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test/unit/index.js

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+// Polyfill fn.bind() for PhantomJS
+/* eslint-disable no-extend-native */
+Function.prototype.bind = require('function-bind')
+
+// require all test files (files that ends with .spec.js)
+var testsContext = require.context('./specs', true, /\.spec$/)
+testsContext.keys().forEach(testsContext)
+
+// require all src files except main.js for coverage.
+// you can also change this to match only the subset of files that
+// you want coverage for.
+var srcContext = require.context('../../src', true, /^\.\/(?!main(\.js)?$)/)
+srcContext.keys().forEach(srcContext)