Examples with MockApiProcessorSupplier org.apache.kafka.test.MockApiProcessorSupplier used on opensource projects

Example 21 with MockApiProcessorSupplier

use of org.apache.kafka.test.MockApiProcessorSupplier in project kafka by apache.

the class InternalTopologyBuilderTest method shouldNotAllowToAddGlobalStoresWithSameName.

@Test
public void shouldNotAllowToAddGlobalStoresWithSameName() {
    final StoreBuilder<KeyValueStore<Object, Object>> firstGlobalBuilder = new MockKeyValueStoreBuilder("testStore", false).withLoggingDisabled();
    final StoreBuilder<KeyValueStore<Object, Object>> secondGlobalBuilder = new MockKeyValueStoreBuilder("testStore", false).withLoggingDisabled();
    builder.addGlobalStore(firstGlobalBuilder, "global-store", null, null, null, "global-topic", "global-processor", new MockApiProcessorSupplier<>());
    final TopologyException exception = assertThrows(TopologyException.class, () -> builder.addGlobalStore(secondGlobalBuilder, "global-store-2", null, null, null, "global-topic", "global-processor-2", new MockApiProcessorSupplier<>()));
    assertThat(exception.getMessage(), equalTo("Invalid topology: A different GlobalStateStore has already been added with the name testStore"));
}

Example 22 with MockApiProcessorSupplier

use of org.apache.kafka.test.MockApiProcessorSupplier in project kafka by apache.

the class KTableKTableLeftJoinTest method testSendingOldValue.

@Test
public void testSendingOldValue() {
    final StreamsBuilder builder = new StreamsBuilder();
    final int[] expectedKeys = new int[] { 0, 1, 2, 3 };
    final KTable<Integer, String> table1;
    final KTable<Integer, String> table2;
    final KTable<Integer, String> joined;
    final MockApiProcessorSupplier<Integer, String, Void, Void> supplier = new MockApiProcessorSupplier<>();
    table1 = builder.table(topic1, consumed);
    table2 = builder.table(topic2, consumed);
    joined = table1.leftJoin(table2, MockValueJoiner.TOSTRING_JOINER);
    ((KTableImpl<?, ?, ?>) joined).enableSendingOldValues(true);
    assertThat(((KTableImpl<?, ?, ?>) table1).sendingOldValueEnabled(), is(true));
    assertThat(((KTableImpl<?, ?, ?>) table2).sendingOldValueEnabled(), is(true));
    assertThat(((KTableImpl<?, ?, ?>) joined).sendingOldValueEnabled(), is(true));
    final Topology topology = builder.build().addProcessor("proc", supplier, ((KTableImpl<?, ?, ?>) joined).name);
    try (final TopologyTestDriver driver = new TopologyTestDriverWrapper(topology, props)) {
        final TestInputTopic<Integer, String> inputTopic1 = driver.createInputTopic(topic1, Serdes.Integer().serializer(), Serdes.String().serializer(), Instant.ofEpochMilli(0L), Duration.ZERO);
        final TestInputTopic<Integer, String> inputTopic2 = driver.createInputTopic(topic2, Serdes.Integer().serializer(), Serdes.String().serializer(), Instant.ofEpochMilli(0L), Duration.ZERO);
        final MockApiProcessor<Integer, String, Void, Void> proc = supplier.theCapturedProcessor();
        assertTrue(((KTableImpl<?, ?, ?>) table1).sendingOldValueEnabled());
        assertTrue(((KTableImpl<?, ?, ?>) table2).sendingOldValueEnabled());
        assertTrue(((KTableImpl<?, ?, ?>) joined).sendingOldValueEnabled());
        // push two items to the primary stream. the other table is empty
        for (int i = 0; i < 2; i++) {
            inputTopic1.pipeInput(expectedKeys[i], "X" + expectedKeys[i], 5L + i);
        }
        // pass tuple with null key, it will be discarded in join process
        inputTopic1.pipeInput(null, "SomeVal", 42L);
        // left: X0:0 (ts: 5), X1:1 (ts: 6)
        // right:
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>(0, new Change<>("X0+null", null), 5), new KeyValueTimestamp<>(1, new Change<>("X1+null", null), 6));
        // push two items to the other stream. this should produce two items.
        for (int i = 0; i < 2; i++) {
            inputTopic2.pipeInput(expectedKeys[i], "Y" + expectedKeys[i], 10L * i);
        }
        // pass tuple with null key, it will be discarded in join process
        inputTopic2.pipeInput(null, "AnotherVal", 73L);
        // left: X0:0 (ts: 5), X1:1 (ts: 6)
        // right: Y0:0 (ts: 0), Y1:1 (ts: 10)
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>(0, new Change<>("X0+Y0", "X0+null"), 5), new KeyValueTimestamp<>(1, new Change<>("X1+Y1", "X1+null"), 10));
        // push all four items to the primary stream. this should produce four items.
        for (final int expectedKey : expectedKeys) {
            inputTopic1.pipeInput(expectedKey, "XX" + expectedKey, 7L);
        }
        // left: XX0:0 (ts: 7), XX1:1 (ts: 7), XX2:2 (ts: 7), XX3:3 (ts: 7)
        // right: Y0:0 (ts: 0), Y1:1 (ts: 10)
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>(0, new Change<>("XX0+Y0", "X0+Y0"), 7), new KeyValueTimestamp<>(1, new Change<>("XX1+Y1", "X1+Y1"), 10), new KeyValueTimestamp<>(2, new Change<>("XX2+null", null), 7), new KeyValueTimestamp<>(3, new Change<>("XX3+null", null), 7));
        // push all items to the other stream. this should produce four items.
        for (final int expectedKey : expectedKeys) {
            inputTopic2.pipeInput(expectedKey, "YY" + expectedKey, expectedKey * 5L);
        }
        // left: XX0:0 (ts: 7), XX1:1 (ts: 7), XX2:2 (ts: 7), XX3:3 (ts: 7)
        // right: YY0:0 (ts: 0), YY1:1 (ts: 5), YY2:2 (ts: 10), YY3:3 (ts: 15)
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>(0, new Change<>("XX0+YY0", "XX0+Y0"), 7), new KeyValueTimestamp<>(1, new Change<>("XX1+YY1", "XX1+Y1"), 7), new KeyValueTimestamp<>(2, new Change<>("XX2+YY2", "XX2+null"), 10), new KeyValueTimestamp<>(3, new Change<>("XX3+YY3", "XX3+null"), 15));
        // push all four items to the primary stream. this should produce four items.
        for (final int expectedKey : expectedKeys) {
            inputTopic1.pipeInput(expectedKey, "XXX" + expectedKey, 6L);
        }
        // left: XXX0:0 (ts: 6), XXX1:1 (ts: 6), XXX2:2 (ts: 6), XXX3:3 (ts: 6)
        // right: YY0:0 (ts: 0), YY1:1 (ts: 5), YY2:2 (ts: 10), YY3:3 (ts: 15)
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>(0, new Change<>("XXX0+YY0", "XX0+YY0"), 6), new KeyValueTimestamp<>(1, new Change<>("XXX1+YY1", "XX1+YY1"), 6), new KeyValueTimestamp<>(2, new Change<>("XXX2+YY2", "XX2+YY2"), 10), new KeyValueTimestamp<>(3, new Change<>("XXX3+YY3", "XX3+YY3"), 15));
        // push two items with null to the other stream as deletes. this should produce two item.
        inputTopic2.pipeInput(expectedKeys[0], null, 5L);
        inputTopic2.pipeInput(expectedKeys[1], null, 7L);
        // left: XXX0:0 (ts: 6), XXX1:1 (ts: 6), XXX2:2 (ts: 6), XXX3:3 (ts: 6)
        // right: YY2:2 (ts: 10), YY3:3 (ts: 15)
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>(0, new Change<>("XXX0+null", "XXX0+YY0"), 6), new KeyValueTimestamp<>(1, new Change<>("XXX1+null", "XXX1+YY1"), 7));
        // push all four items to the primary stream. this should produce four items.
        for (final int expectedKey : expectedKeys) {
            inputTopic1.pipeInput(expectedKey, "XXXX" + expectedKey, 13L);
        }
        // left: XXXX0:0 (ts: 13), XXXX1:1 (ts: 13), XXXX2:2 (ts: 13), XXXX3:3 (ts: 13)
        // right: YY2:2 (ts: 10), YY3:3 (ts: 15)
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>(0, new Change<>("XXXX0+null", "XXX0+null"), 13), new KeyValueTimestamp<>(1, new Change<>("XXXX1+null", "XXX1+null"), 13), new KeyValueTimestamp<>(2, new Change<>("XXXX2+YY2", "XXX2+YY2"), 13), new KeyValueTimestamp<>(3, new Change<>("XXXX3+YY3", "XXX3+YY3"), 15));
        // push four items to the primary stream with null. this should produce four items.
        inputTopic1.pipeInput(expectedKeys[0], null, 0L);
        inputTopic1.pipeInput(expectedKeys[1], null, 42L);
        inputTopic1.pipeInput(expectedKeys[2], null, 5L);
        inputTopic1.pipeInput(expectedKeys[3], null, 20L);
        // left:
        // right: YY2:2 (ts: 10), YY3:3 (ts: 15)
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>(0, new Change<>(null, "XXXX0+null"), 0), new KeyValueTimestamp<>(1, new Change<>(null, "XXXX1+null"), 42), new KeyValueTimestamp<>(2, new Change<>(null, "XXXX2+YY2"), 10), new KeyValueTimestamp<>(3, new Change<>(null, "XXXX3+YY3"), 20));
    }
}

Example 23 with MockApiProcessorSupplier

use of org.apache.kafka.test.MockApiProcessorSupplier in project kafka by apache.

the class KTableMapValuesTest method testKTable.

@Test
public void testKTable() {
    final StreamsBuilder builder = new StreamsBuilder();
    final String topic1 = "topic1";
    final KTable<String, String> table1 = builder.table(topic1, consumed);
    final KTable<String, Integer> table2 = table1.mapValues(value -> value.charAt(0) - 48);
    final MockApiProcessorSupplier<String, Integer, Void, Void> supplier = new MockApiProcessorSupplier<>();
    table2.toStream().process(supplier);
    doTestKTable(builder, topic1, supplier);
}

Example 24 with MockApiProcessorSupplier

use of org.apache.kafka.test.MockApiProcessorSupplier in project kafka by apache.

the class KTableMapValuesTest method testNotSendingOldValue.

@Test
public void testNotSendingOldValue() {
    final StreamsBuilder builder = new StreamsBuilder();
    final String topic1 = "topic1";
    final KTableImpl<String, String, String> table1 = (KTableImpl<String, String, String>) builder.table(topic1, consumed);
    final KTableImpl<String, String, Integer> table2 = (KTableImpl<String, String, Integer>) table1.mapValues(s -> Integer.valueOf(s));
    final MockApiProcessorSupplier<String, Integer, Void, Void> supplier = new MockApiProcessorSupplier<>();
    final Topology topology = builder.build().addProcessor("proc", supplier, table2.name);
    try (final TopologyTestDriver driver = new TopologyTestDriver(topology, props)) {
        final TestInputTopic<String, String> inputTopic1 = driver.createInputTopic(topic1, new StringSerializer(), new StringSerializer(), Instant.ofEpochMilli(0L), Duration.ZERO);
        final MockApiProcessor<String, Integer, Void, Void> proc = supplier.theCapturedProcessor();
        assertFalse(table1.sendingOldValueEnabled());
        assertFalse(table2.sendingOldValueEnabled());
        inputTopic1.pipeInput("A", "01", 5L);
        inputTopic1.pipeInput("B", "01", 10L);
        inputTopic1.pipeInput("C", "01", 15L);
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>("A", new Change<>(1, null), 5), new KeyValueTimestamp<>("B", new Change<>(1, null), 10), new KeyValueTimestamp<>("C", new Change<>(1, null), 15));
        inputTopic1.pipeInput("A", "02", 10L);
        inputTopic1.pipeInput("B", "02", 8L);
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>("A", new Change<>(2, null), 10), new KeyValueTimestamp<>("B", new Change<>(2, null), 8));
        inputTopic1.pipeInput("A", "03", 20L);
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>("A", new Change<>(3, null), 20));
        inputTopic1.pipeInput("A", (String) null, 30L);
        proc.checkAndClearProcessResult(new KeyValueTimestamp<>("A", new Change<>(null, null), 30));
    }
}

Example 25 with MockApiProcessorSupplier

use of org.apache.kafka.test.MockApiProcessorSupplier in project kafka by apache.

the class KTableSourceTest method testNotSendingOldValue.

@Test
public void testNotSendingOldValue() {
    final StreamsBuilder builder = new StreamsBuilder();
    final String topic1 = "topic1";
    @SuppressWarnings("unchecked") final KTableImpl<String, String, String> table1 = (KTableImpl<String, String, String>) builder.table(topic1, stringConsumed);
    final MockApiProcessorSupplier<String, Integer, Void, Void> supplier = new MockApiProcessorSupplier<>();
    final Topology topology = builder.build().addProcessor("proc1", supplier, table1.name);
    try (final TopologyTestDriver driver = new TopologyTestDriver(topology, props)) {
        final TestInputTopic<String, String> inputTopic1 = driver.createInputTopic(topic1, new StringSerializer(), new StringSerializer(), Instant.ofEpochMilli(0L), Duration.ZERO);
        final MockApiProcessor<String, Integer, Void, Void> proc1 = supplier.theCapturedProcessor();
        inputTopic1.pipeInput("A", "01", 10L);
        inputTopic1.pipeInput("B", "01", 20L);
        inputTopic1.pipeInput("C", "01", 15L);
        proc1.checkAndClearProcessResult(new KeyValueTimestamp<>("A", new Change<>("01", null), 10), new KeyValueTimestamp<>("B", new Change<>("01", null), 20), new KeyValueTimestamp<>("C", new Change<>("01", null), 15));
        inputTopic1.pipeInput("A", "02", 8L);
        inputTopic1.pipeInput("B", "02", 22L);
        proc1.checkAndClearProcessResult(new KeyValueTimestamp<>("A", new Change<>("02", null), 8), new KeyValueTimestamp<>("B", new Change<>("02", null), 22));
        inputTopic1.pipeInput("A", "03", 12L);
        proc1.checkAndClearProcessResult(new KeyValueTimestamp<>("A", new Change<>("03", null), 12));
        inputTopic1.pipeInput("A", null, 15L);
        inputTopic1.pipeInput("B", null, 20L);
        proc1.checkAndClearProcessResult(new KeyValueTimestamp<>("A", new Change<>(null, null), 15), new KeyValueTimestamp<>("B", new Change<>(null, null), 20));
    }
}