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: I9d22be39bec67fc17841367a0ef0ac439143af6c

.gitignore

@@ -26,7 +26,7 @@ pip-log.txt
 # Unit test / coverage reports
 .coverage
 .tox
-nosetests.xml
+.stestr/
 cover
 
 # Translations
@@ -35,8 +35,6 @@ cover
 AUTHORS
 ChangeLog
 
-.testrepository
-
 # generated policy file
 etc/blazar/policy.yaml.sample
 

.stestr.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=${TEST_PATH:-./blazar/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:-60} \
-             ${PYTHON:-python} -m subunit.run discover $DISCOVER_DIRECTORY $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

blazar/tests/__init__.py

@@ -17,10 +17,10 @@ import fixtures
 import tempfile
 import testscenarios
 
-from oslo_config import cfg
 from oslo_log import log as logging
 from oslotest import base
 
+from blazar import config as cfg
 from blazar import context
 from blazar.db.sqlalchemy import api as db_api
 from blazar.db.sqlalchemy import facade_wrapper

lower-constraints.txt

@@ -100,7 +100,7 @@ statsd==3.2.2
 stevedore==1.20.0
 Tempita==0.5.2
 tenacity==4.9.0
-testrepository==0.0.18
+stestr==2.0.0
 testresources==2.0.1
 testscenarios==0.4
 testtools==2.2.0

test-requirements.txt

@@ -5,7 +5,7 @@ hacking>=3.0.1,<3.1.0 # Apache-2.0
 
 ddt>=1.0.1 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
-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
 coverage!=4.4,>=4.0 # Apache-2.0

tox.ini

@@ -16,7 +16,7 @@ setenv = VIRTUAL_ENV={envdir}
          DISCOVER_DIRECTORY=blazar/tests
          PYTHONHASHSEED=0
 commands =
-  lockutils-wrapper python setup.py testr --slowest --testr-args="{posargs}"
+    stestr run --slowest {posargs}
 
 sitepackages = False
 
@@ -25,12 +25,12 @@ setenv =
   {[testenv]setenv}
   PYTHON=coverage run --source blazar --parallel-mode
 commands =
-  coverage erase
-  lockutils-wrapper python setup.py testr --testr-args="{posargs}"
-  coverage combine
-  coverage html -d cover
-  coverage xml -o cover/coverage.xml
-  coverage report
+    coverage erase
+    stestr run {posargs}
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
+    coverage report
 
 [testenv:pep8]
 commands = flake8 {posargs}