I'm trying to test my service layer and repository in spring-boot, and to do this, I'm using Mockito, as part of my test, I validate any log in request and if the username or password is incorrect, an exception should be thrown.
I'm testing that a user exist and my test passes, but, I can't seem to get my test to pass when a username does not exist. Here is my code for the tets
@Mock
UserRepository userRepository;
@InjectMocks
UserServiceImpl userServiceImpl;
Users mockUser = Mockito.mock(Users.class);
private String username = "real_user";
private String fakeUser = "fake_user";
@Before
public void setup() {
mockUser.setUsername(username);
mockUser.setPassword(new BCryptPasswordEncoder().encode("password"));
mockUser.setEnabled(true);
}
/**
* This Test Passes
*/
@Test
public void should_LoadUsersByUsername_IfUserExists() {
Mockito.when(userRepository.findByUsername(username)).thenReturn(mockUser);
userServiceImpl.loadUserByUsername(username);
Mockito.verify(userRepository, Mockito.atLeastOnce()).findByUsername(username);
}
/**
* This Test Fails
*/
@Test(expected = UsernameNotFoundException.class)
public void should_Throw_UserNameNotFoundException_If_UserIsNotFound() {
Mockito
.when(userRepository.findByUsername(fakeUser))
.thenThrow(UsernameNotFoundException.class);
}
This is the code I'm trying to run the test on
@Service
public class UserServiceImpl implements UserService {
@Autowired
UserRepository userRepository;
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
Users user = userRepository.findByUsername(username);
if (user == null) {//I'm trying to hit this line with my test that fails
throw new UsernameNotFoundException("The user was not found");
}
return user;
}
When I run my tests I get the following
java.lang.AssertionError: Expected exception: org.springframework.security.core.userdetails.UsernameNotFoundException
at org.junit.internal.runners.statements.ExpectException.evaluate(ExpectException.java:32)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.mockito.internal.runners.DefaultInternalRunner$1.run(DefaultInternalRunner.java:79)
at org.mockito.internal.runners.DefaultInternalRunner.run(DefaultInternalRunner.java:85)
at org.mockito.internal.runners.StrictRunner.run(StrictRunner.java:39)
at org.mockito.junit.MockitoJUnitRunner.run(MockitoJUnitRunner.java:163)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)
The line below is makes me confused because on my test I am stating that the UsernameNotFoundException
should be thrown if the user does not exist
java.lang.AssertionError: Expected exception: org.springframework.security.core.userdetails.UsernameNotFoundException
I followed the tutorial found here on number 2
Non-Void Return Type
but no luck, I know that I can accomplish my goal using JUnit
but I want to try and do this using Mockito
first
I know I'm missing something, can anyone please help me understand whats happening here
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