diff --git a/static_src/elements/help/mr-cue/cue-helpers.test.js b/static_src/elements/help/mr-cue/cue-helpers.test.js
new file mode 100644
index 0000000..3bc084a
--- /dev/null
+++ b/static_src/elements/help/mr-cue/cue-helpers.test.js
@@ -0,0 +1,30 @@
+// Copyright 2019 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import {assert} from 'chai';
+import {cueNameToSpec, specToCueName} from './cue-helpers.js';
+
+
+describe('cue-helpers', () => {
+  describe('cueNameToSpec', () => {
+    it('appends cue prefix', () => {
+      assert.equal(cueNameToSpec('test'), 'cue.test');
+    });
+  });
+
+  describe('specToCueName', () => {
+    it('extracts cue name from matching spec', () => {
+      assert.equal(specToCueName('cue.test'), 'test');
+      assert.equal(specToCueName('cue.hello-world'), 'hello-world');
+      assert.equal(specToCueName('cue.under_score'), 'under_score');
+    });
+
+    it('does not extract cue name from non-matching spec', () => {
+      assert.equal(specToCueName('.cue.test'), '');
+      assert.equal(specToCueName('hello-world-cue.'), '');
+      assert.equal(specToCueName('cu.under_score'), '');
+      assert.equal(specToCueName('field'), '');
+    });
+  });
+});