Hide Location Mode from search results if it's not available.

Test: make RunSettingsRoboTests ROBOTEST_FILTER=LocationModeTest all
passes.
Bug: 70283459
Change-Id: Id99d4a8f694b6f223ee8ead9701569840e333a9e

src/com/android/settings/location/LocationMode.java

@@ -94,6 +94,11 @@ public class LocationMode extends DashboardFragment {
                     return Arrays.asList(sir);
                 }
 
+                @Override
+                protected boolean isPageSearchEnabled(Context context) {
+                    return context.getResources().getBoolean(R.bool.config_location_mode_available);
+                }
+
                 @Override
                 public List<AbstractPreferenceController> getPreferenceControllers(Context
                         context) {

tests/robotests/src/com/android/settings/location/LocationModeTest.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+package com.android.settings.location;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.provider.SearchIndexableResource;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.XmlTestUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class LocationModeTest {
+
+    private Context mContext;
+    private LocationMode mFragment;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        mFragment = new LocationMode();
+    }
+
+    @Test
+    public void testSearchIndexProvider_shouldIndexResource() {
+        final List<SearchIndexableResource> indexRes =
+                mFragment.SEARCH_INDEX_DATA_PROVIDER.getXmlResourcesToIndex(mContext,
+                        true /* enabled */);
+
+        assertThat(indexRes).isNotNull();
+        assertThat(indexRes.get(0).xmlResId).isEqualTo(mFragment.getPreferenceScreenResId());
+    }
+
+    @Test
+    @Config(qualifiers = "mcc999")
+    public void testSearchIndexProvider_ifPageDisabled_shouldNotIndexResource() {
+        final List<String> niks = LocationMode.SEARCH_INDEX_DATA_PROVIDER
+                .getNonIndexableKeys(mContext);
+        final int xmlId = mFragment.getPreferenceScreenResId();
+
+        final List<String> keys = XmlTestUtils.getKeysFromPreferenceXml(mContext, xmlId);
+        assertThat(niks).containsAllIn(keys);
+    }
+}