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Tag Archives: Testing

Improve your Feedbackloop with Continuous Testing

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Have you ever though about what the most valueable thing in software development was for you? And im not talking about things that value for you personally, but for the success of the development itself. Well i have thought about it, and for me it was Feedback – in any form. It is so important, because it enables steering. Development ...

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Is TDD Dead Or Alive?

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This blog post is for those of you who are unaware that there is a major debate in contemporary software development happening now, today. People have been wondering about the value of Test-Driven Development (TDD) for a long while, but it was not until David Heinemeier Hansson of 37 Signals  posted a blog article on St. George’s Day (23rd April ...

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Test Attributes #1: Validity

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In my last post, I created a list of test attributes. If one of them isn’t ok, you need to do some fixin’. This is the first of a series of posts that is going to discuss the different faces of tests. Let’s start with validity. Admittedly, it’s not the first of attribute I thought about. What are the chances ...

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Compounding double error

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Overview In a previous article, I outlined why BigDecimal is not the answer most of the time. While it is possible to construct situations where double produces an error, it is also just as easy to construct situations were BigDecimal get an error. BigDecimal is easier to get right, but easier to get wrong. The anecdotal evidence is that junior ...

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Lessons Learned in Automated Testing

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I want to discuss some takeaways from my role as a Quality Assurance (QA) Software Developer. My experiences in QA were two-fold: I started as a Software Engineer responsible for QA on a Scrum team and I later had a role as a QA Engineer responsible for implementing automated testing infrastructure. In the latter position, I made sure teams had ...

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How To Test Your Tests

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When we write tests, we focus on the scenario we want to test, and then write that test. Pretty simple, right? That’s how our minds work. We can’t focus on many things at the same time. TDD acknowledges that and its incremental nature is built around it. TDD or not, when we have a passing test, we should do an ...

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Java EE7 and Maven project for newbies – part 7

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Resuming from the previous parts Part #1, Part #2, Part #3, Part #4, Part #5 , Part #6 In the previous post (num 6) we discovered how we can unit test our JPA2 domain model, using Arquillian and Wildfly 8.1 In the post we made a simple configuration decision, we used the internal H2 database that is bundled with Wildfly ...

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How do I make testing faster?

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Earlier this week I was the guest of a large bank in the City, OK Canary Wharf actually. They had their own little internal Agile conference. As well as myself some of the usual suspects were on parade as well as some internal speakers. It was very enjoyable and as usual the C-List speakers were some of the most interesting. ...

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Java EE7 and Maven project for newbies – part 6

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Resuming from the previous parts Part #1, Part #2, Part #3, Part #4, Part #5 In the previous post (part 5), we discovered how we can unit test using Arquillian, our EJB services, deploying them in a ‘real’ instance of Wildfly8.1 application server. Extending the previous example we will add some more configuration and code, so that we can add ...

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