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  • Book Overview & Buying Spring Boot Cookbook
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Spring Boot Cookbook

Spring Boot Cookbook

By : Alex Antonov
4.6 (5)
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Spring Boot Cookbook

Spring Boot Cookbook

4.6 (5)
By: Alex Antonov

Overview of this book

Spring Boot is Spring's convention-over-configuration solution. This feature makes it easy to create Spring applications and services with absolute minimum fuss. Spring Boot has the great ability to be customized and enhanced, and is specifically designed to simplify development of a new Spring application. This book will provide many detailed insights about the inner workings of Spring Boot, as well as tips and recipes to integrate the third-party frameworks and components needed to build complex enterprise-scale applications. The book starts with an overview of the important and useful Spring Boot starters that are included in the framework, and teaches you to create and add custom Servlet Filters, Interceptors, Converters, Formatters, and PropertyEditors to a Spring Boot web application. Next it will cover configuring custom routing rules and patterns, adding additional static asset paths, and adding and modifying servlet container connectors and other properties such as enabling SSL. Moving on, the book will teach you how to create custom Spring Boot Starters, and explore different techniques to test Spring Boot applications. Next, the book will show you examples of configuring your build to produce Docker images and self-executing binary files for Linux/OSX environments. Finally, the book will teach you how to create custom health indicators, and access monitoring data via HTTP and JMX.
Table of Contents (9 chapters)
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8
Index

Creating tests using Mockito to mock DB


Now that we are done with setting up the fixtures to use during the set up and population of our database when it is used for testing purposes, let's examine how we can use the power of Mockito so that we don't need to rely on the database at all. We will learn how to elegantly mock the Repository instance objects using the Mockito framework and some annotation cleverness.

We will create a special Spring Boot configuration class where we will define and replace the Spring Beans that are necessary for testing purposes. We will use annotations to tell Spring Boot when to add the testing configuration and when to exclude it. In the configuration class, we will use Mockito to create some mock objects with preconfigured behavior, which will later be injected by Spring Boot while executing the tests.

How to do it…

  1. First, we will create a special annotation that we will use in order to tag the configuration classes that are designed to be loaded for testing...

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Spring Boot Cookbook
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