#!/bin/bash

# Test capturing and applying a WIM image in the normal (non-NTFS) capture mode
#
# Add in some tests with WIM splitting, joining, and exporting as well.
#
# Test all three compression modes (None, XPRESS, and LZX).
#
# Also, test if the capture configuration file works correctly.

set -e
srcdir=`pwd`
cd tests

imagex() {
	echo "imagex $@"
	../imagex "$@" > /dev/null
}

imagex_info() {
	echo "imagex info $@"
	../imagex info "$@"
}

init() {
	mkdir in.dir out.dir
}

cleanup() {
	rm -rf in.dir out.dir test*.wim test*.swm
}

error() {
	echo "****************************************************************"
	echo "                         Test failure                           "
	echo $*
	echo "****************************************************************"
	exit 1
}

wim_ctype() {
	../imagex info $1 | grep Compression | awk '{print $2}'
}

do_tree_cmp() {
	if ! ./tree-cmp in.dir out.dir; then
		if [ -x /usr/bin/tree ]; then
			echo "Dumping tree of applied image"
			echo "(Note: compression type was $ctype)"
			tree out.dir --inodes -F -s --noreport
			error 'Information was lost or corrupted while capturing
				and then applying a directory tree'
		fi
	fi
}

image_name=0
do_test() {
	for ctype in None LZX XPRESS; do

		# Can we capture the WIM, apply it, and get the same result?
		cd in.dir
		eval "$1"
		cd ..
		if [ -x /usr/bin/tree -a "$ctype" = "None" ]; then
			tree in.dir --inodes -F -s --noreport
		fi
		if ! imagex capture in.dir test.wim --compress=$ctype; then
			error "Failed to capture directory tree into a WIM"
		fi
		if ! imagex apply test.wim 1 out.dir; then
			error "Failed to apply WIM to directory"
		fi
		if [ `wim_ctype test.wim` != $ctype ]; then
			error "'imagex info' didn't report the compression type on the captured WIM correctly"
		fi
		do_tree_cmp
		rm -rf out.dir/*

		# Can we split the WIM, apply the split WIM, join the split WIM,
		# and apply the joined WIM, and get the same results every time?
		if ! imagex split test.wim test.swm 0.01; then
			error "Failed to split WIM"
		fi
		if ! imagex apply test.swm 1 out.dir --ref "test*.swm" ; then
			error "Failed to apply split WIM"
		fi
		do_tree_cmp
		rm -rf out.dir/* test.wim
		if ! imagex join test.wim test*.swm; then
			error "Failed to join split WIM"
		fi
		if ! imagex apply test.wim out.dir; then
			error "Failed to apply joined WIM"
		fi
		do_tree_cmp
		rm -rf out.dir/*

		# Can we export the image to another WIM, apply it, and get the
		# same results?
		(( image_name++ )) || true
		if ! imagex export test.wim 1 test2.wim "$image_name"; then
			error "Failed to export WIM image"
		fi

		if ! imagex apply test2.wim "$image_name" out.dir; then
			error "Failed to apply exported WIM image"
		fi
		do_tree_cmp

		rm -rf out.dir/* in.dir/* test.wim test*.swm

	done
}

__msg() {
	echo "--------------------------------------------------------------------"
	echo $1
	echo "--------------------------------------------------------------------"
}

msg() {
	__msg "Testing image capture and application of directory containing $1"
}

cleanup
init

. $srcdir/tests/common_tests.sh

# Make sure exclusion list works
__msg "Testing default capture configuration file"
touch in.dir/hiberfil.sys
mkdir -p "in.dir/System Volume Information/subdir"
imagex capture in.dir test.wim
imagex apply test.wim out.dir
if [ -e out.dir/hiberfil.sys -o -e "out.dir/System Volume Information" ]; then
	error "Files were not excluded from capture as expected"
fi
rm -rf out.dir/* in.dir/*

cleanup

echo "**********************************************************"
echo "          imagex capture/apply tests passed               "
echo "**********************************************************"