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
17package com.android.settings.display;
18
19import static com.google.common.truth.Truth.assertThat;
20
21import static org.mockito.Matchers.any;
22import static org.mockito.Matchers.anyInt;
23import static org.mockito.Mockito.mock;
24import static org.mockito.Mockito.when;
25
26import android.content.Context;
27import android.content.Intent;
28import android.content.pm.PackageManager;
29import android.content.pm.ResolveInfo;
30
31import com.android.settings.R;
32import com.android.settings.TestConfig;
33import com.android.settings.testutils.SettingsRobolectricTestRunner;
34
35import org.junit.Before;
36import org.junit.Test;
37import org.junit.runner.RunWith;
38import org.mockito.Mock;
39import org.mockito.MockitoAnnotations;
40import org.robolectric.annotation.Config;
41
42import java.util.ArrayList;
43import java.util.List;
44
45@RunWith(SettingsRobolectricTestRunner.class)
46@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
47public class WallpaperPreferenceControllerTest {
48
49    private static final String WALLPAPER_PACKAGE = "TestPkg";
50    private static final String WALLPAPER_CLASS = "TestCls";
51
52    @Mock
53    private Context mContext;
54    @Mock
55    private PackageManager mPackageManager;
56
57    private WallpaperPreferenceController mController;
58
59    @Before
60    public void setUp() throws PackageManager.NameNotFoundException {
61        MockitoAnnotations.initMocks(this);
62        when(mContext.getString(R.string.config_wallpaper_picker_package))
63                .thenReturn(WALLPAPER_PACKAGE);
64        when(mContext.getString(R.string.config_wallpaper_picker_class))
65                .thenReturn(WALLPAPER_CLASS);
66        when(mContext.getPackageManager()).thenReturn(mPackageManager);
67
68        mController = new WallpaperPreferenceController(mContext);
69    }
70
71    @Test
72    public void isAvailable_wallpaerPickerEnabled_shouldReturnTrue() {
73        final List<ResolveInfo> resolveInfos = new ArrayList<>();
74        resolveInfos.add(mock(ResolveInfo.class));
75        when(mPackageManager.queryIntentActivities(any(Intent.class), anyInt()))
76                .thenReturn(resolveInfos);
77
78        assertThat(mController.isAvailable()).isTrue();
79    }
80
81    @Test
82    public void isAvailable_wallpaerPickerDisbled_shouldReturnFalseAndNoCrash() {
83        when(mPackageManager.queryIntentActivities(any(Intent.class), anyInt())).thenReturn(null);
84
85        assertThat(mController.isAvailable()).isFalse();
86
87        final List<ResolveInfo> resolveInfos = new ArrayList<>();
88        when(mPackageManager.queryIntentActivities(any(Intent.class), anyInt()))
89                .thenReturn(resolveInfos);
90
91        assertThat(mController.isAvailable()).isFalse();
92        // should not crash
93    }
94}
95