diff --git a/static_src/shared/metadata-helpers.test.js b/static_src/shared/metadata-helpers.test.js
new file mode 100644
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--- /dev/null
+++ b/static_src/shared/metadata-helpers.test.js
@@ -0,0 +1,93 @@
+// 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 {valuesForField, valueForField, fieldDefsWithGroup, fieldValueMapKey,
+  fieldDefsWithoutGroup, HARDCODED_FIELD_GROUPS} from './metadata-helpers.js';
+
+const fieldDefs = [
+  {
+    fieldRef: {
+      fieldName: 'Ignore',
+      fieldId: 1,
+    },
+  },
+  {
+    fieldRef: {
+      fieldName: 'DesignDoc',
+      fieldId: 2,
+    },
+  },
+];
+const fieldGroups = HARDCODED_FIELD_GROUPS;
+
+const fieldValueMap = new Map([
+  ['field', ['one', 'two', 'three']],
+  ['field-two phase', ['four']],
+  ['field-three', ['five']],
+]);
+
+describe('metadata-helpers', () => {
+  it('valuesForField', () => {
+    assert.deepEqual(valuesForField(fieldValueMap, 'Field-None'), []);
+    assert.deepEqual(valuesForField(fieldValueMap, 'Field'),
+        ['one', 'two', 'three']);
+    assert.deepEqual(valuesForField(fieldValueMap, 'Field-Two', 'Phase'),
+        ['four']);
+    assert.deepEqual(valuesForField(fieldValueMap, 'Field-Three'), ['five']);
+  });
+
+  it('valueForField', () => {
+    assert.equal(valueForField(fieldValueMap, 'Field-None'),
+        undefined);
+    assert.equal(valueForField(fieldValueMap, 'Field-Two', 'Phase'), 'four');
+    assert.equal(valueForField(fieldValueMap, 'Field-Three'), 'five');
+  });
+
+  it('fieldValueMapKey', () => {
+    assert.equal(fieldValueMapKey('test', 'two'), 'test two');
+
+    assert.equal(fieldValueMapKey('noPhase'), 'nophase');
+  });
+
+  it('fieldDefsWithoutGroup ignores non applicable types', () => {
+    assert.deepEqual(fieldDefsWithoutGroup(
+        fieldDefs, fieldGroups, 'ungrouped-type'), fieldDefs);
+  });
+
+  it('fieldDefsWithoutGroup filters grouped fields', () => {
+    assert.deepEqual(fieldDefsWithoutGroup(
+        fieldDefs, fieldGroups, 'flt-launch'), [
+      {
+        fieldRef: {
+          fieldName: 'Ignore',
+          fieldId: 1,
+        },
+      },
+    ]);
+  });
+
+  it('fieldDefsWithGroup filters by type', () => {
+    const filteredGroupsList = [{
+      groupName: 'Docs',
+      fieldDefs: [
+        {
+          fieldRef: {
+            fieldName: 'DesignDoc',
+            fieldId: 2,
+          },
+        },
+      ],
+    }];
+
+    assert.deepEqual(
+        fieldDefsWithGroup(fieldDefs, fieldGroups, 'Not-FLT-Launch'), []);
+
+    assert.deepEqual(fieldDefsWithGroup(fieldDefs, fieldGroups, 'flt-launch'),
+        filteredGroupsList);
+
+    assert.deepEqual(fieldDefsWithGroup(fieldDefs, fieldGroups, 'FLT-LAUNCH'),
+        filteredGroupsList);
+  });
+});