Manage constraints with testenv install_command

This prevents having to duplicate the -c{} deps argument
across all environments in tox.ini

In addition this switches to stestr instead of testing
through setup.py

Change-Id: I3d0b6ca81be88660dcbbbeed0c3705771b258cb2

.gitignore

@@ -38,6 +38,7 @@ cover/
 .coverage*
 !.coveragerc
 .tox
+.stestr
 nosetests.xml
 .testrepository
 .venv

.stestr.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=${OS_TEST_PATH:-./watcher_tempest_plugin}
+top_dir=./

test-requirements.txt

@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 hacking>=3.2.,<3.3 # Apache-2.0
-
+stestr>=1.0.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 doc8>=0.6.0 # Apache-2.0
 python-subunit>=1.0.0 # Apache-2.0/BSD

tox.ini

@@ -7,14 +7,13 @@ ignore_basepython_conflict = True
 [testenv]
 basepython = python3
 usedevelop = True
-install_command = pip install {opts} {packages}
+install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master} {opts} {packages}
 setenv =
    VIRTUAL_ENV={envdir}
    PYTHONWARNINGS=default::DeprecationWarning
 deps =
-    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
     -r{toxinidir}/test-requirements.txt
-commands = python setup.py test --slowest --testr-args='{posargs}'
+commands = stestr run --slowest {posargs}
 
 [testenv:pep8]
 commands =
@@ -22,15 +21,21 @@ commands =
     flake8
     bandit -r watcher_tempest_plugin -x tests -n5 -ll -s B320
 
+[testenv:cover]
+setenv =
+    {[testenv]setenv}
+    PYTHON=coverage run --source ironic_tempest_plugin --parallel-mode
+commands =
+    stestr run {posargs}
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
+
 [testenv:venv]
 commands = {posargs}
 
-[testenv:cover]
-commands = python setup.py test --coverage --testr-args='{posargs}'
-
 [testenv:docs]
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -W -b html doc/source doc/build/html
@@ -53,6 +58,15 @@ commands =
 [testenv:debug]
 commands = oslo_debug_helper {posargs}
 
+[testenv:bandit]
+deps = -r{toxinidir}/test-requirements.txt
+commands = bandit -r watcher_tempest_plugin -x tests -n5 -ll -s B320
+
+show-source = True
+ignore = E123,E125
+builtins = _
+exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build
+
 [flake8]
 show-source=True
 ignore= H105,E123,E226,N320,H202,W503
@@ -62,12 +76,3 @@ exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build,demo/,releasenotes
 
 [doc8]
 extension=.rst
-
-[testenv:bandit]
-deps = -r{toxinidir}/test-requirements.txt
-commands = bandit -r watcher_tempest_plugin -x tests -n5 -ll -s B320
-
-show-source = True
-ignore = E123,E125
-builtins = _
-exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build