044dead5b6
We're copying from a live r/w image, so the picture we get may be a bit distorted. Running fsck over the image first should help with reliability, but f2fs does some fixes on mount as well, so we mount and unmount the image before running dump.f2fs. Change-Id: Ibb15388c55b6f909a1d1b849f9760f248644d9e9 Signed-off-by: Daniel Rosenberg <drosen@google.com> Bug: 349120101 Test: atest CopyEfsTest Flag: TEST_ONLY
97 lines
4.5 KiB
Java
97 lines
4.5 KiB
Java
/*
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* Copyright (C) 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.test;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assume.assumeTrue;
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import org.junit.Before;
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import org.junit.After;
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import android.platform.test.annotations.AppModeFull;
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import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
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import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
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import com.android.tradefed.testtype.junit4.DeviceTestRunOptions;
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import com.android.tradefed.util.CommandResult;
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import com.android.tradefed.util.RunUtil;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import java.io.BufferedReader;
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import java.io.StringReader;
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@RunWith(DeviceJUnit4ClassRunner.class)
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public class CopyEfsTest extends BaseHostJUnit4Test {
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@Before
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public void setUp() throws Exception {
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getDevice().enableAdbRoot();
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getDevice().executeShellCommand("rm -rf /data/local/tmp/efs_test");
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getDevice().executeShellCommand("mkdir -p /data/local/tmp/efs_test/mnt");
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getDevice().executeShellCommand("mkdir -p /data/local/tmp/efs_test/dump");
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}
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@Test
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@AppModeFull
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public void copyEfsTest() throws Exception {
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assumeTrue(getDevice().executeShellCommand("getconf PAGESIZE").trim().equals("4096"));
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testDumpF2FS("efs");
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testDumpF2FS("efs_backup");
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testDumpF2FS("modem_userdata");
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}
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private void testDumpF2FS(String name) throws Exception {
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getDevice().executeShellCommand(String.format("cp /dev/block/by-name/%s /data/local/tmp/efs_test/%s.img", name, name));
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// The device was mounted r/w. To get a clean image, we run fsck, and then mount to allow mount time fixes to happen.
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// We can then dump and mount read only to ensure the contents should be the same.
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getDevice().executeShellCommand(String.format("fsck.f2fs -f /data/local/tmp/efs_test/%s.img", name, name));
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CommandResult r = getDevice().executeShellV2Command(String.format("mount /data/local/tmp/efs_test/%s.img /data/local/tmp/efs_test/mnt", name));
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assertEquals(r.getExitCode().intValue(), 0);
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r = getDevice().executeShellV2Command("umount /data/local/tmp/efs_test/mnt");
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assertEquals(r.getExitCode().intValue(), 0);
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r = getDevice().executeShellV2Command(String.format("dump.f2fs -rfPo /data/local/tmp/efs_test/dump /data/local/tmp/efs_test/%s.img", name));
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assertEquals(r.getExitCode().intValue(), 0);
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r = getDevice().executeShellV2Command(String.format("mount -r /data/local/tmp/efs_test/%s.img /data/local/tmp/efs_test/mnt", name));
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assertEquals(r.getExitCode().intValue(), 0);
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assertEquals("", getDevice().executeShellCommand("diff -rq /data/local/tmp/efs_test/mnt /data/local/tmp/efs_test/dump"));
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// Remove timestamps at positions 6 and 7, because ls on device does not support --time-style
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// Remove totals because on disk block usage may change depending on filesystem
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String ls_cmd = "cd /data/local/tmp/efs_test/%s;ls -AlLnR . | awk {'$6=\"\";$7=\"\";if ($1 != \"total\"){print $0}'}";
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String mnt_ls = getDevice().executeShellCommand(String.format(ls_cmd, "mnt"));
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assertEquals(getDevice().executeShellCommand("echo $?"), "0\n");
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String dump_ls = getDevice().executeShellCommand(String.format(ls_cmd, "dump"));
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assertEquals(getDevice().executeShellCommand("echo $?"), "0\n");
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assertEquals(mnt_ls, dump_ls);
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getDevice().executeShellCommand("umount /data/local/tmp/efs_test/mnt");
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getDevice().executeShellCommand("rm -rf /data/local/tmp/efs_test/dump/*");
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getDevice().executeShellCommand("rm /data/local/tmp/efs_test/" + name + ".img");
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}
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@After
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public void tearDown() throws Exception {
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getDevice().executeShellCommand("umount /data/local/tmp/efs_test/mnt");
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getDevice().executeShellCommand("rm -rf /data/local/tmp/efs_test");
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}
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}
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