30 Nov 2010 robertc   » (Master)

testrepository iteration for python projects

Tesetrepository has a really nice workflow for fixing a set of failing tests:

  1. Tell it about the failing tests (e.g. by doing a full test run, or running a single known failing test)
  2. Run just the known failing tests (testr run –failing)
  3. Make a change
  4. Goto step 2

As you fix up the tests testr will just give your test runner a smaller and smaller list of tests to run.

However I haven’t been able to use that feature when developing (most) Python programs.

Today though, I added the necessary support to testtools, and as a result subunit (which inherits its thin test runner shim from testtools) now supports –load-list. With this a simple .testr.conf can support this lovely workflow. This is the one used in testrepository itself: it runs the testrepository tests, which are regular unittest tests, using subunit.run – this gives it subunit output, and tells testrepository how to run a subset of tests.

test_command=python -m subunit.run $IDOPTION testrepository.tests.test_suite
test_id_option=--load-list $IDFILE

Syndicated 2010-11-30 06:14:00 from Code happens

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