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Mastering Spring Boot 2.0

You're reading from   Mastering Spring Boot 2.0 Build modern, cloud-native, and distributed systems using Spring Boot

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Product type Paperback
Published in May 2018
Publisher Packt
ISBN-13 9781787127562
Length 390 pages
Edition 1st Edition
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Author (1):
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Dinesh Rajput Dinesh Rajput
Author Profile Icon Dinesh Rajput
Dinesh Rajput
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Table of Contents (17) Chapters Close

Preface 1. Getting Started with Spring Boot 2.0 2. Customizing Auto-Configuration in Spring Boot Application FREE CHAPTER 3. Getting Started with Spring CLI and Actuator 4. Getting Started with Spring Cloud and Configuration 5. Spring Cloud Netflix and Service Discovery 6. Building Spring Boot RESTful Microservice 7. Creating API Gateway with Netflix Zuul Proxy 8. Simplify HTTP API with Feign Client 9. Building Event-Driven and Asynchronous Reactive Systems 10. Building Resilient Systems Using Hystrix and Turbine 11. Testing Spring Boot Application 12. Containerizing Microservice 13. API Management 14. Deploying in Cloud (AWS) 15. Production Ready Service Monitoring and Best Practices 16. Other Books You May Enjoy

Using Mockito for mocking services


Let's see following quote about the role of mocking:

"Mockito is a mocking framework that tastes really good. It lets you write beautiful tests with a clean & simple API. Mockito doesn't give you hangover because the tests are very readable and they produce clean verification errors."

                                             –  Mockito. Mockito Framework Site. N.p., n.d. Web. 28 Apr. 2017.

When running tests, it is sometimes necessary to mock certain components within your application context. For example, you may have a facade over some remote service that is unavailable during development. Mocking can also be useful when you want to simulate failures that might be hard to trigger in a real environment. Let's see the following test class where I have used Mocking:

package com.dineshonjava.accountservice; 
 
import static org.hamcrest.CoreMatchers.is; 
import static org.hamcrest.CoreMatchers.notNullValue; 
import static org.junit.Assert.assertFalse...
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