[
https://issues.apache.org/jira/browse/FLINK-10800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16677924#comment-16677924
]
ASF GitHub Bot commented on FLINK-10800:
----------------------------------------
pnowojski closed pull request #7031: [FLINK-10800][network][test] Abstract
StreamPartitionerTest for common codes
URL: https://github.com/apache/flink/pull/7031
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/BroadcastPartitionerTest.java
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/BroadcastPartitionerTest.java
index 307700530dd..63a45fde064 100644
---
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/BroadcastPartitionerTest.java
+++
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/BroadcastPartitionerTest.java
@@ -35,15 +35,14 @@
private BroadcastPartitioner<Tuple> broadcastPartitioner2;
private BroadcastPartitioner<Tuple> broadcastPartitioner3;
- private StreamRecord<Tuple> streamRecord = new
StreamRecord<Tuple>(null);
- private SerializationDelegate<StreamRecord<Tuple>> sd = new
SerializationDelegate<StreamRecord<Tuple>>(null);
+ private StreamRecord<Tuple> streamRecord = new StreamRecord<>(null);
+ private SerializationDelegate<StreamRecord<Tuple>>
serializationDelegate = new SerializationDelegate<>(null);
@Before
public void setPartitioner() {
- broadcastPartitioner1 = new BroadcastPartitioner<Tuple>();
- broadcastPartitioner2 = new BroadcastPartitioner<Tuple>();
- broadcastPartitioner3 = new BroadcastPartitioner<Tuple>();
-
+ broadcastPartitioner1 = new BroadcastPartitioner<>();
+ broadcastPartitioner2 = new BroadcastPartitioner<>();
+ broadcastPartitioner3 = new BroadcastPartitioner<>();
}
@Test
@@ -51,9 +50,11 @@ public void testSelectChannels() {
int[] first = new int[] { 0 };
int[] second = new int[] { 0, 1 };
int[] sixth = new int[] { 0, 1, 2, 3, 4, 5 };
- sd.setInstance(streamRecord);
- assertArrayEquals(first,
broadcastPartitioner1.selectChannels(sd, 1));
- assertArrayEquals(second,
broadcastPartitioner2.selectChannels(sd, 2));
- assertArrayEquals(sixth,
broadcastPartitioner3.selectChannels(sd, 6));
+
+ serializationDelegate.setInstance(streamRecord);
+
+ assertArrayEquals(first,
broadcastPartitioner1.selectChannels(serializationDelegate, 1));
+ assertArrayEquals(second,
broadcastPartitioner2.selectChannels(serializationDelegate, 2));
+ assertArrayEquals(sixth,
broadcastPartitioner3.selectChannels(serializationDelegate, 6));
}
}
diff --git
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/ForwardPartitionerTest.java
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/ForwardPartitionerTest.java
index 2ecf17b9e1d..9b84b1238b1 100644
---
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/ForwardPartitionerTest.java
+++
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/ForwardPartitionerTest.java
@@ -18,42 +18,23 @@
package org.apache.flink.streaming.runtime.partitioner;
import org.apache.flink.api.java.tuple.Tuple;
-import org.apache.flink.runtime.plugable.SerializationDelegate;
-import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
-import org.junit.Before;
import org.junit.Test;
-import static org.junit.Assert.assertEquals;
-
/**
* Tests for {@link ForwardPartitioner}.
*/
-public class ForwardPartitionerTest {
-
- private ForwardPartitioner<Tuple> forwardPartitioner;
- private StreamRecord<Tuple> streamRecord = new
StreamRecord<Tuple>(null);
- private SerializationDelegate<StreamRecord<Tuple>> sd = new
SerializationDelegate<StreamRecord<Tuple>>(
- null);
+public class ForwardPartitionerTest extends StreamPartitionerTest {
- @Before
- public void setPartitioner() {
- forwardPartitioner = new ForwardPartitioner<Tuple>();
- }
-
- @Test
- public void testSelectChannelsLength() {
- sd.setInstance(streamRecord);
- assertEquals(1, forwardPartitioner.selectChannels(sd,
1).length);
- assertEquals(1, forwardPartitioner.selectChannels(sd,
2).length);
- assertEquals(1, forwardPartitioner.selectChannels(sd,
1024).length);
+ @Override
+ public StreamPartitioner<Tuple> createPartitioner() {
+ return new ForwardPartitioner<>();
}
@Test
public void testSelectChannelsInterval() {
- sd.setInstance(streamRecord);
- assertEquals(0, forwardPartitioner.selectChannels(sd, 1)[0]);
- assertEquals(0, forwardPartitioner.selectChannels(sd, 2)[0]);
- assertEquals(0, forwardPartitioner.selectChannels(sd, 1024)[0]);
+ assertSelectedChannel(0, 1);
+ assertSelectedChannel(0, 2);
+ assertSelectedChannel(0, 1024);
}
}
diff --git
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/GlobalPartitionerTest.java
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/GlobalPartitionerTest.java
index 5d023c84bb4..b382f3e6ea8 100644
---
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/GlobalPartitionerTest.java
+++
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/GlobalPartitionerTest.java
@@ -18,37 +18,23 @@
package org.apache.flink.streaming.runtime.partitioner;
import org.apache.flink.api.java.tuple.Tuple;
-import org.apache.flink.runtime.plugable.SerializationDelegate;
-import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
-import org.junit.Before;
import org.junit.Test;
-import static org.junit.Assert.assertArrayEquals;
-
/**
* Tests for {@link GlobalPartitioner}.
*/
-public class GlobalPartitionerTest {
-
- private GlobalPartitioner<Tuple> globalPartitioner;
- private StreamRecord<Tuple> streamRecord = new
StreamRecord<Tuple>(null);
- private SerializationDelegate<StreamRecord<Tuple>> sd = new
SerializationDelegate<StreamRecord<Tuple>>(
- null);
+public class GlobalPartitionerTest extends StreamPartitionerTest {
- @Before
- public void setPartitioner() {
- globalPartitioner = new GlobalPartitioner<Tuple>();
+ @Override
+ public StreamPartitioner<Tuple> createPartitioner() {
+ return new GlobalPartitioner<>();
}
@Test
public void testSelectChannels() {
- int[] result = new int[] { 0 };
-
- sd.setInstance(streamRecord);
-
- assertArrayEquals(result, globalPartitioner.selectChannels(sd,
1));
- assertArrayEquals(result, globalPartitioner.selectChannels(sd,
2));
- assertArrayEquals(result, globalPartitioner.selectChannels(sd,
1024));
+ assertSelectedChannel(0, 1);
+ assertSelectedChannel(0, 2);
+ assertSelectedChannel(0, 1024);
}
}
diff --git
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/KeyGroupStreamPartitionerTest.java
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/KeyGroupStreamPartitionerTest.java
index a57e6f47d70..07b57217221 100644
---
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/KeyGroupStreamPartitionerTest.java
+++
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/KeyGroupStreamPartitionerTest.java
@@ -35,14 +35,14 @@
public class KeyGroupStreamPartitionerTest extends TestLogger {
private KeyGroupStreamPartitioner<Tuple2<String, Integer>, String>
keyGroupPartitioner;
- private StreamRecord<Tuple2<String, Integer>> streamRecord1 = new
StreamRecord<Tuple2<String, Integer>>(new Tuple2<String, Integer>("test", 0));
- private StreamRecord<Tuple2<String, Integer>> streamRecord2 = new
StreamRecord<Tuple2<String, Integer>>(new Tuple2<String, Integer>("test", 42));
- private SerializationDelegate<StreamRecord<Tuple2<String, Integer>>>
sd1 = new SerializationDelegate<StreamRecord<Tuple2<String, Integer>>>(null);
- private SerializationDelegate<StreamRecord<Tuple2<String, Integer>>>
sd2 = new SerializationDelegate<StreamRecord<Tuple2<String, Integer>>>(null);
+ private StreamRecord<Tuple2<String, Integer>> streamRecord1 = new
StreamRecord<>(new Tuple2<>("test", 0));
+ private StreamRecord<Tuple2<String, Integer>> streamRecord2 = new
StreamRecord<>(new Tuple2<>("test", 42));
+ private SerializationDelegate<StreamRecord<Tuple2<String, Integer>>>
serializationDelegate1 = new SerializationDelegate<>(null);
+ private SerializationDelegate<StreamRecord<Tuple2<String, Integer>>>
serializationDelegate2 = new SerializationDelegate<>(null);
@Before
public void setPartitioner() {
- keyGroupPartitioner = new
KeyGroupStreamPartitioner<Tuple2<String, Integer>, String>(new
KeySelector<Tuple2<String, Integer>, String>() {
+ keyGroupPartitioner = new KeyGroupStreamPartitioner<>(new
KeySelector<Tuple2<String, Integer>, String>() {
private static final long serialVersionUID = 1L;
@@ -56,22 +56,23 @@ public String getKey(Tuple2<String, Integer> value) throws
Exception {
@Test
public void testSelectChannelsLength() {
- sd1.setInstance(streamRecord1);
- assertEquals(1, keyGroupPartitioner.selectChannels(sd1,
1).length);
- assertEquals(1, keyGroupPartitioner.selectChannels(sd1,
2).length);
- assertEquals(1, keyGroupPartitioner.selectChannels(sd1,
1024).length);
+ serializationDelegate1.setInstance(streamRecord1);
+
+ assertEquals(1,
keyGroupPartitioner.selectChannels(serializationDelegate1, 1).length);
+ assertEquals(1,
keyGroupPartitioner.selectChannels(serializationDelegate1, 2).length);
+ assertEquals(1,
keyGroupPartitioner.selectChannels(serializationDelegate1, 1024).length);
}
@Test
public void testSelectChannelsGrouping() {
- sd1.setInstance(streamRecord1);
- sd2.setInstance(streamRecord2);
+ serializationDelegate1.setInstance(streamRecord1);
+ serializationDelegate2.setInstance(streamRecord2);
- assertArrayEquals(keyGroupPartitioner.selectChannels(sd1, 1),
- keyGroupPartitioner.selectChannels(sd2, 1));
- assertArrayEquals(keyGroupPartitioner.selectChannels(sd1, 2),
- keyGroupPartitioner.selectChannels(sd2, 2));
- assertArrayEquals(keyGroupPartitioner.selectChannels(sd1, 1024),
- keyGroupPartitioner.selectChannels(sd2, 1024));
+
assertArrayEquals(keyGroupPartitioner.selectChannels(serializationDelegate1, 1),
+
keyGroupPartitioner.selectChannels(serializationDelegate2, 1));
+
assertArrayEquals(keyGroupPartitioner.selectChannels(serializationDelegate1, 2),
+
keyGroupPartitioner.selectChannels(serializationDelegate2, 2));
+
assertArrayEquals(keyGroupPartitioner.selectChannels(serializationDelegate1,
1024),
+
keyGroupPartitioner.selectChannels(serializationDelegate2, 1024));
}
}
diff --git
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/RebalancePartitionerTest.java
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/RebalancePartitionerTest.java
index 0cf022b3f27..f5ed0aa815a 100644
---
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/RebalancePartitionerTest.java
+++
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/RebalancePartitionerTest.java
@@ -18,46 +18,29 @@
package org.apache.flink.streaming.runtime.partitioner;
import org.apache.flink.api.java.tuple.Tuple;
-import org.apache.flink.runtime.plugable.SerializationDelegate;
-import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
-import org.junit.Before;
import org.junit.Test;
-import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* Tests for {@link RebalancePartitioner}.
*/
-public class RebalancePartitionerTest {
+public class RebalancePartitionerTest extends StreamPartitionerTest {
- private RebalancePartitioner<Tuple> distributePartitioner;
- private StreamRecord<Tuple> streamRecord = new
StreamRecord<Tuple>(null);
- private SerializationDelegate<StreamRecord<Tuple>> sd = new
SerializationDelegate<StreamRecord<Tuple>>(
- null);
-
- @Before
- public void setPartitioner() {
- distributePartitioner = new RebalancePartitioner<Tuple>();
- }
-
- @Test
- public void testSelectChannelsLength() {
- sd.setInstance(streamRecord);
- assertEquals(1, distributePartitioner.selectChannels(sd,
1).length);
- assertEquals(1, distributePartitioner.selectChannels(sd,
2).length);
- assertEquals(1, distributePartitioner.selectChannels(sd,
1024).length);
+ @Override
+ public StreamPartitioner<Tuple> createPartitioner() {
+ return new RebalancePartitioner<>();
}
@Test
public void testSelectChannelsInterval() {
- sd.setInstance(streamRecord);
- int initialChannel = distributePartitioner.selectChannels(sd,
3)[0];
+ int initialChannel =
streamPartitioner.selectChannels(serializationDelegate, 3)[0];
assertTrue(0 <= initialChannel);
assertTrue(3 > initialChannel);
- assertEquals((initialChannel + 1) % 3,
distributePartitioner.selectChannels(sd, 3)[0]);
- assertEquals((initialChannel + 2) % 3,
distributePartitioner.selectChannels(sd, 3)[0]);
- assertEquals((initialChannel + 3) % 3,
distributePartitioner.selectChannels(sd, 3)[0]);
+
+ assertSelectedChannel((initialChannel + 1) % 3, 3);
+ assertSelectedChannel((initialChannel + 2) % 3, 3);
+ assertSelectedChannel((initialChannel + 3) % 3, 3);
}
}
diff --git
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/RescalePartitionerTest.java
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/RescalePartitionerTest.java
index 01d88ef1a87..212ffbd335c 100644
---
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/RescalePartitionerTest.java
+++
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/RescalePartitionerTest.java
@@ -36,16 +36,12 @@
import org.apache.flink.runtime.jobgraph.JobGraph;
import org.apache.flink.runtime.jobgraph.JobVertex;
import org.apache.flink.runtime.jobmanager.scheduler.Scheduler;
-import org.apache.flink.runtime.plugable.SerializationDelegate;
import org.apache.flink.runtime.testingUtils.TestingUtils;
import org.apache.flink.streaming.api.datastream.DataStream;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.api.functions.source.ParallelSourceFunction;
-import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
import org.apache.flink.util.Collector;
-import org.apache.flink.util.TestLogger;
-import org.junit.Before;
import org.junit.Test;
import java.util.HashMap;
@@ -62,33 +58,19 @@
* Tests for {@link RescalePartitioner}.
*/
@SuppressWarnings("serial")
-public class RescalePartitionerTest extends TestLogger {
+public class RescalePartitionerTest extends StreamPartitionerTest {
- private RescalePartitioner<Tuple> distributePartitioner;
- private StreamRecord<Tuple> streamRecord = new
StreamRecord<Tuple>(null);
- private SerializationDelegate<StreamRecord<Tuple>> sd = new
SerializationDelegate<StreamRecord<Tuple>>(
- null);
-
- @Before
- public void setPartitioner() {
- distributePartitioner = new RescalePartitioner<Tuple>();
- }
-
- @Test
- public void testSelectChannelsLength() {
- sd.setInstance(streamRecord);
- assertEquals(1, distributePartitioner.selectChannels(sd,
1).length);
- assertEquals(1, distributePartitioner.selectChannels(sd,
2).length);
- assertEquals(1, distributePartitioner.selectChannels(sd,
1024).length);
+ @Override
+ public StreamPartitioner<Tuple> createPartitioner() {
+ return new RescalePartitioner<>();
}
@Test
public void testSelectChannelsInterval() {
- sd.setInstance(streamRecord);
- assertEquals(0, distributePartitioner.selectChannels(sd, 3)[0]);
- assertEquals(1, distributePartitioner.selectChannels(sd, 3)[0]);
- assertEquals(2, distributePartitioner.selectChannels(sd, 3)[0]);
- assertEquals(0, distributePartitioner.selectChannels(sd, 3)[0]);
+ assertSelectedChannel(0, 3);
+ assertSelectedChannel(1, 3);
+ assertSelectedChannel(2, 3);
+ assertSelectedChannel(0, 3);
}
@Test
diff --git
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/ShufflePartitionerTest.java
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/ShufflePartitionerTest.java
index 238ec4b3fa2..5198ecf7ac9 100644
---
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/ShufflePartitionerTest.java
+++
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/ShufflePartitionerTest.java
@@ -18,47 +18,33 @@
package org.apache.flink.streaming.runtime.partitioner;
import org.apache.flink.api.java.tuple.Tuple;
-import org.apache.flink.runtime.plugable.SerializationDelegate;
-import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
-import org.junit.Before;
import org.junit.Test;
-import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* Tests for {@link ShufflePartitioner}.
*/
-public class ShufflePartitionerTest {
+public class ShufflePartitionerTest extends StreamPartitionerTest {
- private ShufflePartitioner<Tuple> shufflePartitioner;
- private StreamRecord<Tuple> streamRecord = new
StreamRecord<Tuple>(null);
- private SerializationDelegate<StreamRecord<Tuple>> sd = new
SerializationDelegate<StreamRecord<Tuple>>(
- null);
-
- @Before
- public void setPartitioner() {
- shufflePartitioner = new ShufflePartitioner<Tuple>();
- }
-
- @Test
- public void testSelectChannelsLength() {
- sd.setInstance(streamRecord);
- assertEquals(1, shufflePartitioner.selectChannels(sd,
1).length);
- assertEquals(1, shufflePartitioner.selectChannels(sd,
2).length);
- assertEquals(1, shufflePartitioner.selectChannels(sd,
1024).length);
+ @Override
+ public StreamPartitioner<Tuple> createPartitioner() {
+ return new ShufflePartitioner<>();
}
@Test
public void testSelectChannelsInterval() {
- sd.setInstance(streamRecord);
- assertEquals(0, shufflePartitioner.selectChannels(sd, 1)[0]);
+ assertSelectedChannel(0, 1);
+
+ assertTrue(0 <= selectChannel(2));
+ assertTrue(2 > selectChannel(2));
- assertTrue(0 <= shufflePartitioner.selectChannels(sd, 2)[0]);
- assertTrue(2 > shufflePartitioner.selectChannels(sd, 2)[0]);
+ assertTrue(0 <= selectChannel(1024));
+ assertTrue(1024 > selectChannel(1024));
+ }
- assertTrue(0 <= shufflePartitioner.selectChannels(sd, 1024)[0]);
- assertTrue(1024 > shufflePartitioner.selectChannels(sd,
1024)[0]);
+ private int selectChannel(int numberOfChannels) {
+ return streamPartitioner.selectChannels(serializationDelegate,
numberOfChannels)[0];
}
}
diff --git
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/StreamPartitionerTest.java
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/StreamPartitionerTest.java
new file mode 100644
index 00000000000..f98b0a524f5
--- /dev/null
+++
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/partitioner/StreamPartitionerTest.java
@@ -0,0 +1,59 @@
+/*
+ * 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.runtime.partitioner;
+
+import org.apache.flink.api.java.tuple.Tuple;
+import org.apache.flink.runtime.plugable.SerializationDelegate;
+import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
+import org.apache.flink.util.TestLogger;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests for different {@link StreamPartitioner} implementations.
+ */
+public abstract class StreamPartitionerTest extends TestLogger {
+
+ protected final StreamPartitioner<Tuple> streamPartitioner =
createPartitioner();
+ protected final StreamRecord<Tuple> streamRecord = new
StreamRecord<>(null);
+ protected final SerializationDelegate<StreamRecord<Tuple>>
serializationDelegate =
+ new SerializationDelegate<>(null);
+
+ abstract StreamPartitioner<Tuple> createPartitioner();
+
+ @Before
+ public void setup() {
+ serializationDelegate.setInstance(streamRecord);
+ }
+
+ @Test
+ public void testSelectChannelsLength() {
+ assertEquals(1,
streamPartitioner.selectChannels(serializationDelegate, 1).length);
+ assertEquals(1,
streamPartitioner.selectChannels(serializationDelegate, 2).length);
+ assertEquals(1,
streamPartitioner.selectChannels(serializationDelegate, 1024).length);
+ }
+
+ protected void assertSelectedChannel(int expectedChannel, int
numberOfChannels) {
+ int[] actualResult =
streamPartitioner.selectChannels(serializationDelegate, numberOfChannels);
+ assertEquals(1, actualResult.length);
+ assertEquals(expectedChannel, actualResult[0]);
+ }
+}
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> Abstract the StreamPartitionerTest for common codes
> ---------------------------------------------------
>
> Key: FLINK-10800
> URL: https://issues.apache.org/jira/browse/FLINK-10800
> Project: Flink
> Issue Type: Sub-task
> Components: Network, Tests
> Affects Versions: 1.8.0
> Reporter: zhijiang
> Assignee: zhijiang
> Priority: Minor
> Labels: pull-request-available
>
> There are many duplicated codes in current {{ForwardPartitionerTest}},
> {{RescalePartitionerTest}}, {{RebalancePartitionerTest}},
> {{RebalancePartitionerTest}}, etc.
> The {{StreamPartitionerTest}} is defined for abstracting the common codes,
> this is the preparation work for the FLINK-10790.
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