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Jelena Cupac's avatar

Should every requirement include concrete inputs and outputs?

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Valentina Jemuović's avatar

We can formulate a requirement in general and specific form.

General form:

Order price should be calculated by multiplying unit price by quantity.

Specific form (input) --> (output):

(unit price = $5, quantity = 2) --> (total price = $10)

(unit price = $20, quantity = 3) --> (total price = $60)

You need the specific example-based form so that you can write Acceptance Tests.

On the other hand, the general form is useful to convey the rule / calculation to guide developers in implementation.

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