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[git/jnareb-git.git] / t / test-lib.sh
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1 #!/bin/sh
3 # Copyright (c) 2005 Junio C Hamano
6 # if --tee was passed, write the output not only to the terminal, but
7 # additionally to the file test-results/$BASENAME.out, too.
8 case "$GIT_TEST_TEE_STARTED, $* " in
9 done,*)
10 # do not redirect again
12 *' --tee '*|*' --va'*)
13 mkdir -p test-results
14 BASE=test-results/$(basename "$0" .sh)
15 (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
16 echo $? > $BASE.exit) | tee $BASE.out
17 test "$(cat $BASE.exit)" = 0
18 exit
20 esac
22 # Keep the original TERM for say_color
23 ORIGINAL_TERM=$TERM
25 # For repeatability, reset the environment to known value.
26 LANG=C
27 LC_ALL=C
28 PAGER=cat
29 TZ=UTC
30 TERM=dumb
31 export LANG LC_ALL PAGER TERM TZ
32 EDITOR=:
33 VISUAL=:
34 unset GIT_EDITOR
35 unset AUTHOR_DATE
36 unset AUTHOR_EMAIL
37 unset AUTHOR_NAME
38 unset COMMIT_AUTHOR_EMAIL
39 unset COMMIT_AUTHOR_NAME
40 unset EMAIL
41 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
42 unset GIT_AUTHOR_DATE
43 GIT_AUTHOR_EMAIL=author@example.com
44 GIT_AUTHOR_NAME='A U Thor'
45 unset GIT_COMMITTER_DATE
46 GIT_COMMITTER_EMAIL=committer@example.com
47 GIT_COMMITTER_NAME='C O Mitter'
48 unset GIT_DIFF_OPTS
49 unset GIT_DIR
50 unset GIT_WORK_TREE
51 unset GIT_EXTERNAL_DIFF
52 unset GIT_INDEX_FILE
53 unset GIT_OBJECT_DIRECTORY
54 unset GIT_CEILING_DIRECTORIES
55 unset SHA1_FILE_DIRECTORIES
56 unset SHA1_FILE_DIRECTORY
57 GIT_MERGE_VERBOSITY=5
58 export GIT_MERGE_VERBOSITY
59 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
60 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
61 export EDITOR VISUAL
62 GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
64 # Protect ourselves from common misconfiguration to export
65 # CDPATH into the environment
66 unset CDPATH
68 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
69 1|2|true)
70 echo "* warning: Some tests will not work if GIT_TRACE" \
71 "is set as to trace on STDERR ! *"
72 echo "* warning: Please set GIT_TRACE to something" \
73 "other than 1, 2 or true ! *"
75 esac
77 # Each test should start with something like this, after copyright notices:
79 # test_description='Description of this test...
80 # This test checks if command xyzzy does the right thing...
81 # '
82 # . ./test-lib.sh
83 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
84 TERM=$ORIGINAL_TERM &&
85 export TERM &&
86 [ -t 1 ] &&
87 tput bold >/dev/null 2>&1 &&
88 tput setaf 1 >/dev/null 2>&1 &&
89 tput sgr0 >/dev/null 2>&1
90 ) &&
91 color=t
93 while test "$#" -ne 0
95 case "$1" in
96 -d|--d|--de|--deb|--debu|--debug)
97 debug=t; shift ;;
98 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
99 immediate=t; shift ;;
100 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
101 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
102 -h|--h|--he|--hel|--help)
103 help=t; shift ;;
104 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
105 verbose=t; shift ;;
106 -q|--q|--qu|--qui|--quie|--quiet)
107 quiet=t; shift ;;
108 --no-color)
109 color=; shift ;;
110 --no-python)
111 # noop now...
112 shift ;;
113 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
114 valgrind=t; verbose=t; shift ;;
115 --tee)
116 shift ;; # was handled already
118 echo "error: unknown test option '$1'" >&2; exit 1 ;;
119 esac
120 done
122 if test -n "$color"; then
123 say_color () {
125 TERM=$ORIGINAL_TERM
126 export TERM
127 case "$1" in
128 error) tput bold; tput setaf 1;; # bold red
129 skip) tput bold; tput setaf 2;; # bold green
130 pass) tput setaf 2;; # green
131 info) tput setaf 3;; # brown
132 *) test -n "$quiet" && return;;
133 esac
134 shift
135 printf "* %s" "$*"
136 tput sgr0
137 echo
140 else
141 say_color() {
142 test -z "$1" && test -n "$quiet" && return
143 shift
144 echo "* $*"
148 error () {
149 say_color error "error: $*"
150 GIT_EXIT_OK=t
151 exit 1
154 say () {
155 say_color info "$*"
158 test "${test_description}" != "" ||
159 error "Test script did not set test_description."
161 if test "$help" = "t"
162 then
163 echo "$test_description"
164 exit 0
167 exec 5>&1
168 if test "$verbose" = "t"
169 then
170 exec 4>&2 3>&1
171 else
172 exec 4>/dev/null 3>/dev/null
175 test_failure=0
176 test_count=0
177 test_fixed=0
178 test_broken=0
179 test_success=0
181 die () {
182 code=$?
183 if test -n "$GIT_EXIT_OK"
184 then
185 exit $code
186 else
187 echo >&5 "FATAL: Unexpected exit with code $code"
188 exit 1
192 GIT_EXIT_OK=
193 trap 'die' EXIT
195 # The semantics of the editor variables are that of invoking
196 # sh -c "$EDITOR \"$@\"" files ...
198 # If our trash directory contains shell metacharacters, they will be
199 # interpreted if we just set $EDITOR directly, so do a little dance with
200 # environment variables to work around this.
202 # In particular, quoting isn't enough, as the path may contain the same quote
203 # that we're using.
204 test_set_editor () {
205 FAKE_EDITOR="$1"
206 export FAKE_EDITOR
207 VISUAL='"$FAKE_EDITOR"'
208 export VISUAL
211 test_tick () {
212 if test -z "${test_tick+set}"
213 then
214 test_tick=1112911993
215 else
216 test_tick=$(($test_tick + 60))
218 GIT_COMMITTER_DATE="$test_tick -0700"
219 GIT_AUTHOR_DATE="$test_tick -0700"
220 export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
223 # Call test_commit with the arguments "<message> [<file> [<contents>]]"
225 # This will commit a file with the given contents and the given commit
226 # message. It will also add a tag with <message> as name.
228 # Both <file> and <contents> default to <message>.
230 test_commit () {
231 file=${2:-"$1.t"}
232 echo "${3-$1}" > "$file" &&
233 git add "$file" &&
234 test_tick &&
235 git commit -m "$1" &&
236 git tag "$1"
239 # Call test_merge with the arguments "<message> <commit>", where <commit>
240 # can be a tag pointing to the commit-to-merge.
242 test_merge () {
243 test_tick &&
244 git merge -m "$1" "$2" &&
245 git tag "$1"
248 # This function helps systems where core.filemode=false is set.
249 # Use it instead of plain 'chmod +x' to set or unset the executable bit
250 # of a file in the working directory and add it to the index.
252 test_chmod () {
253 chmod "$@" &&
254 git update-index --add "--chmod=$@"
257 # Use test_set_prereq to tell that a particular prerequisite is available.
258 # The prerequisite can later be checked for in two ways:
260 # - Explicitly using test_have_prereq.
262 # - Implicitly by specifying the prerequisite tag in the calls to
263 # test_expect_{success,failure,code}.
265 # The single parameter is the prerequisite tag (a simple word, in all
266 # capital letters by convention).
268 test_set_prereq () {
269 satisfied="$satisfied$1 "
271 satisfied=" "
273 test_have_prereq () {
274 case $satisfied in
275 *" $1 "*)
276 : yes, have it ;;
278 ! : nope ;;
279 esac
282 # You are not expected to call test_ok_ and test_failure_ directly, use
283 # the text_expect_* functions instead.
285 test_ok_ () {
286 test_success=$(($test_success + 1))
287 say_color "" " ok $test_count: $@"
290 test_failure_ () {
291 test_failure=$(($test_failure + 1))
292 say_color error "FAIL $test_count: $1"
293 shift
294 echo "$@" | sed -e 's/^/ /'
295 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
298 test_known_broken_ok_ () {
299 test_fixed=$(($test_fixed+1))
300 say_color "" " FIXED $test_count: $@"
303 test_known_broken_failure_ () {
304 test_broken=$(($test_broken+1))
305 say_color skip " still broken $test_count: $@"
308 test_debug () {
309 test "$debug" = "" || eval "$1"
312 test_run_ () {
313 eval >&3 2>&4 "$1"
314 eval_ret="$?"
315 return 0
318 test_skip () {
319 test_count=$(($test_count+1))
320 to_skip=
321 for skp in $GIT_SKIP_TESTS
323 case $this_test.$test_count in
324 $skp)
325 to_skip=t
326 esac
327 done
328 if test -z "$to_skip" && test -n "$prereq" &&
329 ! test_have_prereq "$prereq"
330 then
331 to_skip=t
333 case "$to_skip" in
335 say_color skip >&3 "skipping test: $@"
336 say_color skip "skip $test_count: $1"
337 : true
340 false
342 esac
345 test_expect_failure () {
346 test "$#" = 3 && { prereq=$1; shift; } || prereq=
347 test "$#" = 2 ||
348 error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
349 if ! test_skip "$@"
350 then
351 say >&3 "checking known breakage: $2"
352 test_run_ "$2"
353 if [ "$?" = 0 -a "$eval_ret" = 0 ]
354 then
355 test_known_broken_ok_ "$1"
356 else
357 test_known_broken_failure_ "$1"
360 echo >&3 ""
363 test_expect_success () {
364 test "$#" = 3 && { prereq=$1; shift; } || prereq=
365 test "$#" = 2 ||
366 error "bug in the test script: not 2 or 3 parameters to test-expect-success"
367 if ! test_skip "$@"
368 then
369 say >&3 "expecting success: $2"
370 test_run_ "$2"
371 if [ "$?" = 0 -a "$eval_ret" = 0 ]
372 then
373 test_ok_ "$1"
374 else
375 test_failure_ "$@"
378 echo >&3 ""
381 test_expect_code () {
382 test "$#" = 4 && { prereq=$1; shift; } || prereq=
383 test "$#" = 3 ||
384 error "bug in the test script: not 3 or 4 parameters to test-expect-code"
385 if ! test_skip "$@"
386 then
387 say >&3 "expecting exit code $1: $3"
388 test_run_ "$3"
389 if [ "$?" = 0 -a "$eval_ret" = "$1" ]
390 then
391 test_ok_ "$2"
392 else
393 test_failure_ "$@"
396 echo >&3 ""
399 # test_external runs external test scripts that provide continuous
400 # test output about their progress, and succeeds/fails on
401 # zero/non-zero exit code. It outputs the test output on stdout even
402 # in non-verbose mode, and announces the external script with "* run
403 # <n>: ..." before running it. When providing relative paths, keep in
404 # mind that all scripts run in "trash directory".
405 # Usage: test_external description command arguments...
406 # Example: test_external 'Perl API' perl ../path/to/test.pl
407 test_external () {
408 test "$#" = 4 && { prereq=$1; shift; } || prereq=
409 test "$#" = 3 ||
410 error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
411 descr="$1"
412 shift
413 if ! test_skip "$descr" "$@"
414 then
415 # Announce the script to reduce confusion about the
416 # test output that follows.
417 say_color "" " run $test_count: $descr ($*)"
418 # Run command; redirect its stderr to &4 as in
419 # test_run_, but keep its stdout on our stdout even in
420 # non-verbose mode.
421 "$@" 2>&4
422 if [ "$?" = 0 ]
423 then
424 test_ok_ "$descr"
425 else
426 test_failure_ "$descr" "$@"
431 # Like test_external, but in addition tests that the command generated
432 # no output on stderr.
433 test_external_without_stderr () {
434 # The temporary file has no (and must have no) security
435 # implications.
436 tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
437 stderr="$tmp/git-external-stderr.$$.tmp"
438 test_external "$@" 4> "$stderr"
439 [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
440 descr="no stderr: $1"
441 shift
442 say >&3 "expecting no stderr from previous command"
443 if [ ! -s "$stderr" ]; then
444 rm "$stderr"
445 test_ok_ "$descr"
446 else
447 if [ "$verbose" = t ]; then
448 output=`echo; echo Stderr is:; cat "$stderr"`
449 else
450 output=
452 # rm first in case test_failure exits.
453 rm "$stderr"
454 test_failure_ "$descr" "$@" "$output"
458 # This is not among top-level (test_expect_success | test_expect_failure)
459 # but is a prefix that can be used in the test script, like:
461 # test_expect_success 'complain and die' '
462 # do something &&
463 # do something else &&
464 # test_must_fail git checkout ../outerspace
467 # Writing this as "! git checkout ../outerspace" is wrong, because
468 # the failure could be due to a segv. We want a controlled failure.
470 test_must_fail () {
471 "$@"
472 test $? -gt 0 -a $? -le 129 -o $? -gt 192
475 # test_cmp is a helper function to compare actual and expected output.
476 # You can use it like:
478 # test_expect_success 'foo works' '
479 # echo expected >expected &&
480 # foo >actual &&
481 # test_cmp expected actual
484 # This could be written as either "cmp" or "diff -u", but:
485 # - cmp's output is not nearly as easy to read as diff -u
486 # - not all diff versions understand "-u"
488 test_cmp() {
489 $GIT_TEST_CMP "$@"
492 # Most tests can use the created repository, but some may need to create more.
493 # Usage: test_create_repo <directory>
494 test_create_repo () {
495 test "$#" = 1 ||
496 error "bug in the test script: not 1 parameter to test-create-repo"
497 owd=`pwd`
498 repo="$1"
499 mkdir -p "$repo"
500 cd "$repo" || error "Cannot setup test environment"
501 "$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
502 error "cannot run git init -- have you built things yet?"
503 mv .git/hooks .git/hooks-disabled
504 cd "$owd"
507 test_done () {
508 GIT_EXIT_OK=t
509 test_results_dir="$TEST_DIRECTORY/test-results"
510 mkdir -p "$test_results_dir"
511 test_results_path="$test_results_dir/${0%.sh}-$$"
513 echo "total $test_count" >> $test_results_path
514 echo "success $test_success" >> $test_results_path
515 echo "fixed $test_fixed" >> $test_results_path
516 echo "broken $test_broken" >> $test_results_path
517 echo "failed $test_failure" >> $test_results_path
518 echo "" >> $test_results_path
520 if test "$test_fixed" != 0
521 then
522 say_color pass "fixed $test_fixed known breakage(s)"
524 if test "$test_broken" != 0
525 then
526 say_color error "still have $test_broken known breakage(s)"
527 msg="remaining $(($test_count-$test_broken)) test(s)"
528 else
529 msg="$test_count test(s)"
531 case "$test_failure" in
533 say_color pass "passed all $msg"
535 test -d "$remove_trash" &&
536 cd "$(dirname "$remove_trash")" &&
537 rm -rf "$(basename "$remove_trash")"
539 exit 0 ;;
542 say_color error "failed $test_failure among $msg"
543 exit 1 ;;
545 esac
548 # Test the binaries we have just built. The tests are kept in
549 # t/ subdirectory and are run in 'trash directory' subdirectory.
550 TEST_DIRECTORY=$(pwd)
551 if test -z "$valgrind"
552 then
553 if test -z "$GIT_TEST_INSTALLED"
554 then
555 PATH=$TEST_DIRECTORY/..:$PATH
556 GIT_EXEC_PATH=$TEST_DIRECTORY/..
557 else
558 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
559 error "Cannot run git from $GIT_TEST_INSTALLED."
560 PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
561 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
563 else
564 make_symlink () {
565 test -h "$2" &&
566 test "$1" = "$(readlink "$2")" || {
567 # be super paranoid
568 if mkdir "$2".lock
569 then
570 rm -f "$2" &&
571 ln -s "$1" "$2" &&
572 rm -r "$2".lock
573 else
574 while test -d "$2".lock
576 say "Waiting for lock on $2."
577 sleep 1
578 done
583 make_valgrind_symlink () {
584 # handle only executables
585 test -x "$1" || return
587 base=$(basename "$1")
588 symlink_target=$TEST_DIRECTORY/../$base
589 # do not override scripts
590 if test -x "$symlink_target" &&
591 test ! -d "$symlink_target" &&
592 test "#!" != "$(head -c 2 < "$symlink_target")"
593 then
594 symlink_target=../valgrind.sh
596 case "$base" in
597 *.sh|*.perl)
598 symlink_target=../unprocessed-script
599 esac
600 # create the link, or replace it if it is out of date
601 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
604 # override all git executables in TEST_DIRECTORY/..
605 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
606 mkdir -p "$GIT_VALGRIND"/bin
607 for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
609 make_valgrind_symlink $file
610 done
611 OLDIFS=$IFS
612 IFS=:
613 for path in $PATH
615 ls "$path"/git-* 2> /dev/null |
616 while read file
618 make_valgrind_symlink "$file"
619 done
620 done
621 IFS=$OLDIFS
622 PATH=$GIT_VALGRIND/bin:$PATH
623 GIT_EXEC_PATH=$GIT_VALGRIND/bin
624 export GIT_VALGRIND
626 GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
627 unset GIT_CONFIG
628 GIT_CONFIG_NOSYSTEM=1
629 GIT_CONFIG_NOGLOBAL=1
630 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
632 GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
633 export GITPERLLIB
634 test -d ../templates/blt || {
635 error "You haven't built things yet, have you?"
638 if ! test -x ../test-chmtime; then
639 echo >&2 'You need to build test-chmtime:'
640 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
641 exit 1
644 . ../GIT-BUILD-OPTIONS
646 # Test repository
647 test="trash directory.$(basename "$0" .sh)"
648 test ! -z "$debug" || remove_trash="$TEST_DIRECTORY/$test"
649 rm -fr "$test" || {
650 GIT_EXIT_OK=t
651 echo >&5 "FATAL: Cannot prepare test area"
652 exit 1
655 test_create_repo "$test"
656 # Use -P to resolve symlinks in our working directory so that the cwd
657 # in subprocesses like git equals our $PWD (for pathname comparisons).
658 cd -P "$test" || exit 1
660 this_test=${0##*/}
661 this_test=${this_test%%-*}
662 for skp in $GIT_SKIP_TESTS
664 to_skip=
665 for skp in $GIT_SKIP_TESTS
667 case "$this_test" in
668 $skp)
669 to_skip=t
670 esac
671 done
672 case "$to_skip" in
674 say_color skip >&3 "skipping test $this_test altogether"
675 say_color skip "skip all tests in $this_test"
676 test_done
677 esac
678 done
680 # Fix some commands on Windows
681 case $(uname -s) in
682 *MINGW*)
683 # Windows has its own (incompatible) sort and find
684 sort () {
685 /usr/bin/sort "$@"
687 find () {
688 /usr/bin/find "$@"
690 sum () {
691 md5sum "$@"
693 # git sees Windows-style pwd
694 pwd () {
695 builtin pwd -W
697 # no POSIX permissions
698 # backslashes in pathspec are converted to '/'
699 # exec does not inherit the PID
702 test_set_prereq POSIXPERM
703 test_set_prereq BSLASHPSPEC
704 test_set_prereq EXECKEEPSPID
706 esac
708 test -z "$NO_PERL" && test_set_prereq PERL
710 # test whether the filesystem supports symbolic links
711 ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
712 rm -f y