I have been playing around with JPA and testing of persistence layer in Spring Boot after a while of not touching it. After configuring needed dependency and adding needed annotations to my repository test class I got weird error, saying “Failed to replace DataSource with an embedded database for tests. If you want an embedded […]
Spring Kafka (or Spring for Apache Kafka) is quite cool library built on top of Apache’s kafka-clients library. For example if you want to setup a producer it requires you to add very little code and create proper configuration. All the magic is happening under the hood. However documentation isn’t the best one. You cannot […]
I have experienced a weird problem today. My application has been throwing Entity Framework exceptions, which were saying that database which I am trying to open has unmatched column. It was about column called “Order”, which exists in source code of a class which is wired with table. Yep – I have added that column […]
It happens that we need to create few tests for the same method using different input. In such case I was always writing few identical test methods with different names and different values inside them. You can see an example below. This code is F# but don’t be afraid, it is easy to understand! This […]
I have got a specific problem while making some exercises from “A Functional Architecture with F#”, a great F# course by Mark Seemann. After adding a controller (Controller.fs), a file with types (Rendition.fs) and using an external type inside controller, the compiler started to say that this external type is not defined. It looks good […]
After few years of writing unit tests I have decided to replace MSTest framework with nUnit. There are few reasons of this. MSTest hasn’t change much since it was introduced in 2010 so it is far behind it’s competitors. It lacks of Assert.Throws. There is ExpectedException attribute but it isn’t consistent with other asserts and test coverage […]
At 10th of march 2016 we had the second edition of Wroc# – a conference organized by Objectivity company. This event, as well as previous one, was intended for .NET developers mostly. First presentation has started at 9 A.M. Perfect event preparation has been visible since entering into an event area. There were free all […]
In previous post about HTTP request comparison in Fiddler I showed how to integrate Fiddler and WinMerge to find differences easily. Given example shown a problem because when you get all parameters in one line then you are unable to locate which parameter is changed. Fortunately WinMerge has ability to extend its functionality using plugins. […]
If you want to implement Dependency Injection in your application, this book is for you. If you want to get into Dependency Injection, this book is for you. If you don’t know which Dependency Injection’s Container to choose, this book is for you. If haven’t heard about Dependency Injection before and you want to make […]
Fiddler is a great and easy to use tool for viewing network traffic monitoring that is being generated by our applications. It can be downloaded from Telerik’s Website – a company which is currently developing this tool: http://www.telerik.com/fiddler At this post we will look at HTTP requests comparing option. Option Compare will be activated in request’s […]