More and more applications are being built on web technologies, from familiar web apps and services, to Electron-hosted JavaScript, to a new generation of stand-alone progressive web applications. The ...

Back in the day, we'd write some code, compile, execute, see what happened and repeat. That was testing. (Sometimes that's still what testing looks like, for better or worse.) Today, we can do a lot ...

We often need to write unit tests for code that accesses an external resource such as a database or a file file system. If such resources are not available, the only way to ensure that the tests can ...

Back in the day, we'd write some code, compile, execute, see what happened and repeat. That was testing. (Sometimes that's still what testing looks like, for better or worse.) Today, we can do a lot ...