test-lib.sh: support -x option for shell-tracing
[git/git.git] / t / test-lib.sh
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
18 # Keep the original TERM for say_color
19 ORIGINAL_TERM=$TERM
20
21 # Test the binaries we have just built. The tests are kept in
22 # t/ subdirectory and are run in 'trash directory' subdirectory.
23 if test -z "$TEST_DIRECTORY"
24 then
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=$(pwd)
29 else
30 # ensure that TEST_DIRECTORY is an absolute path so that it
31 # is valid even if the current working directory is changed
32 TEST_DIRECTORY=$(cd "$TEST_DIRECTORY" && pwd) || exit 1
33 fi
34 if test -z "$TEST_OUTPUT_DIRECTORY"
35 then
36 # Similarly, override this to store the test-results subdir
37 # elsewhere
38 TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
39 fi
40 GIT_BUILD_DIR="$TEST_DIRECTORY"/..
41
42 ################################################################
43 # It appears that people try to run tests without building...
44 "$GIT_BUILD_DIR/git" >/dev/null
45 if test $? != 1
46 then
47 echo >&2 'error: you do not seem to have built git yet.'
48 exit 1
49 fi
50
51 . "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
52 export PERL_PATH SHELL_PATH
53
54 # if --tee was passed, write the output not only to the terminal, but
55 # additionally to the file test-results/$BASENAME.out, too.
56 case "$GIT_TEST_TEE_STARTED, $* " in
57 done,*)
58 # do not redirect again
59 ;;
60 *' --tee '*|*' --va'*)
61 mkdir -p "$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 ;;
68 esac
69
70 # For repeatability, reset the environment to known value.
71 LANG=C
72 LC_ALL=C
73 PAGER=cat
74 TZ=UTC
75 TERM=dumb
76 export LANG LC_ALL PAGER TERM TZ
77 EDITOR=:
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.
82 unset 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 ')
99 unset XDG_CONFIG_HOME
100 unset GITPERLLIB
101 GIT_AUTHOR_EMAIL=author@example.com
102 GIT_AUTHOR_NAME='A U Thor'
103 GIT_COMMITTER_EMAIL=committer@example.com
104 GIT_COMMITTER_NAME='C O Mitter'
105 GIT_MERGE_VERBOSITY=5
106 GIT_MERGE_AUTOEDIT=no
107 export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
108 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
109 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
110 export EDITOR
111
112 # Tests using GIT_TRACE typically don't want <timestamp> <file>:<line> output
113 GIT_TRACE_BARE=1
114 export GIT_TRACE_BARE
115
116 if test -n "${TEST_GIT_INDEX_VERSION:+isset}"
117 then
118 GIT_INDEX_VERSION="$TEST_GIT_INDEX_VERSION"
119 export GIT_INDEX_VERSION
120 fi
121
122 # Add libc MALLOC and MALLOC_PERTURB test
123 # only if we are not executing the test with valgrind
124 if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
125 test -n "$TEST_NO_MALLOC_CHECK"
126 then
127 setup_malloc_check () {
128 : nothing
129 }
130 teardown_malloc_check () {
131 : nothing
132 }
133 else
134 setup_malloc_check () {
135 MALLOC_CHECK_=3 MALLOC_PERTURB_=165
136 export MALLOC_CHECK_ MALLOC_PERTURB_
137 }
138 teardown_malloc_check () {
139 unset MALLOC_CHECK_ MALLOC_PERTURB_
140 }
141 fi
142
143 # Protect ourselves from common misconfiguration to export
144 # CDPATH into the environment
145 unset CDPATH
146
147 unset GREP_OPTIONS
148 unset UNZIP
149
150 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
151 1|2|true)
152 echo "* warning: Some tests will not work if GIT_TRACE" \
153 "is set as to trace on STDERR ! *"
154 echo "* warning: Please set GIT_TRACE to something" \
155 "other than 1, 2 or true ! *"
156 ;;
157 esac
158
159 # Convenience
160 #
161 # A regexp to match 5 and 40 hexdigits
162 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
163 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
164
165 # Zero SHA-1
166 _z40=0000000000000000000000000000000000000000
167
168 # Line feed
169 LF='
170 '
171
172 export _x05 _x40 _z40 LF
173
174 # Each test should start with something like this, after copyright notices:
175 #
176 # test_description='Description of this test...
177 # This test checks if command xyzzy does the right thing...
178 # '
179 # . ./test-lib.sh
180 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
181 TERM=$ORIGINAL_TERM &&
182 export TERM &&
183 [ -t 1 ] &&
184 tput bold >/dev/null 2>&1 &&
185 tput setaf 1 >/dev/null 2>&1 &&
186 tput sgr0 >/dev/null 2>&1
187 ) &&
188 color=t
189
190 while test "$#" -ne 0
191 do
192 case "$1" in
193 -d|--d|--de|--deb|--debu|--debug)
194 debug=t; shift ;;
195 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
196 immediate=t; shift ;;
197 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
198 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
199 -r)
200 shift; test "$#" -ne 0 || {
201 echo 'error: -r requires an argument' >&2;
202 exit 1;
203 }
204 run_list=$1; shift ;;
205 --run=*)
206 run_list=$(expr "z$1" : 'z[^=]*=\(.*\)'); shift ;;
207 -h|--h|--he|--hel|--help)
208 help=t; shift ;;
209 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
210 verbose=t; shift ;;
211 --verbose-only=*)
212 verbose_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
213 shift ;;
214 -q|--q|--qu|--qui|--quie|--quiet)
215 # Ignore --quiet under a TAP::Harness. Saying how many tests
216 # passed without the ok/not ok details is always an error.
217 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
218 --with-dashes)
219 with_dashes=t; shift ;;
220 --no-color)
221 color=; shift ;;
222 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
223 valgrind=memcheck
224 shift ;;
225 --valgrind=*)
226 valgrind=$(expr "z$1" : 'z[^=]*=\(.*\)')
227 shift ;;
228 --valgrind-only=*)
229 valgrind_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
230 shift ;;
231 --tee)
232 shift ;; # was handled already
233 --root=*)
234 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
235 shift ;;
236 -x)
237 trace=t
238 verbose=t
239 shift ;;
240 *)
241 echo "error: unknown test option '$1'" >&2; exit 1 ;;
242 esac
243 done
244
245 if test -n "$valgrind_only"
246 then
247 test -z "$valgrind" && valgrind=memcheck
248 test -z "$verbose" && verbose_only="$valgrind_only"
249 elif test -n "$valgrind"
250 then
251 verbose=t
252 fi
253
254 if test -n "$color"
255 then
256 say_color () {
257 (
258 TERM=$ORIGINAL_TERM
259 export TERM
260 case "$1" in
261 error)
262 tput bold; tput setaf 1;; # bold red
263 skip)
264 tput setaf 4;; # blue
265 warn)
266 tput setaf 3;; # brown/yellow
267 pass)
268 tput setaf 2;; # green
269 info)
270 tput setaf 6;; # cyan
271 *)
272 test -n "$quiet" && return;;
273 esac
274 shift
275 printf "%s" "$*"
276 tput sgr0
277 echo
278 )
279 }
280 else
281 say_color() {
282 test -z "$1" && test -n "$quiet" && return
283 shift
284 printf "%s\n" "$*"
285 }
286 fi
287
288 error () {
289 say_color error "error: $*"
290 GIT_EXIT_OK=t
291 exit 1
292 }
293
294 say () {
295 say_color info "$*"
296 }
297
298 test "${test_description}" != "" ||
299 error "Test script did not set test_description."
300
301 if test "$help" = "t"
302 then
303 printf '%s\n' "$test_description"
304 exit 0
305 fi
306
307 exec 5>&1
308 exec 6<&0
309 if test "$verbose" = "t"
310 then
311 exec 4>&2 3>&1
312 else
313 exec 4>/dev/null 3>/dev/null
314 fi
315
316 test_failure=0
317 test_count=0
318 test_fixed=0
319 test_broken=0
320 test_success=0
321
322 test_external_has_tap=0
323
324 die () {
325 code=$?
326 if test -n "$GIT_EXIT_OK"
327 then
328 exit $code
329 else
330 echo >&5 "FATAL: Unexpected exit with code $code"
331 exit 1
332 fi
333 }
334
335 GIT_EXIT_OK=
336 trap 'die' EXIT
337
338 # The user-facing functions are loaded from a separate file so that
339 # test_perf subshells can have them too
340 . "$TEST_DIRECTORY/test-lib-functions.sh"
341
342 # You are not expected to call test_ok_ and test_failure_ directly, use
343 # the test_expect_* functions instead.
344
345 test_ok_ () {
346 test_success=$(($test_success + 1))
347 say_color "" "ok $test_count - $@"
348 }
349
350 test_failure_ () {
351 test_failure=$(($test_failure + 1))
352 say_color error "not ok $test_count - $1"
353 shift
354 printf '%s\n' "$*" | sed -e 's/^/# /'
355 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
356 }
357
358 test_known_broken_ok_ () {
359 test_fixed=$(($test_fixed+1))
360 say_color error "ok $test_count - $@ # TODO known breakage vanished"
361 }
362
363 test_known_broken_failure_ () {
364 test_broken=$(($test_broken+1))
365 say_color warn "not ok $test_count - $@ # TODO known breakage"
366 }
367
368 test_debug () {
369 test "$debug" = "" || eval "$1"
370 }
371
372 match_pattern_list () {
373 arg="$1"
374 shift
375 test -z "$*" && return 1
376 for pattern_
377 do
378 case "$arg" in
379 $pattern_)
380 return 0
381 esac
382 done
383 return 1
384 }
385
386 match_test_selector_list () {
387 title="$1"
388 shift
389 arg="$1"
390 shift
391 test -z "$1" && return 0
392
393 # Both commas and whitespace are accepted as separators.
394 OLDIFS=$IFS
395 IFS=' ,'
396 set -- $1
397 IFS=$OLDIFS
398
399 # If the first selector is negative we include by default.
400 include=
401 case "$1" in
402 !*) include=t ;;
403 esac
404
405 for selector
406 do
407 orig_selector=$selector
408
409 positive=t
410 case "$selector" in
411 !*)
412 positive=
413 selector=${selector##?}
414 ;;
415 esac
416
417 test -z "$selector" && continue
418
419 case "$selector" in
420 *-*)
421 if expr "z${selector%%-*}" : "z[0-9]*[^0-9]" >/dev/null
422 then
423 echo "error: $title: invalid non-numeric in range" \
424 "start: '$orig_selector'" >&2
425 exit 1
426 fi
427 if expr "z${selector#*-}" : "z[0-9]*[^0-9]" >/dev/null
428 then
429 echo "error: $title: invalid non-numeric in range" \
430 "end: '$orig_selector'" >&2
431 exit 1
432 fi
433 ;;
434 *)
435 if expr "z$selector" : "z[0-9]*[^0-9]" >/dev/null
436 then
437 echo "error: $title: invalid non-numeric in test" \
438 "selector: '$orig_selector'" >&2
439 exit 1
440 fi
441 esac
442
443 # Short cut for "obvious" cases
444 test -z "$include" && test -z "$positive" && continue
445 test -n "$include" && test -n "$positive" && continue
446
447 case "$selector" in
448 -*)
449 if test $arg -le ${selector#-}
450 then
451 include=$positive
452 fi
453 ;;
454 *-)
455 if test $arg -ge ${selector%-}
456 then
457 include=$positive
458 fi
459 ;;
460 *-*)
461 if test ${selector%%-*} -le $arg \
462 && test $arg -le ${selector#*-}
463 then
464 include=$positive
465 fi
466 ;;
467 *)
468 if test $arg -eq $selector
469 then
470 include=$positive
471 fi
472 ;;
473 esac
474 done
475
476 test -n "$include"
477 }
478
479 maybe_teardown_verbose () {
480 test -z "$verbose_only" && return
481 exec 4>/dev/null 3>/dev/null
482 verbose=
483 }
484
485 last_verbose=t
486 maybe_setup_verbose () {
487 test -z "$verbose_only" && return
488 if match_pattern_list $test_count $verbose_only
489 then
490 exec 4>&2 3>&1
491 # Emit a delimiting blank line when going from
492 # non-verbose to verbose. Within verbose mode the
493 # delimiter is printed by test_expect_*. The choice
494 # of the initial $last_verbose is such that before
495 # test 1, we do not print it.
496 test -z "$last_verbose" && echo >&3 ""
497 verbose=t
498 else
499 exec 4>/dev/null 3>/dev/null
500 verbose=
501 fi
502 last_verbose=$verbose
503 }
504
505 maybe_teardown_valgrind () {
506 test -z "$GIT_VALGRIND" && return
507 GIT_VALGRIND_ENABLED=
508 }
509
510 maybe_setup_valgrind () {
511 test -z "$GIT_VALGRIND" && return
512 if test -z "$valgrind_only"
513 then
514 GIT_VALGRIND_ENABLED=t
515 return
516 fi
517 GIT_VALGRIND_ENABLED=
518 if match_pattern_list $test_count $valgrind_only
519 then
520 GIT_VALGRIND_ENABLED=t
521 fi
522 }
523
524 # This is a separate function because some tests use
525 # "return" to end a test_expect_success block early
526 # (and we want to make sure we run any cleanup like
527 # "set +x").
528 test_eval_inner_ () {
529 # Do not add anything extra (including LF) after '$*'
530 eval "
531 test \"$trace\" = t && set -x
532 $*"
533 }
534
535 test_eval_ () {
536 # We run this block with stderr redirected to avoid extra cruft
537 # during a "-x" trace. Once in "set -x" mode, we cannot prevent
538 # the shell from printing the "set +x" to turn it off (nor the saving
539 # of $? before that). But we can make sure that the output goes to
540 # /dev/null.
541 #
542 # The test itself is run with stderr put back to &4 (so either to
543 # /dev/null, or to the original stderr if --verbose was used).
544 {
545 test_eval_inner_ "$@" </dev/null >&3 2>&4
546 test_eval_ret_=$?
547 if test "$trace" = t
548 then
549 set +x
550 if test "$test_eval_ret_" != 0
551 then
552 say_color error >&4 "error: last command exited with \$?=$test_eval_ret_"
553 fi
554 fi
555 } 2>/dev/null
556 return $test_eval_ret_
557 }
558
559 test_run_ () {
560 test_cleanup=:
561 expecting_failure=$2
562 setup_malloc_check
563 test_eval_ "$1"
564 eval_ret=$?
565 teardown_malloc_check
566
567 if test -z "$immediate" || test $eval_ret = 0 ||
568 test -n "$expecting_failure" && test "$test_cleanup" != ":"
569 then
570 setup_malloc_check
571 test_eval_ "$test_cleanup"
572 teardown_malloc_check
573 fi
574 if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
575 then
576 echo ""
577 fi
578 return "$eval_ret"
579 }
580
581 test_start_ () {
582 test_count=$(($test_count+1))
583 maybe_setup_verbose
584 maybe_setup_valgrind
585 }
586
587 test_finish_ () {
588 echo >&3 ""
589 maybe_teardown_valgrind
590 maybe_teardown_verbose
591 }
592
593 test_skip () {
594 to_skip=
595 skipped_reason=
596 if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
597 then
598 to_skip=t
599 skipped_reason="GIT_SKIP_TESTS"
600 fi
601 if test -z "$to_skip" && test -n "$test_prereq" &&
602 ! test_have_prereq "$test_prereq"
603 then
604 to_skip=t
605
606 of_prereq=
607 if test "$missing_prereq" != "$test_prereq"
608 then
609 of_prereq=" of $test_prereq"
610 fi
611 skipped_reason="missing $missing_prereq${of_prereq}"
612 fi
613 if test -z "$to_skip" && test -n "$run_list" &&
614 ! match_test_selector_list '--run' $test_count "$run_list"
615 then
616 to_skip=t
617 skipped_reason="--run"
618 fi
619
620 case "$to_skip" in
621 t)
622 say_color skip >&3 "skipping test: $@"
623 say_color skip "ok $test_count # skip $1 ($skipped_reason)"
624 : true
625 ;;
626 *)
627 false
628 ;;
629 esac
630 }
631
632 # stub; perf-lib overrides it
633 test_at_end_hook_ () {
634 :
635 }
636
637 test_done () {
638 GIT_EXIT_OK=t
639
640 if test -z "$HARNESS_ACTIVE"
641 then
642 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
643 mkdir -p "$test_results_dir"
644 base=${0##*/}
645 test_results_path="$test_results_dir/${base%.sh}-$$.counts"
646
647 cat >>"$test_results_path" <<-EOF
648 total $test_count
649 success $test_success
650 fixed $test_fixed
651 broken $test_broken
652 failed $test_failure
653
654 EOF
655 fi
656
657 if test "$test_fixed" != 0
658 then
659 say_color error "# $test_fixed known breakage(s) vanished; please update test(s)"
660 fi
661 if test "$test_broken" != 0
662 then
663 say_color warn "# still have $test_broken known breakage(s)"
664 fi
665 if test "$test_broken" != 0 || test "$test_fixed" != 0
666 then
667 test_remaining=$(( $test_count - $test_broken - $test_fixed ))
668 msg="remaining $test_remaining test(s)"
669 else
670 test_remaining=$test_count
671 msg="$test_count test(s)"
672 fi
673 case "$test_failure" in
674 0)
675 # Maybe print SKIP message
676 if test -n "$skip_all" && test $test_count -gt 0
677 then
678 error "Can't use skip_all after running some tests"
679 fi
680 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
681
682 if test $test_external_has_tap -eq 0
683 then
684 if test $test_remaining -gt 0
685 then
686 say_color pass "# passed all $msg"
687 fi
688 say "1..$test_count$skip_all"
689 fi
690
691 test -d "$remove_trash" &&
692 cd "$(dirname "$remove_trash")" &&
693 rm -rf "$(basename "$remove_trash")"
694
695 test_at_end_hook_
696
697 exit 0 ;;
698
699 *)
700 if test $test_external_has_tap -eq 0
701 then
702 say_color error "# failed $test_failure among $msg"
703 say "1..$test_count"
704 fi
705
706 exit 1 ;;
707
708 esac
709 }
710
711 if test -n "$valgrind"
712 then
713 make_symlink () {
714 test -h "$2" &&
715 test "$1" = "$(readlink "$2")" || {
716 # be super paranoid
717 if mkdir "$2".lock
718 then
719 rm -f "$2" &&
720 ln -s "$1" "$2" &&
721 rm -r "$2".lock
722 else
723 while test -d "$2".lock
724 do
725 say "Waiting for lock on $2."
726 sleep 1
727 done
728 fi
729 }
730 }
731
732 make_valgrind_symlink () {
733 # handle only executables, unless they are shell libraries that
734 # need to be in the exec-path.
735 test -x "$1" ||
736 test "# " = "$(head -c 2 <"$1")" ||
737 return;
738
739 base=$(basename "$1")
740 symlink_target=$GIT_BUILD_DIR/$base
741 # do not override scripts
742 if test -x "$symlink_target" &&
743 test ! -d "$symlink_target" &&
744 test "#!" != "$(head -c 2 < "$symlink_target")"
745 then
746 symlink_target=../valgrind.sh
747 fi
748 case "$base" in
749 *.sh|*.perl)
750 symlink_target=../unprocessed-script
751 esac
752 # create the link, or replace it if it is out of date
753 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
754 }
755
756 # override all git executables in TEST_DIRECTORY/..
757 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
758 mkdir -p "$GIT_VALGRIND"/bin
759 for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
760 do
761 make_valgrind_symlink $file
762 done
763 # special-case the mergetools loadables
764 make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
765 OLDIFS=$IFS
766 IFS=:
767 for path in $PATH
768 do
769 ls "$path"/git-* 2> /dev/null |
770 while read file
771 do
772 make_valgrind_symlink "$file"
773 done
774 done
775 IFS=$OLDIFS
776 PATH=$GIT_VALGRIND/bin:$PATH
777 GIT_EXEC_PATH=$GIT_VALGRIND/bin
778 export GIT_VALGRIND
779 GIT_VALGRIND_MODE="$valgrind"
780 export GIT_VALGRIND_MODE
781 GIT_VALGRIND_ENABLED=t
782 test -n "$valgrind_only" && GIT_VALGRIND_ENABLED=
783 export GIT_VALGRIND_ENABLED
784 elif test -n "$GIT_TEST_INSTALLED"
785 then
786 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
787 error "Cannot run git from $GIT_TEST_INSTALLED."
788 PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
789 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
790 else # normal case, use ../bin-wrappers only unless $with_dashes:
791 git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
792 if ! test -x "$git_bin_dir/git"
793 then
794 if test -z "$with_dashes"
795 then
796 say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
797 fi
798 with_dashes=t
799 fi
800 PATH="$git_bin_dir:$PATH"
801 GIT_EXEC_PATH=$GIT_BUILD_DIR
802 if test -n "$with_dashes"
803 then
804 PATH="$GIT_BUILD_DIR:$PATH"
805 fi
806 fi
807 GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
808 GIT_CONFIG_NOSYSTEM=1
809 GIT_ATTR_NOSYSTEM=1
810 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
811
812 if test -z "$GIT_TEST_CMP"
813 then
814 if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
815 then
816 GIT_TEST_CMP="$DIFF -c"
817 else
818 GIT_TEST_CMP="$DIFF -u"
819 fi
820 fi
821
822 GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
823 export GITPERLLIB
824 test -d "$GIT_BUILD_DIR"/templates/blt || {
825 error "You haven't built things yet, have you?"
826 }
827
828 if ! test -x "$GIT_BUILD_DIR"/test-chmtime
829 then
830 echo >&2 'You need to build test-chmtime:'
831 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
832 exit 1
833 fi
834
835 # Test repository
836 TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
837 test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
838 case "$TRASH_DIRECTORY" in
839 /*) ;; # absolute path is good
840 *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
841 esac
842 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
843 rm -fr "$TRASH_DIRECTORY" || {
844 GIT_EXIT_OK=t
845 echo >&5 "FATAL: Cannot prepare test area"
846 exit 1
847 }
848
849 HOME="$TRASH_DIRECTORY"
850 GNUPGHOME="$HOME/gnupg-home-not-used"
851 export HOME GNUPGHOME
852
853 if test -z "$TEST_NO_CREATE_REPO"
854 then
855 test_create_repo "$TRASH_DIRECTORY"
856 else
857 mkdir -p "$TRASH_DIRECTORY"
858 fi
859 # Use -P to resolve symlinks in our working directory so that the cwd
860 # in subprocesses like git equals our $PWD (for pathname comparisons).
861 cd -P "$TRASH_DIRECTORY" || exit 1
862
863 this_test=${0##*/}
864 this_test=${this_test%%-*}
865 if match_pattern_list "$this_test" $GIT_SKIP_TESTS
866 then
867 say_color info >&3 "skipping test $this_test altogether"
868 skip_all="skip all tests in $this_test"
869 test_done
870 fi
871
872 # Provide an implementation of the 'yes' utility
873 yes () {
874 if test $# = 0
875 then
876 y=y
877 else
878 y="$*"
879 fi
880
881 while echo "$y"
882 do
883 :
884 done
885 }
886
887 # Fix some commands on Windows
888 case $(uname -s) in
889 *MINGW*)
890 # Windows has its own (incompatible) sort and find
891 sort () {
892 /usr/bin/sort "$@"
893 }
894 find () {
895 /usr/bin/find "$@"
896 }
897 sum () {
898 md5sum "$@"
899 }
900 # git sees Windows-style pwd
901 pwd () {
902 builtin pwd -W
903 }
904 # no POSIX permissions
905 # backslashes in pathspec are converted to '/'
906 # exec does not inherit the PID
907 test_set_prereq MINGW
908 test_set_prereq NATIVE_CRLF
909 test_set_prereq SED_STRIPS_CR
910 test_set_prereq GREP_STRIPS_CR
911 GIT_TEST_CMP=mingw_test_cmp
912 ;;
913 *CYGWIN*)
914 test_set_prereq POSIXPERM
915 test_set_prereq EXECKEEPSPID
916 test_set_prereq CYGWIN
917 test_set_prereq SED_STRIPS_CR
918 test_set_prereq GREP_STRIPS_CR
919 ;;
920 *)
921 test_set_prereq POSIXPERM
922 test_set_prereq BSLASHPSPEC
923 test_set_prereq EXECKEEPSPID
924 ;;
925 esac
926
927 ( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
928 test -z "$NO_PERL" && test_set_prereq PERL
929 test -z "$NO_PYTHON" && test_set_prereq PYTHON
930 test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
931 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
932
933 # Can we rely on git's output in the C locale?
934 if test -n "$GETTEXT_POISON"
935 then
936 GIT_GETTEXT_POISON=YesPlease
937 export GIT_GETTEXT_POISON
938 test_set_prereq GETTEXT_POISON
939 else
940 test_set_prereq C_LOCALE_OUTPUT
941 fi
942
943 # Use this instead of test_cmp to compare files that contain expected and
944 # actual output from git commands that can be translated. When running
945 # under GETTEXT_POISON this pretends that the command produced expected
946 # results.
947 test_i18ncmp () {
948 test -n "$GETTEXT_POISON" || test_cmp "$@"
949 }
950
951 # Use this instead of "grep expected-string actual" to see if the
952 # output from a git command that can be translated either contains an
953 # expected string, or does not contain an unwanted one. When running
954 # under GETTEXT_POISON this pretends that the command produced expected
955 # results.
956 test_i18ngrep () {
957 if test -n "$GETTEXT_POISON"
958 then
959 : # pretend success
960 elif test "x!" = "x$1"
961 then
962 shift
963 ! grep "$@"
964 else
965 grep "$@"
966 fi
967 }
968
969 test_lazy_prereq PIPE '
970 # test whether the filesystem supports FIFOs
971 case $(uname -s) in
972 CYGWIN*)
973 false
974 ;;
975 *)
976 rm -f testfifo && mkfifo testfifo
977 ;;
978 esac
979 '
980
981 test_lazy_prereq SYMLINKS '
982 # test whether the filesystem supports symbolic links
983 ln -s x y && test -h y
984 '
985
986 test_lazy_prereq FILEMODE '
987 test "$(git config --bool core.filemode)" = true
988 '
989
990 test_lazy_prereq CASE_INSENSITIVE_FS '
991 echo good >CamelCase &&
992 echo bad >camelcase &&
993 test "$(cat CamelCase)" != good
994 '
995
996 test_lazy_prereq UTF8_NFD_TO_NFC '
997 # check whether FS converts nfd unicode to nfc
998 auml=$(printf "\303\244")
999 aumlcdiar=$(printf "\141\314\210")
1000 >"$auml" &&
1001 case "$(echo *)" in
1002 "$aumlcdiar")
1003 true ;;
1004 *)
1005 false ;;
1006 esac
1007 '
1008
1009 test_lazy_prereq AUTOIDENT '
1010 sane_unset GIT_AUTHOR_NAME &&
1011 sane_unset GIT_AUTHOR_EMAIL &&
1012 git var GIT_AUTHOR_IDENT
1013 '
1014
1015 test_lazy_prereq EXPENSIVE '
1016 test -n "$GIT_TEST_LONG"
1017 '
1018
1019 test_lazy_prereq USR_BIN_TIME '
1020 test -x /usr/bin/time
1021 '
1022
1023 # When the tests are run as root, permission tests will report that
1024 # things are writable when they shouldn't be.
1025 test -w / || test_set_prereq SANITY
1026
1027 GIT_UNZIP=${GIT_UNZIP:-unzip}
1028 test_lazy_prereq UNZIP '
1029 "$GIT_UNZIP" -v
1030 test $? -ne 127
1031 '