Add basic test framework

test-requirements.txt - install bashate
tox.ini - bashate and a do-nothing target
.zuul.yaml - non-voting bashate job

Change-Id: I35ff6063568518a3994441cc3eadbd4896f25d64

.zuul.yaml

@@ -0,0 +1,9 @@
+- project:
+    check:
+      jobs:
+        - openstack-tox-bashate:
+            voting: false
+    gate:
+      jobs:
+        - openstack-tox-bashate:
+            voting: false

test-requirements.txt

@@ -0,0 +1 @@
+bashate >= 0.2

tox.ini

@@ -0,0 +1,33 @@
+[tox]
+envlist = bashate,pep8
+minversion = 2.3
+skipsdist = True
+
+[testenv]
+install_command = pip install -U {opts} {packages}
+setenv = VIRTUAL_ENV={envdir}
+         OS_STDOUT_CAPTURE=1
+         OS_STDERR_CAPTURE=1
+         OS_TEST_TIMEOUT=60
+deps = -r{toxinidir}/test-requirements.txt
+
+[testenv:bashate]
+commands =
+  bash -c "ls build-tools/*.sh | xargs bashate -v {posargs}"
+
+[testenv:pep8]
+usedevelop = False
+skip_install = True
+deps =
+    pep8
+commands =
+    pep8
+
+[testenv:venv]
+commands = {posargs}
+
+[testenv:true]
+# Use same environment directory as pep8 env to save space and install time
+envdir = {toxworkdir}/venv
+commands = true
+whitelist_externals = true