[Pdx-pm] interesting testing hole thats been dug
Wil Cooley
wcooley at nakedape.cc
Thu Jan 4 10:04:34 PST 2007
On Wed, 2007-01-03 at 21:27 -0800, Michael G Schwern wrote:
> That's going in the right direction, allowing users to pass in
> elements of your object's composition rather than hard coding it all.
> Why not make that option available publicly? That way they can use a
> different subclass of Net::FTP. Or pass in a differently configured
> Net::FTP object. Or a mock object for testing, just like you're
> doing.
Hm, yes, indeed that's reasonable.
> While testing, if you find your existing interface inadequate chances
> are your users will, too. That's why its better to add to the public
> interface rather than put in private testing hacks.
Yes, that certainly makes sense. It obviously doesn't make sense to
require $obj->isa('Net::FTP'), because with duck-typing it doesn't
actually have to be a subclass. How thoroughly should I test with
$obj->can() for the object's abilities?
Wil
--
Wil Cooley <wcooley at nakedape.cc>
http://nakedape.cc
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