build dashless "bin-wrappers" directory similar to installed bindir
[git/git.git] / t / test-lib.sh
CommitLineData
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1#!/bin/sh
2#
3# Copyright (c) 2005 Junio C Hamano
4#
5
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6# if --tee was passed, write the output not only to the terminal, but
7# additionally to the file test-results/$BASENAME.out, too.
8case "$GIT_TEST_TEE_STARTED, $* " in
9done,*)
10 # do not redirect again
11 ;;
3da93652 12*' --tee '*|*' --va'*)
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13 mkdir -p test-results
14 BASE=test-results/$(basename "$0" .sh)
15 (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
16 echo $? > $BASE.exit) | tee $BASE.out
17 test "$(cat $BASE.exit)" = 0
18 exit
19 ;;
20esac
21
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22# Keep the original TERM for say_color
23ORIGINAL_TERM=$TERM
24
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25# For repeatability, reset the environment to known value.
26LANG=C
899460f3 27LC_ALL=C
d9bdd39e 28PAGER=cat
e1970ce4 29TZ=UTC
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30TERM=dumb
31export LANG LC_ALL PAGER TERM TZ
8ff99e74 32EDITOR=:
d33738d7 33unset VISUAL
18508c39 34unset GIT_EDITOR
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35unset AUTHOR_DATE
36unset AUTHOR_EMAIL
37unset AUTHOR_NAME
38unset COMMIT_AUTHOR_EMAIL
39unset COMMIT_AUTHOR_NAME
28a94f88 40unset EMAIL
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41unset GIT_ALTERNATE_OBJECT_DIRECTORIES
42unset GIT_AUTHOR_DATE
29e55cd5
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43GIT_AUTHOR_EMAIL=author@example.com
44GIT_AUTHOR_NAME='A U Thor'
6677c466 45unset GIT_COMMITTER_DATE
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46GIT_COMMITTER_EMAIL=committer@example.com
47GIT_COMMITTER_NAME='C O Mitter'
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48unset GIT_DIFF_OPTS
49unset GIT_DIR
892c41b9 50unset GIT_WORK_TREE
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51unset GIT_EXTERNAL_DIFF
52unset GIT_INDEX_FILE
53unset GIT_OBJECT_DIRECTORY
0454dd93 54unset GIT_CEILING_DIRECTORIES
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55unset SHA1_FILE_DIRECTORIES
56unset SHA1_FILE_DIRECTORY
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57GIT_MERGE_VERBOSITY=5
58export GIT_MERGE_VERBOSITY
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59export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
60export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
d33738d7 61export EDITOR
82ebb0b6 62GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
e1970ce4 63
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64# Protect ourselves from common misconfiguration to export
65# CDPATH into the environment
66unset CDPATH
67
3d5c0cc9 68case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
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69 1|2|true)
70 echo "* warning: Some tests will not work if GIT_TRACE" \
71 "is set as to trace on STDERR ! *"
72 echo "* warning: Please set GIT_TRACE to something" \
73 "other than 1, 2 or true ! *"
74 ;;
75esac
76
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77# Each test should start with something like this, after copyright notices:
78#
79# test_description='Description of this test...
80# This test checks if command xyzzy does the right thing...
81# '
82# . ./test-lib.sh
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83[ "x$ORIGINAL_TERM" != "xdumb" ] && (
84 TERM=$ORIGINAL_TERM &&
85 export TERM &&
86 [ -t 1 ] &&
87 tput bold >/dev/null 2>&1 &&
88 tput setaf 1 >/dev/null 2>&1 &&
89 tput sgr0 >/dev/null 2>&1
90 ) &&
55db1df0 91 color=t
e1970ce4 92
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93while test "$#" -ne 0
94do
95 case "$1" in
96 -d|--d|--de|--deb|--debu|--debug)
97 debug=t; shift ;;
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98 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
99 immediate=t; shift ;;
5e2c08c6 100 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
91e80b98 101 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
e1970ce4 102 -h|--h|--he|--hel|--help)
570f3226 103 help=t; shift ;;
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104 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
105 verbose=t; shift ;;
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106 -q|--q|--qu|--qui|--quie|--quiet)
107 quiet=t; shift ;;
55db1df0 108 --no-color)
faa4bc35 109 color=; shift ;;
abb7c7b3 110 --no-python)
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111 # noop now...
112 shift ;;
4e1be63c 113 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
3da93652 114 valgrind=t; verbose=t; shift ;;
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115 --tee)
116 shift ;; # was handled already
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117 --root=*)
118 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
119 shift ;;
e1970ce4 120 *)
1f729dca 121 echo "error: unknown test option '$1'" >&2; exit 1 ;;
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122 esac
123done
124
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125if test -n "$color"; then
126 say_color () {
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127 (
128 TERM=$ORIGINAL_TERM
129 export TERM
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130 case "$1" in
131 error) tput bold; tput setaf 1;; # bold red
132 skip) tput bold; tput setaf 2;; # bold green
133 pass) tput setaf 2;; # green
134 info) tput setaf 3;; # brown
1ece1274 135 *) test -n "$quiet" && return;;
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136 esac
137 shift
72d404de 138 printf "* %s" "$*"
55db1df0 139 tput sgr0
b8eecafd 140 echo
c2116a17 141 )
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142 }
143else
144 say_color() {
1ece1274 145 test -z "$1" && test -n "$quiet" && return
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146 shift
147 echo "* $*"
148 }
149fi
150
151error () {
152 say_color error "error: $*"
6e7b5aaf 153 GIT_EXIT_OK=t
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154 exit 1
155}
156
157say () {
158 say_color info "$*"
159}
160
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161test "${test_description}" != "" ||
162error "Test script did not set test_description."
163
164if test "$help" = "t"
165then
166 echo "$test_description"
167 exit 0
168fi
169
4d9d62fa 170exec 5>&1
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171if test "$verbose" = "t"
172then
173 exec 4>&2 3>&1
174else
175 exec 4>/dev/null 3>/dev/null
176fi
177
178test_failure=0
179test_count=0
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180test_fixed=0
181test_broken=0
2d84e9fb 182test_success=0
e1970ce4 183
faa4bc35 184die () {
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185 code=$?
186 if test -n "$GIT_EXIT_OK"
187 then
188 exit $code
189 else
190 echo >&5 "FATAL: Unexpected exit with code $code"
191 exit 1
192 fi
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193}
194
6e7b5aaf 195GIT_EXIT_OK=
35641310 196trap 'die' EXIT
41184273 197
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198# The semantics of the editor variables are that of invoking
199# sh -c "$EDITOR \"$@\"" files ...
200#
201# If our trash directory contains shell metacharacters, they will be
202# interpreted if we just set $EDITOR directly, so do a little dance with
203# environment variables to work around this.
204#
205# In particular, quoting isn't enough, as the path may contain the same quote
7b7b4516 206# that we're using.
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207test_set_editor () {
208 FAKE_EDITOR="$1"
209 export FAKE_EDITOR
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210 EDITOR='"$FAKE_EDITOR"'
211 export EDITOR
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212}
213
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214test_tick () {
215 if test -z "${test_tick+set}"
216 then
21afc41c 217 test_tick=1112911993
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218 else
219 test_tick=$(($test_tick + 60))
220 fi
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221 GIT_COMMITTER_DATE="$test_tick -0700"
222 GIT_AUTHOR_DATE="$test_tick -0700"
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223 export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
224}
e1970ce4 225
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226# Call test_commit with the arguments "<message> [<file> [<contents>]]"
227#
228# This will commit a file with the given contents and the given commit
229# message. It will also add a tag with <message> as name.
230#
231# Both <file> and <contents> default to <message>.
232
233test_commit () {
e656fc97 234 file=${2:-"$1.t"}
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235 echo "${3-$1}" > "$file" &&
236 git add "$file" &&
237 test_tick &&
238 git commit -m "$1" &&
239 git tag "$1"
240}
241
242# Call test_merge with the arguments "<message> <commit>", where <commit>
243# can be a tag pointing to the commit-to-merge.
244
245test_merge () {
246 test_tick &&
247 git merge -m "$1" "$2" &&
248 git tag "$1"
249}
250
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251# This function helps systems where core.filemode=false is set.
252# Use it instead of plain 'chmod +x' to set or unset the executable bit
253# of a file in the working directory and add it to the index.
254
255test_chmod () {
256 chmod "$@" &&
257 git update-index --add "--chmod=$@"
258}
259
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260# Use test_set_prereq to tell that a particular prerequisite is available.
261# The prerequisite can later be checked for in two ways:
262#
263# - Explicitly using test_have_prereq.
264#
265# - Implicitly by specifying the prerequisite tag in the calls to
266# test_expect_{success,failure,code}.
267#
268# The single parameter is the prerequisite tag (a simple word, in all
269# capital letters by convention).
270
271test_set_prereq () {
272 satisfied="$satisfied$1 "
273}
274satisfied=" "
275
276test_have_prereq () {
277 case $satisfied in
278 *" $1 "*)
279 : yes, have it ;;
280 *)
281 ! : nope ;;
282 esac
283}
284
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285# You are not expected to call test_ok_ and test_failure_ directly, use
286# the text_expect_* functions instead.
287
288test_ok_ () {
d5d9de1b 289 test_success=$(($test_success + 1))
55db1df0 290 say_color "" " ok $test_count: $@"
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291}
292
886856ab 293test_failure_ () {
d5d9de1b 294 test_failure=$(($test_failure + 1))
55db1df0 295 say_color error "FAIL $test_count: $1"
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296 shift
297 echo "$@" | sed -e 's/^/ /'
6e7b5aaf 298 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
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299}
300
41ac414e 301test_known_broken_ok_ () {
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302 test_fixed=$(($test_fixed+1))
303 say_color "" " FIXED $test_count: $@"
304}
305
306test_known_broken_failure_ () {
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307 test_broken=$(($test_broken+1))
308 say_color skip " still broken $test_count: $@"
309}
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310
311test_debug () {
8e832ebc 312 test "$debug" = "" || eval "$1"
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313}
314
4d9d62fa 315test_run_ () {
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316 eval >&3 2>&4 "$1"
317 eval_ret="$?"
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318 return 0
319}
320
04ece593 321test_skip () {
8586f98b 322 test_count=$(($test_count+1))
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323 to_skip=
324 for skp in $GIT_SKIP_TESTS
325 do
8586f98b 326 case $this_test.$test_count in
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327 $skp)
328 to_skip=t
329 esac
330 done
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331 if test -z "$to_skip" && test -n "$prereq" &&
332 ! test_have_prereq "$prereq"
333 then
334 to_skip=t
335 fi
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336 case "$to_skip" in
337 t)
55db1df0 338 say_color skip >&3 "skipping test: $@"
55db1df0 339 say_color skip "skip $test_count: $1"
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340 : true
341 ;;
342 *)
343 false
344 ;;
345 esac
346}
347
e1970ce4 348test_expect_failure () {
a7bb3940 349 test "$#" = 3 && { prereq=$1; shift; } || prereq=
8e832ebc 350 test "$#" = 2 ||
a7bb3940 351 error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
04ece593 352 if ! test_skip "$@"
e1970ce4 353 then
41ac414e 354 say >&3 "checking known breakage: $2"
04ece593 355 test_run_ "$2"
41ac414e 356 if [ "$?" = 0 -a "$eval_ret" = 0 ]
04ece593 357 then
41ac414e 358 test_known_broken_ok_ "$1"
04ece593 359 else
6e7b5aaf 360 test_known_broken_failure_ "$1"
04ece593 361 fi
e1970ce4 362 fi
7a0cf2d0 363 echo >&3 ""
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364}
365
366test_expect_success () {
a7bb3940 367 test "$#" = 3 && { prereq=$1; shift; } || prereq=
8e832ebc 368 test "$#" = 2 ||
a7bb3940 369 error "bug in the test script: not 2 or 3 parameters to test-expect-success"
04ece593 370 if ! test_skip "$@"
e1970ce4 371 then
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372 say >&3 "expecting success: $2"
373 test_run_ "$2"
374 if [ "$?" = 0 -a "$eval_ret" = 0 ]
375 then
376 test_ok_ "$1"
377 else
378 test_failure_ "$@"
379 fi
e1970ce4 380 fi
7a0cf2d0 381 echo >&3 ""
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382}
383
d3bfdb75 384test_expect_code () {
a7bb3940 385 test "$#" = 4 && { prereq=$1; shift; } || prereq=
d3bfdb75 386 test "$#" = 3 ||
a7bb3940 387 error "bug in the test script: not 3 or 4 parameters to test-expect-code"
04ece593 388 if ! test_skip "$@"
d3bfdb75 389 then
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390 say >&3 "expecting exit code $1: $3"
391 test_run_ "$3"
392 if [ "$?" = 0 -a "$eval_ret" = "$1" ]
393 then
394 test_ok_ "$2"
395 else
396 test_failure_ "$@"
397 fi
d3bfdb75 398 fi
7a0cf2d0 399 echo >&3 ""
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FK
400}
401
fb32c410
LW
402# test_external runs external test scripts that provide continuous
403# test output about their progress, and succeeds/fails on
404# zero/non-zero exit code. It outputs the test output on stdout even
405# in non-verbose mode, and announces the external script with "* run
406# <n>: ..." before running it. When providing relative paths, keep in
407# mind that all scripts run in "trash directory".
408# Usage: test_external description command arguments...
409# Example: test_external 'Perl API' perl ../path/to/test.pl
410test_external () {
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411 test "$#" = 4 && { prereq=$1; shift; } || prereq=
412 test "$#" = 3 ||
413 error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
fb32c410
LW
414 descr="$1"
415 shift
416 if ! test_skip "$descr" "$@"
417 then
418 # Announce the script to reduce confusion about the
419 # test output that follows.
8586f98b 420 say_color "" " run $test_count: $descr ($*)"
fb32c410
LW
421 # Run command; redirect its stderr to &4 as in
422 # test_run_, but keep its stdout on our stdout even in
423 # non-verbose mode.
424 "$@" 2>&4
425 if [ "$?" = 0 ]
426 then
427 test_ok_ "$descr"
428 else
429 test_failure_ "$descr" "$@"
430 fi
431 fi
432}
433
434# Like test_external, but in addition tests that the command generated
435# no output on stderr.
436test_external_without_stderr () {
437 # The temporary file has no (and must have no) security
438 # implications.
439 tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
440 stderr="$tmp/git-external-stderr.$$.tmp"
441 test_external "$@" 4> "$stderr"
442 [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
443 descr="no stderr: $1"
444 shift
445 say >&3 "expecting no stderr from previous command"
446 if [ ! -s "$stderr" ]; then
447 rm "$stderr"
448 test_ok_ "$descr"
449 else
450 if [ "$verbose" = t ]; then
451 output=`echo; echo Stderr is:; cat "$stderr"`
452 else
453 output=
454 fi
455 # rm first in case test_failure exits.
456 rm "$stderr"
457 test_failure_ "$descr" "$@" "$output"
458 fi
459}
460
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461# This is not among top-level (test_expect_success | test_expect_failure)
462# but is a prefix that can be used in the test script, like:
463#
464# test_expect_success 'complain and die' '
465# do something &&
466# do something else &&
467# test_must_fail git checkout ../outerspace
468# '
469#
470# Writing this as "! git checkout ../outerspace" is wrong, because
471# the failure could be due to a segv. We want a controlled failure.
472
473test_must_fail () {
474 "$@"
5a269730 475 test $? -gt 0 -a $? -le 129 -o $? -gt 192
74359821
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476}
477
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478# test_cmp is a helper function to compare actual and expected output.
479# You can use it like:
480#
481# test_expect_success 'foo works' '
482# echo expected >expected &&
483# foo >actual &&
484# test_cmp expected actual
485# '
486#
487# This could be written as either "cmp" or "diff -u", but:
488# - cmp's output is not nearly as easy to read as diff -u
489# - not all diff versions understand "-u"
490
491test_cmp() {
492 $GIT_TEST_CMP "$@"
493}
494
0509eb21 495# Most tests can use the created repository, but some may need to create more.
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496# Usage: test_create_repo <directory>
497test_create_repo () {
498 test "$#" = 1 ||
499 error "bug in the test script: not 1 parameter to test-create-repo"
500 owd=`pwd`
501 repo="$1"
bfdbee98 502 mkdir -p "$repo"
eedf8f97 503 cd "$repo" || error "Cannot setup test environment"
3a048328 504 "$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
5c94f87e 505 error "cannot run git init -- have you built things yet?"
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506 mv .git/hooks .git/hooks-disabled
507 cd "$owd"
508}
a6080a0a 509
e1970ce4 510test_done () {
6e7b5aaf 511 GIT_EXIT_OK=t
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512 test_results_dir="$TEST_DIRECTORY/test-results"
513 mkdir -p "$test_results_dir"
bba2a7b2 514 test_results_path="$test_results_dir/${0%.sh}-$$"
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515
516 echo "total $test_count" >> $test_results_path
517 echo "success $test_success" >> $test_results_path
518 echo "fixed $test_fixed" >> $test_results_path
519 echo "broken $test_broken" >> $test_results_path
520 echo "failed $test_failure" >> $test_results_path
521 echo "" >> $test_results_path
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522
523 if test "$test_fixed" != 0
524 then
525 say_color pass "fixed $test_fixed known breakage(s)"
526 fi
527 if test "$test_broken" != 0
528 then
529 say_color error "still have $test_broken known breakage(s)"
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530 msg="remaining $(($test_count-$test_broken)) test(s)"
531 else
532 msg="$test_count test(s)"
41ac414e 533 fi
e1970ce4 534 case "$test_failure" in
10b94e28 535 0)
11d54b8b 536 say_color pass "passed all $msg"
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537
538 test -d "$remove_trash" &&
539 cd "$(dirname "$remove_trash")" &&
540 rm -rf "$(basename "$remove_trash")"
541
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542 exit 0 ;;
543
544 *)
11d54b8b 545 say_color error "failed $test_failure among $msg"
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546 exit 1 ;;
547
548 esac
549}
550
551# Test the binaries we have just built. The tests are kept in
9adefee5 552# t/ subdirectory and are run in 'trash directory' subdirectory.
2d84e9fb 553TEST_DIRECTORY=$(pwd)
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554if test -z "$valgrind"
555then
6720721e
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556 if test -z "$GIT_TEST_INSTALLED"
557 then
558 PATH=$TEST_DIRECTORY/..:$PATH
559 GIT_EXEC_PATH=$TEST_DIRECTORY/..
560 else
561 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
562 error "Cannot run git from $GIT_TEST_INSTALLED."
563 PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
564 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
565 fi
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566else
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
588 test -x "$1" || return
589
590 base=$(basename "$1")
591 symlink_target=$TEST_DIRECTORY/../$base
592 # do not override scripts
593 if test -x "$symlink_target" &&
594 test ! -d "$symlink_target" &&
595 test "#!" != "$(head -c 2 < "$symlink_target")"
596 then
597 symlink_target=../valgrind.sh
598 fi
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599 case "$base" in
600 *.sh|*.perl)
601 symlink_target=../unprocessed-script
602 esac
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603 # create the link, or replace it if it is out of date
604 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
605 }
606
607 # override all git executables in TEST_DIRECTORY/..
608 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
609 mkdir -p "$GIT_VALGRIND"/bin
610 for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
611 do
612 make_valgrind_symlink $file
613 done
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614 OLDIFS=$IFS
615 IFS=:
616 for path in $PATH
617 do
618 ls "$path"/git-* 2> /dev/null |
619 while read file
620 do
621 make_valgrind_symlink "$file"
622 done
623 done
624 IFS=$OLDIFS
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625 PATH=$GIT_VALGRIND/bin:$PATH
626 GIT_EXEC_PATH=$GIT_VALGRIND/bin
627 export GIT_VALGRIND
4e1be63c 628fi
8683a45d 629GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
8bfa6bd6 630unset GIT_CONFIG
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631GIT_CONFIG_NOSYSTEM=1
632GIT_CONFIG_NOGLOBAL=1
633export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
49ccb087 634
6fcca938
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635GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
636export GITPERLLIB
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637test -d ../templates/blt || {
638 error "You haven't built things yet, have you?"
639}
e1970ce4 640
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641if ! test -x ../test-chmtime; then
642 echo >&2 'You need to build test-chmtime:'
643 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
644 exit 1
645fi
646
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647. ../GIT-BUILD-OPTIONS
648
e1970ce4 649# Test repository
abc5d372 650test="trash directory.$(basename "$0" .sh)"
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651test -n "$root" && test="$root/$test"
652case "$test" in
653/*) TRASH_DIRECTORY="$test" ;;
654 *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
655esac
91c8b825 656test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
8d14ac94 657rm -fr "$test" || {
6e7b5aaf 658 GIT_EXIT_OK=t
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659 echo >&5 "FATAL: Cannot prepare test area"
660 exit 1
661}
662
4a7aaccd 663test_create_repo "$test"
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664# Use -P to resolve symlinks in our working directory so that the cwd
665# in subprocesses like git equals our $PWD (for pathname comparisons).
666cd -P "$test" || exit 1
04ece593 667
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668this_test=${0##*/}
669this_test=${this_test%%-*}
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670for skp in $GIT_SKIP_TESTS
671do
672 to_skip=
673 for skp in $GIT_SKIP_TESTS
674 do
675 case "$this_test" in
676 $skp)
677 to_skip=t
678 esac
679 done
680 case "$to_skip" in
681 t)
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682 say_color skip >&3 "skipping test $this_test altogether"
683 say_color skip "skip all tests in $this_test"
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684 test_done
685 esac
686done
f17e9fbb 687
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688# Provide an implementation of the 'yes' utility
689yes () {
690 if test $# = 0
691 then
692 y=y
693 else
694 y="$*"
695 fi
696
697 while echo "$y"
698 do
699 :
700 done
701}
702
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703# Fix some commands on Windows
704case $(uname -s) in
705*MINGW*)
706 # Windows has its own (incompatible) sort and find
707 sort () {
708 /usr/bin/sort "$@"
709 }
710 find () {
711 /usr/bin/find "$@"
712 }
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713 sum () {
714 md5sum "$@"
715 }
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716 # git sees Windows-style pwd
717 pwd () {
718 builtin pwd -W
719 }
ee9fb68c 720 # no POSIX permissions
6fd1106a 721 # backslashes in pathspec are converted to '/'
fb9a2bea 722 # exec does not inherit the PID
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723 ;;
724*)
725 test_set_prereq POSIXPERM
6fd1106a 726 test_set_prereq BSLASHPSPEC
fb9a2bea 727 test_set_prereq EXECKEEPSPID
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728 ;;
729esac
704a3143 730
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731test -z "$NO_PERL" && test_set_prereq PERL
732
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733# test whether the filesystem supports symbolic links
734ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
735rm -f y