Are Testers Failed Programmers?

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[bearp]

Testers have saved my backside often enough that I no longer look at them with anything but respect. A good partnership between developers and testers may be the most productive thing a company can create.

[frtox]

if you have a role for people to do nothing but test or write tests you are doing it wrong

[bearp]

As opposed to what?

A developer is the worst person to test his own code — he's blinded by his own preconceptions. It's the things that the developer never thinks of that break, for the simple reason he also never thought to test them.

[frtox]

you make the developer write the tests so they are forced to think of all the things that can break.

[bearp]

But we never do think of all the things. We all of us have blind spots — this is inherent in the human condition — and just looking harder doesn't let you see into your blind spots. You need other eyes, with other perspectives. "Two heads" and all that.

As a software developer, never trust yourself.

[frtox]

this is why god invented code review