@Ignore_JUnit - Ignore Test

@Ignore 用法很簡單, 如果你的測試用例還沒有准備好而不想被執行, 又不想刪掉或注釋掉, 可以使用 @Ignore 標注來忽略測試。

• 方法一旦用 @Ignore 注解了將不會被執行.

• 如果一個類用 @Ignore 注解了 他下面的所有測試方法將不會被執行.

看個應用

Create a Class

• Create a java class to be tested say MessageUtil.java in C:\ > JUNIT_WORKSPACE

/*
* This class prints the given message on console.
*/ public class MessageUtil { private String message; //Constructor //@param message to be printed public MessageUtil(String message){ this.message = message; } // prints the message public String printMessage(){ System.out.println(message); return message; } // add "Hi!" to the message public String salutationMessage(){ message = "Hi!" + message; System.out.println(message); return message; } }

Create Test Case Class

• Create a java test class say TestJunit.java.

• Add a test methods testPrintMessage(),testSalutationMessage() to your test class.

• Add an Annotaion @Ignore to method testPrintMessage().

Create a java class file name TestJunit.java in C:\ > JUNIT_WORKSPACE

import org.junit.Test; import org.junit.Ignore; import static org.junit.Assert.assertEquals; public class TestJunit { String message = "Robert"; MessageUtil messageUtil = new MessageUtil(message); @Ignore @Test public void testPrintMessage() { System.out.println("Inside testPrintMessage()"); message = "Robert"; assertEquals(message,messageUtil.printMessage()); } @Test public void testSalutationMessage() { System.out.println("Inside testSalutationMessage()"); message = "Hi!" + "Robert"; assertEquals(message,messageUtil.salutationMessage()); } }

Create Test Runner Class

Create a java class file name TestRunner.java in C:\ > JUNIT_WORKSPACE to execute Test case(s)

import org.junit.runner.JUnitCore; import org.junit.runner.Result; import org.junit.runner.notification.Failure; public class TestRunner { public static void main(String[] args) { Result result = JUnitCore.runClasses(TestJunit.class); for (Failure failure : result.getFailures()) { System.out.println(failure.toString()); } System.out.println(result.wasSuccessful()); } }

Compile the MessageUtil, Test case and Test Runner classes using javac

C:\JUNIT_WORKSPACE>javac MessageUtil.java TestJunit.java TestRunner.java

Now run the Test Runner which will not run testPrintMessage() test case defined in provided Test Case class.

C:\JUNIT_WORKSPACE>java TestRunner

Verify the output. testPrintMessage() test case is not tested.

Inside testSalutationMessage() Hi!Robert true

Now update TestJunit in C:\ > JUNIT_WORKSPACE to ignore all test cases. Add @Ignore at class level

import org.junit.Test; import org.junit.Ignore; import static org.junit.Assert.assertEquals; @Ignore public class TestJunit { String message = "Robert"; MessageUtil messageUtil = new MessageUtil(message); @Test public void testPrintMessage() { System.out.println("Inside testPrintMessage()"); message = "Robert"; assertEquals(message,messageUtil.printMessage()); } @Test public void testSalutationMessage() { System.out.println("Inside testSalutationMessage()"); message = "Hi!" + "Robert"; assertEquals(message,messageUtil.salutationMessage()); } }

Compile the Test case using javac

C:\JUNIT_WORKSPACE>javac TestJunit.java

Keep your Test Runner unchnaged as follows

import org.junit.runner.JUnitCore; import org.junit.runner.Result; import org.junit.runner.notification.Failure; public class TestRunner { public static void main(String[] args) { Result result = JUnitCore.runClasses(TestJunit.class); for (Failure failure : result.getFailures()) { System.out.println(failure.toString()); } System.out.println(result.wasSuccessful()); } }

Now run the Test Runner which will not run any test case defined in provided Test Case class.

C:\JUNIT_WORKSPACE>java TestRunner

Verify the output. No test case is tested.

true