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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings.applications;
     18 
     19 import static com.google.common.truth.Truth.assertThat;
     20 import static org.mockito.ArgumentMatchers.nullable;
     21 import static org.mockito.Matchers.any;
     22 import static org.mockito.Matchers.anyString;
     23 import static org.mockito.Mockito.mock;
     24 import static org.mockito.Mockito.when;
     25 
     26 import android.content.Context;
     27 import android.content.pm.ApplicationInfo;
     28 import android.os.UserHandle;
     29 
     30 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     31 import com.android.settingslib.applications.StorageStatsSource;
     32 import com.android.settingslib.applications.StorageStatsSource.AppStorageStats;
     33 
     34 import org.junit.Before;
     35 import org.junit.Test;
     36 import org.junit.runner.RunWith;
     37 import org.mockito.Answers;
     38 import org.mockito.Mock;
     39 import org.mockito.MockitoAnnotations;
     40 
     41 import java.io.IOException;
     42 
     43 @RunWith(SettingsRobolectricTestRunner.class)
     44 public class FetchPackageStorageAsyncLoaderTest {
     45 
     46     private static final String PACKAGE_NAME = "com.test.package";
     47 
     48     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     49     private Context mContext;
     50     @Mock
     51     private StorageStatsSource mSource;
     52 
     53     @Before
     54     public void setUp() {
     55         MockitoAnnotations.initMocks(this);
     56     }
     57 
     58     @Test
     59     public void worksForValidPackageNameAndUid() throws Exception {
     60         AppStorageStats stats = mock(AppStorageStats.class);
     61         when(stats.getCodeBytes()).thenReturn(1L);
     62         when(stats.getDataBytes()).thenReturn(2L);
     63         when(stats.getCacheBytes()).thenReturn(3L);
     64         when(mSource.getStatsForPackage(nullable(String.class), nullable(String.class),
     65                 any(UserHandle.class)))
     66                 .thenReturn(stats);
     67         ApplicationInfo info = new ApplicationInfo();
     68         info.packageName = PACKAGE_NAME;
     69 
     70         FetchPackageStorageAsyncLoader task = new FetchPackageStorageAsyncLoader(
     71                 mContext, mSource, info, new UserHandle(0));
     72         assertThat(task.loadInBackground()).isEqualTo(stats);
     73     }
     74 
     75     @Test
     76     public void installerExceptionHandledCleanly() throws Exception {
     77         when(mSource.getStatsForPackage(anyString(), anyString(), any(UserHandle.class))).
     78                 thenThrow(new IOException("intentional failure"));
     79         ApplicationInfo info = new ApplicationInfo();
     80         info.packageName = PACKAGE_NAME;
     81         FetchPackageStorageAsyncLoader task = new FetchPackageStorageAsyncLoader(
     82                 mContext, mSource, info, new UserHandle(0));
     83 
     84         assertThat(task.loadInBackground()).isNull();
     85     }
     86 }
     87