Replace testr with stestr

Switch to use stestr which is maintained as opposed
to testrepository (testr) which became a defunct project.

Change-Id: If53c985b6cf3b4122596f09ec4d0ec4a186688b8

.gitignore

@@ -17,3 +17,5 @@
 
 # Unit test / coverage reports
 cover/
+
+/.stestr

.stestr.conf

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

.testr.conf

@@ -1,4 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} OS_LOG_CAPTURE=${OS_LOG_CAPTURE:-1} ${PYTHON:-python} -m subunit.run discover -t ./ tests $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

test-requirements.txt

@@ -6,6 +6,6 @@ python-subunit
 requests-mock>=1.4.0
 requests-kerberos
 sphinx>=1.2,<1.3.0
-testrepository
+stestr>=2.0.0
 testscenarios
 testtools

tox.ini

@@ -4,14 +4,27 @@ skipsdist = True
 envlist = py{34,27,35}, pep8, pypy
 
 [testenv]
-setenv VIRTUAL_ENV={envdir}
+setenv =
+         PYTHONDONTWRITEBYTECODE=1
+         VIRTUAL_ENV={envdir}
 usedevelop = True
 install_command = pip install {opts} {packages}
 deps = -r{toxinidir}/test-requirements.txt
-commands = python setup.py testr --slowest --testr-args='{posargs}'
+commands =
+    - find . -type f -name "*.pyc" -delete
+    - find . -type d -name "__pycache__" -delete
+    stestr run --slowest {posargs}
+whitelist_externals = find
 
 [testenv:cover]
-commands = python setup.py test --coverage --testr-args='{posargs}'
+setenv =
+    {[testenv]setenv}
+    PYTHON=coverage run --source jenkins --parallel-mode
+commands =
+    stestr run {posargs}
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
 
 [testenv:pep8]
 commands = flake8