Switch to using stestr

According to Openstack summit session [1] stestr is maintained
project to which all Openstack projects should migrate.
Let's switch it then.

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

Change-Id: Ifb64df81f7684d5bf732afcbe594a38691a7286f
Signed-off-by: Chuck Short <chucks@redhat.com>

.gitignore

@@ -27,6 +27,7 @@ cover/
 !.coveragerc
 .tox
 nosetests.xml
+.stestr
 .testrepository
 .venv
 
@@ -55,4 +56,4 @@ ChangeLog
 .*sw?
 
 # Files created by releasenotes build
-releasenotes/build
+releasenotes/build

.stestr.conf

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

lower-constraints.txt

@@ -50,7 +50,6 @@ networkx==1.11
 openstackdocstheme==1.18.1
 os-api-ref==1.4.0
 os-client-config==1.29.0
-os-testr==1.0.0
 oslo.cache==1.29.0
 oslo.concurrency==3.26.0
 oslo.config==5.2.0
@@ -106,7 +105,7 @@ sqlalchemy-migrate==0.11.0
 SQLAlchemy==1.2.5
 sqlparse==0.2.4
 statsd==3.2.2
-stestr==2.0.0
+stestr==1.0.0
 stevedore==1.20.0
 taskflow==2.16.0
 Tempita==0.5.2

test-requirements.txt

@@ -14,7 +14,7 @@ openstackdocstheme>=1.18.1 # Apache-2.0
 os-api-ref>=1.4.0 # Apache-2.0
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
-os-testr>=1.0.0 # Apache-2.0
+stestr>=1.0.0 # Apache-2.0
 requests-mock>=1.2.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testresources>=2.0.0 # Apache-2.0/BSD

tox.ini

@@ -7,7 +7,6 @@ skipsdist = True
 usedevelop = True
 install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
-         OS_TEST_PATH=./masakari/tests/unit
          LANGUAGE=en_US
          LC_ALL=en_US.utf-8
 deps = -r{toxinidir}/test-requirements.txt
@@ -15,7 +14,7 @@ whitelist_externals = bash
                       find
                       rm
                       env
-# By default ostestr will set concurrency
+# By default stestr will set concurrency
 # to ncpu, to specify something else use
 # the concurrency=<n> option.
 # call ie: 'tox -epy27 -- --concurrency=4'
@@ -27,12 +26,12 @@ passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY OS_DEB
 [testenv:py27]
 commands =
     {[testenv]commands}
-    ostestr '{posargs}'
+    stestr run {posargs}
 
 [testenv:py35]
 commands =
     {[testenv]commands}
-    ostestr '{posargs}'
+    stestr run {posargs}
 
 [testenv:genconfig]
 commands = oslo-config-generator --config-file=etc/masakari/masakari-config-generator.conf