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$//'
119 # In some bourne shell implementations, the "unset" builtin returns
120 # nonzero status when a variable to be unset was not set in the first
123 # Use sane_unset when that should not be considered an error.
131 if test -z "${test_tick+set}"
135 test_tick=$(($test_tick + 60))
137 GIT_COMMITTER_DATE="$test_tick -0700"
138 GIT_AUTHOR_DATE="$test_tick -0700"
139 export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
142 # Stop execution and start a shell. This is useful for debugging tests.
144 # Be sure to remove all invocations of this command before submitting.
147 "$SHELL_PATH" <&6 >&5 2>&7
150 # Wrap git with a debugger. Adding this to a command can make it easier
151 # to understand what is going on in a failing test.
154 # debug git checkout master
155 # debug --debugger=nemiver git $ARGS
156 # debug -d "valgrind --tool=memcheck --track-origins=yes" git $ARGS
164 GIT_DEBUGGER="${1#*=}" &&
171 GIT_DEBUGGER="${GIT_DEBUGGER}" "$@" <&6 >&5 2>&7
174 # Call test_commit with the arguments
175 # [-C <directory>] <message> [<file> [<contents> [<tag>]]]"
177 # This will commit a file with the given contents and the given commit
178 # message, and tag the resulting commit with the given tag name.
180 # <file>, <contents>, and <tag> all default to <message>.
182 # If the first argument is "-C", the second argument is used as a path for
183 # the git invocations.
208 indir=${indir:+"$indir"/} &&
210 echo "${3-$1}" > "$indir$file" &&
211 git ${indir:+ -C "$indir"} add "$file" &&
216 git ${indir:+ -C "$indir"} commit $signoff -m "$1" &&
217 git ${indir:+ -C "$indir"} tag "${4:-$1}"
220 # Call test_merge with the arguments "<message> <commit>", where <commit>
221 # can be a tag pointing to the commit-to-merge.
225 git merge -m "$1" "$2" &&
229 # This function helps systems where core.filemode=false is set.
230 # Use it instead of plain 'chmod +x' to set or unset the executable bit
231 # of a file in the working directory and add it to the index.
235 git update-index --add "--chmod=$@"
238 # Get the modebits from a file.
240 ls -l "$1" | sed -e 's|^\(..........\).*|\1|'
243 # Unset a configuration variable, but don't fail if it doesn't exist.
252 git ${config_dir:+-C "$config_dir"} config --unset-all "$@"
254 case "$config_status" in
255 5) # ok, nothing to unset
259 return $config_status
262 # Set git config, automatically unsetting it after the test is over.
271 test_when_finished "test_unconfig ${config_dir:+-C '$config_dir'} '$1'" &&
272 git ${config_dir:+-C "$config_dir"} config "$@"
275 test_config_global () {
276 test_when_finished "test_unconfig --global '$1'" &&
277 git config --global "$@"
282 echo "#!${2-"$SHELL_PATH"}" &&
288 # Use test_set_prereq to tell that a particular prerequisite is available.
289 # The prerequisite can later be checked for in two ways:
291 # - Explicitly using test_have_prereq.
293 # - Implicitly by specifying the prerequisite tag in the calls to
294 # test_expect_{success,failure,code}.
296 # The single parameter is the prerequisite tag (a simple word, in all
297 # capital letters by convention).
299 test_unset_prereq () {
300 ! test_have_prereq "$1" ||
301 satisfied_prereq="${satisfied_prereq% $1 *} ${satisfied_prereq#* $1 }"
307 test_unset_prereq "${1#!}"
310 satisfied_prereq="$satisfied_prereq$1 "
315 lazily_testable_prereq= lazily_tested_prereq=
317 # Usage: test_lazy_prereq PREREQ 'script'
318 test_lazy_prereq () {
319 lazily_testable_prereq="$lazily_testable_prereq$1 "
320 eval test_prereq_lazily_$1=\$2
323 test_run_lazy_prereq_ () {
325 mkdir -p "$TRASH_DIRECTORY/prereq-test-dir" &&
327 cd "$TRASH_DIRECTORY/prereq-test-dir" &&'"$2"'
329 say >&3 "checking prerequisite: $1"
333 rm -rf "$TRASH_DIRECTORY/prereq-test-dir"
334 if test "$eval_ret" = 0; then
335 say >&3 "prerequisite $1 ok"
337 say >&3 "prerequisite $1 not satisfied"
342 test_have_prereq () {
343 # prerequisites can be concatenated with ','
355 case "$prerequisite" in
358 prerequisite=${prerequisite#!}
364 case " $lazily_tested_prereq " in
368 case " $lazily_testable_prereq " in
370 eval "script=\$test_prereq_lazily_$prerequisite" &&
371 if test_run_lazy_prereq_ "$prerequisite" "$script"
373 test_set_prereq $prerequisite
375 lazily_tested_prereq="$lazily_tested_prereq$prerequisite "
380 total_prereq=$(($total_prereq + 1))
381 case "$satisfied_prereq" in
383 satisfied_this_prereq=t
386 satisfied_this_prereq=
389 case "$satisfied_this_prereq,$negative_prereq" in
391 ok_prereq=$(($ok_prereq + 1))
394 # Keep a list of missing prerequisites; restore
395 # the negative marker if necessary.
396 prerequisite=${negative_prereq:+!}$prerequisite
397 if test -z "$missing_prereq"
399 missing_prereq=$prerequisite
401 missing_prereq="$prerequisite,$missing_prereq"
406 test $total_prereq = $ok_prereq
409 test_declared_prereq () {
410 case ",$test_prereq," in
418 test_verify_prereq () {
419 test -z "$test_prereq" ||
420 expr >/dev/null "$test_prereq" : '[A-Z0-9_,!]*$' ||
421 error "bug in the test script: '$test_prereq' does not look like a prereq"
424 test_expect_failure () {
426 test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
428 error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
433 say >&3 "checking known breakage: $2"
434 if test_run_ "$2" expecting_failure
436 test_known_broken_ok_ "$1"
438 test_known_broken_failure_ "$1"
444 test_expect_success () {
446 test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
448 error "bug in the test script: not 2 or 3 parameters to test-expect-success"
453 say >&3 "expecting success: $2"
464 # test_external runs external test scripts that provide continuous
465 # test output about their progress, and succeeds/fails on
466 # zero/non-zero exit code. It outputs the test output on stdout even
467 # in non-verbose mode, and announces the external script with "# run
468 # <n>: ..." before running it. When providing relative paths, keep in
469 # mind that all scripts run in "trash directory".
470 # Usage: test_external description command arguments...
471 # Example: test_external 'Perl API' perl ../path/to/test.pl
473 test "$#" = 4 && { test_prereq=$1; shift; } || test_prereq=
475 error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
480 if ! test_skip "$descr" "$@"
482 # Announce the script to reduce confusion about the
483 # test output that follows.
484 say_color "" "# run $test_count: $descr ($*)"
485 # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
486 # to be able to use them in script
487 export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
488 # Run command; redirect its stderr to &4 as in
489 # test_run_, but keep its stdout on our stdout even in
494 if test $test_external_has_tap -eq 0; then
497 say_color "" "# test_external test $descr was ok"
498 test_success=$(($test_success + 1))
501 if test $test_external_has_tap -eq 0; then
502 test_failure_ "$descr" "$@"
504 say_color error "# test_external test $descr failed: $@"
505 test_failure=$(($test_failure + 1))
511 # Like test_external, but in addition tests that the command generated
512 # no output on stderr.
513 test_external_without_stderr () {
514 # The temporary file has no (and must have no) security
517 stderr="$tmp/git-external-stderr.$$.tmp"
518 test_external "$@" 4> "$stderr"
519 test -f "$stderr" || error "Internal error: $stderr disappeared."
520 descr="no stderr: $1"
522 say >&3 "# expecting no stderr from previous command"
523 if test ! -s "$stderr"
527 if test $test_external_has_tap -eq 0; then
530 say_color "" "# test_external_without_stderr test $descr was ok"
531 test_success=$(($test_success + 1))
534 if test "$verbose" = t
536 output=$(echo; echo "# Stderr is:"; cat "$stderr")
540 # rm first in case test_failure exits.
542 if test $test_external_has_tap -eq 0; then
543 test_failure_ "$descr" "$@" "$output"
545 say_color error "# test_external_without_stderr test $descr failed: $@: $output"
546 test_failure=$(($test_failure + 1))
551 # debugging-friendly alternatives to "test [-f|-d|-e]"
552 # The commands test the existence or non-existence of $1. $2 can be
553 # given to provide a more precise diagnosis.
554 test_path_is_file () {
557 echo "File $1 doesn't exist. $2"
562 test_path_is_dir () {
565 echo "Directory $1 doesn't exist. $2"
570 test_path_exists () {
573 echo "Path $1 doesn't exist. $2"
578 # Check if the directory exists and is empty as expected, barf otherwise.
579 test_dir_is_empty () {
580 test_path_is_dir "$1" &&
581 if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')"
583 echo "Directory '$1' is not empty, it contains:"
589 test_path_is_missing () {
602 # test_line_count checks that a file has the number of lines it
603 # ought to. For example:
605 # test_expect_success 'produce exactly one line of output' '
606 # do something >output &&
607 # test_line_count = 1 output
610 # is like "test $(wc -l <output) = 1" except that it passes the
611 # output through when the number of lines is wrong.
616 error "bug in the test script: not 3 parameters to test_line_count"
617 elif ! test $(wc -l <"$3") "$1" "$2"
619 echo "test_line_count: line count for $3 !$1 $2"
625 # Returns success if a comma separated string of keywords ($1) contains a
626 # given keyword ($2).
628 # `list_contains "foo,bar" bar` returns 0
629 # `list_contains "foo" bar` returns 1
640 # This is not among top-level (test_expect_success | test_expect_failure)
641 # but is a prefix that can be used in the test script, like:
643 # test_expect_success 'complain and die' '
645 # do something else &&
646 # test_must_fail git checkout ../outerspace
649 # Writing this as "! git checkout ../outerspace" is wrong, because
650 # the failure could be due to a segv. We want a controlled failure.
652 # Accepts the following options:
654 # ok=<signal-name>[,<...>]:
655 # Don't treat an exit caused by the given signal as error.
656 # Multiple signals can be specified as a comma separated list.
657 # Currently recognized signal names are: sigpipe, success.
658 # (Don't use 'success', use 'test_might_fail' instead.)
672 if test $exit_code -eq 0 && ! list_contains "$_test_ok" success
674 echo >&4 "test_must_fail: command succeeded: $*"
676 elif test_match_signal 13 $exit_code && list_contains "$_test_ok" sigpipe
679 elif test $exit_code -gt 129 && test $exit_code -le 192
681 echo >&4 "test_must_fail: died by signal $(($exit_code - 128)): $*"
683 elif test $exit_code -eq 127
685 echo >&4 "test_must_fail: command not found: $*"
687 elif test $exit_code -eq 126
689 echo >&4 "test_must_fail: valgrind error: $*"
695 # Similar to test_must_fail, but tolerates success, too. This is
696 # meant to be used in contexts like:
698 # test_expect_success 'some command works without configuration' '
699 # test_might_fail git config --unset all.configuration &&
703 # Writing "git config --unset all.configuration || :" would be wrong,
704 # because we want to notice if it fails due to segv.
706 # Accepts the same options as test_must_fail.
709 test_must_fail ok=success "$@" 2>&7
712 # Similar to test_must_fail and test_might_fail, but check that a
713 # given command exited with a given exit code. Meant to be used as:
715 # test_expect_success 'Merge with d/f conflicts' '
716 # test_expect_code 1 git merge "merge msg" B master
719 test_expect_code () {
724 if test $exit_code = $want_code
729 echo >&4 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
733 # test_cmp is a helper function to compare actual and expected output.
734 # You can use it like:
736 # test_expect_success 'foo works' '
737 # echo expected >expected &&
739 # test_cmp expected actual
742 # This could be written as either "cmp" or "diff -u", but:
743 # - cmp's output is not nearly as easy to read as diff -u
744 # - not all diff versions understand "-u"
750 # Check that the given config key has the expected value.
752 # test_cmp_config [-C <dir>] <expected-value>
753 # [<git-config-options>...] <config-key>
755 # for example to check that the value of core.bar is foo
757 # test_cmp_config foo core.bar
767 printf "%s\n" "$1" >expect.config &&
769 git $GD config "$@" >actual.config &&
770 test_cmp expect.config actual.config
773 # test_cmp_bin - helper to compare binary files
779 # Use this instead of test_cmp to compare files that contain expected and
780 # actual output from git commands that can be translated. When running
781 # under GETTEXT_POISON this pretends that the command produced expected
784 test -n "$GETTEXT_POISON" || test_cmp "$@"
787 # Use this instead of "grep expected-string actual" to see if the
788 # output from a git command that can be translated either contains an
789 # expected string, or does not contain an unwanted one. When running
790 # under GETTEXT_POISON this pretends that the command produced expected
793 eval "last_arg=\${$#}"
795 test -f "$last_arg" ||
796 error "bug in the test script: test_i18ngrep requires a file" \
797 "to read as the last parameter"
800 { test "x!" = "x$1" && test $# -lt 3 ; }
802 error "bug in the test script: too few parameters to test_i18ngrep"
805 if test -n "$GETTEXT_POISON"
814 ! grep "$@" && return 0
816 echo >&4 "error: '! grep $@' did find a match in:"
818 grep "$@" && return 0
820 echo >&4 "error: 'grep $@' didn't find a match in:"
823 if test -s "$last_arg"
827 echo >&4 "<File '$last_arg' is empty>"
833 # Call any command "$@" but be more verbose about its
834 # failure. This is handy for commands like "test" which do
835 # not output anything when they fail.
838 echo >&4 "command failed: $(git rev-parse --sq-quote "$@")"
842 # Check if the file expected to be empty is indeed empty, and barfs
845 test_must_be_empty () {
846 test_path_is_file "$1" &&
849 echo "'$1' is not empty, it contains:"
855 # Tests that its two parameters refer to the same revision
857 git rev-parse --verify "$1" >expect.rev &&
858 git rev-parse --verify "$2" >actual.rev &&
859 test_cmp expect.rev actual.rev
862 # Print a sequence of integers in increasing order, either with
863 # two arguments (start and end):
865 # test_seq 1 5 -- outputs 1 2 3 4 5 one line at a time
867 # or with one argument (end), in which case it starts counting
874 *) error "bug in the test script: not 1 or 2 parameters to test_seq" ;;
876 test_seq_counter__=$1
877 while test "$test_seq_counter__" -le "$2"
879 echo "$test_seq_counter__"
880 test_seq_counter__=$(( $test_seq_counter__ + 1 ))
884 # This function can be used to schedule some commands to be run
885 # unconditionally at the end of the test to restore sanity:
887 # test_expect_success 'test core.capslock' '
888 # git config core.capslock true &&
889 # test_when_finished "git config --unset core.capslock" &&
893 # That would be roughly equivalent to
895 # test_expect_success 'test core.capslock' '
896 # git config core.capslock true &&
898 # git config --unset core.capslock
901 # except that the greeting and config --unset must both succeed for
904 # Note that under --immediate mode, no clean-up is done to help diagnose
907 test_when_finished () {
908 # We cannot detect when we are in a subshell in general, but by
909 # doing so on Bash is better than nothing (the test will
910 # silently pass on other shells).
911 test "${BASH_SUBSHELL-0}" = 0 ||
912 error "bug in test script: test_when_finished does nothing in a subshell"
914 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
917 # Most tests can use the created repository, but some may need to create more.
918 # Usage: test_create_repo <directory>
919 test_create_repo () {
921 error "bug in the test script: not 1 parameter to test-create-repo"
925 cd "$repo" || error "Cannot setup test environment"
926 "$GIT_EXEC_PATH/git-init" "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
927 error "cannot run git init -- have you built things yet?"
928 mv .git/hooks .git/hooks-disabled
932 # This function helps on symlink challenged file systems when it is not
933 # important that the file system entry is a symbolic link.
934 # Use test_ln_s_add instead of "ln -s x y && git add y" to add a
935 # symbolic link entry y to the index.
938 if test_have_prereq SYMLINKS
941 git update-index --add "$2"
943 printf '%s' "$1" >"$2" &&
944 ln_s_obj=$(git hash-object -w "$2") &&
945 git update-index --add --cacheinfo 120000 $ln_s_obj "$2" &&
946 # pick up stat info from the file
947 git update-index "$2"
951 # This function writes out its parameters, one per line
952 test_write_lines () {
957 command "$PERL_PATH" "$@" 2>&7
960 # Is the value one of the various ways to spell a boolean true/false?
961 test_normalize_bool () {
962 git -c magic.variable="$1" config --bool magic.variable 2>/dev/null
965 # Given a variable $1, normalize the value of it to one of "true",
966 # "false", or "auto" and store the result to it.
968 # test_tristate GIT_TEST_HTTPD
970 # A variable set to an empty string is set to 'false'.
971 # A variable set to 'false' or 'auto' keeps its value.
972 # Anything else is set to 'true'.
973 # An unset variable defaults to 'auto'.
975 # The last rule is to allow people to set the variable to an empty
976 # string and export it to decline testing the particular feature
977 # for versions both before and after this change. We used to treat
978 # both unset and empty variable as a signal for "do not test" and
979 # took any non-empty string as "please test".
982 if eval "test x\"\${$1+isset}\" = xisset"
989 *) $1=\$(test_normalize_bool \$$1 || echo true) ;;
997 # Exit the test suite, either by skipping all remaining tests or by
998 # exiting with an error. If "$1" is "auto", we then we assume we were
999 # opportunistically trying to set up some tests and we skip. If it is
1000 # "true", then we report a failure.
1002 # The error/skip message should be given by $2.
1004 test_skip_or_die () {
1014 error "BUG: test tristate is '$1' (real error: $2)"
1018 # The following mingw_* functions obey POSIX shell syntax, but are actually
1019 # bash scripts, and are meant to be used only with bash on Windows.
1021 # A test_cmp function that treats LF and CRLF equal and avoids to fork
1022 # diff when possible.
1024 # Read text into shell variables and compare them. If the results
1025 # are different, use regular diff to report the difference.
1026 local test_cmp_a= test_cmp_b=
1028 # When text came from stdin (one argument is '-') we must feed it
1030 local stdin_for_diff=
1032 # Since it is difficult to detect the difference between an
1033 # empty input file and a failure to read the files, we go straight
1034 # to diff if one of the inputs is empty.
1035 if test -s "$1" && test -s "$2"
1037 # regular case: both files non-empty
1038 mingw_read_file_strip_cr_ test_cmp_a <"$1"
1039 mingw_read_file_strip_cr_ test_cmp_b <"$2"
1040 elif test -s "$1" && test "$2" = -
1042 # read 2nd file from stdin
1043 mingw_read_file_strip_cr_ test_cmp_a <"$1"
1044 mingw_read_file_strip_cr_ test_cmp_b
1045 stdin_for_diff='<<<"$test_cmp_b"'
1046 elif test "$1" = - && test -s "$2"
1048 # read 1st file from stdin
1049 mingw_read_file_strip_cr_ test_cmp_a
1050 mingw_read_file_strip_cr_ test_cmp_b <"$2"
1051 stdin_for_diff='<<<"$test_cmp_a"'
1053 test -n "$test_cmp_a" &&
1054 test -n "$test_cmp_b" &&
1055 test "$test_cmp_a" = "$test_cmp_b" ||
1056 eval "diff -u \"\$@\" $stdin_for_diff"
1059 # $1 is the name of the shell variable to fill in
1060 mingw_read_file_strip_cr_ () {
1061 # Read line-wise using LF as the line separator
1062 # and use IFS to strip CR.
1066 if IFS=$'\r' read -r -d $'\n' line
1071 # we get here at EOF, but also if the last line
1072 # was not terminated by LF; in the latter case,
1073 # some text was read
1080 eval "$1=\$$1\$line"
1084 # Like "env FOO=BAR some-program", but run inside a subshell, which means
1085 # it also works for shell functions (though those functions cannot impact
1086 # the environment outside of the test_env invocation).
1093 eval "${1%%=*}=\${1#*=}"
1094 eval "export ${1%%=*}"
1106 # Returns true if the numeric exit code in "$2" represents the expected signal
1107 # in "$1". Signals should be given numerically.
1108 test_match_signal () {
1109 if test "$2" = "$((128 + $1))"
1113 elif test "$2" = "$((256 + $1))"
1121 # Read up to "$1" bytes (or to EOF) from stdin and write them to stdout.
1122 test_copy_bytes () {
1127 my $nread = sysread(STDIN, $s, $len);
1128 die "cannot read: $!" unless defined($nread);
1136 # run "$@" inside a non-git directory
1143 GIT_CEILING_DIRECTORIES=$(pwd) &&
1144 export GIT_CEILING_DIRECTORIES &&
1150 # convert stdin to pktline representation; note that empty input becomes an
1151 # empty packet, not a flush packet (for that you can just print 0000 yourself).
1153 cat >packetize.tmp &&
1154 len=$(wc -c <packetize.tmp) &&
1155 printf '%04x%s' "$(($len + 4))" &&
1156 cat packetize.tmp &&
1160 # Parse the input as a series of pktlines, writing the result to stdout.
1161 # Sideband markers are removed automatically, and the output is routed to
1162 # stderr if appropriate.
1164 # NUL bytes are converted to "\\0" for ease of parsing with text tools.
1167 while (read(STDIN, $len, 4) == 4) {
1168 if ($len eq "0000") {
1171 read(STDIN, $buf, hex($len) - 4);
1173 if ($buf =~ s/^[\x2\x3]//) {
1184 # Set the hash algorithm in use to $1. Only useful when testing the testsuite.
1189 # Detect the hash algorithm in use.
1190 test_detect_hash () {
1191 # Currently we only support SHA-1, but in the future this function will
1192 # actually detect the algorithm in use.
1193 test_hash_algo='sha1'
1196 # Load common hash metadata and common placeholder object IDs for use with
1199 test -n "$test_hash_algo" || test_detect_hash &&
1200 test_oid_cache <"$TEST_DIRECTORY/oid-info/hash-info" &&
1201 test_oid_cache <"$TEST_DIRECTORY/oid-info/oid"
1204 # Load key-value pairs from stdin suitable for use with test_oid. Blank lines
1205 # and lines starting with "#" are ignored. Keys must be shell identifier
1212 local tag rest k v &&
1214 { test -n "$test_hash_algo" || test_detect_hash; } &&
1231 if ! expr "$k" : '[a-z0-9][a-z0-9]*$' >/dev/null
1233 error 'bug in the test script: bad hash algorithm'
1235 eval "test_oid_${k}_$tag=\"\$v\""
1239 # Look up a per-hash value based on a key ($1). The value must have been loaded
1240 # by test_oid_init or test_oid_cache.
1242 local var="test_oid_${test_hash_algo}_$1" &&
1244 # If the variable is unset, we must be missing an entry for this
1245 # key-hash pair, so exit with an error.
1246 if eval "test -z \"\${$var+set}\""
1248 error "bug in the test script: undefined key '$1'" >&2
1250 eval "printf '%s' \"\${$var}\""