@contextconfiguration

@ActiveProfiles. ActiveProfiles is a class-level annotation that is used to declare which active bean definition profiles should be used when loading an ApplicationContext for test classes.

What is @ContextConfiguration in JUnit?

@ContextConfiguration loads an ApplicationContext for Spring integration test. @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.

What is @ContextConfiguration used for?

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

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 @SpringBootApplication?

Spring Boot @SpringBootApplication annotation is used to mark a configuration class that declares one or more @Bean methods and also triggers auto-configuration and component scanning. It’s same as declaring a class with @Configuration, @EnableAutoConfiguration and @ComponentScan annotations.

What is @profile annotation in spring?

Spring 3.1 introduced the annotation @Profile. Profile annotation is a logical grouping that can be activated programmatically. It can be used on type-level annotation on any class or it can be used as a meta-annotation for composing custom stereotype annotations or as a method-level annotation on any @Bean method.

What is @WebAppConfiguration?

@WebAppConfiguration is a class-level annotation that is used to declare that the ApplicationContext loaded for an integration test should be a WebApplicationContext .

Can we use @autowired in JUnit?

Also note that we can wire other spring beans in our jUnit test classes using @Autowired annotation.

What is WebMvcTest?

@WebMvcTest annotation is used for Spring MVC tests. It disables full auto-configuration and instead apply only configuration relevant to MVC tests. The WebMvcTest annotation auto-configure MockMvc instance as well.

What does spring boot test do?

The @SpringBootTest annotation loads the complete Spring application context. In contrast, a test slice annotation only loads beans required to test a particular layer. And because of this, we can avoid unnecessary mocking and side effects.

What is true about parameterized test class?

Parameterized tests allow a developer to run the same test over and over again using different values. There are five steps that you need to follow to create a parameterized test. Annotate test class with @RunWith(Parameterized. class).

What is the purpose of assertArrayEquals message AB?

What is the purpose of assertArrayEquals(“message”, A, B)? Explanation: Asserts the equality of the A and B arrays. The “message” is displayed to the user.

What is AutoConfigureMockMvc?

Annotation Type AutoConfigureMockMvc

Annotation that can be applied to a test class to enable and configure auto-configuration of MockMvc .

What is the use of @RunWith SpringRunner class?

@RunWith(SpringRunner. class) provides a bridge between Spring Boot test features and JUnit. Whenever we are using any Spring Boot testing features in our JUnit tests, this annotation will be required.

What is RunWith SpringJUnit4ClassRunner?

@RunWith(SpringRunner. class) tells JUnit to run using Spring’s testing support. SpringRunner is the new name for SpringJUnit4ClassRunner , it’s just a bit easier on the eye. @SpringBootTest is saying “bootstrap with Spring Boot’s support” (e.g. load application.

What is scanBasePackages?

All four of the following parameters can be used in the @SpringBootApplication annotation. scanBasePackages – Takes in a string array and allows wildcard string filtering for package names, thereby allowing entire package directories to be included or scanned.

What is @RestController?

RestController: RestController is used for making restful web services with the help of the @RestController annotation. This annotation is used at the class level and allows the class to handle the requests made by the client.

What is Yaml in spring boot?

YAML is a data serialization language that is often used for writing configuration files. So YAML configuration file in Spring Boot provides a very convenient syntax for storing logging configurations in a hierarchical format. The application. properties file is not that readable.

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