Migrate to stestr

testr isn't what we use anymore.

Change-Id: I4cb8b9ca41da6efd7053a5a7bacfce1654a73576

.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:-60} \
-             ${PYTHON:-python} -m subunit.run discover -t ./ ./cliff $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

lower-constraints.txt

@@ -28,8 +28,8 @@ smmap==0.9.0
 snowballstemmer==1.2.1
 Sphinx==2.0.0
 sphinxcontrib-websupport==1.0.1
+stestr==1.0.0
 stevedore==1.20.0
-testrepository==0.0.18
 testscenarios==0.4
 testtools==2.2.0
 traceback2==1.4.0

test-requirements.txt

@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 python-subunit>=1.0.0 # Apache-2.0/BSD
-testrepository>=0.0.18 # Apache-2.0/BSD
+stestr>=1.0.0 # Apache-2.0
 testtools>=2.2.0 # MIT
 mock>=2.0.0 # BSD
 testscenarios>=0.4 # Apache-2.0/BSD

tox.ini

@@ -12,8 +12,8 @@ setenv =
     OS_TEST_TIMEOUT=60
 distribute = False
 commands =
-  python setup.py test --coverage --coverage-package-name=cliff --slowest --testr-args='{posargs}'
-  coverage report --show-missing
+  stestr run {posargs}
+  stestr slowest
 deps =
   -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/upper-constraints.txt}
   -r{toxinidir}/test-requirements.txt
@@ -53,3 +53,13 @@ deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
+
+[testenv:cover]
+setenv =
+    {[testenv]setenv}
+    PYTHON=coverage run --source cliff --parallel-mode
+commands =
+    stestr run {posargs}
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml