Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2013 Brien L. Wheeler (brienwheeler@yahoo.com) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.brienwheeler.apps.main; import java.util.ArrayList; import java.util.Arrays; import org.junit.Assert; import org.junit.Test; import org.springframework.test.util.ReflectionTestUtils; import com.brienwheeler.lib.util.ValidationException; public class MainBaseTest { private static final String ONE = "1"; private static final String TWO = "2"; private static final String P = "-p"; @Test(expected = ValidationException.class) public void testConstructNull() { new Main1(null); } @Test public void testConstruct() { Main1 main = new Main1(new String[0]); CommandLine commandLine = (CommandLine) ReflectionTestUtils.getField(main, "commandLine"); Assert.assertFalse(commandLine.hasMoreArgs()); } @Test public void testProcessArgs() { String[] args = new String[] { ONE, TWO }; Main1 main = new Main1(args); main.run(); ArrayList<String> processedArgs = main.getProcessedArgs(); Assert.assertTrue(Arrays.equals(args, processedArgs.toArray(new String[processedArgs.size()]))); } @Test(expected = IllegalArgumentException.class) public void testFailArgs() { String[] args = new String[] { ONE, TWO }; Main1 main = new Main1(args); main.failArgProcessing = true; main.run(); } @Test public void testSkipBaseArgs() { String[] args = new String[] { P, TestDataConstants.PROPS_FILE1 }; Main1 main = new Main1(args); main.dontUseBastOpts(); System.clearProperty(TestDataConstants.PROPS_FILE1_PROP); Assert.assertNull(System.getProperty(TestDataConstants.PROPS_FILE1_PROP)); main.run(); Assert.assertNull(System.getProperty(TestDataConstants.PROPS_FILE1_PROP)); ArrayList<String> processedArgs = main.getProcessedArgs(); Assert.assertTrue(Arrays.equals(args, processedArgs.toArray(new String[processedArgs.size()]))); } @Test public void testProcessBaseArgs() { String[] args = new String[] { P, TestDataConstants.PROPS_FILE1 }; Main1 main = new Main1(args); System.clearProperty(TestDataConstants.PROPS_FILE1_PROP); Assert.assertNull(System.getProperty(TestDataConstants.PROPS_FILE1_PROP)); main.run(); Assert.assertEquals(TestDataConstants.PROPS_FILE1_VALUE, System.getProperty(TestDataConstants.PROPS_FILE1_PROP)); ArrayList<String> processedArgs = main.getProcessedArgs(); Assert.assertTrue(processedArgs.isEmpty()); } private static class Main1 extends MainBase { private final ArrayList<String> processedArgs = new ArrayList<String>(); public boolean failArgProcessing = false; public Main1(String[] args) { super(args); } @Override protected void onRun() { } @Override protected boolean processCommandLineOption(CommandLine commandLine) { if (failArgProcessing) return false; if (super.processCommandLineOption(commandLine)) return true; processedArgs.add(commandLine.getNextArg()); return true; } public ArrayList<String> getProcessedArgs() { return processedArgs; } public void dontUseBastOpts() { setUseBaseOpts(false); } } }