Hi guys,

when writing tests, I suddenly discovered that unittest
is not isolated to warnings.

Example:
One of my tests emits warnings when a certain condition is
met. Instead of reporting the error immediately, it uses
warnings, and at the end of the test, an error is produced
if there were warnings.

        if hasattr(__main__, "__warningregistry__"):
            raise RuntimeError("There are errors, see above.")

By chance, I discovered that an error was suddenly triggered without
a warning. That must mean the warning existed already from
another test as a left-over.

My question:
Is that known, and is that intended?
To what extent are the test cases isolated from each other?

I do admit that my usage of warnings is somewhat special.
But it is very convenient to report many errors on remote servers.

Cheers -- Chris

-- 
Christian Tismer             :^)   tis...@stackless.com
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14482 Potsdam                :     GPG key -> 0xFB7BEE0E
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