Create tox.ini file.

Configure with minimal requirements for running -
  pep8 - flake8 verifications
  py27/py35 - unittests

Change-Id: If09bab1f0a8501afddd720cf9ea9335867072e1d

.gitignore

@@ -2,15 +2,20 @@
 *.egg
 *.egg-info
 *.pyc
+
+# Hidden files
+.eggs
+.stestr
 .test
-.stestr*
-etc
 .testrepository
 .tox
 .venv
+
+__pycache__
 AUTHORS
 build/*
 ChangeLog
 doc/build/*
-zuul/versioninfo
 dist/
+etc/
+zuul/versioninfo

.stestr.conf

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

pep8-requirements.txt

@@ -0,0 +1,6 @@
+# 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.
+
+flake8==2.5.5  # MIT
+flake8-import-order==0.12  # LGPLv3

test-requirements.txt

@@ -0,0 +1 @@
+mock >= 2.0  # BSD

tobiko/plugin.py

@@ -11,7 +11,9 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
+
 import os
+
 from tempest import config
 from tempest.test_discover import plugins
 

tobiko/tests/scenario/base.py

@@ -12,8 +12,10 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
+
 import os
 import subprocess
+
 from tempest.common.utils import net_utils
 from tempest.lib.common.utils import test_utils
 

tox.ini

@@ -0,0 +1,63 @@
+[tox]
+minversion = 2.0
+envlist = pep8,py35,py27
+
+
+[testenv]
+# usedevelop = True
+
+install_command =
+    pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
+
+setenv =
+    VIRTUAL_ENV={envdir}
+    PYTHONWARNINGS=default::DeprecationWarning,{env:PYTHONWARNINGS:}
+    OS_LOG_CAPTURE={env:OS_LOG_CAPTURE:true}
+    OS_STDOUT_CAPTURE={env:OS_STDOUT_CAPTURE:true}
+    OS_STDERR_CAPTURE={env:OS_STDERR_CAPTURE:true}
+
+passenv =
+
+commands =
+    stestr run {posargs}
+
+deps =
+    -r{toxinidir}/test-requirements.txt
+
+
+[testenv:venv]
+basepython = python3
+
+deps =
+
+commands =
+    {posargs}
+
+
+[testenv:pep8]
+basepython = python3
+
+deps =
+    -r{toxinidir}/pep8-requirements.txt
+
+commands =
+    flake8
+
+[flake8]
+# E125 continuation line does not distinguish itself from next logical line
+# E126 continuation line over-indented for hanging indent
+# E128 continuation line under-indented for visual indent
+# E129 visually indented line with same indent as next logical line
+# E265 block comment should start with '# '
+# H404 multi line docstring should start with a summary
+# H405 multi line docstring summary not separated with an empty line
+# N530 direct neutron imports not allowed
+ignore = E125,E126,E128,E129,E265,H404,H405,N530
+
+# H106: Don't put vim configuration in source files
+# H203: Use assertIs(Not)None to check for None
+# H904: Delay string interpolations at logging calls
+enable-extensions = H106,H203,H904
+show-source = true
+exclude = ./.*,build,dist,doc,*egg*,releasenotes
+import-order-style = pep8