List/Grid Tag Archives: Testing

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On Measuring Code Coverage

In a previous post, I explained how to visualize what part of your code is covered by your tests. This post explores two questions that are perhaps more important: why and what code ...
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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 ...
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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 ...
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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 ...
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Opinion: Performance Testing

Performance tuning an application is time consuming, and expensive. Useful tests often need dedicated hardware to run on. It’s specialised and time consuming to prepare the ground ...
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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, ...
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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 ...
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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 ...
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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 ...
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Test Driven Traps, part 1

Have you ever been in a situation, where a simple change of code, broke a few hundred tests? Have you ever had the idea that tests slow you down, inhibit your creativity, make you afraid ...
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