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#!/bin/bash
#
# A test suite for applypatch. Run in a client where you have done
# envsetup, choosecombo, etc.
#
# DO NOT RUN THIS ON A DEVICE YOU CARE ABOUT. It will mess up your
# system partition.
#
#
# TODO: find some way to get this run regularly along with the rest of
# the tests.
EMULATOR_PORT=5580
DATA_DIR=$ANDROID_BUILD_TOP/src/applypatch/testdata
# This must be the filename that applypatch uses for its copies.
CACHE_TEMP_SOURCE=/cache/saved.file
# Put all binaries and files here. We use /cache because it's a
# temporary filesystem in the emulator; it's created fresh each time
# the emulator starts.
WORK_DIR=/system
# partition that WORK_DIR is located on, without the leading slash
WORK_FS=system
# set to 0 to use a device instead
USE_EMULATOR=1
# ------------------------
tmpdir=$(mktemp -d)
if [ "$USE_EMULATOR" == 1 ]; then
emulator -wipe-data -noaudio -no-window -port $EMULATOR_PORT &
pid_emulator=$!
ADB="adb -s emulator-$EMULATOR_PORT "
else
ADB="adb -d "
fi
echo "waiting to connect to device"
$ADB wait-for-device
echo "device is available"
$ADB remount
# free up enough space on the system partition for the test to run.
$ADB shell rm -r /system/media
# run a command on the device; exit with the exit status of the device
# command.
run_command() {
$ADB shell "$@" \; echo \$? | awk '{if (b) {print a}; a=$0; b=1} END {exit a}'
}
testname() {
echo
echo "$1"...
testname="$1"
}
fail() {
echo
echo FAIL: $testname
echo
[ "$open_pid" == "" ] || kill $open_pid
[ "$pid_emulator" == "" ] || kill $pid_emulator
exit 1
}
sha1() {
sha1sum $1 | awk '{print $1}'
}
free_space() {
run_command df | awk "/$1/ {print gensub(/K/, \"\", \"g\", \$6)}"
}
cleanup() {
# not necessary if we're about to kill the emulator, but nice for
# running on real devices or already-running emulators.
testname "removing test files"
run_command rm $WORK_DIR/bloat.dat
run_command rm $WORK_DIR/old.file
run_command rm $WORK_DIR/foo
run_command rm $WORK_DIR/patch.bsdiff
run_command rm $WORK_DIR/applypatch
run_command rm $CACHE_TEMP_SOURCE
run_command rm /cache/bloat*.dat
[ "$pid_emulator" == "" ] || kill $pid_emulator
if [ $# == 0 ]; then
rm -rf $tmpdir
fi
}
cleanup leave_tmp
$ADB push $ANDROID_PRODUCT_OUT/system/bin/applypatch $WORK_DIR/applypatch
BAD1_SHA1=$(printf "%040x" $RANDOM)
BAD2_SHA1=$(printf "%040x" $RANDOM)
OLD_SHA1=$(sha1 $DATA_DIR/old.file)
NEW_SHA1=$(sha1 $DATA_DIR/new.file)
NEW_SIZE=$(stat -c %s $DATA_DIR/new.file)
# --------------- basic execution ----------------------
testname "usage message"
run_command $WORK_DIR/applypatch && fail
testname "display license"
run_command $WORK_DIR/applypatch -l | grep -q -i copyright || fail
# --------------- check mode ----------------------
$ADB push $DATA_DIR/old.file $WORK_DIR
testname "check mode single"
run_command $WORK_DIR/applypatch -c $WORK_DIR/old.file $OLD_SHA1 || fail
testname "check mode multiple"
run_command $WORK_DIR/applypatch -c $WORK_DIR/old.file $BAD1_SHA1 $OLD_SHA1 $BAD2_SHA1|| fail
testname "check mode failure"
run_command $WORK_DIR/applypatch -c $WORK_DIR/old.file $BAD2_SHA1 $BAD1_SHA1 && fail
$ADB push $DATA_DIR/old.file $CACHE_TEMP_SOURCE
# put some junk in the old file
run_command dd if=/dev/urandom of=$WORK_DIR/old.file count=100 bs=1024 || fail
testname "check mode cache (corrupted) single"
run_command $WORK_DIR/applypatch -c $WORK_DIR/old.file $OLD_SHA1 || fail
testname "check mode cache (corrupted) multiple"
run_command $WORK_DIR/applypatch -c $WORK_DIR/old.file $BAD1_SHA1 $OLD_SHA1 $BAD2_SHA1|| fail
testname "check mode cache (corrupted) failure"
run_command $WORK_DIR/applypatch -c $WORK_DIR/old.file $BAD2_SHA1 $BAD1_SHA1 && fail
# remove the old file entirely
run_command rm $WORK_DIR/old.file
testname "check mode cache (missing) single"
run_command $WORK_DIR/applypatch -c $WORK_DIR/old.file $OLD_SHA1 || fail
testname "check mode cache (missing) multiple"
run_command $WORK_DIR/applypatch -c $WORK_DIR/old.file $BAD1_SHA1 $OLD_SHA1 $BAD2_SHA1|| fail
testname "check mode cache (missing) failure"
run_command $WORK_DIR/applypatch -c $WORK_DIR/old.file $BAD2_SHA1 $BAD1_SHA1 && fail
# --------------- apply patch ----------------------
$ADB push $DATA_DIR/old.file $WORK_DIR
$ADB push $DATA_DIR/patch.bsdiff $WORK_DIR
echo hello > $tmpdir/foo
$ADB push $tmpdir/foo $WORK_DIR
# Check that the partition has enough space to apply the patch without
# copying. If it doesn't, we'll be testing the low-space condition
# when we intend to test the not-low-space condition.
testname "apply patches (with enough space)"
free_kb=$(free_space $WORK_FS)
echo "${free_kb}kb free on /$WORK_FS."
if (( free_kb * 1024 < NEW_SIZE * 3 / 2 )); then
echo "Not enough space on /$WORK_FS to patch test file."
echo
echo "This doesn't mean that applypatch is necessarily broken;"
echo "just that /$WORK_FS doesn't have enough free space to"
echo "properly run this test."
exit 1
fi
testname "apply bsdiff patch"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file - $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff || fail
$ADB pull $WORK_DIR/old.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
testname "reapply bsdiff patch"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file - $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff || fail
$ADB pull $WORK_DIR/old.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
# --------------- apply patch in new location ----------------------
$ADB push $DATA_DIR/old.file $WORK_DIR
$ADB push $DATA_DIR/patch.bsdiff $WORK_DIR
# Check that the partition has enough space to apply the patch without
# copying. If it doesn't, we'll be testing the low-space condition
# when we intend to test the not-low-space condition.
testname "apply patch to new location (with enough space)"
free_kb=$(free_space $WORK_FS)
echo "${free_kb}kb free on /$WORK_FS."
if (( free_kb * 1024 < NEW_SIZE * 3 / 2 )); then
echo "Not enough space on /$WORK_FS to patch test file."
echo
echo "This doesn't mean that applypatch is necessarily broken;"
echo "just that /$WORK_FS doesn't have enough free space to"
echo "properly run this test."
exit 1
fi
run_command rm $WORK_DIR/new.file
run_command rm $CACHE_TEMP_SOURCE
testname "apply bsdiff patch to new location"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file $WORK_DIR/new.file $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff || fail
$ADB pull $WORK_DIR/new.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
testname "reapply bsdiff patch to new location"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file $WORK_DIR/new.file $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff || fail
$ADB pull $WORK_DIR/new.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
$ADB push $DATA_DIR/old.file $CACHE_TEMP_SOURCE
# put some junk in the old file
run_command dd if=/dev/urandom of=$WORK_DIR/old.file count=100 bs=1024 || fail
testname "apply bsdiff patch to new location with corrupted source"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file $WORK_DIR/new.file $NEW_SHA1 $NEW_SIZE $OLD_SHA1:$WORK_DIR/patch.bsdiff $BAD1_SHA1:$WORK_DIR/foo || fail
$ADB pull $WORK_DIR/new.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
# put some junk in the cache copy, too
run_command dd if=/dev/urandom of=$CACHE_TEMP_SOURCE count=100 bs=1024 || fail
run_command rm $WORK_DIR/new.file
testname "apply bsdiff patch to new location with corrupted source and copy (no new file)"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file $WORK_DIR/new.file $NEW_SHA1 $NEW_SIZE $OLD_SHA1:$WORK_DIR/patch.bsdiff $BAD1_SHA1:$WORK_DIR/foo && fail
# put some junk in the new file
run_command dd if=/dev/urandom of=$WORK_DIR/new.file count=100 bs=1024 || fail
testname "apply bsdiff patch to new location with corrupted source and copy (bad new file)"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file $WORK_DIR/new.file $NEW_SHA1 $NEW_SIZE $OLD_SHA1:$WORK_DIR/patch.bsdiff $BAD1_SHA1:$WORK_DIR/foo && fail
# --------------- apply patch with low space on /system ----------------------
$ADB push $DATA_DIR/old.file $WORK_DIR
$ADB push $DATA_DIR/patch.bsdiff $WORK_DIR
free_kb=$(free_space $WORK_FS)
echo "${free_kb}kb free on /$WORK_FS; we'll soon fix that."
echo run_command dd if=/dev/zero of=$WORK_DIR/bloat.dat count=$((free_kb-512)) bs=1024 || fail
run_command dd if=/dev/zero of=$WORK_DIR/bloat.dat count=$((free_kb-512)) bs=1024 || fail
free_kb=$(free_space $WORK_FS)
echo "${free_kb}kb free on /$WORK_FS now."
testname "apply bsdiff patch with low space"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file - $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff || fail
$ADB pull $WORK_DIR/old.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
testname "reapply bsdiff patch with low space"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file - $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff || fail
$ADB pull $WORK_DIR/old.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
# --------------- apply patch with low space on /system and /cache ----------------------
$ADB push $DATA_DIR/old.file $WORK_DIR
$ADB push $DATA_DIR/patch.bsdiff $WORK_DIR
free_kb=$(free_space $WORK_FS)
echo "${free_kb}kb free on /$WORK_FS"
run_command mkdir /cache/subdir
run_command 'echo > /cache/subdir/a.file'
run_command 'echo > /cache/a.file'
run_command mkdir /cache/recovery /cache/recovery/otatest
run_command 'echo > /cache/recovery/otatest/b.file'
run_command "echo > $CACHE_TEMP_SOURCE"
free_kb=$(free_space cache)
echo "${free_kb}kb free on /cache; we'll soon fix that."
run_command dd if=/dev/zero of=/cache/bloat_small.dat count=128 bs=1024 || fail
run_command dd if=/dev/zero of=/cache/bloat_large.dat count=$((free_kb-640)) bs=1024 || fail
free_kb=$(free_space cache)
echo "${free_kb}kb free on /cache now."
testname "apply bsdiff patch with low space, full cache, can't delete enough"
$ADB shell 'cat >> /cache/bloat_large.dat' & open_pid=$!
echo "open_pid is $open_pid"
# size check should fail even though it deletes some stuff
run_command $WORK_DIR/applypatch -s $NEW_SIZE && fail
run_command ls /cache/bloat_small.dat && fail # was deleted
run_command ls /cache/a.file && fail # was deleted
run_command ls /cache/recovery/otatest/b.file && fail # was deleted
run_command ls /cache/bloat_large.dat || fail # wasn't deleted because it was open
run_command ls /cache/subdir/a.file || fail # wasn't deleted because it's in a subdir
run_command ls $CACHE_TEMP_SOURCE || fail # wasn't deleted because it's the source file copy
# should fail; not enough files can be deleted
run_command $WORK_DIR/applypatch $WORK_DIR/old.file - $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff && fail
run_command ls /cache/bloat_large.dat || fail # wasn't deleted because it was open
run_command ls /cache/subdir/a.file || fail # wasn't deleted because it's in a subdir
run_command ls $CACHE_TEMP_SOURCE || fail # wasn't deleted because it's the source file copy
kill $open_pid # /cache/bloat_large.dat is no longer open
testname "apply bsdiff patch with low space, full cache, can delete enough"
# should succeed after deleting /cache/bloat_large.dat
run_command $WORK_DIR/applypatch -s $NEW_SIZE || fail
run_command ls /cache/bloat_large.dat && fail # was deleted
run_command ls /cache/subdir/a.file || fail # still wasn't deleted because it's in a subdir
run_command ls $CACHE_TEMP_SOURCE || fail # wasn't deleted because it's the source file copy
# should succeed
run_command $WORK_DIR/applypatch $WORK_DIR/old.file - $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff || fail
$ADB pull $WORK_DIR/old.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
run_command ls /cache/subdir/a.file || fail # still wasn't deleted because it's in a subdir
run_command ls $CACHE_TEMP_SOURCE && fail # was deleted because patching overwrote it, then deleted it
# --------------- apply patch from cache ----------------------
$ADB push $DATA_DIR/old.file $CACHE_TEMP_SOURCE
# put some junk in the old file
run_command dd if=/dev/urandom of=$WORK_DIR/old.file count=100 bs=1024 || fail
testname "apply bsdiff patch from cache (corrupted source) with low space"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file - $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff || fail
$ADB pull $WORK_DIR/old.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
$ADB push $DATA_DIR/old.file $CACHE_TEMP_SOURCE
# remove the old file entirely
run_command rm $WORK_DIR/old.file
testname "apply bsdiff patch from cache (missing source) with low space"
run_command $WORK_DIR/applypatch $WORK_DIR/old.file - $NEW_SHA1 $NEW_SIZE $BAD1_SHA1:$WORK_DIR/foo $OLD_SHA1:$WORK_DIR/patch.bsdiff || fail
$ADB pull $WORK_DIR/old.file $tmpdir/patched
diff -q $DATA_DIR/new.file $tmpdir/patched || fail
# --------------- cleanup ----------------------
cleanup
echo
echo PASS
echo
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