Opened 14 years ago

Closed 14 years ago

Last modified 14 years ago

#15051 closed (wontfix)

django.test.reorder_suite isn't a stable sort

Reported by: w004dal Owned by: nobody
Component: Testing framework Version: 1.2
Severity: Keywords:
Cc: w004dal@… Triage Stage: Unreviewed
Has patch: no Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description

I have run into cases where tests must run in a specific order (ie. if I'm going to test terminating the web server and see how the web services behind it respond, then I want that test to run last).

The reordering and grouping of tests together in django.test.reorder_suite isn't a "stable sort".

If all of the tests are of the same type, then if I have an array of tests called 'x', then for all permutations of the elements of 'x', stable_sort(x) == x.

Change History (3)

comment:1 by w004dal, 14 years ago

Cc: w004dal@… added

comment:2 by Russell Keith-Magee, 14 years ago

Resolution: wontfix
Status: newclosed

Unit tests, by definition, can be run in any order. If you have tests that need to run in a particular order, then you don't have unit tests.

comment:3 by w004dal, 14 years ago

What about a general wisdom to "fail early and fail fast"? Wouldn't it be a 'nice-to-have' to run them in ascending order of cost?

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