junit-catcus

/**数据库测试往往会破坏数据库原有的数据,所以需要stub(桩)测试,
 * 将测试放置到一个不相干单独的空间进行
 * 例子:1.一般数据库测试之前需要将数据库原有数据备份
 *        2.等数据库测试完成操作之后再将数据库原有数据恢复
 *        3.DBunit就是这种工作方式
 * 《stub aren't mock》
 * stub强调状态,mock强调交互
 * sourceforget.net下载jar*/
public class UserStubDao implements IUserDao {

    private Map<String,User> us=new HashMap<String,User>();
    
    @Override
    public void add(User user) {
        us.put(user.getUsername(),user);
    }

    @Override
    public void delete(String username) {
        us.remove(username);
    }

    @Override
    public User load(String username) {
        return us.get(username);
    }

}

///////////////////////
public class TestJettyInCactus {

    public static Test suite(){
        System.setProperty("cactus.contextURL",
                "http://localhost:2323/junit");
        TestSuite suite=new TestSuite();
        suite.addTestSuite(TestLoginServletByCactus.class);
        return new Jetty5xTestSetup(suite);
    }
}
//////////////////////////
/**catcus:catcus主要是基于junit3.8进行操作,并不支持junit4的annotation
        1.导入jar包 
        2.创建servlet的测试类
    只要写一个类继承ServletTestCase,就会拥有相应的request方法
    需要注意一点:此时junit4中的annotation全部不起作用
    就得按照junit3的方式进行:setUp和tearDown,testXXX测试*/
public class TestLoginServletByCactus extends ServletTestCase {

    private LoginServlet servlet;
    public void testSession(){
        session.setAttribute("loginUser",new User());
    }
    /**begin是在客户端执行的*/
    public void beginNoSession(WebRequest request){
        request.setAutomaticSession(false);
        request.addParameter("username","kh");
    }
    /**setUp子服务端执行*/
    public void setUp(){
        servlet=new LoginServlet();
    }
    /**服务器端执行*/
    public void testNoSession(){
        //session.setAttribute("loginUser",new User());
        Assert.assertFalse(servlet.isLogin(request));
        Assert.assertEquals(request.getParameter("username"),"kh");
    }
    
    public void testSessionNoUser(){
        Assert.assertFalse(servlet.isLogin(request));
    }
    public void testSessionHasUser(){
        session.setAttribute("loginUser",new User());
        Assert.assertTrue(servlet.isLogin(request));
    }
    
    public void testDoGet() throws ServletException, IOException{
        servlet.doGet(request,response);
    }
    public void endDoGet(WebResponse reponse){
        try {
            System.out.println(reponse.getTables()[0].getCellAsText(0,0));
            Assert.assertEquals(reponse.getTables()[0].getCellAsText(0,0),
                    "111");
            Assert.assertEquals(reponse.getTables()[0].getCellAsText(0,1),
                    "222");
        } catch (SAXException e) {
            e.printStackTrace();
        }
    }
}
//////////////////////////////////////
public class TestLoginServletByMock {

    private LoginServlet servlet;
    private HttpServletRequest request;
    private HttpSession session;
    
    @Before
    public void setUp(){
        servlet=new LoginServlet();
        request=createStrictMock(HttpServletRequest.class);
        session=createStrictMock(HttpSession.class);
    }
    
    @Test
    public void testSessionIsNull(){
        expect(request.getSession()).andReturn(null);
        
        replay(request,session);
        Assert.assertFalse(servlet.isLogin(request));
        verify(request,session);
    }
    
    @Test
    public void testSessionNoUser(){
        expect(request.getSession()).andReturn(session);
        expect(session.getAttribute("loginUser")).andReturn(null);
        
        replay(request,session);
        Assert.assertFalse(servlet.isLogin(request));
        verify(request,session);
    }
    
    @Test
    public void testSessionHasUser(){
        expect(request.getSession()).andReturn(session);
        expect(session.getAttribute("loginUser")).andReturn(new User());
        
        replay(request,session);
        Assert.assertTrue(servlet.isLogin(request));
        verify(request,session);
    }
}
////////////////////////////////////
catcus.properties:
cactus.contextURL=http://localhost:8080/Java96_junit/