On 01/07/2012 11:49 AM, Steven D'Aprano wrote:
You may not be able to run tests*simultaneously*, due to clashes involving external resources, but you should be able to run them in random order.
tests that involves external resources should be mocked, although there are always a few external resources that cannot be mocked, those are the exceptions not the rule; a concurrent test runner might have mechanisms to mark them to be run synchronously.
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