Handling Failure
We’ve delivered a working scenario and shown it to our stakeholders. They’re happy with what we’ve done so far, but they want to discuss how we’re going to handle some common error cases. Once we’ve had these discussions, it’ll be time to extend our web app, and we’ll see some examples of how to write scenarios that force an error to happen so that we can drive out our error handling functionality.
Our running scenario describes the situation where a customer who has money in his account successfully withdraws some of it using the ATM. What happens if the mechanism that counts and dispenses the money malfunctions? Or if the ATM doesn’t contain enough money to fulfill the customer’s request? We’re sure you can think up plenty ...
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