What is ContextConfiguration in Spring?

@ContextConfiguration defines class-level metadata that is used to determine how to load and configure an ApplicationContext for integration tests.

Why do we use @ContextConfiguration?

@ContextConfiguration can load ApplicationContext using XML resource or the JavaConfig annotated with @Configuration . The @ContextConfiguration annotation can also load a component annotated with @Component , @Service , @Repository etc. We can also load classes annotated with javax.

Which is used to load Spring XML configuration for test cases using Spring test?

By default the ApplicationContext is loaded using the GenericXmlContextLoader which loads a context from XML Spring configuration files. You can then access beans from the ApplicationContext by annotating fields in your test class with @Autowired , @Resource , or @Inject .

What is Spring TestContext framework?

The Spring TestContext Framework (located in the org. springframework. test. context package) provides generic, annotation-driven unit and integration testing support that is agnostic of the testing framework in use.

What is the use of @SpringBootConfiguration?

@SpringBootConfiguration is a class-level annotation that is part of the Spring Boot framework. It indicates that a class provides application configuration. Spring Boot favors Java-based configuration. As a result, the @SpringBootConfiguration annotation is the primary source for configuration in applications.

What is Spring ApplicationContext?

ApplicationContext is a corner stone of a Spring Boot application. It represents the Spring IoC container and is responsible for instantiating, configuring, and assembling the beans. The container gets its instructions on what objects to instantiate, configure, and assemble by reading configuration metadata.

What is MockMVC used for?

MockMVC class is part of Spring MVC test framework which helps in testing the controllers explicitly starting a Servlet container. In this MockMVC tutorial, we will use it along with Spring boot’s WebMvcTest class to execute Junit testcases which tests REST controller methods written for Spring boot 2 hateoas example.

What is the difference between SpringJUnit4ClassRunner and SpringRunner?

There is no difference, from the javadoc: SpringRunner is an alias for the SpringJUnit4ClassRunner.

What is DirtiesContext?

@DirtiesContext is a Spring testing annotation. It indicates the associated test or class modifies the ApplicationContext. It tells the testing framework to close and recreate the context for later tests. We can annotate a test method or an entire class.

What is @EnableAutoConfiguration in spring boot?

The @EnableAutoConfiguration annotation enables Spring Boot to auto-configure the application context. Therefore, it automatically creates and registers beans based on both the included jar files in the classpath and the beans defined by us.

What is proxyBeanMethods in spring boot?

proxyBeanMethods allows you to invoke one method marked as Bean from another one declared in the same configuration class.