Java 如何使用Mockito/Powermockito在内部类中单元测试逻辑
我有以下课程要考Java 如何使用Mockito/Powermockito在内部类中单元测试逻辑,java,unit-testing,mockito,inner-classes,powermockito,Java,Unit Testing,Mockito,Inner Classes,Powermockito,我有以下课程要考 public class ClassToTest { private View view; public ClassToTest(View view) { this.view = view; } public void init() { view.add(new ParamClass.OnSomething() { @Override public void o
public class ClassToTest {
private View view;
public ClassToTest(View view) {
this.view = view;
}
public void init() {
view.add(new ParamClass.OnSomething() {
@Override
public void onSomethingElse() {
view.doSomeWork();
}
});
}
}
视图在哪里
public class View {
public void add(OnSomething onSomething) {
}
public void doSomeWork() {
}
}
我模拟了view对象,但不知道如何测试标记为“Some logic here to test”的逻辑
最后一节课
public final class ParamClass {
public interface onSomething {
public void onSomethingElse();
}
}
在不更改源代码的情况下,是否有方法使用Mockito/Powermockito对其进行单元测试
我正在尝试验证doSomeWork()的调用
这是一个例外
java.lang.ArrayIndexOutOfBoundsException: 0
at org.powermock.api.mockito.internal.expectation.DefaultConstructorExpectationSetup.withAnyArguments(DefaultConstructorExpectationSetup.java:66)
at com.linkedin.android.lite.animations.TestClass.test(TestClass.java:29)
你到底想测试什么?如果在Somethingelse中有调用其他对象/方法的代码,那么您可以简单地模拟所有其他调用,然后对调用的方法使用Mockito.verify(mockObjectHere).methodCalled(),如果您只想实现行为测试。我知道了怎么做。更新答案
public class TestClass {
@Mock View view;
@Before
public void init() {
MockitoAnnotations.initMocks(this);
}
@Test
public void test() throws Exception {
ClassToTest classToTest = new ClassToTest(view);
classToTest.init();
ArgumentCaptor<ParamClass.OnSomething> captor =
ArgumentCaptor.forClass(ParamClass.OnSomething.class);
verify(view).add(captor.capture());
ParamClass.OnSomething onSomething = captor.getValue();
onSomething.onSomethingElse();
Mockito.verify(view, Mockito.times(1)).doSomeWork();
}
}
公共类TestClass{
@模拟视图;
@以前
公共void init(){
initMocks(this);
}
@试验
public void test()引发异常{
ClassToTest ClassToTest=新的ClassToTest(视图);
classToTest.init();
辩手=
ArgumentCaptor.forClass(ParamClass.OnSomething.class);
验证(视图).add(captor.capture());
ParamClass.OnSomething OnSomething=captor.getValue();
onSomething.onSomethingElse();
验证(查看,Mockito.times(1)).doSomeWork();
}
}
这里有什么问题?您正在将实例传递给视图模拟,这样您就可以调用它了
public class TestClass {
@Mock View view;
@Before
public void init() {
MockitoAnnotations.initMocks(this);
}
@Test
public void test() throws Exception {
ClassToTest classToTest = new ClassToTest(view);
classToTest.init();
ArgumentCaptor<ParamClass.OnSomething> captor =
ArgumentCaptor.forClass(ParamClass.OnSomething.class);
verify(view).add(captor.capture());
ParamClass.OnSomething onSomething = captor.getValue();
onSomething.onSomethingElse();
Mockito.verify(view, Mockito.times(1)).doSomeWork();
}
}