官方文件: http://jmockit.github.io/tutorial/Mocking.html#singleInvocationCapture

學習: 

https://bowenli86.github.io/2016/04/17/test/jmockit/Unit-Test-JMockit-Capturing-Invocation-Arguments-for-Verification/

官方文件翻譯 

/**
 * spring跨層mock,並且驗證被mock的函式的值. 這個非常適合整合mock測試驗證使用.
 *
 * @sina weibo [email protected]
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:jdktest/jmockit/application-context.xml")
public class ServiceTest {

    @Mocked
    Remote remote;

    @Autowired
    Service service;

    @Test
    public void testDoFuncYes() {
        service.doFunc(true, 3);
        new Verifications() {
            {
                System.out.println("doSomething 1 begin");

                //remote.doSomething(anyInt);//表示這個方法會被執行

                ParameterBean bean = new ParameterBean(1);

                remote.doSomething(bean = withCapture());
                Assert.assertEquals(1, bean.num);
                times = 1;//呼叫次數，0表示上面方法不會被呼叫

                // 表示這個方法會被執行，而且引數是1；在當前case，會通過
                //remote.doSomething(2);//表示這個方法會被執行，而且引數是2；在當前case，這個會不被通過

                System.out.println("doSomething 1");

            }
        };
    }

    

    @org.springframework.stereotype.Service
    private static class Remote {
        public void doSomething(ParameterBean a) {
        }
    }

    public static class ParameterBean {
        public int num = 0;

        public ParameterBean(int a) {
            this.num = a;
        }
    }

    @org.springframework.stereotype.Service
    private static class Proxy {
        @Autowired
        Remote remote;

        public void doFuncProxy(ParameterBean p) {
            remote.doSomething(p);
        }
    }

    @org.springframework.stereotype.Service
    private static class Service {
        @Autowired
        private Proxy remote;

        public void doFunc(boolean flag, int a) {
            if (flag) {
                remote.doFuncProxy(new ParameterBean(a));
            }
        }
    }

}