Replace testr with stestr

Switch to use stestr which is maintained as opposed
to testrepository (testr) which became a defunct project.

Change-Id: I47f628a7d224189362f2b2cfd9fe4c54af198cde

.gitignore

@@ -20,4 +20,5 @@ jenkins_jobs/versioninfo
 cover/
 jenkins-job-builder
 testr_subunit_log
-__pycache__
+__pycache__
+/.stestr

.stestr.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=tests
+top_dir=./

.testr.conf

@@ -1,4 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} OS_LOG_CAPTURE=${OS_LOG_CAPTURE:-1} ${PYTHON:-python} -m subunit.run discover -t ./ tests $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

test-requirements.txt

@@ -9,7 +9,7 @@ python-subunit>=0.0.18 # Apache-2.0/BSD
 sphinx>=1.5.0,<1.7.0
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
-testrepository>=0.0.18 # Apache-2.0/BSD
+stestr>=2.0.0 # Apache-2.0/BSD
 tox>=2.9.1 # MIT
 mock>=2.0 # BSD
 sphinxcontrib-programoutput

tox.ini

@@ -20,7 +20,7 @@ deps = -r{toxinidir}/test-requirements.txt
 commands =
     - find . -type f -name "*.pyc" -delete
     - find . -type d -name "__pycache__" -delete
-    python setup.py testr --slowest --testr-args='{posargs}'
+    stestr run --slowest {posargs}
 whitelist_externals =
     bash
     find
@@ -28,17 +28,21 @@ whitelist_externals =
 [testenv:tips]
 # tests what happens with unreleased version of dependencies, like python-jenkins
 install_command = pip install -U {opts} {packages}
-ignore_outcome = true
 commands =
     bash -c "if [ -d {toxinidir}/../python-jenkins ]; then \
     pip install -q -U -e 'git+file://{toxinidir}/../python-jenkins#egg=python-jenkins' ; else \
     pip install -q -U -e 'git+https://git.openstack.org/openstack/python-jenkins@master#egg=python-jenkins' ; fi "
-    python setup.py testr --slowest --testr-args='{posargs}'
+    stestr run --slowest {posargs}
 
 [testenv:cover]
+setenv =
+    {[testenv]setenv}
+    PYTHON=coverage run --source jenkins_jobs --parallel-mode
 commands =
-  python setup.py test --coverage --coverage-package-name=jenkins_jobs
-  coverage report
+    stestr run {posargs}
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
 
 [testenv:pep8]
 commands = flake8