@Test
public void testZeroInteractionsWithMock() throws Exception {
User user = new User("user1", new Date());
// call method where no call to userService will be made
userManager.getUserLastLogin(user);
Mockito.verifyZeroInteractions(userService);
// Another way to check zero interactions
userManager.getUserLastLogin(user);
Mockito.verify(userService, Mockito.never());
}
@Test
public void testSaveUser() throws Exception {
User user = new User("u1");
userManager.saveUser(user);
// Verify if saveUser was invoked on userService with given 'user' object.
Mockito.verify(userService).saveUser(user);
// Verify with Argument Matcher
Mockito.verify(userService).saveUser(Mockito.<User>any());
}
@Test
public void testCountNumberOfInteractions() throws Exception {
userManager.findUser("user1");
// Verify the number of interactions with mock
Mockito.verify(userService, Mockito.times(1)).findUserByName("user1");
// There was only one interaction with userService
Mockito.verifyNoMoreInteractions(userService);
}
@Test
public void testFindUser() throws Exception {
// Stub the value that will returned on call to userService.findUserByName
User stubbedUser = new User("userAfterSave");
Mockito.when(userService.findUserByName("user1")).thenReturn(stubbedUser);
// make the call
User user = userManager.findUser("user1");
// Verify if findUserByName method was invoked on userService call
Mockito.verify(userService).findUserByName("user1");
Assert.assertEquals("userAfterSave", user.getUserName());
}
@Before
public void setUp() throws Exception {
userService = Mockito.mock(UserService.class);
userManager = new UserManager();
userManager.setUserService(userService);
}