diff --git a/tests/unit/utils/status-image-formats-test.coffee b/tests/unit/utils/status-image-formats-test.coffee
new file mode 100644
index 00000000..3be2c2cc
--- /dev/null
+++ b/tests/unit/utils/status-image-formats-test.coffee
@@ -0,0 +1,13 @@
+`import Ember from 'ember'`
+`import format from 'travis/utils/status-image-formats'`
+`import config from 'travis/config/environment'`
+
+module 'Status image formats'
+
+test 'it generates CCTray url with a slug', ->
+  url = format('CCTray', 'travis-ci/travis-web')
+  equal url, '#/repos/travis-ci/travis-web/cc.xml'
+
+test 'it generates CCTray url with a slug and a branch', ->
+  url = format('CCTray', 'travis-ci/travis-web', 'development')
+  equal url, '#/repos/travis-ci/travis-web/cc.xml?branch=development'