@Rule public ExpectedException exception = ExpectedException.none(); @Test public void throwsIllegalArgumentExceptionIfIconIsNull() { // 발생할 예외에 대한 조건 기술 exception.expect(IllegalArgumentException.class); exception.expectMessage("Negative value not allowed"); ClassToBeTested t = new ClassToBeTested(); t.methodToBeTest(-1); }
@Rule public TemporaryFolder folder = new TemporaryFolder(); // ... File createdFolder = folder.newFolder("newfolder"); File createdFile = folder.newFile("myfilefile.txt");
public static class UsesExternalResource { Server myServer = new Server(); @Rule public ExternalResource resource = new ExternalResource() { @Override protected void before() throws Throwable { myServer.connect(); }; @Override protected void after() { myServer.disconnect(); }; }; @Test public void testFoo() { new Client().run(myServer); } }