Testing concurrent code in Golang
I wrote a package which tracks certain hashtags on twitter and part of the package is adding and removing hashtag from list of hashtags. Plan is that this can be done from different goroutines hence tracking/untracking is done by putting hashtag in channels. It looks like this: var ( trackChan = make(chan string) untrackChan =…
Testing React components
There are two aspect of testing React components: testing their structure (desired markup is displayed) and behaviour (e.g. when clicking on a button this function will be called or something different will appear in component’s markup). Testing component structure is best done with shallow rendering since it renders only provided component and not its potential…