t/test-lib.sh

   1 # Test framework for git.  See t/README for usage.
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see http://www.gnu.org/licenses/ .
  17
  18 # Keep the original TERM for say_color
  19 ORIGINAL_TERM=$TERM
  20
  21 # Test the binaries we have just built.  The tests are kept in
  22 # t/ subdirectory and are run in 'trash directory' subdirectory.
  23 if test -z "$TEST_DIRECTORY"
  24 then
  25         # We allow tests to override this, in case they want to run tests
  26         # outside of t/, e.g. for running tests on the test library
  27         # itself.
  28         TEST_DIRECTORY=$(pwd)
  29 else
  30         # ensure that TEST_DIRECTORY is an absolute path so that it
  31         # is valid even if the current working directory is changed
  32         TEST_DIRECTORY=$(cd "$TEST_DIRECTORY" && pwd) || exit 1
  33 fi
  34 if test -z "$TEST_OUTPUT_DIRECTORY"
  35 then
  36         # Similarly, override this to store the test-results subdir
  37         # elsewhere
  38         TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
  39 fi
  40 GIT_BUILD_DIR="$TEST_DIRECTORY"/..
  41
  42 ################################################################
  43 # It appears that people try to run tests without building...
  44 "$GIT_BUILD_DIR/git" >/dev/null
  45 if test $? != 1
  46 then
  47         echo >&2 'error: you do not seem to have built git yet.'
  48         exit 1
  49 fi
  50
  51 . "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
  52 export PERL_PATH SHELL_PATH
  53
  54 # if --tee was passed, write the output not only to the terminal, but
  55 # additionally to the file test-results/$BASENAME.out, too.
  56 case "$GIT_TEST_TEE_STARTED, $* " in
  57 done,*)
  58         # do not redirect again
  59         ;;
  60 *' --tee '*|*' --va'*)
  61         mkdir -p "$TEST_OUTPUT_DIRECTORY/test-results"
  62         BASE="$TEST_OUTPUT_DIRECTORY/test-results/$(basename "$0" .sh)"
  63         (GIT_TEST_TEE_STARTED=done ${SHELL_PATH} "$0" "$@" 2>&1;
  64          echo $? > $BASE.exit) | tee $BASE.out
  65         test "$(cat $BASE.exit)" = 0
  66         exit
  67         ;;
  68 esac
  69
  70 # For repeatability, reset the environment to known value.
  71 LANG=C
  72 LC_ALL=C
  73 PAGER=cat
  74 TZ=UTC
  75 TERM=dumb
  76 export LANG LC_ALL PAGER TERM TZ
  77 EDITOR=:
  78 # A call to "unset" with no arguments causes at least Solaris 10
  79 # /usr/xpg4/bin/sh and /bin/ksh to bail out.  So keep the unsets
  80 # deriving from the command substitution clustered with the other
  81 # ones.
  82 unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
  83         my @env = keys %ENV;
  84         my $ok = join("|", qw(
  85                 TRACE
  86                 DEBUG
  87                 USE_LOOKUP
  88                 TEST
  89                 .*_TEST
  90                 PROVE
  91                 VALGRIND
  92                 UNZIP
  93                 PERF_
  94         ));
  95         my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
  96         print join("\n", @vars);
  97 ')
  98 unset XDG_CONFIG_HOME
  99 unset GITPERLLIB
 100 GIT_AUTHOR_EMAIL=author@example.com
 101 GIT_AUTHOR_NAME='A U Thor'
 102 GIT_COMMITTER_EMAIL=committer@example.com
 103 GIT_COMMITTER_NAME='C O Mitter'
 104 GIT_MERGE_VERBOSITY=5
 105 GIT_MERGE_AUTOEDIT=no
 106 export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
 107 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 108 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 109 export EDITOR
 110
 111 if test -n "${TEST_GIT_INDEX_VERSION:+isset}"
 112 then
 113         GIT_INDEX_VERSION="$TEST_GIT_INDEX_VERSION"
 114         export GIT_INDEX_VERSION
 115 fi
 116
 117 # Add libc MALLOC and MALLOC_PERTURB test
 118 # only if we are not executing the test with valgrind
 119 if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
 120    test -n "$TEST_NO_MALLOC_CHECK"
 121 then
 122         setup_malloc_check () {
 123                 : nothing
 124         }
 125         teardown_malloc_check () {
 126                 : nothing
 127         }
 128 else
 129         setup_malloc_check () {
 130                 MALLOC_CHECK_=3 MALLOC_PERTURB_=165
 131                 export MALLOC_CHECK_ MALLOC_PERTURB_
 132         }
 133         teardown_malloc_check () {
 134                 unset MALLOC_CHECK_ MALLOC_PERTURB_
 135         }
 136 fi
 137
 138 # Protect ourselves from common misconfiguration to export
 139 # CDPATH into the environment
 140 unset CDPATH
 141
 142 unset GREP_OPTIONS
 143 unset UNZIP
 144
 145 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
 146 1|2|true)
 147         echo "* warning: Some tests will not work if GIT_TRACE" \
 148                 "is set as to trace on STDERR ! *"
 149         echo "* warning: Please set GIT_TRACE to something" \
 150                 "other than 1, 2 or true ! *"
 151         ;;
 152 esac
 153
 154 # Convenience
 155 #
 156 # A regexp to match 5 and 40 hexdigits
 157 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
 158 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 159
 160 # Zero SHA-1
 161 _z40=0000000000000000000000000000000000000000
 162
 163 # Line feed
 164 LF='
 165 '
 166
 167 # UTF-8 ZERO WIDTH NON-JOINER, which HFS+ ignores
 168 # when case-folding filenames
 169 u200c=$(printf '\342\200\214')
 170
 171 export _x05 _x40 _z40 LF u200c
 172
 173 # Each test should start with something like this, after copyright notices:
 174 #
 175 # test_description='Description of this test...
 176 # This test checks if command xyzzy does the right thing...
 177 # '
 178 # . ./test-lib.sh
 179 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
 180                 TERM=$ORIGINAL_TERM &&
 181                 export TERM &&
 182                 [ -t 1 ] &&
 183                 tput bold >/dev/null 2>&1 &&
 184                 tput setaf 1 >/dev/null 2>&1 &&
 185                 tput sgr0 >/dev/null 2>&1
 186         ) &&
 187         color=t
 188
 189 while test "$#" -ne 0
 190 do
 191         case "$1" in
 192         -d|--d|--de|--deb|--debu|--debug)
 193                 debug=t; shift ;;
 194         -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 195                 immediate=t; shift ;;
 196         -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 197                 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 198         -h|--h|--he|--hel|--help)
 199                 help=t; shift ;;
 200         -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 201                 verbose=t; shift ;;
 202         --verbose-only=*)
 203                 verbose_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
 204                 shift ;;
 205         -q|--q|--qu|--qui|--quie|--quiet)
 206                 # Ignore --quiet under a TAP::Harness. Saying how many tests
 207                 # passed without the ok/not ok details is always an error.
 208                 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
 209         --with-dashes)
 210                 with_dashes=t; shift ;;
 211         --no-color)
 212                 color=; shift ;;
 213         --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 214                 valgrind=memcheck
 215                 shift ;;
 216         --valgrind=*)
 217                 valgrind=$(expr "z$1" : 'z[^=]*=\(.*\)')
 218                 shift ;;
 219         --valgrind-only=*)
 220                 valgrind_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
 221                 shift ;;
 222         --tee)
 223                 shift ;; # was handled already
 224         --root=*)
 225                 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 226                 shift ;;
 227         *)
 228                 echo "error: unknown test option '$1'" >&2; exit 1 ;;
 229         esac
 230 done
 231
 232 if test -n "$valgrind_only"
 233 then
 234         test -z "$valgrind" && valgrind=memcheck
 235         test -z "$verbose" && verbose_only="$valgrind_only"
 236 elif test -n "$valgrind"
 237 then
 238         verbose=t
 239 fi
 240
 241 if test -n "$color"
 242 then
 243         say_color () {
 244                 (
 245                 TERM=$ORIGINAL_TERM
 246                 export TERM
 247                 case "$1" in
 248                 error)
 249                         tput bold; tput setaf 1;; # bold red
 250                 skip)
 251                         tput setaf 4;; # blue
 252                 warn)
 253                         tput setaf 3;; # brown/yellow
 254                 pass)
 255                         tput setaf 2;; # green
 256                 info)
 257                         tput setaf 6;; # cyan
 258                 *)
 259                         test -n "$quiet" && return;;
 260                 esac
 261                 shift
 262                 printf "%s" "$*"
 263                 tput sgr0
 264                 echo
 265                 )
 266         }
 267 else
 268         say_color() {
 269                 test -z "$1" && test -n "$quiet" && return
 270                 shift
 271                 printf "%s\n" "$*"
 272         }
 273 fi
 274
 275 error () {
 276         say_color error "error: $*"
 277         GIT_EXIT_OK=t
 278         exit 1
 279 }
 280
 281 say () {
 282         say_color info "$*"
 283 }
 284
 285 test "${test_description}" != "" ||
 286 error "Test script did not set test_description."
 287
 288 if test "$help" = "t"
 289 then
 290         printf '%s\n' "$test_description"
 291         exit 0
 292 fi
 293
 294 exec 5>&1
 295 exec 6<&0
 296 if test "$verbose" = "t"
 297 then
 298         exec 4>&2 3>&1
 299 else
 300         exec 4>/dev/null 3>/dev/null
 301 fi
 302
 303 test_failure=0
 304 test_count=0
 305 test_fixed=0
 306 test_broken=0
 307 test_success=0
 308
 309 test_external_has_tap=0
 310
 311 die () {
 312         code=$?
 313         if test -n "$GIT_EXIT_OK"
 314         then
 315                 exit $code
 316         else
 317                 echo >&5 "FATAL: Unexpected exit with code $code"
 318                 exit 1
 319         fi
 320 }
 321
 322 GIT_EXIT_OK=
 323 trap 'die' EXIT
 324
 325 # The user-facing functions are loaded from a separate file so that
 326 # test_perf subshells can have them too
 327 . "$TEST_DIRECTORY/test-lib-functions.sh"
 328
 329 # You are not expected to call test_ok_ and test_failure_ directly, use
 330 # the test_expect_* functions instead.
 331
 332 test_ok_ () {
 333         test_success=$(($test_success + 1))
 334         say_color "" "ok $test_count - $@"
 335 }
 336
 337 test_failure_ () {
 338         test_failure=$(($test_failure + 1))
 339         say_color error "not ok $test_count - $1"
 340         shift
 341         printf '%s\n' "$*" | sed -e 's/^/#      /'
 342         test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 343 }
 344
 345 test_known_broken_ok_ () {
 346         test_fixed=$(($test_fixed+1))
 347         say_color error "ok $test_count - $@ # TODO known breakage vanished"
 348 }
 349
 350 test_known_broken_failure_ () {
 351         test_broken=$(($test_broken+1))
 352         say_color warn "not ok $test_count - $@ # TODO known breakage"
 353 }
 354
 355 test_debug () {
 356         test "$debug" = "" || eval "$1"
 357 }
 358
 359 match_pattern_list () {
 360         arg="$1"
 361         shift
 362         test -z "$*" && return 1
 363         for pattern_
 364         do
 365                 case "$arg" in
 366                 $pattern_)
 367                         return 0
 368                 esac
 369         done
 370         return 1
 371 }
 372
 373 maybe_teardown_verbose () {
 374         test -z "$verbose_only" && return
 375         exec 4>/dev/null 3>/dev/null
 376         verbose=
 377 }
 378
 379 last_verbose=t
 380 maybe_setup_verbose () {
 381         test -z "$verbose_only" && return
 382         if match_pattern_list $test_count $verbose_only
 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"
 407         then
 408                 GIT_VALGRIND_ENABLED=t
 409                 return
 410         fi
 411         GIT_VALGRIND_ENABLED=
 412         if match_pattern_list $test_count $valgrind_only
 413         then
 414                 GIT_VALGRIND_ENABLED=t
 415         fi
 416 }
 417
 418 test_eval_ () {
 419         # This is a separate function because some tests use
 420         # "return" to end a test_expect_success block early.
 421         eval </dev/null >&3 2>&4 "$*"
 422 }
 423
 424 test_run_ () {
 425         test_cleanup=:
 426         expecting_failure=$2
 427         setup_malloc_check
 428         test_eval_ "$1"
 429         eval_ret=$?
 430         teardown_malloc_check
 431
 432         if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
 433         then
 434                 setup_malloc_check
 435                 test_eval_ "$test_cleanup"
 436                 teardown_malloc_check
 437         fi
 438         if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
 439         then
 440                 echo ""
 441         fi
 442         return "$eval_ret"
 443 }
 444
 445 test_start_ () {
 446         test_count=$(($test_count+1))
 447         maybe_setup_verbose
 448         maybe_setup_valgrind
 449 }
 450
 451 test_finish_ () {
 452         echo >&3 ""
 453         maybe_teardown_valgrind
 454         maybe_teardown_verbose
 455 }
 456
 457 test_skip () {
 458         to_skip=
 459         if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
 460         then
 461                 to_skip=t
 462         fi
 463         if test -z "$to_skip" && test -n "$test_prereq" &&
 464            ! test_have_prereq "$test_prereq"
 465         then
 466                 to_skip=t
 467         fi
 468         case "$to_skip" in
 469         t)
 470                 of_prereq=
 471                 if test "$missing_prereq" != "$test_prereq"
 472                 then
 473                         of_prereq=" of $test_prereq"
 474                 fi
 475
 476                 say_color skip >&3 "skipping test: $@"
 477                 say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
 478                 : true
 479                 ;;
 480         *)
 481                 false
 482                 ;;
 483         esac
 484 }
 485
 486 # stub; perf-lib overrides it
 487 test_at_end_hook_ () {
 488         :
 489 }
 490
 491 test_done () {
 492         GIT_EXIT_OK=t
 493
 494         if test -z "$HARNESS_ACTIVE"
 495         then
 496                 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
 497                 mkdir -p "$test_results_dir"
 498                 base=${0##*/}
 499                 test_results_path="$test_results_dir/${base%.sh}-$$.counts"
 500
 501                 cat >>"$test_results_path" <<-EOF
 502                 total $test_count
 503                 success $test_success
 504                 fixed $test_fixed
 505                 broken $test_broken
 506                 failed $test_failure
 507
 508                 EOF
 509         fi
 510
 511         if test "$test_fixed" != 0
 512         then
 513                 say_color error "# $test_fixed known breakage(s) vanished; please update test(s)"
 514         fi
 515         if test "$test_broken" != 0
 516         then
 517                 say_color warn "# still have $test_broken known breakage(s)"
 518         fi
 519         if test "$test_broken" != 0 || test "$test_fixed" != 0
 520         then
 521                 test_remaining=$(( $test_count - $test_broken - $test_fixed ))
 522                 msg="remaining $test_remaining test(s)"
 523         else
 524                 test_remaining=$test_count
 525                 msg="$test_count test(s)"
 526         fi
 527         case "$test_failure" in
 528         0)
 529                 # Maybe print SKIP message
 530                 if test -n "$skip_all" && test $test_count -gt 0
 531                 then
 532                         error "Can't use skip_all after running some tests"
 533                 fi
 534                 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
 535
 536                 if test $test_external_has_tap -eq 0
 537                 then
 538                         if test $test_remaining -gt 0
 539                         then
 540                                 say_color pass "# passed all $msg"
 541                         fi
 542                         say "1..$test_count$skip_all"
 543                 fi
 544
 545                 test -d "$remove_trash" &&
 546                 cd "$(dirname "$remove_trash")" &&
 547                 rm -rf "$(basename "$remove_trash")"
 548
 549                 test_at_end_hook_
 550
 551                 exit 0 ;;
 552
 553         *)
 554                 if test $test_external_has_tap -eq 0
 555                 then
 556                         say_color error "# failed $test_failure among $msg"
 557                         say "1..$test_count"
 558                 fi
 559
 560                 exit 1 ;;
 561
 562         esac
 563 }
 564
 565 if test -n "$valgrind"
 566 then
 567         make_symlink () {
 568                 test -h "$2" &&
 569                 test "$1" = "$(readlink "$2")" || {
 570                         # be super paranoid
 571                         if mkdir "$2".lock
 572                         then
 573                                 rm -f "$2" &&
 574                                 ln -s "$1" "$2" &&
 575                                 rm -r "$2".lock
 576                         else
 577                                 while test -d "$2".lock
 578                                 do
 579                                         say "Waiting for lock on $2."
 580                                         sleep 1
 581                                 done
 582                         fi
 583                 }
 584         }
 585
 586         make_valgrind_symlink () {
 587                 # handle only executables, unless they are shell libraries that
 588                 # need to be in the exec-path.
 589                 test -x "$1" ||
 590                 test "# " = "$(head -c 2 <"$1")" ||
 591                 return;
 592
 593                 base=$(basename "$1")
 594                 symlink_target=$GIT_BUILD_DIR/$base
 595                 # do not override scripts
 596                 if test -x "$symlink_target" &&
 597                     test ! -d "$symlink_target" &&
 598                     test "#!" != "$(head -c 2 < "$symlink_target")"
 599                 then
 600                         symlink_target=../valgrind.sh
 601                 fi
 602                 case "$base" in
 603                 *.sh|*.perl)
 604                         symlink_target=../unprocessed-script
 605                 esac
 606                 # create the link, or replace it if it is out of date
 607                 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 608         }
 609
 610         # override all git executables in TEST_DIRECTORY/..
 611         GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 612         mkdir -p "$GIT_VALGRIND"/bin
 613         for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
 614         do
 615                 make_valgrind_symlink $file
 616         done
 617         # special-case the mergetools loadables
 618         make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
 619         OLDIFS=$IFS
 620         IFS=:
 621         for path in $PATH
 622         do
 623                 ls "$path"/git-* 2> /dev/null |
 624                 while read file
 625                 do
 626                         make_valgrind_symlink "$file"
 627                 done
 628         done
 629         IFS=$OLDIFS
 630         PATH=$GIT_VALGRIND/bin:$PATH
 631         GIT_EXEC_PATH=$GIT_VALGRIND/bin
 632         export GIT_VALGRIND
 633         GIT_VALGRIND_MODE="$valgrind"
 634         export GIT_VALGRIND_MODE
 635         GIT_VALGRIND_ENABLED=t
 636         test -n "$valgrind_only" && GIT_VALGRIND_ENABLED=
 637         export GIT_VALGRIND_ENABLED
 638 elif test -n "$GIT_TEST_INSTALLED"
 639 then
 640         GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 641         error "Cannot run git from $GIT_TEST_INSTALLED."
 642         PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
 643         GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 644 else # normal case, use ../bin-wrappers only unless $with_dashes:
 645         git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
 646         if ! test -x "$git_bin_dir/git"
 647         then
 648                 if test -z "$with_dashes"
 649                 then
 650                         say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 651                 fi
 652                 with_dashes=t
 653         fi
 654         PATH="$git_bin_dir:$PATH"
 655         GIT_EXEC_PATH=$GIT_BUILD_DIR
 656         if test -n "$with_dashes"
 657         then
 658                 PATH="$GIT_BUILD_DIR:$PATH"
 659         fi
 660 fi
 661 GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
 662 GIT_CONFIG_NOSYSTEM=1
 663 GIT_ATTR_NOSYSTEM=1
 664 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
 665
 666 if test -z "$GIT_TEST_CMP"
 667 then
 668         if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
 669         then
 670                 GIT_TEST_CMP="$DIFF -c"
 671         else
 672                 GIT_TEST_CMP="$DIFF -u"
 673         fi
 674 fi
 675
 676 GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
 677 export GITPERLLIB
 678 test -d "$GIT_BUILD_DIR"/templates/blt || {
 679         error "You haven't built things yet, have you?"
 680 }
 681
 682 if ! test -x "$GIT_BUILD_DIR"/test-chmtime
 683 then
 684         echo >&2 'You need to build test-chmtime:'
 685         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 686         exit 1
 687 fi
 688
 689 # Test repository
 690 TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
 691 test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
 692 case "$TRASH_DIRECTORY" in
 693 /*) ;; # absolute path is good
 694  *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
 695 esac
 696 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 697 rm -fr "$TRASH_DIRECTORY" || {
 698         GIT_EXIT_OK=t
 699         echo >&5 "FATAL: Cannot prepare test area"
 700         exit 1
 701 }
 702
 703 HOME="$TRASH_DIRECTORY"
 704 export HOME
 705
 706 if test -z "$TEST_NO_CREATE_REPO"
 707 then
 708         test_create_repo "$TRASH_DIRECTORY"
 709 else
 710         mkdir -p "$TRASH_DIRECTORY"
 711 fi
 712 # Use -P to resolve symlinks in our working directory so that the cwd
 713 # in subprocesses like git equals our $PWD (for pathname comparisons).
 714 cd -P "$TRASH_DIRECTORY" || exit 1
 715
 716 this_test=${0##*/}
 717 this_test=${this_test%%-*}
 718 if match_pattern_list "$this_test" $GIT_SKIP_TESTS
 719 then
 720         say_color info >&3 "skipping test $this_test altogether"
 721         skip_all="skip all tests in $this_test"
 722         test_done
 723 fi
 724
 725 # Provide an implementation of the 'yes' utility
 726 yes () {
 727         if test $# = 0
 728         then
 729                 y=y
 730         else
 731                 y="$*"
 732         fi
 733
 734         while echo "$y"
 735         do
 736                 :
 737         done
 738 }
 739
 740 # Fix some commands on Windows
 741 case $(uname -s) in
 742 *MINGW*)
 743         # Windows has its own (incompatible) sort and find
 744         sort () {
 745                 /usr/bin/sort "$@"
 746         }
 747         find () {
 748                 /usr/bin/find "$@"
 749         }
 750         sum () {
 751                 md5sum "$@"
 752         }
 753         # git sees Windows-style pwd
 754         pwd () {
 755                 builtin pwd -W
 756         }
 757         # no POSIX permissions
 758         # backslashes in pathspec are converted to '/'
 759         # exec does not inherit the PID
 760         test_set_prereq MINGW
 761         test_set_prereq NOT_CYGWIN
 762         test_set_prereq SED_STRIPS_CR
 763         test_set_prereq GREP_STRIPS_CR
 764         GIT_TEST_CMP=mingw_test_cmp
 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         test_set_prereq GREP_STRIPS_CR
 773         ;;
 774 *)
 775         test_set_prereq POSIXPERM
 776         test_set_prereq BSLASHPSPEC
 777         test_set_prereq EXECKEEPSPID
 778         test_set_prereq NOT_MINGW
 779         test_set_prereq NOT_CYGWIN
 780         ;;
 781 esac
 782
 783 ( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
 784 test -z "$NO_PERL" && test_set_prereq PERL
 785 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 786 test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 787 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
 788
 789 # Can we rely on git's output in the C locale?
 790 if test -n "$GETTEXT_POISON"
 791 then
 792         GIT_GETTEXT_POISON=YesPlease
 793         export GIT_GETTEXT_POISON
 794         test_set_prereq GETTEXT_POISON
 795 else
 796         test_set_prereq C_LOCALE_OUTPUT
 797 fi
 798
 799 # Use this instead of test_cmp to compare files that contain expected and
 800 # actual output from git commands that can be translated.  When running
 801 # under GETTEXT_POISON this pretends that the command produced expected
 802 # results.
 803 test_i18ncmp () {
 804         test -n "$GETTEXT_POISON" || test_cmp "$@"
 805 }
 806
 807 # Use this instead of "grep expected-string actual" to see if the
 808 # output from a git command that can be translated either contains an
 809 # expected string, or does not contain an unwanted one.  When running
 810 # under GETTEXT_POISON this pretends that the command produced expected
 811 # results.
 812 test_i18ngrep () {
 813         if test -n "$GETTEXT_POISON"
 814         then
 815             : # pretend success
 816         elif test "x!" = "x$1"
 817         then
 818                 shift
 819                 ! grep "$@"
 820         else
 821                 grep "$@"
 822         fi
 823 }
 824
 825 test_lazy_prereq PIPE '
 826         # test whether the filesystem supports FIFOs
 827         case $(uname -s) in
 828         CYGWIN*)
 829                 false
 830                 ;;
 831         *)
 832                 rm -f testfifo && mkfifo testfifo
 833                 ;;
 834         esac
 835 '
 836
 837 test_lazy_prereq SYMLINKS '
 838         # test whether the filesystem supports symbolic links
 839         ln -s x y && test -h y
 840 '
 841
 842 test_lazy_prereq FILEMODE '
 843         test "$(git config --bool core.filemode)" = true
 844 '
 845
 846 test_lazy_prereq CASE_INSENSITIVE_FS '
 847         echo good >CamelCase &&
 848         echo bad >camelcase &&
 849         test "$(cat CamelCase)" != good
 850 '
 851
 852 test_lazy_prereq UTF8_NFD_TO_NFC '
 853         # check whether FS converts nfd unicode to nfc
 854         auml=$(printf "\303\244")
 855         aumlcdiar=$(printf "\141\314\210")
 856         >"$auml" &&
 857         case "$(echo *)" in
 858         "$aumlcdiar")
 859                 true ;;
 860         *)
 861                 false ;;
 862         esac
 863 '
 864
 865 test_lazy_prereq AUTOIDENT '
 866         sane_unset GIT_AUTHOR_NAME &&
 867         sane_unset GIT_AUTHOR_EMAIL &&
 868         git var GIT_AUTHOR_IDENT
 869 '
 870
 871 # When the tests are run as root, permission tests will report that
 872 # things are writable when they shouldn't be.
 873 test -w / || test_set_prereq SANITY
 874
 875 GIT_UNZIP=${GIT_UNZIP:-unzip}
 876 test_lazy_prereq UNZIP '
 877         "$GIT_UNZIP" -v
 878         test $? -ne 127
 879 '