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Tag Archives: Testing

Mock final class

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Foreword If you already read some other blog post about unusual mocking, you can skip prelude via this link. I was asked to put together examples how to mock Java constructs well know for their testability issues:         Mock private method Mock final method Mock final class Mock constructor Mock static method I am calling these techniques ...

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Use Mockito to mock autowired fields

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Dependency injection is very powerful feature of Inversion of Control containers like Spring and EJB. It is always good idea to encapsulate injected values into private fields. But encapsulation of autowired fields decreases testability. I like the way how Mockito solved this problem  to mock autowired fields. Will explain it on example. (This blog post expects that you are little ...

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More Units with MoreUnit

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Just over a year ago I wrote a post about working with JUnit in Eclipse. One of the commenters recommended MoreUnit in order to increase testing efficiency even more. Giving it a try I was delighted and the plugin’s keyboard shortcuts were immediately memorized by my autonomic nervous system… Additionally after using MoreUnit for a while I recognized a slight ...

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Playing with JerseyTest (Jersey 2.5.1 and DI)

java-interview-questions-answers

I’m going to try explaining a trivial REST example. The idea is building a basic schema to start playing with Jersey. When I begin to use some framework, I usually develop a test enviroment for failing fast, and that is what I’m going to do. The next example has these features: Jersey 2.5.1 Dependency Injection JUnit for testing     ...

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Acceptance Test Driven Development

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In this short series about acceptance testing I previously wrote about collaboration between testers and developers and how acceptance tests help to define clear requirements of a system. Where the previous article were on the theoretical side, let’s now take a look at using acceptance testing as a practice in our development process. I prefer using Acceptance Test Driven Development, ...

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Testing Spring components with Mockito

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Be able to unit test your spring components without the need of loading the full spring-context with its ad-hoc test configurations it is ,in my opinion, a great advantage because it’s clean, easy to maintain, faster to write, smooth to alter. A way to achieve this goal is to use Mockito and tell him to replace the @Autowired components in ...

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Project Student: Sharding Integration Test Data

spring-interview-questions-answers

This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey, Business Layer and Persistence with Spring Data. All of the integration tests until now have used an in-memory embedded database that did not retain information from run to run. This changes when we fully integrate the REST server with a “real” database server ...

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Introduction To JUnit Theories

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Have you ever read a mathematical theory? It typically reads something like this: For all a, b > 0  the following is true: a+b > a and a+b > b Just typically the statements are more difficult to understand. There is something interesting about this kind of statement: It holds for EVERY element (or combination of elements) of a rather ...

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Adding Social Sign In to a Spring MVC Web Application: Unit Testing

spring-interview-questions-answers

Spring Social 1.0 has a spring-social-test module which provides support for testing Connect implementations and API bindings. This module was removed from Spring Social 1.1.0, and it was replaced with the Spring MVC Test framework. The problem is that there is practically no information about writing unit tests for an application which uses Spring Social 1.1.0. This blog post fixes ...

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