diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..bbbf748
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,8 @@
+[run]
+branch = True
+source = automaton
+omit = automaton/tests/*
+
+[report]
+ignore_errors = True
+precision = 2
diff --git a/.gitignore b/.gitignore
index a9a998b..f678959 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,7 @@ htmlcov/
 .testrepository/
 .tox/
 .coverage
+cover
 .cache
 nosetests.xml
 coverage.xml
diff --git a/tox.ini b/tox.ini
index 373b2e8..17323b6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,3 +34,6 @@ commands = {posargs}
 [flake8]
 show-source = True
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build
+
+[testenv:cover]
+commands = python setup.py test --coverage --testr-args="{posargs}"