Migrating to testr

Unit Tests and coverage will be launched using testr now.

Change-Id: Ib7397181de1137b94bb791cc532384c69679dcda
Fixes: bug #1259921

.gitignore

@@ -42,5 +42,7 @@ tools/lintstack.head.py
 tools/pylint_exceptions
 savanna/tests/cover
 savanna/tests/coverage.xml
+cover
 htmlcov
 savanna/openstack/common/db/savanna.sqlite
+.testrepository

test-requirements.txt

@@ -1,6 +1,7 @@
 hacking>=0.8.0,<0.9
 
 coverage>=3.6
+discover
 docutils==0.9.1
 fixtures>=0.3.14
 mock>=1.0
@@ -10,6 +11,7 @@ oslo.sphinx
 pylint==0.25.2
 sphinx>=1.1.2,<1.2
 sphinxcontrib-httpdomain
+testrepository>=0.0.17
 unittest2
 
 python-savannaclient>=0.4.0

tox.ini

@@ -18,7 +18,7 @@ setenv =
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt
-commands = nosetests -w unit {posargs}
+commands = python setup.py test --slowest --testr-args="{posargs}"
 
 [testenv:integration]
 setenv =
@@ -33,7 +33,8 @@ setenv =
 commands = nosetests -w integration -x {posargs}
 
 [testenv:cover]
-setenv = NOSE_WITH_COVERAGE=1
+VIRTUAL_ENV={envdir}
+commands = python setup.py testr --coverage --testr-args='{posargs}'
 
 [tox:jenkins]
 downloadcache = ~/cache/pip