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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,3 @@ | ||
| # This file is generated by the 'io.freefair.lombok' Gradle plugin | ||
| config.stopBubbling = true | ||
| lombok.addLombokGeneratedAnnotation = true |
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136 changes: 136 additions & 0 deletions
136
error-handling-avro/src/test/java/com/bakdata/kafka/AvroDeadLetterProcessorTest.java
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| /* | ||
| * MIT License | ||
| * | ||
| * Copyright (c) 2022 bakdata | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| package com.bakdata.kafka; | ||
|
|
||
| import static org.mockito.ArgumentMatchers.any; | ||
| import static org.mockito.Mockito.when; | ||
|
|
||
| import io.confluent.kafka.streams.serdes.avro.SpecificAvroSerde; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Properties; | ||
| import org.apache.kafka.clients.producer.ProducerRecord; | ||
| import org.apache.kafka.common.serialization.Serde; | ||
| import org.apache.kafka.common.serialization.Serdes; | ||
| import org.apache.kafka.streams.KeyValue; | ||
| import org.apache.kafka.streams.StreamsBuilder; | ||
| import org.apache.kafka.streams.StreamsConfig; | ||
| import org.apache.kafka.streams.kstream.Consumed; | ||
| import org.apache.kafka.streams.kstream.KStream; | ||
| import org.apache.kafka.streams.kstream.KeyValueMapper; | ||
| import org.apache.kafka.streams.kstream.Produced; | ||
| import org.assertj.core.api.SoftAssertions; | ||
| import org.assertj.core.api.junit.jupiter.InjectSoftAssertions; | ||
| import org.assertj.core.api.junit.jupiter.SoftAssertionsExtension; | ||
| import org.jooq.lambda.Seq; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.ExtendWith; | ||
| import org.mockito.Mock; | ||
| import org.mockito.junit.jupiter.MockitoExtension; | ||
| import org.mockito.junit.jupiter.MockitoSettings; | ||
| import org.mockito.quality.Strictness; | ||
|
|
||
| @ExtendWith(MockitoExtension.class) | ||
| @ExtendWith(SoftAssertionsExtension.class) | ||
| @MockitoSettings(strictness = Strictness.STRICT_STUBS) | ||
| class AvroDeadLetterProcessorTest extends ErrorCaptureTopologyTest { | ||
| private static final String ERROR_TOPIC = "errors"; | ||
| private static final String OUTPUT_TOPIC = "output"; | ||
| private static final String INPUT_TOPIC = "input"; | ||
| private static final Serde<String> STRING_SERDE = Serdes.String(); | ||
| private static final String DEAD_LETTER_DESCRIPTION = "Description"; | ||
| private static final String ERROR_MESSAGE = "ERROR!"; | ||
| @InjectSoftAssertions | ||
| private SoftAssertions softly; | ||
| @Mock | ||
| private KeyValueMapper<Integer, String, KeyValue<Integer, String>> mapper; | ||
|
|
||
| @Override | ||
| protected void buildTopology(final StreamsBuilder builder) { | ||
| final KStream<Integer, String> input = builder.stream(INPUT_TOPIC, Consumed.with(null, STRING_SERDE)); | ||
| final KStream<Integer, ProcessedKeyValue<Integer, String, String>> mapped = | ||
| input.map(ErrorCapturingKeyValueMapper.captureErrors(this.mapper)); | ||
| mapped.flatMapValues(ProcessedKeyValue::getValues) | ||
| .to(OUTPUT_TOPIC, Produced.valueSerde(STRING_SERDE)); | ||
| mapped.flatMap(ProcessedKeyValue::getErrors) | ||
| .processValues(AvroDeadLetterConverter.asProcessor(DEAD_LETTER_DESCRIPTION)) | ||
| .to(ERROR_TOPIC); | ||
| } | ||
|
|
||
| @Override | ||
| protected Properties getKafkaProperties() { | ||
| final Properties kafkaProperties = super.getKafkaProperties(); | ||
| kafkaProperties.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, SpecificAvroSerde.class); | ||
| return kafkaProperties; | ||
| } | ||
|
|
||
| @Test | ||
| void shouldConvertAndSerializeAvroDeadLetter() { | ||
| when(this.mapper.apply(any(), any())).thenThrow(new RuntimeException(ERROR_MESSAGE)); | ||
| this.createTopology(); | ||
| this.topology.input(INPUT_TOPIC).withValueSerde(STRING_SERDE) | ||
| .add(1, "foo") | ||
| .add(2, "bar"); | ||
|
|
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| final List<ProducerRecord<Integer, String>> records = Seq.seq(this.topology.streamOutput(OUTPUT_TOPIC) | ||
| .withValueSerde(STRING_SERDE)) | ||
| .toList(); | ||
| this.softly.assertThat(records) | ||
| .isEmpty(); | ||
|
|
||
| final List<ProducerRecord<Integer, DeadLetter>> errors = Seq.seq(this.topology.streamOutput(ERROR_TOPIC) | ||
| .withValueType(DeadLetter.class)) | ||
| .toList(); | ||
|
|
||
| this.softly.assertThat(errors) | ||
| .hasSize(2) | ||
| .extracting(ProducerRecord::value).allSatisfy( | ||
| deadLetter -> { | ||
| this.softly.assertThat(deadLetter.getDescription()).isEqualTo(DEAD_LETTER_DESCRIPTION); | ||
| this.softly.assertThat(deadLetter.getCause().getMessage()).hasValue(ERROR_MESSAGE); | ||
| this.softly.assertThat(deadLetter.getCause().getErrorClass()) | ||
| .hasValue(RuntimeException.class.getCanonicalName()); | ||
| // We don't check the exact stack trace, but only that it consists of multiple lines | ||
| this.softly.assertThat(deadLetter.getCause().getStackTrace()).map(s -> Arrays.asList(s.split("\n"))) | ||
| .get().asList().hasSizeGreaterThan(1); | ||
| this.softly.assertThat(deadLetter.getTopic()).hasValue(INPUT_TOPIC); | ||
| this.softly.assertThat(deadLetter.getPartition()).hasValue(0); | ||
| } | ||
| ); | ||
| this.softly.assertThat(errors).extracting(ProducerRecord::value).element(0).satisfies( | ||
| deadLetter -> { | ||
| this.softly.assertThat(deadLetter.getInputValue()).hasValue("foo"); | ||
| this.softly.assertThat(deadLetter.getOffset()).hasValue(0L); | ||
| } | ||
| ); | ||
| this.softly.assertThat(errors).extracting(ProducerRecord::value).element(1).satisfies( | ||
| deadLetter -> { | ||
| this.softly.assertThat(deadLetter.getInputValue()).hasValue("bar"); | ||
| this.softly.assertThat(deadLetter.getOffset()).hasValue(1L); | ||
| } | ||
| ); | ||
|
|
||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,3 @@ | ||
| # This file is generated by the 'io.freefair.lombok' Gradle plugin | ||
| config.stopBubbling = true | ||
| lombok.addLombokGeneratedAnnotation = true |
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