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_decode_color () {
38 if (n == 0) return "RESET";
39 if (n == 1) return "BOLD";
40 if (n == 2) return "FAINT";
41 if (n == 3) return "ITALIC";
42 if (n == 7) return "REVERSE";
43 if (n == 30) return "BLACK";
44 if (n == 31) return "RED";
45 if (n == 32) return "GREEN";
46 if (n == 33) return "YELLOW";
47 if (n == 34) return "BLUE";
48 if (n == 35) return "MAGENTA";
49 if (n == 36) return "CYAN";
50 if (n == 37) return "WHITE";
51 if (n == 40) return "BLACK";
52 if (n == 41) return "BRED";
53 if (n == 42) return "BGREEN";
54 if (n == 43) return "BYELLOW";
55 if (n == 44) return "BBLUE";
56 if (n == 45) return "BMAGENTA";
57 if (n == 46) return "BCYAN";
58 if (n == 47) return "BWHITE";
61 while (match($0, /\033\[[0-9;]*m/) != 0) {
62 printf "%s<", substr($0, 1, RSTART-1);
63 codes = substr($0, RSTART+2, RLENGTH-3);
64 if (length(codes) == 0)
67 n = split(codes, ary, ";");
69 for (i = 1; i <= n; i++) {
70 printf "%s%s", sep, name(ary[i]);
75 $0 = substr($0, RSTART + RLENGTH, length($0) - RSTART - RLENGTH + 1);
83 perl -pe 'y/\012/\000/'
107 sed -e 's/$/Q/' | tr Q '\015'
111 tr '\015' Q | sed -e 's/Q$//'
114 # In some bourne shell implementations, the "unset" builtin returns
115 # nonzero status when a variable to be unset was not set in the first
118 # Use sane_unset when that should not be considered an error.
126 if test -z "${test_tick+set}"
130 test_tick=$(($test_tick + 60))
132 GIT_COMMITTER_DATE="$test_tick -0700"
133 GIT_AUTHOR_DATE="$test_tick -0700"
134 export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
137 # Stop execution and start a shell. This is useful for debugging tests.
139 # Be sure to remove all invocations of this command before submitting.
142 "$SHELL_PATH" <&6 >&5 2>&7
145 # Wrap git with a debugger. Adding this to a command can make it easier
146 # to understand what is going on in a failing test.
149 # debug git checkout master
150 # debug --debugger=nemiver git $ARGS
151 # debug -d "valgrind --tool=memcheck --track-origins=yes" git $ARGS
159 GIT_DEBUGGER="${1#*=}" &&
166 GIT_DEBUGGER="${GIT_DEBUGGER}" "$@" <&6 >&5 2>&7
169 # Usage: test_commit [options] <message> [<file> [<contents> [<tag>]]]
171 # Run all git commands in directory <dir>
173 # Do not call test_tick before making a commit
175 # Use "echo >>" instead of "echo >" when writing "<contents>" to
178 # Invoke "git commit" with --signoff
180 # Invoke "git commit" with --author <author>
182 # This will commit a file with the given contents and the given commit
183 # message, and tag the resulting commit with the given tag name.
185 # <file>, <contents>, and <tag> all default to <message>.
212 GIT_COMMITTER_DATE="$2"
229 indir=${indir:+"$indir"/} &&
233 echo "${3-$1}" >>"$indir$file"
235 echo "${3-$1}" >"$indir$file"
237 git ${indir:+ -C "$indir"} add "$file" &&
242 git ${indir:+ -C "$indir"} commit \
243 ${author:+ --author "$author"} \
247 git ${indir:+ -C "$indir"} tag "${4:-$1}"
251 # Call test_merge with the arguments "<message> <commit>", where <commit>
252 # can be a tag pointing to the commit-to-merge.
258 git merge -m "$label" "$@" &&
262 # Efficiently create <nr> commits, each with a unique number (from 1 to <nr>
263 # by default) in the commit message.
265 # Usage: test_commit_bulk [options] <nr>
267 # Run all git commands in directory <dir>
269 # ref on which to create commits (default: HEAD)
271 # number commit messages from <n> (default: 1)
273 # use <msg> as the commit mesasge (default: "commit %s")
275 # modify <fn> in each commit (default: %s.t)
276 # --contents=<string>:
277 # place <string> in each file (default: "content %s")
279 # shorthand to use <string> and %s in message, filename, and contents
281 # The message, filename, and contents strings are evaluated by printf, with the
282 # first "%s" replaced by the current commit number. So you can do:
284 # test_commit_bulk --filename=file --contents="modification %s"
286 # to have every commit touch the same file, but with unique content.
288 test_commit_bulk () {
289 tmpfile=.bulk-commit.input
295 contents='content %s'
319 message="${1#--*=} %s"
320 filename="${1#--*=}-%s.t"
321 contents="${1#--*=} %s"
324 BUG "invalid test_commit_bulk option: $1"
335 if git -C "$indir" rev-parse --quiet --verify "$ref"
340 while test "$total" -gt 0
344 printf 'author %s <%s> %s\n' \
346 "$GIT_AUTHOR_EMAIL" \
348 printf 'committer %s <%s> %s\n' \
349 "$GIT_COMMITTER_NAME" \
350 "$GIT_COMMITTER_EMAIL" \
351 "$GIT_COMMITTER_DATE"
353 printf "$message\n" $n
355 if test -n "$add_from"
360 printf "M 644 inline $filename\n" $n
362 printf "$contents\n" $n
370 -c fastimport.unpacklimit=0 \
371 fast-import <"$tmpfile" || return 1
373 # This will be left in place on failure, which may aid debugging.
376 # If we updated HEAD, then be nice and update the index and working
378 if test "$ref" = "HEAD"
380 git -C "$indir" checkout -f HEAD || return 1
385 # This function helps systems where core.filemode=false is set.
386 # Use it instead of plain 'chmod +x' to set or unset the executable bit
387 # of a file in the working directory and add it to the index.
391 git update-index --add "--chmod=$@"
394 # Get the modebits from a file or directory, ignoring the setgid bit (g+s).
395 # This bit is inherited by subdirectories at their creation. So we remove it
396 # from the returning string to prevent callers from having to worry about the
397 # state of the bit in the test directory.
400 ls -ld "$1" | sed -e 's|^\(..........\).*|\1|' \
401 -e 's|^\(......\)S|\1-|' -e 's|^\(......\)s|\1x|'
404 # Unset a configuration variable, but don't fail if it doesn't exist.
413 git ${config_dir:+-C "$config_dir"} config --unset-all "$@"
415 case "$config_status" in
416 5) # ok, nothing to unset
420 return $config_status
423 # Set git config, automatically unsetting it after the test is over.
432 test_when_finished "test_unconfig ${config_dir:+-C '$config_dir'} '$1'" &&
433 git ${config_dir:+-C "$config_dir"} config "$@"
436 test_config_global () {
437 test_when_finished "test_unconfig --global '$1'" &&
438 git config --global "$@"
443 echo "#!${2-"$SHELL_PATH"}" &&
449 # Use test_set_prereq to tell that a particular prerequisite is available.
450 # The prerequisite can later be checked for in two ways:
452 # - Explicitly using test_have_prereq.
454 # - Implicitly by specifying the prerequisite tag in the calls to
455 # test_expect_{success,failure} and test_external{,_without_stderr}.
457 # The single parameter is the prerequisite tag (a simple word, in all
458 # capital letters by convention).
460 test_unset_prereq () {
461 ! test_have_prereq "$1" ||
462 satisfied_prereq="${satisfied_prereq% $1 *} ${satisfied_prereq#* $1 }"
466 if test -n "$GIT_TEST_FAIL_PREREQS_INTERNAL"
469 # The "!" case is handled below with
470 # test_unset_prereq()
473 # (Temporary?) whitelist of things we can't easily
474 # pretend not to support
477 # Inspecting whether GIT_TEST_FAIL_PREREQS is on
478 # should be unaffected.
488 test_unset_prereq "${1#!}"
491 satisfied_prereq="$satisfied_prereq$1 "
496 lazily_testable_prereq= lazily_tested_prereq=
498 # Usage: test_lazy_prereq PREREQ 'script'
499 test_lazy_prereq () {
500 lazily_testable_prereq="$lazily_testable_prereq$1 "
501 eval test_prereq_lazily_$1=\$2
504 test_run_lazy_prereq_ () {
506 mkdir -p "$TRASH_DIRECTORY/prereq-test-dir-'"$1"'" &&
508 cd "$TRASH_DIRECTORY/prereq-test-dir-'"$1"'" &&'"$2"'
510 say >&3 "checking prerequisite: $1"
514 rm -rf "$TRASH_DIRECTORY/prereq-test-dir-$1"
515 if test "$eval_ret" = 0; then
516 say >&3 "prerequisite $1 ok"
518 say >&3 "prerequisite $1 not satisfied"
523 test_have_prereq () {
524 # prerequisites can be concatenated with ','
536 case "$prerequisite" in
539 prerequisite=${prerequisite#!}
545 case " $lazily_tested_prereq " in
549 case " $lazily_testable_prereq " in
551 eval "script=\$test_prereq_lazily_$prerequisite" &&
552 if test_run_lazy_prereq_ "$prerequisite" "$script"
554 test_set_prereq $prerequisite
556 lazily_tested_prereq="$lazily_tested_prereq$prerequisite "
561 total_prereq=$(($total_prereq + 1))
562 case "$satisfied_prereq" in
564 satisfied_this_prereq=t
567 satisfied_this_prereq=
570 case "$satisfied_this_prereq,$negative_prereq" in
572 ok_prereq=$(($ok_prereq + 1))
575 # Keep a list of missing prerequisites; restore
576 # the negative marker if necessary.
577 prerequisite=${negative_prereq:+!}$prerequisite
578 if test -z "$missing_prereq"
580 missing_prereq=$prerequisite
582 missing_prereq="$prerequisite,$missing_prereq"
587 test $total_prereq = $ok_prereq
590 test_declared_prereq () {
591 case ",$test_prereq," in
599 test_verify_prereq () {
600 test -z "$test_prereq" ||
601 expr >/dev/null "$test_prereq" : '[A-Z0-9_,!]*$' ||
602 BUG "'$test_prereq' does not look like a prereq"
605 test_expect_failure () {
607 test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
609 BUG "not 2 or 3 parameters to test-expect-failure"
614 say >&3 "checking known breakage of $TEST_NUMBER.$test_count '$1': $2"
615 if test_run_ "$2" expecting_failure
617 test_known_broken_ok_ "$1"
619 test_known_broken_failure_ "$1"
625 test_expect_success () {
627 test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
629 BUG "not 2 or 3 parameters to test-expect-success"
634 say >&3 "expecting success of $TEST_NUMBER.$test_count '$1': $2"
645 # test_external runs external test scripts that provide continuous
646 # test output about their progress, and succeeds/fails on
647 # zero/non-zero exit code. It outputs the test output on stdout even
648 # in non-verbose mode, and announces the external script with "# run
649 # <n>: ..." before running it. When providing relative paths, keep in
650 # mind that all scripts run in "trash directory".
651 # Usage: test_external description command arguments...
652 # Example: test_external 'Perl API' perl ../path/to/test.pl
654 test "$#" = 4 && { test_prereq=$1; shift; } || test_prereq=
656 BUG "not 3 or 4 parameters to test_external"
661 if ! test_skip "$descr" "$@"
663 # Announce the script to reduce confusion about the
664 # test output that follows.
665 say_color "" "# run $test_count: $descr ($*)"
666 # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
667 # to be able to use them in script
668 export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
669 # Run command; redirect its stderr to &4 as in
670 # test_run_, but keep its stdout on our stdout even in
675 if test $test_external_has_tap -eq 0; then
678 say_color "" "# test_external test $descr was ok"
679 test_success=$(($test_success + 1))
682 if test $test_external_has_tap -eq 0; then
683 test_failure_ "$descr" "$@"
685 say_color error "# test_external test $descr failed: $@"
686 test_failure=$(($test_failure + 1))
692 # Like test_external, but in addition tests that the command generated
693 # no output on stderr.
694 test_external_without_stderr () {
695 # The temporary file has no (and must have no) security
698 stderr="$tmp/git-external-stderr.$$.tmp"
699 test_external "$@" 4> "$stderr"
700 test -f "$stderr" || error "Internal error: $stderr disappeared."
701 descr="no stderr: $1"
703 say >&3 "# expecting no stderr from previous command"
704 if test ! -s "$stderr"
708 if test $test_external_has_tap -eq 0; then
711 say_color "" "# test_external_without_stderr test $descr was ok"
712 test_success=$(($test_success + 1))
715 if test "$verbose" = t
717 output=$(echo; echo "# Stderr is:"; cat "$stderr")
721 # rm first in case test_failure exits.
723 if test $test_external_has_tap -eq 0; then
724 test_failure_ "$descr" "$@" "$output"
726 say_color error "# test_external_without_stderr test $descr failed: $@: $output"
727 test_failure=$(($test_failure + 1))
732 # debugging-friendly alternatives to "test [-f|-d|-e]"
733 # The commands test the existence or non-existence of $1
734 test_path_is_file () {
735 test "$#" -ne 1 && BUG "1 param"
738 echo "File $1 doesn't exist"
743 test_path_is_dir () {
744 test "$#" -ne 1 && BUG "1 param"
747 echo "Directory $1 doesn't exist"
752 test_path_exists () {
753 test "$#" -ne 1 && BUG "1 param"
756 echo "Path $1 doesn't exist"
761 # Check if the directory exists and is empty as expected, barf otherwise.
762 test_dir_is_empty () {
763 test "$#" -ne 1 && BUG "1 param"
764 test_path_is_dir "$1" &&
765 if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')"
767 echo "Directory '$1' is not empty, it contains:"
773 # Check if the file exists and has a size greater than zero
774 test_file_not_empty () {
775 test "$#" = 2 && BUG "2 param"
778 echo "'$1' is not a non-empty file."
783 test_path_is_missing () {
784 test "$#" -ne 1 && BUG "1 param"
797 # test_line_count checks that a file has the number of lines it
798 # ought to. For example:
800 # test_expect_success 'produce exactly one line of output' '
801 # do something >output &&
802 # test_line_count = 1 output
805 # is like "test $(wc -l <output) = 1" except that it passes the
806 # output through when the number of lines is wrong.
811 BUG "not 3 parameters to test_line_count"
812 elif ! test $(wc -l <"$3") "$1" "$2"
814 echo "test_line_count: line count for $3 !$1 $2"
821 test "$#" -ne 1 && BUG "1 param"
822 test-tool path-utils file-size "$1"
825 # Returns success if a comma separated string of keywords ($1) contains a
826 # given keyword ($2).
828 # `list_contains "foo,bar" bar` returns 0
829 # `list_contains "foo" bar` returns 1
840 # Returns success if the arguments indicate that a command should be
841 # accepted by test_must_fail(). If the command is run with env, the env
842 # and its corresponding variable settings will be stripped before we
843 # test the command being run.
844 test_must_fail_acceptable () {
862 git|__git*|test-tool|test_terminal)
871 # This is not among top-level (test_expect_success | test_expect_failure)
872 # but is a prefix that can be used in the test script, like:
874 # test_expect_success 'complain and die' '
876 # do something else &&
877 # test_must_fail git checkout ../outerspace
880 # Writing this as "! git checkout ../outerspace" is wrong, because
881 # the failure could be due to a segv. We want a controlled failure.
883 # Accepts the following options:
885 # ok=<signal-name>[,<...>]:
886 # Don't treat an exit caused by the given signal as error.
887 # Multiple signals can be specified as a comma separated list.
888 # Currently recognized signal names are: sigpipe, success.
889 # (Don't use 'success', use 'test_might_fail' instead.)
891 # Do not use this to run anything but "git" and other specific testable
892 # commands (see test_must_fail_acceptable()). We are not in the
893 # business of vetting system supplied commands -- in other words, this
896 # test_must_fail grep pattern output
900 # ! grep pattern output
912 if ! test_must_fail_acceptable "$@"
914 echo >&7 "test_must_fail: only 'git' is allowed: $*"
919 if test $exit_code -eq 0 && ! list_contains "$_test_ok" success
921 echo >&4 "test_must_fail: command succeeded: $*"
923 elif test_match_signal 13 $exit_code && list_contains "$_test_ok" sigpipe
926 elif test $exit_code -gt 129 && test $exit_code -le 192
928 echo >&4 "test_must_fail: died by signal $(($exit_code - 128)): $*"
930 elif test $exit_code -eq 127
932 echo >&4 "test_must_fail: command not found: $*"
934 elif test $exit_code -eq 126
936 echo >&4 "test_must_fail: valgrind error: $*"
942 # Similar to test_must_fail, but tolerates success, too. This is
943 # meant to be used in contexts like:
945 # test_expect_success 'some command works without configuration' '
946 # test_might_fail git config --unset all.configuration &&
950 # Writing "git config --unset all.configuration || :" would be wrong,
951 # because we want to notice if it fails due to segv.
953 # Accepts the same options as test_must_fail.
956 test_must_fail ok=success "$@" 2>&7
959 # Similar to test_must_fail and test_might_fail, but check that a
960 # given command exited with a given exit code. Meant to be used as:
962 # test_expect_success 'Merge with d/f conflicts' '
963 # test_expect_code 1 git merge "merge msg" B master
966 test_expect_code () {
971 if test $exit_code = $want_code
976 echo >&4 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
980 # test_cmp is a helper function to compare actual and expected output.
981 # You can use it like:
983 # test_expect_success 'foo works' '
984 # echo expected >expected &&
986 # test_cmp expected actual
989 # This could be written as either "cmp" or "diff -u", but:
990 # - cmp's output is not nearly as easy to read as diff -u
991 # - not all diff versions understand "-u"
994 test "$#" -ne 2 && BUG "2 param"
995 eval "$GIT_TEST_CMP" '"$@"'
998 # Check that the given config key has the expected value.
1000 # test_cmp_config [-C <dir>] <expected-value>
1001 # [<git-config-options>...] <config-key>
1003 # for example to check that the value of core.bar is foo
1005 # test_cmp_config foo core.bar
1007 test_cmp_config () {
1015 printf "%s\n" "$1" >expect.config &&
1017 git $GD config "$@" >actual.config &&
1018 test_cmp expect.config actual.config
1021 # test_cmp_bin - helper to compare binary files
1024 test "$#" -ne 2 && BUG "2 param"
1028 # Wrapper for test_cmp which used to be used for
1029 # GIT_TEST_GETTEXT_POISON=false. Only here as a shim for other
1030 # in-flight changes. Should not be used and will be removed soon.
1035 # Wrapper for grep which used to be used for
1036 # GIT_TEST_GETTEXT_POISON=false. Only here as a shim for other
1037 # in-flight changes. Should not be used and will be removed soon.
1039 eval "last_arg=\${$#}"
1041 test -f "$last_arg" ||
1042 BUG "test_i18ngrep requires a file to read as the last parameter"
1045 { test "x!" = "x$1" && test $# -lt 3 ; }
1047 BUG "too few parameters to test_i18ngrep"
1050 if test "x!" = "x$1"
1053 ! grep "$@" && return 0
1055 echo >&4 "error: '! grep $@' did find a match in:"
1057 grep "$@" && return 0
1059 echo >&4 "error: 'grep $@' didn't find a match in:"
1062 if test -s "$last_arg"
1066 echo >&4 "<File '$last_arg' is empty>"
1072 # Call any command "$@" but be more verbose about its
1073 # failure. This is handy for commands like "test" which do
1074 # not output anything when they fail.
1077 echo >&4 "command failed: $(git rev-parse --sq-quote "$@")"
1081 # Check if the file expected to be empty is indeed empty, and barfs
1084 test_must_be_empty () {
1085 test "$#" -ne 1 && BUG "1 param"
1086 test_path_is_file "$1" &&
1089 echo "'$1' is not empty, it contains:"
1095 # Tests that its two parameters refer to the same revision, or if '!' is
1096 # provided first, that its other two parameters refer to different
1099 local op='=' wrong_result=different
1101 if test $# -ge 1 && test "x$1" = 'x!'
1104 wrong_result='the same'
1109 BUG "test_cmp_rev requires two revisions, but got $#"
1112 r1=$(git rev-parse --verify "$1") &&
1113 r2=$(git rev-parse --verify "$2") || return 1
1115 if ! test "$r1" "$op" "$r2"
1118 error: two revisions point to $wrong_result objects:
1127 # Compare paths respecting core.ignoreCase
1128 test_cmp_fspath () {
1129 if test "x$1" = "x$2"
1134 if test true != "$(git config --get --type=bool core.ignorecase)"
1139 test "x$(echo "$1" | tr A-Z a-z)" = "x$(echo "$2" | tr A-Z a-z)"
1142 # Print a sequence of integers in increasing order, either with
1143 # two arguments (start and end):
1145 # test_seq 1 5 -- outputs 1 2 3 4 5 one line at a time
1147 # or with one argument (end), in which case it starts counting
1154 *) BUG "not 1 or 2 parameters to test_seq" ;;
1156 test_seq_counter__=$1
1157 while test "$test_seq_counter__" -le "$2"
1159 echo "$test_seq_counter__"
1160 test_seq_counter__=$(( $test_seq_counter__ + 1 ))
1164 # This function can be used to schedule some commands to be run
1165 # unconditionally at the end of the test to restore sanity:
1167 # test_expect_success 'test core.capslock' '
1168 # git config core.capslock true &&
1169 # test_when_finished "git config --unset core.capslock" &&
1173 # That would be roughly equivalent to
1175 # test_expect_success 'test core.capslock' '
1176 # git config core.capslock true &&
1178 # git config --unset core.capslock
1181 # except that the greeting and config --unset must both succeed for
1184 # Note that under --immediate mode, no clean-up is done to help diagnose
1187 test_when_finished () {
1188 # We cannot detect when we are in a subshell in general, but by
1189 # doing so on Bash is better than nothing (the test will
1190 # silently pass on other shells).
1191 test "${BASH_SUBSHELL-0}" = 0 ||
1192 BUG "test_when_finished does nothing in a subshell"
1194 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
1197 # This function can be used to schedule some commands to be run
1198 # unconditionally at the end of the test script, e.g. to stop a daemon:
1200 # test_expect_success 'test git daemon' '
1203 # test_atexit 'kill $daemon_pid' &&
1207 # The commands will be executed before the trash directory is removed,
1208 # i.e. the atexit commands will still be able to access any pidfiles or
1211 # Note that these commands will be run even when a test script run
1212 # with '--immediate' fails. Be careful with your atexit commands to
1213 # minimize any changes to the failed state.
1216 # We cannot detect when we are in a subshell in general, but by
1217 # doing so on Bash is better than nothing (the test will
1218 # silently pass on other shells).
1219 test "${BASH_SUBSHELL-0}" = 0 ||
1220 BUG "test_atexit does nothing in a subshell"
1221 test_atexit_cleanup="{ $*
1222 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_atexit_cleanup"
1225 # Most tests can use the created repository, but some may need to create more.
1226 # Usage: test_create_repo <directory>
1227 test_create_repo () {
1229 BUG "not 1 parameter to test-create-repo"
1233 cd "$repo" || error "Cannot setup test environment"
1234 "${GIT_TEST_INSTALLED:-$GIT_EXEC_PATH}/git$X" -c \
1235 init.defaultBranch="${GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME-master}" \
1237 "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
1238 error "cannot run git init -- have you built things yet?"
1239 mv .git/hooks .git/hooks-disabled
1243 # This function helps on symlink challenged file systems when it is not
1244 # important that the file system entry is a symbolic link.
1245 # Use test_ln_s_add instead of "ln -s x y && git add y" to add a
1246 # symbolic link entry y to the index.
1249 if test_have_prereq SYMLINKS
1252 git update-index --add "$2"
1254 printf '%s' "$1" >"$2" &&
1255 ln_s_obj=$(git hash-object -w "$2") &&
1256 git update-index --add --cacheinfo 120000 $ln_s_obj "$2" &&
1257 # pick up stat info from the file
1258 git update-index "$2"
1262 # This function writes out its parameters, one per line
1263 test_write_lines () {
1268 command "$PERL_PATH" "$@" 2>&7
1271 # Given the name of an environment variable with a bool value, normalize
1272 # its value to a 0 (true) or 1 (false or empty string) return code.
1274 # test_bool_env GIT_TEST_HTTPD <default-value>
1276 # Return with code corresponding to the given default value if the variable
1278 # Abort the test script if either the value of the variable or the default
1279 # are not valid bool values.
1284 BUG "test_bool_env requires two parameters (variable name and default value)"
1287 git env--helper --type=bool --default="$2" --exit-code "$1"
1290 0|1) # unset or valid bool value
1292 *) # invalid bool value or something unexpected
1293 error >&7 "test_bool_env requires bool values both for \$$1 and for the default fallback"
1299 # Exit the test suite, either by skipping all remaining tests or by
1300 # exiting with an error. If our prerequisite variable $1 falls back
1301 # on a default assume we were opportunistically trying to set up some
1302 # tests and we skip. If it is explicitly "true", then we report a failure.
1304 # The error/skip message should be given by $2.
1306 test_skip_or_die () {
1307 if ! test_bool_env "$1" false
1315 # The following mingw_* functions obey POSIX shell syntax, but are actually
1316 # bash scripts, and are meant to be used only with bash on Windows.
1318 # A test_cmp function that treats LF and CRLF equal and avoids to fork
1319 # diff when possible.
1321 # Read text into shell variables and compare them. If the results
1322 # are different, use regular diff to report the difference.
1323 local test_cmp_a= test_cmp_b=
1325 # When text came from stdin (one argument is '-') we must feed it
1327 local stdin_for_diff=
1329 # Since it is difficult to detect the difference between an
1330 # empty input file and a failure to read the files, we go straight
1331 # to diff if one of the inputs is empty.
1332 if test -s "$1" && test -s "$2"
1334 # regular case: both files non-empty
1335 mingw_read_file_strip_cr_ test_cmp_a <"$1"
1336 mingw_read_file_strip_cr_ test_cmp_b <"$2"
1337 elif test -s "$1" && test "$2" = -
1339 # read 2nd file from stdin
1340 mingw_read_file_strip_cr_ test_cmp_a <"$1"
1341 mingw_read_file_strip_cr_ test_cmp_b
1342 stdin_for_diff='<<<"$test_cmp_b"'
1343 elif test "$1" = - && test -s "$2"
1345 # read 1st file from stdin
1346 mingw_read_file_strip_cr_ test_cmp_a
1347 mingw_read_file_strip_cr_ test_cmp_b <"$2"
1348 stdin_for_diff='<<<"$test_cmp_a"'
1350 test -n "$test_cmp_a" &&
1351 test -n "$test_cmp_b" &&
1352 test "$test_cmp_a" = "$test_cmp_b" ||
1353 eval "diff -u \"\$@\" $stdin_for_diff"
1356 # $1 is the name of the shell variable to fill in
1357 mingw_read_file_strip_cr_ () {
1358 # Read line-wise using LF as the line separator
1359 # and use IFS to strip CR.
1363 if IFS=$'\r' read -r -d $'\n' line
1368 # we get here at EOF, but also if the last line
1369 # was not terminated by LF; in the latter case,
1370 # some text was read
1377 eval "$1=\$$1\$line"
1381 # Like "env FOO=BAR some-program", but run inside a subshell, which means
1382 # it also works for shell functions (though those functions cannot impact
1383 # the environment outside of the test_env invocation).
1390 eval "${1%%=*}=\${1#*=}"
1391 eval "export ${1%%=*}"
1403 # Returns true if the numeric exit code in "$2" represents the expected signal
1404 # in "$1". Signals should be given numerically.
1405 test_match_signal () {
1406 if test "$2" = "$((128 + $1))"
1410 elif test "$2" = "$((256 + $1))"
1418 # Read up to "$1" bytes (or to EOF) from stdin and write them to stdout.
1419 test_copy_bytes () {
1424 my $nread = sysread(STDIN, $s, $len);
1425 die "cannot read: $!" unless defined($nread);
1433 # run "$@" inside a non-git directory
1440 GIT_CEILING_DIRECTORIES=$(pwd) &&
1441 export GIT_CEILING_DIRECTORIES &&
1447 # convert function arguments or stdin (if not arguments given) to pktline
1448 # representation. If multiple arguments are given, they are separated by
1449 # whitespace and put in a single packet. Note that data containing NULs must be
1450 # given on stdin, and that empty input becomes an empty packet, not a flush
1451 # packet (for that you can just print 0000 yourself).
1456 printf '%04x%s' "$((4 + ${#packet}))" "$packet"
1459 my $packet = do { local $/; <STDIN> };
1460 printf "%04x%s", 4 + length($packet), $packet;
1465 # Parse the input as a series of pktlines, writing the result to stdout.
1466 # Sideband markers are removed automatically, and the output is routed to
1467 # stderr if appropriate.
1469 # NUL bytes are converted to "\\0" for ease of parsing with text tools.
1472 while (read(STDIN, $len, 4) == 4) {
1473 if ($len eq "0000") {
1476 read(STDIN, $buf, hex($len) - 4);
1478 if ($buf =~ s/^[\x2\x3]//) {
1489 # Converts base-16 data into base-8. The output is given as a sequence of
1490 # escaped octals, suitable for consumption by 'printf'.
1492 perl -ne 'printf "\\%03o", hex for /../g'
1495 # Set the hash algorithm in use to $1. Only useful when testing the testsuite.
1500 # Detect the hash algorithm in use.
1501 test_detect_hash () {
1502 test_hash_algo="${GIT_TEST_DEFAULT_HASH:-sha1}"
1505 # Load common hash metadata and common placeholder object IDs for use with
1508 test -n "$test_hash_algo" || test_detect_hash &&
1509 test_oid_cache <"$TEST_DIRECTORY/oid-info/hash-info" &&
1510 test_oid_cache <"$TEST_DIRECTORY/oid-info/oid"
1513 # Load key-value pairs from stdin suitable for use with test_oid. Blank lines
1514 # and lines starting with "#" are ignored. Keys must be shell identifier
1521 local tag rest k v &&
1523 { test -n "$test_hash_algo" || test_detect_hash; } &&
1540 if ! expr "$k" : '[a-z0-9][a-z0-9]*$' >/dev/null
1542 BUG 'bad hash algorithm'
1544 eval "test_oid_${k}_$tag=\"\$v\""
1548 # Look up a per-hash value based on a key ($1). The value must have been loaded
1549 # by test_oid_init or test_oid_cache.
1551 local algo="${test_hash_algo}" &&
1555 algo="${1#--hash=}" &&
1561 local var="test_oid_${algo}_$1" &&
1563 # If the variable is unset, we must be missing an entry for this
1564 # key-hash pair, so exit with an error.
1565 if eval "test -z \"\${$var+set}\""
1567 BUG "undefined key '$1'"
1569 eval "printf '%s' \"\${$var}\""
1572 # Insert a slash into an object ID so it can be used to reference a location
1573 # under ".git/objects". For example, "deadbeef..." becomes "de/adbeef..".
1574 test_oid_to_path () {
1575 local basename=${1#??}
1576 echo "${1%$basename}/$basename"
1579 # Choose a port number based on the test script's number and store it in
1580 # the given variable name, unless that variable already contains a number.
1584 if test $# -ne 1 || test -z "$var"
1586 BUG "test_set_port requires a variable name"
1592 # No port is set in the given env var, use the test
1593 # number as port number instead.
1594 # Remove not only the leading 't', but all leading zeros
1595 # as well, so the arithmetic below won't (mis)interpret
1596 # a test number like '0123' as an octal value.
1597 port=${this_test#${this_test%%[1-9]*}}
1598 if test "${port:-0}" -lt 1024
1600 # root-only port, use a larger one instead.
1601 port=$(($port + 10000))
1605 error >&7 "invalid port number: $port"
1608 # The user has specified the port.
1612 # Make sure that parallel '--stress' test jobs get different
1614 port=$(($port + ${GIT_TEST_STRESS_JOB_NR:-0}))
1618 # Tests for the hidden file attribute on Windows
1619 test_path_is_hidden () {
1620 test_have_prereq MINGW ||
1621 BUG "test_path_is_hidden can only be used on Windows"
1623 # Use the output of `attrib`, ignore the absolute path
1624 case "$("$SYSTEMROOT"/system32/attrib "$1")" in *H*?:*) return 0;; esac
1628 # Check that the given command was invoked as part of the
1629 # trace2-format trace on stdin.
1631 # test_subcommand [!] <command> <args>... < <trace>
1633 # For example, to look for an invocation of "git upload-pack
1636 # GIT_TRACE2_EVENT=event.log git fetch ... &&
1637 # test_subcommand git upload-pack "$PATH" <event.log
1639 # If the first parameter passed is !, this instead checks that
1640 # the given command was not called.
1642 test_subcommand () {
1650 local expr=$(printf '"%s",' "$@")
1653 if test -n "$negate"
1661 # Check that the given command was invoked as part of the
1662 # trace2-format trace on stdin.
1664 # test_region [!] <category> <label> git <command> <args>...
1666 # For example, to look for trace2_region_enter("index", "do_read_index", repo)
1667 # in an invocation of "git checkout HEAD~1", run
1669 # GIT_TRACE2_EVENT="$(pwd)/trace.txt" GIT_TRACE2_EVENT_NESTING=10 \
1670 # git checkout HEAD~1 &&
1671 # test_region index do_read_index <trace.txt
1673 # If the first parameter passed is !, this instead checks that
1674 # the given region was not entered.
1684 grep -e '"region_enter".*"category":"'"$1"'","label":"'"$2"\" "$3"
1687 if test $exitcode != $expect_exit
1692 grep -e '"region_leave".*"category":"'"$1"'","label":"'"$2"\" "$3"
1695 if test $exitcode != $expect_exit