Merge branch 'ml/avoid-using-grep-on-crlf-files'
[git/git.git] / t / test-lib.sh
1 #!/bin/sh
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=$(pwd)
29 fi
30 if test -z "$TEST_OUTPUT_DIRECTORY"
31 then
32 # Similarly, override this to store the test-results subdir
33 # elsewhere
34 TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
35 fi
36 GIT_BUILD_DIR="$TEST_DIRECTORY"/..
37
38 ################################################################
39 # It appears that people try to run tests without building...
40 "$GIT_BUILD_DIR/git" >/dev/null
41 if test $? != 1
42 then
43 echo >&2 'error: you do not seem to have built git yet.'
44 exit 1
45 fi
46
47 . "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
48 export PERL_PATH SHELL_PATH
49
50 # if --tee was passed, write the output not only to the terminal, but
51 # additionally to the file test-results/$BASENAME.out, too.
52 case "$GIT_TEST_TEE_STARTED, $* " in
53 done,*)
54 # do not redirect again
55 ;;
56 *' --tee '*|*' --va'*)
57 mkdir -p "$TEST_OUTPUT_DIRECTORY/test-results"
58 BASE="$TEST_OUTPUT_DIRECTORY/test-results/$(basename "$0" .sh)"
59 (GIT_TEST_TEE_STARTED=done ${SHELL_PATH} "$0" "$@" 2>&1;
60 echo $? > $BASE.exit) | tee $BASE.out
61 test "$(cat $BASE.exit)" = 0
62 exit
63 ;;
64 esac
65
66 # For repeatability, reset the environment to known value.
67 LANG=C
68 LC_ALL=C
69 PAGER=cat
70 TZ=UTC
71 TERM=dumb
72 export LANG LC_ALL PAGER TERM TZ
73 EDITOR=:
74 # A call to "unset" with no arguments causes at least Solaris 10
75 # /usr/xpg4/bin/sh and /bin/ksh to bail out. So keep the unsets
76 # deriving from the command substitution clustered with the other
77 # ones.
78 unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
79 my @env = keys %ENV;
80 my $ok = join("|", qw(
81 TRACE
82 DEBUG
83 USE_LOOKUP
84 TEST
85 .*_TEST
86 PROVE
87 VALGRIND
88 UNZIP
89 PERF_
90 ));
91 my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
92 print join("\n", @vars);
93 ')
94 unset XDG_CONFIG_HOME
95 unset GITPERLLIB
96 GIT_AUTHOR_EMAIL=author@example.com
97 GIT_AUTHOR_NAME='A U Thor'
98 GIT_COMMITTER_EMAIL=committer@example.com
99 GIT_COMMITTER_NAME='C O Mitter'
100 GIT_MERGE_VERBOSITY=5
101 GIT_MERGE_AUTOEDIT=no
102 export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
103 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
104 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
105 export EDITOR
106
107 # Add libc MALLOC and MALLOC_PERTURB test
108 # only if we are not executing the test with valgrind
109 if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
110 test -n "$TEST_NO_MALLOC_CHECK"
111 then
112 setup_malloc_check () {
113 : nothing
114 }
115 teardown_malloc_check () {
116 : nothing
117 }
118 else
119 setup_malloc_check () {
120 MALLOC_CHECK_=3 MALLOC_PERTURB_=165
121 export MALLOC_CHECK_ MALLOC_PERTURB_
122 }
123 teardown_malloc_check () {
124 unset MALLOC_CHECK_ MALLOC_PERTURB_
125 }
126 fi
127
128 # Protect ourselves from common misconfiguration to export
129 # CDPATH into the environment
130 unset CDPATH
131
132 unset GREP_OPTIONS
133 unset UNZIP
134
135 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
136 1|2|true)
137 echo "* warning: Some tests will not work if GIT_TRACE" \
138 "is set as to trace on STDERR ! *"
139 echo "* warning: Please set GIT_TRACE to something" \
140 "other than 1, 2 or true ! *"
141 ;;
142 esac
143
144 # Convenience
145 #
146 # A regexp to match 5 and 40 hexdigits
147 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
148 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
149
150 # Zero SHA-1
151 _z40=0000000000000000000000000000000000000000
152
153 # Line feed
154 LF='
155 '
156
157 export _x05 _x40 _z40 LF
158
159 # Each test should start with something like this, after copyright notices:
160 #
161 # test_description='Description of this test...
162 # This test checks if command xyzzy does the right thing...
163 # '
164 # . ./test-lib.sh
165 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
166 TERM=$ORIGINAL_TERM &&
167 export TERM &&
168 [ -t 1 ] &&
169 tput bold >/dev/null 2>&1 &&
170 tput setaf 1 >/dev/null 2>&1 &&
171 tput sgr0 >/dev/null 2>&1
172 ) &&
173 color=t
174
175 while test "$#" -ne 0
176 do
177 case "$1" in
178 -d|--d|--de|--deb|--debu|--debug)
179 debug=t; shift ;;
180 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
181 immediate=t; shift ;;
182 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
183 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
184 -h|--h|--he|--hel|--help)
185 help=t; shift ;;
186 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
187 verbose=t; shift ;;
188 --verbose-only=*)
189 verbose_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
190 shift ;;
191 -q|--q|--qu|--qui|--quie|--quiet)
192 # Ignore --quiet under a TAP::Harness. Saying how many tests
193 # passed without the ok/not ok details is always an error.
194 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
195 --with-dashes)
196 with_dashes=t; shift ;;
197 --no-color)
198 color=; shift ;;
199 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
200 valgrind=memcheck
201 shift ;;
202 --valgrind=*)
203 valgrind=$(expr "z$1" : 'z[^=]*=\(.*\)')
204 shift ;;
205 --valgrind-only=*)
206 valgrind_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
207 shift ;;
208 --valgrind-parallel=*)
209 valgrind_parallel=$(expr "z$1" : 'z[^=]*=\(.*\)')
210 shift ;;
211 --valgrind-only-stride=*)
212 valgrind_only_stride=$(expr "z$1" : 'z[^=]*=\(.*\)')
213 shift ;;
214 --valgrind-only-offset=*)
215 valgrind_only_offset=$(expr "z$1" : 'z[^=]*=\(.*\)')
216 shift ;;
217 --tee)
218 shift ;; # was handled already
219 --root=*)
220 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
221 shift ;;
222 --statusprefix=*)
223 statusprefix=$(expr "z$1" : 'z[^=]*=\(.*\)')
224 shift ;;
225 *)
226 echo "error: unknown test option '$1'" >&2; exit 1 ;;
227 esac
228 done
229
230 if test -n "$valgrind_only" || test -n "$valgrind_only_stride"
231 then
232 test -z "$valgrind" && valgrind=memcheck
233 test -z "$verbose" && verbose_only="$valgrind_only"
234 elif test -n "$valgrind"
235 then
236 verbose=t
237 fi
238
239 if test -n "$color"
240 then
241 say_color () {
242 (
243 TERM=$ORIGINAL_TERM
244 export TERM
245 case "$1" in
246 error)
247 tput bold; tput setaf 1;; # bold red
248 skip)
249 tput setaf 4;; # blue
250 warn)
251 tput setaf 3;; # brown/yellow
252 pass)
253 tput setaf 2;; # green
254 info)
255 tput setaf 6;; # cyan
256 *)
257 test -n "$quiet" && return;;
258 esac
259 shift
260 printf "%s" "$*"
261 tput sgr0
262 echo
263 )
264 }
265 else
266 say_color() {
267 test -z "$1" && test -n "$quiet" && return
268 shift
269 printf "%s\n" "$*"
270 }
271 fi
272
273 error () {
274 say_color error "error: $*"
275 GIT_EXIT_OK=t
276 exit 1
277 }
278
279 say () {
280 say_color info "$*"
281 }
282
283 test "${test_description}" != "" ||
284 error "Test script did not set test_description."
285
286 if test "$help" = "t"
287 then
288 echo "$test_description"
289 exit 0
290 fi
291
292 exec 5>&1
293 exec 6<&0
294 if test "$verbose" = "t"
295 then
296 exec 4>&2 3>&1
297 else
298 exec 4>/dev/null 3>/dev/null
299 fi
300
301 test_failure=0
302 test_count=0
303 test_fixed=0
304 test_broken=0
305 test_success=0
306
307 test_external_has_tap=0
308
309 die () {
310 code=$?
311 if test -n "$GIT_EXIT_OK"
312 then
313 exit $code
314 else
315 echo >&5 "FATAL: Unexpected exit with code $code"
316 exit 1
317 fi
318 }
319
320 GIT_EXIT_OK=
321 trap 'die' EXIT
322
323 # The user-facing functions are loaded from a separate file so that
324 # test_perf subshells can have them too
325 . "$TEST_DIRECTORY/test-lib-functions.sh"
326
327 # You are not expected to call test_ok_ and test_failure_ directly, use
328 # the text_expect_* functions instead.
329
330 test_ok_ () {
331 test_success=$(($test_success + 1))
332 say_color "" "${statusprefix}ok $test_count - $@"
333 }
334
335 test_failure_ () {
336 test_failure=$(($test_failure + 1))
337 say_color error "${statusprefix}not ok $test_count - $1"
338 shift
339 echo "$@" | sed -e 's/^/# /'
340 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
341 }
342
343 test_known_broken_ok_ () {
344 test_fixed=$(($test_fixed+1))
345 say_color error "${statusprefix}ok $test_count - $@ # TODO known breakage vanished"
346 }
347
348 test_known_broken_failure_ () {
349 test_broken=$(($test_broken+1))
350 say_color warn "${statusprefix}not ok $test_count - $@ # TODO known breakage"
351 }
352
353 test_debug () {
354 test "$debug" = "" || eval "$1"
355 }
356
357 match_pattern_list () {
358 arg="$1"
359 shift
360 test -z "$*" && return 1
361 for pattern_
362 do
363 case "$arg" in
364 $pattern_)
365 return 0
366 esac
367 done
368 return 1
369 }
370
371 maybe_teardown_verbose () {
372 test -z "$verbose_only" && return
373 exec 4>/dev/null 3>/dev/null
374 verbose=
375 }
376
377 last_verbose=t
378 maybe_setup_verbose () {
379 test -z "$verbose_only" && return
380 if match_pattern_list $test_count $verbose_only ||
381 { test -n "$valgrind_only_stride" &&
382 expr $test_count "%" $valgrind_only_stride - $valgrind_only_offset = 0 >/dev/null; }
383 then
384 exec 4>&2 3>&1
385 # Emit a delimiting blank line when going from
386 # non-verbose to verbose. Within verbose mode the
387 # delimiter is printed by test_expect_*. The choice
388 # of the initial $last_verbose is such that before
389 # test 1, we do not print it.
390 test -z "$last_verbose" && echo >&3 ""
391 verbose=t
392 else
393 exec 4>/dev/null 3>/dev/null
394 verbose=
395 fi
396 last_verbose=$verbose
397 }
398
399 maybe_teardown_valgrind () {
400 test -z "$GIT_VALGRIND" && return
401 GIT_VALGRIND_ENABLED=
402 }
403
404 maybe_setup_valgrind () {
405 test -z "$GIT_VALGRIND" && return
406 if test -z "$valgrind_only" && test -z "$valgrind_only_stride"
407 then
408 GIT_VALGRIND_ENABLED=t
409 return
410 fi
411 GIT_VALGRIND_ENABLED=
412 if match_pattern_list $test_count $valgrind_only
413 then
414 GIT_VALGRIND_ENABLED=t
415 elif test -n "$valgrind_only_stride" &&
416 expr $test_count "%" $valgrind_only_stride - $valgrind_only_offset = 0 >/dev/null
417 then
418 GIT_VALGRIND_ENABLED=t
419 fi
420 }
421
422 test_eval_ () {
423 # This is a separate function because some tests use
424 # "return" to end a test_expect_success block early.
425 eval </dev/null >&3 2>&4 "$*"
426 }
427
428 test_run_ () {
429 test_cleanup=:
430 expecting_failure=$2
431 setup_malloc_check
432 test_eval_ "$1"
433 eval_ret=$?
434 teardown_malloc_check
435
436 if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
437 then
438 setup_malloc_check
439 test_eval_ "$test_cleanup"
440 teardown_malloc_check
441 fi
442 if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
443 then
444 echo ""
445 fi
446 return "$eval_ret"
447 }
448
449 test_start_ () {
450 test_count=$(($test_count+1))
451 maybe_setup_verbose
452 maybe_setup_valgrind
453 }
454
455 test_finish_ () {
456 echo >&3 ""
457 maybe_teardown_valgrind
458 maybe_teardown_verbose
459 }
460
461 test_skip () {
462 to_skip=
463 if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
464 then
465 to_skip=t
466 fi
467 if test -z "$to_skip" && test -n "$test_prereq" &&
468 ! test_have_prereq "$test_prereq"
469 then
470 to_skip=t
471 fi
472 case "$to_skip" in
473 t)
474 of_prereq=
475 if test "$missing_prereq" != "$test_prereq"
476 then
477 of_prereq=" of $test_prereq"
478 fi
479
480 say_color skip >&3 "${statusprefix}skipping test: $@"
481 say_color skip "${statusprefix}ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
482 : true
483 ;;
484 *)
485 false
486 ;;
487 esac
488 }
489
490 # stub; perf-lib overrides it
491 test_at_end_hook_ () {
492 :
493 }
494
495 test_done () {
496 GIT_EXIT_OK=t
497
498 # Note: t0000 relies on $HARNESS_ACTIVE disabling the .counts
499 # output file
500 if test -z "$HARNESS_ACTIVE"
501 then
502 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
503 mkdir -p "$test_results_dir"
504 base=${0##*/}
505 test_results_path="$test_results_dir/${base%.sh}-$$.counts"
506
507 cat >>"$test_results_path" <<-EOF
508 total $test_count
509 success $test_success
510 fixed $test_fixed
511 broken $test_broken
512 failed $test_failure
513
514 EOF
515 fi
516
517 if test "$test_fixed" != 0
518 then
519 say_color error "${statusprefix}# $test_fixed known breakage(s) vanished; please update test(s)"
520 fi
521 if test "$test_broken" != 0
522 then
523 say_color warn "${statusprefix}# still have $test_broken known breakage(s)"
524 fi
525 if test "$test_broken" != 0 || test "$test_fixed" != 0
526 then
527 test_remaining=$(( $test_count - $test_broken - $test_fixed ))
528 msg="remaining $test_remaining test(s)"
529 else
530 test_remaining=$test_count
531 msg="$test_count test(s)"
532 fi
533 case "$test_failure" in
534 0)
535 # Maybe print SKIP message
536 if test -n "$skip_all" && test $test_count -gt 0
537 then
538 error "Can't use skip_all after running some tests"
539 fi
540 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
541
542 if test $test_external_has_tap -eq 0
543 then
544 if test $test_remaining -gt 0
545 then
546 say_color pass "${statusprefix}# passed all $msg"
547 fi
548 say "${statusprefix}1..$test_count$skip_all"
549 fi
550
551 test -d "$remove_trash" &&
552 cd "$(dirname "$remove_trash")" &&
553 rm -rf "$(basename "$remove_trash")"
554
555 test_at_end_hook_
556
557 exit 0 ;;
558
559 *)
560 if test $test_external_has_tap -eq 0
561 then
562 say_color error "${statusprefix}# failed $test_failure among $msg"
563 say "${statusprefix}1..$test_count"
564 fi
565
566 exit 1 ;;
567
568 esac
569 }
570
571
572 # Set up a directory that we can put in PATH which redirects all git
573 # calls to 'valgrind git ...'.
574 if test -n "$valgrind"
575 then
576 make_symlink () {
577 test -h "$2" &&
578 test "$1" = "$(readlink "$2")" || {
579 # be super paranoid
580 if mkdir "$2".lock
581 then
582 rm -f "$2" &&
583 ln -s "$1" "$2" &&
584 rm -r "$2".lock
585 else
586 while test -d "$2".lock
587 do
588 say "Waiting for lock on $2."
589 sleep 1
590 done
591 fi
592 }
593 }
594
595 make_valgrind_symlink () {
596 # handle only executables, unless they are shell libraries that
597 # need to be in the exec-path. We will just use "#!" as a
598 # guess for a shell-script, since we have no idea what the user
599 # may have configured as the shell path.
600 test -x "$1" ||
601 test "#!" = "$(head -c 2 <"$1")" ||
602 return;
603
604 base=$(basename "$1")
605 symlink_target=$GIT_BUILD_DIR/$base
606 # do not override scripts
607 if test -x "$symlink_target" &&
608 test ! -d "$symlink_target" &&
609 test "#!" != "$(head -c 2 < "$symlink_target")"
610 then
611 symlink_target=../valgrind.sh
612 fi
613 case "$base" in
614 *.sh|*.perl)
615 symlink_target=../unprocessed-script
616 esac
617 # create the link, or replace it if it is out of date
618 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
619 }
620
621 # In the case of --valgrind-parallel, we only need to do the
622 # wrapping once, in the main script. The worker children all
623 # have $valgrind_only_stride set, so we can skip based on that.
624 if test -z "$valgrind_only_stride"
625 then
626 # override all git executables in TEST_DIRECTORY/..
627 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
628 mkdir -p "$GIT_VALGRIND"/bin
629 for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
630 do
631 make_valgrind_symlink $file
632 done
633 # special-case the mergetools loadables
634 make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
635 OLDIFS=$IFS
636 IFS=:
637 for path in $PATH
638 do
639 ls "$path"/git-* 2> /dev/null |
640 while read file
641 do
642 make_valgrind_symlink "$file"
643 done
644 done
645 IFS=$OLDIFS
646 fi
647 PATH=$GIT_VALGRIND/bin:$PATH
648 GIT_EXEC_PATH=$GIT_VALGRIND/bin
649 export GIT_VALGRIND
650 GIT_VALGRIND_MODE="$valgrind"
651 export GIT_VALGRIND_MODE
652 GIT_VALGRIND_ENABLED=t
653 if test -n "$valgrind_only" || test -n "$valgrind_only_stride"
654 then
655 GIT_VALGRIND_ENABLED=
656 fi
657 export GIT_VALGRIND_ENABLED
658 elif test -n "$GIT_TEST_INSTALLED"
659 then
660 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
661 error "Cannot run git from $GIT_TEST_INSTALLED."
662 PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
663 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
664 else # normal case, use ../bin-wrappers only unless $with_dashes:
665 git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
666 if ! test -x "$git_bin_dir/git"
667 then
668 if test -z "$with_dashes"
669 then
670 say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
671 fi
672 with_dashes=t
673 fi
674 PATH="$git_bin_dir:$PATH"
675 GIT_EXEC_PATH=$GIT_BUILD_DIR
676 if test -n "$with_dashes"
677 then
678 PATH="$GIT_BUILD_DIR:$PATH"
679 fi
680 fi
681 GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
682 unset GIT_CONFIG
683 GIT_CONFIG_NOSYSTEM=1
684 GIT_ATTR_NOSYSTEM=1
685 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
686
687 if test -z "$GIT_TEST_CMP"
688 then
689 if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
690 then
691 GIT_TEST_CMP="$DIFF -c"
692 else
693 GIT_TEST_CMP="$DIFF -u"
694 fi
695 fi
696
697 GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
698 export GITPERLLIB
699 test -d "$GIT_BUILD_DIR"/templates/blt || {
700 error "You haven't built things yet, have you?"
701 }
702
703 if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
704 then
705 GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
706 export GITPYTHONLIB
707 test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
708 error "You haven't built git_remote_helpers yet, have you?"
709 }
710 fi
711
712 if ! test -x "$GIT_BUILD_DIR"/test-chmtime
713 then
714 echo >&2 'You need to build test-chmtime:'
715 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
716 exit 1
717 fi
718
719 # Test repository
720 TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
721 test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
722 case "$TRASH_DIRECTORY" in
723 /*) ;; # absolute path is good
724 *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
725 esac
726 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
727 rm -fr "$TRASH_DIRECTORY" || {
728 GIT_EXIT_OK=t
729 echo >&5 "FATAL: Cannot prepare test area"
730 exit 1
731 }
732
733 HOME="$TRASH_DIRECTORY"
734 export HOME
735
736 if test -z "$TEST_NO_CREATE_REPO"
737 then
738 test_create_repo "$TRASH_DIRECTORY"
739 else
740 mkdir -p "$TRASH_DIRECTORY"
741 fi
742
743 # Gross hack to spawn N sub-instances of the tests in parallel, and
744 # summarize the results. Note that if this is enabled, the script
745 # terminates at the end of this 'if' block.
746 if test -n "$valgrind_parallel"
747 then
748 for i in $(test_seq 1 $valgrind_parallel)
749 do
750 root="$TRASH_DIRECTORY/vgparallel-$i"
751 mkdir "$root"
752 TEST_OUTPUT_DIRECTORY="$root" \
753 ${SHELL_PATH} "$0" \
754 --root="$root" --statusprefix="[$i] " \
755 --valgrind="$valgrind" \
756 --valgrind-only-stride="$valgrind_parallel" \
757 --valgrind-only-offset="$i" &
758 pids="$pids $!"
759 done
760 trap "kill $pids" INT TERM HUP
761 wait $pids
762 trap - INT TERM HUP
763 for i in $(test_seq 1 $valgrind_parallel)
764 do
765 root="$TRASH_DIRECTORY/vgparallel-$i"
766 eval "$(cat "$root/test-results/$(basename "$0" .sh)"-*.counts |
767 sed 's/^\([a-z][a-z]*\) \([0-9][0-9]*\)/inner_\1=\2/')"
768 test_count=$(expr $test_count + $inner_total)
769 test_success=$(expr $test_success + $inner_success)
770 test_fixed=$(expr $test_fixed + $inner_fixed)
771 test_broken=$(expr $test_broken + $inner_broken)
772 test_failure=$(expr $test_failure + $inner_failed)
773 done
774 test_done
775 fi
776
777 # Use -P to resolve symlinks in our working directory so that the cwd
778 # in subprocesses like git equals our $PWD (for pathname comparisons).
779 cd -P "$TRASH_DIRECTORY" || exit 1
780
781 this_test=${0##*/}
782 this_test=${this_test%%-*}
783 if match_pattern_list "$this_test" $GIT_SKIP_TESTS
784 then
785 say_color info >&3 "skipping test $this_test altogether"
786 skip_all="skip all tests in $this_test"
787 test_done
788 fi
789
790 # Provide an implementation of the 'yes' utility
791 yes () {
792 if test $# = 0
793 then
794 y=y
795 else
796 y="$*"
797 fi
798
799 while echo "$y"
800 do
801 :
802 done
803 }
804
805 # Fix some commands on Windows
806 case $(uname -s) in
807 *MINGW*)
808 # Windows has its own (incompatible) sort and find
809 sort () {
810 /usr/bin/sort "$@"
811 }
812 find () {
813 /usr/bin/find "$@"
814 }
815 sum () {
816 md5sum "$@"
817 }
818 # git sees Windows-style pwd
819 pwd () {
820 builtin pwd -W
821 }
822 # no POSIX permissions
823 # backslashes in pathspec are converted to '/'
824 # exec does not inherit the PID
825 test_set_prereq MINGW
826 test_set_prereq NOT_CYGWIN
827 test_set_prereq SED_STRIPS_CR
828 test_set_prereq GREP_STRIPS_CR
829 ;;
830 *CYGWIN*)
831 test_set_prereq POSIXPERM
832 test_set_prereq EXECKEEPSPID
833 test_set_prereq NOT_MINGW
834 test_set_prereq CYGWIN
835 test_set_prereq SED_STRIPS_CR
836 test_set_prereq GREP_STRIPS_CR
837 ;;
838 *)
839 test_set_prereq POSIXPERM
840 test_set_prereq BSLASHPSPEC
841 test_set_prereq EXECKEEPSPID
842 test_set_prereq NOT_MINGW
843 test_set_prereq NOT_CYGWIN
844 ;;
845 esac
846
847 ( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
848 test -z "$NO_PERL" && test_set_prereq PERL
849 test -z "$NO_PYTHON" && test_set_prereq PYTHON
850 test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
851 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
852
853 # Can we rely on git's output in the C locale?
854 if test -n "$GETTEXT_POISON"
855 then
856 GIT_GETTEXT_POISON=YesPlease
857 export GIT_GETTEXT_POISON
858 test_set_prereq GETTEXT_POISON
859 else
860 test_set_prereq C_LOCALE_OUTPUT
861 fi
862
863 # Use this instead of test_cmp to compare files that contain expected and
864 # actual output from git commands that can be translated. When running
865 # under GETTEXT_POISON this pretends that the command produced expected
866 # results.
867 test_i18ncmp () {
868 test -n "$GETTEXT_POISON" || test_cmp "$@"
869 }
870
871 # Use this instead of "grep expected-string actual" to see if the
872 # output from a git command that can be translated either contains an
873 # expected string, or does not contain an unwanted one. When running
874 # under GETTEXT_POISON this pretends that the command produced expected
875 # results.
876 test_i18ngrep () {
877 if test -n "$GETTEXT_POISON"
878 then
879 : # pretend success
880 elif test "x!" = "x$1"
881 then
882 shift
883 ! grep "$@"
884 else
885 grep "$@"
886 fi
887 }
888
889 test_lazy_prereq PIPE '
890 # test whether the filesystem supports FIFOs
891 case $(uname -s) in
892 CYGWIN*)
893 false
894 ;;
895 *)
896 rm -f testfifo && mkfifo testfifo
897 ;;
898 esac
899 '
900
901 test_lazy_prereq SYMLINKS '
902 # test whether the filesystem supports symbolic links
903 ln -s x y && test -h y
904 '
905
906 test_lazy_prereq CASE_INSENSITIVE_FS '
907 echo good >CamelCase &&
908 echo bad >camelcase &&
909 test "$(cat CamelCase)" != good
910 '
911
912 test_lazy_prereq UTF8_NFD_TO_NFC '
913 # check whether FS converts nfd unicode to nfc
914 auml=$(printf "\303\244")
915 aumlcdiar=$(printf "\141\314\210")
916 >"$auml" &&
917 case "$(echo *)" in
918 "$aumlcdiar")
919 true ;;
920 *)
921 false ;;
922 esac
923 '
924
925 test_lazy_prereq AUTOIDENT '
926 sane_unset GIT_AUTHOR_NAME &&
927 sane_unset GIT_AUTHOR_EMAIL &&
928 git var GIT_AUTHOR_IDENT
929 '
930
931 # When the tests are run as root, permission tests will report that
932 # things are writable when they shouldn't be.
933 test -w / || test_set_prereq SANITY
934
935 GIT_UNZIP=${GIT_UNZIP:-unzip}
936 test_lazy_prereq UNZIP '
937 "$GIT_UNZIP" -v
938 test $? -ne 127
939 '