git.oblomov.eu Git - git/blob - 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 test_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 "$GIT_BUILD_DIR"/templates/blt || {
 700         error "You haven't built things yet, have you?"
 701 }
 702
 703 if ! test -x "$GIT_BUILD_DIR"/test-chmtime
 704 then
 705         echo >&2 'You need to build test-chmtime:'
 706         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 707         exit 1
 708 fi
 709
 710 # Test repository
 711 TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
 712 test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
 713 case "$TRASH_DIRECTORY" in
 714 /*) ;; # absolute path is good
 715  *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
 716 esac
 717 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 718 rm -fr "$TRASH_DIRECTORY" || {
 719         GIT_EXIT_OK=t
 720         echo >&5 "FATAL: Cannot prepare test area"
 721         exit 1
 722 }
 723
 724 HOME="$TRASH_DIRECTORY"
 725 export HOME
 726
 727 if test -z "$TEST_NO_CREATE_REPO"
 728 then
 729         test_create_repo "$TRASH_DIRECTORY"
 730 else
 731         mkdir -p "$TRASH_DIRECTORY"
 732 fi
 733
 734 # Gross hack to spawn N sub-instances of the tests in parallel, and
 735 # summarize the results.  Note that if this is enabled, the script
 736 # terminates at the end of this 'if' block.
 737 if test -n "$valgrind_parallel"
 738 then
 739         for i in $(test_seq 1 $valgrind_parallel)
 740         do
 741                 root="$TRASH_DIRECTORY/vgparallel-$i"
 742                 mkdir "$root"
 743                 TEST_OUTPUT_DIRECTORY="$root" \
 744                         ${SHELL_PATH} "$0" \
 745                         --root="$root" --statusprefix="[$i] " \
 746                         --valgrind="$valgrind" \
 747                         --valgrind-only-stride="$valgrind_parallel" \
 748                         --valgrind-only-offset="$i" &
 749                 pids="$pids $!"
 750         done
 751         trap "kill $pids" INT TERM HUP
 752         wait $pids
 753         trap - INT TERM HUP
 754         for i in $(test_seq 1 $valgrind_parallel)
 755         do
 756                 root="$TRASH_DIRECTORY/vgparallel-$i"
 757                 eval "$(cat "$root/test-results/$(basename "$0" .sh)"-*.counts |
 758                         sed 's/^\([a-z][a-z]*\) \([0-9][0-9]*\)/inner_\1=\2/')"
 759                 test_count=$(expr $test_count + $inner_total)
 760                 test_success=$(expr $test_success + $inner_success)
 761                 test_fixed=$(expr $test_fixed + $inner_fixed)
 762                 test_broken=$(expr $test_broken + $inner_broken)
 763                 test_failure=$(expr $test_failure + $inner_failed)
 764         done
 765         test_done
 766 fi
 767
 768 # Use -P to resolve symlinks in our working directory so that the cwd
 769 # in subprocesses like git equals our $PWD (for pathname comparisons).
 770 cd -P "$TRASH_DIRECTORY" || exit 1
 771
 772 this_test=${0##*/}
 773 this_test=${this_test%%-*}
 774 if match_pattern_list "$this_test" $GIT_SKIP_TESTS
 775 then
 776         say_color info >&3 "skipping test $this_test altogether"
 777         skip_all="skip all tests in $this_test"
 778         test_done
 779 fi
 780
 781 # Provide an implementation of the 'yes' utility
 782 yes () {
 783         if test $# = 0
 784         then
 785                 y=y
 786         else
 787                 y="$*"
 788         fi
 789
 790         while echo "$y"
 791         do
 792                 :
 793         done
 794 }
 795
 796 # Fix some commands on Windows
 797 case $(uname -s) in
 798 *MINGW*)
 799         # Windows has its own (incompatible) sort and find
 800         sort () {
 801                 /usr/bin/sort "$@"
 802         }
 803         find () {
 804                 /usr/bin/find "$@"
 805         }
 806         sum () {
 807                 md5sum "$@"
 808         }
 809         # git sees Windows-style pwd
 810         pwd () {
 811                 builtin pwd -W
 812         }
 813         # no POSIX permissions
 814         # backslashes in pathspec are converted to '/'
 815         # exec does not inherit the PID
 816         test_set_prereq MINGW
 817         test_set_prereq NOT_CYGWIN
 818         test_set_prereq SED_STRIPS_CR
 819         test_set_prereq GREP_STRIPS_CR
 820         ;;
 821 *CYGWIN*)
 822         test_set_prereq POSIXPERM
 823         test_set_prereq EXECKEEPSPID
 824         test_set_prereq NOT_MINGW
 825         test_set_prereq CYGWIN
 826         test_set_prereq SED_STRIPS_CR
 827         test_set_prereq GREP_STRIPS_CR
 828         ;;
 829 *)
 830         test_set_prereq POSIXPERM
 831         test_set_prereq BSLASHPSPEC
 832         test_set_prereq EXECKEEPSPID
 833         test_set_prereq NOT_MINGW
 834         test_set_prereq NOT_CYGWIN
 835         ;;
 836 esac
 837
 838 ( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
 839 test -z "$NO_PERL" && test_set_prereq PERL
 840 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 841 test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 842 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
 843
 844 # Can we rely on git's output in the C locale?
 845 if test -n "$GETTEXT_POISON"
 846 then
 847         GIT_GETTEXT_POISON=YesPlease
 848         export GIT_GETTEXT_POISON
 849         test_set_prereq GETTEXT_POISON
 850 else
 851         test_set_prereq C_LOCALE_OUTPUT
 852 fi
 853
 854 # Use this instead of test_cmp to compare files that contain expected and
 855 # actual output from git commands that can be translated.  When running
 856 # under GETTEXT_POISON this pretends that the command produced expected
 857 # results.
 858 test_i18ncmp () {
 859         test -n "$GETTEXT_POISON" || test_cmp "$@"
 860 }
 861
 862 # Use this instead of "grep expected-string actual" to see if the
 863 # output from a git command that can be translated either contains an
 864 # expected string, or does not contain an unwanted one.  When running
 865 # under GETTEXT_POISON this pretends that the command produced expected
 866 # results.
 867 test_i18ngrep () {
 868         if test -n "$GETTEXT_POISON"
 869         then
 870             : # pretend success
 871         elif test "x!" = "x$1"
 872         then
 873                 shift
 874                 ! grep "$@"
 875         else
 876                 grep "$@"
 877         fi
 878 }
 879
 880 test_lazy_prereq PIPE '
 881         # test whether the filesystem supports FIFOs
 882         case $(uname -s) in
 883         CYGWIN*)
 884                 false
 885                 ;;
 886         *)
 887                 rm -f testfifo && mkfifo testfifo
 888                 ;;
 889         esac
 890 '
 891
 892 test_lazy_prereq SYMLINKS '
 893         # test whether the filesystem supports symbolic links
 894         ln -s x y && test -h y
 895 '
 896
 897 test_lazy_prereq CASE_INSENSITIVE_FS '
 898         echo good >CamelCase &&
 899         echo bad >camelcase &&
 900         test "$(cat CamelCase)" != good
 901 '
 902
 903 test_lazy_prereq UTF8_NFD_TO_NFC '
 904         # check whether FS converts nfd unicode to nfc
 905         auml=$(printf "\303\244")
 906         aumlcdiar=$(printf "\141\314\210")
 907         >"$auml" &&
 908         case "$(echo *)" in
 909         "$aumlcdiar")
 910                 true ;;
 911         *)
 912                 false ;;
 913         esac
 914 '
 915
 916 test_lazy_prereq AUTOIDENT '
 917         sane_unset GIT_AUTHOR_NAME &&
 918         sane_unset GIT_AUTHOR_EMAIL &&
 919         git var GIT_AUTHOR_IDENT
 920 '
 921
 922 # When the tests are run as root, permission tests will report that
 923 # things are writable when they shouldn't be.
 924 test -w / || test_set_prereq SANITY
 925
 926 GIT_UNZIP=${GIT_UNZIP:-unzip}
 927 test_lazy_prereq UNZIP '
 928         "$GIT_UNZIP" -v
 929         test $? -ne 127
 930 '