+#### Code Coverage
+
+The API tests also support code coverage tests. You need to install
+PHP_CodeCoverage. On Debian/Ubuntu run:
+
+ apt-get install php-codecoverage
+
+The run the API tests as follows:
+
+ behave api -DPHPCOV=<coverage output dir>
+
+To generate reports, you can use the phpcov tool:
+
+ phpcov merge --html=<report output dir> <coverage output dir>
+