[GitHub] [flink] walterddr commented on a change in pull request #8097: [BP-1.8][FLINK-12075][yarn] Set RestOptions.BIND_PORT only to 0 if not specified

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walterddr commented on a change in pull request #8097: [BP-1.8][FLINK-12075][yarn] Set RestOptions.BIND_PORT only to 0 if not specified
URL: https://github.com/apache/flink/pull/8097#discussion_r271081429
 
 

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 File path: flink-yarn/src/test/java/org/apache/flink/yarn/entrypoint/YarnEntrypointUtilsTest.java
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+/*
+ * 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.yarn.entrypoint;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.configuration.RestOptions;
+import org.apache.flink.runtime.clusterframework.BootstrapTools;
+import org.apache.flink.util.TestLogger;
+
+import org.apache.hadoop.yarn.api.ApplicationConstants;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Nonnull;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Tests for the {@link YarnEntrypointUtils}.
+ */
+public class YarnEntrypointUtilsTest extends TestLogger {
+
+	private static final Logger LOG = LoggerFactory.getLogger(YarnEntrypointUtilsTest.class);
+
+	@ClassRule
+	public static final TemporaryFolder TEMPORARY_FOLDER = new TemporaryFolder();
+
+	/**
+	 * Tests that the REST ports are correctly set when loading a {@link Configuration}
+	 * with unspecified REST options.
+	 */
+	@Test
+	public void testRestPortOptionsUnspecified() throws IOException {
+		final File workingDirectory = TEMPORARY_FOLDER.newFolder();
+		final Configuration initialConfiguration = new Configuration();
+
+		final Configuration configuration = loadConfiguration(workingDirectory, initialConfiguration);
+
+		// having not specified the ports should set the rest bind port to 0
+		assertThat(configuration.getString(RestOptions.BIND_PORT), is(equalTo("0")));
+	}
+
+	/**
+	 * Tests that the binding REST port is set to the REST port if set.
+	 */
+	@Test
+	public void testRestPortSpecified() throws IOException {
+		final File workingDirectory = TEMPORARY_FOLDER.newFolder();
+		final Configuration initialConfiguration = new Configuration();
+		final int port = 1337;
+		initialConfiguration.setInteger(RestOptions.PORT, port);
+
+		final Configuration configuration = loadConfiguration(workingDirectory, initialConfiguration);
+
+		// having not specified the ports should set the rest bind port to 0
+		assertThat(configuration.getString(RestOptions.BIND_PORT), is(equalTo(String.valueOf(port))));
+	}
+
+	/**
+	 * Tests that the binding REST port has precedence over the REST port if both are set.
+	 */
+	@Test
+	public void testRestPortAndBindingPortSpecified() throws IOException {
+		final File workingDirectory = TEMPORARY_FOLDER.newFolder();
+		final Configuration initialConfiguration = new Configuration();
+		final int port = 1337;
+		final String bindingPortRange = "1337-7331";
+		initialConfiguration.setInteger(RestOptions.PORT, port);
+		initialConfiguration.setString(RestOptions.BIND_PORT, bindingPortRange);
+
+		final Configuration configuration = loadConfiguration(workingDirectory, initialConfiguration);
+
+		// having not specified the ports should set the rest bind port to 0
 
 Review comment:
   remove incorrect comment?

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