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KAFKA-6474: Rewrite tests to use new public TopologyTestDriver [part 3] (#5052) 

* KAFKA-6474: Rewrite tests to use new public TopologyTestDriver [part 3]

* Refactor:
  - KStreamWindowReduceTest
  - KTableMapKeysTest
  - SessionWindowedKStreamImplTest
  - TimeWindowedKStreamImplTest

* Remove unnecessary @SuppressWarnings(unchecked)

Reviewers: Bill Bejeck <bill@confluent.io>, Matthias J. Sax <matthias@confluent.io>, Guozhang Wang <wangguoz@gmail.com>
pull/5049/merge
Filipe Agapito 7 years ago committed by Guozhang Wang
parent
193c779682
commit
6281fbcb6a
4 changed files with 130 additions and 123 deletions
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  1. 25
      streams/src/test/java/org/apache/kafka/streams/kstream/internals/KStreamWindowReduceTest.java
  2. 36
      streams/src/test/java/org/apache/kafka/streams/kstream/internals/KTableMapKeysTest.java
  3. 61
      streams/src/test/java/org/apache/kafka/streams/kstream/internals/SessionWindowedKStreamImplTest.java
  4. 65
      streams/src/test/java/org/apache/kafka/streams/kstream/internals/TimeWindowedKStreamImplTest.java

25
streams/src/test/java/org/apache/kafka/streams/kstream/internals/KStreamWindowReduceTest.java
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@ -17,25 +17,32 @@ @@ -17,25 +17,32 @@
package org.apache.kafka.streams.kstream.internals;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.common.serialization.StringSerializer;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.TopologyTestDriver;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.streams.kstream.Reducer;
import org.apache.kafka.streams.kstream.Serialized;
import org.apache.kafka.streams.kstream.TimeWindows;
import org.apache.kafka.streams.processor.internals.testutil.LogCaptureAppender;
import org.apache.kafka.test.KStreamTestDriver;
import org.apache.kafka.test.TestUtils;
import org.apache.kafka.streams.test.ConsumerRecordFactory;
import org.apache.kafka.test.StreamsTestUtils;
import org.junit.Test;
import java.util.Properties;
import static org.apache.kafka.test.StreamsTestUtils.getMetricByName;
import static org.hamcrest.CoreMatchers.hasItem;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertEquals;
public class KStreamWindowReduceTest {
private final Properties props = StreamsTestUtils.topologyTestConfig(Serdes.String(), Serdes.String());
private final ConsumerRecordFactory<String, String> recordFactory = new ConsumerRecordFactory<>(new StringSerializer(), new StringSerializer());
@Test
public void shouldLogAndMeterOnNullKey() {
final KStreamTestDriver driver = new KStreamTestDriver();
final StreamsBuilder builder = new StreamsBuilder();
builder
@ -49,14 +56,14 @@ public class KStreamWindowReduceTest { @@ -49,14 +56,14 @@ public class KStreamWindowReduceTest {
}
});
driver.setUp(builder, TestUtils.tempDirectory(), 0);
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props)) {
final LogCaptureAppender appender = LogCaptureAppender.createAndRegister();
driver.process("TOPIC", null, "asdf");
driver.flushState();
driver.pipeInput(recordFactory.create("TOPIC", null, "asdf"));
LogCaptureAppender.unregister(appender);
assertEquals(1.0, getMetricByName(driver.context().metrics().metrics(), "skipped-records-total", "stream-metrics").metricValue());
assertThat(appender.getMessages(), hasItem("Skipping record due to null key. value=[asdf] topic=[TOPIC] partition=[-1] offset=[-1]"));
assertEquals(1.0, getMetricByName(driver.metrics(), "skipped-records-total", "stream-metrics").metricValue());
assertThat(appender.getMessages(), hasItem("Skipping record due to null key. value=[asdf] topic=[TOPIC] partition=[0] offset=[0]"));
}
}
}

36
streams/src/test/java/org/apache/kafka/streams/kstream/internals/KTableMapKeysTest.java
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@ -17,40 +17,30 @@ @@ -17,40 +17,30 @@
package org.apache.kafka.streams.kstream.internals;
import org.apache.kafka.common.serialization.Serde;
import org.apache.kafka.common.serialization.IntegerSerializer;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.common.serialization.StringSerializer;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.TopologyTestDriver;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.streams.kstream.KStream;
import org.apache.kafka.streams.kstream.KTable;
import org.apache.kafka.streams.kstream.KeyValueMapper;
import org.apache.kafka.test.KStreamTestDriver;
import org.apache.kafka.streams.test.ConsumerRecordFactory;
import org.apache.kafka.test.MockProcessorSupplier;
import org.apache.kafka.test.TestUtils;
import org.junit.Before;
import org.junit.Rule;
import org.apache.kafka.test.StreamsTestUtils;
import org.junit.Test;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import static org.junit.Assert.assertEquals;
public class KTableMapKeysTest {
final private Serde<String> stringSerde = new Serdes.StringSerde();
final private Serde<Integer> integerSerde = new Serdes.IntegerSerde();
private File stateDir = null;
@Rule
public final KStreamTestDriver driver = new KStreamTestDriver();
@Before
public void setUp() {
stateDir = TestUtils.tempDirectory("kafka-test");
}
private final ConsumerRecordFactory<Integer, String> recordFactory = new ConsumerRecordFactory<>(new IntegerSerializer(), new StringSerializer());
private final Properties props = StreamsTestUtils.topologyTestConfig(Serdes.Integer(), Serdes.String());
@Test
public void testMapKeysConvertingToStream() {
@ -58,7 +48,7 @@ public class KTableMapKeysTest { @@ -58,7 +48,7 @@ public class KTableMapKeysTest {
String topic1 = "topic_map_keys";
KTable<Integer, String> table1 = builder.table(topic1, Consumed.with(integerSerde, stringSerde));
KTable<Integer, String> table1 = builder.table(topic1, Consumed.with(Serdes.Integer(), Serdes.String()));
final Map<Integer, String> keyMap = new HashMap<>();
keyMap.put(1, "ONE");
@ -82,11 +72,11 @@ public class KTableMapKeysTest { @@ -82,11 +72,11 @@ public class KTableMapKeysTest {
convertedStream.process(supplier);
driver.setUp(builder, stateDir);
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props)) {
for (int i = 0; i < originalKeys.length; i++) {
driver.process(topic1, originalKeys[i], values[i]);
driver.pipeInput(recordFactory.create(topic1, originalKeys[i], values[i]));
}
}
driver.flushState();
assertEquals(3, supplier.theCapturedProcessor().processed.size());

61
streams/src/test/java/org/apache/kafka/streams/kstream/internals/SessionWindowedKStreamImplTest.java
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@ -18,10 +18,12 @@ @@ -18,10 +18,12 @@
package org.apache.kafka.streams.kstream.internals;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.common.serialization.StringSerializer;
import org.apache.kafka.common.utils.Bytes;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.streams.KeyValue;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.TopologyTestDriver;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.streams.kstream.ForeachAction;
import org.apache.kafka.streams.kstream.KStream;
import org.apache.kafka.streams.kstream.Materialized;
@ -31,20 +33,19 @@ import org.apache.kafka.streams.kstream.SessionWindowedKStream; @@ -31,20 +33,19 @@ import org.apache.kafka.streams.kstream.SessionWindowedKStream;
import org.apache.kafka.streams.kstream.SessionWindows;
import org.apache.kafka.streams.kstream.Windowed;
import org.apache.kafka.streams.state.SessionStore;
import org.apache.kafka.test.KStreamTestDriver;
import org.apache.kafka.streams.test.ConsumerRecordFactory;
import org.apache.kafka.test.MockAggregator;
import org.apache.kafka.test.MockInitializer;
import org.apache.kafka.test.MockReducer;
import org.apache.kafka.test.StreamsTestUtils;
import org.apache.kafka.test.TestUtils;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
@ -53,9 +54,9 @@ public class SessionWindowedKStreamImplTest { @@ -53,9 +54,9 @@ public class SessionWindowedKStreamImplTest {
private static final String TOPIC = "input";
private final StreamsBuilder builder = new StreamsBuilder();
private final ConsumerRecordFactory<String, String> recordFactory = new ConsumerRecordFactory<>(new StringSerializer(), new StringSerializer());
private final Properties props = StreamsTestUtils.topologyTestConfig(Serdes.String(), Serdes.String());
@Rule
public final KStreamTestDriver driver = new KStreamTestDriver();
private final Merger<String, String> sessionMerger = new Merger<String, String>() {
@Override
public String apply(final String aggKey, final String aggOne, final String aggTwo) {
@ -83,7 +84,9 @@ public class SessionWindowedKStreamImplTest { @@ -83,7 +84,9 @@ public class SessionWindowedKStreamImplTest {
}
});
processData();
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
}
assertThat(results.get(new Windowed<>("1", new SessionWindow(10, 15))), equalTo(2L));
assertThat(results.get(new Windowed<>("2", new SessionWindow(600, 600))), equalTo(1L));
assertThat(results.get(new Windowed<>("1", new SessionWindow(600, 600))), equalTo(1L));
@ -101,7 +104,9 @@ public class SessionWindowedKStreamImplTest { @@ -101,7 +104,9 @@ public class SessionWindowedKStreamImplTest {
}
});
processData();
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
}
assertThat(results.get(new Windowed<>("1", new SessionWindow(10, 15))), equalTo("1+2"));
assertThat(results.get(new Windowed<>("2", new SessionWindow(600, 600))), equalTo("1"));
assertThat(results.get(new Windowed<>("1", new SessionWindow(600, 600))), equalTo("3"));
@ -121,33 +126,36 @@ public class SessionWindowedKStreamImplTest { @@ -121,33 +126,36 @@ public class SessionWindowedKStreamImplTest {
results.put(key, value);
}
});
processData();
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
}
assertThat(results.get(new Windowed<>("1", new SessionWindow(10, 15))), equalTo("0+0+1+2"));
assertThat(results.get(new Windowed<>("2", new SessionWindow(600, 600))), equalTo("0+1"));
assertThat(results.get(new Windowed<>("1", new SessionWindow(600, 600))), equalTo("0+3"));
}
@SuppressWarnings("unchecked")
@Test
public void shouldMaterializeCount() {
stream.count(Materialized.<String, Long, SessionStore<Bytes, byte[]>>as("count-store"));
processData();
final SessionStore<String, Long> store = (SessionStore<String, Long>) driver.allStateStores().get("count-store");
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
final SessionStore<String, Long> store = driver.getSessionStore("count-store");
final List<KeyValue<Windowed<String>, Long>> data = StreamsTestUtils.toList(store.fetch("1", "2"));
assertThat(data, equalTo(Arrays.asList(
KeyValue.pair(new Windowed<>("1", new SessionWindow(10, 15)), 2L),
KeyValue.pair(new Windowed<>("1", new SessionWindow(600, 600)), 1L),
KeyValue.pair(new Windowed<>("2", new SessionWindow(600, 600)), 1L))));
}
}
@SuppressWarnings("unchecked")
@Test
public void shouldMaterializeReduced() {
stream.reduce(MockReducer.STRING_ADDER, Materialized.<String, String, SessionStore<Bytes, byte[]>>as("reduced"));
processData();
final SessionStore<String, String> sessionStore = (SessionStore<String, String>) driver.allStateStores().get("reduced");
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
final SessionStore<String, String> sessionStore = driver.getSessionStore("reduced");
final List<KeyValue<Windowed<String>, String>> data = StreamsTestUtils.toList(sessionStore.fetch("1", "2"));
assertThat(data, equalTo(Arrays.asList(
@ -155,8 +163,8 @@ public class SessionWindowedKStreamImplTest { @@ -155,8 +163,8 @@ public class SessionWindowedKStreamImplTest {
KeyValue.pair(new Windowed<>("1", new SessionWindow(600, 600)), "3"),
KeyValue.pair(new Windowed<>("2", new SessionWindow(600, 600)), "1"))));
}
}
@SuppressWarnings("unchecked")
@Test
public void shouldMaterializeAggregated() {
stream.aggregate(MockInitializer.STRING_INIT,
@ -164,14 +172,16 @@ public class SessionWindowedKStreamImplTest { @@ -164,14 +172,16 @@ public class SessionWindowedKStreamImplTest {
sessionMerger,
Materialized.<String, String, SessionStore<Bytes, byte[]>>as("aggregated").withValueSerde(Serdes.String()));
processData();
final SessionStore<String, String> sessionStore = (SessionStore<String, String>) driver.allStateStores().get("aggregated");
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
final SessionStore<String, String> sessionStore = driver.getSessionStore("aggregated");
final List<KeyValue<Windowed<String>, String>> data = StreamsTestUtils.toList(sessionStore.fetch("1", "2"));
assertThat(data, equalTo(Arrays.asList(
KeyValue.pair(new Windowed<>("1", new SessionWindow(10, 15)), "0+0+1+2"),
KeyValue.pair(new Windowed<>("1", new SessionWindow(600, 600)), "0+3"),
KeyValue.pair(new Windowed<>("2", new SessionWindow(600, 600)), "0+1"))));
}
}
@Test(expected = NullPointerException.class)
public void shouldThrowNullPointerOnAggregateIfInitializerIsNull() {
@ -243,16 +253,11 @@ public class SessionWindowedKStreamImplTest { @@ -243,16 +253,11 @@ public class SessionWindowedKStreamImplTest {
stream.count(null);
}
private void processData() {
driver.setUp(builder, TestUtils.tempDirectory(), 0);
driver.setTime(10);
driver.process(TOPIC, "1", "1");
driver.setTime(15);
driver.process(TOPIC, "1", "2");
driver.setTime(600);
driver.process(TOPIC, "1", "3");
driver.process(TOPIC, "2", "1");
driver.flushState();
private void processData(final TopologyTestDriver driver) {
driver.pipeInput(recordFactory.create(TOPIC, "1", "1", 10));
driver.pipeInput(recordFactory.create(TOPIC, "1", "2", 15));
driver.pipeInput(recordFactory.create(TOPIC, "1", "3", 600));
driver.pipeInput(recordFactory.create(TOPIC, "2", "1", 600));
}
}

65
streams/src/test/java/org/apache/kafka/streams/kstream/internals/TimeWindowedKStreamImplTest.java
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@ -18,32 +18,33 @@ @@ -18,32 +18,33 @@
package org.apache.kafka.streams.kstream.internals;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.common.serialization.StringSerializer;
import org.apache.kafka.common.utils.Bytes;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.streams.KeyValue;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.TopologyTestDriver;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.streams.kstream.ForeachAction;
import org.apache.kafka.streams.kstream.KStream;
import org.apache.kafka.streams.kstream.Materialized;
import org.apache.kafka.streams.kstream.Serialized;
import org.apache.kafka.streams.kstream.TimeWindowedKStream;
import org.apache.kafka.streams.kstream.TimeWindows;
import org.apache.kafka.streams.kstream.Windowed;
import org.apache.kafka.streams.kstream.TimeWindowedKStream;
import org.apache.kafka.streams.state.WindowStore;
import org.apache.kafka.test.KStreamTestDriver;
import org.apache.kafka.streams.test.ConsumerRecordFactory;
import org.apache.kafka.test.MockAggregator;
import org.apache.kafka.test.MockInitializer;
import org.apache.kafka.test.MockReducer;
import org.apache.kafka.test.StreamsTestUtils;
import org.apache.kafka.test.TestUtils;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
@ -52,9 +53,8 @@ public class TimeWindowedKStreamImplTest { @@ -52,9 +53,8 @@ public class TimeWindowedKStreamImplTest {
private static final String TOPIC = "input";
private final StreamsBuilder builder = new StreamsBuilder();
@Rule
public final KStreamTestDriver driver = new KStreamTestDriver();
private final ConsumerRecordFactory<String, String> recordFactory = new ConsumerRecordFactory<>(new StringSerializer(), new StringSerializer());
private final Properties props = StreamsTestUtils.topologyTestConfig(Serdes.String(), Serdes.String());
private TimeWindowedKStream<String, String> windowedStream;
@Before
@ -76,7 +76,9 @@ public class TimeWindowedKStreamImplTest { @@ -76,7 +76,9 @@ public class TimeWindowedKStreamImplTest {
}
});
processData();
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
}
assertThat(results.get(new Windowed<>("1", new TimeWindow(0, 500))), equalTo(2L));
assertThat(results.get(new Windowed<>("2", new TimeWindow(500, 1000))), equalTo(1L));
assertThat(results.get(new Windowed<>("1", new TimeWindow(500, 1000))), equalTo(1L));
@ -95,7 +97,9 @@ public class TimeWindowedKStreamImplTest { @@ -95,7 +97,9 @@ public class TimeWindowedKStreamImplTest {
}
});
processData();
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
}
assertThat(results.get(new Windowed<>("1", new TimeWindow(0, 500))), equalTo("1+2"));
assertThat(results.get(new Windowed<>("2", new TimeWindow(500, 1000))), equalTo("1"));
assertThat(results.get(new Windowed<>("1", new TimeWindow(500, 1000))), equalTo("3"));
@ -115,29 +119,32 @@ public class TimeWindowedKStreamImplTest { @@ -115,29 +119,32 @@ public class TimeWindowedKStreamImplTest {
results.put(key, value);
}
});
processData();
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
}
assertThat(results.get(new Windowed<>("1", new TimeWindow(0, 500))), equalTo("0+1+2"));
assertThat(results.get(new Windowed<>("2", new TimeWindow(500, 1000))), equalTo("0+1"));
assertThat(results.get(new Windowed<>("1", new TimeWindow(500, 1000))), equalTo("0+3"));
}
@SuppressWarnings("unchecked")
@Test
public void shouldMaterializeCount() {
windowedStream.count(Materialized.<String, Long, WindowStore<Bytes, byte[]>>as("count-store")
.withKeySerde(Serdes.String())
.withValueSerde(Serdes.Long()));
processData();
final WindowStore<String, Long> windowStore = (WindowStore<String, Long>) driver.allStateStores().get("count-store");
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
final WindowStore<String, Long> windowStore = driver.getWindowStore("count-store");
final List<KeyValue<Windowed<String>, Long>> data = StreamsTestUtils.toList(windowStore.fetch("1", "2", 0, 1000));
assertThat(data, equalTo(Arrays.asList(
KeyValue.pair(new Windowed<>("1", new TimeWindow(0, 500)), 2L),
KeyValue.pair(new Windowed<>("1", new TimeWindow(500, 1000)), 1L),
KeyValue.pair(new Windowed<>("2", new TimeWindow(500, 1000)), 1L))));
}
}
@SuppressWarnings("unchecked")
@Test
public void shouldMaterializeReduced() {
windowedStream.reduce(MockReducer.STRING_ADDER,
@ -145,8 +152,9 @@ public class TimeWindowedKStreamImplTest { @@ -145,8 +152,9 @@ public class TimeWindowedKStreamImplTest {
.withKeySerde(Serdes.String())
.withValueSerde(Serdes.String()));
processData();
final WindowStore<String, String> windowStore = (WindowStore<String, String>) driver.allStateStores().get("reduced");
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
final WindowStore<String, String> windowStore = driver.getWindowStore("reduced");
final List<KeyValue<Windowed<String>, String>> data = StreamsTestUtils.toList(windowStore.fetch("1", "2", 0, 1000));
assertThat(data, equalTo(Arrays.asList(
@ -154,8 +162,8 @@ public class TimeWindowedKStreamImplTest { @@ -154,8 +162,8 @@ public class TimeWindowedKStreamImplTest {
KeyValue.pair(new Windowed<>("1", new TimeWindow(500, 1000)), "3"),
KeyValue.pair(new Windowed<>("2", new TimeWindow(500, 1000)), "1"))));
}
}
@SuppressWarnings("unchecked")
@Test
public void shouldMaterializeAggregated() {
windowedStream.aggregate(MockInitializer.STRING_INIT,
@ -164,14 +172,16 @@ public class TimeWindowedKStreamImplTest { @@ -164,14 +172,16 @@ public class TimeWindowedKStreamImplTest {
.withKeySerde(Serdes.String())
.withValueSerde(Serdes.String()));
processData();
final WindowStore<String, String> windowStore = (WindowStore<String, String>) driver.allStateStores().get("aggregated");
try (final TopologyTestDriver driver = new TopologyTestDriver(builder.build(), props, 0L)) {
processData(driver);
final WindowStore<String, String> windowStore = driver.getWindowStore("aggregated");
final List<KeyValue<Windowed<String>, String>> data = StreamsTestUtils.toList(windowStore.fetch("1", "2", 0, 1000));
assertThat(data, equalTo(Arrays.asList(
KeyValue.pair(new Windowed<>("1", new TimeWindow(0, 500)), "0+1+2"),
KeyValue.pair(new Windowed<>("1", new TimeWindow(500, 1000)), "0+3"),
KeyValue.pair(new Windowed<>("2", new TimeWindow(500, 1000)), "0+1"))));
}
}
@Test(expected = NullPointerException.class)
public void shouldThrowNullPointerOnAggregateIfInitializerIsNull() {
@ -227,16 +237,11 @@ public class TimeWindowedKStreamImplTest { @@ -227,16 +237,11 @@ public class TimeWindowedKStreamImplTest {
windowedStream.count(null);
}
private void processData() {
driver.setUp(builder, TestUtils.tempDirectory(), 0);
driver.setTime(10);
driver.process(TOPIC, "1", "1");
driver.setTime(15);
driver.process(TOPIC, "1", "2");
driver.setTime(500);
driver.process(TOPIC, "1", "3");
driver.process(TOPIC, "2", "1");
driver.flushState();
private void processData(final TopologyTestDriver driver) {
driver.pipeInput(recordFactory.create(TOPIC, "1", "1", 10L));
driver.pipeInput(recordFactory.create(TOPIC, "1", "2", 15L));
driver.pipeInput(recordFactory.create(TOPIC, "1", "3", 500L));
driver.pipeInput(recordFactory.create(TOPIC, "2", "1", 500L));
}
}
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