Move the user-facing test library to test-lib-functions.sh
[git/git.git] / t / test-lib.sh
CommitLineData
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1#!/bin/sh
2#
3# Copyright (c) 2005 Junio C Hamano
4#
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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/ .
e1970ce4 17
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18# if --tee was passed, write the output not only to the terminal, but
19# additionally to the file test-results/$BASENAME.out, too.
20case "$GIT_TEST_TEE_STARTED, $* " in
21done,*)
22 # do not redirect again
23 ;;
3da93652 24*' --tee '*|*' --va'*)
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25 mkdir -p test-results
26 BASE=test-results/$(basename "$0" .sh)
27 (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
28 echo $? > $BASE.exit) | tee $BASE.out
29 test "$(cat $BASE.exit)" = 0
30 exit
31 ;;
32esac
33
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34# Keep the original TERM for say_color
35ORIGINAL_TERM=$TERM
36
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37# For repeatability, reset the environment to known value.
38LANG=C
899460f3 39LC_ALL=C
d9bdd39e 40PAGER=cat
e1970ce4 41TZ=UTC
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42TERM=dumb
43export LANG LC_ALL PAGER TERM TZ
8ff99e74 44EDITOR=:
d33738d7 45unset VISUAL
28a94f88 46unset EMAIL
5e9637c6 47unset LANGUAGE
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48unset $(perl -e '
49 my @env = keys %ENV;
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50 my $ok = join("|", qw(
51 TRACE
52 DEBUG
53 USE_LOOKUP
54 TEST
55 .*_TEST
56 PROVE
57 VALGRIND
58 ));
59 my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
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60 print join("\n", @vars);
61')
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62GIT_AUTHOR_EMAIL=author@example.com
63GIT_AUTHOR_NAME='A U Thor'
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64GIT_COMMITTER_EMAIL=committer@example.com
65GIT_COMMITTER_NAME='C O Mitter'
8d0fc48f 66GIT_MERGE_VERBOSITY=5
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67GIT_MERGE_AUTOEDIT=no
68export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
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69export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
70export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
d33738d7 71export EDITOR
e1970ce4 72
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73# Protect ourselves from common misconfiguration to export
74# CDPATH into the environment
75unset CDPATH
76
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77unset GREP_OPTIONS
78
3d5c0cc9 79case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
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80 1|2|true)
81 echo "* warning: Some tests will not work if GIT_TRACE" \
82 "is set as to trace on STDERR ! *"
83 echo "* warning: Please set GIT_TRACE to something" \
84 "other than 1, 2 or true ! *"
85 ;;
86esac
87
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88# Convenience
89#
90# A regexp to match 5 and 40 hexdigits
91_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
92_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
93
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94# Zero SHA-1
95_z40=0000000000000000000000000000000000000000
96
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97# Line feed
98LF='
99'
100
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101# Each test should start with something like this, after copyright notices:
102#
103# test_description='Description of this test...
104# This test checks if command xyzzy does the right thing...
105# '
106# . ./test-lib.sh
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107[ "x$ORIGINAL_TERM" != "xdumb" ] && (
108 TERM=$ORIGINAL_TERM &&
109 export TERM &&
110 [ -t 1 ] &&
111 tput bold >/dev/null 2>&1 &&
112 tput setaf 1 >/dev/null 2>&1 &&
113 tput sgr0 >/dev/null 2>&1
114 ) &&
55db1df0 115 color=t
e1970ce4 116
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117while test "$#" -ne 0
118do
119 case "$1" in
120 -d|--d|--de|--deb|--debu|--debug)
121 debug=t; shift ;;
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122 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
123 immediate=t; shift ;;
5e2c08c6 124 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
91e80b98 125 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
e1970ce4 126 -h|--h|--he|--hel|--help)
570f3226 127 help=t; shift ;;
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128 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
129 verbose=t; shift ;;
1ece1274 130 -q|--q|--qu|--qui|--quie|--quiet)
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131 # Ignore --quiet under a TAP::Harness. Saying how many tests
132 # passed without the ok/not ok details is always an error.
133 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
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134 --with-dashes)
135 with_dashes=t; shift ;;
55db1df0 136 --no-color)
faa4bc35 137 color=; shift ;;
4e1be63c 138 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
3da93652 139 valgrind=t; verbose=t; shift ;;
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140 --tee)
141 shift ;; # was handled already
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142 --root=*)
143 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
144 shift ;;
e1970ce4 145 *)
1f729dca 146 echo "error: unknown test option '$1'" >&2; exit 1 ;;
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147 esac
148done
149
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150if test -n "$color"; then
151 say_color () {
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152 (
153 TERM=$ORIGINAL_TERM
154 export TERM
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155 case "$1" in
156 error) tput bold; tput setaf 1;; # bold red
157 skip) tput bold; tput setaf 2;; # bold green
158 pass) tput setaf 2;; # green
159 info) tput setaf 3;; # brown
1ece1274 160 *) test -n "$quiet" && return;;
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161 esac
162 shift
5099b99d 163 printf "%s" "$*"
55db1df0 164 tput sgr0
b8eecafd 165 echo
c2116a17 166 )
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167 }
168else
169 say_color() {
1ece1274 170 test -z "$1" && test -n "$quiet" && return
55db1df0 171 shift
5099b99d 172 echo "$*"
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173 }
174fi
175
176error () {
177 say_color error "error: $*"
6e7b5aaf 178 GIT_EXIT_OK=t
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179 exit 1
180}
181
182say () {
183 say_color info "$*"
184}
185
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186test "${test_description}" != "" ||
187error "Test script did not set test_description."
188
189if test "$help" = "t"
190then
191 echo "$test_description"
192 exit 0
193fi
194
4d9d62fa 195exec 5>&1
781f76b1 196exec 6<&0
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197if test "$verbose" = "t"
198then
199 exec 4>&2 3>&1
200else
201 exec 4>/dev/null 3>/dev/null
202fi
203
204test_failure=0
205test_count=0
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206test_fixed=0
207test_broken=0
2d84e9fb 208test_success=0
e1970ce4 209
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210test_external_has_tap=0
211
faa4bc35 212die () {
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213 code=$?
214 if test -n "$GIT_EXIT_OK"
215 then
216 exit $code
217 else
218 echo >&5 "FATAL: Unexpected exit with code $code"
219 exit 1
220 fi
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221}
222
6e7b5aaf 223GIT_EXIT_OK=
35641310 224trap 'die' EXIT
41184273 225
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226# The user-facing functions are loaded from a separate file so that
227# test_perf subshells can have them too
228. "${TEST_DIRECTORY:-.}"/test-lib-functions.sh
05236a5e 229
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230# You are not expected to call test_ok_ and test_failure_ directly, use
231# the text_expect_* functions instead.
232
233test_ok_ () {
d5d9de1b 234 test_success=$(($test_success + 1))
5099b99d 235 say_color "" "ok $test_count - $@"
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236}
237
886856ab 238test_failure_ () {
d5d9de1b 239 test_failure=$(($test_failure + 1))
5099b99d 240 say_color error "not ok - $test_count $1"
bf0dd8a8 241 shift
5099b99d 242 echo "$@" | sed -e 's/^/# /'
6e7b5aaf 243 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
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244}
245
41ac414e 246test_known_broken_ok_ () {
41ac414e 247 test_fixed=$(($test_fixed+1))
5099b99d 248 say_color "" "ok $test_count - $@ # TODO known breakage"
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249}
250
251test_known_broken_failure_ () {
41ac414e 252 test_broken=$(($test_broken+1))
5099b99d 253 say_color skip "not ok $test_count - $@ # TODO known breakage"
41ac414e 254}
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255
256test_debug () {
8e832ebc 257 test "$debug" = "" || eval "$1"
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258}
259
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260test_eval_ () {
261 # This is a separate function because some tests use
262 # "return" to end a test_expect_success block early.
781f76b1 263 eval </dev/null >&3 2>&4 "$*"
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264}
265
4d9d62fa 266test_run_ () {
b6b0afdc 267 test_cleanup=:
b586744a 268 expecting_failure=$2
a7c58f28 269 test_eval_ "$1"
b6b0afdc 270 eval_ret=$?
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271
272 if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
273 then
a7c58f28 274 test_eval_ "$test_cleanup"
b586744a 275 fi
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276 if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then
277 echo ""
278 fi
aa0bcf96 279 return "$eval_ret"
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280}
281
04ece593 282test_skip () {
8586f98b 283 test_count=$(($test_count+1))
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284 to_skip=
285 for skp in $GIT_SKIP_TESTS
286 do
8586f98b 287 case $this_test.$test_count in
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288 $skp)
289 to_skip=t
47e67d47 290 break
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291 esac
292 done
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293 if test -z "$to_skip" && test -n "$test_prereq" &&
294 ! test_have_prereq "$test_prereq"
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295 then
296 to_skip=t
297 fi
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298 case "$to_skip" in
299 t)
07431fc8 300 of_prereq=
05236a5e 301 if test "$missing_prereq" != "$test_prereq"
07431fc8 302 then
05236a5e 303 of_prereq=" of $test_prereq"
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304 fi
305
55db1df0 306 say_color skip >&3 "skipping test: $@"
07431fc8 307 say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
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308 : true
309 ;;
310 *)
311 false
312 ;;
313 esac
314}
315
e1970ce4 316test_done () {
6e7b5aaf 317 GIT_EXIT_OK=t
2d84e9fb 318
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319 if test -z "$HARNESS_ACTIVE"; then
320 test_results_dir="$TEST_DIRECTORY/test-results"
321 mkdir -p "$test_results_dir"
322 test_results_path="$test_results_dir/${0%.sh}-$$.counts"
323
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324 cat >>"$test_results_path" <<-EOF
325 total $test_count
326 success $test_success
327 fixed $test_fixed
328 broken $test_broken
329 failed $test_failure
330
331 EOF
8ef1abe5 332 fi
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333
334 if test "$test_fixed" != 0
335 then
5099b99d 336 say_color pass "# fixed $test_fixed known breakage(s)"
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337 fi
338 if test "$test_broken" != 0
339 then
5099b99d 340 say_color error "# still have $test_broken known breakage(s)"
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341 msg="remaining $(($test_count-$test_broken)) test(s)"
342 else
343 msg="$test_count test(s)"
41ac414e 344 fi
e1970ce4 345 case "$test_failure" in
10b94e28 346 0)
5099b99d
ÆAB
347 # Maybe print SKIP message
348 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
349
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ÆAB
350 if test $test_external_has_tap -eq 0; then
351 say_color pass "# passed all $msg"
352 say "1..$test_count$skip_all"
353 fi
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354
355 test -d "$remove_trash" &&
356 cd "$(dirname "$remove_trash")" &&
357 rm -rf "$(basename "$remove_trash")"
358
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359 exit 0 ;;
360
361 *)
d998bd4a
ÆAB
362 if test $test_external_has_tap -eq 0; then
363 say_color error "# failed $test_failure among $msg"
364 say "1..$test_count"
365 fi
5099b99d 366
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367 exit 1 ;;
368
369 esac
370}
371
372# Test the binaries we have just built. The tests are kept in
9adefee5 373# t/ subdirectory and are run in 'trash directory' subdirectory.
62f53904
ÆAB
374if test -z "$TEST_DIRECTORY"
375then
376 # We allow tests to override this, in case they want to run tests
377 # outside of t/, e.g. for running tests on the test library
378 # itself.
379 TEST_DIRECTORY=$(pwd)
380fi
6cec5c68
ÆAB
381GIT_BUILD_DIR="$TEST_DIRECTORY"/..
382
e4597aae 383if test -n "$valgrind"
4e1be63c 384then
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385 make_symlink () {
386 test -h "$2" &&
387 test "$1" = "$(readlink "$2")" || {
388 # be super paranoid
389 if mkdir "$2".lock
390 then
391 rm -f "$2" &&
392 ln -s "$1" "$2" &&
393 rm -r "$2".lock
394 else
395 while test -d "$2".lock
396 do
397 say "Waiting for lock on $2."
398 sleep 1
399 done
400 fi
401 }
402 }
403
404 make_valgrind_symlink () {
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405 # handle only executables, unless they are shell libraries that
406 # need to be in the exec-path. We will just use "#!" as a
407 # guess for a shell-script, since we have no idea what the user
408 # may have configured as the shell path.
409 test -x "$1" ||
410 test "#!" = "$(head -c 2 <"$1")" ||
411 return;
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412
413 base=$(basename "$1")
6cec5c68 414 symlink_target=$GIT_BUILD_DIR/$base
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415 # do not override scripts
416 if test -x "$symlink_target" &&
417 test ! -d "$symlink_target" &&
418 test "#!" != "$(head -c 2 < "$symlink_target")"
419 then
420 symlink_target=../valgrind.sh
421 fi
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422 case "$base" in
423 *.sh|*.perl)
424 symlink_target=../unprocessed-script
425 esac
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426 # create the link, or replace it if it is out of date
427 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
428 }
429
430 # override all git executables in TEST_DIRECTORY/..
431 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
432 mkdir -p "$GIT_VALGRIND"/bin
6cec5c68 433 for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
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434 do
435 make_valgrind_symlink $file
436 done
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437 # special-case the mergetools loadables
438 make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
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439 OLDIFS=$IFS
440 IFS=:
441 for path in $PATH
442 do
443 ls "$path"/git-* 2> /dev/null |
444 while read file
445 do
446 make_valgrind_symlink "$file"
447 done
448 done
449 IFS=$OLDIFS
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450 PATH=$GIT_VALGRIND/bin:$PATH
451 GIT_EXEC_PATH=$GIT_VALGRIND/bin
452 export GIT_VALGRIND
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453elif test -n "$GIT_TEST_INSTALLED" ; then
454 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
455 error "Cannot run git from $GIT_TEST_INSTALLED."
6cec5c68 456 PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
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457 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
458else # normal case, use ../bin-wrappers only unless $with_dashes:
6cec5c68 459 git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
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460 if ! test -x "$git_bin_dir/git" ; then
461 if test -z "$with_dashes" ; then
462 say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
463 fi
464 with_dashes=t
465 fi
466 PATH="$git_bin_dir:$PATH"
6cec5c68 467 GIT_EXEC_PATH=$GIT_BUILD_DIR
e4597aae 468 if test -n "$with_dashes" ; then
6cec5c68 469 PATH="$GIT_BUILD_DIR:$PATH"
e4597aae 470 fi
4e1be63c 471fi
6cec5c68 472GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
8bfa6bd6 473unset GIT_CONFIG
8bfa6bd6 474GIT_CONFIG_NOSYSTEM=1
3c995beb 475GIT_ATTR_NOSYSTEM=1
8f323c00 476export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
49ccb087 477
aed604c7 478. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
ac10a857 479
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480if test -z "$GIT_TEST_CMP"
481then
482 if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
483 then
484 GIT_TEST_CMP="$DIFF -c"
485 else
486 GIT_TEST_CMP="$DIFF -u"
487 fi
488fi
489
6cec5c68 490GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
6fcca938 491export GITPERLLIB
6cec5c68 492test -d "$GIT_BUILD_DIR"/templates/blt || {
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493 error "You haven't built things yet, have you?"
494}
e1970ce4 495
ac10a857 496if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
2fe40b63 497then
6cec5c68 498 GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
2fe40b63 499 export GITPYTHONLIB
6cec5c68 500 test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
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SR
501 error "You haven't built git_remote_helpers yet, have you?"
502 }
503fi
504
6cec5c68 505if ! test -x "$GIT_BUILD_DIR"/test-chmtime; then
56cf9806
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506 echo >&2 'You need to build test-chmtime:'
507 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
508 exit 1
509fi
510
e1970ce4 511# Test repository
abc5d372 512test="trash directory.$(basename "$0" .sh)"
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513test -n "$root" && test="$root/$test"
514case "$test" in
515/*) TRASH_DIRECTORY="$test" ;;
516 *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
517esac
91c8b825 518test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
8d14ac94 519rm -fr "$test" || {
6e7b5aaf 520 GIT_EXIT_OK=t
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521 echo >&5 "FATAL: Cannot prepare test area"
522 exit 1
523}
524
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525HOME="$TRASH_DIRECTORY"
526export HOME
527
4a7aaccd 528test_create_repo "$test"
1bd9c648
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529# Use -P to resolve symlinks in our working directory so that the cwd
530# in subprocesses like git equals our $PWD (for pathname comparisons).
531cd -P "$test" || exit 1
04ece593 532
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533this_test=${0##*/}
534this_test=${this_test%%-*}
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535for skp in $GIT_SKIP_TESTS
536do
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537 case "$this_test" in
538 $skp)
55db1df0 539 say_color skip >&3 "skipping test $this_test altogether"
637ab29b 540 skip_all="skip all tests in $this_test"
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541 test_done
542 esac
543done
f17e9fbb 544
8648732e
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545# Provide an implementation of the 'yes' utility
546yes () {
547 if test $# = 0
548 then
549 y=y
550 else
551 y="$*"
552 fi
553
554 while echo "$y"
555 do
556 :
557 done
558}
559
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560# Fix some commands on Windows
561case $(uname -s) in
562*MINGW*)
563 # Windows has its own (incompatible) sort and find
564 sort () {
565 /usr/bin/sort "$@"
566 }
567 find () {
568 /usr/bin/find "$@"
569 }
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570 sum () {
571 md5sum "$@"
572 }
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573 # git sees Windows-style pwd
574 pwd () {
575 builtin pwd -W
576 }
ee9fb68c 577 # no POSIX permissions
6fd1106a 578 # backslashes in pathspec are converted to '/'
fb9a2bea 579 # exec does not inherit the PID
a94114ad 580 test_set_prereq MINGW
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581 test_set_prereq SED_STRIPS_CR
582 ;;
583*CYGWIN*)
584 test_set_prereq POSIXPERM
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585 test_set_prereq EXECKEEPSPID
586 test_set_prereq NOT_MINGW
587 test_set_prereq SED_STRIPS_CR
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588 ;;
589*)
590 test_set_prereq POSIXPERM
6fd1106a 591 test_set_prereq BSLASHPSPEC
fb9a2bea 592 test_set_prereq EXECKEEPSPID
3ba9ba8f 593 test_set_prereq NOT_MINGW
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594 ;;
595esac
704a3143 596
1b19ccd2 597test -z "$NO_PERL" && test_set_prereq PERL
d4e1b47a 598test -z "$NO_PYTHON" && test_set_prereq PYTHON
8f852ce6 599test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
5e9637c6 600test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
1b19ccd2 601
bb946bba 602# Can we rely on git's output in the C locale?
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603if test -n "$GETTEXT_POISON"
604then
605 GIT_GETTEXT_POISON=YesPlease
606 export GIT_GETTEXT_POISON
5e9637c6 607 test_set_prereq GETTEXT_POISON
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608else
609 test_set_prereq C_LOCALE_OUTPUT
610fi
bb946bba 611
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612# Use this instead of test_cmp to compare files that contain expected and
613# actual output from git commands that can be translated. When running
614# under GETTEXT_POISON this pretends that the command produced expected
615# results.
616test_i18ncmp () {
617 test -n "$GETTEXT_POISON" || test_cmp "$@"
618}
619
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620# Use this instead of "grep expected-string actual" to see if the
621# output from a git command that can be translated either contains an
622# expected string, or does not contain an unwanted one. When running
623# under GETTEXT_POISON this pretends that the command produced expected
624# results.
625test_i18ngrep () {
626 if test -n "$GETTEXT_POISON"
627 then
628 : # pretend success
629 elif test "x!" = "x$1"
630 then
631 shift
632 ! grep "$@"
633 else
634 grep "$@"
635 fi
636}
637
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638# test whether the filesystem supports symbolic links
639ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
640rm -f y
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641
642# When the tests are run as root, permission tests will report that
643# things are writable when they shouldn't be.
644test -w / || test_set_prereq SANITY