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1 | # -*- Mode: cperl; cperl-indent-level: 4 -*- |
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2 | # $Id: Harness.pm,v 1.14.2.13 2002/01/07 22:34:32 schwern Exp $ |
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3 | |
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4 | package Test::Harness; |
5 | |
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6 | require 5.004; |
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7 | use Test::Harness::Straps; |
8 | use Test::Harness::Assert; |
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9 | use Exporter; |
10 | use Benchmark; |
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11 | use Config; |
760ac839 |
12 | use strict; |
13 | |
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14 | use vars qw($VERSION $Verbose $Switches $Have_Devel_Corestack $Curtest |
15 | $Columns $verbose $switches |
16 | @ISA @EXPORT @EXPORT_OK |
17 | ); |
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18 | |
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19 | # Backwards compatibility for exportable variable names. |
20 | *verbose = \$Verbose; |
21 | *switches = \$Switches; |
22 | |
23 | $Have_Devel_Corestack = 0; |
24 | |
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25 | $VERSION = '2.01'; |
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26 | |
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27 | $ENV{HARNESS_ACTIVE} = 1; |
28 | |
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29 | END { |
30 | # For VMS. |
31 | delete $ENV{HARNESS_ACTIVE}; |
32 | } |
33 | |
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34 | # Some experimental versions of OS/2 build have broken $? |
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35 | my $Ignore_Exitcode = $ENV{HARNESS_IGNORE_EXITCODE}; |
36 | |
37 | my $Files_In_Dir = $ENV{HARNESS_FILELEAK_IN_DIR}; |
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38 | |
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39 | my $Strap = Test::Harness::Straps->new; |
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40 | |
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41 | @ISA = ('Exporter'); |
42 | @EXPORT = qw(&runtests); |
43 | @EXPORT_OK = qw($verbose $switches); |
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44 | |
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45 | $Verbose = 0; |
46 | $Switches = "-w"; |
47 | $Columns = $ENV{HARNESS_COLUMNS} || $ENV{COLUMNS} || 80; |
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48 | $Columns--; # Some shells have trouble with a full line of text. |
49 | |
50 | |
51 | =head1 NAME |
52 | |
53 | Test::Harness - run perl standard test scripts with statistics |
54 | |
55 | =head1 SYNOPSIS |
56 | |
57 | use Test::Harness; |
58 | |
59 | runtests(@test_files); |
60 | |
61 | =head1 DESCRIPTION |
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62 | |
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63 | B<STOP!> If all you want to do is write a test script, consider using |
64 | Test::Simple. Otherwise, read on. |
65 | |
66 | (By using the Test module, you can write test scripts without |
67 | knowing the exact output this module expects. However, if you need to |
68 | know the specifics, read on!) |
69 | |
70 | Perl test scripts print to standard output C<"ok N"> for each single |
71 | test, where C<N> is an increasing sequence of integers. The first line |
72 | output by a standard test script is C<"1..M"> with C<M> being the |
73 | number of tests that should be run within the test |
74 | script. Test::Harness::runtests(@tests) runs all the testscripts |
75 | named as arguments and checks standard output for the expected |
76 | C<"ok N"> strings. |
77 | |
78 | After all tests have been performed, runtests() prints some |
79 | performance statistics that are computed by the Benchmark module. |
80 | |
81 | =head2 The test script output |
82 | |
83 | The following explains how Test::Harness interprets the output of your |
84 | test program. |
85 | |
86 | =over 4 |
87 | |
88 | =item B<'1..M'> |
89 | |
90 | This header tells how many tests there will be. It should be the |
91 | first line output by your test program (but its okay if its preceded |
92 | by comments). |
93 | |
94 | In certain instanced, you may not know how many tests you will |
95 | ultimately be running. In this case, it is permitted (but not |
96 | encouraged) for the 1..M header to appear as the B<last> line output |
97 | by your test (again, it can be followed by further comments). But we |
98 | strongly encourage you to put it first. |
99 | |
100 | Under B<no> circumstances should 1..M appear in the middle of your |
101 | output or more than once. |
102 | |
103 | |
104 | =item B<'ok', 'not ok'. Ok?> |
105 | |
106 | Any output from the testscript to standard error is ignored and |
107 | bypassed, thus will be seen by the user. Lines written to standard |
108 | output containing C</^(not\s+)?ok\b/> are interpreted as feedback for |
109 | runtests(). All other lines are discarded. |
110 | |
111 | C</^not ok/> indicates a failed test. C</^ok/> is a successful test. |
112 | |
113 | |
114 | =item B<test numbers> |
115 | |
116 | Perl normally expects the 'ok' or 'not ok' to be followed by a test |
117 | number. It is tolerated if the test numbers after 'ok' are |
118 | omitted. In this case Test::Harness maintains temporarily its own |
119 | counter until the script supplies test numbers again. So the following |
120 | test script |
121 | |
122 | print <<END; |
123 | 1..6 |
124 | not ok |
125 | ok |
126 | not ok |
127 | ok |
128 | ok |
129 | END |
130 | |
131 | will generate |
132 | |
133 | FAILED tests 1, 3, 6 |
134 | Failed 3/6 tests, 50.00% okay |
135 | |
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136 | =item B<test names> |
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137 | |
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138 | Anything after the test number but before the # is considered to be |
139 | the name of the test. |
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140 | |
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141 | ok 42 this is the name of the test |
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142 | |
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143 | Currently, Test::Harness does nothing with this information. |
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144 | |
145 | =item B<Skipping tests> |
146 | |
147 | If the standard output line contains the substring C< # Skip> (with |
148 | variations in spacing and case) after C<ok> or C<ok NUMBER>, it is |
149 | counted as a skipped test. If the whole testscript succeeds, the |
150 | count of skipped tests is included in the generated output. |
151 | C<Test::Harness> reports the text after C< # Skip\S*\s+> as a reason |
152 | for skipping. |
153 | |
154 | ok 23 # skip Insufficient flogiston pressure. |
155 | |
156 | Similarly, one can include a similar explanation in a C<1..0> line |
157 | emitted if the test script is skipped completely: |
158 | |
159 | 1..0 # Skipped: no leverage found |
160 | |
161 | =item B<Todo tests> |
162 | |
163 | If the standard output line contains the substring C< # TODO> after |
164 | C<not ok> or C<not ok NUMBER>, it is counted as a todo test. The text |
165 | afterwards is the thing that has to be done before this test will |
166 | succeed. |
167 | |
168 | not ok 13 # TODO harness the power of the atom |
169 | |
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170 | =begin _deprecated |
171 | |
172 | Alternatively, you can specify a list of what tests are todo as part |
173 | of the test header. |
174 | |
175 | 1..23 todo 5 12 23 |
176 | |
177 | This only works if the header appears at the beginning of the test. |
178 | |
179 | This style is B<deprecated>. |
180 | |
181 | =end _deprecated |
182 | |
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183 | These tests represent a feature to be implemented or a bug to be fixed |
184 | and act as something of an executable "thing to do" list. They are |
185 | B<not> expected to succeed. Should a todo test begin succeeding, |
186 | Test::Harness will report it as a bonus. This indicates that whatever |
187 | you were supposed to do has been done and you should promote this to a |
188 | normal test. |
189 | |
190 | =item B<Bail out!> |
191 | |
192 | As an emergency measure, a test script can decide that further tests |
193 | are useless (e.g. missing dependencies) and testing should stop |
194 | immediately. In that case the test script prints the magic words |
195 | |
196 | Bail out! |
197 | |
198 | to standard output. Any message after these words will be displayed by |
199 | C<Test::Harness> as the reason why testing is stopped. |
200 | |
201 | =item B<Comments> |
202 | |
203 | Additional comments may be put into the testing output on their own |
204 | lines. Comment lines should begin with a '#', Test::Harness will |
205 | ignore them. |
206 | |
207 | ok 1 |
208 | # Life is good, the sun is shining, RAM is cheap. |
209 | not ok 2 |
210 | # got 'Bush' expected 'Gore' |
211 | |
212 | =item B<Anything else> |
213 | |
214 | Any other output Test::Harness sees it will silently ignore B<BUT WE |
215 | PLAN TO CHANGE THIS!> If you wish to place additional output in your |
216 | test script, please use a comment. |
217 | |
218 | =back |
219 | |
220 | |
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221 | =head2 Taint mode |
222 | |
223 | Test::Harness will honor the C<-T> in the #! line on your test files. So |
224 | if you begin a test with: |
225 | |
226 | #!perl -T |
227 | |
228 | the test will be run with taint mode on. |
229 | |
230 | |
231 | =head2 Configuration variables. |
232 | |
233 | These variables can be used to configure the behavior of |
234 | Test::Harness. They are exported on request. |
235 | |
236 | =over 4 |
237 | |
238 | =item B<$Test::Harness::verbose> |
239 | |
240 | The global variable $Test::Harness::verbose is exportable and can be |
241 | used to let runtests() display the standard output of the script |
242 | without altering the behavior otherwise. |
243 | |
244 | =item B<$Test::Harness::switches> |
245 | |
246 | The global variable $Test::Harness::switches is exportable and can be |
247 | used to set perl command line options used for running the test |
248 | script(s). The default value is C<-w>. |
249 | |
250 | =back |
251 | |
252 | |
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253 | =head2 Failure |
254 | |
255 | It will happen, your tests will fail. After you mop up your ego, you |
256 | can begin examining the summary report: |
257 | |
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258 | t/base..............ok |
259 | t/nonumbers.........ok |
260 | t/ok................ok |
261 | t/test-harness......ok |
262 | t/waterloo..........dubious |
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263 | Test returned status 3 (wstat 768, 0x300) |
264 | DIED. FAILED tests 1, 3, 5, 7, 9, 11, 13, 15, 17, 19 |
265 | Failed 10/20 tests, 50.00% okay |
266 | Failed Test Stat Wstat Total Fail Failed List of Failed |
267 | ----------------------------------------------------------------------- |
268 | t/waterloo.t 3 768 20 10 50.00% 1 3 5 7 9 11 13 15 17 19 |
269 | Failed 1/5 test scripts, 80.00% okay. 10/44 subtests failed, 77.27% okay. |
270 | |
271 | Everything passed but t/waterloo.t. It failed 10 of 20 tests and |
272 | exited with non-zero status indicating something dubious happened. |
273 | |
274 | The columns in the summary report mean: |
275 | |
276 | =over 4 |
277 | |
278 | =item B<Failed Test> |
279 | |
280 | The test file which failed. |
281 | |
282 | =item B<Stat> |
283 | |
284 | If the test exited with non-zero, this is its exit status. |
285 | |
286 | =item B<Wstat> |
287 | |
288 | The wait status of the test I<umm, I need a better explanation here>. |
289 | |
290 | =item B<Total> |
291 | |
292 | Total number of tests expected to run. |
293 | |
294 | =item B<Fail> |
295 | |
296 | Number which failed, either from "not ok" or because they never ran. |
297 | |
298 | =item B<Failed> |
299 | |
300 | Percentage of the total tests which failed. |
301 | |
302 | =item B<List of Failed> |
303 | |
304 | A list of the tests which failed. Successive failures may be |
305 | abbreviated (ie. 15-20 to indicate that tests 15, 16, 17, 18, 19 and |
306 | 20 failed). |
307 | |
308 | =back |
309 | |
310 | |
311 | =head2 Functions |
312 | |
313 | Test::Harness currently only has one function, here it is. |
314 | |
315 | =over 4 |
316 | |
317 | =item B<runtests> |
318 | |
319 | my $allok = runtests(@test_files); |
320 | |
321 | This runs all the given @test_files and divines whether they passed |
322 | or failed based on their output to STDOUT (details above). It prints |
323 | out each individual test which failed along with a summary report and |
324 | a how long it all took. |
325 | |
326 | It returns true if everything was ok, false otherwise. |
327 | |
328 | =for _private |
329 | This is just _run_all_tests() plus _show_results() |
330 | |
331 | =cut |
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332 | |
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333 | sub runtests { |
334 | my(@tests) = @_; |
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335 | |
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336 | local ($\, $,); |
337 | |
338 | my($tot, $failedtests) = _run_all_tests(@tests); |
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339 | _show_results($tot, $failedtests); |
340 | |
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341 | my $ok = _all_ok($tot); |
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342 | |
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343 | assert(($ok xor keys %$failedtests), |
344 | q{ok status jives with $failedtests}); |
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345 | |
346 | return $ok; |
347 | } |
348 | |
349 | =begin _private |
350 | |
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351 | =item B<_all_ok> |
352 | |
353 | my $ok = _all_ok(\%tot); |
354 | |
355 | Tells you if this test run is overall successful or not. |
356 | |
357 | =cut |
358 | |
359 | sub _all_ok { |
360 | my($tot) = shift; |
361 | |
362 | return $tot->{bad} == 0 && ($tot->{max} || $tot->{skipped}) ? 1 : 0; |
363 | } |
364 | |
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365 | =item B<_globdir> |
366 | |
367 | my @files = _globdir $dir; |
368 | |
369 | Returns all the files in a directory. This is shorthand for backwards |
370 | compatibility on systems where glob() doesn't work right. |
371 | |
372 | =cut |
373 | |
374 | sub _globdir { |
375 | opendir DIRH, shift; |
376 | my @f = readdir DIRH; |
377 | closedir DIRH; |
378 | |
379 | return @f; |
9c5c68c8 |
380 | } |
381 | |
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382 | =item B<_run_all_tests> |
383 | |
384 | my($total, $failed) = _run_all_tests(@test_files); |
385 | |
386 | Runs all the given @test_files (as runtests()) but does it quietly (no |
387 | report). $total is a hash ref summary of all the tests run. Its keys |
388 | and values are this: |
389 | |
390 | bonus Number of individual todo tests unexpectedly passed |
391 | max Number of individual tests ran |
392 | ok Number of individual tests passed |
393 | sub_skipped Number of individual tests skipped |
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394 | todo Number of individual todo tests |
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395 | |
396 | files Number of test files ran |
397 | good Number of test files passed |
398 | bad Number of test files failed |
399 | tests Number of test files originally given |
400 | skipped Number of test files skipped |
401 | |
402 | If $total->{bad} == 0 and $total->{max} > 0, you've got a successful |
403 | test. |
404 | |
405 | $failed is a hash ref of all the test scripts which failed. Each key |
406 | is the name of a test script, each value is another hash representing |
407 | how that script failed. Its keys are these: |
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408 | |
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409 | name Name of the test which failed |
410 | estat Script's exit value |
411 | wstat Script's wait status |
412 | max Number of individual tests |
413 | failed Number which failed |
414 | percent Percentage of tests which failed |
415 | canon List of tests which failed (as string). |
416 | |
417 | Needless to say, $failed should be empty if everything passed. |
418 | |
419 | B<NOTE> Currently this function is still noisy. I'm working on it. |
420 | |
421 | =cut |
422 | |
423 | sub _run_all_tests { |
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424 | my(@tests) = @_; |
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425 | local($|) = 1; |
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426 | my(%failedtests); |
427 | |
428 | # Test-wide totals. |
429 | my(%tot) = ( |
430 | bonus => 0, |
431 | max => 0, |
432 | ok => 0, |
433 | files => 0, |
434 | bad => 0, |
435 | good => 0, |
436 | tests => scalar @tests, |
437 | sub_skipped => 0, |
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438 | todo => 0, |
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439 | skipped => 0, |
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440 | bench => 0, |
9c5c68c8 |
441 | ); |
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442 | |
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443 | local($ENV{'PERL5LIB'}) = $Strap->_INC2PERL5LIB; |
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444 | |
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445 | my @dir_files = _globdir $Files_In_Dir if defined $Files_In_Dir; |
a0d0e21e |
446 | my $t_start = new Benchmark; |
9c5c68c8 |
447 | |
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448 | my $width = _leader_width(@tests); |
b82fa0b7 |
449 | foreach my $tfile (@tests) { |
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450 | $Strap->_reset_file_state; |
451 | |
7a315204 |
452 | my($leader, $ml) = _mk_leader($tfile, $width); |
b82fa0b7 |
453 | print $leader; |
9c5c68c8 |
454 | |
b82fa0b7 |
455 | my $fh = _open_test($tfile); |
9c5c68c8 |
456 | |
457 | # state of the current test. |
458 | my %test = ( |
459 | ok => 0, |
b82fa0b7 |
460 | 'next' => 0, |
9c5c68c8 |
461 | max => 0, |
462 | failed => [], |
463 | todo => {}, |
464 | bonus => 0, |
465 | skipped => 0, |
466 | skip_reason => undef, |
467 | ml => $ml, |
468 | ); |
469 | |
470 | my($seen_header, $tests_seen) = (0,0); |
2fe373ce |
471 | while (<$fh>) { |
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472 | print if $Verbose; |
473 | |
474 | $Strap->{line}++; |
9c5c68c8 |
475 | if( _parse_header($_, \%test, \%tot) ) { |
476 | warn "Test header seen twice!\n" if $seen_header; |
477 | |
478 | $seen_header = 1; |
479 | |
480 | warn "1..M can only appear at the beginning or end of tests\n" |
481 | if $tests_seen && $test{max} < $tests_seen; |
482 | } |
483 | elsif( _parse_test_line($_, \%test, \%tot) ) { |
484 | $tests_seen++; |
d667a7e6 |
485 | } |
9c5c68c8 |
486 | # else, ignore it. |
2fe373ce |
487 | } |
9c5c68c8 |
488 | |
489 | my($estatus, $wstatus) = _close_fh($fh); |
490 | |
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491 | my $allok = $test{ok} == $test{max} && $test{'next'} == $test{max}+1; |
492 | |
2fe373ce |
493 | if ($wstatus) { |
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494 | $failedtests{$tfile} = _dubious_return(\%test, \%tot, |
9c5c68c8 |
495 | $estatus, $wstatus); |
b82fa0b7 |
496 | $failedtests{$tfile}{name} = $tfile; |
2fe373ce |
497 | } |
b82fa0b7 |
498 | elsif ($allok) { |
2fe373ce |
499 | if ($test{max} and $test{skipped} + $test{bonus}) { |
500 | my @msg; |
501 | push(@msg, "$test{skipped}/$test{max} skipped: $test{skip_reason}") |
502 | if $test{skipped}; |
503 | push(@msg, "$test{bonus}/$test{max} unexpectedly succeeded") |
504 | if $test{bonus}; |
505 | print "$test{ml}ok, ".join(', ', @msg)."\n"; |
506 | } elsif ($test{max}) { |
507 | print "$test{ml}ok\n"; |
508 | } elsif (defined $test{skip_reason}) { |
509 | print "skipped: $test{skip_reason}\n"; |
510 | $tot{skipped}++; |
511 | } else { |
512 | print "skipped test on this platform\n"; |
513 | $tot{skipped}++; |
514 | } |
515 | $tot{good}++; |
516 | } |
b82fa0b7 |
517 | else { |
518 | if ($test{max}) { |
519 | if ($test{'next'} <= $test{max}) { |
520 | push @{$test{failed}}, $test{'next'}..$test{max}; |
521 | } |
522 | if (@{$test{failed}}) { |
523 | my ($txt, $canon) = canonfailed($test{max},$test{skipped}, |
524 | @{$test{failed}}); |
525 | print "$test{ml}$txt"; |
526 | $failedtests{$tfile} = { canon => $canon, |
527 | max => $test{max}, |
528 | failed => scalar @{$test{failed}}, |
529 | name => $tfile, |
530 | percent => 100*(scalar @{$test{failed}})/$test{max}, |
531 | estat => '', |
532 | wstat => '', |
533 | }; |
534 | } else { |
535 | print "Don't know which tests failed: got $test{ok} ok, ". |
536 | "expected $test{max}\n"; |
537 | $failedtests{$tfile} = { canon => '??', |
538 | max => $test{max}, |
539 | failed => '??', |
540 | name => $tfile, |
541 | percent => undef, |
542 | estat => '', |
543 | wstat => '', |
544 | }; |
545 | } |
546 | $tot{bad}++; |
547 | } elsif ($test{'next'} == 0) { |
548 | print "FAILED before any test output arrived\n"; |
549 | $tot{bad}++; |
550 | $failedtests{$tfile} = { canon => '??', |
551 | max => '??', |
552 | failed => '??', |
553 | name => $tfile, |
554 | percent => undef, |
555 | estat => '', |
556 | wstat => '', |
557 | }; |
558 | } |
559 | } |
560 | |
2fe373ce |
561 | $tot{sub_skipped} += $test{skipped}; |
562 | |
563 | if (defined $Files_In_Dir) { |
564 | my @new_dir_files = _globdir $Files_In_Dir; |
565 | if (@new_dir_files != @dir_files) { |
566 | my %f; |
567 | @f{@new_dir_files} = (1) x @new_dir_files; |
568 | delete @f{@dir_files}; |
569 | my @f = sort keys %f; |
570 | print "LEAKED FILES: @f\n"; |
571 | @dir_files = @new_dir_files; |
572 | } |
573 | } |
13287dd5 |
574 | |
575 | close $fh; |
a0d0e21e |
576 | } |
9c5c68c8 |
577 | $tot{bench} = timediff(new Benchmark, $t_start); |
d667a7e6 |
578 | |
13287dd5 |
579 | $Strap->_restore_PERL5LIB; |
9c5c68c8 |
580 | |
581 | return(\%tot, \%failedtests); |
582 | } |
583 | |
b82fa0b7 |
584 | =item B<_mk_leader> |
585 | |
7a315204 |
586 | my($leader, $ml) = _mk_leader($test_file, $width); |
b82fa0b7 |
587 | |
588 | Generates the 't/foo........' $leader for the given $test_file as well |
589 | as a similar version which will overwrite the current line (by use of |
590 | \r and such). $ml may be empty if Test::Harness doesn't think you're |
2fe373ce |
591 | on TTY. |
592 | |
593 | The $width is the width of the "yada/blah.." string. |
b82fa0b7 |
594 | |
595 | =cut |
596 | |
597 | sub _mk_leader { |
2fe373ce |
598 | my($te, $width) = @_; |
599 | chomp($te); |
b695f709 |
600 | $te =~ s/\.\w+$/./; |
b82fa0b7 |
601 | |
602 | if ($^O eq 'VMS') { $te =~ s/^.*\.t\./\[.t./s; } |
603 | my $blank = (' ' x 77); |
7a315204 |
604 | my $leader = "$te" . '.' x ($width - length($te)); |
b82fa0b7 |
605 | my $ml = ""; |
606 | |
607 | $ml = "\r$blank\r$leader" |
608 | if -t STDOUT and not $ENV{HARNESS_NOTTY} and not $Verbose; |
609 | |
610 | return($leader, $ml); |
611 | } |
612 | |
13287dd5 |
613 | =item B<_leader_width> |
614 | |
615 | my($width) = _leader_width(@test_files); |
616 | |
617 | Calculates how wide the leader should be based on the length of the |
618 | longest test name. |
619 | |
620 | =cut |
621 | |
622 | sub _leader_width { |
623 | my $maxlen = 0; |
624 | my $maxsuflen = 0; |
625 | foreach (@_) { |
626 | my $suf = /\.(\w+)$/ ? $1 : ''; |
627 | my $len = length; |
628 | my $suflen = length $suf; |
629 | $maxlen = $len if $len > $maxlen; |
630 | $maxsuflen = $suflen if $suflen > $maxsuflen; |
631 | } |
632 | # + 3 : we want three dots between the test name and the "ok" |
633 | return $maxlen + 3 - $maxsuflen; |
634 | } |
635 | |
9c5c68c8 |
636 | |
637 | sub _show_results { |
638 | my($tot, $failedtests) = @_; |
639 | |
640 | my $pct; |
641 | my $bonusmsg = _bonusmsg($tot); |
642 | |
2fe373ce |
643 | if (_all_ok($tot)) { |
644 | print "All tests successful$bonusmsg.\n"; |
645 | } elsif (!$tot->{tests}){ |
646 | die "FAILED--no tests were run for some reason.\n"; |
647 | } elsif (!$tot->{max}) { |
648 | my $blurb = $tot->{tests}==1 ? "script" : "scripts"; |
649 | die "FAILED--$tot->{tests} test $blurb could be run, ". |
9c5c68c8 |
650 | "alas--no output ever seen\n"; |
c07a80fd |
651 | } else { |
2fe373ce |
652 | $pct = sprintf("%.2f", $tot->{good} / $tot->{tests} * 100); |
653 | my $percent_ok = 100*$tot->{ok}/$tot->{max}; |
654 | my $subpct = sprintf " %d/%d subtests failed, %.2f%% okay.", |
655 | $tot->{max} - $tot->{ok}, $tot->{max}, |
656 | $percent_ok; |
0a931e4a |
657 | |
9c5c68c8 |
658 | my($fmt_top, $fmt) = _create_fmts($failedtests); |
0a931e4a |
659 | |
2fe373ce |
660 | # Now write to formats |
661 | for my $script (sort keys %$failedtests) { |
662 | $Curtest = $failedtests->{$script}; |
663 | write; |
664 | } |
665 | if ($tot->{bad}) { |
666 | $bonusmsg =~ s/^,\s*//; |
667 | print "$bonusmsg.\n" if $bonusmsg; |
668 | die "Failed $tot->{bad}/$tot->{tests} test scripts, $pct% okay.". |
9c5c68c8 |
669 | "$subpct\n"; |
2fe373ce |
670 | } |
c07a80fd |
671 | } |
f0a9308e |
672 | |
9c5c68c8 |
673 | printf("Files=%d, Tests=%d, %s\n", |
674 | $tot->{files}, $tot->{max}, timestr($tot->{bench}, 'nop')); |
675 | } |
676 | |
677 | |
678 | sub _parse_header { |
679 | my($line, $test, $tot) = @_; |
680 | |
681 | my $is_header = 0; |
682 | |
13287dd5 |
683 | if( $Strap->_is_header($line) ) { |
684 | $is_header = 1; |
9c5c68c8 |
685 | |
13287dd5 |
686 | $test->{max} = $Strap->{max}; |
687 | for ( keys %{$Strap->{todo}} ) { $test->{todo}{$_} = 1; } |
9c5c68c8 |
688 | |
13287dd5 |
689 | $test->{skip_reason} = $Strap->{skip_all} |
690 | if not $test->{max} and defined $Strap->{skip_all}; |
9c5c68c8 |
691 | |
b82fa0b7 |
692 | $test->{'next'} = 1 unless $test->{'next'}; |
9c5c68c8 |
693 | |
13287dd5 |
694 | |
695 | $tot->{max} += $test->{max}; |
696 | $tot->{files}++; |
9c5c68c8 |
697 | } |
698 | else { |
699 | $is_header = 0; |
700 | } |
701 | |
702 | return $is_header; |
c07a80fd |
703 | } |
704 | |
9c5c68c8 |
705 | |
b82fa0b7 |
706 | sub _open_test { |
707 | my($test) = shift; |
708 | |
709 | my $s = _set_switches($test); |
710 | |
711 | # XXX This is WAY too core specific! |
712 | my $cmd = ($ENV{'HARNESS_COMPILE_TEST'}) |
713 | ? "./perl -I../lib ../utils/perlcc $test " |
2fe373ce |
714 | . "-r 2>> ./compilelog |" |
715 | : "$^X $s $test|"; |
b82fa0b7 |
716 | $cmd = "MCR $cmd" if $^O eq 'VMS'; |
717 | |
718 | if( open(PERL, $cmd) ) { |
719 | return \*PERL; |
720 | } |
721 | else { |
722 | print "can't run $test. $!\n"; |
723 | return; |
724 | } |
725 | } |
726 | |
b82fa0b7 |
727 | |
9c5c68c8 |
728 | sub _parse_test_line { |
729 | my($line, $test, $tot) = @_; |
730 | |
13287dd5 |
731 | my %result; |
732 | if ( $Strap->_is_test($line, \%result) ) { |
2fe373ce |
733 | $test->{'next'} ||= 1; |
734 | my $this = $test->{'next'}; |
2fe373ce |
735 | |
13287dd5 |
736 | my($not, $tnum) = (!$result{ok}, $result{number}); |
2fe373ce |
737 | |
13287dd5 |
738 | $this = $tnum if $tnum; |
2fe373ce |
739 | |
13287dd5 |
740 | my($type, $reason) = ($result{type}, $result{reason}); |
2fe373ce |
741 | |
13287dd5 |
742 | my($istodo, $isskip); |
743 | if( defined $type ) { |
744 | $istodo = 1 if $type eq 'todo'; |
745 | $isskip = 1 if $type eq 'skip'; |
746 | } |
2fe373ce |
747 | |
13287dd5 |
748 | $test->{todo}{$this} = 1 if $istodo; |
2fe373ce |
749 | |
13287dd5 |
750 | $tot->{todo}++ if $test->{todo}{$this}; |
751 | |
752 | if( $not ) { |
753 | print "$test->{ml}NOK $this" if $test->{ml}; |
754 | if (!$test->{todo}{$this}) { |
755 | push @{$test->{failed}}, $this; |
756 | } else { |
2fe373ce |
757 | $test->{ok}++; |
758 | $tot->{ok}++; |
2fe373ce |
759 | } |
9c5c68c8 |
760 | } |
13287dd5 |
761 | else { |
9c5c68c8 |
762 | print "$test->{ml}ok $this/$test->{max}" if $test->{ml}; |
763 | $test->{ok}++; |
764 | $tot->{ok}++; |
13287dd5 |
765 | $test->{skipped}++ if $isskip; |
766 | |
767 | $reason = '[no reason given]' |
768 | if $isskip and not defined $reason; |
769 | if (defined $reason and defined $test->{skip_reason}) { |
770 | # print "was: '$skip_reason' new '$reason'\n"; |
771 | $test->{skip_reason} = 'various reasons' |
772 | if $test->{skip_reason} ne $reason; |
773 | } elsif (defined $reason) { |
774 | $test->{skip_reason} = $reason; |
775 | } |
776 | |
777 | $test->{bonus}++, $tot->{bonus}++ if $test->{todo}{$this}; |
9c5c68c8 |
778 | } |
779 | |
b82fa0b7 |
780 | if ($this > $test->{'next'}) { |
2fe373ce |
781 | print "Test output counter mismatch [test $this]\n"; |
b82fa0b7 |
782 | push @{$test->{failed}}, $test->{'next'}..$this-1; |
9c5c68c8 |
783 | } |
b82fa0b7 |
784 | elsif ($this < $test->{'next'}) { |
9c5c68c8 |
785 | #we have seen more "ok" lines than the number suggests |
786 | print "Confused test output: test $this answered after ". |
b82fa0b7 |
787 | "test ", $test->{'next'}-1, "\n"; |
788 | $test->{'next'} = $this; |
9c5c68c8 |
789 | } |
b82fa0b7 |
790 | $test->{'next'} = $this + 1; |
9c5c68c8 |
791 | |
792 | } |
13287dd5 |
793 | else { |
794 | my $bail_reason; |
795 | if( $Strap->_is_bail_out($line, \$bail_reason) ) { # bail out! |
796 | die "FAILED--Further testing stopped" . |
797 | ($bail_reason ? ": $bail_reason\n" : ".\n"); |
798 | } |
9c5c68c8 |
799 | } |
800 | } |
801 | |
802 | |
803 | sub _bonusmsg { |
804 | my($tot) = @_; |
805 | |
806 | my $bonusmsg = ''; |
807 | $bonusmsg = (" ($tot->{bonus} subtest".($tot->{bonus} > 1 ? 's' : ''). |
2fe373ce |
808 | " UNEXPECTEDLY SUCCEEDED)") |
809 | if $tot->{bonus}; |
9c5c68c8 |
810 | |
811 | if ($tot->{skipped}) { |
2fe373ce |
812 | $bonusmsg .= ", $tot->{skipped} test" |
9c5c68c8 |
813 | . ($tot->{skipped} != 1 ? 's' : ''); |
2fe373ce |
814 | if ($tot->{sub_skipped}) { |
815 | $bonusmsg .= " and $tot->{sub_skipped} subtest" |
816 | . ($tot->{sub_skipped} != 1 ? 's' : ''); |
817 | } |
818 | $bonusmsg .= ' skipped'; |
9c5c68c8 |
819 | } |
820 | elsif ($tot->{sub_skipped}) { |
2fe373ce |
821 | $bonusmsg .= ", $tot->{sub_skipped} subtest" |
822 | . ($tot->{sub_skipped} != 1 ? 's' : '') |
823 | . " skipped"; |
9c5c68c8 |
824 | } |
825 | |
826 | return $bonusmsg; |
827 | } |
828 | |
829 | # VMS has some subtle nastiness with closing the test files. |
830 | sub _close_fh { |
831 | my($fh) = shift; |
832 | |
833 | close($fh); # must close to reap child resource values |
834 | |
2fe373ce |
835 | my $wstatus = $Ignore_Exitcode ? 0 : $?; # Can trust $? ? |
9c5c68c8 |
836 | my $estatus; |
837 | $estatus = ($^O eq 'VMS' |
838 | ? eval 'use vmsish "status"; $estatus = $?' |
839 | : $wstatus >> 8); |
840 | |
841 | return($estatus, $wstatus); |
842 | } |
843 | |
844 | |
845 | # Set up the command-line switches to run perl as. |
846 | sub _set_switches { |
847 | my($test) = shift; |
848 | |
9c5c68c8 |
849 | my $s = $Switches; |
13287dd5 |
850 | $s .= $Strap->_switches($test); |
9c5c68c8 |
851 | |
852 | return $s; |
853 | } |
854 | |
855 | |
856 | # Test program go boom. |
857 | sub _dubious_return { |
858 | my($test, $tot, $estatus, $wstatus) = @_; |
859 | my ($failed, $canon, $percent) = ('??', '??'); |
860 | |
861 | printf "$test->{ml}dubious\n\tTest returned status $estatus ". |
862 | "(wstat %d, 0x%x)\n", |
863 | $wstatus,$wstatus; |
864 | print "\t\t(VMS status is $estatus)\n" if $^O eq 'VMS'; |
865 | |
866 | if (corestatus($wstatus)) { # until we have a wait module |
867 | if ($Have_Devel_Corestack) { |
868 | Devel::CoreStack::stack($^X); |
869 | } else { |
870 | print "\ttest program seems to have generated a core\n"; |
871 | } |
872 | } |
873 | |
874 | $tot->{bad}++; |
875 | |
876 | if ($test->{max}) { |
b82fa0b7 |
877 | if ($test->{'next'} == $test->{max} + 1 and not @{$test->{failed}}) { |
9c5c68c8 |
878 | print "\tafter all the subtests completed successfully\n"; |
879 | $percent = 0; |
2fe373ce |
880 | $failed = 0; # But we do not set $canon! |
9c5c68c8 |
881 | } |
882 | else { |
b82fa0b7 |
883 | push @{$test->{failed}}, $test->{'next'}..$test->{max}; |
9c5c68c8 |
884 | $failed = @{$test->{failed}}; |
885 | (my $txt, $canon) = canonfailed($test->{max},$test->{skipped},@{$test->{failed}}); |
886 | $percent = 100*(scalar @{$test->{failed}})/$test->{max}; |
887 | print "DIED. ",$txt; |
888 | } |
889 | } |
890 | |
891 | return { canon => $canon, max => $test->{max} || '??', |
892 | failed => $failed, |
66fd8cb9 |
893 | percent => $percent, |
9c5c68c8 |
894 | estat => $estatus, wstat => $wstatus, |
895 | }; |
896 | } |
897 | |
898 | |
899 | sub _garbled_output { |
900 | my($gibberish) = shift; |
901 | warn "Confusing test output: '$gibberish'\n"; |
902 | } |
903 | |
904 | |
905 | sub _create_fmts { |
906 | my($failedtests) = @_; |
907 | |
b82fa0b7 |
908 | my $failed_str = "Failed Test"; |
909 | my $middle_str = " Stat Wstat Total Fail Failed "; |
9c5c68c8 |
910 | my $list_str = "List of Failed"; |
911 | |
912 | # Figure out our longest name string for formatting purposes. |
913 | my $max_namelen = length($failed_str); |
914 | foreach my $script (keys %$failedtests) { |
915 | my $namelen = length $failedtests->{$script}->{name}; |
916 | $max_namelen = $namelen if $namelen > $max_namelen; |
917 | } |
918 | |
919 | my $list_len = $Columns - length($middle_str) - $max_namelen; |
920 | if ($list_len < length($list_str)) { |
921 | $list_len = length($list_str); |
922 | $max_namelen = $Columns - length($middle_str) - $list_len; |
923 | if ($max_namelen < length($failed_str)) { |
924 | $max_namelen = length($failed_str); |
925 | $Columns = $max_namelen + length($middle_str) + $list_len; |
926 | } |
927 | } |
928 | |
929 | my $fmt_top = "format STDOUT_TOP =\n" |
b82fa0b7 |
930 | . sprintf("%-${max_namelen}s", $failed_str) |
9c5c68c8 |
931 | . $middle_str |
2fe373ce |
932 | . $list_str . "\n" |
933 | . "-" x $Columns |
934 | . "\n.\n"; |
9c5c68c8 |
935 | |
936 | my $fmt = "format STDOUT =\n" |
2fe373ce |
937 | . "@" . "<" x ($max_namelen - 1) |
b82fa0b7 |
938 | . " @>> @>>>> @>>>> @>>> ^##.##% " |
2fe373ce |
939 | . "^" . "<" x ($list_len - 1) . "\n" |
940 | . '{ $Curtest->{name}, $Curtest->{estat},' |
941 | . ' $Curtest->{wstat}, $Curtest->{max},' |
942 | . ' $Curtest->{failed}, $Curtest->{percent},' |
943 | . ' $Curtest->{canon}' |
944 | . "\n}\n" |
945 | . "~~" . " " x ($Columns - $list_len - 2) . "^" |
946 | . "<" x ($list_len - 1) . "\n" |
947 | . '$Curtest->{canon}' |
948 | . "\n.\n"; |
9c5c68c8 |
949 | |
950 | eval $fmt_top; |
951 | die $@ if $@; |
952 | eval $fmt; |
953 | die $@ if $@; |
954 | |
955 | return($fmt_top, $fmt); |
956 | } |
957 | |
b82fa0b7 |
958 | { |
959 | my $tried_devel_corestack; |
9c5c68c8 |
960 | |
b82fa0b7 |
961 | sub corestatus { |
962 | my($st) = @_; |
c0ee6f5c |
963 | |
b82fa0b7 |
964 | eval {require 'wait.ph'}; |
965 | my $ret = defined &WCOREDUMP ? WCOREDUMP($st) : $st & 0200; |
c0ee6f5c |
966 | |
b82fa0b7 |
967 | eval { require Devel::CoreStack; $Have_Devel_Corestack++ } |
968 | unless $tried_devel_corestack++; |
c0ee6f5c |
969 | |
b82fa0b7 |
970 | $ret; |
971 | } |
c0ee6f5c |
972 | } |
973 | |
c07a80fd |
974 | sub canonfailed ($@) { |
89d3b7e2 |
975 | my($max,$skipped,@failed) = @_; |
6c31b336 |
976 | my %seen; |
977 | @failed = sort {$a <=> $b} grep !$seen{$_}++, @failed; |
c07a80fd |
978 | my $failed = @failed; |
979 | my @result = (); |
980 | my @canon = (); |
981 | my $min; |
982 | my $last = $min = shift @failed; |
760ac839 |
983 | my $canon; |
c07a80fd |
984 | if (@failed) { |
2fe373ce |
985 | for (@failed, $failed[-1]) { # don't forget the last one |
986 | if ($_ > $last+1 || $_ == $last) { |
987 | if ($min == $last) { |
988 | push @canon, $last; |
989 | } else { |
990 | push @canon, "$min-$last"; |
991 | } |
992 | $min = $_; |
993 | } |
994 | $last = $_; |
995 | } |
996 | local $" = ", "; |
997 | push @result, "FAILED tests @canon\n"; |
998 | $canon = join ' ', @canon; |
a0d0e21e |
999 | } else { |
2fe373ce |
1000 | push @result, "FAILED test $last\n"; |
1001 | $canon = $last; |
a0d0e21e |
1002 | } |
c07a80fd |
1003 | |
1004 | push @result, "\tFailed $failed/$max tests, "; |
89d3b7e2 |
1005 | push @result, sprintf("%.2f",100*(1-$failed/$max)), "% okay"; |
1006 | my $ender = 's' x ($skipped > 1); |
1007 | my $good = $max - $failed - $skipped; |
1008 | my $goodper = sprintf("%.2f",100*($good/$max)); |
9c5c68c8 |
1009 | push @result, " (-$skipped skipped test$ender: $good okay, ". |
1010 | "$goodper%)" |
1011 | if $skipped; |
89d3b7e2 |
1012 | push @result, "\n"; |
760ac839 |
1013 | my $txt = join "", @result; |
1014 | ($txt, $canon); |
a0d0e21e |
1015 | } |
1016 | |
b82fa0b7 |
1017 | =end _private |
9c5c68c8 |
1018 | |
b82fa0b7 |
1019 | =back |
d667a7e6 |
1020 | |
b82fa0b7 |
1021 | =cut |
9c5c68c8 |
1022 | |
9c5c68c8 |
1023 | |
b82fa0b7 |
1024 | 1; |
1025 | __END__ |
9c5c68c8 |
1026 | |
1027 | |
cb1a09d0 |
1028 | =head1 EXPORT |
1029 | |
c0ee6f5c |
1030 | C<&runtests> is exported by Test::Harness per default. |
cb1a09d0 |
1031 | |
9c5c68c8 |
1032 | C<$verbose> and C<$switches> are exported upon request. |
1033 | |
1034 | |
cb1a09d0 |
1035 | =head1 DIAGNOSTICS |
1036 | |
1037 | =over 4 |
1038 | |
1039 | =item C<All tests successful.\nFiles=%d, Tests=%d, %s> |
1040 | |
1041 | If all tests are successful some statistics about the performance are |
1042 | printed. |
1043 | |
6c31b336 |
1044 | =item C<FAILED tests %s\n\tFailed %d/%d tests, %.2f%% okay.> |
1045 | |
1046 | For any single script that has failing subtests statistics like the |
1047 | above are printed. |
1048 | |
1049 | =item C<Test returned status %d (wstat %d)> |
1050 | |
9c5c68c8 |
1051 | Scripts that return a non-zero exit status, both C<$? E<gt>E<gt> 8> |
1052 | and C<$?> are printed in a message similar to the above. |
6c31b336 |
1053 | |
1054 | =item C<Failed 1 test, %.2f%% okay. %s> |
cb1a09d0 |
1055 | |
6c31b336 |
1056 | =item C<Failed %d/%d tests, %.2f%% okay. %s> |
cb1a09d0 |
1057 | |
1058 | If not all tests were successful, the script dies with one of the |
1059 | above messages. |
1060 | |
d667a7e6 |
1061 | =item C<FAILED--Further testing stopped%s> |
1062 | |
1063 | If a single subtest decides that further testing will not make sense, |
1064 | the script dies with this message. |
1065 | |
cb1a09d0 |
1066 | =back |
1067 | |
9b0ceca9 |
1068 | =head1 ENVIRONMENT |
1069 | |
37ce32a7 |
1070 | =over 4 |
1071 | |
b82fa0b7 |
1072 | =item C<HARNESS_IGNORE_EXITCODE> |
37ce32a7 |
1073 | |
1074 | Makes harness ignore the exit status of child processes when defined. |
1075 | |
b82fa0b7 |
1076 | =item C<HARNESS_NOTTY> |
9b0ceca9 |
1077 | |
37ce32a7 |
1078 | When set to a true value, forces it to behave as though STDOUT were |
1079 | not a console. You may need to set this if you don't want harness to |
1080 | output more frequent progress messages using carriage returns. Some |
1081 | consoles may not handle carriage returns properly (which results in a |
1082 | somewhat messy output). |
0d0c0d42 |
1083 | |
b82fa0b7 |
1084 | =item C<HARNESS_COMPILE_TEST> |
9636a016 |
1085 | |
37ce32a7 |
1086 | When true it will make harness attempt to compile the test using |
1087 | C<perlcc> before running it. |
1088 | |
b82fa0b7 |
1089 | B<NOTE> This currently only works when sitting in the perl source |
1090 | directory! |
1091 | |
1092 | =item C<HARNESS_FILELEAK_IN_DIR> |
37ce32a7 |
1093 | |
1094 | When set to the name of a directory, harness will check after each |
1095 | test whether new files appeared in that directory, and report them as |
17a79f5b |
1096 | |
1097 | LEAKED FILES: scr.tmp 0 my.db |
1098 | |
1099 | If relative, directory name is with respect to the current directory at |
1100 | the moment runtests() was called. Putting absolute path into |
13287dd5 |
1101 | C<HARNESS_FILELEAK_IN_DIR> may give more predictable results. |
17a79f5b |
1102 | |
b82fa0b7 |
1103 | =item C<HARNESS_PERL_SWITCHES> |
37ce32a7 |
1104 | |
1105 | Its value will be prepended to the switches used to invoke perl on |
b82fa0b7 |
1106 | each test. For example, setting C<HARNESS_PERL_SWITCHES> to C<-W> will |
37ce32a7 |
1107 | run all tests with all warnings enabled. |
1108 | |
b82fa0b7 |
1109 | =item C<HARNESS_COLUMNS> |
37ce32a7 |
1110 | |
1111 | This value will be used for the width of the terminal. If it is not |
1112 | set then it will default to C<COLUMNS>. If this is not set, it will |
1113 | default to 80. Note that users of Bourne-sh based shells will need to |
1114 | C<export COLUMNS> for this module to use that variable. |
2b32313b |
1115 | |
b82fa0b7 |
1116 | =item C<HARNESS_ACTIVE> |
37ce32a7 |
1117 | |
1118 | Harness sets this before executing the individual tests. This allows |
1119 | the tests to determine if they are being executed through the harness |
1120 | or by any other means. |
1121 | |
1122 | =back |
0a931e4a |
1123 | |
b82fa0b7 |
1124 | =head1 EXAMPLE |
1125 | |
1126 | Here's how Test::Harness tests itself |
1127 | |
1128 | $ cd ~/src/devel/Test-Harness |
1129 | $ perl -Mblib -e 'use Test::Harness qw(&runtests $verbose); |
1130 | $verbose=0; runtests @ARGV;' t/*.t |
1131 | Using /home/schwern/src/devel/Test-Harness/blib |
1132 | t/base..............ok |
1133 | t/nonumbers.........ok |
1134 | t/ok................ok |
1135 | t/test-harness......ok |
1136 | All tests successful. |
1137 | Files=4, Tests=24, 2 wallclock secs ( 0.61 cusr + 0.41 csys = 1.02 CPU) |
f19ae7a7 |
1138 | |
cb1a09d0 |
1139 | =head1 SEE ALSO |
1140 | |
b82fa0b7 |
1141 | L<Test> and L<Test::Simple> for writing test scripts, L<Benchmark> for |
1142 | the underlying timing routines, L<Devel::CoreStack> to generate core |
1143 | dumps from failed tests and L<Devel::Cover> for test coverage |
1144 | analysis. |
c07a80fd |
1145 | |
1146 | =head1 AUTHORS |
1147 | |
1148 | Either Tim Bunce or Andreas Koenig, we don't know. What we know for |
1149 | sure is, that it was inspired by Larry Wall's TEST script that came |
b876d4a6 |
1150 | with perl distributions for ages. Numerous anonymous contributors |
b82fa0b7 |
1151 | exist. Andreas Koenig held the torch for many years. |
1152 | |
1153 | Current maintainer is Michael G Schwern E<lt>schwern@pobox.comE<gt> |
1154 | |
1155 | =head1 TODO |
1156 | |
1157 | Provide a way of running tests quietly (ie. no printing) for automated |
1158 | validation of tests. This will probably take the form of a version |
1159 | of runtests() which rather than printing its output returns raw data |
1160 | on the state of the tests. |
1161 | |
1162 | Fix HARNESS_COMPILE_TEST without breaking its core usage. |
1163 | |
1164 | Figure a way to report test names in the failure summary. |
37ce32a7 |
1165 | |
b82fa0b7 |
1166 | Rework the test summary so long test names are not truncated as badly. |
1167 | |
1168 | Merge back into bleadperl. |
1169 | |
1170 | Deal with VMS's "not \nok 4\n" mistake. |
1171 | |
1172 | Add option for coverage analysis. |
1173 | |
1174 | =for _private |
1175 | Keeping whittling away at _run_all_tests() |
1176 | |
1177 | =for _private |
1178 | Clean up how the summary is printed. Get rid of those damned formats. |
cb1a09d0 |
1179 | |
1180 | =head1 BUGS |
1181 | |
1182 | Test::Harness uses $^X to determine the perl binary to run the tests |
6c31b336 |
1183 | with. Test scripts running via the shebang (C<#!>) line may not be |
1184 | portable because $^X is not consistent for shebang scripts across |
cb1a09d0 |
1185 | platforms. This is no problem when Test::Harness is run with an |
6c31b336 |
1186 | absolute path to the perl binary or when $^X can be found in the path. |
cb1a09d0 |
1187 | |
b82fa0b7 |
1188 | HARNESS_COMPILE_TEST currently assumes its run from the Perl source |
1189 | directory. |
1190 | |
cb1a09d0 |
1191 | =cut |