});
interceptor.setAuthenticationDetailsSource(mock(AuthenticationDetailsSource.class));
interceptor.invoke(mock(MethodInvocation.class));
PreAuthenticatedAuthenticationProvider provider = new PreAuthenticatedAuthenticationProvider();
AuthenticationUserDetailsService uds = mock(AuthenticationUserDetailsService.class);
UserDetails user = mock(UserDetails.class);
List authorities = AuthorityUtils.createAuthorityList("SOME_ROLE");
when(user.getAuthorities()).thenReturn(authorities);
when(uds.loadUserDetails(any(Authentication.class))).thenReturn(user);
provider.setPreAuthenticatedUserDetailsService(uds);
provider.setUserDetailsChecker(mock(UserDetailsChecker.class));
assertNotNull(provider.authenticate(context.getAuthentication()));
}