February 2015
Intermediate to advanced
124 pages
2h 31m
English
Content preview from CoffeeScript, 2nd Edition
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Mock-Testing a Node Server with Supertest
In the previous section, we tested each of our Backbone entities against a mock server, using Sinon to fake responses to each collection’s HTTP requests. Now it’s time to create the mirror image of those tests, testing that our server provides the correct response to a set of fake requests.
Before we start writing tests, though, we should refactor our server to make it test-friendly. As we wrote it originally, it would define an Express instance (called app) and then immediately start listening on a port. For testing, we don’t want to actually open a TCP port. It’s much easier to simulate our requests. So let’s separate the code that defines app from the code that tells app to start listening:
| Testing/src/app.coffee ... |
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