OUTPUT_TOPIC_1, "processor1");
    driver = new TopologyTestDriver(topology, props);
    final TestInputTopic<String, String> inputTopic = driver.createInputTopic(INPUT_TOPIC_1, STRING_SERIALIZER, STRING_SERIALIZER);
    final TestOutputTopic<Integer, String> outputTopic1 = driver.createOutputTopic(OUTPUT_TOPIC_1, Serdes.Integer().deserializer(), Serdes.String().deserializer());
    inputTopic.pipeInput("key1", "value1");
    inputTopic.pipeInput("key2", "value2");
    inputTopic.pipeInput("key3", "value3");
    inputTopic.pipeInput("key1", "value4");
    assertTrue(outputTopic1.isEmpty());
    final KeyValueStore<String, String> store = driver.getKeyValueStore(DEFAULT_STORE_NAME);
    final List<KeyValue<String, String>> results = prefixScanResults(store, DEFAULT_PREFIX);
    assertEquals("key1", results.get(0).key);
    assertEquals("value4", results.get(0).value);
    assertEquals("key2", results.get(1).key);
    assertEquals("value2", results.get(1).value);
    assertEquals("key3", results.get(2).key);
    assertEquals("value3", results.get(2).value);
}