testsuite/grep.tests - busybox - Git at Google

 #!/bin/sh

 # Copyright 2005 by Rob Landley <rob@landley.net>
 # Licensed under GPLv2, see file LICENSE in this source tree.

 # AUDIT:

 . ./testing.sh

 # testing "test name" "commands" "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" ""

 # GNU grep 2.5.3 outputs a new line character after the located string
 # even if there is no new line character in the input
 testing "grep (no newline at EOL)" "grep bug input" "bug\n" "bug" ""

 >empty
 testing "grep two files" "grep two input empty 2>/dev/null" \
 	"input:two\n" "one\ntwo\nthree\nthree\nthree\n" ""
 rm empty

 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"

 optional EXTRA_COMPAT
 testing "grep handles NUL in files" "grep -a foo input" "\0foo\n" "\0foo\n\n" ""
 testing "grep handles NUL on stdin" "grep -a foo" "\0foo\n" "" "\0foo\n\n"

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

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

 # -f file/-
 testing "grep can read regexps from stdin" "grep -f - input ; echo \$?" \
 	"two\nthree\n0\n" "tw\ntwo\nthree\n" "tw.\nthr\n"

 # -x (whole line match)
 testing "grep -x (full match)" "grep -x foo input ; echo \$?" \
 	"foo\n0\n" "foo\n" ""
 testing "grep -x (partial match 1)" "grep -x foo input ; echo \$?" \
 	"1\n" "foo bar\n" ""
 testing "grep -x (partial match 2)" "grep -x foo input ; echo \$?" \
 	"1\n" "bar foo\n" ""
 testing "grep -x -F (full match)" "grep -x -F foo input ; echo \$?" \
 	"foo\n0\n" "foo\n" ""
 testing "grep -x -F (partial match 1)" "grep -x -F foo input ; echo \$?" \
 	"1\n" "foo bar\n" ""
 testing "grep -x -F (partial match 2)" "grep -x -F foo input ; echo \$?" \
 	"1\n" "bar foo\n" ""

 optional EGREP
 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"
 testing "grep -E -o prints all matches" \
 	"grep -E -o '([[:xdigit:]]{2}[:-]){5}[[:xdigit:]]{2}'" \
 	"00:19:3E:00:AA:5E\n00:1D:60:3D:3A:FB\n00:22:43:49:FB:AA\n" \
 	"" "00:19:3E:00:AA:5E 00:1D:60:3D:3A:FB 00:22:43:49:FB:AA\n"
 SKIP=

 testing "grep -o does not loop forever" \
 	'grep -o "[^/]*$"' \
 	"test\n" \
 	"" "/var/test\n"
 testing "grep -o does not loop forever on zero-length match" \
 	'grep -o "" | head -n1' \
 	"" \
 	"" "test\n"

 testing "grep -f EMPTY_FILE" \
 	"grep -f input" \
 	"" \
 	"" \
 	"test\n"

 testing "grep -v -f EMPTY_FILE" \
 	"grep -v -f input" \
 	"test\n" \
 	"" \
 	"test\n"

 testing "grep -vxf EMPTY_FILE" \
 	"grep -vxf input" \
 	"test\n" \
 	"" \
 	"test\n"

 testing "grep -Fw matches only words" \
 	"grep -Fw foo input" \
 	"" \
 	"foop\n" \
 	""

 testing "grep -Fw doesn't stop on 1st mismatch" \
 	"grep -Fw foo input" \
 	"foop foo\n" \
 	"foop foo\n" \
 	""

 testing "grep -w doesn't stop on 1st mismatch" \
 	"grep -w foo input" \
 	"foop foo\n" \
 	"foop foo\n" \
 	""

 testing "grep -w ^str doesn't match str not at the beginning" \
 	"grep -w ^str input" \
 	"" \
 	"strstr\n" \
 	""

 testing "grep -w ^ doesn't hang" \
 	"grep -w ^ input" \
 	"" \
 	"anything\n" \
 	""

 testing "grep -w word doesn't match wordword" \
 	"grep -w word input" \
 	"" \
 	"wordword\n" \
 	""

 testing "grep -F -w w doesn't match ww" \
 	"grep -F -w w input" \
 	"" \
 	"ww\n" \
 	""

 testing "grep -w word match second word" \
 	"grep -w word input" \
 	"bword,word\n""wordb,word\n""bwordb,word\n" \
 	"bword,word\n""wordb,word\n""bwordb,word\n" \
 	""


 testing "grep -x -v -e EXP1 -e EXP2 finds nothing if either EXP matches" \
 	"grep -x -v -e '.*aa.*' -e 'bb.*'; echo \$?" \
 	"1\n" \
 	"" \
 	"  aa bb cc\n"

 testing "grep PATTERN can be a newline-delimited list" \
 	'grep -Fv "$(printf "foo\nbar\n")"' \
 	"baz\n" \
 	"" \
 	"foo\nbar\nbaz\n"

 testing "grep -e PATTERN can be a newline-delimited list" \
 	'grep -Fv -e "$(printf "foo\nbar\n")"' \
 	"baz\n" \
 	"" \
 	"foo\nbar\nbaz\n"

 # -r on symlink to dir should recurse into dir
 mkdir -p grep.testdir/foo
 echo bar > grep.testdir/foo/file
 ln -s foo grep.testdir/symfoo
 testing "grep -r on symlink to dir" \
 	"grep -r . grep.testdir/symfoo" \
 	"grep.testdir/symfoo/file:bar\n" \
 	"" ""
 rm -Rf grep.testdir

 # But -r on dir/symlink_to_dir should not recurse into symlink_to_dir
 mkdir -p grep.testdir/foo
 echo bar > grep.testdir/foo/file
 ln -s foo grep.testdir/symfoo
 testing "grep -r on dir/symlink to dir" \
 	"grep -r . grep.testdir" \
 	"grep.testdir/foo/file:bar\n" \
 	"" ""
 rm -Rf grep.testdir

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

 exit $FAILCOUNT
	#!/bin/sh

	# Copyright 2005 by Rob Landley <rob@landley.net>
	# Licensed under GPLv2, see file LICENSE in this source tree.

	# AUDIT:

	. ./testing.sh

	# testing "test name" "commands" "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" ""

	# GNU grep 2.5.3 outputs a new line character after the located string
	# even if there is no new line character in the input
	testing "grep (no newline at EOL)" "grep bug input" "bug\n" "bug" ""

	>empty
	testing "grep two files" "grep two input empty 2>/dev/null" \
	"input:two\n" "one\ntwo\nthree\nthree\nthree\n" ""
	rm empty

	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"

	optional EXTRA_COMPAT
	testing "grep handles NUL in files" "grep -a foo input" "\0foo\n" "\0foo\n\n" ""
	testing "grep handles NUL on stdin" "grep -a foo" "\0foo\n" "" "\0foo\n\n"

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

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

	# -f file/-
	testing "grep can read regexps from stdin" "grep -f - input ; echo \$?" \
	"two\nthree\n0\n" "tw\ntwo\nthree\n" "tw.\nthr\n"

	# -x (whole line match)
	testing "grep -x (full match)" "grep -x foo input ; echo \$?" \
	"foo\n0\n" "foo\n" ""
	testing "grep -x (partial match 1)" "grep -x foo input ; echo \$?" \
	"1\n" "foo bar\n" ""
	testing "grep -x (partial match 2)" "grep -x foo input ; echo \$?" \
	"1\n" "bar foo\n" ""
	testing "grep -x -F (full match)" "grep -x -F foo input ; echo \$?" \
	"foo\n0\n" "foo\n" ""
	testing "grep -x -F (partial match 1)" "grep -x -F foo input ; echo \$?" \
	"1\n" "foo bar\n" ""
	testing "grep -x -F (partial match 2)" "grep -x -F foo input ; echo \$?" \
	"1\n" "bar foo\n" ""

	optional EGREP
	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"
	testing "grep -E -o prints all matches" \
	"grep -E -o '([[:xdigit:]]{2}[:-]){5}[[:xdigit:]]{2}'" \
	"00:19:3E:00:AA:5E\n00:1D:60:3D:3A:FB\n00:22:43:49:FB:AA\n" \
	"" "00:19:3E:00:AA:5E 00:1D:60:3D:3A:FB 00:22:43:49:FB:AA\n"
	SKIP=

	testing "grep -o does not loop forever" \
	'grep -o "[^/]*$"' \
	"test\n" \
	"" "/var/test\n"
	testing "grep -o does not loop forever on zero-length match" \
	'grep -o "" \| head -n1' \
	"" \
	"" "test\n"

	testing "grep -f EMPTY_FILE" \
	"grep -f input" \
	"" \
	"" \
	"test\n"

	testing "grep -v -f EMPTY_FILE" \
	"grep -v -f input" \
	"test\n" \
	"" \
	"test\n"

	testing "grep -vxf EMPTY_FILE" \
	"grep -vxf input" \
	"test\n" \
	"" \
	"test\n"

	testing "grep -Fw matches only words" \
	"grep -Fw foo input" \
	"" \
	"foop\n" \
	""

	testing "grep -Fw doesn't stop on 1st mismatch" \
	"grep -Fw foo input" \
	"foop foo\n" \
	"foop foo\n" \
	""

	testing "grep -w doesn't stop on 1st mismatch" \
	"grep -w foo input" \
	"foop foo\n" \
	"foop foo\n" \
	""

	testing "grep -w ^str doesn't match str not at the beginning" \
	"grep -w ^str input" \
	"" \
	"strstr\n" \
	""

	testing "grep -w ^ doesn't hang" \
	"grep -w ^ input" \
	"" \
	"anything\n" \
	""

	testing "grep -w word doesn't match wordword" \
	"grep -w word input" \
	"" \
	"wordword\n" \
	""

	testing "grep -F -w w doesn't match ww" \
	"grep -F -w w input" \
	"" \
	"ww\n" \
	""

	testing "grep -w word match second word" \
	"grep -w word input" \
	"bword,word\n""wordb,word\n""bwordb,word\n" \
	"bword,word\n""wordb,word\n""bwordb,word\n" \
	""


	testing "grep -x -v -e EXP1 -e EXP2 finds nothing if either EXP matches" \
	"grep -x -v -e '.aa.' -e 'bb.*'; echo \$?" \
	"1\n" \
	"" \
	" aa bb cc\n"

	testing "grep PATTERN can be a newline-delimited list" \
	'grep -Fv "$(printf "foo\nbar\n")"' \
	"baz\n" \
	"" \
	"foo\nbar\nbaz\n"

	testing "grep -e PATTERN can be a newline-delimited list" \
	'grep -Fv -e "$(printf "foo\nbar\n")"' \
	"baz\n" \
	"" \
	"foo\nbar\nbaz\n"

	# -r on symlink to dir should recurse into dir
	mkdir -p grep.testdir/foo
	echo bar > grep.testdir/foo/file
	ln -s foo grep.testdir/symfoo
	testing "grep -r on symlink to dir" \
	"grep -r . grep.testdir/symfoo" \
	"grep.testdir/symfoo/file:bar\n" \
	"" ""
	rm -Rf grep.testdir

	# But -r on dir/symlink_to_dir should not recurse into symlink_to_dir
	mkdir -p grep.testdir/foo
	echo bar > grep.testdir/foo/file
	ln -s foo grep.testdir/symfoo
	testing "grep -r on dir/symlink to dir" \
	"grep -r . grep.testdir" \
	"grep.testdir/foo/file:bar\n" \
	"" ""
	rm -Rf grep.testdir

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

	exit $FAILCOUNT