#27255: Change test runner to display full dotted name of test
Reporter: Chris Jerdonek | Owner: nobody
Type: Uncategorized | Status: new
Component: Testing framework | Version: master
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
At least twice in the past (#26659 and #23332), it has been suggested to
change Django's test runner to display the full dotted name of tests in
test output, for example:
FAIL: test_output (test_runner.test_discover_runner.DiscoverRunnerTest)
The reasoning is that this is more convenient for developers: a failing
test could be rerun simply by copying and pasting the test name directly
from the test output, as is.
Previously, in #23332, this suggestion was closed with the following
> Django uses the built-in unittest library of Python, and the test output
is entirely handled by unittest. So there is nothing in Django which could
be changed to modify this output.
However, I don't think this summary is accurate because unittest makes it
very easy to change the test output (I would even say it facilitates
this), for example by exposing various subclass hooks on its test runner
and friends. Django indeed is
already doing this] and modifying the test output in certain cases using
`DebugSQLTextTestResult`. Django also customizes `unittest`'s test running
in other ways.
The customizability of test output is also supported by the
[http://bugs.python.org/issue22431#msg230957 following comment] by the
author of `unittest`, Michael Foord, in response to a request that this
change be made in unittest itself:
> I agree with Robert that the text output of the default runner should
not be considered a part of the "api" that we make backwards compatible
guarantees about. People who want to customise that should be customising
the text runner/result.
I hope you can reconsider. I put together a patch with tests and will
submit a PR shortly. You will see that the change is non-intrusive and
uses the customizability exposed by unittest.
Ticket URL: <https://code.djangoproject.com/ticket/27255>
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