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1 | #!/bin/sh |
2 | # | |
3 | # Copyright (c) 2005 Junio C Hamano | |
4 | # | |
5 | # This program is free software: you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation, either version 2 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program. If not, see http://www.gnu.org/licenses/ . | |
17 | ||
18 | # The semantics of the editor variables are that of invoking | |
19 | # sh -c "$EDITOR \"$@\"" files ... | |
20 | # | |
21 | # If our trash directory contains shell metacharacters, they will be | |
22 | # interpreted if we just set $EDITOR directly, so do a little dance with | |
23 | # environment variables to work around this. | |
24 | # | |
25 | # In particular, quoting isn't enough, as the path may contain the same quote | |
26 | # that we're using. | |
27 | test_set_editor () { | |
28 | FAKE_EDITOR="$1" | |
29 | export FAKE_EDITOR | |
30 | EDITOR='"$FAKE_EDITOR"' | |
31 | export EDITOR | |
32 | } | |
33 | ||
34 | test_decode_color () { | |
35 | awk ' | |
36 | function name(n) { | |
37 | if (n == 0) return "RESET"; | |
38 | if (n == 1) return "BOLD"; | |
39 | if (n == 30) return "BLACK"; | |
40 | if (n == 31) return "RED"; | |
41 | if (n == 32) return "GREEN"; | |
42 | if (n == 33) return "YELLOW"; | |
43 | if (n == 34) return "BLUE"; | |
44 | if (n == 35) return "MAGENTA"; | |
45 | if (n == 36) return "CYAN"; | |
46 | if (n == 37) return "WHITE"; | |
47 | if (n == 40) return "BLACK"; | |
48 | if (n == 41) return "BRED"; | |
49 | if (n == 42) return "BGREEN"; | |
50 | if (n == 43) return "BYELLOW"; | |
51 | if (n == 44) return "BBLUE"; | |
52 | if (n == 45) return "BMAGENTA"; | |
53 | if (n == 46) return "BCYAN"; | |
54 | if (n == 47) return "BWHITE"; | |
55 | } | |
56 | { | |
57 | while (match($0, /\033\[[0-9;]*m/) != 0) { | |
58 | printf "%s<", substr($0, 1, RSTART-1); | |
59 | codes = substr($0, RSTART+2, RLENGTH-3); | |
60 | if (length(codes) == 0) | |
61 | printf "%s", name(0) | |
62 | else { | |
63 | n = split(codes, ary, ";"); | |
64 | sep = ""; | |
65 | for (i = 1; i <= n; i++) { | |
66 | printf "%s%s", sep, name(ary[i]); | |
67 | sep = ";" | |
68 | } | |
69 | } | |
70 | printf ">"; | |
71 | $0 = substr($0, RSTART + RLENGTH, length($0) - RSTART - RLENGTH + 1); | |
72 | } | |
73 | ||
74 | } | |
75 | ' | |
76 | } | |
77 | ||
78 | nul_to_q () { | |
79 | perl -pe 'y/\000/Q/' | |
80 | } | |
81 | ||
82 | q_to_nul () { | |
83 | perl -pe 'y/Q/\000/' | |
84 | } | |
85 | ||
86 | q_to_cr () { | |
87 | tr Q '\015' | |
88 | } | |
89 | ||
90 | q_to_tab () { | |
91 | tr Q '\011' | |
92 | } | |
93 | ||
94 | append_cr () { | |
95 | sed -e 's/$/Q/' | tr Q '\015' | |
96 | } | |
97 | ||
98 | remove_cr () { | |
99 | tr '\015' Q | sed -e 's/Q$//' | |
100 | } | |
101 | ||
102 | # In some bourne shell implementations, the "unset" builtin returns | |
103 | # nonzero status when a variable to be unset was not set in the first | |
104 | # place. | |
105 | # | |
106 | # Use sane_unset when that should not be considered an error. | |
107 | ||
108 | sane_unset () { | |
109 | unset "$@" | |
110 | return 0 | |
111 | } | |
112 | ||
113 | test_tick () { | |
114 | if test -z "${test_tick+set}" | |
115 | then | |
116 | test_tick=1112911993 | |
117 | else | |
118 | test_tick=$(($test_tick + 60)) | |
119 | fi | |
120 | GIT_COMMITTER_DATE="$test_tick -0700" | |
121 | GIT_AUTHOR_DATE="$test_tick -0700" | |
122 | export GIT_COMMITTER_DATE GIT_AUTHOR_DATE | |
123 | } | |
124 | ||
125 | # Stop execution and start a shell. This is useful for debugging tests and | |
126 | # only makes sense together with "-v". | |
127 | # | |
128 | # Be sure to remove all invocations of this command before submitting. | |
129 | ||
130 | test_pause () { | |
131 | if test "$verbose" = t; then | |
132 | "$SHELL_PATH" <&6 >&3 2>&4 | |
133 | else | |
134 | error >&5 "test_pause requires --verbose" | |
135 | fi | |
136 | } | |
137 | ||
138 | # Call test_commit with the arguments "<message> [<file> [<contents>]]" | |
139 | # | |
140 | # This will commit a file with the given contents and the given commit | |
141 | # message. It will also add a tag with <message> as name. | |
142 | # | |
143 | # Both <file> and <contents> default to <message>. | |
144 | ||
145 | test_commit () { | |
146 | file=${2:-"$1.t"} | |
147 | echo "${3-$1}" > "$file" && | |
148 | git add "$file" && | |
149 | test_tick && | |
150 | git commit -m "$1" && | |
151 | git tag "$1" | |
152 | } | |
153 | ||
154 | # Call test_merge with the arguments "<message> <commit>", where <commit> | |
155 | # can be a tag pointing to the commit-to-merge. | |
156 | ||
157 | test_merge () { | |
158 | test_tick && | |
159 | git merge -m "$1" "$2" && | |
160 | git tag "$1" | |
161 | } | |
162 | ||
163 | # This function helps systems where core.filemode=false is set. | |
164 | # Use it instead of plain 'chmod +x' to set or unset the executable bit | |
165 | # of a file in the working directory and add it to the index. | |
166 | ||
167 | test_chmod () { | |
168 | chmod "$@" && | |
169 | git update-index --add "--chmod=$@" | |
170 | } | |
171 | ||
172 | # Unset a configuration variable, but don't fail if it doesn't exist. | |
173 | test_unconfig () { | |
174 | git config --unset-all "$@" | |
175 | config_status=$? | |
176 | case "$config_status" in | |
177 | 5) # ok, nothing to unset | |
178 | config_status=0 | |
179 | ;; | |
180 | esac | |
181 | return $config_status | |
182 | } | |
183 | ||
184 | # Set git config, automatically unsetting it after the test is over. | |
185 | test_config () { | |
186 | test_when_finished "test_unconfig '$1'" && | |
187 | git config "$@" | |
188 | } | |
189 | ||
190 | test_config_global () { | |
191 | test_when_finished "test_unconfig --global '$1'" && | |
192 | git config --global "$@" | |
193 | } | |
194 | ||
195 | write_script () { | |
196 | { | |
197 | echo "#!${2-"$SHELL_PATH"}" && | |
198 | cat | |
199 | } >"$1" && | |
200 | chmod +x "$1" | |
201 | } | |
202 | ||
203 | # Use test_set_prereq to tell that a particular prerequisite is available. | |
204 | # The prerequisite can later be checked for in two ways: | |
205 | # | |
206 | # - Explicitly using test_have_prereq. | |
207 | # | |
208 | # - Implicitly by specifying the prerequisite tag in the calls to | |
209 | # test_expect_{success,failure,code}. | |
210 | # | |
211 | # The single parameter is the prerequisite tag (a simple word, in all | |
212 | # capital letters by convention). | |
213 | ||
214 | test_set_prereq () { | |
215 | satisfied="$satisfied$1 " | |
216 | } | |
217 | satisfied=" " | |
218 | ||
219 | test_have_prereq () { | |
220 | # prerequisites can be concatenated with ',' | |
221 | save_IFS=$IFS | |
222 | IFS=, | |
223 | set -- $* | |
224 | IFS=$save_IFS | |
225 | ||
226 | total_prereq=0 | |
227 | ok_prereq=0 | |
228 | missing_prereq= | |
229 | ||
230 | for prerequisite | |
231 | do | |
232 | total_prereq=$(($total_prereq + 1)) | |
233 | case $satisfied in | |
234 | *" $prerequisite "*) | |
235 | ok_prereq=$(($ok_prereq + 1)) | |
236 | ;; | |
237 | *) | |
238 | # Keep a list of missing prerequisites | |
239 | if test -z "$missing_prereq" | |
240 | then | |
241 | missing_prereq=$prerequisite | |
242 | else | |
243 | missing_prereq="$prerequisite,$missing_prereq" | |
244 | fi | |
245 | esac | |
246 | done | |
247 | ||
248 | test $total_prereq = $ok_prereq | |
249 | } | |
250 | ||
251 | test_declared_prereq () { | |
252 | case ",$test_prereq," in | |
253 | *,$1,*) | |
254 | return 0 | |
255 | ;; | |
256 | esac | |
257 | return 1 | |
258 | } | |
259 | ||
260 | test_expect_failure () { | |
261 | test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq= | |
262 | test "$#" = 2 || | |
263 | error "bug in the test script: not 2 or 3 parameters to test-expect-failure" | |
264 | export test_prereq | |
265 | if ! test_skip "$@" | |
266 | then | |
267 | say >&3 "checking known breakage: $2" | |
268 | if test_run_ "$2" expecting_failure | |
269 | then | |
270 | test_known_broken_ok_ "$1" | |
271 | else | |
272 | test_known_broken_failure_ "$1" | |
273 | fi | |
274 | fi | |
275 | echo >&3 "" | |
276 | } | |
277 | ||
278 | test_expect_success () { | |
279 | test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq= | |
280 | test "$#" = 2 || | |
281 | error "bug in the test script: not 2 or 3 parameters to test-expect-success" | |
282 | export test_prereq | |
283 | if ! test_skip "$@" | |
284 | then | |
285 | say >&3 "expecting success: $2" | |
286 | if test_run_ "$2" | |
287 | then | |
288 | test_ok_ "$1" | |
289 | else | |
290 | test_failure_ "$@" | |
291 | fi | |
292 | fi | |
293 | echo >&3 "" | |
294 | } | |
295 | ||
296 | # test_external runs external test scripts that provide continuous | |
297 | # test output about their progress, and succeeds/fails on | |
298 | # zero/non-zero exit code. It outputs the test output on stdout even | |
299 | # in non-verbose mode, and announces the external script with "# run | |
300 | # <n>: ..." before running it. When providing relative paths, keep in | |
301 | # mind that all scripts run in "trash directory". | |
302 | # Usage: test_external description command arguments... | |
303 | # Example: test_external 'Perl API' perl ../path/to/test.pl | |
304 | test_external () { | |
305 | test "$#" = 4 && { test_prereq=$1; shift; } || test_prereq= | |
306 | test "$#" = 3 || | |
307 | error >&5 "bug in the test script: not 3 or 4 parameters to test_external" | |
308 | descr="$1" | |
309 | shift | |
310 | export test_prereq | |
311 | if ! test_skip "$descr" "$@" | |
312 | then | |
313 | # Announce the script to reduce confusion about the | |
314 | # test output that follows. | |
315 | say_color "" "# run $test_count: $descr ($*)" | |
316 | # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG | |
317 | # to be able to use them in script | |
318 | export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG | |
319 | # Run command; redirect its stderr to &4 as in | |
320 | # test_run_, but keep its stdout on our stdout even in | |
321 | # non-verbose mode. | |
322 | "$@" 2>&4 | |
323 | if [ "$?" = 0 ] | |
324 | then | |
325 | if test $test_external_has_tap -eq 0; then | |
326 | test_ok_ "$descr" | |
327 | else | |
328 | say_color "" "# test_external test $descr was ok" | |
329 | test_success=$(($test_success + 1)) | |
330 | fi | |
331 | else | |
332 | if test $test_external_has_tap -eq 0; then | |
333 | test_failure_ "$descr" "$@" | |
334 | else | |
335 | say_color error "# test_external test $descr failed: $@" | |
336 | test_failure=$(($test_failure + 1)) | |
337 | fi | |
338 | fi | |
339 | fi | |
340 | } | |
341 | ||
342 | # Like test_external, but in addition tests that the command generated | |
343 | # no output on stderr. | |
344 | test_external_without_stderr () { | |
345 | # The temporary file has no (and must have no) security | |
346 | # implications. | |
347 | tmp=${TMPDIR:-/tmp} | |
348 | stderr="$tmp/git-external-stderr.$$.tmp" | |
349 | test_external "$@" 4> "$stderr" | |
350 | [ -f "$stderr" ] || error "Internal error: $stderr disappeared." | |
351 | descr="no stderr: $1" | |
352 | shift | |
353 | say >&3 "# expecting no stderr from previous command" | |
354 | if [ ! -s "$stderr" ]; then | |
355 | rm "$stderr" | |
356 | ||
357 | if test $test_external_has_tap -eq 0; then | |
358 | test_ok_ "$descr" | |
359 | else | |
360 | say_color "" "# test_external_without_stderr test $descr was ok" | |
361 | test_success=$(($test_success + 1)) | |
362 | fi | |
363 | else | |
364 | if [ "$verbose" = t ]; then | |
365 | output=`echo; echo "# Stderr is:"; cat "$stderr"` | |
366 | else | |
367 | output= | |
368 | fi | |
369 | # rm first in case test_failure exits. | |
370 | rm "$stderr" | |
371 | if test $test_external_has_tap -eq 0; then | |
372 | test_failure_ "$descr" "$@" "$output" | |
373 | else | |
374 | say_color error "# test_external_without_stderr test $descr failed: $@: $output" | |
375 | test_failure=$(($test_failure + 1)) | |
376 | fi | |
377 | fi | |
378 | } | |
379 | ||
380 | # debugging-friendly alternatives to "test [-f|-d|-e]" | |
381 | # The commands test the existence or non-existence of $1. $2 can be | |
382 | # given to provide a more precise diagnosis. | |
383 | test_path_is_file () { | |
384 | if ! [ -f "$1" ] | |
385 | then | |
386 | echo "File $1 doesn't exist. $*" | |
387 | false | |
388 | fi | |
389 | } | |
390 | ||
391 | test_path_is_dir () { | |
392 | if ! [ -d "$1" ] | |
393 | then | |
394 | echo "Directory $1 doesn't exist. $*" | |
395 | false | |
396 | fi | |
397 | } | |
398 | ||
399 | test_path_is_missing () { | |
400 | if [ -e "$1" ] | |
401 | then | |
402 | echo "Path exists:" | |
403 | ls -ld "$1" | |
404 | if [ $# -ge 1 ]; then | |
405 | echo "$*" | |
406 | fi | |
407 | false | |
408 | fi | |
409 | } | |
410 | ||
411 | # test_line_count checks that a file has the number of lines it | |
412 | # ought to. For example: | |
413 | # | |
414 | # test_expect_success 'produce exactly one line of output' ' | |
415 | # do something >output && | |
416 | # test_line_count = 1 output | |
417 | # ' | |
418 | # | |
419 | # is like "test $(wc -l <output) = 1" except that it passes the | |
420 | # output through when the number of lines is wrong. | |
421 | ||
422 | test_line_count () { | |
423 | if test $# != 3 | |
424 | then | |
425 | error "bug in the test script: not 3 parameters to test_line_count" | |
426 | elif ! test $(wc -l <"$3") "$1" "$2" | |
427 | then | |
428 | echo "test_line_count: line count for $3 !$1 $2" | |
429 | cat "$3" | |
430 | return 1 | |
431 | fi | |
432 | } | |
433 | ||
434 | # This is not among top-level (test_expect_success | test_expect_failure) | |
435 | # but is a prefix that can be used in the test script, like: | |
436 | # | |
437 | # test_expect_success 'complain and die' ' | |
438 | # do something && | |
439 | # do something else && | |
440 | # test_must_fail git checkout ../outerspace | |
441 | # ' | |
442 | # | |
443 | # Writing this as "! git checkout ../outerspace" is wrong, because | |
444 | # the failure could be due to a segv. We want a controlled failure. | |
445 | ||
446 | test_must_fail () { | |
447 | "$@" | |
448 | exit_code=$? | |
449 | if test $exit_code = 0; then | |
450 | echo >&2 "test_must_fail: command succeeded: $*" | |
451 | return 1 | |
452 | elif test $exit_code -gt 129 -a $exit_code -le 192; then | |
453 | echo >&2 "test_must_fail: died by signal: $*" | |
454 | return 1 | |
455 | elif test $exit_code = 127; then | |
456 | echo >&2 "test_must_fail: command not found: $*" | |
457 | return 1 | |
458 | fi | |
459 | return 0 | |
460 | } | |
461 | ||
462 | # Similar to test_must_fail, but tolerates success, too. This is | |
463 | # meant to be used in contexts like: | |
464 | # | |
465 | # test_expect_success 'some command works without configuration' ' | |
466 | # test_might_fail git config --unset all.configuration && | |
467 | # do something | |
468 | # ' | |
469 | # | |
470 | # Writing "git config --unset all.configuration || :" would be wrong, | |
471 | # because we want to notice if it fails due to segv. | |
472 | ||
473 | test_might_fail () { | |
474 | "$@" | |
475 | exit_code=$? | |
476 | if test $exit_code -gt 129 -a $exit_code -le 192; then | |
477 | echo >&2 "test_might_fail: died by signal: $*" | |
478 | return 1 | |
479 | elif test $exit_code = 127; then | |
480 | echo >&2 "test_might_fail: command not found: $*" | |
481 | return 1 | |
482 | fi | |
483 | return 0 | |
484 | } | |
485 | ||
486 | # Similar to test_must_fail and test_might_fail, but check that a | |
487 | # given command exited with a given exit code. Meant to be used as: | |
488 | # | |
489 | # test_expect_success 'Merge with d/f conflicts' ' | |
490 | # test_expect_code 1 git merge "merge msg" B master | |
491 | # ' | |
492 | ||
493 | test_expect_code () { | |
494 | want_code=$1 | |
495 | shift | |
496 | "$@" | |
497 | exit_code=$? | |
498 | if test $exit_code = $want_code | |
499 | then | |
500 | return 0 | |
501 | fi | |
502 | ||
503 | echo >&2 "test_expect_code: command exited with $exit_code, we wanted $want_code $*" | |
504 | return 1 | |
505 | } | |
506 | ||
507 | # test_cmp is a helper function to compare actual and expected output. | |
508 | # You can use it like: | |
509 | # | |
510 | # test_expect_success 'foo works' ' | |
511 | # echo expected >expected && | |
512 | # foo >actual && | |
513 | # test_cmp expected actual | |
514 | # ' | |
515 | # | |
516 | # This could be written as either "cmp" or "diff -u", but: | |
517 | # - cmp's output is not nearly as easy to read as diff -u | |
518 | # - not all diff versions understand "-u" | |
519 | ||
520 | test_cmp() { | |
521 | $GIT_TEST_CMP "$@" | |
522 | } | |
523 | ||
524 | # This function can be used to schedule some commands to be run | |
525 | # unconditionally at the end of the test to restore sanity: | |
526 | # | |
527 | # test_expect_success 'test core.capslock' ' | |
528 | # git config core.capslock true && | |
529 | # test_when_finished "git config --unset core.capslock" && | |
530 | # hello world | |
531 | # ' | |
532 | # | |
533 | # That would be roughly equivalent to | |
534 | # | |
535 | # test_expect_success 'test core.capslock' ' | |
536 | # git config core.capslock true && | |
537 | # hello world | |
538 | # git config --unset core.capslock | |
539 | # ' | |
540 | # | |
541 | # except that the greeting and config --unset must both succeed for | |
542 | # the test to pass. | |
543 | # | |
544 | # Note that under --immediate mode, no clean-up is done to help diagnose | |
545 | # what went wrong. | |
546 | ||
547 | test_when_finished () { | |
548 | test_cleanup="{ $* | |
549 | } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup" | |
550 | } | |
551 | ||
552 | # Most tests can use the created repository, but some may need to create more. | |
553 | # Usage: test_create_repo <directory> | |
554 | test_create_repo () { | |
555 | test "$#" = 1 || | |
556 | error "bug in the test script: not 1 parameter to test-create-repo" | |
557 | repo="$1" | |
558 | mkdir -p "$repo" | |
559 | ( | |
560 | cd "$repo" || error "Cannot setup test environment" | |
561 | "$GIT_EXEC_PATH/git-init" "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 || | |
562 | error "cannot run git init -- have you built things yet?" | |
563 | mv .git/hooks .git/hooks-disabled | |
564 | ) || exit | |
565 | } |