List/Grid Tag Archives: JUnit

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Spring MVC Customized User Login Logout Implementation Example

This post describes how to implement a customized user access to an Spring MVC web application (login logout). As a prerequisite, readers are advised to read this post which introduces several Spring Security ...
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JUnit Testing Spring Service and DAO (with In-Memory Database)

This post describes how to implement JUnit tests for a Spring Web Application’s Services and DAO. It is built on top of the Spring MVC-Service-DAO-Persistence Architecture Example. This example is availab ...
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Spring MVC Controller JUnit Testing

JUnit testing Spring MVC controllers is not an easy task. But recently, a new project (to be included in Spring soon) offers new tools to facilitate this. This post illustrates how to test a ...
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Enhancing Spring Test Framework with beforeClass and afterClass setup

How to allow instance methods to run as JUnit BeforeClass behavior JUnit allows you to setup methods on the class level once before and after all tests methods invocation. However, by design on purpose that they restrict this to o ...
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Testing Custom Exceptions with JUnit’s ExpectedException and @Rule

Exception Testing Why test exception flows? Just like with all of your code, test coverage writes a contract between your code and the business functionality that the code is supposed to produce leaving you with a living documenta ...
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JUnit Pass Test Case on Failures

Why create a mechanism to expect a test failure? There comes a time when one would want and expect a JUnit @Test case fail. Though this is pretty rare, it happens. I had the need to detect when a JUnit Test fails and then, if expe ...
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Test Driven Traps, part 2

The Story of a Unit in Unit Tests In the previous part of this article, you could see some bad, though popular, test samples. But I’m not a professional critic (also known as a troll, or a hater), to grumble ab ...
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Spring Testing Support and Context caching

Spring provides a comprehensive support for unit and integration testing – through annotations to load up a Spring application context, integrate with unit testing frameworks like JUnit and TestNG. Since loading up a large a ...
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Using PowerMock to Mock Constructors

In my opinion, one of the main benefits of dependency injection is that you can inject mock and/or stub objects into your code in order to improve testability, increase test coverage and write better and more meaningful tests. The ...
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5 Tips for Unit Testing Threaded Code

Here’s a few tips on how take make testing your code for logical correctness (as opposed to multi-threaded correctness). I find that there are essentially two stereotypical patterns with threaded code:Task or ...
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