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 $ok = join("|", qw(
85 TRACE
86 DEBUG
87 USE_LOOKUP
88 TEST
89 .*_TEST
90 PROVE
91 VALGRIND
92 UNZIP
93 PERF_
94 CURL_VERBOSE
95 ));
96 my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
97 print join("\n", @vars);
98')
99unset XDG_CONFIG_HOME
100unset GITPERLLIB
101GIT_AUTHOR_EMAIL=author@example.com
102GIT_AUTHOR_NAME='A U Thor'
103GIT_COMMITTER_EMAIL=committer@example.com
104GIT_COMMITTER_NAME='C O Mitter'
105GIT_MERGE_VERBOSITY=5
106GIT_MERGE_AUTOEDIT=no
107export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
108export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
109export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
110export EDITOR
111if test -n "${TEST_GIT_INDEX_VERSION:+isset}"
113then
114 GIT_INDEX_VERSION="$TEST_GIT_INDEX_VERSION"
115 export GIT_INDEX_VERSION
116fi
117# Add libc MALLOC and MALLOC_PERTURB test
119# only if we are not executing the test with valgrind
120if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
121 test -n "$TEST_NO_MALLOC_CHECK"
122then
123 setup_malloc_check () {
124 : nothing
125 }
126 teardown_malloc_check () {
127 : nothing
128 }
129else
130 setup_malloc_check () {
131 MALLOC_CHECK_=3 MALLOC_PERTURB_=165
132 export MALLOC_CHECK_ MALLOC_PERTURB_
133 }
134 teardown_malloc_check () {
135 unset MALLOC_CHECK_ MALLOC_PERTURB_
136 }
137fi
138# Protect ourselves from common misconfiguration to export
140# CDPATH into the environment
141unset CDPATH
142unset GREP_OPTIONS
144unset UNZIP
145case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
1471|2|true)
148 echo "* warning: Some tests will not work if GIT_TRACE" \
149 "is set as to trace on STDERR ! *"
150 echo "* warning: Please set GIT_TRACE to something" \
151 "other than 1, 2 or true ! *"
152 ;;
153esac
154# Convenience
156#
157# A regexp to match 5 and 40 hexdigits
158_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
159_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
160# Zero SHA-1
162_z40=0000000000000000000000000000000000000000
163# Line feed
165LF='
166'
167export _x05 _x40 _z40 LF
169# Each test should start with something like this, after copyright notices:
171#
172# test_description='Description of this test...
173# This test checks if command xyzzy does the right thing...
174# '
175# . ./test-lib.sh
176[ "x$ORIGINAL_TERM" != "xdumb" ] && (
177 TERM=$ORIGINAL_TERM &&
178 export TERM &&
179 [ -t 1 ] &&
180 tput bold >/dev/null 2>&1 &&
181 tput setaf 1 >/dev/null 2>&1 &&
182 tput sgr0 >/dev/null 2>&1
183 ) &&
184 color=t
185while test "$#" -ne 0
187do
188 case "$1" in
189 -d|--d|--de|--deb|--debu|--debug)
190 debug=t; shift ;;
191 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
192 immediate=t; shift ;;
193 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
194 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
195 -h|--h|--he|--hel|--help)
196 help=t; shift ;;
197 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
198 verbose=t; shift ;;
199 --verbose-only=*)
200 verbose_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
201 shift ;;
202 -q|--q|--qu|--qui|--quie|--quiet)
203 # Ignore --quiet under a TAP::Harness. Saying how many tests
204 # passed without the ok/not ok details is always an error.
205 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
206 --with-dashes)
207 with_dashes=t; shift ;;
208 --no-color)
209 color=; shift ;;
210 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
211 valgrind=memcheck
212 shift ;;
213 --valgrind=*)
214 valgrind=$(expr "z$1" : 'z[^=]*=\(.*\)')
215 shift ;;
216 --valgrind-only=*)
217 valgrind_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
218 shift ;;
219 --tee)
220 shift ;; # was handled already
221 --root=*)
222 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
223 shift ;;
224 *)
225 echo "error: unknown test option '$1'" >&2; exit 1 ;;
226 esac
227done
228if test -n "$valgrind_only"
230then
231 test -z "$valgrind" && valgrind=memcheck
232 test -z "$verbose" && verbose_only="$valgrind_only"
233elif test -n "$valgrind"
234then
235 verbose=t
236fi
237if test -n "$color"
239then
240 say_color () {
241 (
242 TERM=$ORIGINAL_TERM
243 export TERM
244 case "$1" in
245 error)
246 tput bold; tput setaf 1;; # bold red
247 skip)
248 tput setaf 4;; # blue
249 warn)
250 tput setaf 3;; # brown/yellow
251 pass)
252 tput setaf 2;; # green
253 info)
254 tput setaf 6;; # cyan
255 *)
256 test -n "$quiet" && return;;
257 esac
258 shift
259 printf "%s" "$*"
260 tput sgr0
261 echo
262 )
263 }
264else
265 say_color() {
266 test -z "$1" && test -n "$quiet" && return
267 shift
268 printf "%s\n" "$*"
269 }
270fi
271error () {
273 say_color error "error: $*"
274 GIT_EXIT_OK=t
275 exit 1
276}
277say () {
279 say_color info "$*"
280}
281test "${test_description}" != "" ||
283error "Test script did not set test_description."
284if test "$help" = "t"
286then
287 printf '%s\n' "$test_description"
288 exit 0
289fi
290exec 5>&1
292exec 6<&0
293if test "$verbose" = "t"
294then
295 exec 4>&2 3>&1
296else
297 exec 4>/dev/null 3>/dev/null
298fi
299test_failure=0
301test_count=0
302test_fixed=0
303test_broken=0
304test_success=0
305test_external_has_tap=0
307die () {
309 code=$?
310 if test -n "$GIT_EXIT_OK"
311 then
312 exit $code
313 else
314 echo >&5 "FATAL: Unexpected exit with code $code"
315 exit 1
316 fi
317}
318GIT_EXIT_OK=
320trap 'die' EXIT
321# The user-facing functions are loaded from a separate file so that
323# test_perf subshells can have them too
324. "$TEST_DIRECTORY/test-lib-functions.sh"
325# You are not expected to call test_ok_ and test_failure_ directly, use
327# the test_expect_* functions instead.
328test_ok_ () {
330 test_success=$(($test_success + 1))
331 say_color "" "ok $test_count - $@"
332}
333test_failure_ () {
335 test_failure=$(($test_failure + 1))
336 say_color error "not ok $test_count - $1"
337 shift
338 printf '%s\n' "$*" | sed -e 's/^/# /'
339 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
340}
341test_known_broken_ok_ () {
343 test_fixed=$(($test_fixed+1))
344 say_color error "ok $test_count - $@ # TODO known breakage vanished"
345}
346test_known_broken_failure_ () {
348 test_broken=$(($test_broken+1))
349 say_color warn "not ok $test_count - $@ # TODO known breakage"
350}
351test_debug () {
353 test "$debug" = "" || eval "$1"
354}
355match_pattern_list () {
357 arg="$1"
358 shift
359 test -z "$*" && return 1
360 for pattern_
361 do
362 case "$arg" in
363 $pattern_)
364 return 0
365 esac
366 done
367 return 1
368}
369maybe_teardown_verbose () {
371 test -z "$verbose_only" && return
372 exec 4>/dev/null 3>/dev/null
373 verbose=
374}
375last_verbose=t
377maybe_setup_verbose () {
378 test -z "$verbose_only" && return
379 if match_pattern_list $test_count $verbose_only
380 then
381 exec 4>&2 3>&1
382 # Emit a delimiting blank line when going from
383 # non-verbose to verbose. Within verbose mode the
384 # delimiter is printed by test_expect_*. The choice
385 # of the initial $last_verbose is such that before
386 # test 1, we do not print it.
387 test -z "$last_verbose" && echo >&3 ""
388 verbose=t
389 else
390 exec 4>/dev/null 3>/dev/null
391 verbose=
392 fi
393 last_verbose=$verbose
394}
395maybe_teardown_valgrind () {
397 test -z "$GIT_VALGRIND" && return
398 GIT_VALGRIND_ENABLED=
399}
400maybe_setup_valgrind () {
402 test -z "$GIT_VALGRIND" && return
403 if test -z "$valgrind_only"
404 then
405 GIT_VALGRIND_ENABLED=t
406 return
407 fi
408 GIT_VALGRIND_ENABLED=
409 if match_pattern_list $test_count $valgrind_only
410 then
411 GIT_VALGRIND_ENABLED=t
412 fi
413}
414test_eval_ () {
416 # This is a separate function because some tests use
417 # "return" to end a test_expect_success block early.
418 eval </dev/null >&3 2>&4 "$*"
419}
420test_run_ () {
422 test_cleanup=:
423 expecting_failure=$2
424 setup_malloc_check
425 test_eval_ "$1"
426 eval_ret=$?
427 teardown_malloc_check
428 if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
430 then
431 setup_malloc_check
432 test_eval_ "$test_cleanup"
433 teardown_malloc_check
434 fi
435 if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
436 then
437 echo ""
438 fi
439 return "$eval_ret"
440}
441test_start_ () {
443 test_count=$(($test_count+1))
444 maybe_setup_verbose
445 maybe_setup_valgrind
446}
447test_finish_ () {
449 echo >&3 ""
450 maybe_teardown_valgrind
451 maybe_teardown_verbose
452}
453test_skip () {
455 to_skip=
456 if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
457 then
458 to_skip=t
459 fi
460 if test -z "$to_skip" && test -n "$test_prereq" &&
461 ! test_have_prereq "$test_prereq"
462 then
463 to_skip=t
464 fi
465 case "$to_skip" in
466 t)
467 of_prereq=
468 if test "$missing_prereq" != "$test_prereq"
469 then
470 of_prereq=" of $test_prereq"
471 fi
472 say_color skip >&3 "skipping test: $@"
474 say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
475 : true
476 ;;
477 *)
478 false
479 ;;
480 esac
481}
482# stub; perf-lib overrides it
484test_at_end_hook_ () {
485 :
486}
487test_done () {
489 GIT_EXIT_OK=t
490 if test -z "$HARNESS_ACTIVE"
492 then
493 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
494 mkdir -p "$test_results_dir"
495 base=${0##*/}
496 test_results_path="$test_results_dir/${base%.sh}-$$.counts"
497 cat >>"$test_results_path" <<-EOF
499 total $test_count
500 success $test_success
501 fixed $test_fixed
502 broken $test_broken
503 failed $test_failure
504 EOF
506 fi
507 if test "$test_fixed" != 0
509 then
510 say_color error "# $test_fixed known breakage(s) vanished; please update test(s)"
511 fi
512 if test "$test_broken" != 0
513 then
514 say_color warn "# still have $test_broken known breakage(s)"
515 fi
516 if test "$test_broken" != 0 || test "$test_fixed" != 0
517 then
518 test_remaining=$(( $test_count - $test_broken - $test_fixed ))
519 msg="remaining $test_remaining test(s)"
520 else
521 test_remaining=$test_count
522 msg="$test_count test(s)"
523 fi
524 case "$test_failure" in
525 0)
526 # Maybe print SKIP message
527 if test -n "$skip_all" && test $test_count -gt 0
528 then
529 error "Can't use skip_all after running some tests"
530 fi
531 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
532 if test $test_external_has_tap -eq 0
534 then
535 if test $test_remaining -gt 0
536 then
537 say_color pass "# passed all $msg"
538 fi
539 say "1..$test_count$skip_all"
540 fi
541 test -d "$remove_trash" &&
543 cd "$(dirname "$remove_trash")" &&
544 rm -rf "$(basename "$remove_trash")"
545 test_at_end_hook_
547 exit 0 ;;
549 *)
551 if test $test_external_has_tap -eq 0
552 then
553 say_color error "# failed $test_failure among $msg"
554 say "1..$test_count"
555 fi
556 exit 1 ;;
558 esac
560}
561if test -n "$valgrind"
563then
564 make_symlink () {
565 test -h "$2" &&
566 test "$1" = "$(readlink "$2")" || {
567 # be super paranoid
568 if mkdir "$2".lock
569 then
570 rm -f "$2" &&
571 ln -s "$1" "$2" &&
572 rm -r "$2".lock
573 else
574 while test -d "$2".lock
575 do
576 say "Waiting for lock on $2."
577 sleep 1
578 done
579 fi
580 }
581 }
582 make_valgrind_symlink () {
584 # handle only executables, unless they are shell libraries that
585 # need to be in the exec-path.
586 test -x "$1" ||
587 test "# " = "$(head -c 2 <"$1")" ||
588 return;
589 base=$(basename "$1")
591 symlink_target=$GIT_BUILD_DIR/$base
592 # do not override scripts
593 if test -x "$symlink_target" &&
594 test ! -d "$symlink_target" &&
595 test "#!" != "$(head -c 2 < "$symlink_target")"
596 then
597 symlink_target=../valgrind.sh
598 fi
599 case "$base" in
600 *.sh|*.perl)
601 symlink_target=../unprocessed-script
602 esac
603 # create the link, or replace it if it is out of date
604 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
605 }
606 # override all git executables in TEST_DIRECTORY/..
608 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
609 mkdir -p "$GIT_VALGRIND"/bin
610 for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
611 do
612 make_valgrind_symlink $file
613 done
614 # special-case the mergetools loadables
615 make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
616 OLDIFS=$IFS
617 IFS=:
618 for path in $PATH
619 do
620 ls "$path"/git-* 2> /dev/null |
621 while read file
622 do
623 make_valgrind_symlink "$file"
624 done
625 done
626 IFS=$OLDIFS
627 PATH=$GIT_VALGRIND/bin:$PATH
628 GIT_EXEC_PATH=$GIT_VALGRIND/bin
629 export GIT_VALGRIND
630 GIT_VALGRIND_MODE="$valgrind"
631 export GIT_VALGRIND_MODE
632 GIT_VALGRIND_ENABLED=t
633 test -n "$valgrind_only" && GIT_VALGRIND_ENABLED=
634 export GIT_VALGRIND_ENABLED
635elif test -n "$GIT_TEST_INSTALLED"
636then
637 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
638 error "Cannot run git from $GIT_TEST_INSTALLED."
639 PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
640 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
641else # normal case, use ../bin-wrappers only unless $with_dashes:
642 git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
643 if ! test -x "$git_bin_dir/git"
644 then
645 if test -z "$with_dashes"
646 then
647 say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
648 fi
649 with_dashes=t
650 fi
651 PATH="$git_bin_dir:$PATH"
652 GIT_EXEC_PATH=$GIT_BUILD_DIR
653 if test -n "$with_dashes"
654 then
655 PATH="$GIT_BUILD_DIR:$PATH"
656 fi
657fi
658GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
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'