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Merge 24Q4 (ab/12406339) into aosp-main-future

Browse source 
Bug: 370570306
Merged-In: I3977722564241817575d94b2d2023eac6939ce1c
Change-Id: Ifdc2acba1138fd79b5f26ffc07e7024149440872
This commit is contained in:
Xin Li 2024-11-06 11:05:05 -08:00
commit d3c951fe56
22 changed files with 274 additions and 163 deletions
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123
CopyEfsTest/src/com/android/test/CopyEfsTest.java
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@ -19,12 +19,16 @@ package com.android.test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeTrue;
import org.junit.Before;
import org.junit.After;
import android.platform.test.annotations.AppModeFull;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
import com.android.tradefed.testtype.junit4.DeviceTestRunOptions;
import com.android.tradefed.util.CommandResult;
import com.android.tradefed.util.RunUtil;
import org.junit.Test;
@ -36,62 +40,91 @@ import java.io.StringReader;
@RunWith(DeviceJUnit4ClassRunner.class)
public class CopyEfsTest extends BaseHostJUnit4Test {
@Before
public void setUp() throws Exception {
getDevice().enableAdbRoot();
getDevice().executeShellCommand("rm -rf /data/local/tmp/efs_test");
getDevice().executeShellCommand("mkdir -p /data/local/tmp/efs_test/mnt");
getDevice().executeShellCommand("mkdir -p /data/local/tmp/efs_test/dump");
}
@Test
@AppModeFull
public void copyEfsTest() throws Exception {
assumeTrue(getDevice().executeShellCommand("getconf PAGESIZE").trim().equals("4096"));
getDevice().enableAdbRoot();
// This test can be run on OEM unlocked device only as unlocking bootloader requires
// manual intervention.
String result = getDevice().getProperty("ro.boot.flash.locked");
assumeTrue("0".equals(result));
final String dataFstype = getFsTypeFor("/data");
assertTrue(!dataFstype.isEmpty());
if (!dataFstype.equals("ext4")) {
getDevice().executeShellCommand("cmd recovery wipe ext4");
RunUtil.getDefault().sleep(10000);
// Wait for 2 mins device to be online againg
getDevice().waitForDeviceOnline(120000);
getDevice().enableAdbRoot();
}
assertEquals("ext4", getFsTypeFor("/data"));
String dataBlockDev = getBlockDevFor("/data");
assertEquals(dataBlockDev, getBlockDevFor("/mnt/vendor/efs"));
assertEquals(dataBlockDev, getBlockDevFor("/mnt/vendor/efs_backup"));
assertEquals(dataBlockDev, getBlockDevFor("/mnt/vendor/modem_userdata"));
testDumpF2FS("efs");
testDumpF2FS("efs_backup");
testDumpF2FS("modem_userdata");
testDumpF2FS("persist");
}
private String[] getMountInfo(String mountPoint) throws Exception {
String result = getDevice().executeShellCommand("cat /proc/mounts");
BufferedReader br = new BufferedReader(new StringReader(result));
String line;
while ((line = br.readLine()) != null) {
final String[] fields = line.split(" ");
final String device = fields[0];
final String partition = fields[1];
final String fsType = fields[2];
if (partition.equals(mountPoint)) {
return fields;
private CommandResult RunAndCheckAdbCmd(String cmd) throws DeviceNotAvailableException {
CommandResult r = getDevice().executeShellV2Command(cmd);
assertEquals("Failed to run " + cmd, Integer.valueOf(0), r.getExitCode());
return r;
}
// Remove timestamps because ls on device does not support --time-style.
// Format is [permissions] [links] [uid] [gid] [size] time [name/symlink]
// time may vary greatly in formatting
// symlinks will be of the form a -> b
// So we can check for -> in the second to last spot to determine what position the timestamp ends at
// Remove totals because on disk block usage may change depending on filesystem
private String removeTimestamps(String input) {
StringBuilder output = new StringBuilder();
for (String line : input.split("\n")) {
String[] tokens = line.split("(?<![\\\\])\s+");
if (tokens[0].equals("total"))
continue;
if (tokens.length < 3) {
output.append(line + "\n");
continue;
}
int name_offset = 1;
if (tokens[tokens.length - 2].equals("->"))
name_offset = 3;
for (int i=0; i<tokens.length; i++) {
if (i >= 5 && i < tokens.length - name_offset)
continue;
if (i != 0)
output.append(" ");
output.append(tokens[i]);
}
output.append("\n");
}
return null;
return output.toString();
}
private String getFsTypeFor(String mountPoint) throws Exception {
String[] result = getMountInfo(mountPoint);
if (result == null) {
return "";
}
return result[2];
private void testDumpF2FS(String name) throws Exception {
RunAndCheckAdbCmd(String.format("cp /dev/block/by-name/%s /data/local/tmp/efs_test/%s.img", name, name));
// The device was mounted r/w. To get a clean image, we run fsck, and then mount to allow mount time fixes to happen.
// We can then dump and mount read only to ensure the contents should be the same.
RunAndCheckAdbCmd(String.format("fsck.f2fs -f /data/local/tmp/efs_test/%s.img", name));
RunAndCheckAdbCmd(String.format("mount /data/local/tmp/efs_test/%s.img /data/local/tmp/efs_test/mnt", name));
RunAndCheckAdbCmd("umount /data/local/tmp/efs_test/mnt");
RunAndCheckAdbCmd(String.format("dump.f2fs -rfPLo /data/local/tmp/efs_test/dump /data/local/tmp/efs_test/%s.img", name));
RunAndCheckAdbCmd(String.format("mount -r /data/local/tmp/efs_test/%s.img /data/local/tmp/efs_test/mnt", name));
CommandResult r = RunAndCheckAdbCmd("diff -rq --no-dereference /data/local/tmp/efs_test/mnt /data/local/tmp/efs_test/dump");
assertEquals(r.getStdout(), "");
String ls_cmd = "cd /data/local/tmp/efs_test/%s;ls -AlnR .";
CommandResult mnt_ls = RunAndCheckAdbCmd(String.format(ls_cmd, "mnt"));
CommandResult dump_ls = RunAndCheckAdbCmd(String.format(ls_cmd, "dump"));
assertEquals(removeTimestamps(mnt_ls.getStdout()), removeTimestamps(dump_ls.getStdout()));
getDevice().executeShellCommand("umount /data/local/tmp/efs_test/mnt");
getDevice().executeShellCommand("rm -rf /data/local/tmp/efs_test/dump/*");
getDevice().executeShellCommand("rm /data/local/tmp/efs_test/" + name + ".img");
}
private String getBlockDevFor(String mountPoint) throws Exception {
String[] result = getMountInfo(mountPoint);
if (result == null) {
return "";
}
return result[0];
@After
public void tearDown() throws Exception {
getDevice().executeShellCommand("umount /data/local/tmp/efs_test/mnt");
getDevice().executeShellCommand("rm -rf /data/local/tmp/efs_test");
}
}