ostestr --pdb is not working without running 'testr init' first

[Pavlo Shchelokovskyy]

using os-testr 1.0.0

Although os-testr has switched to 'stestr' as underlying test runner, it still calls out to the
'testr load --subunit' command when being run with '--pdb' or '--no-pretty --subunit' [0]

On a freshly checked out code that is already using os-testr 1.0.0 there is no '.testrepository' folder created, so such command fail with

'No repository found in <repo-path>. Create one by running "testr init".'

running 'testr init' manually solves this.

[0] http://git.openstack.org/cgit/openstack/os-testr/tree/os_testr/ostestr.py#n177

Reproduce:

$ cd /tmp && git clone git://git.openstack.org/openstack/os-testr && cd os-testr
$ tox -epy27 -- --pdb os_testr.tests.test_ostestr.TestCallers.test_call_subunit_run_sub
py27 create: /tmp/os-testr/.tox/py27
py27 installdeps: -r/tmp/os-testr/requirements.txt, -r/tmp/os-testr/test-requirements.txt
py27 develop-inst: /tmp/os-testr
py27 installed: alabaster==0.7.10,appdirs==1.4.3,Babel==2.5.1,certifi==2017.7.27.1,chardet==3.0.4,coverage==4.4.1,ddt==1.1.1,debtcollector==1.18.0,docutils==0.14,dulwich==0.18.3,extras==1.0.0,fixtures==3.0.0,flake8==2.5.5,funcsigs==1.0.2,future==0.16.0,hacking==0.12.0,idna==2.6,imagesize==0.7.1,iso8601==0.1.11,Jinja2==2.9.6,keystoneauth1==3.2.0,linecache2==1.0.0,MarkupSafe==1.0,mccabe==0.2.1,mock==2.0.0,mox3==0.23.0,openstack-requirements==1.1.0,openstackdocstheme==1.17.0,os-client-config==1.28.0,-e git://git.openstack.org/openstack/os-testr@7dd678e3720c326afb3ca7adfd01ec7324d5f5c7#egg=os_testr,oslotest==2.18.1,packaging==16.8,Parsley==1.3,pbr==3.1.1,pep8==1.5.7,pyflakes==0.8.1,Pygments==2.2.0,pyparsing==2.2.0,python-mimeparse==1.6.0,python-subunit==1.2.0,pytz==2017.2,PyYAML==3.12,requests==2.18.4,requestsexceptions==1.3.0,six==1.11.0,snowballstemmer==1.2.1,Sphinx==1.6.4,sphinxcontrib-websupport==1.0.1,stestr==1.0.0,stevedore==1.27.0,testrepository==0.0.20,testscenarios==0.5.0,testtools==2.3.0,traceback2==1.4.0,typing==3.6.2,unittest2==1.1.0,urllib3==1.22,wrapt==1.10.11
py27 runtests: PYTHONHASHSEED='1977009296'
py27 runtests: commands[0] | find . -type f -name *.pyc -delete
py27 runtests: commands[1] | ostestr --pdb os_testr.tests.test_ostestr.TestCallers.test_call_subunit_run_sub
No repository found in /tmp/os-testr. Create one by running "testr init".
The test run didn't actually run any tests
Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/tmp/os-testr/.tox/py27/lib/python2.7/site-packages/subunit/run.py", line 149, in <module>
    main()
  File "/tmp/os-testr/.tox/py27/lib/python2.7/site-packages/subunit/run.py", line 145, in main
    stdout=stdout, exit=False)
  File "/tmp/os-testr/.tox/py27/local/lib/python2.7/site-packages/testtools/run.py", line 187, in __init__
    self.runTests()
  File "/tmp/os-testr/.tox/py27/local/lib/python2.7/site-packages/testtools/run.py", line 221, in runTests
    self.result = testRunner.run(self.test)
  File "/tmp/os-testr/.tox/py27/lib/python2.7/site-packages/subunit/run.py", line 62, in run
    result, _ = self._list(test)
  File "/tmp/os-testr/.tox/py27/lib/python2.7/site-packages/subunit/run.py", line 100, in _list
    result.status(test_id=test_id, test_status='exists')
  File "/tmp/os-testr/.tox/py27/local/lib/python2.7/site-packages/subunit/v2.py", line 120, in status
    route_code=route_code, timestamp=timestamp)
  File "/tmp/os-testr/.tox/py27/local/lib/python2.7/site-packages/subunit/v2.py", line 228, in _write_packet
    self.output_stream.write(data)
IOError: [Errno 32] Broken pipe
ERROR: InvocationError: '/tmp/os-testr/.tox/py27/bin/ostestr --pdb os_testr.tests.test_ostestr.TestCallers.test_call_subunit_run_sub'
___________________________________________________________________________________ summary ____________________________________________________________________________________
ERROR: py27: commands failed

[OpenStack Infra (hudson-openstack)]

Change abandoned by Pavlo Shchelokovskyy (<email address hidden>) on branch: master
Review: https://review.openstack.org/509752
Reason: ostestr is deprecated in favor of stestr