1 # Library of functions shared by all tests scripts, included by
4 # Copyright (c) 2005 Junio C Hamano
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see http://www.gnu.org/licenses/ .
19 # The semantics of the editor variables are that of invoking
20 # sh -c "$EDITOR \"$@\"" files ...
22 # If our trash directory contains shell metacharacters, they will be
23 # interpreted if we just set $EDITOR directly, so do a little dance with
24 # environment variables to work around this.
26 # In particular, quoting isn't enough, as the path may contain the same quote
31 EDITOR='"$FAKE_EDITOR"'
35 test_set_index_version () {
36 GIT_INDEX_VERSION="$1"
37 export GIT_INDEX_VERSION
40 test_decode_color () {
43 if (n == 0) return "RESET";
44 if (n == 1) return "BOLD";
45 if (n == 2) return "FAINT";
46 if (n == 3) return "ITALIC";
47 if (n == 7) return "REVERSE";
48 if (n == 30) return "BLACK";
49 if (n == 31) return "RED";
50 if (n == 32) return "GREEN";
51 if (n == 33) return "YELLOW";
52 if (n == 34) return "BLUE";
53 if (n == 35) return "MAGENTA";
54 if (n == 36) return "CYAN";
55 if (n == 37) return "WHITE";
56 if (n == 40) return "BLACK";
57 if (n == 41) return "BRED";
58 if (n == 42) return "BGREEN";
59 if (n == 43) return "BYELLOW";
60 if (n == 44) return "BBLUE";
61 if (n == 45) return "BMAGENTA";
62 if (n == 46) return "BCYAN";
63 if (n == 47) return "BWHITE";
66 while (match($0, /\033\[[0-9;]*m/) != 0) {
67 printf "%s<", substr($0, 1, RSTART-1);
68 codes = substr($0, RSTART+2, RLENGTH-3);
69 if (length(codes) == 0)
72 n = split(codes, ary, ";");
74 for (i = 1; i <= n; i++) {
75 printf "%s%s", sep, name(ary[i]);
80 $0 = substr($0, RSTART + RLENGTH, length($0) - RSTART - RLENGTH + 1);
88 perl -pe 'y/\012/\000/'
112 sed -e 's/$/Q/' | tr Q '\015'
116 tr '\015' Q | sed -e 's/Q$//'
119 # Generate an output of $1 bytes of all zeroes (NULs, not ASCII zeroes).
120 # If $1 is 'infinity', output forever or until the receiving pipe stops reading,
121 # whichever comes first.
122 generate_zero_bytes () {
123 test-tool genzeros "$@"
126 # In some bourne shell implementations, the "unset" builtin returns
127 # nonzero status when a variable to be unset was not set in the first
130 # Use sane_unset when that should not be considered an error.
138 if test -z "${test_tick+set}"
142 test_tick=$(($test_tick + 60))
144 GIT_COMMITTER_DATE="$test_tick -0700"
145 GIT_AUTHOR_DATE="$test_tick -0700"
146 export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
149 # Stop execution and start a shell. This is useful for debugging tests.
151 # Be sure to remove all invocations of this command before submitting.
154 "$SHELL_PATH" <&6 >&5 2>&7
157 # Wrap git with a debugger. Adding this to a command can make it easier
158 # to understand what is going on in a failing test.
161 # debug git checkout master
162 # debug --debugger=nemiver git $ARGS
163 # debug -d "valgrind --tool=memcheck --track-origins=yes" git $ARGS
171 GIT_DEBUGGER="${1#*=}" &&
178 GIT_DEBUGGER="${GIT_DEBUGGER}" "$@" <&6 >&5 2>&7
181 # Call test_commit with the arguments
182 # [-C <directory>] <message> [<file> [<contents> [<tag>]]]"
184 # This will commit a file with the given contents and the given commit
185 # message, and tag the resulting commit with the given tag name.
187 # <file>, <contents>, and <tag> all default to <message>.
189 # If the first argument is "-C", the second argument is used as a path for
190 # the git invocations.
207 GIT_COMMITTER_DATE="$2"
221 indir=${indir:+"$indir"/} &&
223 echo "${3-$1}" > "$indir$file" &&
224 git ${indir:+ -C "$indir"} add "$file" &&
229 git ${indir:+ -C "$indir"} commit $signoff -m "$1" &&
230 git ${indir:+ -C "$indir"} tag "${4:-$1}"
233 # Call test_merge with the arguments "<message> <commit>", where <commit>
234 # can be a tag pointing to the commit-to-merge.
240 git merge -m "$label" "$@" &&
244 # Efficiently create <nr> commits, each with a unique number (from 1 to <nr>
245 # by default) in the commit message.
247 # Usage: test_commit_bulk [options] <nr>
249 # Run all git commands in directory <dir>
251 # ref on which to create commits (default: HEAD)
253 # number commit messages from <n> (default: 1)
255 # use <msg> as the commit mesasge (default: "commit %s")
257 # modify <fn> in each commit (default: %s.t)
258 # --contents=<string>:
259 # place <string> in each file (default: "content %s")
261 # shorthand to use <string> and %s in message, filename, and contents
263 # The message, filename, and contents strings are evaluated by printf, with the
264 # first "%s" replaced by the current commit number. So you can do:
266 # test_commit_bulk --filename=file --contents="modification %s"
268 # to have every commit touch the same file, but with unique content.
270 test_commit_bulk () {
271 tmpfile=.bulk-commit.input
277 contents='content %s'
301 message="${1#--*=} %s"
302 filename="${1#--*=}-%s.t"
303 contents="${1#--*=} %s"
306 BUG "invalid test_commit_bulk option: $1"
317 if git -C "$indir" rev-parse --quiet --verify "$ref"
322 while test "$total" -gt 0
326 printf 'author %s <%s> %s\n' \
328 "$GIT_AUTHOR_EMAIL" \
330 printf 'committer %s <%s> %s\n' \
331 "$GIT_COMMITTER_NAME" \
332 "$GIT_COMMITTER_EMAIL" \
333 "$GIT_COMMITTER_DATE"
335 printf "$message\n" $n
337 if test -n "$add_from"
342 printf "M 644 inline $filename\n" $n
344 printf "$contents\n" $n
352 -c fastimport.unpacklimit=0 \
353 fast-import <"$tmpfile" || return 1
355 # This will be left in place on failure, which may aid debugging.
358 # If we updated HEAD, then be nice and update the index and working
360 if test "$ref" = "HEAD"
362 git -C "$indir" checkout -f HEAD || return 1
367 # This function helps systems where core.filemode=false is set.
368 # Use it instead of plain 'chmod +x' to set or unset the executable bit
369 # of a file in the working directory and add it to the index.
373 git update-index --add "--chmod=$@"
376 # Get the modebits from a file or directory.
378 ls -ld "$1" | sed -e 's|^\(..........\).*|\1|'
381 # Unset a configuration variable, but don't fail if it doesn't exist.
390 git ${config_dir:+-C "$config_dir"} config --unset-all "$@"
392 case "$config_status" in
393 5) # ok, nothing to unset
397 return $config_status
400 # Set git config, automatically unsetting it after the test is over.
409 test_when_finished "test_unconfig ${config_dir:+-C '$config_dir'} '$1'" &&
410 git ${config_dir:+-C "$config_dir"} config "$@"
413 test_config_global () {
414 test_when_finished "test_unconfig --global '$1'" &&
415 git config --global "$@"
420 echo "#!${2-"$SHELL_PATH"}" &&
426 # Use test_set_prereq to tell that a particular prerequisite is available.
427 # The prerequisite can later be checked for in two ways:
429 # - Explicitly using test_have_prereq.
431 # - Implicitly by specifying the prerequisite tag in the calls to
432 # test_expect_{success,failure} and test_external{,_without_stderr}.
434 # The single parameter is the prerequisite tag (a simple word, in all
435 # capital letters by convention).
437 test_unset_prereq () {
438 ! test_have_prereq "$1" ||
439 satisfied_prereq="${satisfied_prereq% $1 *} ${satisfied_prereq#* $1 }"
443 if test -n "$GIT_TEST_FAIL_PREREQS_INTERNAL"
446 # The "!" case is handled below with
447 # test_unset_prereq()
450 # (Temporary?) whitelist of things we can't easily
451 # pretend not to support
454 # Inspecting whether GIT_TEST_FAIL_PREREQS is on
455 # should be unaffected.
465 test_unset_prereq "${1#!}"
468 satisfied_prereq="$satisfied_prereq$1 "
473 lazily_testable_prereq= lazily_tested_prereq=
475 # Usage: test_lazy_prereq PREREQ 'script'
476 test_lazy_prereq () {
477 lazily_testable_prereq="$lazily_testable_prereq$1 "
478 eval test_prereq_lazily_$1=\$2
481 test_run_lazy_prereq_ () {
483 mkdir -p "$TRASH_DIRECTORY/prereq-test-dir-'"$1"'" &&
485 cd "$TRASH_DIRECTORY/prereq-test-dir-'"$1"'" &&'"$2"'
487 say >&3 "checking prerequisite: $1"
491 rm -rf "$TRASH_DIRECTORY/prereq-test-dir-$1"
492 if test "$eval_ret" = 0; then
493 say >&3 "prerequisite $1 ok"
495 say >&3 "prerequisite $1 not satisfied"
500 test_have_prereq () {
501 # prerequisites can be concatenated with ','
513 case "$prerequisite" in
516 prerequisite=${prerequisite#!}
522 case " $lazily_tested_prereq " in
526 case " $lazily_testable_prereq " in
528 eval "script=\$test_prereq_lazily_$prerequisite" &&
529 if test_run_lazy_prereq_ "$prerequisite" "$script"
531 test_set_prereq $prerequisite
533 lazily_tested_prereq="$lazily_tested_prereq$prerequisite "
538 total_prereq=$(($total_prereq + 1))
539 case "$satisfied_prereq" in
541 satisfied_this_prereq=t
544 satisfied_this_prereq=
547 case "$satisfied_this_prereq,$negative_prereq" in
549 ok_prereq=$(($ok_prereq + 1))
552 # Keep a list of missing prerequisites; restore
553 # the negative marker if necessary.
554 prerequisite=${negative_prereq:+!}$prerequisite
555 if test -z "$missing_prereq"
557 missing_prereq=$prerequisite
559 missing_prereq="$prerequisite,$missing_prereq"
564 test $total_prereq = $ok_prereq
567 test_declared_prereq () {
568 case ",$test_prereq," in
576 test_verify_prereq () {
577 test -z "$test_prereq" ||
578 expr >/dev/null "$test_prereq" : '[A-Z0-9_,!]*$' ||
579 BUG "'$test_prereq' does not look like a prereq"
582 test_expect_failure () {
584 test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
586 BUG "not 2 or 3 parameters to test-expect-failure"
591 say >&3 "checking known breakage of $TEST_NUMBER.$test_count '$1': $2"
592 if test_run_ "$2" expecting_failure
594 test_known_broken_ok_ "$1"
596 test_known_broken_failure_ "$1"
602 test_expect_success () {
604 test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
606 BUG "not 2 or 3 parameters to test-expect-success"
611 say >&3 "expecting success of $TEST_NUMBER.$test_count '$1': $2"
622 # test_external runs external test scripts that provide continuous
623 # test output about their progress, and succeeds/fails on
624 # zero/non-zero exit code. It outputs the test output on stdout even
625 # in non-verbose mode, and announces the external script with "# run
626 # <n>: ..." before running it. When providing relative paths, keep in
627 # mind that all scripts run in "trash directory".
628 # Usage: test_external description command arguments...
629 # Example: test_external 'Perl API' perl ../path/to/test.pl
631 test "$#" = 4 && { test_prereq=$1; shift; } || test_prereq=
633 BUG "not 3 or 4 parameters to test_external"
638 if ! test_skip "$descr" "$@"
640 # Announce the script to reduce confusion about the
641 # test output that follows.
642 say_color "" "# run $test_count: $descr ($*)"
643 # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
644 # to be able to use them in script
645 export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
646 # Run command; redirect its stderr to &4 as in
647 # test_run_, but keep its stdout on our stdout even in
652 if test $test_external_has_tap -eq 0; then
655 say_color "" "# test_external test $descr was ok"
656 test_success=$(($test_success + 1))
659 if test $test_external_has_tap -eq 0; then
660 test_failure_ "$descr" "$@"
662 say_color error "# test_external test $descr failed: $@"
663 test_failure=$(($test_failure + 1))
669 # Like test_external, but in addition tests that the command generated
670 # no output on stderr.
671 test_external_without_stderr () {
672 # The temporary file has no (and must have no) security
675 stderr="$tmp/git-external-stderr.$$.tmp"
676 test_external "$@" 4> "$stderr"
677 test -f "$stderr" || error "Internal error: $stderr disappeared."
678 descr="no stderr: $1"
680 say >&3 "# expecting no stderr from previous command"
681 if test ! -s "$stderr"
685 if test $test_external_has_tap -eq 0; then
688 say_color "" "# test_external_without_stderr test $descr was ok"
689 test_success=$(($test_success + 1))
692 if test "$verbose" = t
694 output=$(echo; echo "# Stderr is:"; cat "$stderr")
698 # rm first in case test_failure exits.
700 if test $test_external_has_tap -eq 0; then
701 test_failure_ "$descr" "$@" "$output"
703 say_color error "# test_external_without_stderr test $descr failed: $@: $output"
704 test_failure=$(($test_failure + 1))
709 # debugging-friendly alternatives to "test [-f|-d|-e]"
710 # The commands test the existence or non-existence of $1. $2 can be
711 # given to provide a more precise diagnosis.
712 test_path_is_file () {
715 echo "File $1 doesn't exist. $2"
720 test_path_is_dir () {
723 echo "Directory $1 doesn't exist. $2"
728 test_path_exists () {
731 echo "Path $1 doesn't exist. $2"
736 # Check if the directory exists and is empty as expected, barf otherwise.
737 test_dir_is_empty () {
738 test_path_is_dir "$1" &&
739 if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')"
741 echo "Directory '$1' is not empty, it contains:"
747 # Check if the file exists and has a size greater than zero
748 test_file_not_empty () {
751 echo "'$1' is not a non-empty file."
756 test_path_is_missing () {
769 # test_line_count checks that a file has the number of lines it
770 # ought to. For example:
772 # test_expect_success 'produce exactly one line of output' '
773 # do something >output &&
774 # test_line_count = 1 output
777 # is like "test $(wc -l <output) = 1" except that it passes the
778 # output through when the number of lines is wrong.
783 BUG "not 3 parameters to test_line_count"
784 elif ! test $(wc -l <"$3") "$1" "$2"
786 echo "test_line_count: line count for $3 !$1 $2"
793 test-tool path-utils file-size "$1"
796 # Returns success if a comma separated string of keywords ($1) contains a
797 # given keyword ($2).
799 # `list_contains "foo,bar" bar` returns 0
800 # `list_contains "foo" bar` returns 1
811 # Returns success if the arguments indicate that a command should be
812 # accepted by test_must_fail(). If the command is run with env, the env
813 # and its corresponding variable settings will be stripped before we
814 # test the command being run.
815 test_must_fail_acceptable () {
833 git|__git*|test-tool|test_terminal)
842 # This is not among top-level (test_expect_success | test_expect_failure)
843 # but is a prefix that can be used in the test script, like:
845 # test_expect_success 'complain and die' '
847 # do something else &&
848 # test_must_fail git checkout ../outerspace
851 # Writing this as "! git checkout ../outerspace" is wrong, because
852 # the failure could be due to a segv. We want a controlled failure.
854 # Accepts the following options:
856 # ok=<signal-name>[,<...>]:
857 # Don't treat an exit caused by the given signal as error.
858 # Multiple signals can be specified as a comma separated list.
859 # Currently recognized signal names are: sigpipe, success.
860 # (Don't use 'success', use 'test_might_fail' instead.)
862 # Do not use this to run anything but "git" and other specific testable
863 # commands (see test_must_fail_acceptable()). We are not in the
864 # business of vetting system supplied commands -- in other words, this
867 # test_must_fail grep pattern output
871 # ! grep pattern output
883 if ! test_must_fail_acceptable "$@"
885 echo >&7 "test_must_fail: only 'git' is allowed: $*"
890 if test $exit_code -eq 0 && ! list_contains "$_test_ok" success
892 echo >&4 "test_must_fail: command succeeded: $*"
894 elif test_match_signal 13 $exit_code && list_contains "$_test_ok" sigpipe
897 elif test $exit_code -gt 129 && test $exit_code -le 192
899 echo >&4 "test_must_fail: died by signal $(($exit_code - 128)): $*"
901 elif test $exit_code -eq 127
903 echo >&4 "test_must_fail: command not found: $*"
905 elif test $exit_code -eq 126
907 echo >&4 "test_must_fail: valgrind error: $*"
913 # Similar to test_must_fail, but tolerates success, too. This is
914 # meant to be used in contexts like:
916 # test_expect_success 'some command works without configuration' '
917 # test_might_fail git config --unset all.configuration &&
921 # Writing "git config --unset all.configuration || :" would be wrong,
922 # because we want to notice if it fails due to segv.
924 # Accepts the same options as test_must_fail.
927 test_must_fail ok=success "$@" 2>&7
930 # Similar to test_must_fail and test_might_fail, but check that a
931 # given command exited with a given exit code. Meant to be used as:
933 # test_expect_success 'Merge with d/f conflicts' '
934 # test_expect_code 1 git merge "merge msg" B master
937 test_expect_code () {
942 if test $exit_code = $want_code
947 echo >&4 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
951 # test_cmp is a helper function to compare actual and expected output.
952 # You can use it like:
954 # test_expect_success 'foo works' '
955 # echo expected >expected &&
957 # test_cmp expected actual
960 # This could be written as either "cmp" or "diff -u", but:
961 # - cmp's output is not nearly as easy to read as diff -u
962 # - not all diff versions understand "-u"
965 eval "$GIT_TEST_CMP" '"$@"'
968 # Check that the given config key has the expected value.
970 # test_cmp_config [-C <dir>] <expected-value>
971 # [<git-config-options>...] <config-key>
973 # for example to check that the value of core.bar is foo
975 # test_cmp_config foo core.bar
985 printf "%s\n" "$1" >expect.config &&
987 git $GD config "$@" >actual.config &&
988 test_cmp expect.config actual.config
991 # test_cmp_bin - helper to compare binary files
997 # Use this instead of test_cmp to compare files that contain expected and
998 # actual output from git commands that can be translated. When running
999 # under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected
1002 ! test_have_prereq C_LOCALE_OUTPUT || test_cmp "$@"
1005 # Use this instead of "grep expected-string actual" to see if the
1006 # output from a git command that can be translated either contains an
1007 # expected string, or does not contain an unwanted one. When running
1008 # under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected
1011 eval "last_arg=\${$#}"
1013 test -f "$last_arg" ||
1014 BUG "test_i18ngrep requires a file to read as the last parameter"
1017 { test "x!" = "x$1" && test $# -lt 3 ; }
1019 BUG "too few parameters to test_i18ngrep"
1022 if test_have_prereq !C_LOCALE_OUTPUT
1028 if test "x!" = "x$1"
1031 ! grep "$@" && return 0
1033 echo >&4 "error: '! grep $@' did find a match in:"
1035 grep "$@" && return 0
1037 echo >&4 "error: 'grep $@' didn't find a match in:"
1040 if test -s "$last_arg"
1044 echo >&4 "<File '$last_arg' is empty>"
1050 # Call any command "$@" but be more verbose about its
1051 # failure. This is handy for commands like "test" which do
1052 # not output anything when they fail.
1055 echo >&4 "command failed: $(git rev-parse --sq-quote "$@")"
1059 # Check if the file expected to be empty is indeed empty, and barfs
1062 test_must_be_empty () {
1063 test_path_is_file "$1" &&
1066 echo "'$1' is not empty, it contains:"
1072 # Tests that its two parameters refer to the same revision, or if '!' is
1073 # provided first, that its other two parameters refer to different
1076 local op='=' wrong_result=different
1078 if test $# -ge 1 && test "x$1" = 'x!'
1081 wrong_result='the same'
1086 error "bug in the test script: test_cmp_rev requires two revisions, but got $#"
1089 r1=$(git rev-parse --verify "$1") &&
1090 r2=$(git rev-parse --verify "$2") || return 1
1092 if ! test "$r1" "$op" "$r2"
1095 error: two revisions point to $wrong_result objects:
1104 # Compare paths respecting core.ignoreCase
1105 test_cmp_fspath () {
1106 if test "x$1" = "x$2"
1111 if test true != "$(git config --get --type=bool core.ignorecase)"
1116 test "x$(echo "$1" | tr A-Z a-z)" = "x$(echo "$2" | tr A-Z a-z)"
1119 # Print a sequence of integers in increasing order, either with
1120 # two arguments (start and end):
1122 # test_seq 1 5 -- outputs 1 2 3 4 5 one line at a time
1124 # or with one argument (end), in which case it starts counting
1131 *) BUG "not 1 or 2 parameters to test_seq" ;;
1133 test_seq_counter__=$1
1134 while test "$test_seq_counter__" -le "$2"
1136 echo "$test_seq_counter__"
1137 test_seq_counter__=$(( $test_seq_counter__ + 1 ))
1141 # This function can be used to schedule some commands to be run
1142 # unconditionally at the end of the test to restore sanity:
1144 # test_expect_success 'test core.capslock' '
1145 # git config core.capslock true &&
1146 # test_when_finished "git config --unset core.capslock" &&
1150 # That would be roughly equivalent to
1152 # test_expect_success 'test core.capslock' '
1153 # git config core.capslock true &&
1155 # git config --unset core.capslock
1158 # except that the greeting and config --unset must both succeed for
1161 # Note that under --immediate mode, no clean-up is done to help diagnose
1164 test_when_finished () {
1165 # We cannot detect when we are in a subshell in general, but by
1166 # doing so on Bash is better than nothing (the test will
1167 # silently pass on other shells).
1168 test "${BASH_SUBSHELL-0}" = 0 ||
1169 BUG "test_when_finished does nothing in a subshell"
1171 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
1174 # This function can be used to schedule some commands to be run
1175 # unconditionally at the end of the test script, e.g. to stop a daemon:
1177 # test_expect_success 'test git daemon' '
1180 # test_atexit 'kill $daemon_pid' &&
1184 # The commands will be executed before the trash directory is removed,
1185 # i.e. the atexit commands will still be able to access any pidfiles or
1188 # Note that these commands will be run even when a test script run
1189 # with '--immediate' fails. Be careful with your atexit commands to
1190 # minimize any changes to the failed state.
1193 # We cannot detect when we are in a subshell in general, but by
1194 # doing so on Bash is better than nothing (the test will
1195 # silently pass on other shells).
1196 test "${BASH_SUBSHELL-0}" = 0 ||
1197 error "bug in test script: test_atexit does nothing in a subshell"
1198 test_atexit_cleanup="{ $*
1199 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_atexit_cleanup"
1202 # Most tests can use the created repository, but some may need to create more.
1203 # Usage: test_create_repo <directory>
1204 test_create_repo () {
1206 BUG "not 1 parameter to test-create-repo"
1210 cd "$repo" || error "Cannot setup test environment"
1211 "${GIT_TEST_INSTALLED:-$GIT_EXEC_PATH}/git$X" -c \
1212 init.defaultBranch="${GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME-master}" \
1214 "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
1215 error "cannot run git init -- have you built things yet?"
1216 mv .git/hooks .git/hooks-disabled
1220 # This function helps on symlink challenged file systems when it is not
1221 # important that the file system entry is a symbolic link.
1222 # Use test_ln_s_add instead of "ln -s x y && git add y" to add a
1223 # symbolic link entry y to the index.
1226 if test_have_prereq SYMLINKS
1229 git update-index --add "$2"
1231 printf '%s' "$1" >"$2" &&
1232 ln_s_obj=$(git hash-object -w "$2") &&
1233 git update-index --add --cacheinfo 120000 $ln_s_obj "$2" &&
1234 # pick up stat info from the file
1235 git update-index "$2"
1239 # This function writes out its parameters, one per line
1240 test_write_lines () {
1245 command "$PERL_PATH" "$@" 2>&7
1248 # Given the name of an environment variable with a bool value, normalize
1249 # its value to a 0 (true) or 1 (false or empty string) return code.
1251 # test_bool_env GIT_TEST_HTTPD <default-value>
1253 # Return with code corresponding to the given default value if the variable
1255 # Abort the test script if either the value of the variable or the default
1256 # are not valid bool values.
1261 BUG "test_bool_env requires two parameters (variable name and default value)"
1264 git env--helper --type=bool --default="$2" --exit-code "$1"
1267 0|1) # unset or valid bool value
1269 *) # invalid bool value or something unexpected
1270 error >&7 "test_bool_env requires bool values both for \$$1 and for the default fallback"
1276 # Exit the test suite, either by skipping all remaining tests or by
1277 # exiting with an error. If our prerequisite variable $1 falls back
1278 # on a default assume we were opportunistically trying to set up some
1279 # tests and we skip. If it is explicitly "true", then we report a failure.
1281 # The error/skip message should be given by $2.
1283 test_skip_or_die () {
1284 if ! test_bool_env "$1" false
1292 # The following mingw_* functions obey POSIX shell syntax, but are actually
1293 # bash scripts, and are meant to be used only with bash on Windows.
1295 # A test_cmp function that treats LF and CRLF equal and avoids to fork
1296 # diff when possible.
1298 # Read text into shell variables and compare them. If the results
1299 # are different, use regular diff to report the difference.
1300 local test_cmp_a= test_cmp_b=
1302 # When text came from stdin (one argument is '-') we must feed it
1304 local stdin_for_diff=
1306 # Since it is difficult to detect the difference between an
1307 # empty input file and a failure to read the files, we go straight
1308 # to diff if one of the inputs is empty.
1309 if test -s "$1" && test -s "$2"
1311 # regular case: both files non-empty
1312 mingw_read_file_strip_cr_ test_cmp_a <"$1"
1313 mingw_read_file_strip_cr_ test_cmp_b <"$2"
1314 elif test -s "$1" && test "$2" = -
1316 # read 2nd file from stdin
1317 mingw_read_file_strip_cr_ test_cmp_a <"$1"
1318 mingw_read_file_strip_cr_ test_cmp_b
1319 stdin_for_diff='<<<"$test_cmp_b"'
1320 elif test "$1" = - && test -s "$2"
1322 # read 1st file from stdin
1323 mingw_read_file_strip_cr_ test_cmp_a
1324 mingw_read_file_strip_cr_ test_cmp_b <"$2"
1325 stdin_for_diff='<<<"$test_cmp_a"'
1327 test -n "$test_cmp_a" &&
1328 test -n "$test_cmp_b" &&
1329 test "$test_cmp_a" = "$test_cmp_b" ||
1330 eval "diff -u \"\$@\" $stdin_for_diff"
1333 # $1 is the name of the shell variable to fill in
1334 mingw_read_file_strip_cr_ () {
1335 # Read line-wise using LF as the line separator
1336 # and use IFS to strip CR.
1340 if IFS=$'\r' read -r -d $'\n' line
1345 # we get here at EOF, but also if the last line
1346 # was not terminated by LF; in the latter case,
1347 # some text was read
1354 eval "$1=\$$1\$line"
1358 # Like "env FOO=BAR some-program", but run inside a subshell, which means
1359 # it also works for shell functions (though those functions cannot impact
1360 # the environment outside of the test_env invocation).
1367 eval "${1%%=*}=\${1#*=}"
1368 eval "export ${1%%=*}"
1380 # Returns true if the numeric exit code in "$2" represents the expected signal
1381 # in "$1". Signals should be given numerically.
1382 test_match_signal () {
1383 if test "$2" = "$((128 + $1))"
1387 elif test "$2" = "$((256 + $1))"
1395 # Read up to "$1" bytes (or to EOF) from stdin and write them to stdout.
1396 test_copy_bytes () {
1401 my $nread = sysread(STDIN, $s, $len);
1402 die "cannot read: $!" unless defined($nread);
1410 # run "$@" inside a non-git directory
1417 GIT_CEILING_DIRECTORIES=$(pwd) &&
1418 export GIT_CEILING_DIRECTORIES &&
1424 # convert function arguments or stdin (if not arguments given) to pktline
1425 # representation. If multiple arguments are given, they are separated by
1426 # whitespace and put in a single packet. Note that data containing NULs must be
1427 # given on stdin, and that empty input becomes an empty packet, not a flush
1428 # packet (for that you can just print 0000 yourself).
1433 printf '%04x%s' "$((4 + ${#packet}))" "$packet"
1436 my $packet = do { local $/; <STDIN> };
1437 printf "%04x%s", 4 + length($packet), $packet;
1442 # Parse the input as a series of pktlines, writing the result to stdout.
1443 # Sideband markers are removed automatically, and the output is routed to
1444 # stderr if appropriate.
1446 # NUL bytes are converted to "\\0" for ease of parsing with text tools.
1449 while (read(STDIN, $len, 4) == 4) {
1450 if ($len eq "0000") {
1453 read(STDIN, $buf, hex($len) - 4);
1455 if ($buf =~ s/^[\x2\x3]//) {
1466 # Converts base-16 data into base-8. The output is given as a sequence of
1467 # escaped octals, suitable for consumption by 'printf'.
1469 perl -ne 'printf "\\%03o", hex for /../g'
1472 # Set the hash algorithm in use to $1. Only useful when testing the testsuite.
1477 # Detect the hash algorithm in use.
1478 test_detect_hash () {
1479 test_hash_algo="${GIT_TEST_DEFAULT_HASH:-sha1}"
1482 # Load common hash metadata and common placeholder object IDs for use with
1485 test -n "$test_hash_algo" || test_detect_hash &&
1486 test_oid_cache <"$TEST_DIRECTORY/oid-info/hash-info" &&
1487 test_oid_cache <"$TEST_DIRECTORY/oid-info/oid"
1490 # Load key-value pairs from stdin suitable for use with test_oid. Blank lines
1491 # and lines starting with "#" are ignored. Keys must be shell identifier
1498 local tag rest k v &&
1500 { test -n "$test_hash_algo" || test_detect_hash; } &&
1517 if ! expr "$k" : '[a-z0-9][a-z0-9]*$' >/dev/null
1519 BUG 'bad hash algorithm'
1521 eval "test_oid_${k}_$tag=\"\$v\""
1525 # Look up a per-hash value based on a key ($1). The value must have been loaded
1526 # by test_oid_init or test_oid_cache.
1528 local algo="${test_hash_algo}" &&
1532 algo="${1#--hash=}" &&
1538 local var="test_oid_${algo}_$1" &&
1540 # If the variable is unset, we must be missing an entry for this
1541 # key-hash pair, so exit with an error.
1542 if eval "test -z \"\${$var+set}\""
1544 BUG "undefined key '$1'"
1546 eval "printf '%s' \"\${$var}\""
1549 # Insert a slash into an object ID so it can be used to reference a location
1550 # under ".git/objects". For example, "deadbeef..." becomes "de/adbeef..".
1551 test_oid_to_path () {
1552 local basename=${1#??}
1553 echo "${1%$basename}/$basename"
1556 # Choose a port number based on the test script's number and store it in
1557 # the given variable name, unless that variable already contains a number.
1561 if test $# -ne 1 || test -z "$var"
1563 BUG "test_set_port requires a variable name"
1569 # No port is set in the given env var, use the test
1570 # number as port number instead.
1571 # Remove not only the leading 't', but all leading zeros
1572 # as well, so the arithmetic below won't (mis)interpret
1573 # a test number like '0123' as an octal value.
1574 port=${this_test#${this_test%%[1-9]*}}
1575 if test "${port:-0}" -lt 1024
1577 # root-only port, use a larger one instead.
1578 port=$(($port + 10000))
1582 error >&7 "invalid port number: $port"
1585 # The user has specified the port.
1589 # Make sure that parallel '--stress' test jobs get different
1591 port=$(($port + ${GIT_TEST_STRESS_JOB_NR:-0}))
1595 # Compare a file containing rev-list bitmap traversal output to its non-bitmap
1596 # counterpart. You can't just use test_cmp for this, because the two produce
1597 # subtly different output:
1599 # - regular output is in traversal order, whereas bitmap is split by type,
1600 # with non-packed objects at the end
1602 # - regular output has a space and the pathname appended to non-commit
1603 # objects; bitmap output omits this
1605 # This function normalizes and compares the two. The second file should
1606 # always be the bitmap output.
1607 test_bitmap_traversal () {
1608 if test "$1" = "--no-confirm-bitmaps"
1613 echo >&2 "identical raw outputs; are you sure bitmaps were used?"
1616 cut -d' ' -f1 "$1" | sort >"$1.normalized" &&
1617 sort "$2" >"$2.normalized" &&
1618 test_cmp "$1.normalized" "$2.normalized" &&
1619 rm -f "$1.normalized" "$2.normalized"
1622 # Tests for the hidden file attribute on Windows
1623 test_path_is_hidden () {
1624 test_have_prereq MINGW ||
1625 BUG "test_path_is_hidden can only be used on Windows"
1627 # Use the output of `attrib`, ignore the absolute path
1628 case "$("$SYSTEMROOT"/system32/attrib "$1")" in *H*?:*) return 0;; esac
1632 # Check that the given command was invoked as part of the
1633 # trace2-format trace on stdin.
1635 # test_subcommand [!] <command> <args>... < <trace>
1637 # For example, to look for an invocation of "git upload-pack
1640 # GIT_TRACE2_EVENT=event.log git fetch ... &&
1641 # test_subcommand git upload-pack "$PATH" <event.log
1643 # If the first parameter passed is !, this instead checks that
1644 # the given command was not called.
1646 test_subcommand () {
1654 local expr=$(printf '"%s",' "$@")
1657 if test -n "$negate"