#!/bin/sh # grep tests. # Copyright 2005 by Rob Landley <rob@landley.net> # Licensed under GPL v2, see file LICENSE for details. # AUDIT: [ ${#COMMAND} -eq 0 ] && COMMAND=grep . 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)" "nonexistent 2> /dev/null ; echo \$?" \ "1\n" "" "" testing "grep (exit success)" "grep $0 > /dev/null 2>&1 ; echo \$?" "0\n" \ "" "" # Test various data sources and destinations testing "grep (default to stdin)" "two" "two\n" "" \ "one\ntwo\nthree\nthree\nthree\n" testing "grep - (specify stdin)" "two -" "two\n" "" \ "one\ntwo\nthree\nthree\nthree\n" testing "grep input (specify file)" "two input" "two\n" \ "one\ntwo\nthree\nthree\nthree\n" "" # Note that this assumes actual is empty. testing "grep input actual (two files)" "two input actual 2> /dev/null" \ "input:two\n" "one\ntwo\nthree\nthree\nthree\n" "" testing "grep - infile (specify stdin and file)" "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)" \ "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)" \ "-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)" \ "-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)" \ "-s nomatch nonexistent ; echo \$?" "2\n" "" "" testing "grep -s nofile - (stdin and nonexisting file, match)" \ "-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" "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" "foo" "foo\n" "" "\0foo\n\n" testing "grep matches NUL" ". input > /dev/null 2>&1 ; echo \$?" "0\n" "\0\n" "" # -e regex testing "grep handles multiple regexps" "-e one -e two input ; echo \$?" \ "one\ntwo\n0\n" "one\ntwo\n" "" optional FEATURE_GREP_EGREP_ALIAS testing "grep -E supports extended regexps" "-E fo+" "foo\n" "" "b\ar\nfoo\nbaz" exit $FAILCOUNT