Use the fast track calculation for apps.

This replaces the calculation of the apps category
and add in a calculation for the games category using
the faster GID calculation. This should result in app
sizes loading roughly 10 times after.

Bug: 34204877
Test: Settings unit & robo tests
Change-Id: I78044a8d50f695f8c0a7e04183030232a9719260

tests/unit/src/com/android/settings/deviceinfo/storage/AppAsyncLoaderTest.java

@@ -0,0 +1,116 @@
+/*
+ * 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.deviceinfo.storage;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+
+import com.android.settings.applications.PackageManagerWrapper;
+
+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 java.util.ArrayList;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class AppAsyncLoaderTest {
+    @Mock
+    private StorageStatsSource mSource;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock
+    private PackageManagerWrapper mPackageManager;
+    ArrayList<ApplicationInfo> mInfo = new ArrayList<>();
+
+    private AppsAsyncLoader mLoader;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        mInfo = new ArrayList<>();
+        mLoader = new AppsAsyncLoader(mContext, 1, "id", mSource, mPackageManager);
+        when(mPackageManager.getInstalledApplicationsAsUser(anyInt(), anyInt())).thenReturn(mInfo);
+    }
+
+    @Test
+    public void testLoadingApps() throws Exception {
+        addPackage(1001, 0, 1, 10, ApplicationInfo.CATEGORY_UNDEFINED);
+        addPackage(1002, 0, 100, 1000, ApplicationInfo.CATEGORY_UNDEFINED);
+
+        AppsAsyncLoader.AppsStorageResult result = mLoader.loadInBackground();
+
+        assertThat(result.gamesSize).isEqualTo(0L);
+        assertThat(result.otherAppsSize).isEqualTo(1111L);
+    }
+
+    @Test
+    public void testGamesAreFiltered() throws Exception {
+        addPackage(1001, 0, 1, 10, ApplicationInfo.CATEGORY_GAME);
+
+        AppsAsyncLoader.AppsStorageResult result = mLoader.loadInBackground();
+
+        assertThat(result.gamesSize).isEqualTo(11L);
+        assertThat(result.otherAppsSize).isEqualTo(0);
+    }
+
+    @Test
+    public void testDuplicateUidsAreSkipped() throws Exception {
+        addPackage(1001, 0, 1, 10, ApplicationInfo.CATEGORY_UNDEFINED);
+        addPackage(1001, 0, 1, 10, ApplicationInfo.CATEGORY_UNDEFINED);
+
+        AppsAsyncLoader.AppsStorageResult result = mLoader.loadInBackground();
+
+        assertThat(result.otherAppsSize).isEqualTo(11L);
+    }
+
+    @Test
+    public void testCacheIsIgnored() throws Exception {
+        addPackage(1001, 100, 1, 10, ApplicationInfo.CATEGORY_UNDEFINED);
+
+        AppsAsyncLoader.AppsStorageResult result = mLoader.loadInBackground();
+
+        assertThat(result.otherAppsSize).isEqualTo(11L);
+    }
+
+    private void addPackage(int uid, long cacheSize, long codeSize, long dataSize, int category) {
+        StorageStatsSource.AppStorageStats storageStats =
+                mock(StorageStatsSource.AppStorageStats.class);
+        when(storageStats.getCodeBytes()).thenReturn(codeSize);
+        when(storageStats.getDataBytes()).thenReturn(dataSize);
+        when(mSource.getStatsForUid(anyString(), eq(uid))).thenReturn(storageStats);
+
+        ApplicationInfo info = new ApplicationInfo();
+        info.uid = uid;
+        info.category = category;
+        mInfo.add(info);
+    }
+}