Blog.
Hi, my name is Marco. Working as a Senior Software Architect at Philips. I'm an Opensource Maintainer and Contributor. If you like my work, consider to sponsor my work.
I wrote my first blog March 2011. Mostly I'm writing on software development. In total I wrote 75 articles in 7 categories. Use search below to filter by title or click a category or tag to filter by tag or category.
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Go interfaces and type assertions
Marco Franssen /
In this blog I would like to zoom in on Interfaces and type assertions in Go. Compared to language like c# and Java implementing interfaces works slightly different. In the remainder of this blog I want to give you a bit of theory and practical usecases. In case this is your first time working with Go you might want to check out this blog which shows you how to setup your development environment including a small hello world. The empty interface (interface{}) is an interface which defines zero…
Test and benchmark your code in go
Marco Franssen /
When I started writing my first programs in Go, I noticed the tooling ships out of the box with test and benchmark features. You simply follow some naming conventions when it comes to file names. You import a reference to the "testing" package which is kind of part of the language. Aaaand… Ready set, and of you Go with writing some tests and benchmarks in Go. In my earlier blog post I briefly touched writing a test in Go already. I recommend reading this blogpost whenever you are a real newby wi…
Jasmine vs. Mocha
Marco Franssen /
In this blog post I want to highlight the similarities and the differences between Jasmine and Mocha. In this comparison I will focus on the latest versions of both libraries. As of this writing Jasmine 2.4 and Mocha 2.3. When comparing both libraries at NPMCompare you notice that Mocha is the more popular framework today. Mocha has more frequent updates, more downloads and more forks on Github. Although both frameworks are pretty popular and do have a lot of similarities. Lets go have a look a…
Using Mocha Chai Sinon to test Node.js
Marco Franssen /
In this article I'm going to show you how to write tests for your NodeJS application using Mocha, Chai and Sinon. Mocha is a feature-rich JavaScript test framework running on node.js and the browser, making asynchronous testing simple and fun. Mocha tests run serially, allowing for flexible and accurate reporting, while mapping uncaught exceptions to the correct test cases. One of the cool things is you can choose your own assertion style when writing Mocha tests. In this article I will use Ch…
Pitfall in FakeItEasy
Marco Franssen /
The current project I'm doing is a CQRS based project, using the ncqrs framework. Today I came to a phase I needed some mocking done for some of my domain services. I choose FakeItEasy to handle this for me. So I started by just adding a reference to my DomainScenario project using a Nuget package. For some of my complexer scenario's I ran into some issues which took me about about 45 minutes to fix one of my tests. For fixing all other failing tests I had to do the same trick. Before I explai…