1 /* 2 * Copyright (C) 2015 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 android.accessibilityservice.cts; 18 19 import android.app.UiAutomation; 20 import android.os.ParcelFileDescriptor; 21 import android.test.InstrumentationTestCase; 22 23 import java.io.BufferedReader; 24 import java.io.FileInputStream; 25 import java.io.IOException; 26 import java.io.InputStream; 27 import java.io.InputStreamReader; 28 import java.nio.charset.StandardCharsets; 29 import java.util.LinkedList; 30 31 public class ShellCommandBuilder { 32 private final LinkedList<String> mCommands = new LinkedList<>(); 33 34 private final InstrumentationTestCase mTestCase; 35 create(InstrumentationTestCase testCase)36 public static ShellCommandBuilder create(InstrumentationTestCase testCase) { 37 return new ShellCommandBuilder(testCase); 38 } 39 ShellCommandBuilder(InstrumentationTestCase testCase)40 private ShellCommandBuilder(InstrumentationTestCase testCase) { 41 mTestCase = testCase; 42 } 43 run()44 public void run() { 45 final UiAutomation automation = mTestCase.getInstrumentation().getUiAutomation( 46 UiAutomation.FLAG_DONT_SUPPRESS_ACCESSIBILITY_SERVICES); 47 for (String command : mCommands) { 48 execShellCommand(automation, command); 49 } 50 } 51 deleteSecureSetting(String name)52 public ShellCommandBuilder deleteSecureSetting(String name) { 53 mCommands.add("settings delete secure " + name); 54 return this; 55 } 56 putSecureSetting(String name, String value)57 public ShellCommandBuilder putSecureSetting(String name, String value) { 58 mCommands.add("settings put secure " + name + " " + value); 59 return this; 60 } 61 grantPermission(String packageName, String permission)62 public ShellCommandBuilder grantPermission(String packageName, String permission) { 63 mCommands.add("pm grant " + packageName + " " + permission); 64 return this; 65 } 66 addCommand(String command)67 public ShellCommandBuilder addCommand(String command) { 68 mCommands.add(command); 69 return this; 70 } 71 execShellCommand(UiAutomation automation, String command)72 private static void execShellCommand(UiAutomation automation, String command) { 73 try (ParcelFileDescriptor fd = automation.executeShellCommand(command)) { 74 try (InputStream inputStream = new FileInputStream(fd.getFileDescriptor())) { 75 try (BufferedReader reader = new BufferedReader( 76 new InputStreamReader(inputStream, StandardCharsets.UTF_8))) { 77 while (reader.readLine() != null) { 78 // Keep reading. 79 } 80 } 81 } 82 } catch (IOException e) { 83 throw new RuntimeException("Failed to exec shell command", e); 84 } 85 } 86 } 87