Java tutorial
/* * 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 eagle.dataproc.util; import junit.framework.Assert; import org.apache.commons.cli.ParseException; import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.Map; /** * @since 8/23/15 */ public class TestConfigOptionParser { private final static Logger LOG = LoggerFactory.getLogger(TestConfigOptionParser.class); @Test public void testValidCommandArguments() throws ParseException { String[] arguments = new String[] { "-D", "key1=value1", "-D", "key2=value2", "-D", "key3=value3=something", "-D", "key4=", "-D", "key5=\"--param having whitespace\"" }; Map<String, String> config = new ConfigOptionParser().parseConfig(arguments); Assert.assertTrue(config.containsKey("key1")); Assert.assertTrue(config.containsKey("key2")); Assert.assertTrue(config.containsKey("key3")); Assert.assertTrue(config.containsKey("key4")); Assert.assertEquals("value1", config.get("key1")); Assert.assertEquals("value2", config.get("key2")); Assert.assertEquals("value3=something", config.get("key3")); Assert.assertEquals("", config.get("key4")); Assert.assertEquals("\"--param having whitespace", config.get("key5")); } @Test public void testValidCommandArgumentsAsSystem() throws ParseException { String[] arguments = new String[] { "-D", "key1=value1", "-D", "key2=value2", "-D", "key3=value3=something", "-D", "key4=", }; new ConfigOptionParser().load(arguments); Assert.assertTrue(System.getProperties().containsKey("key1")); Assert.assertTrue(System.getProperties().containsKey("key2")); Assert.assertTrue(System.getProperties().containsKey("key3")); Assert.assertTrue(System.getProperties().containsKey("key4")); Assert.assertEquals("value1", System.getProperty("key1")); Assert.assertEquals("value2", System.getProperty("key2")); Assert.assertEquals("value3=something", System.getProperty("key3")); Assert.assertEquals("", System.getProperty("key4")); } @Test public void testInvalidCommandArgument1() { String[] arguments = new String[] { "-D", "key1" }; try { new ConfigOptionParser().parseConfig(arguments); Assert.fail("Should throw ParseException"); } catch (ParseException e) { LOG.info("Expected exception: " + e.getMessage()); } } @Test public void testInvalidCommandArgument2() { String[] arguments = new String[] { "-D", "=value" }; try { new ConfigOptionParser().parseConfig(arguments); Assert.fail("Should throw ParseException"); } catch (ParseException e) { LOG.info("Expected exception: " + e.getMessage()); } } }