In this recipe, we'll make use of the
qunit-istanbul (0.4.5) plugin to run our automated QUnit tests in a PhantomJS environment, generating coverage reports for the source code they run against using the
Istanbul library, and comparing the results against a specified threshold.
In this example, we'll work with the basic project structure we created in the Installing Grunt on a project recipe in Chapter 1, Getting Started with Grunt. Be sure to refer to it if you are not yet familiar with its contents.
The following steps take us through creating a sample code base, creating a few tests to run against it, and configuring Grunt to generate coverage ...