1 /*
2  * Copyright (C) 2018 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 package com.android.launcher3.util;
17 
18 import static androidx.test.InstrumentationRegistry.getContext;
19 import static androidx.test.InstrumentationRegistry.getInstrumentation;
20 
21 import android.content.res.Resources;
22 
23 import androidx.test.uiautomator.UiDevice;
24 
25 import java.io.FileOutputStream;
26 import java.io.IOException;
27 import java.io.InputStream;
28 
29 public class TestUtil {
30     public static final String DUMMY_PACKAGE = "com.example.android.aardwolf";
31 
installDummyApp()32     public static void installDummyApp() throws IOException {
33         // Copy apk from resources to a local file and install from there.
34         final Resources resources = getContext().getResources();
35         final InputStream in = resources.openRawResource(
36                 resources.getIdentifier("aardwolf_dummy_app",
37                         "raw", getContext().getPackageName()));
38         final String apkFilename = getInstrumentation().getTargetContext().
39                 getFilesDir().getPath() + "/dummy_app.apk";
40 
41         final FileOutputStream out = new FileOutputStream(apkFilename);
42         byte[] buff = new byte[1024];
43         int read;
44 
45         while ((read = in.read(buff)) > 0) {
46             out.write(buff, 0, read);
47         }
48         in.close();
49         out.close();
50 
51         UiDevice.getInstance(getInstrumentation()).executeShellCommand("pm install " + apkFilename);
52     }
53 
uninstallDummyApp()54     public static void uninstallDummyApp() throws IOException {
55         UiDevice.getInstance(getInstrumentation()).executeShellCommand(
56                 "pm uninstall " + DUMMY_PACKAGE);
57     }
58 }
59