diff --git a/static_src/elements/framework/mr-autocomplete/mr-autocomplete.test.js b/static_src/elements/framework/mr-autocomplete/mr-autocomplete.test.js
new file mode 100644
index 0000000..0c4e3ae
--- /dev/null
+++ b/static_src/elements/framework/mr-autocomplete/mr-autocomplete.test.js
@@ -0,0 +1,86 @@
+// 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 {MrAutocomplete} from './mr-autocomplete.js';
+
+let element;
+
+describe('mr-autocomplete', () => {
+  beforeEach(() => {
+    element = document.createElement('mr-autocomplete');
+    document.body.appendChild(element);
+  });
+
+  afterEach(() => {
+    document.body.removeChild(element);
+  });
+
+  it('initializes', () => {
+    assert.instanceOf(element, MrAutocomplete);
+  });
+
+  it('sets properties based on vocabularies', async () => {
+    assert.deepEqual(element.strings, []);
+    assert.deepEqual(element.docDict, {});
+
+    element.vocabularies = {
+      'project': {
+        'strings': ['chromium', 'v8'],
+        'docDict': {'chromium': 'move the web forward'},
+      },
+    };
+
+    element.vocabularyName = 'project';
+
+    await element.updateComplete;
+
+    assert.deepEqual(element.strings, ['chromium', 'v8']);
+    assert.deepEqual(element.docDict, {'chromium': 'move the web forward'});
+  });
+
+  it('_setupProjectVocabulary', () => {
+    assert.deepEqual(element._setupProjectVocabulary({}), {strings: []});
+
+    assert.deepEqual(element._setupProjectVocabulary({
+      ownerOf: ['chromium'],
+      memberOf: ['skia'],
+      contributorTo: ['v8'],
+    }), {strings: ['chromium', 'skia', 'v8']});
+  });
+
+  it('_setupMemberVocabulary', () => {
+    assert.deepEqual(element._setupMemberVocabulary({}), {strings: []});
+
+    assert.deepEqual(element._setupMemberVocabulary({
+      userRefs: [
+        {displayName: 'group@example.com', userId: '100'},
+        {displayName: 'test@example.com', userId: '123'},
+        {displayName: 'test2@example.com', userId: '543'},
+      ],
+      groupRefs: [
+        {displayName: 'group@example.com', userId: '100'},
+      ],
+    }), {strings:
+      ['group@example.com', 'test@example.com', 'test2@example.com'],
+    });
+  });
+
+  it('_setupOwnerVocabulary', () => {
+    assert.deepEqual(element._setupOwnerVocabulary({}), {strings: []});
+
+    assert.deepEqual(element._setupOwnerVocabulary({
+      userRefs: [
+        {displayName: 'group@example.com', userId: '100'},
+        {displayName: 'test@example.com', userId: '123'},
+        {displayName: 'test2@example.com', userId: '543'},
+      ],
+      groupRefs: [
+        {displayName: 'group@example.com', userId: '100'},
+      ],
+    }), {strings:
+      ['test@example.com', 'test2@example.com'],
+    });
+  });
+});