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, $* " in
  53 done,*)
  54         # do not redirect again
  55         ;;
  56 *' --tee '*|*' --va'*)
  57         mkdir -p test-results
  58         BASE=test-results/$(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         --tee)
 208                 shift ;; # was handled already
 209         --root=*)
 210                 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 211                 shift ;;
 212         --statusprefix=*)
 213                 statusprefix=$(expr "z$1" : 'z[^=]*=\(.*\)')
 214                 shift ;;
 215         *)
 216                 echo "error: unknown test option '$1'" >&2; exit 1 ;;
 217         esac
 218 done
 219
 220 if test -n "$valgrind_only"
 221 then
 222         test -z "$valgrind" && valgrind=memcheck
 223         test -z "$verbose" && verbose_only="$valgrind_only"
 224 elif test -n "$valgrind"
 225 then
 226         verbose=t
 227 fi
 228
 229 if test -n "$color"
 230 then
 231         say_color () {
 232                 (
 233                 TERM=$ORIGINAL_TERM
 234                 export TERM
 235                 case "$1" in
 236                 error)
 237                         tput bold; tput setaf 1;; # bold red
 238                 skip)
 239                         tput setaf 4;; # blue
 240                 warn)
 241                         tput setaf 3;; # brown/yellow
 242                 pass)
 243                         tput setaf 2;; # green
 244                 info)
 245                         tput setaf 6;; # cyan
 246                 *)
 247                         test -n "$quiet" && return;;
 248                 esac
 249                 shift
 250                 printf "%s" "$*"
 251                 tput sgr0
 252                 echo
 253                 )
 254         }
 255 else
 256         say_color() {
 257                 test -z "$1" && test -n "$quiet" && return
 258                 shift
 259                 printf "%s\n" "$*"
 260         }
 261 fi
 262
 263 error () {
 264         say_color error "error: $*"
 265         GIT_EXIT_OK=t
 266         exit 1
 267 }
 268
 269 say () {
 270         say_color info "$*"
 271 }
 272
 273 test "${test_description}" != "" ||
 274 error "Test script did not set test_description."
 275
 276 if test "$help" = "t"
 277 then
 278         echo "$test_description"
 279         exit 0
 280 fi
 281
 282 exec 5>&1
 283 exec 6<&0
 284 if test "$verbose" = "t"
 285 then
 286         exec 4>&2 3>&1
 287 else
 288         exec 4>/dev/null 3>/dev/null
 289 fi
 290
 291 test_failure=0
 292 test_count=0
 293 test_fixed=0
 294 test_broken=0
 295 test_success=0
 296
 297 test_external_has_tap=0
 298
 299 die () {
 300         code=$?
 301         if test -n "$GIT_EXIT_OK"
 302         then
 303                 exit $code
 304         else
 305                 echo >&5 "FATAL: Unexpected exit with code $code"
 306                 exit 1
 307         fi
 308 }
 309
 310 GIT_EXIT_OK=
 311 trap 'die' EXIT
 312
 313 # The user-facing functions are loaded from a separate file so that
 314 # test_perf subshells can have them too
 315 . "$TEST_DIRECTORY/test-lib-functions.sh"
 316
 317 # You are not expected to call test_ok_ and test_failure_ directly, use
 318 # the text_expect_* functions instead.
 319
 320 test_ok_ () {
 321         test_success=$(($test_success + 1))
 322         say_color "" "${statusprefix}ok $test_count - $@"
 323 }
 324
 325 test_failure_ () {
 326         test_failure=$(($test_failure + 1))
 327         say_color error "${statusprefix}not ok $test_count - $1"
 328         shift
 329         echo "$@" | sed -e 's/^/#       /'
 330         test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 331 }
 332
 333 test_known_broken_ok_ () {
 334         test_fixed=$(($test_fixed+1))
 335         say_color error "${statusprefix}ok $test_count - $@ # TODO known breakage vanished"
 336 }
 337
 338 test_known_broken_failure_ () {
 339         test_broken=$(($test_broken+1))
 340         say_color warn "${statusprefix}not ok $test_count - $@ # TODO known breakage"
 341 }
 342
 343 test_debug () {
 344         test "$debug" = "" || eval "$1"
 345 }
 346
 347 match_pattern_list () {
 348         arg="$1"
 349         shift
 350         test -z "$*" && return 1
 351         for pattern_
 352         do
 353                 case "$arg" in
 354                 $pattern_)
 355                         return 0
 356                 esac
 357         done
 358         return 1
 359 }
 360
 361 maybe_teardown_verbose () {
 362         test -z "$verbose_only" && return
 363         exec 4>/dev/null 3>/dev/null
 364         verbose=
 365 }
 366
 367 last_verbose=t
 368 maybe_setup_verbose () {
 369         test -z "$verbose_only" && return
 370         if match_pattern_list $test_count $verbose_only
 371         then
 372                 exec 4>&2 3>&1
 373                 # Emit a delimiting blank line when going from
 374                 # non-verbose to verbose.  Within verbose mode the
 375                 # delimiter is printed by test_expect_*.  The choice
 376                 # of the initial $last_verbose is such that before
 377                 # test 1, we do not print it.
 378                 test -z "$last_verbose" && echo >&3 ""
 379                 verbose=t
 380         else
 381                 exec 4>/dev/null 3>/dev/null
 382                 verbose=
 383         fi
 384         last_verbose=$verbose
 385 }
 386
 387 maybe_teardown_valgrind () {
 388         test -z "$GIT_VALGRIND" && return
 389         GIT_VALGRIND_ENABLED=
 390 }
 391
 392 maybe_setup_valgrind () {
 393         test -z "$GIT_VALGRIND" && return
 394         if test -z "$valgrind_only"
 395         then
 396                 GIT_VALGRIND_ENABLED=t
 397                 return
 398         fi
 399         GIT_VALGRIND_ENABLED=
 400         if match_pattern_list $test_count $valgrind_only
 401         then
 402                 GIT_VALGRIND_ENABLED=t
 403         fi
 404 }
 405
 406 test_eval_ () {
 407         # This is a separate function because some tests use
 408         # "return" to end a test_expect_success block early.
 409         eval </dev/null >&3 2>&4 "$*"
 410 }
 411
 412 test_run_ () {
 413         test_cleanup=:
 414         expecting_failure=$2
 415         setup_malloc_check
 416         test_eval_ "$1"
 417         eval_ret=$?
 418         teardown_malloc_check
 419
 420         if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
 421         then
 422                 setup_malloc_check
 423                 test_eval_ "$test_cleanup"
 424                 teardown_malloc_check
 425         fi
 426         if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
 427         then
 428                 echo ""
 429         fi
 430         return "$eval_ret"
 431 }
 432
 433 test_start_ () {
 434         test_count=$(($test_count+1))
 435         maybe_setup_verbose
 436         maybe_setup_valgrind
 437 }
 438
 439 test_finish_ () {
 440         echo >&3 ""
 441         maybe_teardown_valgrind
 442         maybe_teardown_verbose
 443 }
 444
 445 test_skip () {
 446         to_skip=
 447         if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
 448         then
 449                 to_skip=t
 450         fi
 451         if test -z "$to_skip" && test -n "$test_prereq" &&
 452            ! test_have_prereq "$test_prereq"
 453         then
 454                 to_skip=t
 455         fi
 456         case "$to_skip" in
 457         t)
 458                 of_prereq=
 459                 if test "$missing_prereq" != "$test_prereq"
 460                 then
 461                         of_prereq=" of $test_prereq"
 462                 fi
 463
 464                 say_color skip >&3 "${statusprefix}skipping test: $@"
 465                 say_color skip "${statusprefix}ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
 466                 : true
 467                 ;;
 468         *)
 469                 false
 470                 ;;
 471         esac
 472 }
 473
 474 # stub; perf-lib overrides it
 475 test_at_end_hook_ () {
 476         :
 477 }
 478
 479 test_done () {
 480         GIT_EXIT_OK=t
 481
 482         # Note: t0000 relies on $HARNESS_ACTIVE disabling the .counts
 483         # output file
 484         if test -z "$HARNESS_ACTIVE"
 485         then
 486                 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
 487                 mkdir -p "$test_results_dir"
 488                 base=${0##*/}
 489                 test_results_path="$test_results_dir/${base%.sh}-$$.counts"
 490
 491                 cat >>"$test_results_path" <<-EOF
 492                 total $test_count
 493                 success $test_success
 494                 fixed $test_fixed
 495                 broken $test_broken
 496                 failed $test_failure
 497
 498                 EOF
 499         fi
 500
 501         if test "$test_fixed" != 0
 502         then
 503                 say_color error "${statusprefix}# $test_fixed known breakage(s) vanished; please update test(s)"
 504         fi
 505         if test "$test_broken" != 0
 506         then
 507                 say_color warn "${statusprefix}# still have $test_broken known breakage(s)"
 508         fi
 509         if test "$test_broken" != 0 || test "$test_fixed" != 0
 510         then
 511                 test_remaining=$(( $test_count - $test_broken - $test_fixed ))
 512                 msg="remaining $test_remaining test(s)"
 513         else
 514                 test_remaining=$test_count
 515                 msg="$test_count test(s)"
 516         fi
 517         case "$test_failure" in
 518         0)
 519                 # Maybe print SKIP message
 520                 if test -n "$skip_all" && test $test_count -gt 0
 521                 then
 522                         error "Can't use skip_all after running some tests"
 523                 fi
 524                 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
 525
 526                 if test $test_external_has_tap -eq 0
 527                 then
 528                         if test $test_remaining -gt 0
 529                         then
 530                                 say_color pass "${statusprefix}# passed all $msg"
 531                         fi
 532                         say "${statusprefix}1..$test_count$skip_all"
 533                 fi
 534
 535                 test -d "$remove_trash" &&
 536                 cd "$(dirname "$remove_trash")" &&
 537                 rm -rf "$(basename "$remove_trash")"
 538
 539                 test_at_end_hook_
 540
 541                 exit 0 ;;
 542
 543         *)
 544                 if test $test_external_has_tap -eq 0
 545                 then
 546                         say_color error "${statusprefix}# failed $test_failure among $msg"
 547                         say "${statusprefix}1..$test_count"
 548                 fi
 549
 550                 exit 1 ;;
 551
 552         esac
 553 }
 554
 555 if test -n "$valgrind"
 556 then
 557         make_symlink () {
 558                 test -h "$2" &&
 559                 test "$1" = "$(readlink "$2")" || {
 560                         # be super paranoid
 561                         if mkdir "$2".lock
 562                         then
 563                                 rm -f "$2" &&
 564                                 ln -s "$1" "$2" &&
 565                                 rm -r "$2".lock
 566                         else
 567                                 while test -d "$2".lock
 568                                 do
 569                                         say "Waiting for lock on $2."
 570                                         sleep 1
 571                                 done
 572                         fi
 573                 }
 574         }
 575
 576         make_valgrind_symlink () {
 577                 # handle only executables, unless they are shell libraries that
 578                 # need to be in the exec-path.  We will just use "#!" as a
 579                 # guess for a shell-script, since we have no idea what the user
 580                 # may have configured as the shell path.
 581                 test -x "$1" ||
 582                 test "#!" = "$(head -c 2 <"$1")" ||
 583                 return;
 584
 585                 base=$(basename "$1")
 586                 symlink_target=$GIT_BUILD_DIR/$base
 587                 # do not override scripts
 588                 if test -x "$symlink_target" &&
 589                     test ! -d "$symlink_target" &&
 590                     test "#!" != "$(head -c 2 < "$symlink_target")"
 591                 then
 592                         symlink_target=../valgrind.sh
 593                 fi
 594                 case "$base" in
 595                 *.sh|*.perl)
 596                         symlink_target=../unprocessed-script
 597                 esac
 598                 # create the link, or replace it if it is out of date
 599                 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 600         }
 601
 602         # override all git executables in TEST_DIRECTORY/..
 603         GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 604         mkdir -p "$GIT_VALGRIND"/bin
 605         for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
 606         do
 607                 make_valgrind_symlink $file
 608         done
 609         # special-case the mergetools loadables
 610         make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
 611         OLDIFS=$IFS
 612         IFS=:
 613         for path in $PATH
 614         do
 615                 ls "$path"/git-* 2> /dev/null |
 616                 while read file
 617                 do
 618                         make_valgrind_symlink "$file"
 619                 done
 620         done
 621         IFS=$OLDIFS
 622         PATH=$GIT_VALGRIND/bin:$PATH
 623         GIT_EXEC_PATH=$GIT_VALGRIND/bin
 624         export GIT_VALGRIND
 625         GIT_VALGRIND_MODE="$valgrind"
 626         export GIT_VALGRIND_MODE
 627         GIT_VALGRIND_ENABLED=t
 628         test -n "$valgrind_only" && GIT_VALGRIND_ENABLED=
 629         export GIT_VALGRIND_ENABLED
 630 elif test -n "$GIT_TEST_INSTALLED"
 631 then
 632         GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 633         error "Cannot run git from $GIT_TEST_INSTALLED."
 634         PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
 635         GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 636 else # normal case, use ../bin-wrappers only unless $with_dashes:
 637         git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
 638         if ! test -x "$git_bin_dir/git"
 639         then
 640                 if test -z "$with_dashes"
 641                 then
 642                         say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 643                 fi
 644                 with_dashes=t
 645         fi
 646         PATH="$git_bin_dir:$PATH"
 647         GIT_EXEC_PATH=$GIT_BUILD_DIR
 648         if test -n "$with_dashes"
 649         then
 650                 PATH="$GIT_BUILD_DIR:$PATH"
 651         fi
 652 fi
 653 GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
 654 unset GIT_CONFIG
 655 GIT_CONFIG_NOSYSTEM=1
 656 GIT_ATTR_NOSYSTEM=1
 657 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
 658
 659 if test -z "$GIT_TEST_CMP"
 660 then
 661         if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
 662         then
 663                 GIT_TEST_CMP="$DIFF -c"
 664         else
 665                 GIT_TEST_CMP="$DIFF -u"
 666         fi
 667 fi
 668
 669 GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
 670 export GITPERLLIB
 671 test -d "$GIT_BUILD_DIR"/templates/blt || {
 672         error "You haven't built things yet, have you?"
 673 }
 674
 675 if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 676 then
 677         GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
 678         export GITPYTHONLIB
 679         test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
 680                 error "You haven't built git_remote_helpers yet, have you?"
 681         }
 682 fi
 683
 684 if ! test -x "$GIT_BUILD_DIR"/test-chmtime
 685 then
 686         echo >&2 'You need to build test-chmtime:'
 687         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 688         exit 1
 689 fi
 690
 691 # Test repository
 692 TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
 693 test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
 694 case "$TRASH_DIRECTORY" in
 695 /*) ;; # absolute path is good
 696  *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
 697 esac
 698 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 699 rm -fr "$TRASH_DIRECTORY" || {
 700         GIT_EXIT_OK=t
 701         echo >&5 "FATAL: Cannot prepare test area"
 702         exit 1
 703 }
 704
 705 HOME="$TRASH_DIRECTORY"
 706 export HOME
 707
 708 if test -z "$TEST_NO_CREATE_REPO"
 709 then
 710         test_create_repo "$TRASH_DIRECTORY"
 711 else
 712         mkdir -p "$TRASH_DIRECTORY"
 713 fi
 714 # Use -P to resolve symlinks in our working directory so that the cwd
 715 # in subprocesses like git equals our $PWD (for pathname comparisons).
 716 cd -P "$TRASH_DIRECTORY" || exit 1
 717
 718 this_test=${0##*/}
 719 this_test=${this_test%%-*}
 720 if match_pattern_list "$this_test" $GIT_SKIP_TESTS
 721 then
 722         say_color info >&3 "skipping test $this_test altogether"
 723         skip_all="skip all tests in $this_test"
 724         test_done
 725 fi
 726
 727 # Provide an implementation of the 'yes' utility
 728 yes () {
 729         if test $# = 0
 730         then
 731                 y=y
 732         else
 733                 y="$*"
 734         fi
 735
 736         while echo "$y"
 737         do
 738                 :
 739         done
 740 }
 741
 742 # Fix some commands on Windows
 743 case $(uname -s) in
 744 *MINGW*)
 745         # Windows has its own (incompatible) sort and find
 746         sort () {
 747                 /usr/bin/sort "$@"
 748         }
 749         find () {
 750                 /usr/bin/find "$@"
 751         }
 752         sum () {
 753                 md5sum "$@"
 754         }
 755         # git sees Windows-style pwd
 756         pwd () {
 757                 builtin pwd -W
 758         }
 759         # no POSIX permissions
 760         # backslashes in pathspec are converted to '/'
 761         # exec does not inherit the PID
 762         test_set_prereq MINGW
 763         test_set_prereq NOT_CYGWIN
 764         test_set_prereq SED_STRIPS_CR
 765         ;;
 766 *CYGWIN*)
 767         test_set_prereq POSIXPERM
 768         test_set_prereq EXECKEEPSPID
 769         test_set_prereq NOT_MINGW
 770         test_set_prereq CYGWIN
 771         test_set_prereq SED_STRIPS_CR
 772         ;;
 773 *)
 774         test_set_prereq POSIXPERM
 775         test_set_prereq BSLASHPSPEC
 776         test_set_prereq EXECKEEPSPID
 777         test_set_prereq NOT_MINGW
 778         test_set_prereq NOT_CYGWIN
 779         ;;
 780 esac
 781
 782 ( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
 783 test -z "$NO_PERL" && test_set_prereq PERL
 784 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 785 test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 786 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
 787
 788 # Can we rely on git's output in the C locale?
 789 if test -n "$GETTEXT_POISON"
 790 then
 791         GIT_GETTEXT_POISON=YesPlease
 792         export GIT_GETTEXT_POISON
 793         test_set_prereq GETTEXT_POISON
 794 else
 795         test_set_prereq C_LOCALE_OUTPUT
 796 fi
 797
 798 # Use this instead of test_cmp to compare files that contain expected and
 799 # actual output from git commands that can be translated.  When running
 800 # under GETTEXT_POISON this pretends that the command produced expected
 801 # results.
 802 test_i18ncmp () {
 803         test -n "$GETTEXT_POISON" || test_cmp "$@"
 804 }
 805
 806 # Use this instead of "grep expected-string actual" to see if the
 807 # output from a git command that can be translated either contains an
 808 # expected string, or does not contain an unwanted one.  When running
 809 # under GETTEXT_POISON this pretends that the command produced expected
 810 # results.
 811 test_i18ngrep () {
 812         if test -n "$GETTEXT_POISON"
 813         then
 814             : # pretend success
 815         elif test "x!" = "x$1"
 816         then
 817                 shift
 818                 ! grep "$@"
 819         else
 820                 grep "$@"
 821         fi
 822 }
 823
 824 test_lazy_prereq PIPE '
 825         # test whether the filesystem supports FIFOs
 826         rm -f testfifo && mkfifo testfifo
 827 '
 828
 829 test_lazy_prereq SYMLINKS '
 830         # test whether the filesystem supports symbolic links
 831         ln -s x y && test -h y
 832 '
 833
 834 test_lazy_prereq CASE_INSENSITIVE_FS '
 835         echo good >CamelCase &&
 836         echo bad >camelcase &&
 837         test "$(cat CamelCase)" != good
 838 '
 839
 840 test_lazy_prereq UTF8_NFD_TO_NFC '
 841         # check whether FS converts nfd unicode to nfc
 842         auml=$(printf "\303\244")
 843         aumlcdiar=$(printf "\141\314\210")
 844         >"$auml" &&
 845         case "$(echo *)" in
 846         "$aumlcdiar")
 847                 true ;;
 848         *)
 849                 false ;;
 850         esac
 851 '
 852
 853 test_lazy_prereq AUTOIDENT '
 854         sane_unset GIT_AUTHOR_NAME &&
 855         sane_unset GIT_AUTHOR_EMAIL &&
 856         git var GIT_AUTHOR_IDENT
 857 '
 858
 859 # When the tests are run as root, permission tests will report that
 860 # things are writable when they shouldn't be.
 861 test -w / || test_set_prereq SANITY
 862
 863 GIT_UNZIP=${GIT_UNZIP:-unzip}
 864 test_lazy_prereq UNZIP '
 865         "$GIT_UNZIP" -v
 866         test $? -ne 127
 867 '