diff --git a/ckan/public/base/test/spec/plugins/jquery.url-helpers.spec.js b/ckan/public/base/test/spec/plugins/jquery.url-helpers.spec.js
new file mode 100644
index 00000000000..456610c0fec
--- /dev/null
+++ b/ckan/public/base/test/spec/plugins/jquery.url-helpers.spec.js
@@ -0,0 +1,13 @@
+describe('jQuery.url', function () {
+  describe('jQuery.url.escape', function () {
+    it('should escape special characters', function () {
+      var target = jQuery.url.escape('&<>=?#/');
+      assert.equal(target, '%26%3C%3E%3D%3F%23%2F');
+    });
+
+    it('should convert spaces to + rather than %20', function () {
+      var target = jQuery.url.escape(' ');
+      assert.equal(target, '+');
+    });
+  });
+});