Topics:

• Mocha
• Chai
• Sinon
• Assert
• Expect

• The objective is to get you exposed to using TDD with Mocha/Chai and Sinon.
• You will be writing tests for the code inside of src/app.js.

• cd into repo and run npm install

• You'll notice we have two directories src and test. Inside of src/app.js you'll see all the code that we want to test, being exported out of app.js in the bottom of the file.
• Go ahead and run npm test and it will exectute the testing suites.

• Step 1: You have a broken test suite already, go ahead and change each test assertion such that it passes the expected test. Everything begins on line 14 inside of tests/app.test.js begin there.

• Mocha
• sinon-spy
• Chai
• Assert
• Expect
• BDD vs TDD
• more on TDD vs BDD