Migrating Applications to the Cloud with Azure

Proxies for testing

One of the cool things about proxies is that you don't need a backend URL. You can create a new proxy and leave the backend URL empty. Instead, look at the response override. For example, suppose you have to call a service to create a customer and the service returns the new customer ID. The problem is, no such service exists yet. With a proxy, you can easily create a mock service that simply returns HTTP code 201 (created) with an ID in the body. Let's take a look at how this works:

1. Create a new proxy.
2. Name it CreateCustomer.
3. Set customers/create as the root template.
4. For the selected methods, choose GET (we're doing this so that we can easily test this in the browser; normally, this would be a POST).
5. Open up the response ...