busybox/testsuite/grep.tests

#!/bin/sh

# grep tests.
# Copyright 2005 by Rob Landley <rob@landley.net>
# Licensed under GPL v2, see file LICENSE for details.

# AUDIT:

. testing.sh

# testing "test name" "options" "expected result" "file input" "stdin"
#   file input will be file called "input"
#   test can create a file "actual" instead of writing to stdout

# Test exit status

testing "grep (exit with error)" "grep nonexistent 2> /dev/null ; echo \$?" \
	"1\n" "" ""
testing "grep (exit success)" "grep grep $0 > /dev/null 2>&1 ; echo \$?" "0\n" \
	"" ""
# Test various data sources and destinations

testing "grep (default to stdin)" "grep two" "two\n" "" \
	"one\ntwo\nthree\nthree\nthree\n"
testing "grep - (specify stdin)" "grep two -" "two\n" "" \
	"one\ntwo\nthree\nthree\nthree\n"
testing "grep input (specify file)" "grep two input" "two\n" \
	"one\ntwo\nthree\nthree\nthree\n" ""

testing "grep (no newline at EOL)" "grep bug" "bug" "bug" ""

# Note that this assumes actual is empty.
testing "grep input actual (two files)" "grep two input actual 2> /dev/null" \
	"input:two\n" "one\ntwo\nthree\nthree\nthree\n" ""

testing "grep - infile (specify stdin and file)" "grep two - input" \
	"(standard input):two\ninput:two\n" "one\ntwo\nthree\n" \
	"one\ntwo\ntoo\nthree\nthree\n"

# Check if we see the correct return value if both stdin and non-existing file
# are given.
testing "grep - nofile (specify stdin and nonexisting file)" \
	"grep two - nonexistent 2> /dev/null ; echo \$?" \
	"(standard input):two\n(standard input):two\n2\n" \
	"" "one\ntwo\ntwo\nthree\nthree\nthree\n"
testing "grep -q - nofile (specify stdin and nonexisting file, no match)" \
	"grep -q nomatch - nonexistent 2> /dev/null ; echo \$?" \
	"2\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
# SUSv3: If the -q option is specified, the exit status shall be zero
#        if an input line is selected, even if an error was detected.
testing "grep -q - nofile (specify stdin and nonexisting file, match)" \
	"grep -q two - nonexistent ; echo \$?" \
	"0\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"

# Test various command line options
# -s no error messages
testing "grep -s nofile (nonexisting file, no match)" \
	"grep -s nomatch nonexistent ; echo \$?" "2\n" "" ""
testing "grep -s nofile - (stdin and nonexisting file, match)" \
	"grep -s domatch nonexistent - ; echo \$?" \
	"(standard input):domatch\n2\n" "" "nomatch\ndomatch\nend\n"

# This doesn't match GNU behaviour (Binary file input matches)
# acts like GNU grep -a
testing "grep handles binary files" "grep foo input" "foo\n" "\0foo\n\n" ""
# This doesn't match GNU behaviour (Binary file (standard input) matches)
# acts like GNU grep -a
testing "grep handles binary stdin" "grep foo" "foo\n" "" "\0foo\n\n"

testing "grep matches NUL" "grep . input > /dev/null 2>&1 ; echo \$?" \
	"0\n" "\0\n" ""

# -e regex
testing "grep handles multiple regexps" "grep -e one -e two input ; echo \$?" \
	"one\ntwo\n0\n" "one\ntwo\n" ""

optional FEATURE_GREP_EGREP_ALIAS
testing "grep -E supports extended regexps" "grep -E fo+" "foo\n" "" \
	"b\ar\nfoo\nbaz"
testing "grep is also egrep" "egrep foo" "foo\n" "" "foo\nbar\n"
testing "egrep is not case insensitive" \
	"egrep foo ; [ \$? -ne 0 ] && echo yes" "yes\n" "" "FOO\n"

exit $FAILCOUNT
1	#!/bin/sh
2
3	# grep tests.
4	# Copyright 2005 by Rob Landley <rob@landley.net>
5	# Licensed under GPL v2, see file LICENSE for details.
6
7	# AUDIT:
8
9	. testing.sh
10
11	# testing "test name" "options" "expected result" "file input" "stdin"
12	# file input will be file called "input"
13	# test can create a file "actual" instead of writing to stdout
14
15	# Test exit status
16
17	testing "grep (exit with error)" "grep nonexistent 2> /dev/null ; echo \$?" \
18	"1\n" "" ""
19	testing "grep (exit success)" "grep grep $0 > /dev/null 2>&1 ; echo \$?" "0\n" \
20	"" ""
21	# Test various data sources and destinations
22
23	testing "grep (default to stdin)" "grep two" "two\n" "" \
24	"one\ntwo\nthree\nthree\nthree\n"
25	testing "grep - (specify stdin)" "grep two -" "two\n" "" \
26	"one\ntwo\nthree\nthree\nthree\n"
27	testing "grep input (specify file)" "grep two input" "two\n" \
28	"one\ntwo\nthree\nthree\nthree\n" ""
29
30	testing "grep (no newline at EOL)" "grep bug" "bug" "bug" ""
31
32	# Note that this assumes actual is empty.
33	testing "grep input actual (two files)" "grep two input actual 2> /dev/null" \
34	"input:two\n" "one\ntwo\nthree\nthree\nthree\n" ""
35
36	testing "grep - infile (specify stdin and file)" "grep two - input" \
37	"(standard input):two\ninput:two\n" "one\ntwo\nthree\n" \
38	"one\ntwo\ntoo\nthree\nthree\n"
39
40	# Check if we see the correct return value if both stdin and non-existing file
41	# are given.
42	testing "grep - nofile (specify stdin and nonexisting file)" \
43	"grep two - nonexistent 2> /dev/null ; echo \$?" \
44	"(standard input):two\n(standard input):two\n2\n" \
45	"" "one\ntwo\ntwo\nthree\nthree\nthree\n"
46	testing "grep -q - nofile (specify stdin and nonexisting file, no match)" \
47	"grep -q nomatch - nonexistent 2> /dev/null ; echo \$?" \
48	"2\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
49	# SUSv3: If the -q option is specified, the exit status shall be zero
50	# if an input line is selected, even if an error was detected.
51	testing "grep -q - nofile (specify stdin and nonexisting file, match)" \
52	"grep -q two - nonexistent ; echo \$?" \
53	"0\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
54
55	# Test various command line options
56	# -s no error messages
57	testing "grep -s nofile (nonexisting file, no match)" \
58	"grep -s nomatch nonexistent ; echo \$?" "2\n" "" ""
59	testing "grep -s nofile - (stdin and nonexisting file, match)" \
60	"grep -s domatch nonexistent - ; echo \$?" \
61	"(standard input):domatch\n2\n" "" "nomatch\ndomatch\nend\n"
62
63	# This doesn't match GNU behaviour (Binary file input matches)
64	# acts like GNU grep -a
65	testing "grep handles binary files" "grep foo input" "foo\n" "\0foo\n\n" ""
66	# This doesn't match GNU behaviour (Binary file (standard input) matches)
67	# acts like GNU grep -a
68	testing "grep handles binary stdin" "grep foo" "foo\n" "" "\0foo\n\n"
69
70	testing "grep matches NUL" "grep . input > /dev/null 2>&1 ; echo \$?" \
71	"0\n" "\0\n" ""
72
73	# -e regex
74	testing "grep handles multiple regexps" "grep -e one -e two input ; echo \$?" \
75	"one\ntwo\n0\n" "one\ntwo\n" ""
76
77	optional FEATURE_GREP_EGREP_ALIAS
78	testing "grep -E supports extended regexps" "grep -E fo+" "foo\n" "" \
79	"b\ar\nfoo\nbaz"
80	testing "grep is also egrep" "egrep foo" "foo\n" "" "foo\nbar\n"
81	testing "egrep is not case insensitive" \
82	"egrep foo ; [ \$? -ne 0 ] && echo yes" "yes\n" "" "FOO\n"
83
84	exit $FAILCOUNT