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Tag Archives: Spring Boot

Spring Boot Web Slice test – Sample

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Spring Boot introduced test slicing a while back and it has taken me some time to get my head around it and explore some of its nuances. Background The main reason to use this feature is to reduce the boilerplate. Consider a controller that looks like this, just for variety written using Kotlin. @RestController @RequestMapping("/users") class UserController( private val userRepository: UserRepository, private val ...

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Testing Spring Data + Spring Boot applications with Arquillian (Part 2)

In previous post, I wrote about how to test Spring Data application using Docker with Arquillian Cube. The test looked like: @RunWith(SpringRunner.class) @SpringBootTest(classes = PingPongController.class, webEnvironment = RANDOM_PORT) @ContextConfiguration(initializers = PingPongSpringBootTest.Initializer.class) public class PingPongSpringBootTest { @ClassRule public static ContainerDslRule redis = new ContainerDslRule("redis:3.2.6") .withPortBinding(6379); @Autowired TestRestTemplate restTemplate; @Test public void should_get_pongs() { // given restTemplate.postForObject("/ping", "pong", String.class); restTemplate.postForObject("/ping", "pung", String.class); // when final List<String> ...

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Testing Spring Data + Spring Boot applications with Arquillian (Part 1)

spring-interview-questions-answers

Spring Data’s mission is to provide a familiar and consistent, Spring-based programming model for data access while still retaining the special traits of the underlying data store. It provides integration with several backend technologies such as JPA, Rest, MongoDB, Neo4J or Redis to cite a few. So if you are using Spring (Boot) then Spring Data is the right choice to deal ...

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Spring Boot, @EnableWebMvc And Common Use-Cases

spring-interview-questions-answers

It turns out that Spring Boot doesn’t mix well with the standard Spring MVC @EnableWebMvc. What happens when you add the annotation is that spring boot autoconfiguration is disabled. The bad part (that wasted me a few hours) is that in no guide you can find that explicitly stated. In this guide it says that Spring Boot adds it automatically, ...

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Auto-Publishing & Monitoring APIs With Spring Boot

spring-interview-questions-answers

If you are heading down the path of a Microservices style of architecture, one tenant you will need to embrace is automation. Many moving parts are introduced with this style of architecture. If successful, your environment will have a plethora of service APIs available that the enterprise can consume for application development and integration. This means that there must be ...

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Debugging Grails 3, Spring Boot or Gradle with Eclipse

This is a small post for those who’s primary IDE is Eclipse for developing Grails 3 apps or plugins — and are still wondering how to debug their application. First of all, to clarify: there’s no “Grails” debugging, it’s just Spring Boot and Gradle these days, with Grails 3. Any way to debug these kind of applications allows you to ...

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Spring Boot and Security Events with Actuator

spring-interview-questions-answers

Spring Boot Actuator provides auditing capabilities for publishing and listening to security related events in a Spring Boot application with Spring Security enabled. The default events are authentication success, authentication failure and access denied, but they can be extended with custom events. Make sure you have Spring Boot Security and Actuator enabled in your project <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> <dependency> ...

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