Andrew's git / gitweb.git / t/test-lib.sh
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t / test-lib.shon commit fast-import: add a get-mark command (28c7b1f)
   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
  19ORIGINAL_TERM=$TERM
  20
  21# Test the binaries we have just built.  The tests are kept in
  22# t/ subdirectory and are run in 'trash directory' subdirectory.
  23if test -z "$TEST_DIRECTORY"
  24then
  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=$(pwd)
  29else
  30        # ensure that TEST_DIRECTORY is an absolute path so that it
  31        # is valid even if the current working directory is changed
  32        TEST_DIRECTORY=$(cd "$TEST_DIRECTORY" && pwd) || exit 1
  33fi
  34if test -z "$TEST_OUTPUT_DIRECTORY"
  35then
  36        # Similarly, override this to store the test-results subdir
  37        # elsewhere
  38        TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
  39fi
  40GIT_BUILD_DIR="$TEST_DIRECTORY"/..
  41
  42################################################################
  43# It appears that people try to run tests without building...
  44"$GIT_BUILD_DIR/git" >/dev/null
  45if test $? != 1
  46then
  47        echo >&2 'error: you do not seem to have built git yet.'
  48        exit 1
  49fi
  50
  51. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
  52export 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/$BASENAME.out, too.
  56case "$GIT_TEST_TEE_STARTED, $* " in
  57done,*)
  58        # do not redirect again
  59        ;;
  60*' --tee '*|*' --va'*)
  61        mkdir -p "$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        ;;
  68esac
  69
  70# For repeatability, reset the environment to known value.
  71LANG=C
  72LC_ALL=C
  73PAGER=cat
  74TZ=UTC
  75TERM=dumb
  76export LANG LC_ALL PAGER TERM TZ
  77EDITOR=:
  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.
  82unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
  83        my @env = keys %ENV;
  84        my $ok = join("|", qw(
  85                TRACE
  86                DEBUG
  87                USE_LOOKUP
  88                TEST
  89                .*_TEST
  90                PROVE
  91                VALGRIND
  92                UNZIP
  93                PERF_
  94                CURL_VERBOSE
  95        ));
  96        my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
  97        print join("\n", @vars);
  98')
  99unset XDG_CONFIG_HOME
 100unset GITPERLLIB
 101GIT_AUTHOR_EMAIL=author@example.com
 102GIT_AUTHOR_NAME='A U Thor'
 103GIT_COMMITTER_EMAIL=committer@example.com
 104GIT_COMMITTER_NAME='C O Mitter'
 105GIT_MERGE_VERBOSITY=5
 106GIT_MERGE_AUTOEDIT=no
 107export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
 108export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 109export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 110export EDITOR
 111
 112# Tests using GIT_TRACE typically don't want <timestamp> <file>:<line> output
 113GIT_TRACE_BARE=1
 114export GIT_TRACE_BARE
 115
 116if test -n "${TEST_GIT_INDEX_VERSION:+isset}"
 117then
 118        GIT_INDEX_VERSION="$TEST_GIT_INDEX_VERSION"
 119        export GIT_INDEX_VERSION
 120fi
 121
 122# Add libc MALLOC and MALLOC_PERTURB test
 123# only if we are not executing the test with valgrind
 124if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
 125   test -n "$TEST_NO_MALLOC_CHECK"
 126then
 127        setup_malloc_check () {
 128                : nothing
 129        }
 130        teardown_malloc_check () {
 131                : nothing
 132        }
 133else
 134        setup_malloc_check () {
 135                MALLOC_CHECK_=3 MALLOC_PERTURB_=165
 136                export MALLOC_CHECK_ MALLOC_PERTURB_
 137        }
 138        teardown_malloc_check () {
 139                unset MALLOC_CHECK_ MALLOC_PERTURB_
 140        }
 141fi
 142
 143: ${ASAN_OPTIONS=detect_leaks=0}
 144export ASAN_OPTIONS
 145
 146# Protect ourselves from common misconfiguration to export
 147# CDPATH into the environment
 148unset CDPATH
 149
 150unset GREP_OPTIONS
 151unset UNZIP
 152
 153case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
 1541|2|true)
 155        GIT_TRACE=4
 156        ;;
 157esac
 158
 159# Convenience
 160#
 161# A regexp to match 5 and 40 hexdigits
 162_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
 163_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 164
 165# Zero SHA-1
 166_z40=0000000000000000000000000000000000000000
 167
 168# Line feed
 169LF='
 170'
 171
 172# UTF-8 ZERO WIDTH NON-JOINER, which HFS+ ignores
 173# when case-folding filenames
 174u200c=$(printf '\342\200\214')
 175
 176export _x05 _x40 _z40 LF u200c
 177
 178# Each test should start with something like this, after copyright notices:
 179#
 180# test_description='Description of this test...
 181# This test checks if command xyzzy does the right thing...
 182# '
 183# . ./test-lib.sh
 184
 185unset color
 186while test "$#" -ne 0
 187do
 188        case "$1" in
 189        -d|--d|--de|--deb|--debu|--debug)
 190                debug=t; shift ;;
 191        -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 192                immediate=t; shift ;;
 193        -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 194                GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 195        -r)
 196                shift; test "$#" -ne 0 || {
 197                        echo 'error: -r requires an argument' >&2;
 198                        exit 1;
 199                }
 200                run_list=$1; shift ;;
 201        --run=*)
 202                run_list=$(expr "z$1" : 'z[^=]*=\(.*\)'); shift ;;
 203        -h|--h|--he|--hel|--help)
 204                help=t; shift ;;
 205        -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 206                verbose=t; shift ;;
 207        --verbose-only=*)
 208                verbose_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
 209                shift ;;
 210        -q|--q|--qu|--qui|--quie|--quiet)
 211                # Ignore --quiet under a TAP::Harness. Saying how many tests
 212                # passed without the ok/not ok details is always an error.
 213                test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
 214        --with-dashes)
 215                with_dashes=t; shift ;;
 216        --no-color)
 217                color=; shift ;;
 218        --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 219                valgrind=memcheck
 220                shift ;;
 221        --valgrind=*)
 222                valgrind=$(expr "z$1" : 'z[^=]*=\(.*\)')
 223                shift ;;
 224        --valgrind-only=*)
 225                valgrind_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
 226                shift ;;
 227        --tee)
 228                shift ;; # was handled already
 229        --root=*)
 230                root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 231                shift ;;
 232        --chain-lint)
 233                GIT_TEST_CHAIN_LINT=1
 234                shift ;;
 235        --no-chain-lint)
 236                GIT_TEST_CHAIN_LINT=0
 237                shift ;;
 238        -x)
 239                trace=t
 240                verbose=t
 241                shift ;;
 242        *)
 243                echo "error: unknown test option '$1'" >&2; exit 1 ;;
 244        esac
 245done
 246
 247if test -n "$valgrind_only"
 248then
 249        test -z "$valgrind" && valgrind=memcheck
 250        test -z "$verbose" && verbose_only="$valgrind_only"
 251elif test -n "$valgrind"
 252then
 253        verbose=t
 254fi
 255
 256error () {
 257        say_color error "error: $*"
 258        GIT_EXIT_OK=t
 259        exit 1
 260}
 261
 262say () {
 263        say_color info "$*"
 264}
 265
 266test "${test_description}" != "" ||
 267error "Test script did not set test_description."
 268
 269if test "$help" = "t"
 270then
 271        printf '%s\n' "$test_description"
 272        exit 0
 273fi
 274
 275exec 5>&1
 276exec 6<&0
 277if test "$verbose" = "t"
 278then
 279        exec 4>&2 3>&1
 280else
 281        exec 4>/dev/null 3>/dev/null
 282fi
 283
 284test_failure=0
 285test_count=0
 286test_fixed=0
 287test_broken=0
 288test_success=0
 289
 290test_external_has_tap=0
 291
 292die () {
 293        code=$?
 294        if test -n "$GIT_EXIT_OK"
 295        then
 296                exit $code
 297        else
 298                echo >&5 "FATAL: Unexpected exit with code $code"
 299                exit 1
 300        fi
 301}
 302
 303GIT_EXIT_OK=
 304trap 'die' EXIT
 305trap 'exit $?' INT
 306
 307# The user-facing functions are loaded from a separate file so that
 308# test_perf subshells can have them too
 309. "$TEST_DIRECTORY/test-lib-functions.sh"
 310
 311# You are not expected to call test_ok_ and test_failure_ directly, use
 312# the test_expect_* functions instead.
 313
 314test_ok_ () {
 315        test_success=$(($test_success + 1))
 316        say_color "" "ok $test_count - $@"
 317}
 318
 319test_failure_ () {
 320        test_failure=$(($test_failure + 1))
 321        say_color error "not ok $test_count - $1"
 322        shift
 323        printf '%s\n' "$*" | sed -e 's/^/#      /'
 324        test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 325}
 326
 327test_known_broken_ok_ () {
 328        test_fixed=$(($test_fixed+1))
 329        say_color error "ok $test_count - $@ # TODO known breakage vanished"
 330}
 331
 332test_known_broken_failure_ () {
 333        test_broken=$(($test_broken+1))
 334        say_color warn "not ok $test_count - $@ # TODO known breakage"
 335}
 336
 337test_debug () {
 338        test "$debug" = "" || eval "$1"
 339}
 340
 341match_pattern_list () {
 342        arg="$1"
 343        shift
 344        test -z "$*" && return 1
 345        for pattern_
 346        do
 347                case "$arg" in
 348                $pattern_)
 349                        return 0
 350                esac
 351        done
 352        return 1
 353}
 354
 355match_test_selector_list () {
 356        title="$1"
 357        shift
 358        arg="$1"
 359        shift
 360        test -z "$1" && return 0
 361
 362        # Both commas and whitespace are accepted as separators.
 363        OLDIFS=$IFS
 364        IFS='   ,'
 365        set -- $1
 366        IFS=$OLDIFS
 367
 368        # If the first selector is negative we include by default.
 369        include=
 370        case "$1" in
 371                !*) include=t ;;
 372        esac
 373
 374        for selector
 375        do
 376                orig_selector=$selector
 377
 378                positive=t
 379                case "$selector" in
 380                        !*)
 381                                positive=
 382                                selector=${selector##?}
 383                                ;;
 384                esac
 385
 386                test -z "$selector" && continue
 387
 388                case "$selector" in
 389                        *-*)
 390                                if expr "z${selector%%-*}" : "z[0-9]*[^0-9]" >/dev/null
 391                                then
 392                                        echo "error: $title: invalid non-numeric in range" \
 393                                                "start: '$orig_selector'" >&2
 394                                        exit 1
 395                                fi
 396                                if expr "z${selector#*-}" : "z[0-9]*[^0-9]" >/dev/null
 397                                then
 398                                        echo "error: $title: invalid non-numeric in range" \
 399                                                "end: '$orig_selector'" >&2
 400                                        exit 1
 401                                fi
 402                                ;;
 403                        *)
 404                                if expr "z$selector" : "z[0-9]*[^0-9]" >/dev/null
 405                                then
 406                                        echo "error: $title: invalid non-numeric in test" \
 407                                                "selector: '$orig_selector'" >&2
 408                                        exit 1
 409                                fi
 410                esac
 411
 412                # Short cut for "obvious" cases
 413                test -z "$include" && test -z "$positive" && continue
 414                test -n "$include" && test -n "$positive" && continue
 415
 416                case "$selector" in
 417                        -*)
 418                                if test $arg -le ${selector#-}
 419                                then
 420                                        include=$positive
 421                                fi
 422                                ;;
 423                        *-)
 424                                if test $arg -ge ${selector%-}
 425                                then
 426                                        include=$positive
 427                                fi
 428                                ;;
 429                        *-*)
 430                                if test ${selector%%-*} -le $arg \
 431                                        && test $arg -le ${selector#*-}
 432                                then
 433                                        include=$positive
 434                                fi
 435                                ;;
 436                        *)
 437                                if test $arg -eq $selector
 438                                then
 439                                        include=$positive
 440                                fi
 441                                ;;
 442                esac
 443        done
 444
 445        test -n "$include"
 446}
 447
 448maybe_teardown_verbose () {
 449        test -z "$verbose_only" && return
 450        exec 4>/dev/null 3>/dev/null
 451        verbose=
 452}
 453
 454last_verbose=t
 455maybe_setup_verbose () {
 456        test -z "$verbose_only" && return
 457        if match_pattern_list $test_count $verbose_only
 458        then
 459                exec 4>&2 3>&1
 460                # Emit a delimiting blank line when going from
 461                # non-verbose to verbose.  Within verbose mode the
 462                # delimiter is printed by test_expect_*.  The choice
 463                # of the initial $last_verbose is such that before
 464                # test 1, we do not print it.
 465                test -z "$last_verbose" && echo >&3 ""
 466                verbose=t
 467        else
 468                exec 4>/dev/null 3>/dev/null
 469                verbose=
 470        fi
 471        last_verbose=$verbose
 472}
 473
 474maybe_teardown_valgrind () {
 475        test -z "$GIT_VALGRIND" && return
 476        GIT_VALGRIND_ENABLED=
 477}
 478
 479maybe_setup_valgrind () {
 480        test -z "$GIT_VALGRIND" && return
 481        if test -z "$valgrind_only"
 482        then
 483                GIT_VALGRIND_ENABLED=t
 484                return
 485        fi
 486        GIT_VALGRIND_ENABLED=
 487        if match_pattern_list $test_count $valgrind_only
 488        then
 489                GIT_VALGRIND_ENABLED=t
 490        fi
 491}
 492
 493# This is a separate function because some tests use
 494# "return" to end a test_expect_success block early
 495# (and we want to make sure we run any cleanup like
 496# "set +x").
 497test_eval_inner_ () {
 498        # Do not add anything extra (including LF) after '$*'
 499        eval "
 500                test \"$trace\" = t && set -x
 501                $*"
 502}
 503
 504test_eval_ () {
 505        # We run this block with stderr redirected to avoid extra cruft
 506        # during a "-x" trace. Once in "set -x" mode, we cannot prevent
 507        # the shell from printing the "set +x" to turn it off (nor the saving
 508        # of $? before that). But we can make sure that the output goes to
 509        # /dev/null.
 510        #
 511        # The test itself is run with stderr put back to &4 (so either to
 512        # /dev/null, or to the original stderr if --verbose was used).
 513        {
 514                test_eval_inner_ "$@" </dev/null >&3 2>&4
 515                test_eval_ret_=$?
 516                if test "$trace" = t
 517                then
 518                        set +x
 519                        if test "$test_eval_ret_" != 0
 520                        then
 521                                say_color error >&4 "error: last command exited with \$?=$test_eval_ret_"
 522                        fi
 523                fi
 524        } 2>/dev/null
 525        return $test_eval_ret_
 526}
 527
 528test_run_ () {
 529        test_cleanup=:
 530        expecting_failure=$2
 531
 532        if test "${GIT_TEST_CHAIN_LINT:-0}" != 0; then
 533                # 117 is magic because it is unlikely to match the exit
 534                # code of other programs
 535                test_eval_ "(exit 117) && $1"
 536                if test "$?" != 117; then
 537                        error "bug in the test script: broken &&-chain: $1"
 538                fi
 539        fi
 540
 541        setup_malloc_check
 542        test_eval_ "$1"
 543        eval_ret=$?
 544        teardown_malloc_check
 545
 546        if test -z "$immediate" || test $eval_ret = 0 ||
 547           test -n "$expecting_failure" && test "$test_cleanup" != ":"
 548        then
 549                setup_malloc_check
 550                test_eval_ "$test_cleanup"
 551                teardown_malloc_check
 552        fi
 553        if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
 554        then
 555                echo ""
 556        fi
 557        return "$eval_ret"
 558}
 559
 560test_start_ () {
 561        test_count=$(($test_count+1))
 562        maybe_setup_verbose
 563        maybe_setup_valgrind
 564}
 565
 566test_finish_ () {
 567        echo >&3 ""
 568        maybe_teardown_valgrind
 569        maybe_teardown_verbose
 570}
 571
 572test_skip () {
 573        to_skip=
 574        skipped_reason=
 575        if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
 576        then
 577                to_skip=t
 578                skipped_reason="GIT_SKIP_TESTS"
 579        fi
 580        if test -z "$to_skip" && test -n "$test_prereq" &&
 581           ! test_have_prereq "$test_prereq"
 582        then
 583                to_skip=t
 584
 585                of_prereq=
 586                if test "$missing_prereq" != "$test_prereq"
 587                then
 588                        of_prereq=" of $test_prereq"
 589                fi
 590                skipped_reason="missing $missing_prereq${of_prereq}"
 591        fi
 592        if test -z "$to_skip" && test -n "$run_list" &&
 593                ! match_test_selector_list '--run' $test_count "$run_list"
 594        then
 595                to_skip=t
 596                skipped_reason="--run"
 597        fi
 598
 599        case "$to_skip" in
 600        t)
 601                say_color skip >&3 "skipping test: $@"
 602                say_color skip "ok $test_count # skip $1 ($skipped_reason)"
 603                : true
 604                ;;
 605        *)
 606                false
 607                ;;
 608        esac
 609}
 610
 611# stub; perf-lib overrides it
 612test_at_end_hook_ () {
 613        :
 614}
 615
 616test_done () {
 617        GIT_EXIT_OK=t
 618
 619        if test -z "$HARNESS_ACTIVE"
 620        then
 621                test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
 622                mkdir -p "$test_results_dir"
 623                base=${0##*/}
 624                test_results_path="$test_results_dir/${base%.sh}-$$.counts"
 625
 626                cat >>"$test_results_path" <<-EOF
 627                total $test_count
 628                success $test_success
 629                fixed $test_fixed
 630                broken $test_broken
 631                failed $test_failure
 632
 633                EOF
 634        fi
 635
 636        if test "$test_fixed" != 0
 637        then
 638                say_color error "# $test_fixed known breakage(s) vanished; please update test(s)"
 639        fi
 640        if test "$test_broken" != 0
 641        then
 642                say_color warn "# still have $test_broken known breakage(s)"
 643        fi
 644        if test "$test_broken" != 0 || test "$test_fixed" != 0
 645        then
 646                test_remaining=$(( $test_count - $test_broken - $test_fixed ))
 647                msg="remaining $test_remaining test(s)"
 648        else
 649                test_remaining=$test_count
 650                msg="$test_count test(s)"
 651        fi
 652        case "$test_failure" in
 653        0)
 654                # Maybe print SKIP message
 655                if test -n "$skip_all" && test $test_count -gt 0
 656                then
 657                        error "Can't use skip_all after running some tests"
 658                fi
 659                test -z "$skip_all" || skip_all=" # SKIP $skip_all"
 660
 661                if test $test_external_has_tap -eq 0
 662                then
 663                        if test $test_remaining -gt 0
 664                        then
 665                                say_color pass "# passed all $msg"
 666                        fi
 667                        say "1..$test_count$skip_all"
 668                fi
 669
 670                test -d "$remove_trash" &&
 671                cd "$(dirname "$remove_trash")" &&
 672                rm -rf "$(basename "$remove_trash")"
 673
 674                test_at_end_hook_
 675
 676                exit 0 ;;
 677
 678        *)
 679                if test $test_external_has_tap -eq 0
 680                then
 681                        say_color error "# failed $test_failure among $msg"
 682                        say "1..$test_count"
 683                fi
 684
 685                exit 1 ;;
 686
 687        esac
 688}
 689
 690if test -n "$valgrind"
 691then
 692        make_symlink () {
 693                test -h "$2" &&
 694                test "$1" = "$(readlink "$2")" || {
 695                        # be super paranoid
 696                        if mkdir "$2".lock
 697                        then
 698                                rm -f "$2" &&
 699                                ln -s "$1" "$2" &&
 700                                rm -r "$2".lock
 701                        else
 702                                while test -d "$2".lock
 703                                do
 704                                        say "Waiting for lock on $2."
 705                                        sleep 1
 706                                done
 707                        fi
 708                }
 709        }
 710
 711        make_valgrind_symlink () {
 712                # handle only executables, unless they are shell libraries that
 713                # need to be in the exec-path.
 714                test -x "$1" ||
 715                test "# " = "$(head -c 2 <"$1")" ||
 716                return;
 717
 718                base=$(basename "$1")
 719                symlink_target=$GIT_BUILD_DIR/$base
 720                # do not override scripts
 721                if test -x "$symlink_target" &&
 722                    test ! -d "$symlink_target" &&
 723                    test "#!" != "$(head -c 2 < "$symlink_target")"
 724                then
 725                        symlink_target=../valgrind.sh
 726                fi
 727                case "$base" in
 728                *.sh|*.perl)
 729                        symlink_target=../unprocessed-script
 730                esac
 731                # create the link, or replace it if it is out of date
 732                make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 733        }
 734
 735        # override all git executables in TEST_DIRECTORY/..
 736        GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 737        mkdir -p "$GIT_VALGRIND"/bin
 738        for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
 739        do
 740                make_valgrind_symlink $file
 741        done
 742        # special-case the mergetools loadables
 743        make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
 744        OLDIFS=$IFS
 745        IFS=:
 746        for path in $PATH
 747        do
 748                ls "$path"/git-* 2> /dev/null |
 749                while read file
 750                do
 751                        make_valgrind_symlink "$file"
 752                done
 753        done
 754        IFS=$OLDIFS
 755        PATH=$GIT_VALGRIND/bin:$PATH
 756        GIT_EXEC_PATH=$GIT_VALGRIND/bin
 757        export GIT_VALGRIND
 758        GIT_VALGRIND_MODE="$valgrind"
 759        export GIT_VALGRIND_MODE
 760        GIT_VALGRIND_ENABLED=t
 761        test -n "$valgrind_only" && GIT_VALGRIND_ENABLED=
 762        export GIT_VALGRIND_ENABLED
 763elif test -n "$GIT_TEST_INSTALLED"
 764then
 765        GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 766        error "Cannot run git from $GIT_TEST_INSTALLED."
 767        PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
 768        GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 769else # normal case, use ../bin-wrappers only unless $with_dashes:
 770        git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
 771        if ! test -x "$git_bin_dir/git"
 772        then
 773                if test -z "$with_dashes"
 774                then
 775                        say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 776                fi
 777                with_dashes=t
 778        fi
 779        PATH="$git_bin_dir:$PATH"
 780        GIT_EXEC_PATH=$GIT_BUILD_DIR
 781        if test -n "$with_dashes"
 782        then
 783                PATH="$GIT_BUILD_DIR:$PATH"
 784        fi
 785fi
 786GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
 787GIT_CONFIG_NOSYSTEM=1
 788GIT_ATTR_NOSYSTEM=1
 789export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
 790
 791if test -z "$GIT_TEST_CMP"
 792then
 793        if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
 794        then
 795                GIT_TEST_CMP="$DIFF -c"
 796        else
 797                GIT_TEST_CMP="$DIFF -u"
 798        fi
 799fi
 800
 801GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
 802export GITPERLLIB
 803test -d "$GIT_BUILD_DIR"/templates/blt || {
 804        error "You haven't built things yet, have you?"
 805}
 806
 807if ! test -x "$GIT_BUILD_DIR"/test-chmtime
 808then
 809        echo >&2 'You need to build test-chmtime:'
 810        echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 811        exit 1
 812fi
 813
 814# Test repository
 815TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
 816test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
 817case "$TRASH_DIRECTORY" in
 818/*) ;; # absolute path is good
 819 *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
 820esac
 821test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 822rm -fr "$TRASH_DIRECTORY" || {
 823        GIT_EXIT_OK=t
 824        echo >&5 "FATAL: Cannot prepare test area"
 825        exit 1
 826}
 827
 828HOME="$TRASH_DIRECTORY"
 829GNUPGHOME="$HOME/gnupg-home-not-used"
 830export HOME GNUPGHOME
 831
 832# run the tput tests *after* changing HOME (in case ncurses needs
 833# ~/.terminfo for $TERM)
 834test -n "${color+set}" || test "x$ORIGINAL_TERM" != "xdumb" && (
 835                TERM=$ORIGINAL_TERM &&
 836                export TERM &&
 837                test -t 1 &&
 838                tput bold >/dev/null 2>&1 &&
 839                tput setaf 1 >/dev/null 2>&1 &&
 840                tput sgr0 >/dev/null 2>&1
 841        ) &&
 842        color=t
 843
 844if test -n "$color"
 845then
 846        say_color () {
 847                (
 848                TERM=$ORIGINAL_TERM
 849                export TERM
 850                case "$1" in
 851                error)
 852                        tput bold; tput setaf 1;; # bold red
 853                skip)
 854                        tput setaf 4;; # blue
 855                warn)
 856                        tput setaf 3;; # brown/yellow
 857                pass)
 858                        tput setaf 2;; # green
 859                info)
 860                        tput setaf 6;; # cyan
 861                *)
 862                        test -n "$quiet" && return;;
 863                esac
 864                shift
 865                printf "%s" "$*"
 866                tput sgr0
 867                echo
 868                )
 869        }
 870else
 871        say_color() {
 872                test -z "$1" && test -n "$quiet" && return
 873                shift
 874                printf "%s\n" "$*"
 875        }
 876fi
 877
 878if test -z "$TEST_NO_CREATE_REPO"
 879then
 880        test_create_repo "$TRASH_DIRECTORY"
 881else
 882        mkdir -p "$TRASH_DIRECTORY"
 883fi
 884# Use -P to resolve symlinks in our working directory so that the cwd
 885# in subprocesses like git equals our $PWD (for pathname comparisons).
 886cd -P "$TRASH_DIRECTORY" || exit 1
 887
 888this_test=${0##*/}
 889this_test=${this_test%%-*}
 890if match_pattern_list "$this_test" $GIT_SKIP_TESTS
 891then
 892        say_color info >&3 "skipping test $this_test altogether"
 893        skip_all="skip all tests in $this_test"
 894        test_done
 895fi
 896
 897# Provide an implementation of the 'yes' utility
 898yes () {
 899        if test $# = 0
 900        then
 901                y=y
 902        else
 903                y="$*"
 904        fi
 905
 906        while echo "$y"
 907        do
 908                :
 909        done
 910}
 911
 912# Fix some commands on Windows
 913case $(uname -s) in
 914*MINGW*)
 915        # Windows has its own (incompatible) sort and find
 916        sort () {
 917                /usr/bin/sort "$@"
 918        }
 919        find () {
 920                /usr/bin/find "$@"
 921        }
 922        sum () {
 923                md5sum "$@"
 924        }
 925        # git sees Windows-style pwd
 926        pwd () {
 927                builtin pwd -W
 928        }
 929        # no POSIX permissions
 930        # backslashes in pathspec are converted to '/'
 931        # exec does not inherit the PID
 932        test_set_prereq MINGW
 933        test_set_prereq NATIVE_CRLF
 934        test_set_prereq SED_STRIPS_CR
 935        test_set_prereq GREP_STRIPS_CR
 936        GIT_TEST_CMP=mingw_test_cmp
 937        ;;
 938*CYGWIN*)
 939        test_set_prereq POSIXPERM
 940        test_set_prereq EXECKEEPSPID
 941        test_set_prereq CYGWIN
 942        test_set_prereq SED_STRIPS_CR
 943        test_set_prereq GREP_STRIPS_CR
 944        ;;
 945*)
 946        test_set_prereq POSIXPERM
 947        test_set_prereq BSLASHPSPEC
 948        test_set_prereq EXECKEEPSPID
 949        ;;
 950esac
 951
 952( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
 953test -z "$NO_PERL" && test_set_prereq PERL
 954test -z "$NO_PYTHON" && test_set_prereq PYTHON
 955test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 956test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
 957
 958# Can we rely on git's output in the C locale?
 959if test -n "$GETTEXT_POISON"
 960then
 961        GIT_GETTEXT_POISON=YesPlease
 962        export GIT_GETTEXT_POISON
 963        test_set_prereq GETTEXT_POISON
 964else
 965        test_set_prereq C_LOCALE_OUTPUT
 966fi
 967
 968# Use this instead of test_cmp to compare files that contain expected and
 969# actual output from git commands that can be translated.  When running
 970# under GETTEXT_POISON this pretends that the command produced expected
 971# results.
 972test_i18ncmp () {
 973        test -n "$GETTEXT_POISON" || test_cmp "$@"
 974}
 975
 976# Use this instead of "grep expected-string actual" to see if the
 977# output from a git command that can be translated either contains an
 978# expected string, or does not contain an unwanted one.  When running
 979# under GETTEXT_POISON this pretends that the command produced expected
 980# results.
 981test_i18ngrep () {
 982        if test -n "$GETTEXT_POISON"
 983        then
 984            : # pretend success
 985        elif test "x!" = "x$1"
 986        then
 987                shift
 988                ! grep "$@"
 989        else
 990                grep "$@"
 991        fi
 992}
 993
 994test_lazy_prereq PIPE '
 995        # test whether the filesystem supports FIFOs
 996        case $(uname -s) in
 997        CYGWIN*)
 998                false
 999                ;;
1000        *)
1001                rm -f testfifo && mkfifo testfifo
1002                ;;
1003        esac
1004'
1005
1006test_lazy_prereq SYMLINKS '
1007        # test whether the filesystem supports symbolic links
1008        ln -s x y && test -h y
1009'
1010
1011test_lazy_prereq FILEMODE '
1012        test "$(git config --bool core.filemode)" = true
1013'
1014
1015test_lazy_prereq CASE_INSENSITIVE_FS '
1016        echo good >CamelCase &&
1017        echo bad >camelcase &&
1018        test "$(cat CamelCase)" != good
1019'
1020
1021test_lazy_prereq UTF8_NFD_TO_NFC '
1022        # check whether FS converts nfd unicode to nfc
1023        auml=$(printf "\303\244")
1024        aumlcdiar=$(printf "\141\314\210")
1025        >"$auml" &&
1026        case "$(echo *)" in
1027        "$aumlcdiar")
1028                true ;;
1029        *)
1030                false ;;
1031        esac
1032'
1033
1034test_lazy_prereq AUTOIDENT '
1035        sane_unset GIT_AUTHOR_NAME &&
1036        sane_unset GIT_AUTHOR_EMAIL &&
1037        git var GIT_AUTHOR_IDENT
1038'
1039
1040test_lazy_prereq EXPENSIVE '
1041        test -n "$GIT_TEST_LONG"
1042'
1043
1044test_lazy_prereq USR_BIN_TIME '
1045        test -x /usr/bin/time
1046'
1047
1048test_lazy_prereq NOT_ROOT '
1049        uid=$(id -u) &&
1050        test "$uid" != 0
1051'
1052
1053# On a filesystem that lacks SANITY, a file can be deleted even if
1054# the containing directory doesn't have write permissions, or a file
1055# can be accessed even if the containing directory doesn't have read
1056# or execute permissions, causing our tests that validate that Git
1057# works sensibly in such situations.
1058test_lazy_prereq SANITY '
1059        mkdir SANETESTD.1 SANETESTD.2 &&
1060
1061        chmod +w SANETESTD.1 SANETESTD.2 &&
1062        >SANETESTD.1/x 2>SANETESTD.2/x &&
1063        chmod -w SANETESTD.1 &&
1064        chmod -rx SANETESTD.2 ||
1065        error "bug in test sript: cannot prepare SANETESTD"
1066
1067        ! rm SANETESTD.1/x && ! test -f SANETESTD.2/x
1068        status=$?
1069
1070        chmod +rwx SANETESTD.1 SANETESTD.2 &&
1071        rm -rf SANETESTD.1 SANETESTD.2 ||
1072        error "bug in test sript: cannot clean SANETESTD"
1073        return $status
1074'
1075
1076GIT_UNZIP=${GIT_UNZIP:-unzip}
1077test_lazy_prereq UNZIP '
1078        "$GIT_UNZIP" -v
1079        test $? -ne 127
1080'
1081
1082run_with_limited_cmdline () {
1083        (ulimit -s 128 && "$@")
1084}
1085
1086test_lazy_prereq CMDLINE_LIMIT 'run_with_limited_cmdline true'