~sircmpwn/ctools

ref: 16cab053e27d4a7046c005b5becae9b0564d8211 ctools/test/comm -rwxr-xr-x 2.9 KiB
16cab053 — Christopher Vittal Make test scripts POSIX compliant 1 year, 6 months ago
                                                                                
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#!/bin/sh
tool="comm"
. "$HARNESS"

compare_with_ref() (
	ref=$(cat "$TMPDIR"/"$1")
	ref_sum=$(printf '%s' "$ref" | cksum)
	shift
	(
		cd "$TMPDIR"
		actual=$(comm "$@")
		actual_sum=$(printf '%s' "$actual" | cksum)
		if [ "$ref_sum" != "$actual_sum" ]
		then
			printf 'Args: %s\nExpected:\n%s\nActual:\n%s\n' \
				"$*" "$ref" "$actual"
			return 1
		fi
	)
)

cat >"$TMPDIR"/case_a <<EOF
1 same line
2 same line
3 different line A
4 different line A
5 same line
EOF

cat >"$TMPDIR"/case_b <<EOF
1 same line
2 same line
3 different line B
4 different line B
5 same line
EOF

cat >"$TMPDIR"/ref_ab_noflags <<EOF
		1 same line
		2 same line
3 different line A
	3 different line B
4 different line A
	4 different line B
		5 same line
EOF

should_handle_samelength() (
	compare_with_ref ref_ab_noflags case_a case_b
)

cat >"$TMPDIR"/ref_ab_1 <<EOF
	1 same line
	2 same line
3 different line B
4 different line B
	5 same line
EOF

cat >"$TMPDIR"/ref_ab_2 <<EOF
	1 same line
	2 same line
3 different line A
4 different line A
	5 same line
EOF

cat >"$TMPDIR"/ref_ab_3 <<EOF
3 different line A
	3 different line B
4 different line A
	4 different line B
EOF

cat >"$TMPDIR"/ref_ab_12 <<EOF
1 same line
2 same line
5 same line
EOF

cat >"$TMPDIR"/ref_ab_13 <<EOF
3 different line B
4 different line B
EOF

cat >"$TMPDIR"/ref_ab_23 <<EOF
3 different line A
4 different line A
EOF

should_handle_flags() (
	compare_with_ref ref_ab_1 -1 -- case_a case_b || return 1
	compare_with_ref ref_ab_2 -2 case_a case_b || return 1
	compare_with_ref ref_ab_3 -3 -- case_a case_b || return 1
	compare_with_ref ref_ab_12 -12 case_a case_b || return 1
	compare_with_ref ref_ab_13 -13 -- case_a case_b || return 1
	compare_with_ref ref_ab_23 -23 case_a case_b || return 1
)

cat >"$TMPDIR"/case_c <<EOF
1 same line
2 same line
3 different line A
4 different line A
5 same line
6 extra line 1
7 extra line 2
EOF

cat >"$TMPDIR"/case_d <<EOF
1 same line
2 same line
3 different line B
4 different line B
5 same line
EOF

cat >"$TMPDIR"/ref_cd <<EOF
		1 same line
		2 same line
3 different line A
	3 different line B
4 different line A
	4 different line B
		5 same line
6 extra line 1
7 extra line 2
EOF

cat >"$TMPDIR"/ref_cd_reverse <<EOF
		1 same line
		2 same line
	3 different line A
3 different line B
	4 different line A
4 different line B
		5 same line
	6 extra line 1
	7 extra line 2
EOF

should_handle_difflen() (
	compare_with_ref ref_cd case_c case_d || return 1
	compare_with_ref ref_cd_reverse case_d case_c || return 1
)

should_handle_stdin() (
	ref=$(cksum <"$TMPDIR"/ref_ab_noflags)
	actual=$(comm "$TMPDIR"/case_a - <"$TMPDIR"/case_b | cksum)
	[ "$ref" = "$actual" ] || return 1
	ref=$(cksum <"$TMPDIR"/ref_ab_noflags)
	actual=$(comm - "$TMPDIR"/case_b <"$TMPDIR"/case_a | cksum)
	[ "$ref" = "$actual" ] || return 1
)

runtests \
	should_handle_samelength \
	should_handle_flags \
	should_handle_difflen \
	should_handle_stdin