308217a76a8c001c1b99944017080840

一个类似于log4j的小软件

package cn.edu.nju.software.sd.cll.test;

public class DPTestCase {
	import java.io.FileNotFoundException;
	import java.io.FileReader;
	import java.io.FileWriter;
	import java.io.IOException;

//	import junit.framework.TestCase;
	import main.cn.edu.nju.software.sd.cll.Level;
	import main.cn.edu.nju.software.sd.cll.Logger;

	public class DPTestCase extends TestCase {

		private Logger parentLogger;
		private Logger implChildLogger;
		private Logger noimplChildLogger;

		private String parentFileName = "C:/cll/parent.txt";
		private String implChildFileName = "C:/cll/implChild.txt";

		// parentLogger: name-- cn.edu.nju.swi.test
		// level--trace format-- %n-%e-%f-%s-%t-%m destination-- C:/CLL/parent.txt
		// implChildLogger: name-- cn.edu.nju.swi.test.impl
		// level--fatal format-- %n-%e-%f-%m
		// destination-- C:/CLL/implChild.txt, Console
		protected void setUp() throws Exception {
			super.setUp();

			setupFile();

			parentLogger = Logger.getLogger("cn.edu.nju.swi.test");
			implChildLogger = Logger.getLogger("cn.edu.nju.swi.test.impl");
			noimplChildLogger = Logger.getLogger("cn.edu.nju.swi.test.noimpl");

			parentLogger.log(Level.TRACE, "parent trace");
			parentLogger.log(Level.DEBUG, "parent debug");
			parentLogger.log(Level.INFO, "parent info");
			parentLogger.log(Level.WARNING, "parent warning");
			parentLogger.log(Level.ERROR, "parent error");
			parentLogger.log(Level.FATAL, "parent fatal");

			implChildLogger.log(Level.TRACE, "implchild trace");
			implChildLogger.log(Level.DEBUG, "implchild debug");
			implChildLogger.log(Level.INFO, "implchild info");
			implChildLogger.log(Level.WARNING, "implchild warning");
			implChildLogger.log(Level.ERROR, "implchild error");
			implChildLogger.log(Level.FATAL, "implchild fatal");

			noimplChildLogger.log(Level.TRACE, "implnochild trace");
			noimplChildLogger.log(Level.DEBUG, "implnochild debug");
			noimplChildLogger.log(Level.INFO, "implnochild info");
			noimplChildLogger.log(Level.WARNING, "implnochild warning");
			noimplChildLogger.log(Level.ERROR, "implnochild error");
			noimplChildLogger.log(Level.FATAL, "implnochild fatal");

		}

		public void testLevel() {
			String parentContent = readFile(parentFileName);
			assertTrue(parentContent != null
					&& parentContent.indexOf("parent trace") != -1
					&& parentContent.indexOf("parent debug") != -1
					&& parentContent.indexOf("parent info") != -1
					&& parentContent.indexOf("parent warning") != -1
					&& parentContent.indexOf("parent error") != -1
					&& parentContent.indexOf("parent fatal") != -1);
			assertTrue(parentContent != null
					&& parentContent.indexOf("implnochild trace") != -1
					&& parentContent.indexOf("implnochild debug") != -1
					&& parentContent.indexOf("implnochild info") != -1
					&& parentContent.indexOf("implnochild warning") != -1
					&& parentContent.indexOf("implnochild error") != -1
					&& parentContent.indexOf("implnochild fatal") != -1);

			String implChildContent = readFile(implChildFileName);
			assertTrue(implChildContent != null
					&& implChildContent.indexOf("implchild trace") == -1
					&& implChildContent.indexOf("implchild debug") == -1
					&& implChildContent.indexOf("implchild info") == -1
					&& implChildContent.indexOf("implchild warning") == -1
					&& implChildContent.indexOf("implchild error") == -1
					&& implChildContent.indexOf("implchild fatal") != -1);
		}

		// %n-%e-%f-%m
		public void testFormat() {
			String implChildContent = readFile(implChildFileName);
			if (implChildContent != null) {
				assertTrue(implChildContent
						.toLowerCase()
						.indexOf(
								"cn.edu.nju.swi.test.impl-fatal-setup-implchild fatal") != -1);
			}
		}

		public void testDestination() {
			String parentContent = readFile(parentFileName);
			String implChildContent = readFile(implChildFileName);

			assertTrue(parentContent.indexOf("cn.edu.nju.swi.test-") != -1);
			assertTrue(parentContent.indexOf("cn.edu.nju.swi.test.noimpl-") != -1);

			assertNotNull(implChildContent);

			// 手工检测implChild有控制台输出, 在每个test的junit report中可以看到
		}

		private String readFile(String filename) {
			try {
				FileReader reader = new FileReader(filename);
				char[] cbuf = new char[100];
				StringBuffer result = new StringBuffer();
				while (reader.read(cbuf) != -1) {
					result.append(cbuf);
				}
				return new String(result);
			} catch (FileNotFoundException e) {
				assertEquals("The file exists.", "The file" + filename
						+ "doesn't exist.");
			} catch (IOException e) {
				assertEquals("No exception.", "I/O Read file" + filename
						+ " exception.");
			}

			return null;
		}

		public void setupFile() throws IOException {
			FileWriter parentWriter = new FileWriter(parentFileName);
			parentWriter.append("");
			parentWriter.flush();

			FileWriter childWriter = new FileWriter(implChildFileName);
			childWriter.append("");
			childWriter.flush();
		}
	}

}