Just run it twice

Often we use some kind of „clustered“ environment to run our software. This promises higher performance and better availability. And the frameworks seem to suggest that it is just a matter of starting it twice and it will magically work correctly. There is nothing wrong with investing some thoughts on this issue. It can actually […]

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Unit Tests as Specifications

Quite often I hear the idea, that one team should specify a software system and get the development done by another team. Only good documentation is needed and good API contracts and beyond that, no further cooperation and communication is needed. Often a complete set of unit tests is recommended as a way or as […]

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Some thoughts about testing

We all do a bit of testing, if we are in IT. Even if I would by no means call myself a professional test engineer or test manager, I could make some observation about the topic. I did hear a lot of times, that testing is kind of the easy task in the IT industry, […]

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Testing and Micro Components

It is an interesting trend to create micro components, microservices and use building blocks that are very easy to understand. As always, a new approach will not eliminate all problems. The problem that we are solving has an inherent complexity that we cannot beat. But usually we create a lot of complexity that would not […]

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Unit Testing in a non-perfect World

Test Driven Development We all know that how good test driven development is and that we should move in that direction. How much coverage There are some serious obstacles. Most of all, we have some obligation to actually finish software and the resources are usually kind of limited. If they were not limited by money […]

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Frameworks for Unit Testing and Mocking

Unit testing has fortunately become an important issue in many software projects. The idea of automatic software based unit and integration tests is actually quite old. The typical Linux software that is downloaded as source code and then built with steps like tar xfzvv «software-name-with-version».tar.gz cd «software-name-with-version» ./configure make sudo make install often allows a […]

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