Comply with Python PTI

as described in
https://governance.openstack.org/tc/reference/pti/python.html
projects should use 'stestr' as unit tests runner.

This patch moves unit and coverage tests to use stestr as test runner
instead of nose.

Change-Id: I8508caa6ea08c5c98b67f34be7f61417df2d7c1e

.gitignore

@@ -15,6 +15,7 @@ venv
 .*.swp
 .DS_Store
 .testrepository
+.stestr/*
 versioninfo
 var/*
 ChangeLog

.stestr.conf

@@ -0,0 +1,4 @@
+[DEFAULT]
+test_path=${OS_TEST_PATH:-./tests/}
+top_dir=./
+group_regex=([^\.]+\.)+

lower-constraints.txt

@@ -33,9 +33,6 @@ msgpack-python==0.4.0
 munch==2.1.0
 netaddr==0.7.18
 netifaces==0.10.4
-nose==1.3.7
-nose-exclude==0.3.0
-openstack.nose-plugin==0.7
 openstackdocstheme==1.18.1
 openstacksdk==0.11.2
 os-client-config==1.28.0
@@ -62,7 +59,7 @@ pytz==2013.6
 PyYAML==3.12
 reno==2.5.0
 requests==2.14.2
-requests-mock==1.1.0
+requests-mock==1.2.0
 requestsexceptions==1.2.0
 rfc3986==0.3.1
 simplejson==3.5.1
@@ -70,9 +67,9 @@ six==1.10.0
 snowballstemmer==1.2.1
 Sphinx==1.6.5
 sphinxcontrib-websupport==1.0.1
+stestr==1.0.0
 stevedore==1.20.0
 termcolor==1.1.0
-testrepository==0.0.18
 testtools==2.2.0
 traceback2==1.4.0
 unittest2==1.1.0

test-requirements.txt

@@ -7,13 +7,10 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 # Unit testing
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0.0 # BSD
-testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
 
 # Test runner
-nose>=1.3.7 # LGPL
-nose-exclude>=0.3.0 # LGPL
-openstack.nose-plugin>=0.7 # Apache-2.0
+stestr>=1.0.0 # Apache-2.0
 
 # Metrics and style
 coverage!=4.4,>=4.0 # Apache-2.0

tox.ini

@@ -8,19 +8,15 @@ usedevelop = True
 # Customize pip command, add -U to force updates.
 install_command = pip install {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
-         NOSE_WITH_OPENSTACK=1
-         NOSE_OPENSTACK_COLOR=1
-         NOSE_OPENSTACK_RED=0.05
-         NOSE_OPENSTACK_YELLOW=0.025
-         NOSE_OPENSTACK_SHOW_ELAPSED=1
-         NOSE_OPENSTACK_STDOUT=1
+         OS_STDOUT_CAPTURE=1
+         OS_STDERR_CAPTURE=1
+         OS_TEST_TIMEOUT=60
 deps =
        -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands = find . -type f -name "*.pyc" -delete
-           nosetests {posargs}
-
+           stestr run {posargs}
 whitelist_externals = find
 
 [tox:jenkins]
@@ -31,7 +27,12 @@ commands = flake8
 
 [testenv:cover]
 setenv = {[testenv]setenv}
-         NOSE_WITH_COVERAGE=1
+         PYTHON=coverage run --source zaqarclient --parallel-mode
+commands =
+    stestr -q run {posargs}
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
 
 [testenv:venv]
 commands = {posargs}