Graham Davis’ Post

The National Air Traffic Services (NATS) failure in the UK, which has disrupted up to 1 million travellers, is now apparently being blamed on a badly filed travel plan input by a French airline. IF this turns out to be true it really does highlight the need for testing to not only provide confidence that a system works as intended, but also for it to robustly test the error handling capabilities by creating and running test cases covering all likely and as many unlikely fail scenarios as possible. The big question is "How many is enough and which ones do we do with the time/resource we have available?" You cannot have a risk-free system, and history is littered with the remains of those unforeseen events that triggered major failures! If you want to talk "Testing" please get in touch with UnicornX

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