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: I3597edc56ac5115347baaf72af72b071976468e7

.gitignore

@@ -25,7 +25,7 @@ pip-log.txt
 # Unit test / coverage reports
 .coverage
 .tox
-.testrepository
+.stestr/
 flake8.log
 cover
 

.stestr.conf

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

.testr.conf

@@ -1,5 +0,0 @@
-[DEFAULT]
-test_command=${PYTHON:-python} -m subunit.run discover -s ./barbicanclient -t . $LISTOPT $IDOPTION
-
-test_id_option=--load-list $IDFILE
-test_list_option=--list

lower-constraints.txt

@@ -65,7 +65,7 @@ rfc3986==0.3.1
 simplejson==3.5.1
 six==1.10.0
 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

@@ -6,7 +6,7 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 requests-mock>=1.2.0 # Apache-2.0
 mock>=2.0.0 # BSD
-testrepository>=0.0.18 # Apache-2.0/BSD
+stestr>=2.0.0 # Apache-2.0
 testtools>=2.2.0 # MIT
 oslotest>=3.2.0 # Apache-2.0
 nose>=1.3.7 # LGPL

tox.ini

@@ -7,6 +7,7 @@ skipsdist = True
 usedevelop = True
 install_command = pip install {opts} {packages}
 setenv =
+   PYTHON=coverage run --source barbicanclient --parallel-mode
    VIRTUAL_ENV={envdir}
 deps =
        -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
@@ -16,7 +17,10 @@ deps =
 commands =
     rm -f .testrepository/times.dbm
     coverage erase
-    python setup.py testr --coverage --testr-args='{posargs}'
+    stestr run '{posargs}'
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
     coverage report -m
 
 [testenv:debug]