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| -rw-r--r-- | doc/TESTS.rst.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/TESTS.rst.txt b/doc/TESTS.rst.txt index bfea0e117..876f37bc5 100644 --- a/doc/TESTS.rst.txt +++ b/doc/TESTS.rst.txt @@ -374,3 +374,13 @@ at the end of the test run. Skipped tests are marked as ``'S'`` in the test results (or ``'SKIPPED'`` for ``verbose > 1``), and known failing tests are marked as ``'K'`` (or ``'KNOWN'`` if ``verbose > 1``). + +Tests on random data +-------------------- + +Tests on random data are good, but since test failures are meant to +expose new bugs or regressions, a test that passes most of the time +but fails occasionally with no code changes is not helpful. +Make the random data deterministic by setting the random number seed +before generating it. Either Python's ``random.seed()`` or Numpy's +``numpy.random.seed()``, depending on the source of random numbers. |