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.

This patch also moves "commands" and "setenv"
from [testenv:pyNN] sections to [testenv].

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

Change-Id: Ic9c99015516c31cbda2a626f8df4ff2f8dc3d852

.gitignore

@@ -15,7 +15,7 @@ coverage.xml
 *.py[co]
 .DS_Store
 *.log
-.testrepository
+.stestr/
 subunit.log
 .eggs
 AUTHORS
@@ -29,4 +29,4 @@ ChangeLog
 .coverage.*
 releasenotes/build
 
-.vscode/
+.vscode/

.stestr.conf

@@ -0,0 +1,4 @@
+[DEFAULT]
+test_path=./freezerclient/tests/unit
+top_dir=./
+

.testr.conf

@@ -1,9 +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 -s ${OS_TEST_PATH:-./freezerclient/tests/unit} -t . $LISTOPT $IDOPTION
-
-test_id_option=--load-list $IDFILE
-test_list_option=--list
-group_regex=([^\.]+\.)+

lower-constraints.txt

@@ -40,12 +40,13 @@ pytz==2013.6
 PyYAML==3.12
 reno==2.5.0
 requests==2.14.2
+setuptools==21.0.0
 six==1.10.0
 snowballstemmer==1.2.1
 Sphinx==1.6.5
 sphinxcontrib-websupport==1.0.1
 stevedore==1.20.0
-testrepository==0.0.18
+stestr==2.0.0
 testtools==2.2.0
 traceback2==1.4.0
 unittest2==1.1.0

test-requirements.txt

@@ -6,5 +6,5 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0.0 # BSD
 pylint==1.4.5 # GPLv2
-testrepository>=0.0.18 # Apache-2.0/BSD
+stestr>=2.0.0 # Apache-2.0
 testtools>=2.2.0 # MIT

tox.ini

@@ -10,7 +10,19 @@ deps =
     -r{toxinidir}/test-requirements.txt
 
 install_command = pip install {opts} {packages}
-setenv = VIRTUAL_ENV={envdir}
+setenv =
+    VIRTUAL_ENV={envdir}
+    PYTHON=coverage run --source freezerclient --parallel-mode
+    OS_TEST_PATH = ./freezerclient/tests/unit
+commands =
+    find . -type f -name "*.py[c|o]" -delete
+    stestr run '{posargs}'
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
+    coverage report -m
+    rm -f .coverage
+    rm -rf .testrepository
 
 whitelist_externals =
     find
@@ -25,36 +37,12 @@ commands = {posargs}
 
 [testenv:py27]
 basepython = python2.7
-setenv =
-    OS_TEST_PATH = ./freezerclient/tests/unit
-commands =
-    find . -type f -name "*.py[c|o]" -delete
-    python setup.py testr --coverage --testr-args="{posargs}"
-    coverage report -m
-    rm -f .coverage
-    rm -rf .testrepository
 
 [testenv:py35]
 basepython = python3.5
-setenv =
-  OS_TEST_PATH = ./freezerclient/tests/unit
-commands =
-    find . -type f -name "*.py[c|o]" -delete
-    python setup.py testr --coverage --testr-args="{posargs}"
-    coverage report -m
-    rm -f .coverage
-    rm -rf .testrepository
 
 [testenv:py36]
 basepython = python3.6
-setenv =
-  OS_TEST_PATH = ./freezerclient/tests/unit
-commands =
-    find . -type f -name "*.py[c|o]" -delete
-    python setup.py testr --coverage --testr-args="{posargs}"
-    coverage report -m
-    rm -f .coverage
-    rm -rf .testrepository
 
 [testenv:docs]
 deps = -r{toxinidir}/doc/requirements.txt