None of that touches the actual limit, which is that somebody has to sit down, read the requirement, work out what could go wrong, and write the cases. Ask a competent engineer to cover it and you will reliably get three cases: a valid code is accepted an invalid code is rejected an expired code is rejected Those three are not a failure of skill.
None of that touches the actual limit, which is that somebody has to sit down, read the requirement, work out what could go wrong, and write the cases.
Ask a competent engineer to cover it and you will reliably get three cases: a valid code is accepted an invalid code is rejected an expired code is rejected Those three are not a failure of skill.
The requirement has one happy path and two named error conditions, so you get one happy path and two named error conditions.
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None of that touches the actual limit, which is that somebody has to sit down, read the requirement, work out what could go wrong, and write the cases. Ask a competent engineer to cover it and you will reliably get three cases: a valid code is accepted an invalid code is rejected an expired code is rejected Those three are not a failure of skill. The requirement has one happy path and two named error conditions, so you get one happy path and two named error conditions.
There is a ceiling on your test coverage and it is not technical. Running tests has been a solved problem for a long time.
Runners are fast, parallelism is cheap, CI is a commodity. As a customer I can apply a promo code at checkout. They are the three cases stated in the requirement.
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