#!/bin/sh
#
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
#
# Copyright 2019 Olaf Wintermann. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#   1. Redistributions of source code must retain the above copyright
#      notice, this list of conditions and the following disclaimer.
#
#   2. Redistributions in binary form must reproduce the above copyright
#      notice, this list of conditions and the following disclaimer in the
#      documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

if [ -z "$DAV_BIN" ];
then
	echo "DAV_BIN variable not set"
	exit 1
fi
if [ -z "$DAV_SYNC_BIN" ];
then
	echo "DAV_BIN variable not set"
	exit 1
fi

# checks if tmp-sync/out.txt contains a specific text
# arg1: pattern
# arg2: errormsg
check_tmpout()
{
	TEST=`cat tmp-sync/out.txt | grep "$1"`
	if [ $? -ne 0 ];
	then
		echo "$2"
		exit 2	
	fi
}

# do dav-sync push and check return value
# arg1: dir
# arg2: errormsg
dav_sync_push()
{
	$DAV_SYNC_BIN push $1 > tmp-sync/out.txt
	if [ $? -ne 0 ];
	then
		echo "$2"
		exit 2
	fi
}
# do dav-sync pull and check return value
# arg1: dir
# arg2: errormsg
dav_sync_pull()
{
	$DAV_SYNC_BIN pull $1 > tmp-sync/out.txt
	if [ $? -ne 0 ];
	then
		echo "$2"
		exit 2
	fi
}

rm -f .dav/dav-sync-tests-test4a-db.xml
rm -f .dav/dav-sync-tests-test4b-db.xml

$DAV_BIN rm dav-test-repo/sync/test4 2> /dev/null

$DAV_BIN mkcol dav-test-repo/sync/test4 2> /dev/null

# tmp sync dir
rm -Rf tmp-sync
mkdir tmp-sync
mkdir tmp-sync/test4a
mkdir tmp-sync/test4b

# ----------------------------------------------------------------------------
# test 1: sync executable file and check if it can be executed
# expected result: exec works

echo "#!/bin/sh"     > tmp-sync/test4a/script.sh
echo "echo itworks" >> tmp-sync/test4a/script.sh

chmod +x tmp-sync/test4a/script.sh

dav_sync_push test4a "test 1: push failed"
check_tmpout "1 file pushed" "test 1: wrong push counter"
check_tmpout "0 conflicts" "test 1: wrong conflict counter (push)"
check_tmpout "0 errors" "test 1: wrong error counter (push)"

dav_sync_pull test4b "test 1: pull failed"
check_tmpout "1 file pulled" "test 1: wrong pull counter"
check_tmpout "0 conflicts" "test 1: wrong conflict counter (pull)"
check_tmpout "0 errors" "test 1: wrong error counter (pull)"

# test if script in test4a works, if not, shell scripts are unsupported
# on this platform
./tmp-sync/test4a/script.sh > /dev/null 2>&1
if [ $? -eq 0 ]; then
	# shell scripts work
	
	# test synced script
	./tmp-sync/test4b/script.sh > /dev/null 2>&1
	if [ $? -ne 0 ]; then
		echo "script not executable"
		exit 2
	fi
	OUT=`./tmp-sync/test4b/script.sh 2> /dev/null`
	if [ $OUT != "itworks" ]; then
		echo "script.sh has wrong output"
		exit 2
	fi
fi

# ----------------------------------------------------------------------------
# test 2: set mtime to specific date and sync the file
# expected result: mtime the same on both sides

mkdir tmp-sync/test4a/dir1

cp synctest/file1 tmp-sync/test4a/
cp synctest/file2 tmp-sync/test4a/dir1/

touch -t 01011200 tmp-sync/test4a/file1
touch -t 02021200 tmp-sync/test4a/dir1/file2

dav_sync_push test4a "test 2: push failed"
check_tmpout "2 files pushed" "test 2: wrong push counter"
check_tmpout "0 conflicts" "test 2: wrong conflict counter (push)"
check_tmpout "0 errors" "test 2: wrong error counter (push)"

dav_sync_pull test4b "test 2: pull failed"
check_tmpout "2 files pulled" "test 2: wrong pull counter"
check_tmpout "0 conflicts" "test 2: wrong conflict counter (pull)"
check_tmpout "0 errors" "test 2: wrong error counter (pull)"

MTIMEA1=`stat -c %Y tmp-sync/test4a/file1`
MTIMEB1=`stat -c %Y tmp-sync/test4b/file1`

MTIMEA2=`stat -c %Y tmp-sync/test4a/dir1/file2`
MTIMEB2=`stat -c %Y tmp-sync/test4b/dir1/file2`

if [ $MTIMEA1 != $MTIMEB1 ]; then
	echo "file1: mtime not synced"
	exit 2
fi
if [ $MTIMEA2 != $MTIMEB2 ]; then
	echo "file2: mtime not synced"
	exit 2
fi

# ----------------------------------------------------------------------------
# test 3: modify file1 and push/pull
# expected result: file content synced, mtime also synced

echo "test3-mod1" >> tmp-sync/test4a/file1

dav_sync_push test4a "test 3: push failed"
check_tmpout "1 file pushed" "test 3: wrong push counter"
check_tmpout "0 conflicts" "test 3: wrong conflict counter (push)"
check_tmpout "0 errors" "test 3: wrong error counter (push)"

dav_sync_pull test4b "test 3: pull failed"
check_tmpout "1 file pulled" "test 3: wrong pull counter"
check_tmpout "0 conflicts" "test 3: wrong conflict counter (pull)"
check_tmpout "0 errors" "test 3: wrong error counter (pull)"

MTIMEA1=`stat -c %Y tmp-sync/test4a/file1`
MTIMEB1=`stat -c %Y tmp-sync/test4b/file1`

if [ $MTIMEA1 != $MTIMEB1 ]; then
	echo "file1: mtime not synced"
	exit 2
fi
