test-lib: fail if invalid options are passed
[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
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32EDITOR=:
33VISUAL=:
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
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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
8ff99e74 61export EDITOR VISUAL
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
e1970ce4 117 *)
1f729dca 118 echo "error: unknown test option '$1'" >&2; exit 1 ;;
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119 esac
120done
121
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122if test -n "$color"; then
123 say_color () {
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124 (
125 TERM=$ORIGINAL_TERM
126 export TERM
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127 case "$1" in
128 error) tput bold; tput setaf 1;; # bold red
129 skip) tput bold; tput setaf 2;; # bold green
130 pass) tput setaf 2;; # green
131 info) tput setaf 3;; # brown
1ece1274 132 *) test -n "$quiet" && return;;
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133 esac
134 shift
72d404de 135 printf "* %s" "$*"
55db1df0 136 tput sgr0
b8eecafd 137 echo
c2116a17 138 )
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139 }
140else
141 say_color() {
1ece1274 142 test -z "$1" && test -n "$quiet" && return
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143 shift
144 echo "* $*"
145 }
146fi
147
148error () {
149 say_color error "error: $*"
35641310 150 trap - EXIT
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151 exit 1
152}
153
154say () {
155 say_color info "$*"
156}
157
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158test "${test_description}" != "" ||
159error "Test script did not set test_description."
160
161if test "$help" = "t"
162then
163 echo "$test_description"
164 exit 0
165fi
166
4d9d62fa 167exec 5>&1
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168if test "$verbose" = "t"
169then
170 exec 4>&2 3>&1
171else
172 exec 4>/dev/null 3>/dev/null
173fi
174
175test_failure=0
176test_count=0
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177test_fixed=0
178test_broken=0
2d84e9fb 179test_success=0
e1970ce4 180
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181die () {
182 echo >&5 "FATAL: Unexpected exit with code $?"
183 exit 1
184}
185
35641310 186trap 'die' EXIT
41184273 187
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188# The semantics of the editor variables are that of invoking
189# sh -c "$EDITOR \"$@\"" files ...
190#
191# If our trash directory contains shell metacharacters, they will be
192# interpreted if we just set $EDITOR directly, so do a little dance with
193# environment variables to work around this.
194#
195# In particular, quoting isn't enough, as the path may contain the same quote
7b7b4516 196# that we're using.
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197test_set_editor () {
198 FAKE_EDITOR="$1"
199 export FAKE_EDITOR
200 VISUAL='"$FAKE_EDITOR"'
201 export VISUAL
202}
203
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204test_tick () {
205 if test -z "${test_tick+set}"
206 then
21afc41c 207 test_tick=1112911993
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208 else
209 test_tick=$(($test_tick + 60))
210 fi
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211 GIT_COMMITTER_DATE="$test_tick -0700"
212 GIT_AUTHOR_DATE="$test_tick -0700"
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213 export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
214}
e1970ce4 215
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216# Call test_commit with the arguments "<message> [<file> [<contents>]]"
217#
218# This will commit a file with the given contents and the given commit
219# message. It will also add a tag with <message> as name.
220#
221# Both <file> and <contents> default to <message>.
222
223test_commit () {
e656fc97 224 file=${2:-"$1.t"}
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225 echo "${3-$1}" > "$file" &&
226 git add "$file" &&
227 test_tick &&
228 git commit -m "$1" &&
229 git tag "$1"
230}
231
232# Call test_merge with the arguments "<message> <commit>", where <commit>
233# can be a tag pointing to the commit-to-merge.
234
235test_merge () {
236 test_tick &&
237 git merge -m "$1" "$2" &&
238 git tag "$1"
239}
240
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241# This function helps systems where core.filemode=false is set.
242# Use it instead of plain 'chmod +x' to set or unset the executable bit
243# of a file in the working directory and add it to the index.
244
245test_chmod () {
246 chmod "$@" &&
247 git update-index --add "--chmod=$@"
248}
249
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250# Use test_set_prereq to tell that a particular prerequisite is available.
251# The prerequisite can later be checked for in two ways:
252#
253# - Explicitly using test_have_prereq.
254#
255# - Implicitly by specifying the prerequisite tag in the calls to
256# test_expect_{success,failure,code}.
257#
258# The single parameter is the prerequisite tag (a simple word, in all
259# capital letters by convention).
260
261test_set_prereq () {
262 satisfied="$satisfied$1 "
263}
264satisfied=" "
265
266test_have_prereq () {
267 case $satisfied in
268 *" $1 "*)
269 : yes, have it ;;
270 *)
271 ! : nope ;;
272 esac
273}
274
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275# You are not expected to call test_ok_ and test_failure_ directly, use
276# the text_expect_* functions instead.
277
278test_ok_ () {
d5d9de1b 279 test_success=$(($test_success + 1))
55db1df0 280 say_color "" " ok $test_count: $@"
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281}
282
886856ab 283test_failure_ () {
d5d9de1b 284 test_failure=$(($test_failure + 1))
55db1df0 285 say_color error "FAIL $test_count: $1"
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286 shift
287 echo "$@" | sed -e 's/^/ /'
35641310 288 test "$immediate" = "" || { trap - EXIT; exit 1; }
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289}
290
41ac414e 291test_known_broken_ok_ () {
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292 test_fixed=$(($test_fixed+1))
293 say_color "" " FIXED $test_count: $@"
294}
295
296test_known_broken_failure_ () {
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297 test_broken=$(($test_broken+1))
298 say_color skip " still broken $test_count: $@"
299}
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300
301test_debug () {
8e832ebc 302 test "$debug" = "" || eval "$1"
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303}
304
4d9d62fa 305test_run_ () {
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306 eval >&3 2>&4 "$1"
307 eval_ret="$?"
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308 return 0
309}
310
04ece593 311test_skip () {
8586f98b 312 test_count=$(($test_count+1))
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313 to_skip=
314 for skp in $GIT_SKIP_TESTS
315 do
8586f98b 316 case $this_test.$test_count in
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317 $skp)
318 to_skip=t
319 esac
320 done
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321 if test -z "$to_skip" && test -n "$prereq" &&
322 ! test_have_prereq "$prereq"
323 then
324 to_skip=t
325 fi
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326 case "$to_skip" in
327 t)
55db1df0 328 say_color skip >&3 "skipping test: $@"
55db1df0 329 say_color skip "skip $test_count: $1"
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330 : true
331 ;;
332 *)
333 false
334 ;;
335 esac
336}
337
e1970ce4 338test_expect_failure () {
a7bb3940 339 test "$#" = 3 && { prereq=$1; shift; } || prereq=
8e832ebc 340 test "$#" = 2 ||
a7bb3940 341 error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
04ece593 342 if ! test_skip "$@"
e1970ce4 343 then
41ac414e 344 say >&3 "checking known breakage: $2"
04ece593 345 test_run_ "$2"
41ac414e 346 if [ "$?" = 0 -a "$eval_ret" = 0 ]
04ece593 347 then
41ac414e 348 test_known_broken_ok_ "$1"
04ece593 349 else
41ac414e 350 test_known_broken_failure_ "$1"
04ece593 351 fi
e1970ce4 352 fi
7a0cf2d0 353 echo >&3 ""
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354}
355
356test_expect_success () {
a7bb3940 357 test "$#" = 3 && { prereq=$1; shift; } || prereq=
8e832ebc 358 test "$#" = 2 ||
a7bb3940 359 error "bug in the test script: not 2 or 3 parameters to test-expect-success"
04ece593 360 if ! test_skip "$@"
e1970ce4 361 then
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362 say >&3 "expecting success: $2"
363 test_run_ "$2"
364 if [ "$?" = 0 -a "$eval_ret" = 0 ]
365 then
366 test_ok_ "$1"
367 else
368 test_failure_ "$@"
369 fi
e1970ce4 370 fi
7a0cf2d0 371 echo >&3 ""
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372}
373
d3bfdb75 374test_expect_code () {
a7bb3940 375 test "$#" = 4 && { prereq=$1; shift; } || prereq=
d3bfdb75 376 test "$#" = 3 ||
a7bb3940 377 error "bug in the test script: not 3 or 4 parameters to test-expect-code"
04ece593 378 if ! test_skip "$@"
d3bfdb75 379 then
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380 say >&3 "expecting exit code $1: $3"
381 test_run_ "$3"
382 if [ "$?" = 0 -a "$eval_ret" = "$1" ]
383 then
384 test_ok_ "$2"
385 else
386 test_failure_ "$@"
387 fi
d3bfdb75 388 fi
7a0cf2d0 389 echo >&3 ""
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FK
390}
391
fb32c410
LW
392# test_external runs external test scripts that provide continuous
393# test output about their progress, and succeeds/fails on
394# zero/non-zero exit code. It outputs the test output on stdout even
395# in non-verbose mode, and announces the external script with "* run
396# <n>: ..." before running it. When providing relative paths, keep in
397# mind that all scripts run in "trash directory".
398# Usage: test_external description command arguments...
399# Example: test_external 'Perl API' perl ../path/to/test.pl
400test_external () {
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401 test "$#" = 4 && { prereq=$1; shift; } || prereq=
402 test "$#" = 3 ||
403 error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
fb32c410
LW
404 descr="$1"
405 shift
406 if ! test_skip "$descr" "$@"
407 then
408 # Announce the script to reduce confusion about the
409 # test output that follows.
8586f98b 410 say_color "" " run $test_count: $descr ($*)"
fb32c410
LW
411 # Run command; redirect its stderr to &4 as in
412 # test_run_, but keep its stdout on our stdout even in
413 # non-verbose mode.
414 "$@" 2>&4
415 if [ "$?" = 0 ]
416 then
417 test_ok_ "$descr"
418 else
419 test_failure_ "$descr" "$@"
420 fi
421 fi
422}
423
424# Like test_external, but in addition tests that the command generated
425# no output on stderr.
426test_external_without_stderr () {
427 # The temporary file has no (and must have no) security
428 # implications.
429 tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
430 stderr="$tmp/git-external-stderr.$$.tmp"
431 test_external "$@" 4> "$stderr"
432 [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
433 descr="no stderr: $1"
434 shift
435 say >&3 "expecting no stderr from previous command"
436 if [ ! -s "$stderr" ]; then
437 rm "$stderr"
438 test_ok_ "$descr"
439 else
440 if [ "$verbose" = t ]; then
441 output=`echo; echo Stderr is:; cat "$stderr"`
442 else
443 output=
444 fi
445 # rm first in case test_failure exits.
446 rm "$stderr"
447 test_failure_ "$descr" "$@" "$output"
448 fi
449}
450
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451# This is not among top-level (test_expect_success | test_expect_failure)
452# but is a prefix that can be used in the test script, like:
453#
454# test_expect_success 'complain and die' '
455# do something &&
456# do something else &&
457# test_must_fail git checkout ../outerspace
458# '
459#
460# Writing this as "! git checkout ../outerspace" is wrong, because
461# the failure could be due to a segv. We want a controlled failure.
462
463test_must_fail () {
464 "$@"
5a269730 465 test $? -gt 0 -a $? -le 129 -o $? -gt 192
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466}
467
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468# test_cmp is a helper function to compare actual and expected output.
469# You can use it like:
470#
471# test_expect_success 'foo works' '
472# echo expected >expected &&
473# foo >actual &&
474# test_cmp expected actual
475# '
476#
477# This could be written as either "cmp" or "diff -u", but:
478# - cmp's output is not nearly as easy to read as diff -u
479# - not all diff versions understand "-u"
480
481test_cmp() {
482 $GIT_TEST_CMP "$@"
483}
484
0509eb21 485# Most tests can use the created repository, but some may need to create more.
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486# Usage: test_create_repo <directory>
487test_create_repo () {
488 test "$#" = 1 ||
489 error "bug in the test script: not 1 parameter to test-create-repo"
490 owd=`pwd`
491 repo="$1"
bfdbee98 492 mkdir -p "$repo"
eedf8f97 493 cd "$repo" || error "Cannot setup test environment"
3a048328 494 "$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
5c94f87e 495 error "cannot run git init -- have you built things yet?"
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CW
496 mv .git/hooks .git/hooks-disabled
497 cd "$owd"
498}
a6080a0a 499
e1970ce4 500test_done () {
35641310 501 trap - EXIT
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502 test_results_dir="$TEST_DIRECTORY/test-results"
503 mkdir -p "$test_results_dir"
bba2a7b2 504 test_results_path="$test_results_dir/${0%.sh}-$$"
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SR
505
506 echo "total $test_count" >> $test_results_path
507 echo "success $test_success" >> $test_results_path
508 echo "fixed $test_fixed" >> $test_results_path
509 echo "broken $test_broken" >> $test_results_path
510 echo "failed $test_failure" >> $test_results_path
511 echo "" >> $test_results_path
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512
513 if test "$test_fixed" != 0
514 then
515 say_color pass "fixed $test_fixed known breakage(s)"
516 fi
517 if test "$test_broken" != 0
518 then
519 say_color error "still have $test_broken known breakage(s)"
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520 msg="remaining $(($test_count-$test_broken)) test(s)"
521 else
522 msg="$test_count test(s)"
41ac414e 523 fi
e1970ce4 524 case "$test_failure" in
10b94e28 525 0)
11d54b8b 526 say_color pass "passed all $msg"
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527
528 test -d "$remove_trash" &&
529 cd "$(dirname "$remove_trash")" &&
530 rm -rf "$(basename "$remove_trash")"
531
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532 exit 0 ;;
533
534 *)
11d54b8b 535 say_color error "failed $test_failure among $msg"
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536 exit 1 ;;
537
538 esac
539}
540
541# Test the binaries we have just built. The tests are kept in
9adefee5 542# t/ subdirectory and are run in 'trash directory' subdirectory.
2d84e9fb 543TEST_DIRECTORY=$(pwd)
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544if test -z "$valgrind"
545then
6720721e
MG
546 if test -z "$GIT_TEST_INSTALLED"
547 then
548 PATH=$TEST_DIRECTORY/..:$PATH
549 GIT_EXEC_PATH=$TEST_DIRECTORY/..
550 else
551 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
552 error "Cannot run git from $GIT_TEST_INSTALLED."
553 PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
554 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
555 fi
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JS
556else
557 make_symlink () {
558 test -h "$2" &&
559 test "$1" = "$(readlink "$2")" || {
560 # be super paranoid
561 if mkdir "$2".lock
562 then
563 rm -f "$2" &&
564 ln -s "$1" "$2" &&
565 rm -r "$2".lock
566 else
567 while test -d "$2".lock
568 do
569 say "Waiting for lock on $2."
570 sleep 1
571 done
572 fi
573 }
574 }
575
576 make_valgrind_symlink () {
577 # handle only executables
578 test -x "$1" || return
579
580 base=$(basename "$1")
581 symlink_target=$TEST_DIRECTORY/../$base
582 # do not override scripts
583 if test -x "$symlink_target" &&
584 test ! -d "$symlink_target" &&
585 test "#!" != "$(head -c 2 < "$symlink_target")"
586 then
587 symlink_target=../valgrind.sh
588 fi
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589 case "$base" in
590 *.sh|*.perl)
591 symlink_target=../unprocessed-script
592 esac
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593 # create the link, or replace it if it is out of date
594 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
595 }
596
597 # override all git executables in TEST_DIRECTORY/..
598 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
599 mkdir -p "$GIT_VALGRIND"/bin
600 for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
601 do
602 make_valgrind_symlink $file
603 done
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604 OLDIFS=$IFS
605 IFS=:
606 for path in $PATH
607 do
608 ls "$path"/git-* 2> /dev/null |
609 while read file
610 do
611 make_valgrind_symlink "$file"
612 done
613 done
614 IFS=$OLDIFS
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615 PATH=$GIT_VALGRIND/bin:$PATH
616 GIT_EXEC_PATH=$GIT_VALGRIND/bin
617 export GIT_VALGRIND
4e1be63c 618fi
8683a45d 619GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
8bfa6bd6 620unset GIT_CONFIG
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621GIT_CONFIG_NOSYSTEM=1
622GIT_CONFIG_NOGLOBAL=1
623export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
49ccb087 624
6fcca938
PB
625GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
626export GITPERLLIB
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627test -d ../templates/blt || {
628 error "You haven't built things yet, have you?"
629}
e1970ce4 630
56cf9806
EW
631if ! test -x ../test-chmtime; then
632 echo >&2 'You need to build test-chmtime:'
633 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
634 exit 1
635fi
636
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637. ../GIT-BUILD-OPTIONS
638
e1970ce4 639# Test repository
abc5d372 640test="trash directory.$(basename "$0" .sh)"
5a4a088a 641test ! -z "$debug" || remove_trash="$TEST_DIRECTORY/$test"
8d14ac94 642rm -fr "$test" || {
35641310 643 trap - EXIT
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644 echo >&5 "FATAL: Cannot prepare test area"
645 exit 1
646}
647
4a7aaccd 648test_create_repo "$test"
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649# Use -P to resolve symlinks in our working directory so that the cwd
650# in subprocesses like git equals our $PWD (for pathname comparisons).
651cd -P "$test" || exit 1
04ece593 652
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653this_test=${0##*/}
654this_test=${this_test%%-*}
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655for skp in $GIT_SKIP_TESTS
656do
657 to_skip=
658 for skp in $GIT_SKIP_TESTS
659 do
660 case "$this_test" in
661 $skp)
662 to_skip=t
663 esac
664 done
665 case "$to_skip" in
666 t)
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667 say_color skip >&3 "skipping test $this_test altogether"
668 say_color skip "skip all tests in $this_test"
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669 test_done
670 esac
671done
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672
673# Fix some commands on Windows
674case $(uname -s) in
675*MINGW*)
676 # Windows has its own (incompatible) sort and find
677 sort () {
678 /usr/bin/sort "$@"
679 }
680 find () {
681 /usr/bin/find "$@"
682 }
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683 sum () {
684 md5sum "$@"
685 }
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686 # git sees Windows-style pwd
687 pwd () {
688 builtin pwd -W
689 }
ee9fb68c 690 # no POSIX permissions
6fd1106a 691 # backslashes in pathspec are converted to '/'
fb9a2bea 692 # exec does not inherit the PID
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693 ;;
694*)
695 test_set_prereq POSIXPERM
6fd1106a 696 test_set_prereq BSLASHPSPEC
fb9a2bea 697 test_set_prereq EXECKEEPSPID
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698 ;;
699esac
704a3143 700
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701test -z "$NO_PERL" && test_set_prereq PERL
702
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703# test whether the filesystem supports symbolic links
704ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
705rm -f y