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 $ok = join("|", qw(
  85                 TRACE
  86                 DEBUG
  87                 USE_LOOKUP
  88                 TEST
  89                 .*_TEST
  90                 PROVE
  91                 VALGRIND
  92                 UNZIP
  93                 PERF_
  94         ));
  95         my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
  96         print join("\n", @vars);
  97 ')
  98 unset XDG_CONFIG_HOME
  99 unset GITPERLLIB
 100 GIT_AUTHOR_EMAIL=author@example.com
 101 GIT_AUTHOR_NAME='A U Thor'
 102 GIT_COMMITTER_EMAIL=committer@example.com
 103 GIT_COMMITTER_NAME='C O Mitter'
 104 GIT_MERGE_VERBOSITY=5
 105 GIT_MERGE_AUTOEDIT=no
 106 export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
 107 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 108 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 109 export EDITOR
 110
 111 if test -n "${TEST_GIT_INDEX_VERSION:+isset}"
 112 then
 113         GIT_INDEX_VERSION="$TEST_GIT_INDEX_VERSION"
 114         export GIT_INDEX_VERSION
 115 fi
 116
 117 # Add libc MALLOC and MALLOC_PERTURB test
 118 # only if we are not executing the test with valgrind
 119 if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
 120    test -n "$TEST_NO_MALLOC_CHECK"
 121 then
 122         setup_malloc_check () {
 123                 : nothing
 124         }
 125         teardown_malloc_check () {
 126                 : nothing
 127         }
 128 else
 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         }
 136 fi
 137
 138 # Protect ourselves from common misconfiguration to export
 139 # CDPATH into the environment
 140 unset CDPATH
 141
 142 unset GREP_OPTIONS
 143 unset UNZIP
 144
 145 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
 146 1|2|true)
 147         echo "* warning: Some tests will not work if GIT_TRACE" \
 148                 "is set as to trace on STDERR ! *"
 149         echo "* warning: Please set GIT_TRACE to something" \
 150                 "other than 1, 2 or true ! *"
 151         ;;
 152 esac
 153
 154 # Convenience
 155 #
 156 # A regexp to match 5 and 40 hexdigits
 157 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
 158 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 159
 160 # Zero SHA-1
 161 _z40=0000000000000000000000000000000000000000
 162
 163 # Line feed
 164 LF='
 165 '
 166
 167 export _x05 _x40 _z40 LF
 168
 169 # Each test should start with something like this, after copyright notices:
 170 #
 171 # test_description='Description of this test...
 172 # This test checks if command xyzzy does the right thing...
 173 # '
 174 # . ./test-lib.sh
 175 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
 176                 TERM=$ORIGINAL_TERM &&
 177                 export TERM &&
 178                 [ -t 1 ] &&
 179                 tput bold >/dev/null 2>&1 &&
 180                 tput setaf 1 >/dev/null 2>&1 &&
 181                 tput sgr0 >/dev/null 2>&1
 182         ) &&
 183         color=t
 184
 185 while test "$#" -ne 0
 186 do
 187         case "$1" in
 188         -d|--d|--de|--deb|--debu|--debug)
 189                 debug=t; shift ;;
 190         -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 191                 immediate=t; shift ;;
 192         -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 193                 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 194         -r)
 195                 shift; test "$#" -ne 0 || {
 196                         echo 'error: -r requires an argument' >&2;
 197                         exit 1;
 198                 }
 199                 run_list=$1; shift ;;
 200         --run=*)
 201                 run_list=$(expr "z$1" : 'z[^=]*=\(.*\)'); shift ;;
 202         -h|--h|--he|--hel|--help)
 203                 help=t; shift ;;
 204         -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 205                 verbose=t; shift ;;
 206         --verbose-only=*)
 207                 verbose_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
 208                 shift ;;
 209         -q|--q|--qu|--qui|--quie|--quiet)
 210                 # Ignore --quiet under a TAP::Harness. Saying how many tests
 211                 # passed without the ok/not ok details is always an error.
 212                 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
 213         --with-dashes)
 214                 with_dashes=t; shift ;;
 215         --no-color)
 216                 color=; shift ;;
 217         --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 218                 valgrind=memcheck
 219                 shift ;;
 220         --valgrind=*)
 221                 valgrind=$(expr "z$1" : 'z[^=]*=\(.*\)')
 222                 shift ;;
 223         --valgrind-only=*)
 224                 valgrind_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
 225                 shift ;;
 226         --tee)
 227                 shift ;; # was handled already
 228         --root=*)
 229                 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 230                 shift ;;
 231         *)
 232                 echo "error: unknown test option '$1'" >&2; exit 1 ;;
 233         esac
 234 done
 235
 236 if test -n "$valgrind_only"
 237 then
 238         test -z "$valgrind" && valgrind=memcheck
 239         test -z "$verbose" && verbose_only="$valgrind_only"
 240 elif test -n "$valgrind"
 241 then
 242         verbose=t
 243 fi
 244
 245 if test -n "$color"
 246 then
 247         say_color () {
 248                 (
 249                 TERM=$ORIGINAL_TERM
 250                 export TERM
 251                 case "$1" in
 252                 error)
 253                         tput bold; tput setaf 1;; # bold red
 254                 skip)
 255                         tput setaf 4;; # blue
 256                 warn)
 257                         tput setaf 3;; # brown/yellow
 258                 pass)
 259                         tput setaf 2;; # green
 260                 info)
 261                         tput setaf 6;; # cyan
 262                 *)
 263                         test -n "$quiet" && return;;
 264                 esac
 265                 shift
 266                 printf "%s" "$*"
 267                 tput sgr0
 268                 echo
 269                 )
 270         }
 271 else
 272         say_color() {
 273                 test -z "$1" && test -n "$quiet" && return
 274                 shift
 275                 printf "%s\n" "$*"
 276         }
 277 fi
 278
 279 error () {
 280         say_color error "error: $*"
 281         GIT_EXIT_OK=t
 282         exit 1
 283 }
 284
 285 say () {
 286         say_color info "$*"
 287 }
 288
 289 test "${test_description}" != "" ||
 290 error "Test script did not set test_description."
 291
 292 if test "$help" = "t"
 293 then
 294         printf '%s\n' "$test_description"
 295         exit 0
 296 fi
 297
 298 exec 5>&1
 299 exec 6<&0
 300 if test "$verbose" = "t"
 301 then
 302         exec 4>&2 3>&1
 303 else
 304         exec 4>/dev/null 3>/dev/null
 305 fi
 306
 307 test_failure=0
 308 test_count=0
 309 test_fixed=0
 310 test_broken=0
 311 test_success=0
 312
 313 test_external_has_tap=0
 314
 315 die () {
 316         code=$?
 317         if test -n "$GIT_EXIT_OK"
 318         then
 319                 exit $code
 320         else
 321                 echo >&5 "FATAL: Unexpected exit with code $code"
 322                 exit 1
 323         fi
 324 }
 325
 326 GIT_EXIT_OK=
 327 trap 'die' EXIT
 328
 329 # The user-facing functions are loaded from a separate file so that
 330 # test_perf subshells can have them too
 331 . "$TEST_DIRECTORY/test-lib-functions.sh"
 332
 333 # You are not expected to call test_ok_ and test_failure_ directly, use
 334 # the test_expect_* functions instead.
 335
 336 test_ok_ () {
 337         test_success=$(($test_success + 1))
 338         say_color "" "ok $test_count - $@"
 339 }
 340
 341 test_failure_ () {
 342         test_failure=$(($test_failure + 1))
 343         say_color error "not ok $test_count - $1"
 344         shift
 345         printf '%s\n' "$*" | sed -e 's/^/#      /'
 346         test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 347 }
 348
 349 test_known_broken_ok_ () {
 350         test_fixed=$(($test_fixed+1))
 351         say_color error "ok $test_count - $@ # TODO known breakage vanished"
 352 }
 353
 354 test_known_broken_failure_ () {
 355         test_broken=$(($test_broken+1))
 356         say_color warn "not ok $test_count - $@ # TODO known breakage"
 357 }
 358
 359 test_debug () {
 360         test "$debug" = "" || eval "$1"
 361 }
 362
 363 match_pattern_list () {
 364         arg="$1"
 365         shift
 366         test -z "$*" && return 1
 367         for pattern_
 368         do
 369                 case "$arg" in
 370                 $pattern_)
 371                         return 0
 372                 esac
 373         done
 374         return 1
 375 }
 376
 377 match_test_selector_list () {
 378         title="$1"
 379         shift
 380         arg="$1"
 381         shift
 382         test -z "$1" && return 0
 383
 384         # Both commas and whitespace are accepted as separators.
 385         OLDIFS=$IFS
 386         IFS='   ,'
 387         set -- $1
 388         IFS=$OLDIFS
 389
 390         # If the first selector is negative we include by default.
 391         include=
 392         case "$1" in
 393                 !*) include=t ;;
 394         esac
 395
 396         for selector
 397         do
 398                 orig_selector=$selector
 399
 400                 positive=t
 401                 case "$selector" in
 402                         !*)
 403                                 positive=
 404                                 selector=${selector##?}
 405                                 ;;
 406                 esac
 407
 408                 test -z "$selector" && continue
 409
 410                 case "$selector" in
 411                         *-*)
 412                                 if expr "z${selector%%-*}" : "z[0-9]*[^0-9]" >/dev/null
 413                                 then
 414                                         echo "error: $title: invalid non-numeric in range" \
 415                                                 "start: '$orig_selector'" >&2
 416                                         exit 1
 417                                 fi
 418                                 if expr "z${selector#*-}" : "z[0-9]*[^0-9]" >/dev/null
 419                                 then
 420                                         echo "error: $title: invalid non-numeric in range" \
 421                                                 "end: '$orig_selector'" >&2
 422                                         exit 1
 423                                 fi
 424                                 ;;
 425                         *)
 426                                 if expr "z$selector" : "z[0-9]*[^0-9]" >/dev/null
 427                                 then
 428                                         echo "error: $title: invalid non-numeric in test" \
 429                                                 "selector: '$orig_selector'" >&2
 430                                         exit 1
 431                                 fi
 432                 esac
 433
 434                 # Short cut for "obvious" cases
 435                 test -z "$include" && test -z "$positive" && continue
 436                 test -n "$include" && test -n "$positive" && continue
 437
 438                 case "$selector" in
 439                         -*)
 440                                 if test $arg -le ${selector#-}
 441                                 then
 442                                         include=$positive
 443                                 fi
 444                                 ;;
 445                         *-)
 446                                 if test $arg -ge ${selector%-}
 447                                 then
 448                                         include=$positive
 449                                 fi
 450                                 ;;
 451                         *-*)
 452                                 if test ${selector%%-*} -le $arg \
 453                                         && test $arg -le ${selector#*-}
 454                                 then
 455                                         include=$positive
 456                                 fi
 457                                 ;;
 458                         *)
 459                                 if test $arg -eq $selector
 460                                 then
 461                                         include=$positive
 462                                 fi
 463                                 ;;
 464                 esac
 465         done
 466
 467         test -n "$include"
 468 }
 469
 470 maybe_teardown_verbose () {
 471         test -z "$verbose_only" && return
 472         exec 4>/dev/null 3>/dev/null
 473         verbose=
 474 }
 475
 476 last_verbose=t
 477 maybe_setup_verbose () {
 478         test -z "$verbose_only" && return
 479         if match_pattern_list $test_count $verbose_only
 480         then
 481                 exec 4>&2 3>&1
 482                 # Emit a delimiting blank line when going from
 483                 # non-verbose to verbose.  Within verbose mode the
 484                 # delimiter is printed by test_expect_*.  The choice
 485                 # of the initial $last_verbose is such that before
 486                 # test 1, we do not print it.
 487                 test -z "$last_verbose" && echo >&3 ""
 488                 verbose=t
 489         else
 490                 exec 4>/dev/null 3>/dev/null
 491                 verbose=
 492         fi
 493         last_verbose=$verbose
 494 }
 495
 496 maybe_teardown_valgrind () {
 497         test -z "$GIT_VALGRIND" && return
 498         GIT_VALGRIND_ENABLED=
 499 }
 500
 501 maybe_setup_valgrind () {
 502         test -z "$GIT_VALGRIND" && return
 503         if test -z "$valgrind_only"
 504         then
 505                 GIT_VALGRIND_ENABLED=t
 506                 return
 507         fi
 508         GIT_VALGRIND_ENABLED=
 509         if match_pattern_list $test_count $valgrind_only
 510         then
 511                 GIT_VALGRIND_ENABLED=t
 512         fi
 513 }
 514
 515 test_eval_ () {
 516         # This is a separate function because some tests use
 517         # "return" to end a test_expect_success block early.
 518         eval </dev/null >&3 2>&4 "$*"
 519 }
 520
 521 test_run_ () {
 522         test_cleanup=:
 523         expecting_failure=$2
 524         setup_malloc_check
 525         test_eval_ "$1"
 526         eval_ret=$?
 527         teardown_malloc_check
 528
 529         if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
 530         then
 531                 setup_malloc_check
 532                 test_eval_ "$test_cleanup"
 533                 teardown_malloc_check
 534         fi
 535         if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
 536         then
 537                 echo ""
 538         fi
 539         return "$eval_ret"
 540 }
 541
 542 test_start_ () {
 543         test_count=$(($test_count+1))
 544         maybe_setup_verbose
 545         maybe_setup_valgrind
 546 }
 547
 548 test_finish_ () {
 549         echo >&3 ""
 550         maybe_teardown_valgrind
 551         maybe_teardown_verbose
 552 }
 553
 554 test_skip () {
 555         to_skip=
 556         skipped_reason=
 557         if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
 558         then
 559                 to_skip=t
 560                 skipped_reason="GIT_SKIP_TESTS"
 561         fi
 562         if test -z "$to_skip" && test -n "$test_prereq" &&
 563            ! test_have_prereq "$test_prereq"
 564         then
 565                 to_skip=t
 566
 567                 of_prereq=
 568                 if test "$missing_prereq" != "$test_prereq"
 569                 then
 570                         of_prereq=" of $test_prereq"
 571                 fi
 572                 skipped_reason="missing $missing_prereq${of_prereq}"
 573         fi
 574         if test -z "$to_skip" && test -n "$run_list" &&
 575                 ! match_test_selector_list '--run' $test_count "$run_list"
 576         then
 577                 to_skip=t
 578                 skipped_reason="--run"
 579         fi
 580
 581         case "$to_skip" in
 582         t)
 583                 say_color skip >&3 "skipping test: $@"
 584                 say_color skip "ok $test_count # skip $1 ($skipped_reason)"
 585                 : true
 586                 ;;
 587         *)
 588                 false
 589                 ;;
 590         esac
 591 }
 592
 593 # stub; perf-lib overrides it
 594 test_at_end_hook_ () {
 595         :
 596 }
 597
 598 test_done () {
 599         GIT_EXIT_OK=t
 600
 601         if test -z "$HARNESS_ACTIVE"
 602         then
 603                 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
 604                 mkdir -p "$test_results_dir"
 605                 base=${0##*/}
 606                 test_results_path="$test_results_dir/${base%.sh}-$$.counts"
 607
 608                 cat >>"$test_results_path" <<-EOF
 609                 total $test_count
 610                 success $test_success
 611                 fixed $test_fixed
 612                 broken $test_broken
 613                 failed $test_failure
 614
 615                 EOF
 616         fi
 617
 618         if test "$test_fixed" != 0
 619         then
 620                 say_color error "# $test_fixed known breakage(s) vanished; please update test(s)"
 621         fi
 622         if test "$test_broken" != 0
 623         then
 624                 say_color warn "# still have $test_broken known breakage(s)"
 625         fi
 626         if test "$test_broken" != 0 || test "$test_fixed" != 0
 627         then
 628                 test_remaining=$(( $test_count - $test_broken - $test_fixed ))
 629                 msg="remaining $test_remaining test(s)"
 630         else
 631                 test_remaining=$test_count
 632                 msg="$test_count test(s)"
 633         fi
 634         case "$test_failure" in
 635         0)
 636                 # Maybe print SKIP message
 637                 if test -n "$skip_all" && test $test_count -gt 0
 638                 then
 639                         error "Can't use skip_all after running some tests"
 640                 fi
 641                 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
 642
 643                 if test $test_external_has_tap -eq 0
 644                 then
 645                         if test $test_remaining -gt 0
 646                         then
 647                                 say_color pass "# passed all $msg"
 648                         fi
 649                         say "1..$test_count$skip_all"
 650                 fi
 651
 652                 test -d "$remove_trash" &&
 653                 cd "$(dirname "$remove_trash")" &&
 654                 rm -rf "$(basename "$remove_trash")"
 655
 656                 test_at_end_hook_
 657
 658                 exit 0 ;;
 659
 660         *)
 661                 if test $test_external_has_tap -eq 0
 662                 then
 663                         say_color error "# failed $test_failure among $msg"
 664                         say "1..$test_count"
 665                 fi
 666
 667                 exit 1 ;;
 668
 669         esac
 670 }
 671
 672 if test -n "$valgrind"
 673 then
 674         make_symlink () {
 675                 test -h "$2" &&
 676                 test "$1" = "$(readlink "$2")" || {
 677                         # be super paranoid
 678                         if mkdir "$2".lock
 679                         then
 680                                 rm -f "$2" &&
 681                                 ln -s "$1" "$2" &&
 682                                 rm -r "$2".lock
 683                         else
 684                                 while test -d "$2".lock
 685                                 do
 686                                         say "Waiting for lock on $2."
 687                                         sleep 1
 688                                 done
 689                         fi
 690                 }
 691         }
 692
 693         make_valgrind_symlink () {
 694                 # handle only executables, unless they are shell libraries that
 695                 # need to be in the exec-path.
 696                 test -x "$1" ||
 697                 test "# " = "$(head -c 2 <"$1")" ||
 698                 return;
 699
 700                 base=$(basename "$1")
 701                 symlink_target=$GIT_BUILD_DIR/$base
 702                 # do not override scripts
 703                 if test -x "$symlink_target" &&
 704                     test ! -d "$symlink_target" &&
 705                     test "#!" != "$(head -c 2 < "$symlink_target")"
 706                 then
 707                         symlink_target=../valgrind.sh
 708                 fi
 709                 case "$base" in
 710                 *.sh|*.perl)
 711                         symlink_target=../unprocessed-script
 712                 esac
 713                 # create the link, or replace it if it is out of date
 714                 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 715         }
 716
 717         # override all git executables in TEST_DIRECTORY/..
 718         GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 719         mkdir -p "$GIT_VALGRIND"/bin
 720         for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
 721         do
 722                 make_valgrind_symlink $file
 723         done
 724         # special-case the mergetools loadables
 725         make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
 726         OLDIFS=$IFS
 727         IFS=:
 728         for path in $PATH
 729         do
 730                 ls "$path"/git-* 2> /dev/null |
 731                 while read file
 732                 do
 733                         make_valgrind_symlink "$file"
 734                 done
 735         done
 736         IFS=$OLDIFS
 737         PATH=$GIT_VALGRIND/bin:$PATH
 738         GIT_EXEC_PATH=$GIT_VALGRIND/bin
 739         export GIT_VALGRIND
 740         GIT_VALGRIND_MODE="$valgrind"
 741         export GIT_VALGRIND_MODE
 742         GIT_VALGRIND_ENABLED=t
 743         test -n "$valgrind_only" && GIT_VALGRIND_ENABLED=
 744         export GIT_VALGRIND_ENABLED
 745 elif test -n "$GIT_TEST_INSTALLED"
 746 then
 747         GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 748         error "Cannot run git from $GIT_TEST_INSTALLED."
 749         PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
 750         GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 751 else # normal case, use ../bin-wrappers only unless $with_dashes:
 752         git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
 753         if ! test -x "$git_bin_dir/git"
 754         then
 755                 if test -z "$with_dashes"
 756                 then
 757                         say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 758                 fi
 759                 with_dashes=t
 760         fi
 761         PATH="$git_bin_dir:$PATH"
 762         GIT_EXEC_PATH=$GIT_BUILD_DIR
 763         if test -n "$with_dashes"
 764         then
 765                 PATH="$GIT_BUILD_DIR:$PATH"
 766         fi
 767 fi
 768 GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
 769 GIT_CONFIG_NOSYSTEM=1
 770 GIT_ATTR_NOSYSTEM=1
 771 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
 772
 773 if test -z "$GIT_TEST_CMP"
 774 then
 775         if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
 776         then
 777                 GIT_TEST_CMP="$DIFF -c"
 778         else
 779                 GIT_TEST_CMP="$DIFF -u"
 780         fi
 781 fi
 782
 783 GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
 784 export GITPERLLIB
 785 test -d "$GIT_BUILD_DIR"/templates/blt || {
 786         error "You haven't built things yet, have you?"
 787 }
 788
 789 if ! test -x "$GIT_BUILD_DIR"/test-chmtime
 790 then
 791         echo >&2 'You need to build test-chmtime:'
 792         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 793         exit 1
 794 fi
 795
 796 # Test repository
 797 TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
 798 test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
 799 case "$TRASH_DIRECTORY" in
 800 /*) ;; # absolute path is good
 801  *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
 802 esac
 803 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 804 rm -fr "$TRASH_DIRECTORY" || {
 805         GIT_EXIT_OK=t
 806         echo >&5 "FATAL: Cannot prepare test area"
 807         exit 1
 808 }
 809
 810 HOME="$TRASH_DIRECTORY"
 811 export HOME
 812
 813 if test -z "$TEST_NO_CREATE_REPO"
 814 then
 815         test_create_repo "$TRASH_DIRECTORY"
 816 else
 817         mkdir -p "$TRASH_DIRECTORY"
 818 fi
 819 # Use -P to resolve symlinks in our working directory so that the cwd
 820 # in subprocesses like git equals our $PWD (for pathname comparisons).
 821 cd -P "$TRASH_DIRECTORY" || exit 1
 822
 823 this_test=${0##*/}
 824 this_test=${this_test%%-*}
 825 if match_pattern_list "$this_test" $GIT_SKIP_TESTS
 826 then
 827         say_color info >&3 "skipping test $this_test altogether"
 828         skip_all="skip all tests in $this_test"
 829         test_done
 830 fi
 831
 832 # Provide an implementation of the 'yes' utility
 833 yes () {
 834         if test $# = 0
 835         then
 836                 y=y
 837         else
 838                 y="$*"
 839         fi
 840
 841         while echo "$y"
 842         do
 843                 :
 844         done
 845 }
 846
 847 # Fix some commands on Windows
 848 case $(uname -s) in
 849 *MINGW*)
 850         # Windows has its own (incompatible) sort and find
 851         sort () {
 852                 /usr/bin/sort "$@"
 853         }
 854         find () {
 855                 /usr/bin/find "$@"
 856         }
 857         sum () {
 858                 md5sum "$@"
 859         }
 860         # git sees Windows-style pwd
 861         pwd () {
 862                 builtin pwd -W
 863         }
 864         # no POSIX permissions
 865         # backslashes in pathspec are converted to '/'
 866         # exec does not inherit the PID
 867         test_set_prereq MINGW
 868         test_set_prereq NOT_CYGWIN
 869         test_set_prereq SED_STRIPS_CR
 870         test_set_prereq GREP_STRIPS_CR
 871         GIT_TEST_CMP=mingw_test_cmp
 872         ;;
 873 *CYGWIN*)
 874         test_set_prereq POSIXPERM
 875         test_set_prereq EXECKEEPSPID
 876         test_set_prereq NOT_MINGW
 877         test_set_prereq CYGWIN
 878         test_set_prereq SED_STRIPS_CR
 879         test_set_prereq GREP_STRIPS_CR
 880         ;;
 881 *)
 882         test_set_prereq POSIXPERM
 883         test_set_prereq BSLASHPSPEC
 884         test_set_prereq EXECKEEPSPID
 885         test_set_prereq NOT_MINGW
 886         test_set_prereq NOT_CYGWIN
 887         ;;
 888 esac
 889
 890 ( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
 891 test -z "$NO_PERL" && test_set_prereq PERL
 892 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 893 test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 894 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
 895
 896 # Can we rely on git's output in the C locale?
 897 if test -n "$GETTEXT_POISON"
 898 then
 899         GIT_GETTEXT_POISON=YesPlease
 900         export GIT_GETTEXT_POISON
 901         test_set_prereq GETTEXT_POISON
 902 else
 903         test_set_prereq C_LOCALE_OUTPUT
 904 fi
 905
 906 # Use this instead of test_cmp to compare files that contain expected and
 907 # actual output from git commands that can be translated.  When running
 908 # under GETTEXT_POISON this pretends that the command produced expected
 909 # results.
 910 test_i18ncmp () {
 911         test -n "$GETTEXT_POISON" || test_cmp "$@"
 912 }
 913
 914 # Use this instead of "grep expected-string actual" to see if the
 915 # output from a git command that can be translated either contains an
 916 # expected string, or does not contain an unwanted one.  When running
 917 # under GETTEXT_POISON this pretends that the command produced expected
 918 # results.
 919 test_i18ngrep () {
 920         if test -n "$GETTEXT_POISON"
 921         then
 922             : # pretend success
 923         elif test "x!" = "x$1"
 924         then
 925                 shift
 926                 ! grep "$@"
 927         else
 928                 grep "$@"
 929         fi
 930 }
 931
 932 test_lazy_prereq PIPE '
 933         # test whether the filesystem supports FIFOs
 934         case $(uname -s) in
 935         CYGWIN*)
 936                 false
 937                 ;;
 938         *)
 939                 rm -f testfifo && mkfifo testfifo
 940                 ;;
 941         esac
 942 '
 943
 944 test_lazy_prereq SYMLINKS '
 945         # test whether the filesystem supports symbolic links
 946         ln -s x y && test -h y
 947 '
 948
 949 test_lazy_prereq FILEMODE '
 950         test "$(git config --bool core.filemode)" = true
 951 '
 952
 953 test_lazy_prereq CASE_INSENSITIVE_FS '
 954         echo good >CamelCase &&
 955         echo bad >camelcase &&
 956         test "$(cat CamelCase)" != good
 957 '
 958
 959 test_lazy_prereq UTF8_NFD_TO_NFC '
 960         # check whether FS converts nfd unicode to nfc
 961         auml=$(printf "\303\244")
 962         aumlcdiar=$(printf "\141\314\210")
 963         >"$auml" &&
 964         case "$(echo *)" in
 965         "$aumlcdiar")
 966                 true ;;
 967         *)
 968                 false ;;
 969         esac
 970 '
 971
 972 test_lazy_prereq AUTOIDENT '
 973         sane_unset GIT_AUTHOR_NAME &&
 974         sane_unset GIT_AUTHOR_EMAIL &&
 975         git var GIT_AUTHOR_IDENT
 976 '
 977
 978 # When the tests are run as root, permission tests will report that
 979 # things are writable when they shouldn't be.
 980 test -w / || test_set_prereq SANITY
 981
 982 GIT_UNZIP=${GIT_UNZIP:-unzip}
 983 test_lazy_prereq UNZIP '
 984         "$GIT_UNZIP" -v
 985         test $? -ne 127
 986 '