给出您要求的答案（使用JMockit的部分模拟）：
public class MyClassTest
{
@Tested MyClass myClass;
@Test
public void test_MyClass_methodA_enters_if_condition() {
final CustomObject object1 = new CustomObject("input1");
final CustomObject object2 = new CustomObject("input2");
new NonStrictExpectations(myClass) {{
invoke(myClass, "methodB", object1, object2); result = true;
}};
assertEquals("Result", myClass.methodA(object1, object2));
}
@Test
public void test_MyClass_methodA_skips_if_condition() {
final CustomObject object1 = new CustomObject("input1");
final CustomObject object2 = new CustomObject("input2");
new NonStrictExpectations(myClass) {{
invoke(myClass, "methodB", object1, object2); result = false;
}};
assertEquals("Different Result", myClass.methodA(object1, object2));
}
}
但是，我 不 建议这样做。通常，private不应模拟方法。而是模拟被测单元的实际外部依赖关系（CustomObject在这种情况下）：
public class MyTestClass
{
@Tested MyClass myClass;
@Mocked CustomObject object1;
@Mocked CustomObject object2;
@Test
public void test_MyClass_methodA_enters_if_condition() {
new NonStrictExpectations() {{
Something thing = new Something();
object1.getSomething(); result = thing;
object2.getSomething(); result = thing;
}};
assertEquals("Result", myClass.methodA(object1, object2));
}
@Test
public void test_MyClass_methodA_skips_if_condition() {
new NonStrictExpectations() {{
object1.getSomething(); result = new Something();
object2.getSomething(); result = new Something();
}};
assertEquals("Different Result", myClass.methodA(object1, object2));
}
}
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