我在使用karate框架测试我的休息服务,效果很好,但是我有一个服务需要从kafka主题中获取消息,然后在mongo上持久化,最后通知kafka。我在我的karate项目上做了一个java producer,它被js调用,被feature使用。
特点。
* def kafkaProducer = read('../js/KafkaProducer.js')
JS:
function(kafkaConfiguration){
var Producer = Java.type('x.y.core.producer.Producer');
var producer = new Producer(kafkaConfiguration);
return producer;
}
Java:
public class Producer {
private static final Logger LOGGER = LoggerFactory.getLogger(Producer.class);
private static final String KEY = "C636E8E238FD7AF97E2E500F8C6F0F4C";
private KafkaConfiguration kafkaConfiguration;
private ObjectMapper mapper;
private AESEncrypter aesEncrypter;
public Producer(KafkaConfiguration kafkaConfiguration) {
kafkaConfiguration.getProperties().put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
kafkaConfiguration.getProperties().put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.ByteArraySerializer");
this.kafkaConfiguration = kafkaConfiguration;
this.mapper = new ObjectMapper();
this.aesEncrypter = new AESEncrypter(KEY);
}
public String produceMessage(String payload) {
// Just notify kafka with payload and return id of payload
}
其他类
public class KafkaConfiguration {
private static final Logger LOGGER = LoggerFactory.getLogger(KafkaConfiguration.class);
private Properties properties;
public KafkaConfiguration(String host) {
try {
properties = new Properties();
properties.put(BOOTSTRAP_SERVERS_CONFIG, host);
properties.put(ConsumerConfig.GROUP_ID_CONFIG, "karate-integration-test");
properties.put(ConsumerConfig.CLIENT_ID_CONFIG, "offset123");
properties.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, true);
properties.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
} catch (Exception e) {
LOGGER.error("Fail creating the consumer...", e);
throw e;
}
}
public Properties getProperties() {
return properties;
}
public void setProperties(Properties properties) {
this.properties = properties;
}
}
我想用生产者代码与anotation,就像cucumber一样。
@Then("^Notify kafka with payload (-?\\d+)$")
public void validateResult(String payload) throws Throwable {
new Producer(kafkaConfiguration).produceMessage(payload);
}
然后在功能上使用
Then Notify kafka with payload "{example:value}"
我想这样做,因为我想在基础项目上重用这些代码,以便在其他项目中包含。
答案很简单,使用正常的Java Maven概念。把常用的Java代码移到 "主 "包中(src/main/java
). 现在你需要做的就是构建一个JAR,并将其作为依赖关系添加到任何Karate项目中。
最后一块拼图是:使用 classpath:
前缀来引用JAR中的任何特性或JS文件。空手道将能够接收到它们。
编辑:抱歉,Karate不支持Cucumber或步骤定义。它有一个更简单的方法。请阅读这个来了解细节。https:/github.comintuitkarateissues398。