1# Test framework for git. See t/README for usage.
2#
3# Copyright (c) 2005 Junio C Hamano
4#
5# This program is free software: you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation, either version 2 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program. If not, see http://www.gnu.org/licenses/ .
17# Keep the original TERM for say_color
19ORIGINAL_TERM=$TERM
20# Test the binaries we have just built. The tests are kept in
22# t/ subdirectory and are run in 'trash directory' subdirectory.
23if test -z "$TEST_DIRECTORY"
24then
25 # We allow tests to override this, in case they want to run tests
26 # outside of t/, e.g. for running tests on the test library
27 # itself.
28 TEST_DIRECTORY=$(pwd)
29else
30 # ensure that TEST_DIRECTORY is an absolute path so that it
31 # is valid even if the current working directory is changed
32 TEST_DIRECTORY=$(cd "$TEST_DIRECTORY" && pwd) || exit 1
33fi
34if test -z "$TEST_OUTPUT_DIRECTORY"
35then
36 # Similarly, override this to store the test-results subdir
37 # elsewhere
38 TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
39fi
40GIT_BUILD_DIR="$TEST_DIRECTORY"/..
41################################################################
43# It appears that people try to run tests without building...
44"$GIT_BUILD_DIR/git" >/dev/null
45if test $? != 1
46then
47 echo >&2 'error: you do not seem to have built git yet.'
48 exit 1
49fi
50. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
52export PERL_PATH SHELL_PATH
53# if --tee was passed, write the output not only to the terminal, but
55# additionally to the file test-results/$BASENAME.out, too.
56case "$GIT_TEST_TEE_STARTED, $* " in
57done,*)
58 # do not redirect again
59 ;;
60*' --tee '*|*' --va'*)
61 mkdir -p "$TEST_OUTPUT_DIRECTORY/test-results"
62 BASE="$TEST_OUTPUT_DIRECTORY/test-results/$(basename "$0" .sh)"
63 (GIT_TEST_TEE_STARTED=done ${SHELL_PATH} "$0" "$@" 2>&1;
64 echo $? > $BASE.exit) | tee $BASE.out
65 test "$(cat $BASE.exit)" = 0
66 exit
67 ;;
68esac
69# For repeatability, reset the environment to known value.
71LANG=C
72LC_ALL=C
73PAGER=cat
74TZ=UTC
75TERM=dumb
76export LANG LC_ALL PAGER TERM TZ
77EDITOR=:
78# A call to "unset" with no arguments causes at least Solaris 10
79# /usr/xpg4/bin/sh and /bin/ksh to bail out. So keep the unsets
80# deriving from the command substitution clustered with the other
81# ones.
82unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
83 my @env = keys %ENV;
84 my $ok = join("|", qw(
85 TRACE
86 DEBUG
87 USE_LOOKUP
88 TEST
89 .*_TEST
90 PROVE
91 VALGRIND
92 UNZIP
93 PERF_
94 ));
95 my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
96 print join("\n", @vars);
97')
98unset XDG_CONFIG_HOME
99unset GITPERLLIB
100GIT_AUTHOR_EMAIL=author@example.com
101GIT_AUTHOR_NAME='A U Thor'
102GIT_COMMITTER_EMAIL=committer@example.com
103GIT_COMMITTER_NAME='C O Mitter'
104GIT_MERGE_VERBOSITY=5
105GIT_MERGE_AUTOEDIT=no
106export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
107export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
108export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
109export EDITOR
110if test -n "${TEST_GIT_INDEX_VERSION:+isset}"
112then
113 GIT_INDEX_VERSION="$TEST_GIT_INDEX_VERSION"
114 export GIT_INDEX_VERSION
115fi
116# Add libc MALLOC and MALLOC_PERTURB test
118# only if we are not executing the test with valgrind
119if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
120 test -n "$TEST_NO_MALLOC_CHECK"
121then
122 setup_malloc_check () {
123 : nothing
124 }
125 teardown_malloc_check () {
126 : nothing
127 }
128else
129 setup_malloc_check () {
130 MALLOC_CHECK_=3 MALLOC_PERTURB_=165
131 export MALLOC_CHECK_ MALLOC_PERTURB_
132 }
133 teardown_malloc_check () {
134 unset MALLOC_CHECK_ MALLOC_PERTURB_
135 }
136fi
137# Protect ourselves from common misconfiguration to export
139# CDPATH into the environment
140unset CDPATH
141unset GREP_OPTIONS
143unset UNZIP
144case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
1461|2|true)
147 echo "* warning: Some tests will not work if GIT_TRACE" \
148 "is set as to trace on STDERR ! *"
149 echo "* warning: Please set GIT_TRACE to something" \
150 "other than 1, 2 or true ! *"
151 ;;
152esac
153# Convenience
155#
156# A regexp to match 5 and 40 hexdigits
157_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
158_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
159# Zero SHA-1
161_z40=0000000000000000000000000000000000000000
162# Line feed
164LF='
165'
166export _x05 _x40 _z40 LF
168# Each test should start with something like this, after copyright notices:
170#
171# test_description='Description of this test...
172# This test checks if command xyzzy does the right thing...
173# '
174# . ./test-lib.sh
175[ "x$ORIGINAL_TERM" != "xdumb" ] && (
176 TERM=$ORIGINAL_TERM &&
177 export TERM &&
178 [ -t 1 ] &&
179 tput bold >/dev/null 2>&1 &&
180 tput setaf 1 >/dev/null 2>&1 &&
181 tput sgr0 >/dev/null 2>&1
182 ) &&
183 color=t
184while test "$#" -ne 0
186do
187 case "$1" in
188 -d|--d|--de|--deb|--debu|--debug)
189 debug=t; shift ;;
190 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
191 immediate=t; shift ;;
192 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
193 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
194 -h|--h|--he|--hel|--help)
195 help=t; shift ;;
196 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
197 verbose=t; shift ;;
198 --verbose-only=*)
199 verbose_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
200 shift ;;
201 -q|--q|--qu|--qui|--quie|--quiet)
202 # Ignore --quiet under a TAP::Harness. Saying how many tests
203 # passed without the ok/not ok details is always an error.
204 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
205 --with-dashes)
206 with_dashes=t; shift ;;
207 --no-color)
208 color=; shift ;;
209 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
210 valgrind=memcheck
211 shift ;;
212 --valgrind=*)
213 valgrind=$(expr "z$1" : 'z[^=]*=\(.*\)')
214 shift ;;
215 --valgrind-only=*)
216 valgrind_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
217 shift ;;
218 --tee)
219 shift ;; # was handled already
220 --root=*)
221 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
222 shift ;;
223 *)
224 echo "error: unknown test option '$1'" >&2; exit 1 ;;
225 esac
226done
227if test -n "$valgrind_only"
229then
230 test -z "$valgrind" && valgrind=memcheck
231 test -z "$verbose" && verbose_only="$valgrind_only"
232elif test -n "$valgrind"
233then
234 verbose=t
235fi
236if test -n "$color"
238then
239 say_color () {
240 (
241 TERM=$ORIGINAL_TERM
242 export TERM
243 case "$1" in
244 error)
245 tput bold; tput setaf 1;; # bold red
246 skip)
247 tput setaf 4;; # blue
248 warn)
249 tput setaf 3;; # brown/yellow
250 pass)
251 tput setaf 2;; # green
252 info)
253 tput setaf 6;; # cyan
254 *)
255 test -n "$quiet" && return;;
256 esac
257 shift
258 printf "%s" "$*"
259 tput sgr0
260 echo
261 )
262 }
263else
264 say_color() {
265 test -z "$1" && test -n "$quiet" && return
266 shift
267 printf "%s\n" "$*"
268 }
269fi
270error () {
272 say_color error "error: $*"
273 GIT_EXIT_OK=t
274 exit 1
275}
276say () {
278 say_color info "$*"
279}
280test "${test_description}" != "" ||
282error "Test script did not set test_description."
283if test "$help" = "t"
285then
286 echo "$test_description"
287 exit 0
288fi
289exec 5>&1
291exec 6<&0
292if test "$verbose" = "t"
293then
294 exec 4>&2 3>&1
295else
296 exec 4>/dev/null 3>/dev/null
297fi
298test_failure=0
300test_count=0
301test_fixed=0
302test_broken=0
303test_success=0
304test_external_has_tap=0
306die () {
308 code=$?
309 if test -n "$GIT_EXIT_OK"
310 then
311 exit $code
312 else
313 echo >&5 "FATAL: Unexpected exit with code $code"
314 exit 1
315 fi
316}
317GIT_EXIT_OK=
319trap 'die' EXIT
320# The user-facing functions are loaded from a separate file so that
322# test_perf subshells can have them too
323. "$TEST_DIRECTORY/test-lib-functions.sh"
324# You are not expected to call test_ok_ and test_failure_ directly, use
326# the test_expect_* functions instead.
327test_ok_ () {
329 test_success=$(($test_success + 1))
330 say_color "" "ok $test_count - $@"
331}
332test_failure_ () {
334 test_failure=$(($test_failure + 1))
335 say_color error "not ok $test_count - $1"
336 shift
337 echo "$@" | sed -e 's/^/# /'
338 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
339}
340test_known_broken_ok_ () {
342 test_fixed=$(($test_fixed+1))
343 say_color error "ok $test_count - $@ # TODO known breakage vanished"
344}
345test_known_broken_failure_ () {
347 test_broken=$(($test_broken+1))
348 say_color warn "not ok $test_count - $@ # TODO known breakage"
349}
350test_debug () {
352 test "$debug" = "" || eval "$1"
353}
354match_pattern_list () {
356 arg="$1"
357 shift
358 test -z "$*" && return 1
359 for pattern_
360 do
361 case "$arg" in
362 $pattern_)
363 return 0
364 esac
365 done
366 return 1
367}
368maybe_teardown_verbose () {
370 test -z "$verbose_only" && return
371 exec 4>/dev/null 3>/dev/null
372 verbose=
373}
374last_verbose=t
376maybe_setup_verbose () {
377 test -z "$verbose_only" && return
378 if match_pattern_list $test_count $verbose_only
379 then
380 exec 4>&2 3>&1
381 # Emit a delimiting blank line when going from
382 # non-verbose to verbose. Within verbose mode the
383 # delimiter is printed by test_expect_*. The choice
384 # of the initial $last_verbose is such that before
385 # test 1, we do not print it.
386 test -z "$last_verbose" && echo >&3 ""
387 verbose=t
388 else
389 exec 4>/dev/null 3>/dev/null
390 verbose=
391 fi
392 last_verbose=$verbose
393}
394maybe_teardown_valgrind () {
396 test -z "$GIT_VALGRIND" && return
397 GIT_VALGRIND_ENABLED=
398}
399maybe_setup_valgrind () {
401 test -z "$GIT_VALGRIND" && return
402 if test -z "$valgrind_only"
403 then
404 GIT_VALGRIND_ENABLED=t
405 return
406 fi
407 GIT_VALGRIND_ENABLED=
408 if match_pattern_list $test_count $valgrind_only
409 then
410 GIT_VALGRIND_ENABLED=t
411 fi
412}
413test_eval_ () {
415 # This is a separate function because some tests use
416 # "return" to end a test_expect_success block early.
417 eval </dev/null >&3 2>&4 "$*"
418}
419test_run_ () {
421 test_cleanup=:
422 expecting_failure=$2
423 setup_malloc_check
424 test_eval_ "$1"
425 eval_ret=$?
426 teardown_malloc_check
427 if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
429 then
430 setup_malloc_check
431 test_eval_ "$test_cleanup"
432 teardown_malloc_check
433 fi
434 if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
435 then
436 echo ""
437 fi
438 return "$eval_ret"
439}
440test_start_ () {
442 test_count=$(($test_count+1))
443 maybe_setup_verbose
444 maybe_setup_valgrind
445}
446test_finish_ () {
448 echo >&3 ""
449 maybe_teardown_valgrind
450 maybe_teardown_verbose
451}
452test_skip () {
454 to_skip=
455 if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
456 then
457 to_skip=t
458 fi
459 if test -z "$to_skip" && test -n "$test_prereq" &&
460 ! test_have_prereq "$test_prereq"
461 then
462 to_skip=t
463 fi
464 case "$to_skip" in
465 t)
466 of_prereq=
467 if test "$missing_prereq" != "$test_prereq"
468 then
469 of_prereq=" of $test_prereq"
470 fi
471 say_color skip >&3 "skipping test: $@"
473 say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
474 : true
475 ;;
476 *)
477 false
478 ;;
479 esac
480}
481# stub; perf-lib overrides it
483test_at_end_hook_ () {
484 :
485}
486test_done () {
488 GIT_EXIT_OK=t
489 if test -z "$HARNESS_ACTIVE"
491 then
492 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
493 mkdir -p "$test_results_dir"
494 base=${0##*/}
495 test_results_path="$test_results_dir/${base%.sh}-$$.counts"
496 cat >>"$test_results_path" <<-EOF
498 total $test_count
499 success $test_success
500 fixed $test_fixed
501 broken $test_broken
502 failed $test_failure
503 EOF
505 fi
506 if test "$test_fixed" != 0
508 then
509 say_color error "# $test_fixed known breakage(s) vanished; please update test(s)"
510 fi
511 if test "$test_broken" != 0
512 then
513 say_color warn "# still have $test_broken known breakage(s)"
514 fi
515 if test "$test_broken" != 0 || test "$test_fixed" != 0
516 then
517 test_remaining=$(( $test_count - $test_broken - $test_fixed ))
518 msg="remaining $test_remaining test(s)"
519 else
520 test_remaining=$test_count
521 msg="$test_count test(s)"
522 fi
523 case "$test_failure" in
524 0)
525 # Maybe print SKIP message
526 if test -n "$skip_all" && test $test_count -gt 0
527 then
528 error "Can't use skip_all after running some tests"
529 fi
530 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
531 if test $test_external_has_tap -eq 0
533 then
534 if test $test_remaining -gt 0
535 then
536 say_color pass "# passed all $msg"
537 fi
538 say "1..$test_count$skip_all"
539 fi
540 test -d "$remove_trash" &&
542 cd "$(dirname "$remove_trash")" &&
543 rm -rf "$(basename "$remove_trash")"
544 test_at_end_hook_
546 exit 0 ;;
548 *)
550 if test $test_external_has_tap -eq 0
551 then
552 say_color error "# failed $test_failure among $msg"
553 say "1..$test_count"
554 fi
555 exit 1 ;;
557 esac
559}
560if test -n "$valgrind"
562then
563 make_symlink () {
564 test -h "$2" &&
565 test "$1" = "$(readlink "$2")" || {
566 # be super paranoid
567 if mkdir "$2".lock
568 then
569 rm -f "$2" &&
570 ln -s "$1" "$2" &&
571 rm -r "$2".lock
572 else
573 while test -d "$2".lock
574 do
575 say "Waiting for lock on $2."
576 sleep 1
577 done
578 fi
579 }
580 }
581 make_valgrind_symlink () {
583 # handle only executables, unless they are shell libraries that
584 # need to be in the exec-path.
585 test -x "$1" ||
586 test "# " = "$(head -c 2 <"$1")" ||
587 return;
588 base=$(basename "$1")
590 symlink_target=$GIT_BUILD_DIR/$base
591 # do not override scripts
592 if test -x "$symlink_target" &&
593 test ! -d "$symlink_target" &&
594 test "#!" != "$(head -c 2 < "$symlink_target")"
595 then
596 symlink_target=../valgrind.sh
597 fi
598 case "$base" in
599 *.sh|*.perl)
600 symlink_target=../unprocessed-script
601 esac
602 # create the link, or replace it if it is out of date
603 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
604 }
605 # override all git executables in TEST_DIRECTORY/..
607 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
608 mkdir -p "$GIT_VALGRIND"/bin
609 for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
610 do
611 make_valgrind_symlink $file
612 done
613 # special-case the mergetools loadables
614 make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
615 OLDIFS=$IFS
616 IFS=:
617 for path in $PATH
618 do
619 ls "$path"/git-* 2> /dev/null |
620 while read file
621 do
622 make_valgrind_symlink "$file"
623 done
624 done
625 IFS=$OLDIFS
626 PATH=$GIT_VALGRIND/bin:$PATH
627 GIT_EXEC_PATH=$GIT_VALGRIND/bin
628 export GIT_VALGRIND
629 GIT_VALGRIND_MODE="$valgrind"
630 export GIT_VALGRIND_MODE
631 GIT_VALGRIND_ENABLED=t
632 test -n "$valgrind_only" && GIT_VALGRIND_ENABLED=
633 export GIT_VALGRIND_ENABLED
634elif test -n "$GIT_TEST_INSTALLED"
635then
636 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
637 error "Cannot run git from $GIT_TEST_INSTALLED."
638 PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
639 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
640else # normal case, use ../bin-wrappers only unless $with_dashes:
641 git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
642 if ! test -x "$git_bin_dir/git"
643 then
644 if test -z "$with_dashes"
645 then
646 say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
647 fi
648 with_dashes=t
649 fi
650 PATH="$git_bin_dir:$PATH"
651 GIT_EXEC_PATH=$GIT_BUILD_DIR
652 if test -n "$with_dashes"
653 then
654 PATH="$GIT_BUILD_DIR:$PATH"
655 fi
656fi
657GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
658unset GIT_CONFIG
659GIT_CONFIG_NOSYSTEM=1
660GIT_ATTR_NOSYSTEM=1
661export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
662if test -z "$GIT_TEST_CMP"
664then
665 if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
666 then
667 GIT_TEST_CMP="$DIFF -c"
668 else
669 GIT_TEST_CMP="$DIFF -u"
670 fi
671fi
672GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
674export GITPERLLIB
675test -d "$GIT_BUILD_DIR"/templates/blt || {
676 error "You haven't built things yet, have you?"
677}
678if ! test -x "$GIT_BUILD_DIR"/test-chmtime
680then
681 echo >&2 'You need to build test-chmtime:'
682 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
683 exit 1
684fi
685# Test repository
687TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
688test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
689case "$TRASH_DIRECTORY" in
690/*) ;; # absolute path is good
691 *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
692esac
693test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
694rm -fr "$TRASH_DIRECTORY" || {
695 GIT_EXIT_OK=t
696 echo >&5 "FATAL: Cannot prepare test area"
697 exit 1
698}
699HOME="$TRASH_DIRECTORY"
701export HOME
702if test -z "$TEST_NO_CREATE_REPO"
704then
705 test_create_repo "$TRASH_DIRECTORY"
706else
707 mkdir -p "$TRASH_DIRECTORY"
708fi
709# Use -P to resolve symlinks in our working directory so that the cwd
710# in subprocesses like git equals our $PWD (for pathname comparisons).
711cd -P "$TRASH_DIRECTORY" || exit 1
712this_test=${0##*/}
714this_test=${this_test%%-*}
715if match_pattern_list "$this_test" $GIT_SKIP_TESTS
716then
717 say_color info >&3 "skipping test $this_test altogether"
718 skip_all="skip all tests in $this_test"
719 test_done
720fi
721# Provide an implementation of the 'yes' utility
723yes () {
724 if test $# = 0
725 then
726 y=y
727 else
728 y="$*"
729 fi
730 while echo "$y"
732 do
733 :
734 done
735}
736# Fix some commands on Windows
738case $(uname -s) in
739*MINGW*)
740 # Windows has its own (incompatible) sort and find
741 sort () {
742 /usr/bin/sort "$@"
743 }
744 find () {
745 /usr/bin/find "$@"
746 }
747 sum () {
748 md5sum "$@"
749 }
750 # git sees Windows-style pwd
751 pwd () {
752 builtin pwd -W
753 }
754 # no POSIX permissions
755 # backslashes in pathspec are converted to '/'
756 # exec does not inherit the PID
757 test_set_prereq MINGW
758 test_set_prereq NOT_CYGWIN
759 test_set_prereq SED_STRIPS_CR
760 test_set_prereq GREP_STRIPS_CR
761 GIT_TEST_CMP=mingw_test_cmp
762 ;;
763*CYGWIN*)
764 test_set_prereq POSIXPERM
765 test_set_prereq EXECKEEPSPID
766 test_set_prereq NOT_MINGW
767 test_set_prereq CYGWIN
768 test_set_prereq SED_STRIPS_CR
769 test_set_prereq GREP_STRIPS_CR
770 ;;
771*)
772 test_set_prereq POSIXPERM
773 test_set_prereq BSLASHPSPEC
774 test_set_prereq EXECKEEPSPID
775 test_set_prereq NOT_MINGW
776 test_set_prereq NOT_CYGWIN
777 ;;
778esac
779( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
781test -z "$NO_PERL" && test_set_prereq PERL
782test -z "$NO_PYTHON" && test_set_prereq PYTHON
783test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
784test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
785# Can we rely on git's output in the C locale?
787if test -n "$GETTEXT_POISON"
788then
789 GIT_GETTEXT_POISON=YesPlease
790 export GIT_GETTEXT_POISON
791 test_set_prereq GETTEXT_POISON
792else
793 test_set_prereq C_LOCALE_OUTPUT
794fi
795# Use this instead of test_cmp to compare files that contain expected and
797# actual output from git commands that can be translated. When running
798# under GETTEXT_POISON this pretends that the command produced expected
799# results.
800test_i18ncmp () {
801 test -n "$GETTEXT_POISON" || test_cmp "$@"
802}
803# Use this instead of "grep expected-string actual" to see if the
805# output from a git command that can be translated either contains an
806# expected string, or does not contain an unwanted one. When running
807# under GETTEXT_POISON this pretends that the command produced expected
808# results.
809test_i18ngrep () {
810 if test -n "$GETTEXT_POISON"
811 then
812 : # pretend success
813 elif test "x!" = "x$1"
814 then
815 shift
816 ! grep "$@"
817 else
818 grep "$@"
819 fi
820}
821test_lazy_prereq PIPE '
823 # test whether the filesystem supports FIFOs
824 case $(uname -s) in
825 CYGWIN*)
826 false
827 ;;
828 *)
829 rm -f testfifo && mkfifo testfifo
830 ;;
831 esac
832'
833test_lazy_prereq SYMLINKS '
835 # test whether the filesystem supports symbolic links
836 ln -s x y && test -h y
837'
838test_lazy_prereq FILEMODE '
840 test "$(git config --bool core.filemode)" = true
841'
842test_lazy_prereq CASE_INSENSITIVE_FS '
844 echo good >CamelCase &&
845 echo bad >camelcase &&
846 test "$(cat CamelCase)" != good
847'
848test_lazy_prereq UTF8_NFD_TO_NFC '
850 # check whether FS converts nfd unicode to nfc
851 auml=$(printf "\303\244")
852 aumlcdiar=$(printf "\141\314\210")
853 >"$auml" &&
854 case "$(echo *)" in
855 "$aumlcdiar")
856 true ;;
857 *)
858 false ;;
859 esac
860'
861test_lazy_prereq AUTOIDENT '
863 sane_unset GIT_AUTHOR_NAME &&
864 sane_unset GIT_AUTHOR_EMAIL &&
865 git var GIT_AUTHOR_IDENT
866'
867# When the tests are run as root, permission tests will report that
869# things are writable when they shouldn't be.
870test -w / || test_set_prereq SANITY
871GIT_UNZIP=${GIT_UNZIP:-unzip}
873test_lazy_prereq UNZIP '
874 "$GIT_UNZIP" -v
875 test $? -ne 127
876'