Add tox targets that run tests with etcd

.travis.yml

@@ -6,7 +6,9 @@ services:
 env:
   - TOXENV=pep8
   - TOXENV=py27
+  - TOXENV=py27-etcd
   - TOXENV=py35
+  - TOXENV=py35-etcd
   - TOXENV=cover
   - TOXENV=docs
   - TOXENV=examples

etcd3gw/tests/test_etcd3gw.py

@@ -17,11 +17,24 @@ test_etcd3-gateway
 Tests for `etcd3gw` module.
 """
 
+from testtools.testcase import unittest
+import urllib3
+
 from etcd3gw.client import Client
 from etcd3gw.tests import base
 
 
+def _is_etcd3_running():
+    try:
+        urllib3.PoolManager().request('GET', '127.0.0.1:2379')
+        return True
+    except urllib3.exceptions.HTTPError:
+        return False
+
+
 class TestEtcd3Gateway(base.TestCase):
+    @unittest.skipUnless(
+        _is_etcd3_running(), "etcd3 is not available")
     def test_something(self):
         client = Client()
         self.assertIsNotNone(client.status())

requirements.txt

@@ -3,5 +3,6 @@
 # process, which may cause wedges in the gate later.
 
 pbr>=2.0 # Apache-2.0
+urllib3>=1.8.3  # MIT
 requests>=2.10.0,!=2.12.2,!=2.13.0  # Apache-2.0
 six>=1.9.0  # MIT

tox.ini

@@ -9,7 +9,9 @@ install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstac
 setenv =
    VIRTUAL_ENV={envdir}
    PYTHONWARNINGS=default::DeprecationWarning
-deps = -r{toxinidir}/test-requirements.txt
+deps =
+   -r{toxinidir}/requirements.txt
+   -r{toxinidir}/test-requirements.txt
 commands = python setup.py test --slowest --testr-args='{posargs}'
 
 [testenv:pep8]
@@ -26,6 +28,12 @@ commands =
 [testenv:docs]
 commands = python setup.py build_sphinx
 
+[testenv:py27-etcd]
+commands = {toxinidir}/setup-etcd-env.sh pifpaf -g TOOZ_TEST run etcd -- python setup.py test --slowest --testr-args='{posargs}'
+
+[testenv:py35-etcd]
+commands = {toxinidir}/setup-etcd-env.sh pifpaf -g TOOZ_TEST run etcd -- python setup.py test --slowest --testr-args='{posargs}'
+
 [testenv:examples]
 commands = {toxinidir}/setup-etcd-env.sh pifpaf -g TOOZ_TEST run etcd -- python {toxinidir}/etcd3gw/examples/etcd.py