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Tag Archives: Testing

Test your Dependencies with Degraph

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I wrote before about (anti)patterns in package dependencies. And of course the regular reader of my blog knows about Degraph, my private project to provide a visualization for package dependencies which can help a lot when you try to identify and fix such antipatterns. But instead of fixing a problem we all probably prefer preventing the problem in the first place. Therefore in the latest ...

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A JUnit Rule to Run a Test in Its Own Thread

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Occasionally it would be helpful to be able to run a JUnit test in a separate thread. In particular when writing integration tests that interact with encapsulated ThreadLocals or the like this could come in handy. A separate thread would implicitly ensure that the thread related reference of the threadlocal is uninitialized for each test run. This post introduces a ...

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Test Attribute #5 – Differentiation

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This the 5th post about Test Attributes that started off with celebrity-level “ How to test your tests” post. Differentiation is not an attribute of a single test. Differentiation does not ride alone, because it requires multiple tests.   Tests allow us to (a) know something is wrong and (b) help us locate that something. We want to plant lots ...

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Test Attribute #4 – Accuracy

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This is the 4th post on test attributes that were described in the now even more famous “How to test your tests” post. If you want training and/or coaching on testing, contact me. Accuracy is about pinpointing the location of the failing code. If we know where the offending code is, we can easily analyze what problem we caused, and ...

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Testing Love and Polyamorous TDD

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The rigor and quality of testing in the current software development world leaves a lot to be desired. Additionally, it feels like we are living in the dark ages with mysterious edicts about the “right” way to test being delivered by an anointed few vocal prophets with little or no effort being given to education of the general populace about ...

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Test Attribute #3 – Speed

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This is the 3rd post on test attributes that were described in the now more famous “How to test your tests” post. There’s a story I like to tell about my first TDD experience. You’ll have to hear it now (some of you for the n-th time). It was many moons ago,  when I just completed reading Kent Beck’s excellent ...

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Test Attribute #2: Readability

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This is the 2nd post on test attributes that were described in the now famous “How to test your tests” post. We often forget the most of the value we get from tests come after we’ve written them. Sure, TDD helps design the code, but let’s face it, when everything works for the first time, our tests become the future ...

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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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