我的代码如下所示:
Class A { public boolean myMethod(someargs) { MyQueryClass query = new MyQueryClass(); Long id = query.getNextId(); // some more code } } Class MyQueryClass { .... public Long getNextId() { //lot of DB code, execute some DB query return id; } }现在我正在为 A.myMethod(someargs)。我想跳过真正的方法 query.getNextId(),而是返回一个存根值。基本上,我想模拟 MyQueryClass 。
Now I'am writing a test for A.myMethod(someargs). I want to skip the real method query.getNextId() and instead return a stub value. Basically, I want to mock MyQueryClass.
所以在我的测试用例中,我使用过:
So in my test case, I have used:
MyQueryClass query = PowerMockito.mock(MyQueryClass.class); PowerMockito.whenNew(MyQueryClass.class).withNoArguments().thenReturn(query); when(query.getNextId()).thenReturn(1000000L); boolean b = A.getInstance().myMethod(args); //asserts我用 @RunWith (TestMockRunner.class)和 @PrepareForTest({MyQueryClass.class})在我的测试类的开头。
I used @RunWith(PowerMockRunner.class) and @PrepareForTest({MyQueryClass.class}) in the beginning of my test class.
但是当我调试测试时,它仍在调用 MyQueryClass $的实际方法 getNextId() c $ c> class。
But when I debug the test, it is still calling the real method getNextId() of the MyQueryClass class.
我在这里缺少什么?任何人都可以帮忙,因为我是Mockito和PowerMockito的新手。
What am I missing here? Can anyone help as I am new to Mockito and PowerMockito.
推荐答案你需要将类放在构造函数所在的位置将调用 @PrepareForTest 注释而不是正在构造的类 - 请参阅模拟新对象的构造。
You need to put the class where the constructor is called into the @PrepareForTest annotation instead of the class which is being constructed - see Mock construction of new objects.
在你的情况下:
✗ @PrepareForTest(MyQueryClass.class)
✓ @PrepareForTest( A.class)
更一般:
✗ @PrepareForTest(NewInstanceClass.class)
✓ @PrepareForTest(ClassThatCreatesTheNewInstance.class)
更多推荐
使用PowerMockito.whenNew()不会被模拟并调用原始方法
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