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.
215 indir
=${indir:+"$indir"/} &&
217 echo "${3-$1}" > "$indir$file" &&
218 git
${indir:+ -C "$indir"} add
"$file" &&
223 git
${indir:+ -C "$indir"} commit
$signoff -m "$1" &&
224 git
${indir:+ -C "$indir"} tag
"${4:-$1}"
227 # Call test_merge with the arguments "<message> <commit>", where <commit>
228 # can be a tag pointing to the commit-to-merge.
232 git merge
-m "$1" "$2" &&
236 # This function helps systems where core.filemode=false is set.
237 # Use it instead of plain 'chmod +x' to set or unset the executable bit
238 # of a file in the working directory and add it to the index.
242 git update-index
--add "--chmod=$@"
245 # Get the modebits from a file.
247 ls -l "$1" |
sed -e 's|^\(..........\).*|\1|'
250 # Unset a configuration variable, but don't fail if it doesn't exist.
259 git
${config_dir:+-C "$config_dir"} config
--unset-all "$@"
261 case "$config_status" in
262 5) # ok, nothing to unset
266 return $config_status
269 # Set git config, automatically unsetting it after the test is over.
278 test_when_finished
"test_unconfig ${config_dir:+-C '$config_dir'} '$1'" &&
279 git
${config_dir:+-C "$config_dir"} config
"$@"
282 test_config_global
() {
283 test_when_finished
"test_unconfig --global '$1'" &&
284 git config
--global "$@"
289 echo "#!${2-"$SHELL_PATH"}" &&
295 # Use test_set_prereq to tell that a particular prerequisite is available.
296 # The prerequisite can later be checked for in two ways:
298 # - Explicitly using test_have_prereq.
300 # - Implicitly by specifying the prerequisite tag in the calls to
301 # test_expect_{success,failure,code}.
303 # The single parameter is the prerequisite tag (a simple word, in all
304 # capital letters by convention).
306 test_unset_prereq
() {
307 ! test_have_prereq
"$1" ||
308 satisfied_prereq
="${satisfied_prereq% $1 *} ${satisfied_prereq#* $1 }"
312 if test -n "$GIT_TEST_FAIL_PREREQS_INTERNAL"
315 # The "!" case is handled below with
316 # test_unset_prereq()
319 # (Temporary?) whitelist of things we can't easily
320 # pretend not to support
323 # Inspecting whether GIT_TEST_FAIL_PREREQS is on
324 # should be unaffected.
334 test_unset_prereq
"${1#!}"
337 satisfied_prereq
="$satisfied_prereq$1 "
342 lazily_testable_prereq
= lazily_tested_prereq
=
344 # Usage: test_lazy_prereq PREREQ 'script'
345 test_lazy_prereq
() {
346 lazily_testable_prereq
="$lazily_testable_prereq$1 "
347 eval test_prereq_lazily_
$1=\
$2
350 test_run_lazy_prereq_
() {
352 mkdir -p "$TRASH_DIRECTORY/prereq-test-dir" &&
354 cd "$TRASH_DIRECTORY/prereq-test-dir" &&'"$2"'
356 say
>&3 "checking prerequisite: $1"
360 rm -rf "$TRASH_DIRECTORY/prereq-test-dir"
361 if test "$eval_ret" = 0; then
362 say
>&3 "prerequisite $1 ok"
364 say
>&3 "prerequisite $1 not satisfied"
369 test_have_prereq
() {
370 # prerequisites can be concatenated with ','
382 case "$prerequisite" in
385 prerequisite
=${prerequisite#!}
391 case " $lazily_tested_prereq " in
395 case " $lazily_testable_prereq " in
397 eval "script=\$test_prereq_lazily_$prerequisite" &&
398 if test_run_lazy_prereq_
"$prerequisite" "$script"
400 test_set_prereq
$prerequisite
402 lazily_tested_prereq
="$lazily_tested_prereq$prerequisite "
407 total_prereq
=$
(($total_prereq + 1))
408 case "$satisfied_prereq" in
410 satisfied_this_prereq
=t
413 satisfied_this_prereq
=
416 case "$satisfied_this_prereq,$negative_prereq" in
418 ok_prereq
=$
(($ok_prereq + 1))
421 # Keep a list of missing prerequisites; restore
422 # the negative marker if necessary.
423 prerequisite
=${negative_prereq:+!}$prerequisite
424 if test -z "$missing_prereq"
426 missing_prereq
=$prerequisite
428 missing_prereq
="$prerequisite,$missing_prereq"
433 test $total_prereq = $ok_prereq
436 test_declared_prereq
() {
437 case ",$test_prereq," in
445 test_verify_prereq
() {
446 test -z "$test_prereq" ||
447 expr >/dev
/null
"$test_prereq" : '[A-Z0-9_,!]*$' ||
448 BUG
"'$test_prereq' does not look like a prereq"
451 test_expect_failure
() {
453 test "$#" = 3 && { test_prereq
=$1; shift; } || test_prereq
=
455 BUG
"not 2 or 3 parameters to test-expect-failure"
460 say
>&3 "checking known breakage: $2"
461 if test_run_
"$2" expecting_failure
463 test_known_broken_ok_
"$1"
465 test_known_broken_failure_
"$1"
471 test_expect_success
() {
473 test "$#" = 3 && { test_prereq
=$1; shift; } || test_prereq
=
475 BUG
"not 2 or 3 parameters to test-expect-success"
480 say
>&3 "expecting success: $2"
491 # test_external runs external test scripts that provide continuous
492 # test output about their progress, and succeeds/fails on
493 # zero/non-zero exit code. It outputs the test output on stdout even
494 # in non-verbose mode, and announces the external script with "# run
495 # <n>: ..." before running it. When providing relative paths, keep in
496 # mind that all scripts run in "trash directory".
497 # Usage: test_external description command arguments...
498 # Example: test_external 'Perl API' perl ../path/to/test.pl
500 test "$#" = 4 && { test_prereq
=$1; shift; } || test_prereq
=
502 BUG
"not 3 or 4 parameters to test_external"
507 if ! test_skip
"$descr" "$@"
509 # Announce the script to reduce confusion about the
510 # test output that follows.
511 say_color
"" "# run $test_count: $descr ($*)"
512 # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
513 # to be able to use them in script
514 export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
515 # Run command; redirect its stderr to &4 as in
516 # test_run_, but keep its stdout on our stdout even in
521 if test $test_external_has_tap -eq 0; then
524 say_color
"" "# test_external test $descr was ok"
525 test_success
=$
(($test_success + 1))
528 if test $test_external_has_tap -eq 0; then
529 test_failure_
"$descr" "$@"
531 say_color error
"# test_external test $descr failed: $@"
532 test_failure
=$
(($test_failure + 1))
538 # Like test_external, but in addition tests that the command generated
539 # no output on stderr.
540 test_external_without_stderr
() {
541 # The temporary file has no (and must have no) security
544 stderr
="$tmp/git-external-stderr.$$.tmp"
545 test_external
"$@" 4> "$stderr"
546 test -f "$stderr" || error
"Internal error: $stderr disappeared."
547 descr
="no stderr: $1"
549 say
>&3 "# expecting no stderr from previous command"
550 if test ! -s "$stderr"
554 if test $test_external_has_tap -eq 0; then
557 say_color
"" "# test_external_without_stderr test $descr was ok"
558 test_success
=$
(($test_success + 1))
561 if test "$verbose" = t
563 output
=$
(echo; echo "# Stderr is:"; cat "$stderr")
567 # rm first in case test_failure exits.
569 if test $test_external_has_tap -eq 0; then
570 test_failure_
"$descr" "$@" "$output"
572 say_color error
"# test_external_without_stderr test $descr failed: $@: $output"
573 test_failure
=$
(($test_failure + 1))
578 # debugging-friendly alternatives to "test [-f|-d|-e]"
579 # The commands test the existence or non-existence of $1. $2 can be
580 # given to provide a more precise diagnosis.
581 test_path_is_file
() {
584 echo "File $1 doesn't exist. $2"
589 test_path_is_dir
() {
592 echo "Directory $1 doesn't exist. $2"
597 test_path_exists
() {
600 echo "Path $1 doesn't exist. $2"
605 # Check if the directory exists and is empty as expected, barf otherwise.
606 test_dir_is_empty
() {
607 test_path_is_dir
"$1" &&
608 if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')"
610 echo "Directory '$1' is not empty, it contains:"
616 # Check if the file exists and has a size greater than zero
617 test_file_not_empty
() {
620 echo "'$1' is not a non-empty file."
625 test_path_is_missing
() {
638 # test_line_count checks that a file has the number of lines it
639 # ought to. For example:
641 # test_expect_success 'produce exactly one line of output' '
642 # do something >output &&
643 # test_line_count = 1 output
646 # is like "test $(wc -l <output) = 1" except that it passes the
647 # output through when the number of lines is wrong.
652 BUG
"not 3 parameters to test_line_count"
653 elif ! test $
(wc -l <"$3") "$1" "$2"
655 echo "test_line_count: line count for $3 !$1 $2"
661 # Returns success if a comma separated string of keywords ($1) contains a
662 # given keyword ($2).
664 # `list_contains "foo,bar" bar` returns 0
665 # `list_contains "foo" bar` returns 1
676 # This is not among top-level (test_expect_success | test_expect_failure)
677 # but is a prefix that can be used in the test script, like:
679 # test_expect_success 'complain and die' '
681 # do something else &&
682 # test_must_fail git checkout ../outerspace
685 # Writing this as "! git checkout ../outerspace" is wrong, because
686 # the failure could be due to a segv. We want a controlled failure.
688 # Accepts the following options:
690 # ok=<signal-name>[,<...>]:
691 # Don't treat an exit caused by the given signal as error.
692 # Multiple signals can be specified as a comma separated list.
693 # Currently recognized signal names are: sigpipe, success.
694 # (Don't use 'success', use 'test_might_fail' instead.)
708 if test $exit_code -eq 0 && ! list_contains
"$_test_ok" success
710 echo >&4 "test_must_fail: command succeeded: $*"
712 elif test_match_signal
13 $exit_code && list_contains
"$_test_ok" sigpipe
715 elif test $exit_code -gt 129 && test $exit_code -le 192
717 echo >&4 "test_must_fail: died by signal $(($exit_code - 128)): $*"
719 elif test $exit_code -eq 127
721 echo >&4 "test_must_fail: command not found: $*"
723 elif test $exit_code -eq 126
725 echo >&4 "test_must_fail: valgrind error: $*"
731 # Similar to test_must_fail, but tolerates success, too. This is
732 # meant to be used in contexts like:
734 # test_expect_success 'some command works without configuration' '
735 # test_might_fail git config --unset all.configuration &&
739 # Writing "git config --unset all.configuration || :" would be wrong,
740 # because we want to notice if it fails due to segv.
742 # Accepts the same options as test_must_fail.
745 test_must_fail ok
=success
"$@" 2>&7
748 # Similar to test_must_fail and test_might_fail, but check that a
749 # given command exited with a given exit code. Meant to be used as:
751 # test_expect_success 'Merge with d/f conflicts' '
752 # test_expect_code 1 git merge "merge msg" B master
755 test_expect_code
() {
760 if test $exit_code = $want_code
765 echo >&4 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
769 # test_cmp is a helper function to compare actual and expected output.
770 # You can use it like:
772 # test_expect_success 'foo works' '
773 # echo expected >expected &&
775 # test_cmp expected actual
778 # This could be written as either "cmp" or "diff -u", but:
779 # - cmp's output is not nearly as easy to read as diff -u
780 # - not all diff versions understand "-u"
786 # Check that the given config key has the expected value.
788 # test_cmp_config [-C <dir>] <expected-value>
789 # [<git-config-options>...] <config-key>
791 # for example to check that the value of core.bar is foo
793 # test_cmp_config foo core.bar
803 printf "%s\n" "$1" >expect.config
&&
805 git
$GD config
"$@" >actual.config
&&
806 test_cmp expect.config actual.config
809 # test_cmp_bin - helper to compare binary files
815 # Use this instead of test_cmp to compare files that contain expected and
816 # actual output from git commands that can be translated. When running
817 # under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected
820 ! test_have_prereq C_LOCALE_OUTPUT || test_cmp
"$@"
823 # Use this instead of "grep expected-string actual" to see if the
824 # output from a git command that can be translated either contains an
825 # expected string, or does not contain an unwanted one. When running
826 # under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected
829 eval "last_arg=\${$#}"
831 test -f "$last_arg" ||
832 BUG
"test_i18ngrep requires a file to read as the last parameter"
835 { test "x!" = "x$1" && test $# -lt 3 ; }
837 BUG
"too few parameters to test_i18ngrep"
840 if test_have_prereq
!C_LOCALE_OUTPUT
849 ! grep "$@" && return 0
851 echo >&4 "error: '! grep $@' did find a match in:"
853 grep "$@" && return 0
855 echo >&4 "error: 'grep $@' didn't find a match in:"
858 if test -s "$last_arg"
862 echo >&4 "<File '$last_arg' is empty>"
868 # Call any command "$@" but be more verbose about its
869 # failure. This is handy for commands like "test" which do
870 # not output anything when they fail.
873 echo >&4 "command failed: $(git rev-parse --sq-quote "$@
")"
877 # Check if the file expected to be empty is indeed empty, and barfs
880 test_must_be_empty
() {
881 test_path_is_file
"$1" &&
884 echo "'$1' is not empty, it contains:"
890 # Tests that its two parameters refer to the same revision
894 error
"bug in the test script: test_cmp_rev requires two revisions, but got $#"
897 r1
=$
(git rev-parse
--verify "$1") &&
898 r2
=$
(git rev-parse
--verify "$2") &&
899 if test "$r1" != "$r2"
902 error: two revisions point to different objects:
911 # Print a sequence of integers in increasing order, either with
912 # two arguments (start and end):
914 # test_seq 1 5 -- outputs 1 2 3 4 5 one line at a time
916 # or with one argument (end), in which case it starts counting
923 *) BUG
"not 1 or 2 parameters to test_seq" ;;
925 test_seq_counter__
=$1
926 while test "$test_seq_counter__" -le "$2"
928 echo "$test_seq_counter__"
929 test_seq_counter__
=$
(( $test_seq_counter__ + 1 ))
933 # This function can be used to schedule some commands to be run
934 # unconditionally at the end of the test to restore sanity:
936 # test_expect_success 'test core.capslock' '
937 # git config core.capslock true &&
938 # test_when_finished "git config --unset core.capslock" &&
942 # That would be roughly equivalent to
944 # test_expect_success 'test core.capslock' '
945 # git config core.capslock true &&
947 # git config --unset core.capslock
950 # except that the greeting and config --unset must both succeed for
953 # Note that under --immediate mode, no clean-up is done to help diagnose
956 test_when_finished
() {
957 # We cannot detect when we are in a subshell in general, but by
958 # doing so on Bash is better than nothing (the test will
959 # silently pass on other shells).
960 test "${BASH_SUBSHELL-0}" = 0 ||
961 BUG
"test_when_finished does nothing in a subshell"
963 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
966 # This function can be used to schedule some commands to be run
967 # unconditionally at the end of the test script, e.g. to stop a daemon:
969 # test_expect_success 'test git daemon' '
972 # test_atexit 'kill $daemon_pid' &&
976 # The commands will be executed before the trash directory is removed,
977 # i.e. the atexit commands will still be able to access any pidfiles or
980 # Note that these commands will be run even when a test script run
981 # with '--immediate' fails. Be careful with your atexit commands to
982 # minimize any changes to the failed state.
985 # We cannot detect when we are in a subshell in general, but by
986 # doing so on Bash is better than nothing (the test will
987 # silently pass on other shells).
988 test "${BASH_SUBSHELL-0}" = 0 ||
989 error
"bug in test script: test_atexit does nothing in a subshell"
990 test_atexit_cleanup
="{ $*
991 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_atexit_cleanup"
994 # Most tests can use the created repository, but some may need to create more.
995 # Usage: test_create_repo <directory>
996 test_create_repo
() {
998 BUG
"not 1 parameter to test-create-repo"
1002 cd "$repo" || error
"Cannot setup test environment"
1003 "${GIT_TEST_INSTALLED:-$GIT_EXEC_PATH}/git$X" init \
1004 "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
1005 error
"cannot run git init -- have you built things yet?"
1006 mv .git
/hooks .git
/hooks-disabled
1010 # This function helps on symlink challenged file systems when it is not
1011 # important that the file system entry is a symbolic link.
1012 # Use test_ln_s_add instead of "ln -s x y && git add y" to add a
1013 # symbolic link entry y to the index.
1016 if test_have_prereq SYMLINKS
1019 git update-index
--add "$2"
1021 printf '%s' "$1" >"$2" &&
1022 ln_s_obj
=$
(git hash-object
-w "$2") &&
1023 git update-index
--add --cacheinfo 120000 $ln_s_obj "$2" &&
1024 # pick up stat info from the file
1025 git update-index
"$2"
1029 # This function writes out its parameters, one per line
1030 test_write_lines
() {
1035 command "$PERL_PATH" "$@" 2>&7
1038 # Exit the test suite, either by skipping all remaining tests or by
1039 # exiting with an error. If our prerequisite variable $1 falls back
1040 # on a default assume we were opportunistically trying to set up some
1041 # tests and we skip. If it is explicitly "true", then we report a failure.
1043 # The error/skip message should be given by $2.
1045 test_skip_or_die
() {
1046 if ! git env--helper
--type=bool
--default=false
--exit-code $1
1054 # The following mingw_* functions obey POSIX shell syntax, but are actually
1055 # bash scripts, and are meant to be used only with bash on Windows.
1057 # A test_cmp function that treats LF and CRLF equal and avoids to fork
1058 # diff when possible.
1060 # Read text into shell variables and compare them. If the results
1061 # are different, use regular diff to report the difference.
1062 local test_cmp_a
= test_cmp_b
=
1064 # When text came from stdin (one argument is '-') we must feed it
1066 local stdin_for_diff
=
1068 # Since it is difficult to detect the difference between an
1069 # empty input file and a failure to read the files, we go straight
1070 # to diff if one of the inputs is empty.
1071 if test -s "$1" && test -s "$2"
1073 # regular case: both files non-empty
1074 mingw_read_file_strip_cr_ test_cmp_a
<"$1"
1075 mingw_read_file_strip_cr_ test_cmp_b
<"$2"
1076 elif test -s "$1" && test "$2" = -
1078 # read 2nd file from stdin
1079 mingw_read_file_strip_cr_ test_cmp_a
<"$1"
1080 mingw_read_file_strip_cr_ test_cmp_b
1081 stdin_for_diff
='<<<"$test_cmp_b"'
1082 elif test "$1" = - && test -s "$2"
1084 # read 1st file from stdin
1085 mingw_read_file_strip_cr_ test_cmp_a
1086 mingw_read_file_strip_cr_ test_cmp_b
<"$2"
1087 stdin_for_diff
='<<<"$test_cmp_a"'
1089 test -n "$test_cmp_a" &&
1090 test -n "$test_cmp_b" &&
1091 test "$test_cmp_a" = "$test_cmp_b" ||
1092 eval "diff -u \"\$@\" $stdin_for_diff"
1095 # $1 is the name of the shell variable to fill in
1096 mingw_read_file_strip_cr_
() {
1097 # Read line-wise using LF as the line separator
1098 # and use IFS to strip CR.
1102 if IFS
=$
'\r' read -r -d $
'\n' line
1107 # we get here at EOF, but also if the last line
1108 # was not terminated by LF; in the latter case,
1109 # some text was read
1116 eval "$1=\$$1\$line"
1120 # Like "env FOO=BAR some-program", but run inside a subshell, which means
1121 # it also works for shell functions (though those functions cannot impact
1122 # the environment outside of the test_env invocation).
1129 eval "${1%%=*}=\${1#*=}"
1130 eval "export ${1%%=*}"
1142 # Returns true if the numeric exit code in "$2" represents the expected signal
1143 # in "$1". Signals should be given numerically.
1144 test_match_signal
() {
1145 if test "$2" = "$((128 + $1))"
1149 elif test "$2" = "$((256 + $1))"
1157 # Read up to "$1" bytes (or to EOF) from stdin and write them to stdout.
1158 test_copy_bytes
() {
1163 my $nread = sysread(STDIN, $s, $len);
1164 die "cannot read: $!" unless defined($nread);
1172 # run "$@" inside a non-git directory
1179 GIT_CEILING_DIRECTORIES
=$
(pwd) &&
1180 export GIT_CEILING_DIRECTORIES
&&
1186 # convert stdin to pktline representation; note that empty input becomes an
1187 # empty packet, not a flush packet (for that you can just print 0000 yourself).
1189 cat >packetize.tmp
&&
1190 len
=$
(wc -c <packetize.tmp
) &&
1191 printf '%04x%s' "$(($len + 4))" &&
1192 cat packetize.tmp
&&
1196 # Parse the input as a series of pktlines, writing the result to stdout.
1197 # Sideband markers are removed automatically, and the output is routed to
1198 # stderr if appropriate.
1200 # NUL bytes are converted to "\\0" for ease of parsing with text tools.
1203 while (read(STDIN, $len, 4) == 4) {
1204 if ($len eq "0000") {
1207 read(STDIN, $buf, hex($len) - 4);
1209 if ($buf =~ s/^[\x2\x3]//) {
1220 # Converts base-16 data into base-8. The output is given as a sequence of
1221 # escaped octals, suitable for consumption by 'printf'.
1223 perl
-ne 'printf "\\%03o", hex for /../g'
1226 # Set the hash algorithm in use to $1. Only useful when testing the testsuite.
1231 # Detect the hash algorithm in use.
1232 test_detect_hash
() {
1233 # Currently we only support SHA-1, but in the future this function will
1234 # actually detect the algorithm in use.
1235 test_hash_algo
='sha1'
1238 # Load common hash metadata and common placeholder object IDs for use with
1241 test -n "$test_hash_algo" || test_detect_hash
&&
1242 test_oid_cache
<"$TEST_DIRECTORY/oid-info/hash-info" &&
1243 test_oid_cache
<"$TEST_DIRECTORY/oid-info/oid"
1246 # Load key-value pairs from stdin suitable for use with test_oid. Blank lines
1247 # and lines starting with "#" are ignored. Keys must be shell identifier
1254 local tag rest k v
&&
1256 { test -n "$test_hash_algo" || test_detect_hash
; } &&
1273 if ! expr "$k" : '[a-z0-9][a-z0-9]*$' >/dev
/null
1275 BUG
'bad hash algorithm'
1277 eval "test_oid_${k}_$tag=\"\$v\""
1281 # Look up a per-hash value based on a key ($1). The value must have been loaded
1282 # by test_oid_init or test_oid_cache.
1284 local var
="test_oid_${test_hash_algo}_$1" &&
1286 # If the variable is unset, we must be missing an entry for this
1287 # key-hash pair, so exit with an error.
1288 if eval "test -z \"\${$var+set}\""
1290 BUG
"undefined key '$1'"
1292 eval "printf '%s' \"\${$var}\""
1295 # Choose a port number based on the test script's number and store it in
1296 # the given variable name, unless that variable already contains a number.
1300 if test $# -ne 1 ||
test -z "$var"
1302 BUG
"test_set_port requires a variable name"
1308 # No port is set in the given env var, use the test
1309 # number as port number instead.
1310 # Remove not only the leading 't', but all leading zeros
1311 # as well, so the arithmetic below won't (mis)interpret
1312 # a test number like '0123' as an octal value.
1313 port
=${this_test#${this_test%%[1-9]*}}
1314 if test "${port:-0}" -lt 1024
1316 # root-only port, use a larger one instead.
1317 port
=$
(($port + 10000))
1321 error
>&7 "invalid port number: $port"
1324 # The user has specified the port.
1328 # Make sure that parallel '--stress' test jobs get different
1330 port
=$
(($port + ${GIT_TEST_STRESS_JOB_NR:-0}))