diff --git a/tox.ini b/tox.ini
index c847339..2d76f71 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,7 +2,29 @@
 envlist = py26,py27
 
 [testenv]
-deps =
-     nose
-     pyOpenSSL
-commands = nosetests
\ No newline at end of file
+deps = nose
+commands = nosetests tests/
+
+[testenv:py26selects]
+basepython = python2.6
+setenv = EVENTLET_HUB = selects
+
+[testenv:py26poll]
+basepython = python2.6
+setenv = EVENTLET_HUB = poll
+
+[testenv:py26epolls]
+basepython = python2.6
+setenv = EVENTLET_HUB = epolls
+
+[testenv:py27selects]
+basepython = python2.7
+setenv = EVENTLET_HUB = selects
+
+[testenv:py27poll]
+basepython = python2.7
+setenv = EVENTLET_HUB = poll
+
+[testenv:py27epolls]
+basepython = python2.7
+setenv = EVENTLET_HUB = epolls