Access Spring profiles in spring-junit test classes

Question

I am using Spring 4.3.0.I am writing a SDK in that i am having the following classes,

Providers.java

@ComponentScan
@Service
//@PropertySource("classpath:application.properties")
public class Providers {

@Autowired
ApplicationContext context;

public Providers(){
}

public Providers(ApplicationContext applicationContext){
    this.context = applicationContext;
}

//...Other SDK component code
}

ProvidersBuilder.java

public class ProvidersBuilder {
//Set providers property
public Providers build() throws LifecycleException, InsufficientPropertiesException {
    AnnotationConfigApplicationContext context =
            new AnnotationConfigApplicationContext();

    StandardEnvironment env = new StandardEnvironment();
    context.setEnvironment(env);
    if(cond1){
        context.getEnvironment().addActiveProfile("profile1");
    }
    if(cond2){
        context.getEnvironment().addActiveProfile("profile2");
    }
    ...etc
    context.setParent(null);
    context.register(Providers.class);
    context.refresh();
    Providers Providers = new Providers(context);

    return Providers;
}
}

I have following configuration for Spring-Junit test classes,

SpringContextLoader.java

@ComponentScan(basePackages = "com.providers.global")
@PropertySource("classpath:application.properties")
public class SpringContextLoader {

public static void main(String[] args) throws Exception {
    AnnotationConfigApplicationContext context =
            new AnnotationConfigApplicationContext(SpringContextLoader.class);
}
}

In one of my test class, I am trying to print all the profiles,

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = SpringContextLoader.class)
public class ProvidersTest{

@Autowired
ApplicationContext context;

@Before
public void beforeMethod() throws Exception {
    String[] profiles = context.getEnvironment().getActiveProfiles();
    if(profiles != null && profiles.length > 0){
        for (String string : profiles) {
            logger.info(String.format("Active Profiles in test::%s",string));
        }
    }

}

@Test
public void activateProviders() throws Exception{
...invoking test call
}
}

In the logs i am able to see only the profiles configured in application.properties, but i would like to get the profiles which are dynamically added in ProvidersBuilder.java.

Basically i would run ProvidersTest only for particular profiles for that i am using the following annotation, @IfProfileValue(name = "spring.profiles.active", values = { "charging" }) Since application context always returns default profile configured in application.properties this class never get a chance to run.

Could anyone please help me to resolve this issue.Why the profiles added in ProvidersBuilder.java is not available in ProvidersTest.java?

**Edit 1 **

SpringContextLoader.java

@ComponentScan(basePackages = "com.providers.global")
@PropertySource("classpath:application.properties")
public class SpringContextLoader {

@Bean(name = "ConfigApplicationContext")
public AnnotationConfigApplicationContext applicationContext() {
     AnnotationConfigApplicationContext context =
             new AnnotationConfigApplicationContext();
     return context;
}
}

Now we are not creating new AnnotationConfigApplicationContext anywhere in application.

ProvidersBuilder.java

public class ProvidersBuilder {

@Autowired
@Qualifier("ConfigApplicationContext")
public AnnotationConfigApplicationContext context;

//Set providers property
public Providers build() throws LifecycleException, InsufficientPropertiesException {

context.setEnvironment(env); **Here i am getting getting NullPointerException**
if(cond1){
    context.getEnvironment().addActiveProfile("profile1");
}
if(cond2){
    context.getEnvironment().addActiveProfile("profile2");
}
...etc
context.setParent(null);
context.register(Providers.class);
context.refresh();
Providers Providers = new Providers(context);

return Providers;
}
}

In the ProvidersBuilder.java while getting "AnnotationConfigApplicationContext context" using @Autowired it returns null.