PowerMock - IllegalStateException：必须重播类XXX才能获得配置的期望 [英] PowerMock - IllegalStateException: Must replay Class XXX to get configured expectation

问题描述

@PrepareForTest({...,..., XXX.class})
...
@Test
public void testMethodToBeTested(){
    XXX mockInstance = PowerMock.createMock(XXX.class); 
    ...
    PowerMock.expectNew(XXX.class, p1, p2, p3, p4, p5).andReturn(mockInstance);
    mockInstance.methodWithNoReturnVal();
    expect(mockInstance.getSearchVal()).andReturn(1);
    PowerMock.replay(mockInstance);
    Whitebox.invokeMethod(objInstance, "methodToBeTested");

    PowerMock.verify(mockInstance);
}

基本上，我想测试私有方法：methodToBeTested（）。此方法实例化XXX.class类型的对象（使用new运算符）并将其存储到实例变量中;我嘲笑这个对象。然后，它通过mock调用methodWithNoReturnVal（），然后调用我配置为返回1的getter方法。

Essentially, I want to test a private method: methodToBeTested(). This method instantiates an object (using the new operator) of type XXX.class and stores it into an instance variable; I mocked this object. Then, it calls methodWithNoReturnVal() via the mock, and then a getter method which I configured to return 1.

我收到错误IllegalStateException：必须重播类XXX。获得配置期望的类。

I get the error "IllegalStateException: Must replay class XXX.class to get configured expectation."

感谢任何帮助。我还是PowerMock和EasyMock的新手;因为我需要使用expectNew（...）方法，所以我确保在测试方法中使用所有PowerMock api。

Any help is appreciated. I am still new to PowerMock and EasyMock; since I needed to use the expectNew(...) method, I made sure to use all PowerMock api inside of the test method.

推荐答案

你需要一个 PowerMock.replay（XXX.class）; 在Powermock的方法中拦截对象的构造。见下文。

You need to have a PowerMock.replay(XXX.class); in the method for Powermock to intercept the construction of the object. See below.

@PrepareForTest({...,..., XXX.class})
...
@Test
public void testMethodToBeTested(){
    XXX mockInstance = PowerMock.createMock(XXX.class); 
    ...
    PowerMock.expectNew(XXX.class, p1, p2, p3, p4, p5).andReturn(mockInstance);
    mockInstance.methodWithNoReturnVal();
    expect(mockInstance.getSearchVal()).andReturn(1);
    PowerMock.replay(mockInstance, XXX.class);
    Whitebox.invokeMethod(objInstance, "methodToBeTested");

    PowerMock.verify(mockInstance);
}

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