Learning Node.js Development

Writing the test for the Express app

The first test we'll write is a test that verifies when we make an HTTP GET request to the / URL, we get Hello world! back. To do this, we will be calling it just like we did for our other tests in the previous chapter. We're still using mocha as the actual test framework. We're using SuperTest to fill in the gaps:

var app = require('./server').app;it('should return hello world response')

Now we'll set up the function as follows:

it('should return hello world response', (done) => {});

This is going to be an asynchronous call so I are providing done as the argument to let mocha know to wait before determining whether or not the test passed or failed. From here, we can now make our very first call to request ...