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What is Mockey?

It’s a Java web application, a .war (_or executable .jar) file that runs in a servlet container. It was built to help reduce the constraints of working with services, services being other applications your app may be interacting with over http/https.

How Do I Use Mockey?

Point your application to Mockey and then point Mockey to the 3rd party application. With Mockey in the middle, it will capture all the messages being exchanged between applications. After enough messages have been captured, make Mockey the end-point and explicitly tell it what messages to return.

The cool thing is, you are no longer constrained by the 3rd party service to develop and test your code.

When Would I Consider Using Mockey?

Here are a few reasons that made us build this thing:

1. Can’t reach the service. Your application consumes a web service but the web service is not reachable via the corporate proxy servers.
2. Dynamic flows. Depending on the data being consumed, you want to test all your flows but the service provider doesn’t have all possible scenarios you need to test your application.
3. Sandbox. The service you’re consuming isn’t always available, e.g. a development or testing service. Or, the service data state is unknown.
4. Message inspection. The application is not working properly. Is it you or the 3rd party?