package de.juplo.kafka.wordcount.counter;
-import org.apache.kafka.streams.*;
+import de.juplo.kafka.wordcount.splitter.TestInputWord;
+import de.juplo.kafka.wordcount.top10.TestOutputWord;
+import de.juplo.kafka.wordcount.top10.TestOutputWordCounter;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.common.serialization.StringSerializer;
+import org.apache.kafka.streams.TestInputTopic;
+import org.apache.kafka.streams.TestOutputTopic;
+import org.apache.kafka.streams.Topology;
+import org.apache.kafka.streams.TopologyTestDriver;
import org.apache.kafka.streams.state.Stores;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.springframework.kafka.support.serializer.JsonDeserializer;
-import org.springframework.kafka.support.serializer.JsonSerde;
import org.springframework.kafka.support.serializer.JsonSerializer;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Properties;
-
-import static de.juplo.kafka.wordcount.counter.TestData.convertToMap;
+import static de.juplo.kafka.wordcount.counter.CounterApplicationConfiguriation.serializationConfig;
+@Slf4j
public class CounterStreamProcessorTopologyTest
{
public final static String IN = "TEST-IN";
public final static String OUT = "TEST-OUT";
- @Test
- public void test()
+
+ TopologyTestDriver testDriver;
+ TestInputTopic<String, TestInputWord> in;
+ TestOutputTopic<TestOutputWord, TestOutputWordCounter> out;
+
+
+ @BeforeEach
+ public void setUpTestDriver()
{
Topology topology = CounterStreamProcessor.buildTopology(
IN,
OUT,
Stores.inMemoryKeyValueStore("TOPOLOGY-TEST"));
- CounterApplicationConfiguriation applicationConfiguriation =
- new CounterApplicationConfiguriation();
- Properties streamProcessorProperties =
- applicationConfiguriation.streamProcessorProperties(new CounterApplicationProperties());
- Map<String, Object> propertyMap = convertToMap(streamProcessorProperties);
-
- JsonSerde<?> keySerde = new JsonSerde<>();
- keySerde.configure(propertyMap, true);
- JsonSerde<?> valueSerde = new JsonSerde<>();
- valueSerde.configure(propertyMap, false);
-
- TopologyTestDriver testDriver = new TopologyTestDriver(topology, streamProcessorProperties);
+ testDriver = new TopologyTestDriver(topology, serializationConfig());
- TestInputTopic<String, Word> in = testDriver.createInputTopic(
+ in = testDriver.createInputTopic(
IN,
- (JsonSerializer<String>)keySerde.serializer(),
- (JsonSerializer<Word>)valueSerde.serializer());
+ new StringSerializer(),
+ new JsonSerializer().noTypeInfo());
- TestOutputTopic<Word, WordCount> out = testDriver.createOutputTopic(
+ out = testDriver.createOutputTopic(
OUT,
- (JsonDeserializer<Word>)keySerde.deserializer(),
- (JsonDeserializer<WordCount>)valueSerde.deserializer());
+ new JsonDeserializer()
+ .copyWithType(TestOutputWord.class)
+ .ignoreTypeHeaders(),
+ new JsonDeserializer()
+ .copyWithType(TestOutputWordCounter.class)
+ .ignoreTypeHeaders());
+ }
+
- TestData.writeInputData((key, value) -> in.pipeInput(key, value));
+ @Test
+ public void test()
+ {
+ TestData
+ .getInputMessages()
+ .forEach(kv -> in.pipeInput(kv.key, kv.value));
- List<KeyValue<Word,WordCount>> receivedMessages = out
+ MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages = new LinkedMultiValueMap<>();
+ out
.readRecordsToList()
- .stream()
- .map(record -> KeyValue.pair(record.key(), record.value()))
- .toList();
+ .forEach(record -> receivedMessages.add(record.key(), record.value()));
+
+ TestData.assertExpectedMessages(receivedMessages);
+ }
- TestData.assertExpectedResult(receivedMessages);
+ @AfterEach
+ public void tearDown()
+ {
+ testDriver.close();
}
}