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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.server.cts;
     18 
     19 import android.service.usb.UsbAccessoryProto;
     20 import android.service.usb.UsbDebuggingManagerProto;
     21 import android.service.usb.UsbDeviceFilterProto;
     22 import android.service.usb.UsbDeviceManagerProto;
     23 import android.service.usb.UsbDeviceProto;
     24 import android.service.usb.UsbHandlerProto;
     25 import android.service.usb.UsbHostManagerProto;
     26 import android.service.usb.UsbProfileGroupSettingsManagerProto;
     27 import android.service.usb.UsbServiceDumpProto;
     28 import android.service.usb.UsbSettingsDevicePreferenceProto;
     29 import android.service.usb.UsbSettingsManagerProto;
     30 
     31 /**
     32  * Tests for the UsbService proto dump.
     33  */
     34 public class UsbIncidentTest extends ProtoDumpTestCase {
     35     public void testUsbServiceDump() throws Exception {
     36         final UsbServiceDumpProto dump = getDump(UsbServiceDumpProto.parser(),
     37                 "dumpsys usb --proto");
     38 
     39         verifyUsbServiceDumpProto(dump, PRIVACY_NONE);
     40     }
     41 
     42     static void verifyUsbServiceDumpProto(UsbServiceDumpProto dump, final int filterLevel) throws Exception {
     43         verifyUsbDeviceManagerProto(dump.getDeviceManager(), filterLevel);
     44         verifyUsbHostManagerProto(dump.getHostManager(), filterLevel);
     45         verifyUsbSettingsManagerProto(dump.getSettingsManager(), filterLevel);
     46     }
     47 
     48     private static void verifyUsbDeviceManagerProto(UsbDeviceManagerProto udmp, final int filterLevel) throws Exception {
     49         verifyUsbHandlerProto(udmp.getHandler(), filterLevel);
     50         verifyUsbDebuggingManagerProto(udmp.getDebuggingManager(), filterLevel);
     51     }
     52 
     53     private static void verifyUsbHandlerProto(UsbHandlerProto uhp, final int filterLevel) throws Exception {
     54         for (UsbHandlerProto.Function f : uhp.getCurrentFunctionsList()) {
     55             assertTrue(UsbHandlerProto.Function.getDescriptor().getValues().contains(f.getValueDescriptor()));
     56         }
     57         for (UsbHandlerProto.Function f : uhp.getScreenUnlockedFunctionsList()) {
     58             assertTrue(UsbHandlerProto.Function.getDescriptor().getValues().contains(f.getValueDescriptor()));
     59         }
     60         verifyUsbAccessoryProto(uhp.getCurrentAccessory(), filterLevel);
     61     }
     62 
     63     private static void verifyUsbAccessoryProto(UsbAccessoryProto uap, final int filterLevel) throws Exception {
     64         if (filterLevel == PRIVACY_AUTO) {
     65             assertTrue(uap.getUri().isEmpty());
     66             assertTrue(uap.getSerial().isEmpty());
     67         }
     68     }
     69 
     70     private static void verifyUsbDebuggingManagerProto(UsbDebuggingManagerProto udmp, final int filterLevel) throws Exception {
     71         if (filterLevel < PRIVACY_LOCAL) {
     72             assertTrue(udmp.getSystemKeys().isEmpty());
     73             assertTrue(udmp.getUserKeys().isEmpty());
     74             if (filterLevel < PRIVACY_EXPLICIT) {
     75                 assertTrue(udmp.getLastKeyReceived().isEmpty());
     76             }
     77         }
     78     }
     79 
     80     private static void verifyUsbHostManagerProto(UsbHostManagerProto uhmp, final int filterLevel) throws Exception {
     81         for (UsbDeviceProto udp : uhmp.getDevicesList()) {
     82             verifyUsbDeviceProto(udp, filterLevel);
     83         }
     84     }
     85 
     86     private static void verifyUsbDeviceProto(UsbDeviceProto udp, final int filterLevel) throws Exception {
     87         if (filterLevel == PRIVACY_AUTO) {
     88             assertTrue(udp.getSerialNumber().isEmpty());
     89         }
     90     }
     91 
     92     private static void verifyUsbSettingsManagerProto(UsbSettingsManagerProto usmp, final int filterLevel) throws Exception {
     93         for (UsbProfileGroupSettingsManagerProto upgsmp : usmp.getProfileGroupSettingsList()) {
     94             verifyUsbProfileGroupSettingsManagerProto(upgsmp, filterLevel);
     95         }
     96     }
     97 
     98     private static void verifyUsbProfileGroupSettingsManagerProto(UsbProfileGroupSettingsManagerProto pgsp, final int filterLevel) throws Exception {
     99         for (UsbSettingsDevicePreferenceProto usdp : pgsp.getDevicePreferencesList()) {
    100             verifyUsbDeviceFilterProto(usdp.getFilter(), filterLevel);
    101         }
    102     }
    103 
    104     private static void verifyUsbDeviceFilterProto(UsbDeviceFilterProto udfp, final int filterLevel) throws Exception {
    105         if (filterLevel == PRIVACY_AUTO) {
    106             assertTrue(udfp.getSerialNumber().isEmpty());
    107         }
    108     }
    109 }
    110