1 /*
2  * Copyright (C) 2019 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.tests.apex;
18 
19 import static org.junit.Assert.assertEquals;
20 import static org.junit.Assert.assertTrue;
21 
22 import com.android.tradefed.device.DeviceNotAvailableException;
23 import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
24 import com.android.tradefed.util.CommandResult;
25 
26 import org.junit.runner.RunWith;
27 
28 import java.util.Scanner;
29 import java.util.regex.Matcher;
30 import java.util.regex.Pattern;
31 
32 /**
33  * Test to check if Apex can be staged, activated and uninstalled successfully.
34  */
35 @RunWith(DeviceJUnit4ClassRunner.class)
36 public class MediaHostTest extends ApexE2EBaseHostTest {
37     // Pattern for extractor info in dumpsys media.extractor. e.g.:
38     // AAC Extractor: plugin_version(3), uuid(4fd80eae03d24d729eb948fa6bb54613), \
39     // version(1), path(/apex/com.android.media/lib/extractors/libaacextractor.so), \
40     // supports: aac
41     private static final Pattern EXTRACTOR_PLUGIN_REGEX =
42             Pattern.compile("\\s+(.*): plugin_version\\((\\d+)\\), uuid\\((.+)\\)"
43                     + ", version\\((\\d+)\\), path\\((.+)\\), supports: (.*)");
44     private static final int DEFAULT_EXTRACTOR_PLUGIN_COUNT = 10;
45     private static final String MEDIA_APEX_PATH = "/apex/com.android.media";
46 
47     @Override
additionalCheck()48     public void additionalCheck() {
49         checkMediaExtractor();
50     }
51 
checkMediaExtractor()52     private void checkMediaExtractor() {
53         try {
54             CommandResult commandResult =
55                     getDevice().executeShellV2Command("dumpsys media.extractor");
56             assertEquals(0, (int) commandResult.getExitCode());
57 
58             String outputString = commandResult.getStdout();
59             Scanner in = new Scanner(outputString);
60             int extractorCount = 0;
61             while (in.hasNextLine()) {
62                 String line = in.nextLine();
63                 Matcher m = EXTRACTOR_PLUGIN_REGEX.matcher(line);
64                 if (m.matches()) {
65                     assertTrue("Plugin path does not start with " + MEDIA_APEX_PATH
66                             + ". dumpsys output: " + line,
67                             m.group(5).startsWith(MEDIA_APEX_PATH));
68                     extractorCount++;
69                 }
70             }
71             assertTrue("Failed to find enough plug-ins. expected: " + DEFAULT_EXTRACTOR_PLUGIN_COUNT
72                     + " actual: " + extractorCount + " dumpsys output: " + outputString,
73                     DEFAULT_EXTRACTOR_PLUGIN_COUNT <= extractorCount);
74         } catch (DeviceNotAvailableException e) {
75             throw new AssertionError("Unable to run dumpsys", e);
76         }
77     }
78 }
79