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https://issues.apache.org/jira/browse/FLINK-4110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15346750#comment-15346750
]
ASF GitHub Bot commented on FLINK-4110:
---------------------------------------
Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/2153#discussion_r68272113
--- Diff:
flink-quickstart/flink-quickstart-java/src/main/resources/archetype-resources/src/test/java/TestSkeleton.java
---
@@ -0,0 +1,184 @@
+/*
+ * 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 ${package};
+
+
+import org.apache.flink.api.common.functions.FlatMapFunction;
+import org.apache.flink.api.java.tuple.Tuple1;
+import org.apache.flink.configuration.ConfigConstants;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.streaming.api.datastream.DataStream;
+import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.api.functions.source.SourceFunction;
+import org.apache.flink.test.util.ForkableFlinkMiniCluster;
+import org.apache.flink.test.util.SuccessException;
+import org.apache.flink.test.util.TestUtils;
+import org.apache.flink.util.Collector;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Skeleton class showing how to write integration tests against a running
embedded Flink
+ * testing cluster.
+ */
+public class TestSkeleton {
+
+ protected static final Logger LOG =
LoggerFactory.getLogger(TestSkeleton.class);
+ private static ForkableFlinkMiniCluster flink;
+ private static int flinkPort;
+
+ /**
+ * Start a re-usable Flink mini cluster
+ */
+ @BeforeClass
+ public static void setupFlink() {
+ Configuration flinkConfig = new Configuration();
+
flinkConfig.setInteger(ConfigConstants.LOCAL_NUMBER_TASK_MANAGER, 1);
+
flinkConfig.setInteger(ConfigConstants.TASK_MANAGER_NUM_TASK_SLOTS, 8);
+
flinkConfig.setInteger(ConfigConstants.TASK_MANAGER_MEMORY_SIZE_KEY, 16);
+
flinkConfig.setString(ConfigConstants.RESTART_STRATEGY_FIXED_DELAY_DELAY, "0
s");
+
+ flink = new ForkableFlinkMiniCluster(flinkConfig, false);
+ flink.start();
+
+ flinkPort = flink.getLeaderRPCPort();
+ LOG.info("Started a Flink testing cluster on port {}",
flinkPort);
+ }
+
+
+ /**
+ * This test uses a finite stream. The TestingSource will stop after
1000 elements have been send.
--- End diff --
send --> sent
> Provide testing skeleton in quickstarts
> ---------------------------------------
>
> Key: FLINK-4110
> URL: https://issues.apache.org/jira/browse/FLINK-4110
> Project: Flink
> Issue Type: Improvement
> Components: Build System, Quickstarts
> Affects Versions: 1.1.0
> Reporter: Robert Metzger
>
> Users often ask how they can test their Flink code.
> I suggest to provide a very simple skeleton / example in the quickstarts,
> showing how its done.
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