Testing your SPA

The majority of Vue testing suites revolve around having command-line knowledge and creating a Vue application using the CLI (command-line interface). Along with creating applications in frontend-compatible JavaScript, Vue also has a CLI that allows you to create applications using component-based files. These are files with a .vue extension and contain the template HTML along with the JavaScript required for the component. They also allow you to create scoped CSS – styles that only apply to that component. If you chose to create your app using the CLI, all of the theory and a lot of the practical knowledge you have learned in this book can easily be ported across.

Command-line unit testing

Along with component files, the Vue CLI allows you to integrate with command-line unit tests easier, such as Jest, Mocha, Chai, and TestCafe (https://testcafe.devexpress.com/). For example, TestCafe allows you to specify several different tests, including checking whether content exists...