Github user sachingoel0101 commented on a diff in the pull request:
https://github.com/apache/flink/pull/957#discussion_r35967117
--- Diff:
flink-clients/src/test/java/org/apache/flink/client/CliFrontendLoggingTest.java
---
@@ -0,0 +1,114 @@
+/*
+ * 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.client;
+
+import org.apache.flink.configuration.ConfigConstants;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.runtime.StreamingMode;
+import org.apache.flink.runtime.minicluster.LocalFlinkMiniCluster;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.OutputStream;
+import java.io.PrintStream;
+
+import static org.apache.flink.client.CliFrontendTestUtils.getTestJarPath;
+import static org.apache.flink.client.CliFrontendTestUtils.getConfigDir;
+import static org.junit.Assert.fail;
+
+public class CliFrontendLoggingTest {
+
+ private static LocalFlinkMiniCluster cluster;
+ private static Configuration config;
+ private static String hostPort;
+ private ByteArrayOutputStream stream = new ByteArrayOutputStream();
+ private CliFrontend cli;
+ private OutputStream output;
+
+ @Before
+ public void setUp() throws Exception {
+ stream.reset();
+ output = System.out;
+ System.setOut(new PrintStream(stream));
+
+ config = new Configuration();
+ config.setString(ConfigConstants.JOB_MANAGER_IPC_ADDRESS_KEY,
"localhost");
+ config.setInteger(ConfigConstants.TASK_MANAGER_NUM_TASK_SLOTS,
2);
+
config.setInteger(ConfigConstants.LOCAL_INSTANCE_MANAGER_NUMBER_TASK_MANAGER,
1);
+
config.setBoolean(ConfigConstants.LOCAL_INSTANCE_MANAGER_START_WEBSERVER,
false);
+ hostPort =
config.getString(ConfigConstants.JOB_MANAGER_IPC_ADDRESS_KEY, null) + ":" +
+
config.getInteger(ConfigConstants.JOB_MANAGER_IPC_PORT_KEY,
ConfigConstants.DEFAULT_JOB_MANAGER_IPC_PORT);
+
+ try {
+ cluster = new LocalFlinkMiniCluster(config, false,
StreamingMode.BATCH_ONLY);
+ }
+ catch (Exception e) {
+ e.printStackTrace();
+ fail("Setup of test actor system failed.");
+ }
+
+ cli = new CliFrontend(getConfigDir());
+ }
+
+ @After
+ public void shutDownActorSystem() {
+ System.setOut(new PrintStream(output));
--- End diff --
System.setOut only takes a PrintStream as argument.
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