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===============
Debugging Tests
===============
Running tests through testrepository_ makes it difficult to use pdb for
debugging them. oslotest includes ``oslo_debug_helper`` to make using
pdb simpler/possible.
First, add a pdb call to the test code::
import pdb; pdb.set_trace()
Then run the tests through ``oslo_debug_helper`` like
::
$ oslo_debug_helper [tests to run]
or
::
$ tox -e venv -- oslo_debug_helper [tests to run]
.. seealso::
* https://wiki.openstack.org/wiki/Testr
.. _testrepository: https://pypi.org/project/testrepository
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