What Is the Difference Between Spy and Mock
Both Can Be Used to Mock Methods or Fields. the Difference Is That in Mock, You Are Creating a Complete Mock or Fake Object While in Spy, There Is the Real...
Both can be used to mock methods or fields. The difference is that in mock, you are creating a complete mock or fake object while in spy, there is the real object and you just spying or stubbing specific methods of it. … So that’s the difference between spy and mock in mockito.
What is the difference between mock and fake?
Mock – an object on which you set expectations. Fake – an object with limited capabilities (for the purposes of testing), e.g. a fake web service. Test Double is the general term for stubs, mocks and fakes. But informally, you’ll often hear people simply call them mocks.
Must Read
What is the difference between @InjectMocks and @mock?
@Mock creates a mock. @InjectMocks creates an instance of the class and injects the mocks that are created with the @Mock (or @Spy ) annotations into this instance. Note you must use @RunWith(MockitoJUnitRunner. class) or Mockito.