的方法實例VS一流水平的實例JUnit測試

Question

代碼公佈在link

現在，當我試圖寫 第一種情況JUnit的我正在錯誤

「需要重播類B「。

但同樣的junit正在爲第二種情況工作。

我JUnit是

@RunWith(PowerMockRunner.class) 
public class TestClass { 

    @Test 
    public void testDoSomeThing() { 
     B b = createMock(B.class) 
     expectNew(b.CallMe()).andReturns(xxx) 
     A a=new A(); 

     replayAll(); 
     a.doSomething(); 
     verifyAll(); 
    } 
} 

Answer 1

你忘了添加

@PrepareForTest({A.class, B.class}) 

此批註必須有你在嘲諷類和將使用這些嘲笑類。

Answer 2

下面是使用EasyMock與PowerMock的解決方案：

TestClass.java

import org.junit.Test; 
import org.junit.runner.RunWith; 
import org.powermock.api.easymock.PowerMock; 
import org.powermock.core.classloader.annotations.PrepareForTest; 
import org.powermock.modules.junit4.PowerMockRunner; 

@RunWith(PowerMockRunner.class) 
@PrepareForTest({ A.class, B.class }) 
public class TestClass { 

    @Test 
    public void testDoSomeThing() throws Exception { 
     /* Setup */ 
     B bMock = PowerMock.createMock(B.class); 

     /* Mocks */ 
     PowerMock.expectNew(B.class).andReturn(bMock).atLeastOnce(); 
     bMock.callMe(); 

     /* Activate */ 
     PowerMock.replayAll(); 

     /* Test */ 
     A cut = new A(); 
     cut.doSomething(); 

     /* Asserts */ 
     PowerMock.verifyAll(); 
    } 
} 

A.java

public class A { 

    B b = new B(); 

    public void doSomething() { 
     b.callMe(); 
    } 
} 

B.java

public class B { 

    public void callMe() { 

    } 
}