How to mock custom UserServiceDetails in SpringSecurity Bean for unit-testing?

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I have Spring Boot application with basic auth enabled. UserServiceDetails consumed from DB. For the unit-testing purpose, I want to mock it, so the data will be consumed from elsewhere.

How can I do it?

My question is not how to mock UserServiceDetails itself but how to mock the way that I can use it to test Controllers with basic auth.

The below is my SpringSecurity config:

@Configuration
@EnableGlobalMethodSecurity(securedEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    private static final String[] AUTH_WHITELIST = {
            // -- swagger ui
            "/",
            "/csrf",
            "/swagger-resources",
            "/swagger-resources/**",
            "/configuration/ui",
            "/configuration/security",
            "/swagger-ui.html",
            "/webjars/**"
    };

    @Autowired
    @Qualifier("customUserDetailsService")
    private UserDetailsService userDetailsService;

    private final static Integer bCryptEncryptionLevel = 8;

    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder() {
        return new BCryptPasswordEncoder(bCryptEncryptionLevel);
    }

    public SecurityConfig() {
        super();
    }

    @Autowired
    public void configureGlobalSecurity(AuthenticationManagerBuilder authManagerBuilder) throws Exception {
        authManagerBuilder.authenticationProvider(authenticationProvider());
        authManagerBuilder.userDetailsService(userDetailsService)
                .passwordEncoder(bCryptPasswordEncoder());
    }

    @Bean
    public DaoAuthenticationProvider authenticationProvider() {
        DaoAuthenticationProvider authenticationProvider = new DaoAuthenticationProvider();
        authenticationProvider.setUserDetailsService(userDetailsService);
        authenticationProvider.setPasswordEncoder(bCryptPasswordEncoder());
        return authenticationProvider;
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.csrf().disable()
                .authorizeRequests()
                    .antMatchers(AUTH_WHITELIST).permitAll()
                    // allow default swagger docket
                    .regexMatchers("\\A/v2/api-docs\\Z").permitAll()
                    // require auth for any other swagger docket
                    .regexMatchers("\\A/v2/api-docs?.*\\Z").authenticated()
                    .antMatchers("/**").authenticated()
                .and()
                .httpBasic()
                .and()
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);
    }
}

To summarize, how can I mock UserServiceDetails into SpringSecurity config, so I can unit-test controllers into my Spring Boot app?

spring-boot spring-security unit-testing java
1 Answers

I think you should use @Profile, UserDetailesService is an interface creates two implementation of UserDetailesService, one for test and another for the rest of the case

@Component
@Profile("test")
public class UserDetailesServiceTestImpl implements UserDetailesService{


}

@Component
@Profile("!test")
public class UserDetailesServiceImpl implements UserDetailesService{


}
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