If you have an application that has HTML imports like this import template from './my-component.html and then attempt to test this code in Jest 28+ (or previous …
Posts in Jest
When it comes to mocking dependencies in Jest, it couldn’t be easier. You can create an actual mock module that gets loaded in place of the dependency in …
I love using Jest to unit test my Aurelia applications. Sadly, one of the most popular options for mocking event listeners and simulating events called Enzyme …
When working with mocks and spies in Jest, it is quite easy to fall into a trap where they become stale (especially in cases where pure functions are not being …
Recently whilst writing some unit tests in Jest, I had to test some code that took ISO date strings and converted them to formatted date strings, then code that …
Recently, I encountered an issue in Travis CI and my Aurelia application which uses Jest for the tests suite. I erroneously copied some older configuration code …