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