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: I6f59056abec4ee0021d705bd74b907029b4e8664

.gitignore

@@ -5,6 +5,7 @@
 cover
 .tox
 .testrepository
+.stestr/
 
 # Packages
 .eggs

.stestr.conf

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

.testr.conf

@@ -1,4 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_TEST_TIMEOUT=60 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./tripleo_repos ./tripleo_repos $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

requirements.txt

@@ -3,4 +3,4 @@
 # process, which may cause wedges in the gate later.
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
-requests>=2.10.0,!=2.12.2  # Apache-2.0
+requests>=2.10.0 # Apache-2.0

test-requirements.txt

@@ -12,9 +12,10 @@ oslotest>=1.10.0 # Apache-2.0
 testrepository>=0.0.18  # Apache-2.0/BSD
 testscenarios>=0.4  # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
+stestr>=2.0.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0 # BSD
 
 # releasenotes
-reno>=1.8.0,!=2.3.1  # Apache-2.0
+reno>=2.5.0  # Apache-2.0
 

tox.ini

@@ -9,7 +9,7 @@ install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstac
 setenv = VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/test-requirements.txt
        -r{toxinidir}/requirements.txt
-commands = python setup.py testr --slowest --testr-args='{posargs}'
+commands = stestr run --slowest {posargs}
 
 [testenv:venv]
 commands = {posargs}
@@ -22,7 +22,13 @@ deps = flake8
 commands = flake8
 
 [testenv:cover]
-commands = python setup.py test --coverage --coverage-package-name=tripleo_repos --testr-args='{posargs}'
+setenv =
+    PYTHON=coverage run --source tripleo_repos --parallel-mode
+commands =
+    stestr run '{posargs}'
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
 
 [flake8]
 ignore = H803