Switch to use stestr for unit test

According to Openstack summit session [1],
stestr is maintained project to which all Openstack projects should migrate.
So we should switch to stestr.

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

Change-Id: I28a842859279595eb66f372eff84945cf0828be9
Co-Authored-By: zhurong <aaronzhu1121@gmail.com>

.gitignore

@@ -27,5 +27,5 @@ AUTHORS
 ChangeLog
 tags
 openstack_dashboard/dummydb.sqlite
-.testrepository/
+.stestr/
 test

.stestr.conf

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

.testr.conf

@@ -1,7 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
-             OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
-             OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-60} \
-             ${PYTHON:-python} -m subunit.run discover solumdashboard/tests $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

lower-constraints.txt

@@ -14,7 +14,7 @@ cryptography==2.1.4
 debtcollector==1.19.0
 decorator==4.2.1
 deprecation==2.0
-Django==1.11.11
+Django==1.11
 django-appconf==1.0.2
 django-babel==0.6.2
 django-compressor==2.2
@@ -105,7 +105,7 @@ sphinxcontrib-httpdomain==1.6.1
 sphinxcontrib-pecanwsme==0.8.0
 sphinxcontrib-websupport==1.0.1
 stevedore==1.28.0
-testrepository==0.0.20
+stestr==2.0.0
 testtools==2.3.0
 traceback2==1.4.0
 unittest2==1.1.0

requirements.txt

@@ -1,18 +1,19 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-pbr!=2.1.0,>=2.0.0 # Apache-2.0
+pbr!=2.1.0,>=3.1.1 # Apache-2.0
 # Horizon Core Requirements
-Django<2.0,>=1.11 # BSD
-django-compressor>=2.0 # MIT
-oslo.log>=3.36.0 # Apache-2.0
-python-keystoneclient>=3.8.0 # Apache-2.0
-python-solumclient>=1.2.7 # Apache-2.0
+Django<2,>=1.11;python_version<'3.0'  # BSD
+Django<2.1,>=1.11;python_version>='3.0'  # BSD
+django-compressor>=2.2 # MIT
+oslo.log>=3.37.0 # Apache-2.0
+python-keystoneclient>=3.15.0 # Apache-2.0
+python-solumclient>=2.6.1 # Apache-2.0
 
-oslo.utils>=3.33.0 # Apache-2.0
+oslo.utils>=3.36.0 # Apache-2.0
 
 # message extraction
-Babel!=2.4.0,>=2.3.4 # BSD
+Babel>=2.5.3 # BSD
 django-babel>=0.6.2 # BSD
 
 horizon>=13.0.0 # Apache-2.0

test-requirements.txt

@@ -3,17 +3,17 @@
 # process, which may cause wedges in the gate later.
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
-coverage!=4.4,>=4.0 # Apache-2.0
+coverage>=4.5.1 # Apache-2.0
 mock>=2.0.0 # BSD
 oslo.config>=5.2.0 # Apache-2.0
 pylint==1.4.5 # GPLv2
-selenium>=2.50.1 # Apache-2.0
-testrepository>=0.0.18 # Apache-2.0/BSD
+selenium>=3.11.0 # Apache-2.0
+stestr>=2.0.0 # Apache-2.0
 
-testtools>=2.2.0 # MIT
+testtools>=2.3.0 # MIT
 unittest2>=1.1.0 # BSD
 
-sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
-openstackdocstheme>=1.18.1 # Apache-2.0
+sphinx!=1.6.6,!=1.6.7,>=1.6.5 # BSD
+openstackdocstheme>=1.20.0 # Apache-2.0
 sphinxcontrib-pecanwsme>=0.8.0 # Apache-2.0
-sphinxcontrib-httpdomain>=1.3.0 # BSD
+sphinxcontrib-httpdomain>=1.6.1 # BSD

tox.ini

@@ -13,11 +13,20 @@ deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt
 
-commands = python setup.py testr --slowest --testr-args="--concurrency 1 {posargs}"
+commands = 
+	stestr run --concurrency 1 {posargs}
+	stestr slowest
 
 [testenv:cover]
 basepython = python3
-commands = python setup.py testr --coverage --testr-args='--concurrency 1 {posargs}'
+setenv =
+    {[testenv]setenv}
+    PYTHON=coverage run --source solumdashboard --parallel-mode
+commands =
+    stestr run --concurrency 1 {posargs}
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
 
 [testenv:makemessages]
 basepython = python3