List/Grid Tag Archives: Testing

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Testing Expected Exceptions with JUnit Rules

This post shows how to test for expected exceptions using JUnit. Let’s start with the following class that we wish to test:                   public ...
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Don’t rely on unit tests alone

When you are building a complex system, barely testing components in isolation is not enough. It’s crucial, but not enough. Imagine a car factory that manufactures and imports ...
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Synchronising Multithreaded Integration Tests

Testing threads is hard, very hard and this makes writing good integration tests for multithreaded systems under test… hard. This is because in JUnit there’s no built in ...
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Running unit tests and integration tests separately with Maven Failsafe and TestNG

Recently for my new pet project I decided that I would like to have some tests executed during standard mvn test and some other ones only during different phase, let’s call it integration ...
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Hamcrest Containing Matchers

The Hamcrest 1.3 Javadoc documentation for the Matchers class adds more documentation for several of that class’s methods than were available in Hamcrest 1.2. For example, the ...
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Spring Selenium Tests With Annotations

This post describes how to implement Selenium tests in Java. It is inspired from the post by Alex Collins, with annotations. The code is available on GitHub in the Spring-Selenium-Test ...
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The Differences Between Test-First Programming and Test-Driven Development

There seems to be some confusion between Test-First Programming and Test-Driven Development (TDD). This post explains that merely writing the tests before the code doesn’t necessarily ...
java-interview-questions-answers

Waiting for the right moment – in integration testing

When you have to test multi-threaded programs, there is always the need to wait until the system arrives at a particular state, at which point the test can verify that the proper state ...
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A Selenium/WebDriver example in Java

A couple of years back, I was pitching for some work and the client wanted to see how I would tackle a real world problem. They asked me to automate some tasks on the woot.com web site. The ...
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How cool is integration testing with Spring and Hibernate

I am guilty of not writing integration testing (At least for database related transactions) up until now. So in order to eradicate the guilt i read up on how one can achieve this with ...
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