Github user mjsax commented on a diff in the pull request:
https://github.com/apache/flink/pull/1813#discussion_r67622665
--- Diff:
flink-streaming-connectors/flink-connector-redis/src/test/java/org/apache/flink/streaming/connectors/redis/RedisSinkPublishTest.java
---
@@ -0,0 +1,137 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.flink.streaming.connectors.redis;
+
+import org.apache.flink.api.java.tuple.Tuple2;
+import org.apache.flink.streaming.api.datastream.DataStreamSource;
+import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.api.functions.source.SourceFunction;
+import
org.apache.flink.streaming.connectors.redis.common.config.JedisPoolConfig;
+import
org.apache.flink.streaming.connectors.redis.common.mapper.RedisDataType;
+import
org.apache.flink.streaming.connectors.redis.common.mapper.RedisDataTypeDescription;
+import
org.apache.flink.streaming.connectors.redis.common.mapper.RedisMapper;
+
+import redis.clients.jedis.JedisPool;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.Before;
+import org.junit.After;
+import org.junit.Test;
+import redis.clients.jedis.JedisPubSub;
+
+import static org.junit.Assert.assertEquals;
+
+public class RedisSinkPublishTest extends RedisTestBase {
+
+ private static final int NUM_ELEMENTS = 20;
+ private static final String REDIS_CHANNEL = "CHANNEL";
+
+ private static final List<String> sourceList = new ArrayList<>();
+ private Thread sinkThread;
+ private PubSub pubSub;
+
+ @Before
+ public void before() throws Exception {
+ pubSub = new PubSub();
+ sinkThread = new Thread(new Subscribe(pubSub));
+ }
+
+ @Test
+ public void redisSinkTest() throws Exception {
+ sinkThread.start();
+ StreamExecutionEnvironment env =
StreamExecutionEnvironment.getExecutionEnvironment();
+ JedisPoolConfig jedisPoolConfig = new JedisPoolConfig.Builder()
+ .setHost(REDIS_HOST)
+ .setPort(REDIS_PORT).build();
+ DataStreamSource<Tuple2<String, String>> source =
env.addSource(new TestSourceFunction());
+
+ RedisSink<Tuple2<String, String>> redisSink = new
RedisSink<>(jedisPoolConfig, new RedisTestMapper());
+
+ source.addSink(redisSink);
+
+ env.execute("Redis Sink Test");
+
+ assertEquals(NUM_ELEMENTS, sourceList.size());
+ }
+
+ @After
+ public void after() throws Exception {
+ pubSub.unsubscribe();
+ sinkThread.join();
+ sourceList.clear();
+ }
+
+ private class Subscribe implements Runnable {
+ private PubSub localPubSub;
+ private Subscribe(PubSub pubSub){
+ this.localPubSub = pubSub;
+ }
+
+ @Override
+ public void run() {
+ JedisPool pool = new JedisPool(REDIS_HOST, REDIS_PORT);
+ pool.getResource().subscribe(localPubSub, REDIS_CHANNEL);
+ }
+ }
+
+ private static class TestSourceFunction implements
SourceFunction<Tuple2<String, String>> {
+ private static final long serialVersionUID = 1L;
+
+ private volatile boolean running = true;
+
+ @Override
+ public void run(SourceContext<Tuple2<String, String>> ctx) throws
Exception {
+ for (int i = 0; i < NUM_ELEMENTS && running; i++) {
+ ctx.collect(new Tuple2<>(REDIS_CHANNEL, "message #" + i));
+ }
+ }
+
+ @Override
+ public void cancel() {
+ running = false;
+ }
+ }
+
+ public static class PubSub extends JedisPubSub {
+
+ @Override
+ public void onMessage(String channel, String message) {
+ sourceList.add(message);
+ }
+
+ }
+
+ private static class RedisTestMapper implements
RedisMapper<Tuple2<String, String>>{
+
+ @Override
+ public RedisDataTypeDescription getDataTypeDescription() {
+ return new
RedisDataTypeDescription(RedisDataType.PUBSUB);
+ }
+
+ @Override
+ public String getKeyFromData(Tuple2 data) {
+ return String.valueOf(data.f0);
+ }
+
+ @Override
+ public String getValueFromData(Tuple2 data) {
+ return String.valueOf(data.f1);
--- End diff --
return data.f0;
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