Switch to stestr

According to Openstack summit session [1],
stestr is maintained project to which all Openstack projects should migrate.
Let's switch to stestr as other projects have already moved to it.

[1] https://etherpad.openstack.org/p/YVR-python-pti

Change-Id: I63079f352ff36dda4f3f64a8681431a319791f0e

.gitignore

@@ -24,7 +24,7 @@ __pycache__/
 *$py.class
 
 # the files generated from tox command.
-.testrepository/
+.stestr/
 AUTHORS
 ChangeLog
 doc/build

.stestr.conf

@@ -0,0 +1,4 @@
+[DEFAULT]
+test_path=./tests
+top_dir=./
+

.testr.conf

@@ -1,7 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
-             OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
-             OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-7200} \
-             ${PYTHON:-python} -m subunit.run discover ${OS_TEST_PATH:-.} $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

lower-constraints.txt

@@ -93,7 +93,7 @@ snowballstemmer==1.2.1
 Sphinx==1.6.2
 sphinxcontrib-websupport==1.0.1
 stevedore==1.28.0
-testrepository==0.0.18
+stestr==2.0.0
 testscenarios==0.4
 testtools==2.2.0
 traceback2==1.4.0

requirements.txt

@@ -11,3 +11,4 @@ setuptools!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.
 PyYAML>=3.12 # MIT
 netaddr>=0.7.18 # BSD
 cryptography>=2.1 # BSD/Apache-2.0
+stestr>=2.0.0 # Apache-2.0

test-requirements.txt

@@ -16,6 +16,6 @@ python-ceilometerclient>=2.5.0 # Apache-2.0
 python-neutronclient>=6.7.0 # Apache-2.0
 python-openstackclient>=3.12.0 # Apache-2.0
 pytz>=2013.6 # MIT
-testrepository>=0.0.18 # Apache-2.0/BSD
+stestr>=2.0.0 # Apache-2.0
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT

tox.ini

@@ -17,7 +17,7 @@ passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
 commands =
   find . -type f -name "*.py[c|o]" -delete
   find . -type d -name "__pycache__" -delete
-  python setup.py test --slowest --testr-args='{posargs}'
+  stestr run --slowest {posargs}
 
 [testenv:debug]
 commands = oslo_debug_helper -t tests {posargs}
@@ -28,7 +28,12 @@ setenv = VIRTUAL_ENV={envdir}
          NOSE_COVER_BRANCHES=1
          NOSE_COVER_HTML=1
          NOSE_COVER_HTML_DIR={toxinidir}/cover
-commands = python setup.py testr --coverage --testr-args='{posargs}'
+         PYTHON=coverage run --source kolla_ansible --parallel-mode
+commands =
+    stestr run '{posargs}'
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
 
 [testenv:pep8]
 # sphinx needs to be installed to make doc8 work properly