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 ">>" instead of ">" when writing "<contents>" to "<file>"
177 # Invoke "git commit" with --signoff
179 # Invoke "git commit" with --author <author>
181 # Do not tag the resulting commit
183 # This will commit a file with the given contents and the given commit
184 # message, and tag the resulting commit with the given tag name.
186 # <file>, <contents>, and <tag> all default to <message>.
213 GIT_COMMITTER_DATE="$2"
230 indir=${indir:+"$indir"/} &&
234 echo "${3-$1}" >>"$indir$file"
236 echo "${3-$1}" >"$indir$file"
238 git ${indir:+ -C "$indir"} add "$file" &&
243 git ${indir:+ -C "$indir"} commit \
244 ${author:+ --author "$author"} \
248 git ${indir:+ -C "$indir"} tag "${4:-$1}"
252 # Call test_merge with the arguments "<message> <commit>", where <commit>
253 # can be a tag pointing to the commit-to-merge.
259 git merge -m "$label" "$@" &&
263 # Efficiently create <nr> commits, each with a unique number (from 1 to <nr>
264 # by default) in the commit message.
266 # Usage: test_commit_bulk [options] <nr>
268 # Run all git commands in directory <dir>
270 # ref on which to create commits (default: HEAD)
272 # number commit messages from <n> (default: 1)
274 # use <msg> as the commit mesasge (default: "commit %s")
276 # modify <fn> in each commit (default: %s.t)
277 # --contents=<string>:
278 # place <string> in each file (default: "content %s")
280 # shorthand to use <string> and %s in message, filename, and contents
282 # The message, filename, and contents strings are evaluated by printf, with the
283 # first "%s" replaced by the current commit number. So you can do:
285 # test_commit_bulk --filename=file --contents="modification %s"
287 # to have every commit touch the same file, but with unique content.
289 test_commit_bulk () {
290 tmpfile=.bulk-commit.input
296 contents='content %s'
320 message="${1#--*=} %s"
321 filename="${1#--*=}-%s.t"
322 contents="${1#--*=} %s"
325 BUG "invalid test_commit_bulk option: $1"
336 if git -C "$indir" rev-parse --quiet --verify "$ref"
341 while test "$total" -gt 0
345 printf 'author %s <%s> %s\n' \
347 "$GIT_AUTHOR_EMAIL" \
349 printf 'committer %s <%s> %s\n' \
350 "$GIT_COMMITTER_NAME" \
351 "$GIT_COMMITTER_EMAIL" \
352 "$GIT_COMMITTER_DATE"
354 printf "$message\n" $n
356 if test -n "$add_from"
361 printf "M 644 inline $filename\n" $n
363 printf "$contents\n" $n
371 -c fastimport.unpacklimit=0 \
372 fast-import <"$tmpfile" || return 1
374 # This will be left in place on failure, which may aid debugging.
377 # If we updated HEAD, then be nice and update the index and working
379 if test "$ref" = "HEAD"
381 git -C "$indir" checkout -f HEAD || return 1
386 # This function helps systems where core.filemode=false is set.
387 # Use it instead of plain 'chmod +x' to set or unset the executable bit
388 # of a file in the working directory and add it to the index.
392 git update-index --add "--chmod=$@"
395 # Get the modebits from a file or directory, ignoring the setgid bit (g+s).
396 # This bit is inherited by subdirectories at their creation. So we remove it
397 # from the returning string to prevent callers from having to worry about the
398 # state of the bit in the test directory.
401 ls -ld "$1" | sed -e 's|^\(..........\).*|\1|' \
402 -e 's|^\(......\)S|\1-|' -e 's|^\(......\)s|\1x|'
405 # Unset a configuration variable, but don't fail if it doesn't exist.
414 git ${config_dir:+-C "$config_dir"} config --unset-all "$@"
416 case "$config_status" in
417 5) # ok, nothing to unset
421 return $config_status
424 # Set git config, automatically unsetting it after the test is over.
433 test_when_finished "test_unconfig ${config_dir:+-C '$config_dir'} '$1'" &&
434 git ${config_dir:+-C "$config_dir"} config "$@"
437 test_config_global () {
438 test_when_finished "test_unconfig --global '$1'" &&
439 git config --global "$@"
444 echo "#!${2-"$SHELL_PATH"}" &&
450 # Use test_set_prereq to tell that a particular prerequisite is available.
451 # The prerequisite can later be checked for in two ways:
453 # - Explicitly using test_have_prereq.
455 # - Implicitly by specifying the prerequisite tag in the calls to
456 # test_expect_{success,failure} and test_external{,_without_stderr}.
458 # The single parameter is the prerequisite tag (a simple word, in all
459 # capital letters by convention).
461 test_unset_prereq () {
462 ! test_have_prereq "$1" ||
463 satisfied_prereq="${satisfied_prereq% $1 *} ${satisfied_prereq#* $1 }"
467 if test -n "$GIT_TEST_FAIL_PREREQS_INTERNAL"
470 # The "!" case is handled below with
471 # test_unset_prereq()
474 # (Temporary?) whitelist of things we can't easily
475 # pretend not to support
478 # Inspecting whether GIT_TEST_FAIL_PREREQS is on
479 # should be unaffected.
489 test_unset_prereq "${1#!}"
492 satisfied_prereq="$satisfied_prereq$1 "
497 lazily_testable_prereq= lazily_tested_prereq=
499 # Usage: test_lazy_prereq PREREQ 'script'
500 test_lazy_prereq () {
501 lazily_testable_prereq="$lazily_testable_prereq$1 "
502 eval test_prereq_lazily_$1=\$2
505 test_run_lazy_prereq_ () {
507 mkdir -p "$TRASH_DIRECTORY/prereq-test-dir-'"$1"'" &&
509 cd "$TRASH_DIRECTORY/prereq-test-dir-'"$1"'" &&'"$2"'
511 say >&3 "checking prerequisite: $1"
515 rm -rf "$TRASH_DIRECTORY/prereq-test-dir-$1"
516 if test "$eval_ret" = 0; then
517 say >&3 "prerequisite $1 ok"
519 say >&3 "prerequisite $1 not satisfied"
524 test_have_prereq () {
525 # prerequisites can be concatenated with ','
537 case "$prerequisite" in
540 prerequisite=${prerequisite#!}
546 case " $lazily_tested_prereq " in
550 case " $lazily_testable_prereq " in
552 eval "script=\$test_prereq_lazily_$prerequisite" &&
553 if test_run_lazy_prereq_ "$prerequisite" "$script"
555 test_set_prereq $prerequisite
557 lazily_tested_prereq="$lazily_tested_prereq$prerequisite "
562 total_prereq=$(($total_prereq + 1))
563 case "$satisfied_prereq" in
565 satisfied_this_prereq=t
568 satisfied_this_prereq=
571 case "$satisfied_this_prereq,$negative_prereq" in
573 ok_prereq=$(($ok_prereq + 1))
576 # Keep a list of missing prerequisites; restore
577 # the negative marker if necessary.
578 prerequisite=${negative_prereq:+!}$prerequisite
579 if test -z "$missing_prereq"
581 missing_prereq=$prerequisite
583 missing_prereq="$prerequisite,$missing_prereq"
588 test $total_prereq = $ok_prereq
591 test_declared_prereq () {
592 case ",$test_prereq," in
600 test_verify_prereq () {
601 test -z "$test_prereq" ||
602 expr >/dev/null "$test_prereq" : '[A-Z0-9_,!]*$' ||
603 BUG "'$test_prereq' does not look like a prereq"
606 test_expect_failure () {
608 test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
610 BUG "not 2 or 3 parameters to test-expect-failure"
615 say >&3 "checking known breakage of $TEST_NUMBER.$test_count '$1': $2"
616 if test_run_ "$2" expecting_failure
618 test_known_broken_ok_ "$1"
620 test_known_broken_failure_ "$1"
626 test_expect_success () {
628 test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
630 BUG "not 2 or 3 parameters to test-expect-success"
635 say >&3 "expecting success of $TEST_NUMBER.$test_count '$1': $2"
646 # test_external runs external test scripts that provide continuous
647 # test output about their progress, and succeeds/fails on
648 # zero/non-zero exit code. It outputs the test output on stdout even
649 # in non-verbose mode, and announces the external script with "# run
650 # <n>: ..." before running it. When providing relative paths, keep in
651 # mind that all scripts run in "trash directory".
652 # Usage: test_external description command arguments...
653 # Example: test_external 'Perl API' perl ../path/to/test.pl
655 test "$#" = 4 && { test_prereq=$1; shift; } || test_prereq=
657 BUG "not 3 or 4 parameters to test_external"
662 if ! test_skip "$descr" "$@"
664 # Announce the script to reduce confusion about the
665 # test output that follows.
666 say_color "" "# run $test_count: $descr ($*)"
667 # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
668 # to be able to use them in script
669 export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
670 # Run command; redirect its stderr to &4 as in
671 # test_run_, but keep its stdout on our stdout even in
676 if test $test_external_has_tap -eq 0; then
679 say_color "" "# test_external test $descr was ok"
680 test_success=$(($test_success + 1))
683 if test $test_external_has_tap -eq 0; then
684 test_failure_ "$descr" "$@"
686 say_color error "# test_external test $descr failed: $@"
687 test_failure=$(($test_failure + 1))
693 # Like test_external, but in addition tests that the command generated
694 # no output on stderr.
695 test_external_without_stderr () {
696 # The temporary file has no (and must have no) security
699 stderr="$tmp/git-external-stderr.$$.tmp"
700 test_external "$@" 4> "$stderr"
701 test -f "$stderr" || error "Internal error: $stderr disappeared."
702 descr="no stderr: $1"
704 say >&3 "# expecting no stderr from previous command"
705 if test ! -s "$stderr"
709 if test $test_external_has_tap -eq 0; then
712 say_color "" "# test_external_without_stderr test $descr was ok"
713 test_success=$(($test_success + 1))
716 if test "$verbose" = t
718 output=$(echo; echo "# Stderr is:"; cat "$stderr")
722 # rm first in case test_failure exits.
724 if test $test_external_has_tap -eq 0; then
725 test_failure_ "$descr" "$@" "$output"
727 say_color error "# test_external_without_stderr test $descr failed: $@: $output"
728 test_failure=$(($test_failure + 1))
733 # debugging-friendly alternatives to "test [-f|-d|-e]"
734 # The commands test the existence or non-existence of $1
735 test_path_is_file () {
736 test "$#" -ne 1 && BUG "1 param"
739 echo "File $1 doesn't exist"
744 test_path_is_dir () {
745 test "$#" -ne 1 && BUG "1 param"
748 echo "Directory $1 doesn't exist"
753 test_path_exists () {
754 test "$#" -ne 1 && BUG "1 param"
757 echo "Path $1 doesn't exist"
762 # Check if the directory exists and is empty as expected, barf otherwise.
763 test_dir_is_empty () {
764 test "$#" -ne 1 && BUG "1 param"
765 test_path_is_dir "$1" &&
766 if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')"
768 echo "Directory '$1' is not empty, it contains:"
774 # Check if the file exists and has a size greater than zero
775 test_file_not_empty () {
776 test "$#" = 2 && BUG "2 param"
779 echo "'$1' is not a non-empty file."
784 test_path_is_missing () {
785 test "$#" -ne 1 && BUG "1 param"
798 # test_line_count checks that a file has the number of lines it
799 # ought to. For example:
801 # test_expect_success 'produce exactly one line of output' '
802 # do something >output &&
803 # test_line_count = 1 output
806 # is like "test $(wc -l <output) = 1" except that it passes the
807 # output through when the number of lines is wrong.
812 BUG "not 3 parameters to test_line_count"
813 elif ! test $(wc -l <"$3") "$1" "$2"
815 echo "test_line_count: line count for $3 !$1 $2"
822 test "$#" -ne 1 && BUG "1 param"
823 test-tool path-utils file-size "$1"
826 # Returns success if a comma separated string of keywords ($1) contains a
827 # given keyword ($2).
829 # `list_contains "foo,bar" bar` returns 0
830 # `list_contains "foo" bar` returns 1
841 # Returns success if the arguments indicate that a command should be
842 # accepted by test_must_fail(). If the command is run with env, the env
843 # and its corresponding variable settings will be stripped before we
844 # test the command being run.
845 test_must_fail_acceptable () {
863 git|__git*|test-tool|test_terminal)
872 # This is not among top-level (test_expect_success | test_expect_failure)
873 # but is a prefix that can be used in the test script, like:
875 # test_expect_success 'complain and die' '
877 # do something else &&
878 # test_must_fail git checkout ../outerspace
881 # Writing this as "! git checkout ../outerspace" is wrong, because
882 # the failure could be due to a segv. We want a controlled failure.
884 # Accepts the following options:
886 # ok=<signal-name>[,<...>]:
887 # Don't treat an exit caused by the given signal as error.
888 # Multiple signals can be specified as a comma separated list.
889 # Currently recognized signal names are: sigpipe, success.
890 # (Don't use 'success', use 'test_might_fail' instead.)
892 # Do not use this to run anything but "git" and other specific testable
893 # commands (see test_must_fail_acceptable()). We are not in the
894 # business of vetting system supplied commands -- in other words, this
897 # test_must_fail grep pattern output
901 # ! grep pattern output
913 if ! test_must_fail_acceptable "$@"
915 echo >&7 "test_must_fail: only 'git' is allowed: $*"
920 if test $exit_code -eq 0 && ! list_contains "$_test_ok" success
922 echo >&4 "test_must_fail: command succeeded: $*"
924 elif test_match_signal 13 $exit_code && list_contains "$_test_ok" sigpipe
927 elif test $exit_code -gt 129 && test $exit_code -le 192
929 echo >&4 "test_must_fail: died by signal $(($exit_code - 128)): $*"
931 elif test $exit_code -eq 127
933 echo >&4 "test_must_fail: command not found: $*"
935 elif test $exit_code -eq 126
937 echo >&4 "test_must_fail: valgrind error: $*"
943 # Similar to test_must_fail, but tolerates success, too. This is
944 # meant to be used in contexts like:
946 # test_expect_success 'some command works without configuration' '
947 # test_might_fail git config --unset all.configuration &&
951 # Writing "git config --unset all.configuration || :" would be wrong,
952 # because we want to notice if it fails due to segv.
954 # Accepts the same options as test_must_fail.
957 test_must_fail ok=success "$@" 2>&7
960 # Similar to test_must_fail and test_might_fail, but check that a
961 # given command exited with a given exit code. Meant to be used as:
963 # test_expect_success 'Merge with d/f conflicts' '
964 # test_expect_code 1 git merge "merge msg" B master
967 test_expect_code () {
972 if test $exit_code = $want_code
977 echo >&4 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
981 # test_cmp is a helper function to compare actual and expected output.
982 # You can use it like:
984 # test_expect_success 'foo works' '
985 # echo expected >expected &&
987 # test_cmp expected actual
990 # This could be written as either "cmp" or "diff -u", but:
991 # - cmp's output is not nearly as easy to read as diff -u
992 # - not all diff versions understand "-u"
995 test "$#" -ne 2 && BUG "2 param"
996 eval "$GIT_TEST_CMP" '"$@"'
999 # Check that the given config key has the expected value.
1001 # test_cmp_config [-C <dir>] <expected-value>
1002 # [<git-config-options>...] <config-key>
1004 # for example to check that the value of core.bar is foo
1006 # test_cmp_config foo core.bar
1008 test_cmp_config () {
1016 printf "%s\n" "$1" >expect.config &&
1018 git $GD config "$@" >actual.config &&
1019 test_cmp expect.config actual.config
1022 # test_cmp_bin - helper to compare binary files
1025 test "$#" -ne 2 && BUG "2 param"
1029 # Wrapper for test_cmp which used to be used for
1030 # GIT_TEST_GETTEXT_POISON=false. Only here as a shim for other
1031 # in-flight changes. Should not be used and will be removed soon.
1036 # Wrapper for grep which used to be used for
1037 # GIT_TEST_GETTEXT_POISON=false. Only here as a shim for other
1038 # in-flight changes. Should not be used and will be removed soon.
1040 eval "last_arg=\${$#}"
1042 test -f "$last_arg" ||
1043 BUG "test_i18ngrep requires a file to read as the last parameter"
1046 { test "x!" = "x$1" && test $# -lt 3 ; }
1048 BUG "too few parameters to test_i18ngrep"
1051 if test "x!" = "x$1"
1054 ! grep "$@" && return 0
1056 echo >&4 "error: '! grep $@' did find a match in:"
1058 grep "$@" && return 0
1060 echo >&4 "error: 'grep $@' didn't find a match in:"
1063 if test -s "$last_arg"
1067 echo >&4 "<File '$last_arg' is empty>"
1073 # Call any command "$@" but be more verbose about its
1074 # failure. This is handy for commands like "test" which do
1075 # not output anything when they fail.
1078 echo >&4 "command failed: $(git rev-parse --sq-quote "$@")"
1082 # Check if the file expected to be empty is indeed empty, and barfs
1085 test_must_be_empty () {
1086 test "$#" -ne 1 && BUG "1 param"
1087 test_path_is_file "$1" &&
1090 echo "'$1' is not empty, it contains:"
1096 # Tests that its two parameters refer to the same revision, or if '!' is
1097 # provided first, that its other two parameters refer to different
1100 local op='=' wrong_result=different
1102 if test $# -ge 1 && test "x$1" = 'x!'
1105 wrong_result='the same'
1110 BUG "test_cmp_rev requires two revisions, but got $#"
1113 r1=$(git rev-parse --verify "$1") &&
1114 r2=$(git rev-parse --verify "$2") || return 1
1116 if ! test "$r1" "$op" "$r2"
1119 error: two revisions point to $wrong_result objects:
1128 # Compare paths respecting core.ignoreCase
1129 test_cmp_fspath () {
1130 if test "x$1" = "x$2"
1135 if test true != "$(git config --get --type=bool core.ignorecase)"
1140 test "x$(echo "$1" | tr A-Z a-z)" = "x$(echo "$2" | tr A-Z a-z)"
1143 # Print a sequence of integers in increasing order, either with
1144 # two arguments (start and end):
1146 # test_seq 1 5 -- outputs 1 2 3 4 5 one line at a time
1148 # or with one argument (end), in which case it starts counting
1155 *) BUG "not 1 or 2 parameters to test_seq" ;;
1157 test_seq_counter__=$1
1158 while test "$test_seq_counter__" -le "$2"
1160 echo "$test_seq_counter__"
1161 test_seq_counter__=$(( $test_seq_counter__ + 1 ))
1165 # This function can be used to schedule some commands to be run
1166 # unconditionally at the end of the test to restore sanity:
1168 # test_expect_success 'test core.capslock' '
1169 # git config core.capslock true &&
1170 # test_when_finished "git config --unset core.capslock" &&
1174 # That would be roughly equivalent to
1176 # test_expect_success 'test core.capslock' '
1177 # git config core.capslock true &&
1179 # git config --unset core.capslock
1182 # except that the greeting and config --unset must both succeed for
1185 # Note that under --immediate mode, no clean-up is done to help diagnose
1188 test_when_finished () {
1189 # We cannot detect when we are in a subshell in general, but by
1190 # doing so on Bash is better than nothing (the test will
1191 # silently pass on other shells).
1192 test "${BASH_SUBSHELL-0}" = 0 ||
1193 BUG "test_when_finished does nothing in a subshell"
1195 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
1198 # This function can be used to schedule some commands to be run
1199 # unconditionally at the end of the test script, e.g. to stop a daemon:
1201 # test_expect_success 'test git daemon' '
1204 # test_atexit 'kill $daemon_pid' &&
1208 # The commands will be executed before the trash directory is removed,
1209 # i.e. the atexit commands will still be able to access any pidfiles or
1212 # Note that these commands will be run even when a test script run
1213 # with '--immediate' fails. Be careful with your atexit commands to
1214 # minimize any changes to the failed state.
1217 # We cannot detect when we are in a subshell in general, but by
1218 # doing so on Bash is better than nothing (the test will
1219 # silently pass on other shells).
1220 test "${BASH_SUBSHELL-0}" = 0 ||
1221 BUG "test_atexit does nothing in a subshell"
1222 test_atexit_cleanup="{ $*
1223 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_atexit_cleanup"
1226 # Most tests can use the created repository, but some may need to create more.
1227 # Usage: test_create_repo <directory>
1228 test_create_repo () {
1230 BUG "not 1 parameter to test-create-repo"
1234 cd "$repo" || error "Cannot setup test environment"
1235 "${GIT_TEST_INSTALLED:-$GIT_EXEC_PATH}/git$X" -c \
1236 init.defaultBranch="${GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME-master}" \
1238 "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
1239 error "cannot run git init -- have you built things yet?"
1240 mv .git/hooks .git/hooks-disabled
1244 # This function helps on symlink challenged file systems when it is not
1245 # important that the file system entry is a symbolic link.
1246 # Use test_ln_s_add instead of "ln -s x y && git add y" to add a
1247 # symbolic link entry y to the index.
1250 if test_have_prereq SYMLINKS
1253 git update-index --add "$2"
1255 printf '%s' "$1" >"$2" &&
1256 ln_s_obj=$(git hash-object -w "$2") &&
1257 git update-index --add --cacheinfo 120000 $ln_s_obj "$2" &&
1258 # pick up stat info from the file
1259 git update-index "$2"
1263 # This function writes out its parameters, one per line
1264 test_write_lines () {
1269 command "$PERL_PATH" "$@" 2>&7
1272 # Given the name of an environment variable with a bool value, normalize
1273 # its value to a 0 (true) or 1 (false or empty string) return code.
1275 # test_bool_env GIT_TEST_HTTPD <default-value>
1277 # Return with code corresponding to the given default value if the variable
1279 # Abort the test script if either the value of the variable or the default
1280 # are not valid bool values.
1285 BUG "test_bool_env requires two parameters (variable name and default value)"
1288 git env--helper --type=bool --default="$2" --exit-code "$1"
1291 0|1) # unset or valid bool value
1293 *) # invalid bool value or something unexpected
1294 error >&7 "test_bool_env requires bool values both for \$$1 and for the default fallback"
1300 # Exit the test suite, either by skipping all remaining tests or by
1301 # exiting with an error. If our prerequisite variable $1 falls back
1302 # on a default assume we were opportunistically trying to set up some
1303 # tests and we skip. If it is explicitly "true", then we report a failure.
1305 # The error/skip message should be given by $2.
1307 test_skip_or_die () {
1308 if ! test_bool_env "$1" false
1316 # The following mingw_* functions obey POSIX shell syntax, but are actually
1317 # bash scripts, and are meant to be used only with bash on Windows.
1319 # A test_cmp function that treats LF and CRLF equal and avoids to fork
1320 # diff when possible.
1322 # Read text into shell variables and compare them. If the results
1323 # are different, use regular diff to report the difference.
1324 local test_cmp_a= test_cmp_b=
1326 # When text came from stdin (one argument is '-') we must feed it
1328 local stdin_for_diff=
1330 # Since it is difficult to detect the difference between an
1331 # empty input file and a failure to read the files, we go straight
1332 # to diff if one of the inputs is empty.
1333 if test -s "$1" && test -s "$2"
1335 # regular case: both files non-empty
1336 mingw_read_file_strip_cr_ test_cmp_a <"$1"
1337 mingw_read_file_strip_cr_ test_cmp_b <"$2"
1338 elif test -s "$1" && test "$2" = -
1340 # read 2nd file from stdin
1341 mingw_read_file_strip_cr_ test_cmp_a <"$1"
1342 mingw_read_file_strip_cr_ test_cmp_b
1343 stdin_for_diff='<<<"$test_cmp_b"'
1344 elif test "$1" = - && test -s "$2"
1346 # read 1st file from stdin
1347 mingw_read_file_strip_cr_ test_cmp_a
1348 mingw_read_file_strip_cr_ test_cmp_b <"$2"
1349 stdin_for_diff='<<<"$test_cmp_a"'
1351 test -n "$test_cmp_a" &&
1352 test -n "$test_cmp_b" &&
1353 test "$test_cmp_a" = "$test_cmp_b" ||
1354 eval "diff -u \"\$@\" $stdin_for_diff"
1357 # $1 is the name of the shell variable to fill in
1358 mingw_read_file_strip_cr_ () {
1359 # Read line-wise using LF as the line separator
1360 # and use IFS to strip CR.
1364 if IFS=$'\r' read -r -d $'\n' line
1369 # we get here at EOF, but also if the last line
1370 # was not terminated by LF; in the latter case,
1371 # some text was read
1378 eval "$1=\$$1\$line"
1382 # Like "env FOO=BAR some-program", but run inside a subshell, which means
1383 # it also works for shell functions (though those functions cannot impact
1384 # the environment outside of the test_env invocation).
1391 eval "${1%%=*}=\${1#*=}"
1392 eval "export ${1%%=*}"
1404 # Returns true if the numeric exit code in "$2" represents the expected signal
1405 # in "$1". Signals should be given numerically.
1406 test_match_signal () {
1407 if test "$2" = "$((128 + $1))"
1411 elif test "$2" = "$((256 + $1))"
1419 # Read up to "$1" bytes (or to EOF) from stdin and write them to stdout.
1420 test_copy_bytes () {
1425 my $nread = sysread(STDIN, $s, $len);
1426 die "cannot read: $!" unless defined($nread);
1434 # run "$@" inside a non-git directory
1441 GIT_CEILING_DIRECTORIES=$(pwd) &&
1442 export GIT_CEILING_DIRECTORIES &&
1448 # convert function arguments or stdin (if not arguments given) to pktline
1449 # representation. If multiple arguments are given, they are separated by
1450 # whitespace and put in a single packet. Note that data containing NULs must be
1451 # given on stdin, and that empty input becomes an empty packet, not a flush
1452 # packet (for that you can just print 0000 yourself).
1457 printf '%04x%s' "$((4 + ${#packet}))" "$packet"
1460 my $packet = do { local $/; <STDIN> };
1461 printf "%04x%s", 4 + length($packet), $packet;
1466 # Parse the input as a series of pktlines, writing the result to stdout.
1467 # Sideband markers are removed automatically, and the output is routed to
1468 # stderr if appropriate.
1470 # NUL bytes are converted to "\\0" for ease of parsing with text tools.
1473 while (read(STDIN, $len, 4) == 4) {
1474 if ($len eq "0000") {
1477 read(STDIN, $buf, hex($len) - 4);
1479 if ($buf =~ s/^[\x2\x3]//) {
1490 # Converts base-16 data into base-8. The output is given as a sequence of
1491 # escaped octals, suitable for consumption by 'printf'.
1493 perl -ne 'printf "\\%03o", hex for /../g'
1496 # Set the hash algorithm in use to $1. Only useful when testing the testsuite.
1501 # Detect the hash algorithm in use.
1502 test_detect_hash () {
1503 test_hash_algo="${GIT_TEST_DEFAULT_HASH:-sha1}"
1506 # Load common hash metadata and common placeholder object IDs for use with
1509 test -n "$test_hash_algo" || test_detect_hash &&
1510 test_oid_cache <"$TEST_DIRECTORY/oid-info/hash-info" &&
1511 test_oid_cache <"$TEST_DIRECTORY/oid-info/oid"
1514 # Load key-value pairs from stdin suitable for use with test_oid. Blank lines
1515 # and lines starting with "#" are ignored. Keys must be shell identifier
1522 local tag rest k v &&
1524 { test -n "$test_hash_algo" || test_detect_hash; } &&
1541 if ! expr "$k" : '[a-z0-9][a-z0-9]*$' >/dev/null
1543 BUG 'bad hash algorithm'
1545 eval "test_oid_${k}_$tag=\"\$v\""
1549 # Look up a per-hash value based on a key ($1). The value must have been loaded
1550 # by test_oid_init or test_oid_cache.
1552 local algo="${test_hash_algo}" &&
1556 algo="${1#--hash=}" &&
1562 local var="test_oid_${algo}_$1" &&
1564 # If the variable is unset, we must be missing an entry for this
1565 # key-hash pair, so exit with an error.
1566 if eval "test -z \"\${$var+set}\""
1568 BUG "undefined key '$1'"
1570 eval "printf '%s' \"\${$var}\""
1573 # Insert a slash into an object ID so it can be used to reference a location
1574 # under ".git/objects". For example, "deadbeef..." becomes "de/adbeef..".
1575 test_oid_to_path () {
1576 local basename=${1#??}
1577 echo "${1%$basename}/$basename"
1580 # Choose a port number based on the test script's number and store it in
1581 # the given variable name, unless that variable already contains a number.
1585 if test $# -ne 1 || test -z "$var"
1587 BUG "test_set_port requires a variable name"
1593 # No port is set in the given env var, use the test
1594 # number as port number instead.
1595 # Remove not only the leading 't', but all leading zeros
1596 # as well, so the arithmetic below won't (mis)interpret
1597 # a test number like '0123' as an octal value.
1598 port=${this_test#${this_test%%[1-9]*}}
1599 if test "${port:-0}" -lt 1024
1601 # root-only port, use a larger one instead.
1602 port=$(($port + 10000))
1606 error >&7 "invalid port number: $port"
1609 # The user has specified the port.
1613 # Make sure that parallel '--stress' test jobs get different
1615 port=$(($port + ${GIT_TEST_STRESS_JOB_NR:-0}))
1619 # Tests for the hidden file attribute on Windows
1620 test_path_is_hidden () {
1621 test_have_prereq MINGW ||
1622 BUG "test_path_is_hidden can only be used on Windows"
1624 # Use the output of `attrib`, ignore the absolute path
1625 case "$("$SYSTEMROOT"/system32/attrib "$1")" in *H*?:*) return 0;; esac
1629 # Check that the given command was invoked as part of the
1630 # trace2-format trace on stdin.
1632 # test_subcommand [!] <command> <args>... < <trace>
1634 # For example, to look for an invocation of "git upload-pack
1637 # GIT_TRACE2_EVENT=event.log git fetch ... &&
1638 # test_subcommand git upload-pack "$PATH" <event.log
1640 # If the first parameter passed is !, this instead checks that
1641 # the given command was not called.
1643 test_subcommand () {
1651 local expr=$(printf '"%s",' "$@")
1654 if test -n "$negate"
1662 # Check that the given command was invoked as part of the
1663 # trace2-format trace on stdin.
1665 # test_region [!] <category> <label> git <command> <args>...
1667 # For example, to look for trace2_region_enter("index", "do_read_index", repo)
1668 # in an invocation of "git checkout HEAD~1", run
1670 # GIT_TRACE2_EVENT="$(pwd)/trace.txt" GIT_TRACE2_EVENT_NESTING=10 \
1671 # git checkout HEAD~1 &&
1672 # test_region index do_read_index <trace.txt
1674 # If the first parameter passed is !, this instead checks that
1675 # the given region was not entered.
1685 grep -e '"region_enter".*"category":"'"$1"'","label":"'"$2"\" "$3"
1688 if test $exitcode != $expect_exit
1693 grep -e '"region_leave".*"category":"'"$1"'","label":"'"$2"\" "$3"
1696 if test $exitcode != $expect_exit