Implement querySiteMapPairs for indexableProvider.

Query sitemap will return a list of pairs [parent class name, child
class name]. It's up to consumer to figure out the display name later
so the provider doesn't have dependency on localizing any display names.

- Removed SiteMapManagerTest. We will perform the test in
  SettingsIntelligence instead.
- Added test for the new provider in instrumentation test (robolectric
  doesn't recognize the new constants in framework yet)

Bug: 67359411
Bug: 64938328
Test: atest
Change-Id: Ia973115320e6b7c8cf84d4756db1763ae7010aed
diff --git a/src/com/android/settings/dashboard/SiteMapManager.java b/src/com/android/settings/dashboard/SiteMapManager.java
index facd9ed..50d7a18 100644
--- a/src/com/android/settings/dashboard/SiteMapManager.java
+++ b/src/com/android/settings/dashboard/SiteMapManager.java
@@ -16,23 +16,26 @@
 
 package com.android.settings.dashboard;
 
+import static android.provider.SearchIndexablesContract.SITE_MAP_COLUMNS;
 import static com.android.settings.dashboard.DashboardFragmentRegistry.CATEGORY_KEY_TO_PARENT_MAP;
 
 import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
+import android.provider.SearchIndexablesContract.SiteMapColumns;
 import android.support.annotation.VisibleForTesting;
 import android.support.annotation.WorkerThread;
 import android.support.v4.util.ArrayMap;
 import android.text.TextUtils;
 import android.util.Log;
+
 import com.android.settings.SettingsActivity;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.IndexDatabaseHelper;
 import com.android.settings.search.IndexDatabaseHelper.IndexColumns;
-import com.android.settings.search.IndexDatabaseHelper.SiteMapColumns;
 import com.android.settingslib.drawer.DashboardCategory;
 import com.android.settingslib.drawer.Tile;
+
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -47,14 +50,6 @@
     private static final String TAG = "SiteMapManager";
     private static final boolean DEBUG_TIMING = false;
 
-    @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
-    public static final String[] SITE_MAP_COLUMNS = {
-            SiteMapColumns.PARENT_CLASS,
-            SiteMapColumns.PARENT_TITLE,
-            SiteMapColumns.CHILD_CLASS,
-            SiteMapColumns.CHILD_TITLE
-    };
-
     private static final String[] CLASS_TO_SCREEN_TITLE_COLUMNS = {
             IndexColumns.CLASS_NAME,
             IndexColumns.SCREEN_TITLE,
@@ -108,7 +103,7 @@
      * 2. IA: We know from {@link DashboardFeatureProvider} which page can be dynamically
      * injected to where.
      */
-    @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+    @VisibleForTesting
     @WorkerThread
     synchronized void init(Context context) {
         if (mInitialized) {
diff --git a/src/com/android/settings/search/DatabaseIndexingManager.java b/src/com/android/settings/search/DatabaseIndexingManager.java
index 970b50f..0aeda66 100644
--- a/src/com/android/settings/search/DatabaseIndexingManager.java
+++ b/src/com/android/settings/search/DatabaseIndexingManager.java
@@ -19,20 +19,18 @@
 
 
 import static com.android.settings.search.CursorToSearchResultConverter.COLUMN_INDEX_ID;
-import static com.android.settings.search.CursorToSearchResultConverter
-        .COLUMN_INDEX_INTENT_ACTION_TARGET_PACKAGE;
+import static com.android.settings.search.CursorToSearchResultConverter.COLUMN_INDEX_INTENT_ACTION_TARGET_PACKAGE;
 import static com.android.settings.search.CursorToSearchResultConverter.COLUMN_INDEX_KEY;
 import static com.android.settings.search.DatabaseResultLoader.SELECT_COLUMNS;
-import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DOCID;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.CLASS_NAME;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_ENTRIES;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_KEYWORDS;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_KEY_REF;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON;
-import static com.android.settings.search.IndexDatabaseHelper.IndexColumns
-        .DATA_SUMMARY_ON_NORMALIZED;
+import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON_NORMALIZED;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_TITLE;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_TITLE_NORMALIZED;
+import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DOCID;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.ENABLED;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.ICON;
 import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.INTENT_ACTION;
@@ -55,6 +53,7 @@
 import android.os.AsyncTask;
 import android.os.Build;
 import android.provider.SearchIndexablesContract;
+import android.provider.SearchIndexablesContract.SiteMapColumns;
 import android.support.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
@@ -68,7 +67,6 @@
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
-import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
 
@@ -276,17 +274,11 @@
 
             if (!TextUtils.isEmpty(dataRow.className)
                     && !TextUtils.isEmpty(dataRow.childClassName)) {
-                ContentValues siteMapPair = new ContentValues();
-                final int pairDocId = Objects.hash(dataRow.className, dataRow.childClassName);
-                siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.DOCID, pairDocId);
-                siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.PARENT_CLASS,
-                        dataRow.className);
-                siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.PARENT_TITLE,
-                        dataRow.screenTitle);
-                siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.CHILD_CLASS,
-                        dataRow.childClassName);
-                siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.CHILD_TITLE,
-                        dataRow.updatedTitle);
+                final ContentValues siteMapPair = new ContentValues();
+                siteMapPair.put(SiteMapColumns.PARENT_CLASS, dataRow.className);
+                siteMapPair.put(SiteMapColumns.PARENT_TITLE, dataRow.screenTitle);
+                siteMapPair.put(SiteMapColumns.CHILD_CLASS, dataRow.childClassName);
+                siteMapPair.put(SiteMapColumns.CHILD_TITLE, dataRow.updatedTitle);
 
                 database.replaceOrThrow(IndexDatabaseHelper.Tables.TABLE_SITE_MAP,
                         null /* nullColumnHack */, siteMapPair);
diff --git a/src/com/android/settings/search/IndexDatabaseHelper.java b/src/com/android/settings/search/IndexDatabaseHelper.java
index b85b6c0..19e3419 100644
--- a/src/com/android/settings/search/IndexDatabaseHelper.java
+++ b/src/com/android/settings/search/IndexDatabaseHelper.java
@@ -22,6 +22,7 @@
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.os.Build;
+import android.provider.SearchIndexablesContract.SiteMapColumns;
 import android.support.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
@@ -33,7 +34,7 @@
     private static final String TAG = "IndexDatabaseHelper";
 
     private static final String DATABASE_NAME = "search_index.db";
-    private static final int DATABASE_VERSION = 117;
+    private static final int DATABASE_VERSION = 118;
 
     private static final String SHARED_PREFS_TAG = "indexing_manager";
 
@@ -80,14 +81,6 @@
         String TIME_STAMP = "timestamp";
     }
 
-    public interface SiteMapColumns {
-        String DOCID = "docid";
-        String PARENT_CLASS = "parent_class";
-        String CHILD_CLASS = "child_class";
-        String PARENT_TITLE = "parent_title";
-        String CHILD_TITLE = "child_title";
-    }
-
     private static final String CREATE_INDEX_TABLE =
             "CREATE VIRTUAL TABLE " + Tables.TABLE_PREFS_INDEX + " USING fts4" +
                     "(" +
diff --git a/src/com/android/settings/search/SettingsSearchIndexablesProvider.java b/src/com/android/settings/search/SettingsSearchIndexablesProvider.java
index 968847b..9e35082 100644
--- a/src/com/android/settings/search/SettingsSearchIndexablesProvider.java
+++ b/src/com/android/settings/search/SettingsSearchIndexablesProvider.java
@@ -40,16 +40,24 @@
 import static android.provider.SearchIndexablesContract.INDEXABLES_RAW_COLUMNS;
 import static android.provider.SearchIndexablesContract.INDEXABLES_XML_RES_COLUMNS;
 import static android.provider.SearchIndexablesContract.NON_INDEXABLES_KEYS_COLUMNS;
+import static android.provider.SearchIndexablesContract.SITE_MAP_COLUMNS;
+import static com.android.settings.dashboard.DashboardFragmentRegistry.CATEGORY_KEY_TO_PARENT_MAP;
 
 import android.content.Context;
 import android.database.Cursor;
 import android.database.MatrixCursor;
 import android.provider.SearchIndexableResource;
+import android.provider.SearchIndexablesContract;
 import android.provider.SearchIndexablesProvider;
 import android.text.TextUtils;
 import android.util.ArraySet;
 import android.util.Log;
 
+import com.android.settings.SettingsActivity;
+import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.drawer.DashboardCategory;
+import com.android.settingslib.drawer.Tile;
+
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
@@ -134,6 +142,38 @@
         return cursor;
     }
 
+    @Override
+    public Cursor querySiteMapPairs() {
+        final MatrixCursor cursor = new MatrixCursor(SITE_MAP_COLUMNS);
+        final Context context = getContext();
+        // Loop through all IA categories and pages and build additional SiteMapPairs
+        final List<DashboardCategory> categories = FeatureFactory.getFactory(context)
+                .getDashboardFeatureProvider(context).getAllCategories();
+        for (DashboardCategory category : categories) {
+            // Use the category key to look up parent (which page hosts this key)
+            final String parentClass = CATEGORY_KEY_TO_PARENT_MAP.get(category.key);
+            if (parentClass == null) {
+                continue;
+            }
+            // Build parent-child class pairs for all children listed under this key.
+            for (Tile tile : category.tiles) {
+                String childClass = null;
+                if (tile.metaData != null) {
+                    childClass = tile.metaData.getString(
+                            SettingsActivity.META_DATA_KEY_FRAGMENT_CLASS);
+                }
+                if (childClass == null) {
+                    continue;
+                }
+                cursor.newRow()
+                        .add(SearchIndexablesContract.SiteMapColumns.PARENT_CLASS, parentClass)
+                        .add(SearchIndexablesContract.SiteMapColumns.CHILD_CLASS, childClass);
+            }
+        }
+        // Done.
+        return cursor;
+    }
+
     private List<String> getNonIndexableKeysFromProvider(Context context) {
         final Collection<Class> values = SearchIndexableResources.providerValues();
         final List<String> nonIndexableKeys = new ArrayList<>();
diff --git a/tests/robotests/src/com/android/settings/search/SiteMapManagerTest.java b/tests/robotests/src/com/android/settings/search/SiteMapManagerTest.java
deleted file mode 100644
index b441b66..0000000
--- a/tests/robotests/src/com/android/settings/search/SiteMapManagerTest.java
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * 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.search;
-
-import android.content.ContentValues;
-import android.content.Context;
-import android.database.sqlite.SQLiteDatabase;
-import android.os.Bundle;
-
-import com.android.settings.SettingsActivity;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.settings.TestConfig;
-import com.android.settings.dashboard.SiteMapManager;
-import com.android.settings.search.IndexDatabaseHelper.SiteMapColumns;
-import com.android.settings.system.SystemDashboardFragment;
-import com.android.settings.testutils.DatabaseTestUtils;
-import com.android.settings.testutils.FakeFeatureFactory;
-import com.android.settingslib.drawer.CategoryKey;
-import com.android.settingslib.drawer.DashboardCategory;
-import com.android.settingslib.drawer.Tile;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Answers;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
-
-import java.util.Arrays;
-import java.util.List;
-
-import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.when;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
-public class SiteMapManagerTest {
-
-    private static final int STATIC_DB_DEPTH = 4;
-    private static final String CLASS_PREFIX = "class_";
-    private static final String TITLE_PREFIX = "title_";
-
-    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
-    private Context mMockContext;
-    private Context mContext;
-    private SQLiteDatabase mDb;
-    private SiteMapManager mSiteMapManager;
-    private FakeFeatureFactory mFeatureFactory;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        FakeFeatureFactory.setupForTest(mMockContext);
-        mFeatureFactory = (FakeFeatureFactory) FakeFeatureFactory.getFactory(mMockContext);
-
-        mContext = RuntimeEnvironment.application;
-        mDb = IndexDatabaseHelper.getInstance(mContext).getWritableDatabase();
-        buildDb();
-        mSiteMapManager = new SiteMapManager();
-    }
-
-    @After
-    public void cleanUp() {
-        DatabaseTestUtils.clearDb(mContext);
-    }
-
-    @Test
-    public void buildBreadCrumb_onlyFromSiteMapDb_breadcrumbShouldLinkUp() {
-        List<String> breadcrumb = mSiteMapManager.buildBreadCrumb(mContext,
-                CLASS_PREFIX + 0, TITLE_PREFIX + 0);
-        assertThat(breadcrumb.size()).isEqualTo(STATIC_DB_DEPTH + 1);
-        for (int i = 0; i < STATIC_DB_DEPTH; i++) {
-            assertThat(breadcrumb.get(i)).isEqualTo(TITLE_PREFIX + (STATIC_DB_DEPTH - i));
-        }
-    }
-
-    @Test
-    public void buildBreadCrumb_fromSiteMapDbAndDashboardProvider_breadcrumbShouldLinkUp() {
-        final String iaClass = SystemDashboardFragment.class.getName();
-        final String iaTitle = "ia_title";
-
-        ContentValues index = new ContentValues();
-        index.put(IndexDatabaseHelper.IndexColumns.CLASS_NAME, iaClass);
-        index.put(IndexDatabaseHelper.IndexColumns.SCREEN_TITLE, iaTitle);
-        mDb.replaceOrThrow(IndexDatabaseHelper.Tables.TABLE_PREFS_INDEX, null, index);
-
-        final DashboardCategory category = new DashboardCategory();
-        category.key = CategoryKey.CATEGORY_SYSTEM;
-        category.tiles.add(new Tile());
-        category.tiles.get(0).title = TITLE_PREFIX + STATIC_DB_DEPTH;
-        category.tiles.get(0).metaData = new Bundle();
-        category.tiles.get(0).metaData.putString(SettingsActivity.META_DATA_KEY_FRAGMENT_CLASS,
-                CLASS_PREFIX + STATIC_DB_DEPTH);
-        when(mFeatureFactory.dashboardFeatureProvider.getAllCategories())
-                .thenReturn(Arrays.asList(category));
-
-        final List<String> breadcrumb = mSiteMapManager.buildBreadCrumb(mContext,
-                CLASS_PREFIX + 0, TITLE_PREFIX + 0);
-
-        assertThat(breadcrumb.size()).isEqualTo(STATIC_DB_DEPTH + 2);
-        assertThat(breadcrumb.get(0))
-                .isEqualTo(iaTitle);
-    }
-
-    @Test
-    public void buildBreadCrumb_classNotIndexed_shouldNotHaveBreadCrumb() {
-        final String title = "wrong_title";
-
-        final List<String> breadcrumb = mSiteMapManager.buildBreadCrumb(mContext,
-                "wrong_class", title);
-
-        assertThat(breadcrumb.size()).isEqualTo(1);
-        assertThat(breadcrumb.get(0)).isEqualTo(title);
-    }
-
-    private void buildDb() {
-        for (int i = 0; i < STATIC_DB_DEPTH; i++) {
-            final ContentValues siteMapPair = new ContentValues();
-            siteMapPair.put(SiteMapColumns.DOCID, i);
-            siteMapPair.put(SiteMapColumns.PARENT_CLASS, CLASS_PREFIX + (i + 1));
-            siteMapPair.put(SiteMapColumns.PARENT_TITLE, TITLE_PREFIX + (i + 1));
-            siteMapPair.put(SiteMapColumns.CHILD_CLASS, CLASS_PREFIX + i);
-            siteMapPair.put(SiteMapColumns.CHILD_TITLE, TITLE_PREFIX + i);
-            mDb.replaceOrThrow(IndexDatabaseHelper.Tables.TABLE_SITE_MAP, null, siteMapPair);
-        }
-    }
-}
diff --git a/tests/unit/src/com/android/settings/search/SettingsSearchIndexablesProviderTest.java b/tests/unit/src/com/android/settings/search/SettingsSearchIndexablesProviderTest.java
new file mode 100644
index 0000000..aed94a0
--- /dev/null
+++ b/tests/unit/src/com/android/settings/search/SettingsSearchIndexablesProviderTest.java
@@ -0,0 +1,62 @@
+/*
+ * 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.search;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.SearchIndexablesContract;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class SettingsSearchIndexablesProviderTest {
+
+    private Context mContext;
+
+
+    @Before
+    public void setUp() {
+        mContext = InstrumentationRegistry.getTargetContext();
+    }
+
+    @Test
+    public void testSiteMapPairsFetched() {
+        final Uri uri = Uri.parse("content://" + mContext.getPackageName() + "/" +
+                SearchIndexablesContract.SITE_MAP_PAIRS_PATH);
+        final Cursor cursor = mContext.getContentResolver().query(uri, null, null, null, null);
+
+        final int size = cursor.getCount();
+        assertThat(size).isGreaterThan(0);
+        while (cursor.moveToNext()) {
+            assertThat(cursor.getString(cursor.getColumnIndexOrThrow(
+                    SearchIndexablesContract.SiteMapColumns.PARENT_CLASS)))
+                    .isNotEmpty();
+            assertThat(cursor.getString(cursor.getColumnIndexOrThrow(
+                    SearchIndexablesContract.SiteMapColumns.CHILD_CLASS)))
+                    .isNotEmpty();
+        }
+    }
+}