1 files changed, 13 insertions, 0 deletions
diff --git a/spec/helpers/defer_script_tag_helper_spec.rb b/spec/helpers/defer_script_tag_helper_spec.rb
new file mode 100644
index 00000000000..d10b6f134e4
--- /dev/null
+++ b/spec/helpers/defer_script_tag_helper_spec.rb
@@ -0,0 +1,13 @@
+# coding: utf-8
+require 'spec_helper'
+
+describe DeferScriptTagHelper do
+  describe 'script tag' do
+    script_url = 'test.js'
+
+    it 'returns an script tag with defer=true' do
+      expect(javascript_include_tag(script_url).to_s)
+        .to eq "<script src=\"/javascripts/#{script_url}\" defer=\"defer\"></script>"
+    end
+  end
+end