diff --git a/test_omnijson.py b/test_omnijson.py
index db4ed76..9eaaca3 100644
--- a/test_omnijson.py
+++ b/test_omnijson.py
@@ -17,7 +17,6 @@ class OmniSuite(unittest.TestCase):
         a = json.loads(self._good_json_string)
         self.assertEqual(a, self._good_json_result)
 
-
     def test_dump_json(self):
         a = json.dumps(self._good_json_result)
         self.assertEqual(a, self._good_json_string)
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..764ee3c
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,17 @@
+[tox]
+envlist = py25,py26,py27,py3
+
+[testenv]
+commands=py.test --junitxml=junit-{envname}.xml
+deps = pytest
+    
+[testenv:py25]
+simplejson = pytest simplejson
+
+[testenv:pypy]
+basepython=/usr/bin/pypy-c
+simplejson = pytest simplejson
+
+[testenv:py3]
+basepython=/usr/bin/python3
+simplejson = pytest
\ No newline at end of file