diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..c193e67
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,2 @@
+test:
+	echo yadenon.py | entr sh -c 'python -m coverage run -m unittest yadenon && coverage report --omit=t/\* -m'
diff --git a/requirements.txt b/requirements.txt
index 24701a7..74f7958 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 mock
 twisted
 pyserial
+coverage