busybox/testsuite/grep.tests
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   1#!/bin/sh
   2
   3# Copyright 2005 by Rob Landley <rob@landley.net>
   4# Licensed under GPLv2, see file LICENSE in this source tree.
   5
   6# AUDIT:
   7
   8. ./testing.sh
   9
  10# testing "test name" "commands" "expected result" "file input" "stdin"
  11#   file input will be file called "input"
  12#   test can create a file "actual" instead of writing to stdout
  13
  14# Test exit status
  15
  16testing "grep (exit with error)" "grep nonexistent 2> /dev/null ; echo \$?" \
  17        "1\n" "" ""
  18testing "grep (exit success)" "grep grep '$0' > /dev/null 2>&1 ; echo \$?" "0\n" \
  19        "" ""
  20# Test various data sources and destinations
  21
  22testing "grep (default to stdin)" "grep two" "two\n" "" \
  23        "one\ntwo\nthree\nthree\nthree\n"
  24testing "grep - (specify stdin)" "grep two -" "two\n" "" \
  25        "one\ntwo\nthree\nthree\nthree\n"
  26testing "grep input (specify file)" "grep two input" "two\n" \
  27        "one\ntwo\nthree\nthree\nthree\n" ""
  28
  29# GNU grep 2.5.3 outputs a new line character after the located string
  30# even if there is no new line character in the input
  31testing "grep (no newline at EOL)" "grep bug input" "bug\n" "bug" ""
  32
  33>empty
  34testing "grep two files" "grep two input empty 2>/dev/null" \
  35        "input:two\n" "one\ntwo\nthree\nthree\nthree\n" ""
  36rm empty
  37
  38testing "grep - infile (specify stdin and file)" "grep two - input" \
  39        "(standard input):two\ninput:two\n" "one\ntwo\nthree\n" \
  40        "one\ntwo\ntoo\nthree\nthree\n"
  41
  42# Check if we see the correct return value if both stdin and non-existing file
  43# are given.
  44testing "grep - nofile (specify stdin and nonexisting file)" \
  45        "grep two - nonexistent 2> /dev/null ; echo \$?" \
  46        "(standard input):two\n(standard input):two\n2\n" \
  47        "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
  48testing "grep -q - nofile (specify stdin and nonexisting file, no match)" \
  49        "grep -q nomatch - nonexistent 2> /dev/null ; echo \$?" \
  50        "2\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
  51# SUSv3: If the -q option is specified, the exit status shall be zero
  52#        if an input line is selected, even if an error was detected.
  53testing "grep -q - nofile (specify stdin and nonexisting file, match)" \
  54        "grep -q two - nonexistent ; echo \$?" \
  55        "0\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
  56
  57# Test various command line options
  58# -s no error messages
  59testing "grep -s nofile (nonexisting file, no match)" \
  60        "grep -s nomatch nonexistent ; echo \$?" "2\n" "" ""
  61testing "grep -s nofile - (stdin and nonexisting file, match)" \
  62        "grep -s domatch nonexistent - ; echo \$?" \
  63        "(standard input):domatch\n2\n" "" "nomatch\ndomatch\nend\n"
  64
  65optional EXTRA_COMPAT
  66testing "grep handles NUL in files" "grep -a foo input" "\0foo\n" "\0foo\n\n" ""
  67testing "grep handles NUL on stdin" "grep -a foo" "\0foo\n" "" "\0foo\n\n"
  68
  69testing "grep matches NUL" "grep . input > /dev/null 2>&1 ; echo \$?" \
  70        "0\n" "\0\n" ""
  71SKIP=
  72
  73# -e regex
  74testing "grep handles multiple regexps" "grep -e one -e two input ; echo \$?" \
  75        "one\ntwo\n0\n" "one\ntwo\n" ""
  76testing "grep -F handles multiple expessions" "grep -F -e one -e two input ; echo \$?" \
  77        "one\ntwo\n0\n" "one\ntwo\n" ""
  78testing "grep -F handles -i" "grep -F -i foo input ; echo \$?" \
  79        "FOO\n0\n" "FOO\n" ""
  80
  81# -f file/-
  82testing "grep can read regexps from stdin" "grep -f - input ; echo \$?" \
  83        "two\nthree\n0\n" "tw\ntwo\nthree\n" "tw.\nthr\n"
  84
  85# -x (whole line match)
  86testing "grep -x (full match)" "grep -x foo input ; echo \$?" \
  87        "foo\n0\n" "foo\n" ""
  88testing "grep -x (partial match 1)" "grep -x foo input ; echo \$?" \
  89        "1\n" "foo bar\n" ""
  90testing "grep -x (partial match 2)" "grep -x foo input ; echo \$?" \
  91        "1\n" "bar foo\n" ""
  92testing "grep -x -F (full match)" "grep -x -F foo input ; echo \$?" \
  93        "foo\n0\n" "foo\n" ""
  94testing "grep -x -F (partial match 1)" "grep -x -F foo input ; echo \$?" \
  95        "1\n" "foo bar\n" ""
  96testing "grep -x -F (partial match 2)" "grep -x -F foo input ; echo \$?" \
  97        "1\n" "bar foo\n" ""
  98
  99optional EGREP
 100testing "grep -E supports extended regexps" "grep -E fo+" "foo\n" "" \
 101        "b\ar\nfoo\nbaz"
 102testing "grep is also egrep" "egrep foo" "foo\n" "" "foo\nbar\n"
 103testing "egrep is not case insensitive" \
 104        "egrep foo ; [ \$? -ne 0 ] && echo yes" "yes\n" "" "FOO\n"
 105testing "grep -E -o prints all matches" \
 106        "grep -E -o '([[:xdigit:]]{2}[:-]){5}[[:xdigit:]]{2}'" \
 107        "00:19:3E:00:AA:5E\n00:1D:60:3D:3A:FB\n00:22:43:49:FB:AA\n" \
 108        "" "00:19:3E:00:AA:5E 00:1D:60:3D:3A:FB 00:22:43:49:FB:AA\n"
 109SKIP=
 110
 111testing "grep -o does not loop forever" \
 112        'grep -o "[^/]*$"' \
 113        "test\n" \
 114        "" "/var/test\n"
 115testing "grep -o does not loop forever on zero-length match" \
 116        'grep -o "" | head -n1' \
 117        "" \
 118        "" "test\n"
 119
 120testing "grep -f EMPTY_FILE" \
 121        "grep -f input" \
 122        "" \
 123        "" \
 124        "test\n"
 125
 126testing "grep -v -f EMPTY_FILE" \
 127        "grep -v -f input" \
 128        "test\n" \
 129        "" \
 130        "test\n"
 131
 132testing "grep -Fw matches only words" \
 133        "grep -Fw foo input" \
 134        "" \
 135        "foop\n" \
 136        ""
 137
 138testing "grep -Fw doesn't stop on 1st mismatch" \
 139        "grep -Fw foo input" \
 140        "foop foo\n" \
 141        "foop foo\n" \
 142        ""
 143
 144testing "grep -w doesn't stop on 1st mismatch" \
 145        "grep -w foo input" \
 146        "foop foo\n" \
 147        "foop foo\n" \
 148        ""
 149
 150testing "grep -w ^str doesn't match str not at the beginning" \
 151        "grep -w ^str input" \
 152        "" \
 153        "strstr\n" \
 154        ""
 155
 156testing "grep -w ^ doesn't hang" \
 157        "grep -w ^ input" \
 158        "" \
 159        "anything\n" \
 160        ""
 161
 162testing "grep -w word doesn't match wordword" \
 163        "grep -w word input" \
 164        "" \
 165        "wordword\n" \
 166        ""
 167
 168testing "grep -F -w w doesn't match ww" \
 169        "grep -F -w w input" \
 170        "" \
 171        "ww\n" \
 172        ""
 173
 174testing "grep -w word match second word" \
 175        "grep -w word input" \
 176        "bword,word\n""wordb,word\n""bwordb,word\n" \
 177        "bword,word\n""wordb,word\n""bwordb,word\n" \
 178        ""
 179
 180
 181testing "grep -x -v -e EXP1 -e EXP2 finds nothing if either EXP matches" \
 182        "grep -x -v -e '.*aa.*' -e 'bb.*'; echo \$?" \
 183        "1\n" \
 184        "" \
 185        "  aa bb cc\n"
 186
 187# -r on symlink to dir should recurse into dir
 188mkdir -p grep.testdir/foo
 189echo bar > grep.testdir/foo/file
 190ln -s foo grep.testdir/symfoo
 191testing "grep -r on symlink to dir" \
 192        "grep -r . grep.testdir/symfoo" \
 193        "grep.testdir/symfoo/file:bar\n" \
 194        "" ""
 195rm -Rf grep.testdir
 196
 197# But -r on dir/symlink_to_dir should not recurse into symlink_to_dir
 198mkdir -p grep.testdir/foo
 199echo bar > grep.testdir/foo/file
 200ln -s foo grep.testdir/symfoo
 201testing "grep -r on dir/symlink to dir" \
 202        "grep -r . grep.testdir" \
 203        "grep.testdir/foo/file:bar\n" \
 204        "" ""
 205rm -Rf grep.testdir
 206
 207# testing "test name" "commands" "expected result" "file input" "stdin"
 208#   file input will be file called "input"
 209#   test can create a file "actual" instead of writing to stdout
 210
 211exit $FAILCOUNT
 212