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.datausage; 18 19 import static com.google.common.truth.Truth.assertThat; 20 import static org.mockito.Matchers.anyInt; 21 import static org.mockito.Matchers.anyString; 22 import static org.mockito.Mockito.mock; 23 import static org.mockito.Mockito.when; 24 25 import android.content.pm.ApplicationInfo; 26 import android.content.pm.PackageManager; 27 import android.content.pm.PackageManager.NameNotFoundException; 28 import android.graphics.drawable.Drawable; 29 import android.support.v7.preference.Preference; 30 import android.util.ArraySet; 31 32 import com.android.settings.testutils.SettingsRobolectricTestRunner; 33 34 import org.junit.Before; 35 import org.junit.Test; 36 import org.junit.runner.RunWith; 37 import org.mockito.Mock; 38 import org.mockito.MockitoAnnotations; 39 import org.robolectric.RuntimeEnvironment; 40 41 @RunWith(SettingsRobolectricTestRunner.class) 42 public class AppPrefLoaderTest { 43 44 @Mock 45 private PackageManager mPackageManager; 46 47 private AppPrefLoader mLoader; 48 49 @Before setUp()50 public void setUp() throws Exception { 51 MockitoAnnotations.initMocks(this); 52 final ArraySet<String> pkgs = new ArraySet<>(2); 53 pkgs.add("pkg0"); 54 pkgs.add("pkg1"); 55 mLoader = new AppPrefLoader(RuntimeEnvironment.application, pkgs, mPackageManager); 56 } 57 58 @Test loadInBackground_packageNotFound_shouldReturnEmptySet()59 public void loadInBackground_packageNotFound_shouldReturnEmptySet() 60 throws NameNotFoundException { 61 when(mPackageManager.getApplicationInfo(anyString(), anyInt())) 62 .thenThrow(new NameNotFoundException()); 63 64 assertThat(mLoader.loadInBackground()).isEmpty(); 65 } 66 67 @Test loadInBackground_shouldReturnPreference()68 public void loadInBackground_shouldReturnPreference() throws NameNotFoundException { 69 ApplicationInfo info = mock(ApplicationInfo.class); 70 when(mPackageManager.getApplicationInfo(anyString(), anyInt())).thenReturn(info); 71 final Drawable drawable = mock(Drawable.class); 72 final String label = "Label1"; 73 when(info.loadIcon(mPackageManager)).thenReturn(drawable); 74 when(info.loadLabel(mPackageManager)).thenReturn(label); 75 76 Preference preference = mLoader.loadInBackground().valueAt(0); 77 assertThat(preference.getTitle()).isEqualTo(label); 78 assertThat(preference.getIcon()).isEqualTo(drawable); 79 assertThat(preference.isSelectable()).isFalse(); 80 } 81 } 82