Switch to stestr

According to an Openstack summit session [1], stestr is a 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.opendev.org/p/YVR-python-pti

Change-Id: Ie2169026d93ca85337db429c171ff1f82c2fa0d5

.gitignore

@@ -26,12 +26,10 @@ pip-log.txt
 # Unit test / coverage reports
 .coverage
 .tox
-nosetests.xml
+.stestr/
 
 # Translations
 *.mo
 
 AUTHORS
 ChangeLog
-
-.testrepository

.stestr.conf

@@ -0,0 +1,4 @@
+[DEFAULT]
+test_path=./blazarnova/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 blazarnova $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

test-requirements.txt

@@ -7,7 +7,7 @@ hacking>=4.0.0,<4.1.0 # Apache-2.0
 mock>=3.0.0 # BSD
 
 fixtures>=3.0.0 # Apache-2.0/BSD
-testrepository>=0.0.20 # Apache-2.0/BSD
+stestr>=2.0.0 # Apache-2.0
 testtools>=2.2.0 # MIT
 coverage!=4.4,>=4.0 # Apache-2.0
 wsgi-intercept>=1.7.0 # MIT License

tox.ini

@@ -15,11 +15,18 @@ setenv = VIRTUAL_ENV={envdir}
          EVENTLET_NO_GREENDNS=yes
          PYTHONHASHSEED=0
 commands =
-    python setup.py testr --slowest --testr-args="{posargs}"
+    stestr run --slowest {posargs}
 sitepackages = False
 
 [testenv:cover]
-commands = python setup.py testr --coverage --testr-args="{posargs}"
+basepython = python3
+setenv =
+    PYTHON=coverage run --source blazarnova --parallel-mode
+commands =
+    stestr run '{posargs}'
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
 
 [testenv:pep8]
 commands = flake8 {posargs}