One of the most important concepts of object-oriented design is encapsulation. You try to hide all the internal things of a class from the other developers and only offer them a subset of functionality to use. You can achieve this by setting an appropriate access modifier for your methods and classes: public: The type or …
The SSMS Tools Pack created by Mladen Prajdić is a great extension for the SQL Server Management Studio. In this post I will explain how you can use it to create test data from a small subset of your production database. From a bug in production… Bugs happen, especially when complex data is involved. …
Exploratory testing is a great way to find bugs of any sorts. However, after an hour of testing all possible edge cases you don’t know what you tried and what not. Rapid Reporter is a great helper to keep track of your activities. You can download the executable here and run it right away – …
I am currently learning the xUnit.net framework as part of a new project I work on. For the last years I used NUnit for my unit and integration tests. Conceptually those two libraries aren’t that different. However, the naming of attributes and what is possible in sharing setup & clean-up code makes it worth to …
I am currently learning the ins and outs of the FakeItEasy mocking framework. I know my way around Moq, a simple and easy to use framework for the same purpose. This cheat sheet has examples for the most common use cases and explains the differences to Moq. Why use a mocking framework? A mocking …
Using a local build server with Visual Studio Team Services (VSTS) is not that complicated. The build agent and a community edition of Visual Studio is all you need to get started. However, there is a little catch with this setup: You don’t get test coverage for your unit tests. You could install a bigger …
We started the migration to NUnit 3.0 as soon as the final version was released. Unfortunately, some bugs on Visual Studio Team Services ended this endeavour rather suddenly. We concentrated on shipping our product and postponed the upgrade. Now, with all our projects migrated, it is time to look back on the breaking changes that …
Good test data is as realistic as possible but isn’t from production. Leaks can happen on test systems as well and they are often less protected as production systems. Whenever you need test data you can start creating it from scratch or write a tool. Both options take time and effort. However, there is a …