diff --git a/framework/test/grid_view_helpers_test.py b/framework/test/grid_view_helpers_test.py
new file mode 100644
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--- /dev/null
+++ b/framework/test/grid_view_helpers_test.py
@@ -0,0 +1,201 @@
+# Copyright 2016 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 or at
+# https://developers.google.com/open-source/licenses/bsd
+
+"""Unit tests for grid_view_helpers classes and functions."""
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
+
+import unittest
+
+from framework import framework_constants
+from framework import framework_views
+from framework import grid_view_helpers
+from proto import tracker_pb2
+from testing import fake
+from tracker import tracker_bizobj
+
+
+class GridViewHelpersTest(unittest.TestCase):
+
+  def setUp(self):
+    self.default_cols = 'a b c'
+    self.builtin_cols = 'a b x y z'
+    self.config = tracker_bizobj.MakeDefaultProjectIssueConfig(789)
+
+    self.art1 = fake.MakeTestIssue(
+        789, 1, 'a summary', '', 0, derived_owner_id=111, star_count=12,
+        derived_labels='Priority-Medium Hot Mstone-1 Mstone-2',
+        derived_status='Overdue')
+    self.art2 = fake.MakeTestIssue(
+        789, 1, 'a summary', 'New', 111, star_count=12, merged_into=200001,
+        labels='Priority-Medium Type-DEFECT Hot Mstone-1 Mstone-2')
+    self.users_by_id = {
+        111: framework_views.StuffUserView(111, 'foo@example.com', True),
+        }
+
+  def testSortGridHeadings(self):
+    config = fake.MakeTestConfig(
+        789, labels=('Priority-High Priority-Medium Priority-Low Hot Cold '
+                     'Milestone-Near Milestone-Far '
+                     'Day-Sun Day-Mon Day-Tue Day-Wed Day-Thu Day-Fri Day-Sat'),
+        statuses=('New Accepted Started Fixed WontFix Invalid Duplicate'))
+    config.field_defs = [
+        tracker_pb2.FieldDef(field_id=1, project_id=789, field_name='Day',
+                             field_type=tracker_pb2.FieldTypes.ENUM_TYPE)]
+    asc_accessors = {
+        'id': 'some function that is not called',
+        'reporter': 'some function that is not called',
+        'opened': 'some function that is not called',
+        'modified': 'some function that is not called',
+        }
+
+    # Verify that status headings are sorted according to the status
+    # values defined in the config.
+    col_name = 'status'
+    headings = ['Duplicate', 'Limbo', 'New', 'OnHold', 'Accepted', 'Fixed']
+    sorted_headings = grid_view_helpers.SortGridHeadings(
+        col_name, headings, self.users_by_id, config, asc_accessors)
+    self.assertEqual(
+        sorted_headings,
+        ['New', 'Accepted', 'Fixed', 'Duplicate', 'Limbo', 'OnHold'])
+
+    # Verify that special columns are sorted alphabetically or numerically.
+    col_name = 'id'
+    headings = [1, 2, 5, 3, 4]
+    sorted_headings = grid_view_helpers.SortGridHeadings(
+        col_name, headings, self.users_by_id, config, asc_accessors)
+    self.assertEqual(sorted_headings,
+                     [1, 2, 3, 4, 5])
+
+    # Verify that label value headings are sorted according to the labels
+    # values defined in the config.
+    col_name = 'priority'
+    headings = ['Medium', 'High', 'Low', 'dont-care']
+    sorted_headings = grid_view_helpers.SortGridHeadings(
+        col_name, headings, self.users_by_id, config, asc_accessors)
+    self.assertEqual(sorted_headings,
+                     ['High', 'Medium', 'Low', 'dont-care'])
+
+    # Verify that enum headings are sorted according to the labels
+    # values defined in the config.
+    col_name = 'day'
+    headings = ['Tue', 'Fri', 'Sun', 'Dogday', 'Wed', 'Caturday', 'Low']
+    sorted_headings = grid_view_helpers.SortGridHeadings(
+        col_name, headings, self.users_by_id, config, asc_accessors)
+    self.assertEqual(sorted_headings,
+                     ['Sun', 'Tue', 'Wed', 'Fri',
+                      'Caturday', 'Dogday', 'Low'])
+
+  def testGetArtifactAttr_Explicit(self):
+    label_values = grid_view_helpers.MakeLabelValuesDict(self.art2)
+
+    id_vals = grid_view_helpers.GetArtifactAttr(
+        self.art2, 'id', self.users_by_id, label_values, self.config, {})
+    self.assertEqual([1], id_vals)
+    summary_vals = grid_view_helpers.GetArtifactAttr(
+        self.art2, 'summary', self.users_by_id, label_values, self.config, {})
+    self.assertEqual(['a summary'], summary_vals)
+    status_vals = grid_view_helpers.GetArtifactAttr(
+        self.art2, 'status', self.users_by_id, label_values, self.config, {})
+    self.assertEqual(['New'], status_vals)
+    stars_vals = grid_view_helpers.GetArtifactAttr(
+        self.art2, 'stars', self.users_by_id, label_values, self.config, {})
+    self.assertEqual([12], stars_vals)
+    owner_vals = grid_view_helpers.GetArtifactAttr(
+        self.art2, 'owner', self.users_by_id, label_values, self.config, {})
+    self.assertEqual(['f...@example.com'], owner_vals)
+    priority_vals = grid_view_helpers.GetArtifactAttr(
+        self.art2, 'priority', self.users_by_id, label_values, self.config, {})
+    self.assertEqual(['Medium'], priority_vals)
+    mstone_vals = grid_view_helpers.GetArtifactAttr(
+        self.art2, 'mstone', self.users_by_id, label_values, self.config, {})
+    self.assertEqual(['1', '2'], mstone_vals)
+    foo_vals = grid_view_helpers.GetArtifactAttr(
+        self.art2, 'foo', self.users_by_id, label_values, self.config, {})
+    self.assertEqual([framework_constants.NO_VALUES], foo_vals)
+    art3 = fake.MakeTestIssue(
+        987, 5, 'unecessary summary', 'New', 111, star_count=12,
+        issue_id=200001, project_name='other-project')
+    related_issues = {200001: art3}
+    merged_into_vals = grid_view_helpers.GetArtifactAttr(
+        self.art2, 'mergedinto', self.users_by_id, label_values,
+        self.config, related_issues)
+    self.assertEqual(['other-project:5'], merged_into_vals)
+
+  def testGetArtifactAttr_Derived(self):
+    label_values = grid_view_helpers.MakeLabelValuesDict(self.art1)
+    status_vals = grid_view_helpers.GetArtifactAttr(
+        self.art1, 'status', self.users_by_id, label_values, self.config, {})
+    self.assertEqual(['Overdue'], status_vals)
+    owner_vals = grid_view_helpers.GetArtifactAttr(
+        self.art1, 'owner', self.users_by_id, label_values, self.config, {})
+    self.assertEqual(['f...@example.com'], owner_vals)
+    priority_vals = grid_view_helpers.GetArtifactAttr(
+        self.art1, 'priority', self.users_by_id, label_values, self.config, {})
+    self.assertEqual(['Medium'], priority_vals)
+    mstone_vals = grid_view_helpers.GetArtifactAttr(
+        self.art1, 'mstone', self.users_by_id, label_values, self.config, {})
+    self.assertEqual(['1', '2'], mstone_vals)
+
+  def testMakeLabelValuesDict_Empty(self):
+    art = fake.MakeTestIssue(
+        789, 1, 'a summary', '', 0, derived_owner_id=111, star_count=12)
+    label_values = grid_view_helpers.MakeLabelValuesDict(art)
+    self.assertEqual({}, label_values)
+
+  def testMakeLabelValuesDict(self):
+    art = fake.MakeTestIssue(
+        789, 1, 'a summary', '', 0, derived_owner_id=111, star_count=12,
+        labels=['Priority-Medium', 'Hot', 'Mstone-1', 'Mstone-2'])
+    label_values = grid_view_helpers.MakeLabelValuesDict(art)
+    self.assertEqual(
+        {'priority': ['Medium'], 'mstone': ['1', '2']},
+        label_values)
+
+    art = fake.MakeTestIssue(
+        789, 1, 'a summary', '', 0, derived_owner_id=111, star_count=12,
+        labels='Priority-Medium Hot Mstone-1'.split(),
+        derived_labels=['Mstone-2'])
+    label_values = grid_view_helpers.MakeLabelValuesDict(art)
+    self.assertEqual(
+        {'priority': ['Medium'], 'mstone': ['1', '2']},
+        label_values)
+
+  def testMakeDrillDownSearch(self):
+    self.assertEqual('-has:milestone ',
+                     grid_view_helpers.MakeDrillDownSearch('milestone', '----'))
+    self.assertEqual('milestone=22 ',
+                     grid_view_helpers.MakeDrillDownSearch('milestone', '22'))
+    self.assertEqual(
+        'owner=a@example.com ',
+        grid_view_helpers.MakeDrillDownSearch('owner', 'a@example.com'))
+
+  def testAnyArtifactHasNoAttr_Empty(self):
+    artifacts = []
+    all_label_values = {}
+    self.assertFalse(grid_view_helpers.AnyArtifactHasNoAttr(
+        artifacts, 'milestone', self.users_by_id, all_label_values,
+        self.config, {}))
+
+  def testAnyArtifactHasNoAttr(self):
+    artifacts = [self.art1]
+    all_label_values = {
+        self.art1.local_id: grid_view_helpers.MakeLabelValuesDict(self.art1),
+        }
+    self.assertFalse(grid_view_helpers.AnyArtifactHasNoAttr(
+        artifacts, 'mstone', self.users_by_id, all_label_values,
+        self.config, {}))
+    self.assertTrue(grid_view_helpers.AnyArtifactHasNoAttr(
+        artifacts, 'milestone', self.users_by_id, all_label_values,
+        self.config, {}))
+
+  def testGetGridViewData(self):
+    # TODO(jojwang): write this test
+    pass
+
+  def testPrepareForMakeGridData(self):
+    # TODO(jojwang): write this test
+    pass