Merge "Use storage fast track to query packages in app info."

tests/robotests/src/com/android/settings/applications/FetchPackageStorageAsyncLoaderTest.java

@@ -0,0 +1,72 @@
+/*
+ * 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.applications;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.os.UserHandle;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settingslib.applications.StorageStatsSource;
+import com.android.settingslib.applications.StorageStatsSource.AppStorageStats;
+
+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.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class FetchPackageStorageAsyncLoaderTest {
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock
+    private StorageStatsSource mSource;
+
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void worksForValidPackageNameAndUid() {
+        AppStorageStats stats = mock(AppStorageStats.class);
+        when(stats.getCodeBytes()).thenReturn(1L);
+        when(stats.getDataBytes()).thenReturn(2L);
+        when(stats.getCacheBytes()).thenReturn(3L);
+        when(mSource.getStatsForPackage(anyString(), anyString(), any(UserHandle.class)))
+                .thenReturn(stats);
+        ApplicationInfo info = new ApplicationInfo();
+        info.packageName = "com.test.package";
+
+        FetchPackageStorageAsyncLoader task = new FetchPackageStorageAsyncLoader(
+                mContext, mSource, info, new UserHandle(0));
+        assertThat(task.loadInBackground()).isEqualTo(stats);
+    }
+}