| /* |
| * 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.commons.cli.bug; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.fail; |
| |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.commons.cli.CommandLineParser; |
| import org.apache.commons.cli.MissingArgumentException; |
| import org.apache.commons.cli.Option; |
| import org.apache.commons.cli.Options; |
| import org.apache.commons.cli.PosixParser; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| @SuppressWarnings("deprecation") // tests some deprecated classes |
| public class BugCLI71Test { |
| private Options options; |
| private CommandLineParser parser; |
| |
| @BeforeEach |
| public void setUp() { |
| options = new Options(); |
| |
| final Option algorithm = new Option("a", "algo", true, "the algorithm which it to perform executing"); |
| algorithm.setArgName("algorithm name"); |
| options.addOption(algorithm); |
| |
| final Option key = new Option("k", "key", true, "the key the setted algorithm uses to process"); |
| algorithm.setArgName("value"); |
| options.addOption(key); |
| |
| parser = new PosixParser(); |
| } |
| |
| @Test |
| public void testBasic() throws Exception { |
| final String[] args = {"-a", "Caesar", "-k", "A"}; |
| final CommandLine line = parser.parse(options, args); |
| assertEquals("Caesar", line.getOptionValue("a")); |
| assertEquals("A", line.getOptionValue("k")); |
| } |
| |
| @Test |
| public void testGetsDefaultIfOptional() throws Exception { |
| final String[] args = {"-k", "-a", "Caesar"}; |
| options.getOption("k").setOptionalArg(true); |
| final CommandLine line = parser.parse(options, args); |
| |
| assertEquals("Caesar", line.getOptionValue("a")); |
| assertEquals("a", line.getOptionValue('k', "a")); |
| } |
| |
| @Test |
| public void testLackOfError() throws Exception { |
| final String[] args = {"-k", "-a", "Caesar"}; |
| try { |
| parser.parse(options, args); |
| fail("MissingArgumentException expected"); |
| } catch (final MissingArgumentException e) { |
| assertEquals("k", e.getOption().getOpt(), "option missing an argument"); |
| } |
| } |
| |
| @Test |
| public void testMistakenArgument() throws Exception { |
| String[] args = {"-a", "Caesar", "-k", "A"}; |
| CommandLine line = parser.parse(options, args); |
| args = new String[] {"-a", "Caesar", "-k", "a"}; |
| line = parser.parse(options, args); |
| assertEquals("Caesar", line.getOptionValue("a")); |
| assertEquals("a", line.getOptionValue("k")); |
| } |
| |
| } |