Use stestr as a test runner

This commit makes to use stestr as a test runner instead of testr. This
is aligned to the PTI[0].

[0] https://governance.openstack.org/tc/reference/pti/python.html#python-test-running

Change-Id: Iaddccfeea154cef9b711d11eaea2af30987877de

.gitignore

@@ -25,7 +25,8 @@ pip-log.txt
 .coverage
 .tox
 nosetests.xml
-.testrepository
+.stestr/
+cover/
 
 # Translations
 *.mo

.stestr.conf

@@ -0,0 +1,2 @@
+[DEFAULT]
+test_path=./bashate/tests

.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 ./ . $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

test-requirements.txt

@@ -12,7 +12,6 @@ python-subunit>=0.0.18
 sphinx!=1.6.6,!=1.6.7,<2.0.0;python_version=='2.7'  # BSD
 sphinx!=1.6.6,!=1.6.7,!=2.1.0;python_version>='3.4'  # BSD
 openstackdocstheme>=1.11.0 # Apache-2.0
-testrepository>=0.0.18
-testscenarios>=0.4
-testtools>=1.4.0
+testtools>=2.2.0
+stestr>=1.0.0 # Apache-2.0
 reno!=2.3.1,>=1.8.0 # Apache-2.0

tox.ini

@@ -8,9 +8,11 @@ usedevelop = True
 install_command = pip install -U {opts} {packages}
 setenv =
    VIRTUAL_ENV={envdir}
+whitelist_externals = *
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-commands = python setup.py testr --slowest --testr-args='{posargs}'
+commands =
+   stestr run --slowest {posargs}
 
 [testenv:pep8]
 basepython = python3
@@ -25,8 +27,16 @@ basepython = python3
 commands = {posargs}
 
 [testenv:cover]
-basepython = python3
-commands = python setup.py testr --coverage --testr-args='{posargs}'
+setenv =
+  PYTHON=coverage run --source bashate --parallel-mode
+commands =
+  coverage erase
+  find . -type f -name "*.pyc" -delete
+  stestr --test-path ./bashate/tests run {posargs}
+  coverage combine
+  coverage html -d cover
+  coverage xml -o cover/coverage.xml
+  coverage report
 
 [testenv:releasenotes]
 basepython = python3