1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
#!/bin/sh
# tests mktar and tarcat
# move to temp directory
cd test
test_compression() {
#set internal variables based on selected compression
case "$1" in
NONE)
arg_compression="none"
fn_compressed="archive.tar"
;;
GZIP)
arg_compression="gzip"
fn_compressed="archive.tar.gz"
;;
XZ)
arg_compression="xz"
fn_compressed="archive.tar.xz"
;;
ZSTD)
arg_compression="zstd"
fn_compressed="archive.tar.zst"
;;
BZIP2)
arg_compression="bzip2"
fn_compressed="archive.tar.bz2"
;;
*)
printf "Failure in compression tests: not a valid scheme: '%s'\n" "$1"
exit 1
;;
esac
# try basic compression
../mktar compression_target.txt --compress="$arg_compression"
../tarcat "$fn_compressed" > compression_result.txt
if ! cmp compression_result.txt compression_target.txt >/dev/null 2>&1; then
printf "Failure in compression tests: basic compression: '%s'\n" "$1"
exit 1
fi
# clean up
rm -f compression_result.txt "$fn_compressed"
# try implicit compression
../mktar compression_target.txt -n "$fn_compressed"
../tarcat "$fn_compressed" > compression_result.txt
if ! cmp compression_result.txt compression_target.txt >/dev/null 2>&1; then
printf "Failure in compression tests: implicit compression: '%s'\n" "$1"
exit 1
fi
# clean up
rm -f compression_result.txt "$fn_compressed"
}
test_compression NONE
test_compression GZIP
test_compression XZ
test_compression ZSTD
test_compression BZIP2