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1 | # -*- Mode: cperl; cperl-indent-level: 4 -*- |
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2 | # $Id: Harness.pm,v 1.11 2001/05/23 18:24:41 schwern Exp $ |
3 | |
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4 | package Test::Harness; |
5 | |
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6 | require 5.004; |
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7 | use Exporter; |
8 | use Benchmark; |
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9 | use Config; |
760ac839 |
10 | use strict; |
11 | |
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12 | use vars qw($VERSION $Verbose $Switches $Have_Devel_Corestack $Curtest |
13 | $Columns $verbose $switches |
14 | @ISA @EXPORT @EXPORT_OK |
15 | ); |
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16 | |
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17 | # Backwards compatibility for exportable variable names. |
18 | *verbose = \$Verbose; |
19 | *switches = \$Switches; |
20 | |
21 | $Have_Devel_Corestack = 0; |
22 | |
b82fa0b7 |
23 | $VERSION = "1.21"; |
9b0ceca9 |
24 | |
f19ae7a7 |
25 | $ENV{HARNESS_ACTIVE} = 1; |
26 | |
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27 | # Some experimental versions of OS/2 build have broken $? |
9c5c68c8 |
28 | my $Ignore_Exitcode = $ENV{HARNESS_IGNORE_EXITCODE}; |
29 | |
30 | my $Files_In_Dir = $ENV{HARNESS_FILELEAK_IN_DIR}; |
9b0ceca9 |
31 | |
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32 | |
9c5c68c8 |
33 | @ISA = ('Exporter'); |
34 | @EXPORT = qw(&runtests); |
35 | @EXPORT_OK = qw($verbose $switches); |
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36 | |
9c5c68c8 |
37 | $Verbose = 0; |
38 | $Switches = "-w"; |
39 | $Columns = $ENV{HARNESS_COLUMNS} || $ENV{COLUMNS} || 80; |
b82fa0b7 |
40 | $Columns--; # Some shells have trouble with a full line of text. |
41 | |
42 | |
43 | =head1 NAME |
44 | |
45 | Test::Harness - run perl standard test scripts with statistics |
46 | |
47 | =head1 SYNOPSIS |
48 | |
49 | use Test::Harness; |
50 | |
51 | runtests(@test_files); |
52 | |
53 | =head1 DESCRIPTION |
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54 | |
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55 | B<STOP!> If all you want to do is write a test script, consider using |
56 | Test::Simple. Otherwise, read on. |
57 | |
58 | (By using the Test module, you can write test scripts without |
59 | knowing the exact output this module expects. However, if you need to |
60 | know the specifics, read on!) |
61 | |
62 | Perl test scripts print to standard output C<"ok N"> for each single |
63 | test, where C<N> is an increasing sequence of integers. The first line |
64 | output by a standard test script is C<"1..M"> with C<M> being the |
65 | number of tests that should be run within the test |
66 | script. Test::Harness::runtests(@tests) runs all the testscripts |
67 | named as arguments and checks standard output for the expected |
68 | C<"ok N"> strings. |
69 | |
70 | After all tests have been performed, runtests() prints some |
71 | performance statistics that are computed by the Benchmark module. |
72 | |
73 | =head2 The test script output |
74 | |
75 | The following explains how Test::Harness interprets the output of your |
76 | test program. |
77 | |
78 | =over 4 |
79 | |
80 | =item B<'1..M'> |
81 | |
82 | This header tells how many tests there will be. It should be the |
83 | first line output by your test program (but its okay if its preceded |
84 | by comments). |
85 | |
86 | In certain instanced, you may not know how many tests you will |
87 | ultimately be running. In this case, it is permitted (but not |
88 | encouraged) for the 1..M header to appear as the B<last> line output |
89 | by your test (again, it can be followed by further comments). But we |
90 | strongly encourage you to put it first. |
91 | |
92 | Under B<no> circumstances should 1..M appear in the middle of your |
93 | output or more than once. |
94 | |
95 | |
96 | =item B<'ok', 'not ok'. Ok?> |
97 | |
98 | Any output from the testscript to standard error is ignored and |
99 | bypassed, thus will be seen by the user. Lines written to standard |
100 | output containing C</^(not\s+)?ok\b/> are interpreted as feedback for |
101 | runtests(). All other lines are discarded. |
102 | |
103 | C</^not ok/> indicates a failed test. C</^ok/> is a successful test. |
104 | |
105 | |
106 | =item B<test numbers> |
107 | |
108 | Perl normally expects the 'ok' or 'not ok' to be followed by a test |
109 | number. It is tolerated if the test numbers after 'ok' are |
110 | omitted. In this case Test::Harness maintains temporarily its own |
111 | counter until the script supplies test numbers again. So the following |
112 | test script |
113 | |
114 | print <<END; |
115 | 1..6 |
116 | not ok |
117 | ok |
118 | not ok |
119 | ok |
120 | ok |
121 | END |
122 | |
123 | will generate |
124 | |
125 | FAILED tests 1, 3, 6 |
126 | Failed 3/6 tests, 50.00% okay |
127 | |
128 | |
129 | =item B<$Test::Harness::verbose> |
130 | |
131 | The global variable $Test::Harness::verbose is exportable and can be |
132 | used to let runtests() display the standard output of the script |
133 | without altering the behavior otherwise. |
134 | |
135 | =item B<$Test::Harness::switches> |
136 | |
137 | The global variable $Test::Harness::switches is exportable and can be |
138 | used to set perl command line options used for running the test |
139 | script(s). The default value is C<-w>. |
140 | |
141 | =item B<Skipping tests> |
142 | |
143 | If the standard output line contains the substring C< # Skip> (with |
144 | variations in spacing and case) after C<ok> or C<ok NUMBER>, it is |
145 | counted as a skipped test. If the whole testscript succeeds, the |
146 | count of skipped tests is included in the generated output. |
147 | C<Test::Harness> reports the text after C< # Skip\S*\s+> as a reason |
148 | for skipping. |
149 | |
150 | ok 23 # skip Insufficient flogiston pressure. |
151 | |
152 | Similarly, one can include a similar explanation in a C<1..0> line |
153 | emitted if the test script is skipped completely: |
154 | |
155 | 1..0 # Skipped: no leverage found |
156 | |
157 | =item B<Todo tests> |
158 | |
159 | If the standard output line contains the substring C< # TODO> after |
160 | C<not ok> or C<not ok NUMBER>, it is counted as a todo test. The text |
161 | afterwards is the thing that has to be done before this test will |
162 | succeed. |
163 | |
164 | not ok 13 # TODO harness the power of the atom |
165 | |
166 | These tests represent a feature to be implemented or a bug to be fixed |
167 | and act as something of an executable "thing to do" list. They are |
168 | B<not> expected to succeed. Should a todo test begin succeeding, |
169 | Test::Harness will report it as a bonus. This indicates that whatever |
170 | you were supposed to do has been done and you should promote this to a |
171 | normal test. |
172 | |
173 | =item B<Bail out!> |
174 | |
175 | As an emergency measure, a test script can decide that further tests |
176 | are useless (e.g. missing dependencies) and testing should stop |
177 | immediately. In that case the test script prints the magic words |
178 | |
179 | Bail out! |
180 | |
181 | to standard output. Any message after these words will be displayed by |
182 | C<Test::Harness> as the reason why testing is stopped. |
183 | |
184 | =item B<Comments> |
185 | |
186 | Additional comments may be put into the testing output on their own |
187 | lines. Comment lines should begin with a '#', Test::Harness will |
188 | ignore them. |
189 | |
190 | ok 1 |
191 | # Life is good, the sun is shining, RAM is cheap. |
192 | not ok 2 |
193 | # got 'Bush' expected 'Gore' |
194 | |
195 | =item B<Anything else> |
196 | |
197 | Any other output Test::Harness sees it will silently ignore B<BUT WE |
198 | PLAN TO CHANGE THIS!> If you wish to place additional output in your |
199 | test script, please use a comment. |
200 | |
201 | =back |
202 | |
203 | |
204 | =head2 Failure |
205 | |
206 | It will happen, your tests will fail. After you mop up your ego, you |
207 | can begin examining the summary report: |
208 | |
209 | t/base..............ok |
210 | t/nonumbers.........ok |
211 | t/ok................ok |
212 | t/test-harness......ok |
213 | t/waterloo..........dubious |
214 | Test returned status 3 (wstat 768, 0x300) |
215 | DIED. FAILED tests 1, 3, 5, 7, 9, 11, 13, 15, 17, 19 |
216 | Failed 10/20 tests, 50.00% okay |
217 | Failed Test Stat Wstat Total Fail Failed List of Failed |
218 | ----------------------------------------------------------------------- |
219 | t/waterloo.t 3 768 20 10 50.00% 1 3 5 7 9 11 13 15 17 19 |
220 | Failed 1/5 test scripts, 80.00% okay. 10/44 subtests failed, 77.27% okay. |
221 | |
222 | Everything passed but t/waterloo.t. It failed 10 of 20 tests and |
223 | exited with non-zero status indicating something dubious happened. |
224 | |
225 | The columns in the summary report mean: |
226 | |
227 | =over 4 |
228 | |
229 | =item B<Failed Test> |
230 | |
231 | The test file which failed. |
232 | |
233 | =item B<Stat> |
234 | |
235 | If the test exited with non-zero, this is its exit status. |
236 | |
237 | =item B<Wstat> |
238 | |
239 | The wait status of the test I<umm, I need a better explanation here>. |
240 | |
241 | =item B<Total> |
242 | |
243 | Total number of tests expected to run. |
244 | |
245 | =item B<Fail> |
246 | |
247 | Number which failed, either from "not ok" or because they never ran. |
248 | |
249 | =item B<Failed> |
250 | |
251 | Percentage of the total tests which failed. |
252 | |
253 | =item B<List of Failed> |
254 | |
255 | A list of the tests which failed. Successive failures may be |
256 | abbreviated (ie. 15-20 to indicate that tests 15, 16, 17, 18, 19 and |
257 | 20 failed). |
258 | |
259 | =back |
260 | |
261 | |
262 | =head2 Functions |
263 | |
264 | Test::Harness currently only has one function, here it is. |
265 | |
266 | =over 4 |
267 | |
268 | =item B<runtests> |
269 | |
270 | my $allok = runtests(@test_files); |
271 | |
272 | This runs all the given @test_files and divines whether they passed |
273 | or failed based on their output to STDOUT (details above). It prints |
274 | out each individual test which failed along with a summary report and |
275 | a how long it all took. |
276 | |
277 | It returns true if everything was ok, false otherwise. |
278 | |
279 | =for _private |
280 | This is just _run_all_tests() plus _show_results() |
281 | |
282 | =cut |
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283 | |
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284 | sub runtests { |
285 | my(@tests) = @_; |
9c5c68c8 |
286 | |
b82fa0b7 |
287 | local ($\, $,); |
288 | |
289 | my($tot, $failedtests) = _run_all_tests(@tests); |
9c5c68c8 |
290 | _show_results($tot, $failedtests); |
291 | |
b82fa0b7 |
292 | my $ok = ($tot->{bad} == 0 && $tot->{max}); |
293 | |
294 | die q{Assert '$ok xor keys %$failedtests' failed!} |
295 | unless $ok xor keys %$failedtests; |
296 | |
297 | return $ok; |
298 | } |
299 | |
300 | =begin _private |
301 | |
302 | =item B<_globdir> |
303 | |
304 | my @files = _globdir $dir; |
305 | |
306 | Returns all the files in a directory. This is shorthand for backwards |
307 | compatibility on systems where glob() doesn't work right. |
308 | |
309 | =cut |
310 | |
311 | sub _globdir { |
312 | opendir DIRH, shift; |
313 | my @f = readdir DIRH; |
314 | closedir DIRH; |
315 | |
316 | return @f; |
9c5c68c8 |
317 | } |
318 | |
b82fa0b7 |
319 | =item B<_run_all_tests> |
320 | |
321 | my($total, $failed) = _run_all_tests(@test_files); |
322 | |
323 | Runs all the given @test_files (as runtests()) but does it quietly (no |
324 | report). $total is a hash ref summary of all the tests run. Its keys |
325 | and values are this: |
326 | |
327 | bonus Number of individual todo tests unexpectedly passed |
328 | max Number of individual tests ran |
329 | ok Number of individual tests passed |
330 | sub_skipped Number of individual tests skipped |
331 | |
332 | files Number of test files ran |
333 | good Number of test files passed |
334 | bad Number of test files failed |
335 | tests Number of test files originally given |
336 | skipped Number of test files skipped |
337 | |
338 | If $total->{bad} == 0 and $total->{max} > 0, you've got a successful |
339 | test. |
340 | |
341 | $failed is a hash ref of all the test scripts which failed. Each key |
342 | is the name of a test script, each value is another hash representing |
343 | how that script failed. Its keys are these: |
9c5c68c8 |
344 | |
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345 | name Name of the test which failed |
346 | estat Script's exit value |
347 | wstat Script's wait status |
348 | max Number of individual tests |
349 | failed Number which failed |
350 | percent Percentage of tests which failed |
351 | canon List of tests which failed (as string). |
352 | |
353 | Needless to say, $failed should be empty if everything passed. |
354 | |
355 | B<NOTE> Currently this function is still noisy. I'm working on it. |
356 | |
357 | =cut |
358 | |
359 | sub _run_all_tests { |
9c5c68c8 |
360 | my(@tests) = @_; |
a0d0e21e |
361 | local($|) = 1; |
9c5c68c8 |
362 | my(%failedtests); |
363 | |
364 | # Test-wide totals. |
365 | my(%tot) = ( |
366 | bonus => 0, |
367 | max => 0, |
368 | ok => 0, |
369 | files => 0, |
370 | bad => 0, |
371 | good => 0, |
372 | tests => scalar @tests, |
373 | sub_skipped => 0, |
374 | skipped => 0, |
375 | bench => 0 |
376 | ); |
774d564b |
377 | |
378 | # pass -I flags to children |
81ff29e3 |
379 | my $old5lib = $ENV{PERL5LIB}; |
774d564b |
380 | |
1250aba5 |
381 | # VMS has a 255-byte limit on the length of %ENV entries, so |
382 | # toss the ones that involve perl_root, the install location |
383 | # for VMS |
384 | my $new5lib; |
385 | if ($^O eq 'VMS') { |
386 | $new5lib = join($Config{path_sep}, grep {!/perl_root/i;} @INC); |
9c5c68c8 |
387 | $Switches =~ s/-(\S*[A-Z]\S*)/"-$1"/g; |
1250aba5 |
388 | } |
389 | else { |
390 | $new5lib = join($Config{path_sep}, @INC); |
391 | } |
392 | |
393 | local($ENV{'PERL5LIB'}) = $new5lib; |
a0d0e21e |
394 | |
b82fa0b7 |
395 | my @dir_files = _globdir $Files_In_Dir if defined $Files_In_Dir; |
a0d0e21e |
396 | my $t_start = new Benchmark; |
9c5c68c8 |
397 | |
63b097aa |
398 | my $maxlen = 0; |
908801fe |
399 | my $maxsuflen = 0; |
400 | foreach (@tests) { # The same code in t/TEST |
401 | my $suf = /\.(\w+)$/ ? $1 : ''; |
402 | my $len = length; |
403 | my $suflen = length $suf; |
404 | $maxlen = $len if $len > $maxlen; |
405 | $maxsuflen = $suflen if $suflen > $maxsuflen; |
7a315204 |
406 | } |
908801fe |
407 | # + 3 : we want three dots between the test name and the "ok" |
408 | my $width = $maxlen + 3 - $maxsuflen; |
b82fa0b7 |
409 | foreach my $tfile (@tests) { |
7a315204 |
410 | my($leader, $ml) = _mk_leader($tfile, $width); |
b82fa0b7 |
411 | print $leader; |
9c5c68c8 |
412 | |
b82fa0b7 |
413 | my $fh = _open_test($tfile); |
9c5c68c8 |
414 | |
415 | # state of the current test. |
416 | my %test = ( |
417 | ok => 0, |
b82fa0b7 |
418 | 'next' => 0, |
9c5c68c8 |
419 | max => 0, |
420 | failed => [], |
421 | todo => {}, |
422 | bonus => 0, |
423 | skipped => 0, |
424 | skip_reason => undef, |
425 | ml => $ml, |
426 | ); |
427 | |
428 | my($seen_header, $tests_seen) = (0,0); |
c07a80fd |
429 | while (<$fh>) { |
9c5c68c8 |
430 | if( _parse_header($_, \%test, \%tot) ) { |
431 | warn "Test header seen twice!\n" if $seen_header; |
432 | |
433 | $seen_header = 1; |
434 | |
435 | warn "1..M can only appear at the beginning or end of tests\n" |
436 | if $tests_seen && $test{max} < $tests_seen; |
437 | } |
438 | elsif( _parse_test_line($_, \%test, \%tot) ) { |
439 | $tests_seen++; |
d667a7e6 |
440 | } |
9c5c68c8 |
441 | # else, ignore it. |
c07a80fd |
442 | } |
9c5c68c8 |
443 | |
444 | my($estatus, $wstatus) = _close_fh($fh); |
445 | |
b82fa0b7 |
446 | my $allok = $test{ok} == $test{max} && $test{'next'} == $test{max}+1; |
447 | |
68dc0745 |
448 | if ($wstatus) { |
b82fa0b7 |
449 | $failedtests{$tfile} = _dubious_return(\%test, \%tot, |
9c5c68c8 |
450 | $estatus, $wstatus); |
b82fa0b7 |
451 | $failedtests{$tfile}{name} = $tfile; |
9c5c68c8 |
452 | } |
b82fa0b7 |
453 | elsif ($allok) { |
9c5c68c8 |
454 | if ($test{max} and $test{skipped} + $test{bonus}) { |
7b13a3f5 |
455 | my @msg; |
9c5c68c8 |
456 | push(@msg, "$test{skipped}/$test{max} skipped: $test{skip_reason}") |
457 | if $test{skipped}; |
458 | push(@msg, "$test{bonus}/$test{max} unexpectedly succeeded") |
459 | if $test{bonus}; |
460 | print "$test{ml}ok, ".join(', ', @msg)."\n"; |
461 | } elsif ($test{max}) { |
462 | print "$test{ml}ok\n"; |
463 | } elsif (defined $test{skip_reason}) { |
464 | print "skipped: $test{skip_reason}\n"; |
465 | $tot{skipped}++; |
c0ee6f5c |
466 | } else { |
45c0de28 |
467 | print "skipped test on this platform\n"; |
9c5c68c8 |
468 | $tot{skipped}++; |
c0ee6f5c |
469 | } |
9c5c68c8 |
470 | $tot{good}++; |
6c31b336 |
471 | } |
b82fa0b7 |
472 | else { |
473 | if ($test{max}) { |
474 | if ($test{'next'} <= $test{max}) { |
475 | push @{$test{failed}}, $test{'next'}..$test{max}; |
476 | } |
477 | if (@{$test{failed}}) { |
478 | my ($txt, $canon) = canonfailed($test{max},$test{skipped}, |
479 | @{$test{failed}}); |
480 | print "$test{ml}$txt"; |
481 | $failedtests{$tfile} = { canon => $canon, |
482 | max => $test{max}, |
483 | failed => scalar @{$test{failed}}, |
484 | name => $tfile, |
485 | percent => 100*(scalar @{$test{failed}})/$test{max}, |
486 | estat => '', |
487 | wstat => '', |
488 | }; |
489 | } else { |
490 | print "Don't know which tests failed: got $test{ok} ok, ". |
491 | "expected $test{max}\n"; |
492 | $failedtests{$tfile} = { canon => '??', |
493 | max => $test{max}, |
494 | failed => '??', |
495 | name => $tfile, |
496 | percent => undef, |
497 | estat => '', |
498 | wstat => '', |
499 | }; |
500 | } |
501 | $tot{bad}++; |
502 | } elsif ($test{'next'} == 0) { |
503 | print "FAILED before any test output arrived\n"; |
504 | $tot{bad}++; |
505 | $failedtests{$tfile} = { canon => '??', |
506 | max => '??', |
507 | failed => '??', |
508 | name => $tfile, |
509 | percent => undef, |
510 | estat => '', |
511 | wstat => '', |
512 | }; |
513 | } |
514 | } |
515 | |
9c5c68c8 |
516 | $tot{sub_skipped} += $test{skipped}; |
517 | |
518 | if (defined $Files_In_Dir) { |
b82fa0b7 |
519 | my @new_dir_files = _globdir $Files_In_Dir; |
17a79f5b |
520 | if (@new_dir_files != @dir_files) { |
521 | my %f; |
522 | @f{@new_dir_files} = (1) x @new_dir_files; |
523 | delete @f{@dir_files}; |
524 | my @f = sort keys %f; |
525 | print "LEAKED FILES: @f\n"; |
526 | @dir_files = @new_dir_files; |
527 | } |
528 | } |
a0d0e21e |
529 | } |
9c5c68c8 |
530 | $tot{bench} = timediff(new Benchmark, $t_start); |
d667a7e6 |
531 | |
774d564b |
532 | if ($^O eq 'VMS') { |
533 | if (defined $old5lib) { |
534 | $ENV{PERL5LIB} = $old5lib; |
b876d4a6 |
535 | } else { |
774d564b |
536 | delete $ENV{PERL5LIB}; |
537 | } |
538 | } |
9c5c68c8 |
539 | |
540 | return(\%tot, \%failedtests); |
541 | } |
542 | |
b82fa0b7 |
543 | =item B<_mk_leader> |
544 | |
7a315204 |
545 | my($leader, $ml) = _mk_leader($test_file, $width); |
b82fa0b7 |
546 | |
547 | Generates the 't/foo........' $leader for the given $test_file as well |
548 | as a similar version which will overwrite the current line (by use of |
549 | \r and such). $ml may be empty if Test::Harness doesn't think you're |
7a315204 |
550 | on TTY. The width is the width of the "yada/blah..." string. |
b82fa0b7 |
551 | |
552 | =cut |
553 | |
554 | sub _mk_leader { |
7a315204 |
555 | my ($te, $width) = @_; |
556 | |
b695f709 |
557 | $te =~ s/\.\w+$/./; |
b82fa0b7 |
558 | |
559 | if ($^O eq 'VMS') { $te =~ s/^.*\.t\./\[.t./s; } |
560 | my $blank = (' ' x 77); |
7a315204 |
561 | my $leader = "$te" . '.' x ($width - length($te)); |
b82fa0b7 |
562 | my $ml = ""; |
563 | |
564 | $ml = "\r$blank\r$leader" |
565 | if -t STDOUT and not $ENV{HARNESS_NOTTY} and not $Verbose; |
566 | |
567 | return($leader, $ml); |
568 | } |
569 | |
9c5c68c8 |
570 | |
571 | sub _show_results { |
572 | my($tot, $failedtests) = @_; |
573 | |
574 | my $pct; |
575 | my $bonusmsg = _bonusmsg($tot); |
576 | |
577 | if ($tot->{bad} == 0 && $tot->{max}) { |
5d23d6cd |
578 | # print "All tests successful$bonusmsg.\n"; |
579 | print "All tests successful.\n"; |
9c5c68c8 |
580 | } elsif ($tot->{tests}==0){ |
6c31b336 |
581 | die "FAILED--no tests were run for some reason.\n"; |
9c5c68c8 |
582 | } elsif ($tot->{max} == 0) { |
583 | my $blurb = $tot->{tests}==1 ? "script" : "scripts"; |
584 | die "FAILED--$tot->{tests} test $blurb could be run, ". |
585 | "alas--no output ever seen\n"; |
c07a80fd |
586 | } else { |
9c5c68c8 |
587 | $pct = sprintf("%.2f", $tot->{good} / $tot->{tests} * 100); |
6c31b336 |
588 | my $subpct = sprintf " %d/%d subtests failed, %.2f%% okay.", |
9c5c68c8 |
589 | $tot->{max} - $tot->{ok}, $tot->{max}, |
590 | 100*$tot->{ok}/$tot->{max}; |
0a931e4a |
591 | |
9c5c68c8 |
592 | my($fmt_top, $fmt) = _create_fmts($failedtests); |
0a931e4a |
593 | |
594 | # Now write to formats |
9c5c68c8 |
595 | for my $script (sort keys %$failedtests) { |
596 | $Curtest = $failedtests->{$script}; |
760ac839 |
597 | write; |
598 | } |
9c5c68c8 |
599 | if ($tot->{bad}) { |
9b0ceca9 |
600 | $bonusmsg =~ s/^,\s*//; |
601 | print "$bonusmsg.\n" if $bonusmsg; |
9c5c68c8 |
602 | die "Failed $tot->{bad}/$tot->{tests} test scripts, $pct% okay.". |
603 | "$subpct\n"; |
c07a80fd |
604 | } |
605 | } |
f0a9308e |
606 | |
9c5c68c8 |
607 | printf("Files=%d, Tests=%d, %s\n", |
608 | $tot->{files}, $tot->{max}, timestr($tot->{bench}, 'nop')); |
609 | } |
610 | |
611 | |
612 | sub _parse_header { |
613 | my($line, $test, $tot) = @_; |
614 | |
615 | my $is_header = 0; |
616 | |
617 | print $line if $Verbose; |
618 | |
619 | # 1..10 todo 4 7 10; |
620 | if ($line =~ /^1\.\.([0-9]+) todo([\d\s]+);?/i) { |
621 | $test->{max} = $1; |
622 | for (split(/\s+/, $2)) { $test->{todo}{$_} = 1; } |
623 | |
624 | $tot->{max} += $test->{max}; |
625 | $tot->{files}++; |
626 | |
627 | $is_header = 1; |
628 | } |
629 | # 1..10 |
630 | # 1..0 # skip Why? Because I said so! |
631 | elsif ($line =~ /^1\.\.([0-9]+) |
b82fa0b7 |
632 | (\s*\#\s*[Ss]kip\S*\s* (.+))? |
9c5c68c8 |
633 | /x |
634 | ) |
635 | { |
636 | $test->{max} = $1; |
637 | $tot->{max} += $test->{max}; |
638 | $tot->{files}++; |
b82fa0b7 |
639 | $test->{'next'} = 1 unless $test->{'next'}; |
9c5c68c8 |
640 | $test->{skip_reason} = $3 if not $test->{max} and defined $3; |
641 | |
642 | $is_header = 1; |
643 | } |
644 | else { |
645 | $is_header = 0; |
646 | } |
647 | |
648 | return $is_header; |
c07a80fd |
649 | } |
650 | |
9c5c68c8 |
651 | |
b82fa0b7 |
652 | sub _open_test { |
653 | my($test) = shift; |
654 | |
655 | my $s = _set_switches($test); |
656 | |
657 | # XXX This is WAY too core specific! |
658 | my $cmd = ($ENV{'HARNESS_COMPILE_TEST'}) |
659 | ? "./perl -I../lib ../utils/perlcc $test " |
660 | . "-r 2>> ./compilelog |" |
661 | : "$^X $s $test|"; |
662 | $cmd = "MCR $cmd" if $^O eq 'VMS'; |
663 | |
664 | if( open(PERL, $cmd) ) { |
665 | return \*PERL; |
666 | } |
667 | else { |
668 | print "can't run $test. $!\n"; |
669 | return; |
670 | } |
671 | } |
672 | |
673 | sub _run_one_test { |
674 | my($test) = @_; |
675 | |
676 | |
677 | } |
678 | |
679 | |
9c5c68c8 |
680 | sub _parse_test_line { |
681 | my($line, $test, $tot) = @_; |
682 | |
683 | if ($line =~ /^(not\s+)?ok\b/i) { |
b82fa0b7 |
684 | my $this = $test->{'next'} || 1; |
9c5c68c8 |
685 | # "not ok 23" |
37ce32a7 |
686 | if ($line =~ /^(not )?ok\s*(\d*)(\s*#.*)?/) { |
687 | my($not, $tnum, $extra) = ($1, $2, $3); |
688 | |
689 | $this = $tnum if $tnum; |
690 | |
691 | my($type, $reason) = $extra =~ /^\s*#\s*([Ss]kip\S*|TODO)(\s+.+)?/ |
692 | if defined $extra; |
693 | |
694 | my($istodo, $isskip); |
695 | if( defined $type ) { |
696 | $istodo = $type =~ /TODO/; |
697 | $isskip = $type =~ /skip/i; |
698 | } |
699 | |
700 | $test->{todo}{$tnum} = 1 if $istodo; |
701 | |
702 | if( $not ) { |
703 | print "$test->{ml}NOK $this" if $test->{ml}; |
704 | if (!$test->{todo}{$this}) { |
705 | push @{$test->{failed}}, $this; |
706 | } else { |
707 | $test->{ok}++; |
708 | $tot->{ok}++; |
709 | } |
710 | } |
711 | else { |
712 | print "$test->{ml}ok $this/$test->{max}" if $test->{ml}; |
713 | $test->{ok}++; |
714 | $tot->{ok}++; |
715 | $test->{skipped}++ if $isskip; |
716 | |
723ca54d |
717 | $reason = '[no reason given]' |
718 | if $isskip and not defined $reason; |
37ce32a7 |
719 | if (defined $reason and defined $test->{skip_reason}) { |
720 | # print "was: '$skip_reason' new '$reason'\n"; |
721 | $test->{skip_reason} = 'various reasons' |
722 | if $test->{skip_reason} ne $reason; |
723 | } elsif (defined $reason) { |
724 | $test->{skip_reason} = $reason; |
725 | } |
726 | |
727 | $test->{bonus}++, $tot->{bonus}++ if $test->{todo}{$this}; |
728 | } |
9c5c68c8 |
729 | } |
730 | # XXX ummm... dunno |
731 | elsif ($line =~ /^ok\s*(\d*)\s*\#([^\r]*)$/) { # XXX multiline ok? |
732 | $this = $1 if $1 > 0; |
733 | print "$test->{ml}ok $this/$test->{max}" if $test->{ml}; |
734 | $test->{ok}++; |
735 | $tot->{ok}++; |
736 | } |
737 | else { |
738 | # an ok or not ok not matching the 3 cases above... |
739 | # just ignore it for compatibility with TEST |
740 | next; |
741 | } |
742 | |
b82fa0b7 |
743 | if ($this > $test->{'next'}) { |
9c5c68c8 |
744 | # print "Test output counter mismatch [test $this]\n"; |
745 | # no need to warn probably |
b82fa0b7 |
746 | push @{$test->{failed}}, $test->{'next'}..$this-1; |
9c5c68c8 |
747 | } |
b82fa0b7 |
748 | elsif ($this < $test->{'next'}) { |
9c5c68c8 |
749 | #we have seen more "ok" lines than the number suggests |
750 | print "Confused test output: test $this answered after ". |
b82fa0b7 |
751 | "test ", $test->{'next'}-1, "\n"; |
752 | $test->{'next'} = $this; |
9c5c68c8 |
753 | } |
b82fa0b7 |
754 | $test->{'next'} = $this + 1; |
9c5c68c8 |
755 | |
756 | } |
757 | elsif ($line =~ /^Bail out!\s*(.*)/i) { # magic words |
758 | die "FAILED--Further testing stopped" . |
759 | ($1 ? ": $1\n" : ".\n"); |
760 | } |
761 | } |
762 | |
763 | |
764 | sub _bonusmsg { |
765 | my($tot) = @_; |
766 | |
767 | my $bonusmsg = ''; |
768 | $bonusmsg = (" ($tot->{bonus} subtest".($tot->{bonus} > 1 ? 's' : ''). |
769 | " UNEXPECTEDLY SUCCEEDED)") |
770 | if $tot->{bonus}; |
771 | |
772 | if ($tot->{skipped}) { |
773 | $bonusmsg .= ", $tot->{skipped} test" |
774 | . ($tot->{skipped} != 1 ? 's' : ''); |
775 | if ($tot->{sub_skipped}) { |
776 | $bonusmsg .= " and $tot->{sub_skipped} subtest" |
777 | . ($tot->{sub_skipped} != 1 ? 's' : ''); |
778 | } |
779 | $bonusmsg .= ' skipped'; |
780 | } |
781 | elsif ($tot->{sub_skipped}) { |
782 | $bonusmsg .= ", $tot->{sub_skipped} subtest" |
783 | . ($tot->{sub_skipped} != 1 ? 's' : '') |
784 | . " skipped"; |
785 | } |
786 | |
787 | return $bonusmsg; |
788 | } |
789 | |
790 | # VMS has some subtle nastiness with closing the test files. |
791 | sub _close_fh { |
792 | my($fh) = shift; |
793 | |
794 | close($fh); # must close to reap child resource values |
795 | |
796 | my $wstatus = $Ignore_Exitcode ? 0 : $?; # Can trust $? ? |
797 | my $estatus; |
798 | $estatus = ($^O eq 'VMS' |
799 | ? eval 'use vmsish "status"; $estatus = $?' |
800 | : $wstatus >> 8); |
801 | |
802 | return($estatus, $wstatus); |
803 | } |
804 | |
805 | |
806 | # Set up the command-line switches to run perl as. |
807 | sub _set_switches { |
808 | my($test) = shift; |
809 | |
b82fa0b7 |
810 | local *TEST; |
811 | open(TEST, $test) or print "can't open $test. $!\n"; |
812 | my $first = <TEST>; |
9c5c68c8 |
813 | my $s = $Switches; |
814 | $s .= " $ENV{'HARNESS_PERL_SWITCHES'}" |
815 | if exists $ENV{'HARNESS_PERL_SWITCHES'}; |
816 | $s .= join " ", q[ "-T"], map {qq["-I$_"]} @INC |
817 | if $first =~ /^#!.*\bperl.*-\w*T/; |
818 | |
b82fa0b7 |
819 | close(TEST) or print "can't close $test. $!\n"; |
9c5c68c8 |
820 | |
821 | return $s; |
822 | } |
823 | |
824 | |
825 | # Test program go boom. |
826 | sub _dubious_return { |
827 | my($test, $tot, $estatus, $wstatus) = @_; |
828 | my ($failed, $canon, $percent) = ('??', '??'); |
829 | |
830 | printf "$test->{ml}dubious\n\tTest returned status $estatus ". |
831 | "(wstat %d, 0x%x)\n", |
832 | $wstatus,$wstatus; |
833 | print "\t\t(VMS status is $estatus)\n" if $^O eq 'VMS'; |
834 | |
835 | if (corestatus($wstatus)) { # until we have a wait module |
836 | if ($Have_Devel_Corestack) { |
837 | Devel::CoreStack::stack($^X); |
838 | } else { |
839 | print "\ttest program seems to have generated a core\n"; |
840 | } |
841 | } |
842 | |
843 | $tot->{bad}++; |
844 | |
845 | if ($test->{max}) { |
b82fa0b7 |
846 | if ($test->{'next'} == $test->{max} + 1 and not @{$test->{failed}}) { |
9c5c68c8 |
847 | print "\tafter all the subtests completed successfully\n"; |
848 | $percent = 0; |
849 | $failed = 0; # But we do not set $canon! |
850 | } |
851 | else { |
b82fa0b7 |
852 | push @{$test->{failed}}, $test->{'next'}..$test->{max}; |
9c5c68c8 |
853 | $failed = @{$test->{failed}}; |
854 | (my $txt, $canon) = canonfailed($test->{max},$test->{skipped},@{$test->{failed}}); |
855 | $percent = 100*(scalar @{$test->{failed}})/$test->{max}; |
856 | print "DIED. ",$txt; |
857 | } |
858 | } |
859 | |
860 | return { canon => $canon, max => $test->{max} || '??', |
861 | failed => $failed, |
66fd8cb9 |
862 | percent => $percent, |
9c5c68c8 |
863 | estat => $estatus, wstat => $wstatus, |
864 | }; |
865 | } |
866 | |
867 | |
868 | sub _garbled_output { |
869 | my($gibberish) = shift; |
870 | warn "Confusing test output: '$gibberish'\n"; |
871 | } |
872 | |
873 | |
874 | sub _create_fmts { |
875 | my($failedtests) = @_; |
876 | |
b82fa0b7 |
877 | my $failed_str = "Failed Test"; |
878 | my $middle_str = " Stat Wstat Total Fail Failed "; |
9c5c68c8 |
879 | my $list_str = "List of Failed"; |
880 | |
881 | # Figure out our longest name string for formatting purposes. |
882 | my $max_namelen = length($failed_str); |
883 | foreach my $script (keys %$failedtests) { |
884 | my $namelen = length $failedtests->{$script}->{name}; |
885 | $max_namelen = $namelen if $namelen > $max_namelen; |
886 | } |
887 | |
888 | my $list_len = $Columns - length($middle_str) - $max_namelen; |
889 | if ($list_len < length($list_str)) { |
890 | $list_len = length($list_str); |
891 | $max_namelen = $Columns - length($middle_str) - $list_len; |
892 | if ($max_namelen < length($failed_str)) { |
893 | $max_namelen = length($failed_str); |
894 | $Columns = $max_namelen + length($middle_str) + $list_len; |
895 | } |
896 | } |
897 | |
898 | my $fmt_top = "format STDOUT_TOP =\n" |
b82fa0b7 |
899 | . sprintf("%-${max_namelen}s", $failed_str) |
9c5c68c8 |
900 | . $middle_str |
901 | . $list_str . "\n" |
902 | . "-" x $Columns |
903 | . "\n.\n"; |
904 | |
905 | my $fmt = "format STDOUT =\n" |
906 | . "@" . "<" x ($max_namelen - 1) |
b82fa0b7 |
907 | . " @>> @>>>> @>>>> @>>> ^##.##% " |
9c5c68c8 |
908 | . "^" . "<" x ($list_len - 1) . "\n" |
909 | . '{ $Curtest->{name}, $Curtest->{estat},' |
910 | . ' $Curtest->{wstat}, $Curtest->{max},' |
911 | . ' $Curtest->{failed}, $Curtest->{percent},' |
912 | . ' $Curtest->{canon}' |
913 | . "\n}\n" |
914 | . "~~" . " " x ($Columns - $list_len - 2) . "^" |
915 | . "<" x ($list_len - 1) . "\n" |
916 | . '$Curtest->{canon}' |
917 | . "\n.\n"; |
918 | |
919 | eval $fmt_top; |
920 | die $@ if $@; |
921 | eval $fmt; |
922 | die $@ if $@; |
923 | |
924 | return($fmt_top, $fmt); |
925 | } |
926 | |
b82fa0b7 |
927 | { |
928 | my $tried_devel_corestack; |
9c5c68c8 |
929 | |
b82fa0b7 |
930 | sub corestatus { |
931 | my($st) = @_; |
c0ee6f5c |
932 | |
b82fa0b7 |
933 | eval {require 'wait.ph'}; |
934 | my $ret = defined &WCOREDUMP ? WCOREDUMP($st) : $st & 0200; |
c0ee6f5c |
935 | |
b82fa0b7 |
936 | eval { require Devel::CoreStack; $Have_Devel_Corestack++ } |
937 | unless $tried_devel_corestack++; |
c0ee6f5c |
938 | |
b82fa0b7 |
939 | $ret; |
940 | } |
c0ee6f5c |
941 | } |
942 | |
c07a80fd |
943 | sub canonfailed ($@) { |
89d3b7e2 |
944 | my($max,$skipped,@failed) = @_; |
6c31b336 |
945 | my %seen; |
946 | @failed = sort {$a <=> $b} grep !$seen{$_}++, @failed; |
c07a80fd |
947 | my $failed = @failed; |
948 | my @result = (); |
949 | my @canon = (); |
950 | my $min; |
951 | my $last = $min = shift @failed; |
760ac839 |
952 | my $canon; |
c07a80fd |
953 | if (@failed) { |
954 | for (@failed, $failed[-1]) { # don't forget the last one |
955 | if ($_ > $last+1 || $_ == $last) { |
956 | if ($min == $last) { |
957 | push @canon, $last; |
958 | } else { |
959 | push @canon, "$min-$last"; |
960 | } |
961 | $min = $_; |
962 | } |
963 | $last = $_; |
964 | } |
965 | local $" = ", "; |
966 | push @result, "FAILED tests @canon\n"; |
b82fa0b7 |
967 | $canon = join ' ', @canon; |
a0d0e21e |
968 | } else { |
c07a80fd |
969 | push @result, "FAILED test $last\n"; |
760ac839 |
970 | $canon = $last; |
a0d0e21e |
971 | } |
c07a80fd |
972 | |
973 | push @result, "\tFailed $failed/$max tests, "; |
89d3b7e2 |
974 | push @result, sprintf("%.2f",100*(1-$failed/$max)), "% okay"; |
975 | my $ender = 's' x ($skipped > 1); |
976 | my $good = $max - $failed - $skipped; |
977 | my $goodper = sprintf("%.2f",100*($good/$max)); |
9c5c68c8 |
978 | push @result, " (-$skipped skipped test$ender: $good okay, ". |
979 | "$goodper%)" |
980 | if $skipped; |
89d3b7e2 |
981 | push @result, "\n"; |
760ac839 |
982 | my $txt = join "", @result; |
983 | ($txt, $canon); |
a0d0e21e |
984 | } |
985 | |
b82fa0b7 |
986 | =end _private |
9c5c68c8 |
987 | |
b82fa0b7 |
988 | =back |
d667a7e6 |
989 | |
b82fa0b7 |
990 | =cut |
9c5c68c8 |
991 | |
9c5c68c8 |
992 | |
b82fa0b7 |
993 | 1; |
994 | __END__ |
9c5c68c8 |
995 | |
996 | |
cb1a09d0 |
997 | =head1 EXPORT |
998 | |
c0ee6f5c |
999 | C<&runtests> is exported by Test::Harness per default. |
cb1a09d0 |
1000 | |
9c5c68c8 |
1001 | C<$verbose> and C<$switches> are exported upon request. |
1002 | |
1003 | |
cb1a09d0 |
1004 | =head1 DIAGNOSTICS |
1005 | |
1006 | =over 4 |
1007 | |
1008 | =item C<All tests successful.\nFiles=%d, Tests=%d, %s> |
1009 | |
1010 | If all tests are successful some statistics about the performance are |
1011 | printed. |
1012 | |
6c31b336 |
1013 | =item C<FAILED tests %s\n\tFailed %d/%d tests, %.2f%% okay.> |
1014 | |
1015 | For any single script that has failing subtests statistics like the |
1016 | above are printed. |
1017 | |
1018 | =item C<Test returned status %d (wstat %d)> |
1019 | |
9c5c68c8 |
1020 | Scripts that return a non-zero exit status, both C<$? E<gt>E<gt> 8> |
1021 | and C<$?> are printed in a message similar to the above. |
6c31b336 |
1022 | |
1023 | =item C<Failed 1 test, %.2f%% okay. %s> |
cb1a09d0 |
1024 | |
6c31b336 |
1025 | =item C<Failed %d/%d tests, %.2f%% okay. %s> |
cb1a09d0 |
1026 | |
1027 | If not all tests were successful, the script dies with one of the |
1028 | above messages. |
1029 | |
d667a7e6 |
1030 | =item C<FAILED--Further testing stopped%s> |
1031 | |
1032 | If a single subtest decides that further testing will not make sense, |
1033 | the script dies with this message. |
1034 | |
cb1a09d0 |
1035 | =back |
1036 | |
9b0ceca9 |
1037 | =head1 ENVIRONMENT |
1038 | |
37ce32a7 |
1039 | =over 4 |
1040 | |
b82fa0b7 |
1041 | =item C<HARNESS_IGNORE_EXITCODE> |
37ce32a7 |
1042 | |
1043 | Makes harness ignore the exit status of child processes when defined. |
1044 | |
b82fa0b7 |
1045 | =item C<HARNESS_NOTTY> |
9b0ceca9 |
1046 | |
37ce32a7 |
1047 | When set to a true value, forces it to behave as though STDOUT were |
1048 | not a console. You may need to set this if you don't want harness to |
1049 | output more frequent progress messages using carriage returns. Some |
1050 | consoles may not handle carriage returns properly (which results in a |
1051 | somewhat messy output). |
0d0c0d42 |
1052 | |
b82fa0b7 |
1053 | =item C<HARNESS_COMPILE_TEST> |
9636a016 |
1054 | |
37ce32a7 |
1055 | When true it will make harness attempt to compile the test using |
1056 | C<perlcc> before running it. |
1057 | |
b82fa0b7 |
1058 | B<NOTE> This currently only works when sitting in the perl source |
1059 | directory! |
1060 | |
1061 | =item C<HARNESS_FILELEAK_IN_DIR> |
37ce32a7 |
1062 | |
1063 | When set to the name of a directory, harness will check after each |
1064 | test whether new files appeared in that directory, and report them as |
17a79f5b |
1065 | |
1066 | LEAKED FILES: scr.tmp 0 my.db |
1067 | |
1068 | If relative, directory name is with respect to the current directory at |
1069 | the moment runtests() was called. Putting absolute path into |
1070 | C<HARNESS_FILELEAK_IN_DIR> may give more predicatable results. |
1071 | |
b82fa0b7 |
1072 | =item C<HARNESS_PERL_SWITCHES> |
37ce32a7 |
1073 | |
1074 | Its value will be prepended to the switches used to invoke perl on |
b82fa0b7 |
1075 | each test. For example, setting C<HARNESS_PERL_SWITCHES> to C<-W> will |
37ce32a7 |
1076 | run all tests with all warnings enabled. |
1077 | |
b82fa0b7 |
1078 | =item C<HARNESS_COLUMNS> |
37ce32a7 |
1079 | |
1080 | This value will be used for the width of the terminal. If it is not |
1081 | set then it will default to C<COLUMNS>. If this is not set, it will |
1082 | default to 80. Note that users of Bourne-sh based shells will need to |
1083 | C<export COLUMNS> for this module to use that variable. |
2b32313b |
1084 | |
b82fa0b7 |
1085 | =item C<HARNESS_ACTIVE> |
37ce32a7 |
1086 | |
1087 | Harness sets this before executing the individual tests. This allows |
1088 | the tests to determine if they are being executed through the harness |
1089 | or by any other means. |
1090 | |
1091 | =back |
0a931e4a |
1092 | |
b82fa0b7 |
1093 | =head1 EXAMPLE |
1094 | |
1095 | Here's how Test::Harness tests itself |
1096 | |
1097 | $ cd ~/src/devel/Test-Harness |
1098 | $ perl -Mblib -e 'use Test::Harness qw(&runtests $verbose); |
1099 | $verbose=0; runtests @ARGV;' t/*.t |
1100 | Using /home/schwern/src/devel/Test-Harness/blib |
1101 | t/base..............ok |
1102 | t/nonumbers.........ok |
1103 | t/ok................ok |
1104 | t/test-harness......ok |
1105 | All tests successful. |
1106 | Files=4, Tests=24, 2 wallclock secs ( 0.61 cusr + 0.41 csys = 1.02 CPU) |
f19ae7a7 |
1107 | |
cb1a09d0 |
1108 | =head1 SEE ALSO |
1109 | |
b82fa0b7 |
1110 | L<Test> and L<Test::Simple> for writing test scripts, L<Benchmark> for |
1111 | the underlying timing routines, L<Devel::CoreStack> to generate core |
1112 | dumps from failed tests and L<Devel::Cover> for test coverage |
1113 | analysis. |
c07a80fd |
1114 | |
1115 | =head1 AUTHORS |
1116 | |
1117 | Either Tim Bunce or Andreas Koenig, we don't know. What we know for |
1118 | sure is, that it was inspired by Larry Wall's TEST script that came |
b876d4a6 |
1119 | with perl distributions for ages. Numerous anonymous contributors |
b82fa0b7 |
1120 | exist. Andreas Koenig held the torch for many years. |
1121 | |
1122 | Current maintainer is Michael G Schwern E<lt>schwern@pobox.comE<gt> |
1123 | |
1124 | =head1 TODO |
1125 | |
1126 | Provide a way of running tests quietly (ie. no printing) for automated |
1127 | validation of tests. This will probably take the form of a version |
1128 | of runtests() which rather than printing its output returns raw data |
1129 | on the state of the tests. |
1130 | |
1131 | Fix HARNESS_COMPILE_TEST without breaking its core usage. |
1132 | |
1133 | Figure a way to report test names in the failure summary. |
37ce32a7 |
1134 | |
b82fa0b7 |
1135 | Rework the test summary so long test names are not truncated as badly. |
1136 | |
1137 | Merge back into bleadperl. |
1138 | |
1139 | Deal with VMS's "not \nok 4\n" mistake. |
1140 | |
1141 | Add option for coverage analysis. |
1142 | |
1143 | =for _private |
1144 | Keeping whittling away at _run_all_tests() |
1145 | |
1146 | =for _private |
1147 | Clean up how the summary is printed. Get rid of those damned formats. |
cb1a09d0 |
1148 | |
1149 | =head1 BUGS |
1150 | |
1151 | Test::Harness uses $^X to determine the perl binary to run the tests |
6c31b336 |
1152 | with. Test scripts running via the shebang (C<#!>) line may not be |
1153 | portable because $^X is not consistent for shebang scripts across |
cb1a09d0 |
1154 | platforms. This is no problem when Test::Harness is run with an |
6c31b336 |
1155 | absolute path to the perl binary or when $^X can be found in the path. |
cb1a09d0 |
1156 | |
b82fa0b7 |
1157 | HARNESS_COMPILE_TEST currently assumes its run from the Perl source |
1158 | directory. |
1159 | |
cb1a09d0 |
1160 | =cut |