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: I96c7c264dab04a7f52e2c77a1165ed51137bfae0

.gitignore

@@ -21,6 +21,6 @@ doc/source/reference/api/*
 doc/build/*
 dist
 designateclient/versioninfo
-.testrepository
+.stestr/
 *.log
 .idea/

.stestr.conf

@@ -0,0 +1,4 @@
+[DEFAULT]
+test_path=${OS_TEST_PATH:-./designateclient/tests}
+top_dir=./
+

.testr.conf

@@ -1,10 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
-             OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
-             OS_LOG_CAPTURE=${OS_LOG_CAPTURE:-1} \
-             OS_DEBUG=${OS_DEBUG:-1} \
-             OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-160} \
-             ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./designateclient/tests} $LISTOPT $IDOPTION
-
-test_id_option=--load-list $IDFILE
-test_list_option=--list

lower-constraints.txt

@@ -68,10 +68,9 @@ requestsexceptions==1.2.0
 rfc3986==0.3.1
 simplejson==3.5.1
 six==1.10.0
-stestr==1.0.0
 stevedore==1.20.0
 tempest==17.1.0
-testrepository==0.0.18
+stestr==2.0.0
 testtools==2.2.0
 traceback2==1.4.0
 unittest2==1.1.0

test-requirements.txt

@@ -10,6 +10,6 @@ oslotest>=3.2.0 # Apache-2.0
 os-testr>=1.0.0 # Apache-2.0
 python-subunit>=1.0.0 # Apache-2.0/BSD
 requests-mock>=1.2.0 # Apache-2.0
-testrepository>=0.0.18 # Apache-2.0/BSD
+stestr>=2.0.0 # Apache-2.0
 reno>=2.5.0 # Apache-2.0
 tempest>=17.1.0 # Apache-2.0

tools/pretty_tox.sh

@@ -1,6 +0,0 @@
-#! /bin/sh
-
-TESTRARGS=$1
-
-exec 3>&1
-status=$(exec 4>&1 >&3; ( python setup.py testr --slowest --testr-args="--subunit $TESTRARGS"; echo $? >&4 ) | subunit-trace -f) && exit $status

tox.ini

@@ -21,7 +21,7 @@ whitelist_externals = find
 
 commands =
   find . -type f -name "*.pyc" -delete
-  sh tools/pretty_tox.sh '{posargs}'
+  stestr run --slowest {posargs}
 passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
 
 [testenv:docs]
@@ -46,7 +46,13 @@ commands = flake8
 
 [testenv:cover]
 basepython = python3
-commands = python setup.py testr --coverage --testr-args='{posargs}'
+setenv =
+    PYTHON=coverage run --source designateclient --parallel-mode
+commands =
+    stestr run '{posargs}'
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
 
 [testenv:venv]
 basepython = python3