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HttpBridgeTest.java
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HttpBridgeTest.java
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/*
* Copyright 2016, Strimzi authors.
* License: Apache License 2.0 (see the file LICENSE or http://apache.org/licenses/LICENSE-2.0.html).
*/
package io.strimzi.kafka.bridge.http;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.strimzi.kafka.bridge.BridgeContentType;
import io.strimzi.kafka.bridge.HealthChecker;
import io.strimzi.kafka.bridge.KafkaClusterTestBase;
import io.strimzi.kafka.bridge.amqp.AmqpConfig;
import io.strimzi.kafka.bridge.config.BridgeConfig;
import io.strimzi.kafka.bridge.config.KafkaConfig;
import io.strimzi.kafka.bridge.config.KafkaConsumerConfig;
import io.strimzi.kafka.bridge.http.model.HttpBridgeError;
import io.vertx.core.Vertx;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.JsonObject;
import io.vertx.ext.web.client.HttpRequest;
import io.vertx.ext.web.client.HttpResponse;
import io.vertx.ext.web.client.WebClient;
import io.vertx.ext.web.client.WebClientOptions;
import io.vertx.ext.web.codec.BodyCodec;
import io.vertx.junit5.VertxExtension;
import io.vertx.junit5.VertxTestContext;
import io.vertx.kafka.client.consumer.KafkaConsumer;
import io.vertx.kafka.client.consumer.KafkaConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.clients.consumer.OffsetResetStrategy;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.ByteArrayDeserializer;
import org.apache.kafka.common.serialization.ByteArraySerializer;
import org.apache.kafka.common.serialization.StringDeserializer;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.xml.bind.DatatypeConverter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
@ExtendWith(VertxExtension.class)
@SuppressWarnings({"checkstyle:JavaNCSS", "checkstyle:ClassDataAbstractionCoupling"})
class HttpBridgeTest extends KafkaClusterTestBase {
private static final Logger log = LoggerFactory.getLogger(HttpBridgeTest.class);
private static Map<String, Object> config = new HashMap<>();
private static long timeout = 5L;
static {
config.put(AmqpConfig.AMQP_ENABLED, true);
config.put(KafkaConfig.KAFKA_CONFIG_PREFIX + ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
config.put(KafkaConsumerConfig.KAFKA_CONSUMER_CONFIG_PREFIX + ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
config.put(HttpConfig.HTTP_CONSUMER_TIMEOUT, timeout);
config.put(BridgeConfig.BRIDGE_ID, "my-bridge");
}
private static final String BRIDGE_HOST = "127.0.0.1";
private static final int BRIDGE_PORT = 8080;
// for periodic/multiple messages test
private static final int PERIODIC_MAX_MESSAGE = 10;
private static final int PERIODIC_DELAY = 200;
private static final int MULTIPLE_MAX_MESSAGE = 10;
private static final int TEST_TIMEOUT = 60;
private int count;
// for request configuration
private static final long RESPONSE_TIMEOUT = 2000L;
private Vertx vertx;
private HttpBridge httpBridge;
private WebClient client;
private BridgeConfig bridgeConfig;
//HTTP methods with configured Response timeout
private HttpRequest<Buffer> postRequest(String requestURI) {
return client.post(requestURI)
.timeout(RESPONSE_TIMEOUT);
}
private HttpRequest<Buffer> getRequest(String requestURI) {
return client.get(requestURI)
.timeout(RESPONSE_TIMEOUT);
}
private HttpRequest<Buffer> deleteRequest(String requestURI) {
return client.delete(requestURI)
.timeout(RESPONSE_TIMEOUT);
}
@BeforeEach
void before(VertxTestContext context) {
this.vertx = Vertx.vertx();
this.bridgeConfig = BridgeConfig.fromMap(config);
this.httpBridge = new HttpBridge(this.bridgeConfig);
this.httpBridge.setHealthChecker(new HealthChecker());
vertx.deployVerticle(this.httpBridge, context.succeeding(id -> context.completeNow()));
client = WebClient.create(vertx, new WebClientOptions()
.setDefaultHost(BRIDGE_HOST)
.setDefaultPort(BRIDGE_PORT)
);
}
@AfterEach
void after(VertxTestContext context) {
vertx.close(context.succeeding(arg -> context.completeNow()));
}
@Test
void sendSimpleMessage(VertxTestContext context) throws Throwable {
String topic = "sendSimpleMessage";
kafkaCluster.createTopic(topic, 1, 1);
String value = "message-value";
JsonArray records = new JsonArray();
JsonObject json = new JsonObject();
json.put("value", value);
records.add(json);
JsonObject root = new JsonObject();
root.put("records", records);
postRequest("/topics/" + topic)
.putHeader("Content-length", String.valueOf(root.toBuffer().length()))
.putHeader("Content-Type", BridgeContentType.KAFKA_JSON_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(root, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
JsonArray offsets = bridgeResponse.getJsonArray("offsets");
assertEquals(1, offsets.size());
JsonObject metadata = offsets.getJsonObject(0);
assertEquals(0, metadata.getInteger("partition"));
assertEquals(0L, metadata.getLong("offset"));
});
});
Properties config = kafkaCluster.useTo().getConsumerProperties("groupId", null, OffsetResetStrategy.EARLIEST);
KafkaConsumer<String, String> consumer = KafkaConsumer.create(this.vertx, config,
new StringDeserializer(), new KafkaJsonDeserializer<>(String.class));
consumer.handler(record -> {
context.verify(() -> {
assertEquals(value, record.value());
assertEquals(topic, record.topic());
assertEquals(0, record.partition());
assertEquals(0L, record.offset());
assertNull(record.key());
});
log.info("Message consumed topic={} partition={} offset={}, key={}, value={}",
record.topic(), record.partition(), record.offset(), record.key(), record.value());
consumer.close();
context.completeNow();
});
consumer.subscribe(topic, done -> {
if (!done.succeeded()) {
context.failNow(done.cause());
}
});
}
@Test
void sendSimpleMessageToPartition(VertxTestContext context) {
String topic = "sendSimpleMessageToPartition";
kafkaCluster.createTopic(topic, 2, 1);
String value = "message-value";
int partition = 1;
JsonArray records = new JsonArray();
JsonObject json = new JsonObject();
json.put("value", value);
json.put("partition", partition);
records.add(json);
JsonObject root = new JsonObject();
root.put("records", records);
postRequest("/topics/" + topic)
.putHeader("Content-length", String.valueOf(root.toBuffer().length()))
.putHeader("Content-Type", BridgeContentType.KAFKA_JSON_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(root, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
JsonArray offsets = bridgeResponse.getJsonArray("offsets");
assertEquals(1, offsets.size());
JsonObject metadata = offsets.getJsonObject(0);
assertEquals(partition, metadata.getInteger("partition"));
assertEquals(0L, metadata.getLong("offset"));
});
});
Properties config = kafkaCluster.useTo().getConsumerProperties("groupId", null, OffsetResetStrategy.EARLIEST);
KafkaConsumer<String, String> consumer = KafkaConsumer.create(this.vertx, config,
new StringDeserializer(), new KafkaJsonDeserializer<>(String.class));
consumer.handler(record -> {
context.verify(() -> {
assertEquals(value, record.value());
assertEquals(topic, record.topic());
assertEquals(partition, record.partition());
assertEquals(0L, record.offset());
assertNull(record.key());
});
log.info("Message consumed topic={} partition={} offset={}, key={}, value={}",
record.topic(), record.partition(), record.offset(), record.key(), record.value());
consumer.close();
context.completeNow();
});
consumer.subscribe(topic, done -> {
if (!done.succeeded()) {
context.failNow(done.cause());
}
});
}
@Test
void sendSimpleMessageWithKey(VertxTestContext context) {
String topic = "sendSimpleMessageWithKey";
kafkaCluster.createTopic(topic, 2, 1);
String value = "message-value";
String key = "my-key";
JsonArray records = new JsonArray();
JsonObject json = new JsonObject();
json.put("value", value);
json.put("key", key);
records.add(json);
JsonObject root = new JsonObject();
root.put("records", records);
postRequest("/topics/" + topic)
.putHeader("Content-length", String.valueOf(root.toBuffer().length()))
.putHeader("Content-Type", BridgeContentType.KAFKA_JSON_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(root, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
JsonArray offsets = bridgeResponse.getJsonArray("offsets");
assertEquals(1, offsets.size());
JsonObject metadata = offsets.getJsonObject(0);
assertNotNull(metadata.getInteger("partition"));
assertEquals(0L, metadata.getLong("offset"));
});
});
Properties config = kafkaCluster.useTo().getConsumerProperties("groupId", null, OffsetResetStrategy.EARLIEST);
KafkaConsumer<String, String> consumer = KafkaConsumer.create(this.vertx, config,
new KafkaJsonDeserializer<>(String.class), new KafkaJsonDeserializer<>(String.class));
consumer.handler(record -> {
context.verify(() -> {
assertEquals(value, record.value());
assertEquals(topic, record.topic());
assertNotNull(record.partition());
assertEquals(0L, record.offset());
assertEquals(record.key(), key);
});
log.info("Message consumed topic={} partition={} offset={}, key={}, value={}",
record.topic(), record.partition(), record.offset(), record.key(), record.value());
consumer.close();
context.completeNow();
});
consumer.subscribe(topic, done -> {
if (!done.succeeded()) {
context.failNow(done.cause());
}
});
}
@Test
void sendBinaryMessageWithKey(VertxTestContext context) {
String topic = "sendBinaryMessageWithKey";
kafkaCluster.createTopic(topic, 2, 1);
String value = "message-value";
String key = "my-key";
JsonArray records = new JsonArray();
JsonObject json = new JsonObject();
json.put("value", DatatypeConverter.printBase64Binary(value.getBytes()));
json.put("key", DatatypeConverter.printBase64Binary(key.getBytes()));
records.add(json);
JsonObject root = new JsonObject();
root.put("records", records);
postRequest("/topics/" + topic)
.putHeader("Content-length", String.valueOf(root.toBuffer().length()))
.putHeader("Content-Type", BridgeContentType.KAFKA_JSON_BINARY)
.as(BodyCodec.jsonObject())
.sendJsonObject(root, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
JsonArray offsets = bridgeResponse.getJsonArray("offsets");
assertEquals(1, offsets.size());
JsonObject metadata = offsets.getJsonObject(0);
assertNotNull(metadata.getInteger("partition"));
assertEquals(0L, metadata.getLong("offset"));
});
});
Properties config = kafkaCluster.useTo().getConsumerProperties("groupId", null, OffsetResetStrategy.EARLIEST);
KafkaConsumer<byte[], byte[]> consumer = KafkaConsumer.create(this.vertx, config,
new ByteArrayDeserializer(), new ByteArrayDeserializer());
consumer.handler(record -> {
context.verify(() -> {
assertEquals(value, new String(record.value()));
assertEquals(topic, record.topic());
assertNotNull(record.partition());
assertEquals(0L, record.offset());
assertEquals(key, new String(record.key()));
});
log.info("Message consumed topic={} partition={} offset={}, key={}, value={}",
record.topic(), record.partition(), record.offset(), record.key(), record.value());
consumer.close();
context.completeNow();
});
consumer.subscribe(topic, done -> {
if (!done.succeeded()) {
context.failNow(done.cause());
}
});
}
@Test
void sendPeriodicMessage(VertxTestContext context) {
String topic = "sendPeriodicMessage";
kafkaCluster.createTopic(topic, 1, 1);
Properties config = kafkaCluster.useTo().getConsumerProperties("groupId", null, OffsetResetStrategy.EARLIEST);
KafkaConsumer<String, String> consumer = KafkaConsumer.create(this.vertx, config,
new KafkaJsonDeserializer<>(String.class), new KafkaJsonDeserializer<>(String.class));
this.count = 0;
this.vertx.setPeriodic(HttpBridgeTest.PERIODIC_DELAY, timerId -> {
if (this.count < HttpBridgeTest.PERIODIC_MAX_MESSAGE) {
JsonArray records = new JsonArray();
JsonObject json = new JsonObject();
json.put("value", "Periodic message [" + this.count + "]");
json.put("key", "key-" + this.count);
records.add(json);
JsonObject root = new JsonObject();
root.put("records", records);
postRequest("/topics/" + topic)
.putHeader("Content-length", String.valueOf(root.toBuffer().length()))
.putHeader("Content-Type", BridgeContentType.KAFKA_JSON_JSON)
.sendJsonObject(root, ar -> { });
this.count++;
} else {
this.vertx.cancelTimer(timerId);
consumer.subscribe(topic, done -> {
if (!done.succeeded()) {
context.failNow(done.cause());
}
});
}
});
consumer.batchHandler(records -> {
context.verify(() -> {
assertEquals(this.count, records.size());
for (int i = 0; i < records.size(); i++) {
KafkaConsumerRecord<String, String> record = records.recordAt(i);
log.info("Message consumed topic={} partition={} offset={}, key={}, value={}",
record.topic(), record.partition(), record.offset(), record.key(), record.value());
assertEquals(record.value(), "Periodic message [" + i + "]");
assertEquals(topic, record.topic());
assertNotNull(record.partition());
assertNotNull(record.offset());
assertEquals(record.key(), "key-" + i);
}
});
consumer.close();
context.completeNow();
});
consumer.handler(record -> { });
}
@Test
void sendMultipleMessages(VertxTestContext context) {
String topic = "sendMultipleMessages";
kafkaCluster.createTopic(topic, 1, 1);
String value = "message-value";
int numMessages = MULTIPLE_MAX_MESSAGE;
JsonArray records = new JsonArray();
for (int i = 0; i < numMessages; i++) {
JsonObject json = new JsonObject();
json.put("value", value + "-" + i);
records.add(json);
}
JsonObject root = new JsonObject();
root.put("records", records);
postRequest("/topics/" + topic)
.putHeader("Content-length", String.valueOf(root.toBuffer().length()))
.putHeader("Content-Type", BridgeContentType.KAFKA_JSON_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(root, ar -> {
context.verify(() -> assertTrue(ar.succeeded()));
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
JsonArray offsets = bridgeResponse.getJsonArray("offsets");
assertEquals(numMessages, offsets.size());
for (int i = 0; i < numMessages; i++) {
JsonObject metadata = offsets.getJsonObject(i);
assertEquals(0, metadata.getInteger("partition"));
assertNotNull(metadata.getLong("offset"));
}
});
Properties config = kafkaCluster.useTo().getConsumerProperties("groupId", null, OffsetResetStrategy.EARLIEST);
KafkaConsumer<String, String> consumer = KafkaConsumer.create(this.vertx, config,
new StringDeserializer(), new KafkaJsonDeserializer<String>(String.class));
this.count = 0;
consumer.handler(record -> {
context.verify(() -> {
assertEquals(value + "-" + this.count++, record.value());
assertEquals(topic, record.topic());
assertNotNull(record.partition());
assertNotNull(record.offset());
assertNull(record.key());
});
log.info("Message consumed topic={} partition={} offset={}, key={}, value={}",
record.topic(), record.partition(), record.offset(), record.key(), record.value());
if (this.count == numMessages) {
consumer.close();
context.completeNow();
}
});
consumer.subscribe(topic, done -> {
if (!done.succeeded()) {
context.failNow(done.cause());
}
});
}
@Test
void createConsumer(VertxTestContext context) throws InterruptedException {
String name = "my-kafka-consumer";
String groupId = "my-group";
String baseUri = "http://" + BRIDGE_HOST + ":" + BRIDGE_PORT + "/consumers/" + groupId + "/instances/" + name;
JsonObject json = new JsonObject();
json.put("name", name);
json.put("auto.offset.reset", "earliest");
json.put("enable.auto.commit", "true");
json.put("fetch.min.bytes", "100");
postRequest("/consumers/" + groupId)
.putHeader("Content-length", String.valueOf(json.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(json, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
String consumerInstanceId = bridgeResponse.getString("instance_id");
String consumerBaseUri = bridgeResponse.getString("base_uri");
assertEquals(name, consumerInstanceId);
assertEquals(baseUri, consumerBaseUri);
});
context.completeNow();
});
assertTrue(context.awaitCompletion(TEST_TIMEOUT, TimeUnit.SECONDS));
}
@Test
void createConsumerWithForwardedHeaders(VertxTestContext context) throws InterruptedException {
String name = "my-kafka-consumer";
String groupId = "my-group";
// this test emulates a create consumer request coming from an API gateway/proxy
String xForwardedHost = "my-api-gateway-host:443";
String xForwardedProto = "https";
String baseUri = xForwardedProto + "://" + xForwardedHost + "/consumers/" + groupId + "/instances/" + name;
JsonObject json = new JsonObject();
json.put("name", name);
json.put("auto.offset.reset", "earliest");
json.put("enable.auto.commit", "true");
json.put("fetch.min.bytes", "100");
postRequest("/consumers/" + groupId)
.putHeader("Content-length", String.valueOf(json.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.putHeader("X-Forwarded-Host", xForwardedHost)
.putHeader("X-Forwarded-Proto", xForwardedProto)
.as(BodyCodec.jsonObject())
.sendJsonObject(json, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
String consumerInstanceId = bridgeResponse.getString("instance_id");
String consumerBaseUri = bridgeResponse.getString("base_uri");
assertEquals(name, consumerInstanceId);
assertEquals(baseUri, consumerBaseUri);
});
context.completeNow();
});
assertTrue(context.awaitCompletion(TEST_TIMEOUT, TimeUnit.SECONDS));
}
@Test
void createConsumerWithForwardedHeader(VertxTestContext context) throws InterruptedException {
String name = "my-kafka-consumer";
String groupId = "my-group";
// this test emulates a create consumer request coming from an API gateway/proxy
String forwarded = "host=my-api-gateway-host:443;proto=https";
String baseUri = "https://my-api-gateway-host:443/consumers/" + groupId + "/instances/" + name;
JsonObject json = new JsonObject();
json.put("name", name);
json.put("auto.offset.reset", "earliest");
json.put("enable.auto.commit", "true");
json.put("fetch.min.bytes", "100");
postRequest("/consumers/" + groupId)
.putHeader("Content-length", String.valueOf(json.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.putHeader("Forwarded", forwarded)
.as(BodyCodec.jsonObject())
.sendJsonObject(json, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
String consumerInstanceId = bridgeResponse.getString("instance_id");
String consumerBaseUri = bridgeResponse.getString("base_uri");
assertEquals(name, consumerInstanceId);
assertEquals(baseUri, consumerBaseUri);
});
context.completeNow();
});
assertTrue(context.awaitCompletion(TEST_TIMEOUT, TimeUnit.SECONDS));
}
@Test
void createConsumerWithForwardedPathHeader(VertxTestContext context) throws InterruptedException {
String name = "my-kafka-consumer";
String groupId = "my-group";
// this test emulates a create consumer request coming from an API gateway/proxy
String forwarded = "host=my-api-gateway-host:443;proto=https";
String xForwardedPath = "/my-bridge/consumers/" + groupId;
String baseUri = "https://my-api-gateway-host:443/my-bridge/consumers/" + groupId + "/instances/" + name;
JsonObject json = new JsonObject();
json.put("name", name);
json.put("auto.offset.reset", "earliest");
json.put("enable.auto.commit", "true");
json.put("fetch.min.bytes", "100");
postRequest("/consumers/" + groupId)
.putHeader("Content-length", String.valueOf(json.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.putHeader("Forwarded", forwarded)
.putHeader("X-Forwarded-Path", xForwardedPath)
.as(BodyCodec.jsonObject())
.sendJsonObject(json, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
String consumerInstanceId = bridgeResponse.getString("instance_id");
String consumerBaseUri = bridgeResponse.getString("base_uri");
assertEquals(name, consumerInstanceId);
assertEquals(baseUri, consumerBaseUri);
});
context.completeNow();
});
assertTrue(context.awaitCompletion(TEST_TIMEOUT, TimeUnit.SECONDS));
}
@Test
void createConsumerWithForwardedHeaderDefaultPort(VertxTestContext context) throws InterruptedException {
String name = "my-kafka-consumer";
String groupId = "my-group";
// this test emulates a create consumer request coming from an API gateway/proxy
String forwarded = "host=my-api-gateway-host;proto=http";
String baseUri = "http://my-api-gateway-host:80/consumers/" + groupId + "/instances/" + name;
JsonObject json = new JsonObject();
json.put("name", name);
json.put("auto.offset.reset", "earliest");
json.put("enable.auto.commit", "true");
json.put("fetch.min.bytes", "100");
postRequest("/consumers/" + groupId)
.putHeader("Content-length", String.valueOf(json.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.putHeader("Forwarded", forwarded)
.as(BodyCodec.jsonObject())
.sendJsonObject(json, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
String consumerInstanceId = bridgeResponse.getString("instance_id");
String consumerBaseUri = bridgeResponse.getString("base_uri");
assertEquals(name, consumerInstanceId);
assertEquals(baseUri, consumerBaseUri);
});
context.completeNow();
});
assertTrue(context.awaitCompletion(TEST_TIMEOUT, TimeUnit.SECONDS));
}
@Test
void createConsumerWithForwardedHeaderWrongProto(VertxTestContext context) throws InterruptedException {
String name = "my-kafka-consumer";
String groupId = "my-group";
// this test emulates a create consumer request coming from an API gateway/proxy
String forwarded = "host=my-api-gateway-host;proto=mqtt";
JsonObject json = new JsonObject();
json.put("name", name);
json.put("auto.offset.reset", "earliest");
json.put("enable.auto.commit", "true");
json.put("fetch.min.bytes", "100");
postRequest("/consumers/" + groupId)
.putHeader("Content-length", String.valueOf(json.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.putHeader("Forwarded", forwarded)
.as(BodyCodec.jsonObject())
.sendJsonObject(json, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
HttpBridgeError error = HttpBridgeError.fromJson(response.body());
assertEquals(HttpResponseStatus.INTERNAL_SERVER_ERROR.code(), response.statusCode());
assertEquals(HttpResponseStatus.INTERNAL_SERVER_ERROR.code(), error.getCode());
assertEquals("mqtt is not a valid schema/proto.", error.getMessage());
});
context.completeNow();
});
assertTrue(context.awaitCompletion(TEST_TIMEOUT, TimeUnit.SECONDS));
}
@Test
void createConsumerWithWrongParameter(VertxTestContext context) throws InterruptedException {
String name = "my-kafka-consumer";
String groupId = "my-group";
JsonObject json = new JsonObject();
json.put("name", name);
json.put("auto.offset.reset", "foo");
postRequest("/consumers/" + groupId)
.putHeader("Content-length", String.valueOf(json.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(json, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.INTERNAL_SERVER_ERROR.code(), response.statusCode());
HttpBridgeError error = HttpBridgeError.fromJson(response.body());
assertEquals(HttpResponseStatus.INTERNAL_SERVER_ERROR.code(), error.getCode());
assertEquals("Invalid value foo for configuration auto.offset.reset: String must be one of: latest, earliest, none",
error.getMessage());
});
context.completeNow();
});
assertTrue(context.awaitCompletion(TEST_TIMEOUT, TimeUnit.SECONDS));
}
@Test
void receiveSimpleMessage(VertxTestContext context) throws InterruptedException, ExecutionException, TimeoutException {
String topic = "receiveSimpleMessage";
kafkaCluster.createTopic(topic, 1, 1);
String sentBody = "Simple message";
CompletableFuture<Boolean> produce = new CompletableFuture<>();
kafkaCluster.useTo().produce("", 1, new KafkaJsonSerializer(), new KafkaJsonSerializer(),
() -> produce.complete(true), () -> new ProducerRecord<>(topic, 0, null, sentBody));
produce.get(TEST_TIMEOUT, TimeUnit.SECONDS);
String name = "my-kafka-consumer";
String groupId = "my-group";
String baseUri = "http://" + BRIDGE_HOST + ":" + BRIDGE_PORT + "/consumers/" + groupId + "/instances/" + name;
JsonObject json = new JsonObject();
json.put("name", name);
json.put("format", "json");
CompletableFuture<Boolean> create = new CompletableFuture<>();
postRequest("/consumers/" + groupId)
.putHeader("Content-length", String.valueOf(json.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(json, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
String consumerInstanceId = bridgeResponse.getString("instance_id");
String consumerBaseUri = bridgeResponse.getString("base_uri");
assertEquals(name, consumerInstanceId);
assertEquals(baseUri, consumerBaseUri);
});
create.complete(true);
});
create.get(TEST_TIMEOUT, TimeUnit.SECONDS);
// subscribe to a topic
JsonArray topics = new JsonArray();
topics.add(topic);
JsonObject topicsRoot = new JsonObject();
topicsRoot.put("topics", topics);
CompletableFuture<Boolean> subscribe = new CompletableFuture<>();
postRequest(baseUri + "/subscription")
.putHeader("Content-length", String.valueOf(topicsRoot.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(topicsRoot, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
assertEquals(HttpResponseStatus.NO_CONTENT.code(), ar.result().statusCode());
});
subscribe.complete(true);
});
subscribe.get(TEST_TIMEOUT, TimeUnit.SECONDS);
CompletableFuture<Boolean> consume = new CompletableFuture<>();
// consume records
getRequest(baseUri + "/records?timeout=" + 1000)
.putHeader("Accept", BridgeContentType.KAFKA_JSON_JSON)
.as(BodyCodec.jsonArray())
.send(ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonArray> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject jsonResponse = response.body().getJsonObject(0);
String kafkaTopic = jsonResponse.getString("topic");
int kafkaPartition = jsonResponse.getInteger("partition");
String key = jsonResponse.getString("key");
String value = jsonResponse.getString("value");
long offset = jsonResponse.getLong("offset");
assertEquals(topic, kafkaTopic);
assertEquals(sentBody, value);
assertEquals(0L, offset);
assertNotNull(kafkaPartition);
assertNull(key);
});
consume.complete(true);
});
consume.get(TEST_TIMEOUT, TimeUnit.SECONDS);
CompletableFuture<Boolean> delete = new CompletableFuture<>();
// consumer deletion
deleteRequest(baseUri)
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.as(BodyCodec.jsonObject())
.send(ar -> {
context.verify(() -> assertTrue(ar.succeeded()));
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.NO_CONTENT.code(), response.statusCode());
delete.complete(true);
});
delete.get(TEST_TIMEOUT, TimeUnit.SECONDS);
context.completeNow();
assertTrue(context.awaitCompletion(TEST_TIMEOUT, TimeUnit.SECONDS));
}
@Test
void tryReceiveNotValidJsonMessage(VertxTestContext context) throws InterruptedException, ExecutionException, TimeoutException {
String topic = "tryReceiveNotValidJsonMessage";
kafkaCluster.createTopic(topic, 1, 1);
String sentBody = "Simple message";
// send a simple String which is not JSON encoded
CompletableFuture<Boolean> produce = new CompletableFuture<>();
kafkaCluster.useTo().produceStrings(1, () -> produce.complete(true), () ->
new ProducerRecord<>(topic, 0, null, sentBody));
produce.get(TEST_TIMEOUT, TimeUnit.SECONDS);
String name = "my-kafka-consumer";
String groupId = "my-group";
String baseUri = "http://" + BRIDGE_HOST + ":" + BRIDGE_PORT + "/consumers/" + groupId + "/instances/" + name;
JsonObject json = new JsonObject();
json.put("name", name);
json.put("format", "json");
CompletableFuture<Boolean> create = new CompletableFuture<>();
postRequest("/consumers/" + groupId)
.putHeader("Content-length", String.valueOf(json.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(json, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.OK.code(), response.statusCode());
JsonObject bridgeResponse = response.body();
String consumerInstanceId = bridgeResponse.getString("instance_id");
String consumerBaseUri = bridgeResponse.getString("base_uri");
assertEquals(name, consumerInstanceId);
assertEquals(baseUri, consumerBaseUri);
});
create.complete(true);
});
create.get(TEST_TIMEOUT, TimeUnit.SECONDS);
// subscribe to a topic
JsonArray topics = new JsonArray();
topics.add(topic);
JsonObject topicsRoot = new JsonObject();
topicsRoot.put("topics", topics);
CompletableFuture<Boolean> subscribe = new CompletableFuture<>();
postRequest(baseUri + "/subscription")
.putHeader("Content-length", String.valueOf(topicsRoot.toBuffer().length()))
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.as(BodyCodec.jsonObject())
.sendJsonObject(topicsRoot, ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
assertEquals(HttpResponseStatus.NO_CONTENT.code(), ar.result().statusCode());
});
subscribe.complete(true);
});
subscribe.get(TEST_TIMEOUT, TimeUnit.SECONDS);
CompletableFuture<Boolean> consume = new CompletableFuture<>();
// consume records
getRequest(baseUri + "/records?timeout=" + 1000)
.putHeader("Accept", BridgeContentType.KAFKA_JSON_JSON)
.as(BodyCodec.jsonObject())
.send(ar -> {
context.verify(() -> {
assertTrue(ar.succeeded());
HttpResponse<JsonObject> response = ar.result();
HttpBridgeError error = HttpBridgeError.fromJson(response.body());
assertEquals(HttpResponseStatus.NOT_ACCEPTABLE.code(), response.statusCode());
assertEquals(HttpResponseStatus.NOT_ACCEPTABLE.code(), error.getCode());
assertTrue(error.getMessage().startsWith("Failed to decode"));
});
consume.complete(true);
});
consume.get(TEST_TIMEOUT, TimeUnit.SECONDS);
CompletableFuture<Boolean> delete = new CompletableFuture<>();
// consumer deletion
deleteRequest(baseUri)
.putHeader("Content-type", BridgeContentType.KAFKA_JSON)
.as(BodyCodec.jsonObject())
.send(ar -> {
context.verify(() -> assertTrue(ar.succeeded()));
HttpResponse<JsonObject> response = ar.result();
assertEquals(HttpResponseStatus.NO_CONTENT.code(), response.statusCode());
delete.complete(true);
});
delete.get(TEST_TIMEOUT, TimeUnit.SECONDS);
context.completeNow();
assertTrue(context.awaitCompletion(TEST_TIMEOUT, TimeUnit.SECONDS));
}
@Test
void receiveBinaryMessage(VertxTestContext context) throws InterruptedException, ExecutionException, TimeoutException {
String topic = "receiveBinaryMessage";
kafkaCluster.createTopic(topic, 1, 1);
String sentBody = "Simple message";
CompletableFuture<Boolean> produce = new CompletableFuture<>();
kafkaCluster.useTo().produce("", 1, new ByteArraySerializer(), new ByteArraySerializer(),
() -> produce.complete(true), () -> new ProducerRecord<>(topic, 0, null, sentBody.getBytes()));
produce.get(TEST_TIMEOUT, TimeUnit.SECONDS);
String name = "my-kafka-consumer";
String groupId = "my-group";