I love assert

Ethan Furman ethan at stoneleaf.us
Sat Nov 29 23:33:39 CET 2014

On 11/28/2014 05:30 PM, Steven D'Aprano wrote:
> alister wrote:
>> And as may wiser people than me have already highlighted Assertions can
>> be switched off in python which means they cannot be relied upon in
>> production code invalidating the authors suggestion that they can
>> automate bug reports & "Extend testing into the lifetime of the product"
> I'm afraid that you appear to have missed the point of assertions as tests.
> Since they should never be used to *enforce* correct behaviour, but only to
> *verify* behaviour is correct (i.e. as a form of testing), it doesn't
> matter if you disable them. If I turn them off, all that happens is that
> the tests won't run *for me*. The software will still be just as correct,
> or just as buggy, regardless of the assertions.

And you have missed the point that building an intricate error-reporting, program restarting framework on top of
'assert' is ridiculous.


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