我将尝试测试一个方法是否在同一类中调用另一个方法。例如:
public class Foo {
public void bar(String a){
switch(a) {
case "callBaz":
baz(a);
break;
case "callBat":
bat(a);
break;
default:
System.out.println("Input was " + a);
}
}
public void baz(String b){
System.out.println(b);
}
public void bat(String c){
System.out.println(c);
}
}
然而,如果我尝试在类本身上使用Mockito进行验证:
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@RunWith(SpringJUnit4ClassRunner.class)
public class FooTest {
@Test
public void testBazCalledFromBar(){
Foo foo = new Foo();
foo.bar("callBaz");
Mockito.verify(foo).baz("callBaz");
}
}
我遇到了异常:
org.mockito.exceptions.misusing.NotAMockException:
Argument passed to verify() is of type Foo and is not a mock!
Make sure you place the parenthesis correctly!
See the examples of correct verifications:
verify(mock).someMethod();
verify(mock, times(10)).someMethod();
verify(mock, atLeastOnce()).someMethod();
使用mock时: ...
@RunWith(SpringJUnit4ClassRunner.class)
public class FooTest {
@Test
public void testBazCalledFromBar(){
Foo fooMock = Mockito.mock(Foo.class);
fooMock.bar("callBaz");
Mockito.verify(fooMock).baz("callBaz");
}
}
I get the exception:
Wanted but not invoked:
foo.baz("callBaz");
-> at com.mn.stagportal.view.employee.FooTest.testBazCalledFromBar(FooTest.java:15)
However, there were other interactions with this mock:
foo.bar("callBaz");
-> at com.mn.stagportal.view.employee.FooTest.testBazCalledFromBar(FooTest.java:13)
有人知道如何测试 baz("callBaz") 是否被调用了吗?
bar
产生的正确效果,而不是它使用哪些辅助方法来实现该效果。你的单元测试不应依赖于方法的特定实现——这不是正确的测试方式。 - Dawood ibn Kareem