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 $ok = join("|", qw(
  81                 TRACE
  82                 DEBUG
  83                 USE_LOOKUP
  84                 TEST
  85                 .*_TEST
  86                 PROVE
  87                 VALGRIND
  88                 PERF_AGGREGATING_LATER
  89         ));
  90         my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
  91         print join("\n", @vars);
  92 ')
  93 unset XDG_CONFIG_HOME
  94 GIT_AUTHOR_EMAIL=author@example.com
  95 GIT_AUTHOR_NAME='A U Thor'
  96 GIT_COMMITTER_EMAIL=committer@example.com
  97 GIT_COMMITTER_NAME='C O Mitter'
  98 GIT_MERGE_VERBOSITY=5
  99 GIT_MERGE_AUTOEDIT=no
 100 export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
 101 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 102 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 103 export EDITOR
 104
 105 # Protect ourselves from common misconfiguration to export
 106 # CDPATH into the environment
 107 unset CDPATH
 108
 109 unset GREP_OPTIONS
 110
 111 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
 112         1|2|true)
 113                 echo "* warning: Some tests will not work if GIT_TRACE" \
 114                         "is set as to trace on STDERR ! *"
 115                 echo "* warning: Please set GIT_TRACE to something" \
 116                         "other than 1, 2 or true ! *"
 117                 ;;
 118 esac
 119
 120 # Convenience
 121 #
 122 # A regexp to match 5 and 40 hexdigits
 123 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
 124 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 125
 126 # Zero SHA-1
 127 _z40=0000000000000000000000000000000000000000
 128
 129 # Line feed
 130 LF='
 131 '
 132
 133 export _x05 _x40 _z40 LF
 134
 135 # Each test should start with something like this, after copyright notices:
 136 #
 137 # test_description='Description of this test...
 138 # This test checks if command xyzzy does the right thing...
 139 # '
 140 # . ./test-lib.sh
 141 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
 142                 TERM=$ORIGINAL_TERM &&
 143                 export TERM &&
 144                 [ -t 1 ] &&
 145                 tput bold >/dev/null 2>&1 &&
 146                 tput setaf 1 >/dev/null 2>&1 &&
 147                 tput sgr0 >/dev/null 2>&1
 148         ) &&
 149         color=t
 150
 151 while test "$#" -ne 0
 152 do
 153         case "$1" in
 154         -d|--d|--de|--deb|--debu|--debug)
 155                 debug=t; shift ;;
 156         -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 157                 immediate=t; shift ;;
 158         -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 159                 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 160         -h|--h|--he|--hel|--help)
 161                 help=t; shift ;;
 162         -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 163                 verbose=t; shift ;;
 164         -q|--q|--qu|--qui|--quie|--quiet)
 165                 # Ignore --quiet under a TAP::Harness. Saying how many tests
 166                 # passed without the ok/not ok details is always an error.
 167                 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
 168         --with-dashes)
 169                 with_dashes=t; shift ;;
 170         --no-color)
 171                 color=; shift ;;
 172         --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 173                 valgrind=t; verbose=t; shift ;;
 174         --tee)
 175                 shift ;; # was handled already
 176         --root=*)
 177                 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 178                 shift ;;
 179         *)
 180                 echo "error: unknown test option '$1'" >&2; exit 1 ;;
 181         esac
 182 done
 183
 184 if test -n "$color"; then
 185         say_color () {
 186                 (
 187                 TERM=$ORIGINAL_TERM
 188                 export TERM
 189                 case "$1" in
 190                         error) tput bold; tput setaf 1;; # bold red
 191                         skip)  tput bold; tput setaf 2;; # bold green
 192                         pass)  tput setaf 2;;            # green
 193                         info)  tput setaf 3;;            # brown
 194                         *) test -n "$quiet" && return;;
 195                 esac
 196                 shift
 197                 printf "%s" "$*"
 198                 tput sgr0
 199                 echo
 200                 )
 201         }
 202 else
 203         say_color() {
 204                 test -z "$1" && test -n "$quiet" && return
 205                 shift
 206                 echo "$*"
 207         }
 208 fi
 209
 210 error () {
 211         say_color error "error: $*"
 212         GIT_EXIT_OK=t
 213         exit 1
 214 }
 215
 216 say () {
 217         say_color info "$*"
 218 }
 219
 220 test "${test_description}" != "" ||
 221 error "Test script did not set test_description."
 222
 223 if test "$help" = "t"
 224 then
 225         echo "$test_description"
 226         exit 0
 227 fi
 228
 229 exec 5>&1
 230 exec 6<&0
 231 if test "$verbose" = "t"
 232 then
 233         exec 4>&2 3>&1
 234 else
 235         exec 4>/dev/null 3>/dev/null
 236 fi
 237
 238 test_failure=0
 239 test_count=0
 240 test_fixed=0
 241 test_broken=0
 242 test_success=0
 243
 244 test_external_has_tap=0
 245
 246 die () {
 247         code=$?
 248         if test -n "$GIT_EXIT_OK"
 249         then
 250                 exit $code
 251         else
 252                 echo >&5 "FATAL: Unexpected exit with code $code"
 253                 exit 1
 254         fi
 255 }
 256
 257 GIT_EXIT_OK=
 258 trap 'die' EXIT
 259
 260 # The user-facing functions are loaded from a separate file so that
 261 # test_perf subshells can have them too
 262 . "$TEST_DIRECTORY/test-lib-functions.sh"
 263
 264 # You are not expected to call test_ok_ and test_failure_ directly, use
 265 # the text_expect_* functions instead.
 266
 267 test_ok_ () {
 268         test_success=$(($test_success + 1))
 269         say_color "" "ok $test_count - $@"
 270 }
 271
 272 test_failure_ () {
 273         test_failure=$(($test_failure + 1))
 274         say_color error "not ok - $test_count $1"
 275         shift
 276         echo "$@" | sed -e 's/^/#       /'
 277         test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 278 }
 279
 280 test_known_broken_ok_ () {
 281         test_fixed=$(($test_fixed+1))
 282         say_color "" "ok $test_count - $@ # TODO known breakage"
 283 }
 284
 285 test_known_broken_failure_ () {
 286         test_broken=$(($test_broken+1))
 287         say_color skip "not ok $test_count - $@ # TODO known breakage"
 288 }
 289
 290 test_debug () {
 291         test "$debug" = "" || eval "$1"
 292 }
 293
 294 test_eval_ () {
 295         # This is a separate function because some tests use
 296         # "return" to end a test_expect_success block early.
 297         eval </dev/null >&3 2>&4 "$*"
 298 }
 299
 300 test_run_ () {
 301         test_cleanup=:
 302         expecting_failure=$2
 303         test_eval_ "$1"
 304         eval_ret=$?
 305
 306         if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
 307         then
 308                 test_eval_ "$test_cleanup"
 309         fi
 310         if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then
 311                 echo ""
 312         fi
 313         return "$eval_ret"
 314 }
 315
 316 test_skip () {
 317         test_count=$(($test_count+1))
 318         to_skip=
 319         for skp in $GIT_SKIP_TESTS
 320         do
 321                 case $this_test.$test_count in
 322                 $skp)
 323                         to_skip=t
 324                         break
 325                 esac
 326         done
 327         if test -z "$to_skip" && test -n "$test_prereq" &&
 328            ! test_have_prereq "$test_prereq"
 329         then
 330                 to_skip=t
 331         fi
 332         case "$to_skip" in
 333         t)
 334                 of_prereq=
 335                 if test "$missing_prereq" != "$test_prereq"
 336                 then
 337                         of_prereq=" of $test_prereq"
 338                 fi
 339
 340                 say_color skip >&3 "skipping test: $@"
 341                 say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
 342                 : true
 343                 ;;
 344         *)
 345                 false
 346                 ;;
 347         esac
 348 }
 349
 350 # stub; perf-lib overrides it
 351 test_at_end_hook_ () {
 352         :
 353 }
 354
 355 test_done () {
 356         GIT_EXIT_OK=t
 357
 358         if test -z "$HARNESS_ACTIVE"; then
 359                 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
 360                 mkdir -p "$test_results_dir"
 361                 test_results_path="$test_results_dir/${0%.sh}-$$.counts"
 362
 363                 cat >>"$test_results_path" <<-EOF
 364                 total $test_count
 365                 success $test_success
 366                 fixed $test_fixed
 367                 broken $test_broken
 368                 failed $test_failure
 369
 370                 EOF
 371         fi
 372
 373         if test "$test_fixed" != 0
 374         then
 375                 say_color pass "# fixed $test_fixed known breakage(s)"
 376         fi
 377         if test "$test_broken" != 0
 378         then
 379                 say_color error "# still have $test_broken known breakage(s)"
 380                 msg="remaining $(($test_count-$test_broken)) test(s)"
 381         else
 382                 msg="$test_count test(s)"
 383         fi
 384         case "$test_failure" in
 385         0)
 386                 # Maybe print SKIP message
 387                 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
 388
 389                 if test $test_external_has_tap -eq 0; then
 390                         say_color pass "# passed all $msg"
 391                         say "1..$test_count$skip_all"
 392                 fi
 393
 394                 test -d "$remove_trash" &&
 395                 cd "$(dirname "$remove_trash")" &&
 396                 rm -rf "$(basename "$remove_trash")"
 397
 398                 test_at_end_hook_
 399
 400                 exit 0 ;;
 401
 402         *)
 403                 if test $test_external_has_tap -eq 0; then
 404                         say_color error "# failed $test_failure among $msg"
 405                         say "1..$test_count"
 406                 fi
 407
 408                 exit 1 ;;
 409
 410         esac
 411 }
 412
 413 if test -n "$valgrind"
 414 then
 415         make_symlink () {
 416                 test -h "$2" &&
 417                 test "$1" = "$(readlink "$2")" || {
 418                         # be super paranoid
 419                         if mkdir "$2".lock
 420                         then
 421                                 rm -f "$2" &&
 422                                 ln -s "$1" "$2" &&
 423                                 rm -r "$2".lock
 424                         else
 425                                 while test -d "$2".lock
 426                                 do
 427                                         say "Waiting for lock on $2."
 428                                         sleep 1
 429                                 done
 430                         fi
 431                 }
 432         }
 433
 434         make_valgrind_symlink () {
 435                 # handle only executables, unless they are shell libraries that
 436                 # need to be in the exec-path.  We will just use "#!" as a
 437                 # guess for a shell-script, since we have no idea what the user
 438                 # may have configured as the shell path.
 439                 test -x "$1" ||
 440                 test "#!" = "$(head -c 2 <"$1")" ||
 441                 return;
 442
 443                 base=$(basename "$1")
 444                 symlink_target=$GIT_BUILD_DIR/$base
 445                 # do not override scripts
 446                 if test -x "$symlink_target" &&
 447                     test ! -d "$symlink_target" &&
 448                     test "#!" != "$(head -c 2 < "$symlink_target")"
 449                 then
 450                         symlink_target=../valgrind.sh
 451                 fi
 452                 case "$base" in
 453                 *.sh|*.perl)
 454                         symlink_target=../unprocessed-script
 455                 esac
 456                 # create the link, or replace it if it is out of date
 457                 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 458         }
 459
 460         # override all git executables in TEST_DIRECTORY/..
 461         GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 462         mkdir -p "$GIT_VALGRIND"/bin
 463         for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
 464         do
 465                 make_valgrind_symlink $file
 466         done
 467         # special-case the mergetools loadables
 468         make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
 469         OLDIFS=$IFS
 470         IFS=:
 471         for path in $PATH
 472         do
 473                 ls "$path"/git-* 2> /dev/null |
 474                 while read file
 475                 do
 476                         make_valgrind_symlink "$file"
 477                 done
 478         done
 479         IFS=$OLDIFS
 480         PATH=$GIT_VALGRIND/bin:$PATH
 481         GIT_EXEC_PATH=$GIT_VALGRIND/bin
 482         export GIT_VALGRIND
 483 elif test -n "$GIT_TEST_INSTALLED" ; then
 484         GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 485         error "Cannot run git from $GIT_TEST_INSTALLED."
 486         PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
 487         GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 488 else # normal case, use ../bin-wrappers only unless $with_dashes:
 489         git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
 490         if ! test -x "$git_bin_dir/git" ; then
 491                 if test -z "$with_dashes" ; then
 492                         say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 493                 fi
 494                 with_dashes=t
 495         fi
 496         PATH="$git_bin_dir:$PATH"
 497         GIT_EXEC_PATH=$GIT_BUILD_DIR
 498         if test -n "$with_dashes" ; then
 499                 PATH="$GIT_BUILD_DIR:$PATH"
 500         fi
 501 fi
 502 GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
 503 unset GIT_CONFIG
 504 GIT_CONFIG_NOSYSTEM=1
 505 GIT_ATTR_NOSYSTEM=1
 506 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
 507
 508 if test -z "$GIT_TEST_CMP"
 509 then
 510         if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
 511         then
 512                 GIT_TEST_CMP="$DIFF -c"
 513         else
 514                 GIT_TEST_CMP="$DIFF -u"
 515         fi
 516 fi
 517
 518 GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
 519 export GITPERLLIB
 520 test -d "$GIT_BUILD_DIR"/templates/blt || {
 521         error "You haven't built things yet, have you?"
 522 }
 523
 524 if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 525 then
 526         GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
 527         export GITPYTHONLIB
 528         test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
 529                 error "You haven't built git_remote_helpers yet, have you?"
 530         }
 531 fi
 532
 533 if ! test -x "$GIT_BUILD_DIR"/test-chmtime; then
 534         echo >&2 'You need to build test-chmtime:'
 535         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 536         exit 1
 537 fi
 538
 539 # Test repository
 540 test="trash directory.$(basename "$0" .sh)"
 541 test -n "$root" && test="$root/$test"
 542 case "$test" in
 543 /*) TRASH_DIRECTORY="$test" ;;
 544  *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$test" ;;
 545 esac
 546 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 547 rm -fr "$test" || {
 548         GIT_EXIT_OK=t
 549         echo >&5 "FATAL: Cannot prepare test area"
 550         exit 1
 551 }
 552
 553 HOME="$TRASH_DIRECTORY"
 554 export HOME
 555
 556 if test -z "$TEST_NO_CREATE_REPO"; then
 557         test_create_repo "$test"
 558 else
 559         mkdir -p "$test"
 560 fi
 561 # Use -P to resolve symlinks in our working directory so that the cwd
 562 # in subprocesses like git equals our $PWD (for pathname comparisons).
 563 cd -P "$test" || exit 1
 564
 565 this_test=${0##*/}
 566 this_test=${this_test%%-*}
 567 for skp in $GIT_SKIP_TESTS
 568 do
 569         case "$this_test" in
 570         $skp)
 571                 say_color skip >&3 "skipping test $this_test altogether"
 572                 skip_all="skip all tests in $this_test"
 573                 test_done
 574         esac
 575 done
 576
 577 # Provide an implementation of the 'yes' utility
 578 yes () {
 579         if test $# = 0
 580         then
 581                 y=y
 582         else
 583                 y="$*"
 584         fi
 585
 586         while echo "$y"
 587         do
 588                 :
 589         done
 590 }
 591
 592 # Fix some commands on Windows
 593 case $(uname -s) in
 594 *MINGW*)
 595         # Windows has its own (incompatible) sort and find
 596         sort () {
 597                 /usr/bin/sort "$@"
 598         }
 599         find () {
 600                 /usr/bin/find "$@"
 601         }
 602         sum () {
 603                 md5sum "$@"
 604         }
 605         # git sees Windows-style pwd
 606         pwd () {
 607                 builtin pwd -W
 608         }
 609         # no POSIX permissions
 610         # backslashes in pathspec are converted to '/'
 611         # exec does not inherit the PID
 612         test_set_prereq MINGW
 613         test_set_prereq SED_STRIPS_CR
 614         ;;
 615 *CYGWIN*)
 616         test_set_prereq POSIXPERM
 617         test_set_prereq EXECKEEPSPID
 618         test_set_prereq NOT_MINGW
 619         test_set_prereq SED_STRIPS_CR
 620         ;;
 621 *)
 622         test_set_prereq POSIXPERM
 623         test_set_prereq BSLASHPSPEC
 624         test_set_prereq EXECKEEPSPID
 625         test_set_prereq NOT_MINGW
 626         ;;
 627 esac
 628
 629 ( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
 630 test -z "$NO_PERL" && test_set_prereq PERL
 631 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 632 test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 633 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
 634
 635 # Can we rely on git's output in the C locale?
 636 if test -n "$GETTEXT_POISON"
 637 then
 638         GIT_GETTEXT_POISON=YesPlease
 639         export GIT_GETTEXT_POISON
 640         test_set_prereq GETTEXT_POISON
 641 else
 642         test_set_prereq C_LOCALE_OUTPUT
 643 fi
 644
 645 # Use this instead of test_cmp to compare files that contain expected and
 646 # actual output from git commands that can be translated.  When running
 647 # under GETTEXT_POISON this pretends that the command produced expected
 648 # results.
 649 test_i18ncmp () {
 650         test -n "$GETTEXT_POISON" || test_cmp "$@"
 651 }
 652
 653 # Use this instead of "grep expected-string actual" to see if the
 654 # output from a git command that can be translated either contains an
 655 # expected string, or does not contain an unwanted one.  When running
 656 # under GETTEXT_POISON this pretends that the command produced expected
 657 # results.
 658 test_i18ngrep () {
 659         if test -n "$GETTEXT_POISON"
 660         then
 661             : # pretend success
 662         elif test "x!" = "x$1"
 663         then
 664                 shift
 665                 ! grep "$@"
 666         else
 667                 grep "$@"
 668         fi
 669 }
 670
 671 test_lazy_prereq SYMLINKS '
 672         # test whether the filesystem supports symbolic links
 673         ln -s x y && test -h y
 674 '
 675
 676 test_lazy_prereq CASE_INSENSITIVE_FS '
 677         echo good >CamelCase &&
 678         echo bad >camelcase &&
 679         test "$(cat CamelCase)" != good
 680 '
 681
 682 test_lazy_prereq UTF8_NFD_TO_NFC '
 683         # check whether FS converts nfd unicode to nfc
 684         auml=$(printf "\303\244")
 685         aumlcdiar=$(printf "\141\314\210")
 686         >"$auml" &&
 687         case "$(echo *)" in
 688         "$aumlcdiar")
 689                 true ;;
 690         *)
 691                 false ;;
 692         esac
 693 '
 694
 695 # When the tests are run as root, permission tests will report that
 696 # things are writable when they shouldn't be.
 697 test -w / || test_set_prereq SANITY