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1 | # -*- Mode: cperl; cperl-indent-level: 4 -*- |
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2 | # $Id: Harness.pm,v 1.14.2.18 2002/04/25 05:04:35 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; |
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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 = '2.03'; |
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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 = $ENV{HARNESS_VERBOSE} || 0; |
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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 | |
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90 | This header tells how many tests there will be. For example, C<1..10> |
91 | means you plan on running 10 tests. This is a safeguard in case your |
92 | test dies quietly in the middle of its run. |
93 | |
94 | It should be the first non-comment line output by your test program. |
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95 | |
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96 | In certain instances, you may not know how many tests you will |
97 | ultimately be running. In this case, it is permitted for the 1..M |
98 | header to appear as the B<last> line output by your test (again, it |
99 | can be followed by further comments). |
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100 | |
101 | Under B<no> circumstances should 1..M appear in the middle of your |
102 | output or more than once. |
103 | |
104 | |
105 | =item B<'ok', 'not ok'. Ok?> |
106 | |
107 | Any output from the testscript to standard error is ignored and |
108 | bypassed, thus will be seen by the user. Lines written to standard |
109 | output containing C</^(not\s+)?ok\b/> are interpreted as feedback for |
110 | runtests(). All other lines are discarded. |
111 | |
112 | C</^not ok/> indicates a failed test. C</^ok/> is a successful test. |
113 | |
114 | |
115 | =item B<test numbers> |
116 | |
117 | Perl normally expects the 'ok' or 'not ok' to be followed by a test |
118 | number. It is tolerated if the test numbers after 'ok' are |
119 | omitted. In this case Test::Harness maintains temporarily its own |
120 | counter until the script supplies test numbers again. So the following |
121 | test script |
122 | |
123 | print <<END; |
124 | 1..6 |
125 | not ok |
126 | ok |
127 | not ok |
128 | ok |
129 | ok |
130 | END |
131 | |
132 | will generate |
133 | |
134 | FAILED tests 1, 3, 6 |
135 | Failed 3/6 tests, 50.00% okay |
136 | |
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137 | =item B<test names> |
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138 | |
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139 | Anything after the test number but before the # is considered to be |
140 | the name of the test. |
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141 | |
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142 | ok 42 this is the name of the test |
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143 | |
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144 | Currently, Test::Harness does nothing with this information. |
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145 | |
146 | =item B<Skipping tests> |
147 | |
148 | If the standard output line contains the substring C< # Skip> (with |
149 | variations in spacing and case) after C<ok> or C<ok NUMBER>, it is |
150 | counted as a skipped test. If the whole testscript succeeds, the |
151 | count of skipped tests is included in the generated output. |
152 | C<Test::Harness> reports the text after C< # Skip\S*\s+> as a reason |
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153 | for skipping. |
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154 | |
155 | ok 23 # skip Insufficient flogiston pressure. |
156 | |
157 | Similarly, one can include a similar explanation in a C<1..0> line |
158 | emitted if the test script is skipped completely: |
159 | |
160 | 1..0 # Skipped: no leverage found |
161 | |
162 | =item B<Todo tests> |
163 | |
164 | If the standard output line contains the substring C< # TODO> after |
165 | C<not ok> or C<not ok NUMBER>, it is counted as a todo test. The text |
166 | afterwards is the thing that has to be done before this test will |
167 | succeed. |
168 | |
169 | not ok 13 # TODO harness the power of the atom |
170 | |
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171 | =begin _deprecated |
172 | |
173 | Alternatively, you can specify a list of what tests are todo as part |
174 | of the test header. |
175 | |
176 | 1..23 todo 5 12 23 |
177 | |
178 | This only works if the header appears at the beginning of the test. |
179 | |
180 | This style is B<deprecated>. |
181 | |
182 | =end _deprecated |
183 | |
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184 | These tests represent a feature to be implemented or a bug to be fixed |
185 | and act as something of an executable "thing to do" list. They are |
186 | B<not> expected to succeed. Should a todo test begin succeeding, |
187 | Test::Harness will report it as a bonus. This indicates that whatever |
188 | you were supposed to do has been done and you should promote this to a |
189 | normal test. |
190 | |
191 | =item B<Bail out!> |
192 | |
193 | As an emergency measure, a test script can decide that further tests |
194 | are useless (e.g. missing dependencies) and testing should stop |
195 | immediately. In that case the test script prints the magic words |
196 | |
197 | Bail out! |
198 | |
199 | to standard output. Any message after these words will be displayed by |
200 | C<Test::Harness> as the reason why testing is stopped. |
201 | |
202 | =item B<Comments> |
203 | |
204 | Additional comments may be put into the testing output on their own |
205 | lines. Comment lines should begin with a '#', Test::Harness will |
206 | ignore them. |
207 | |
208 | ok 1 |
209 | # Life is good, the sun is shining, RAM is cheap. |
210 | not ok 2 |
211 | # got 'Bush' expected 'Gore' |
212 | |
213 | =item B<Anything else> |
214 | |
215 | Any other output Test::Harness sees it will silently ignore B<BUT WE |
216 | PLAN TO CHANGE THIS!> If you wish to place additional output in your |
217 | test script, please use a comment. |
218 | |
219 | =back |
220 | |
221 | |
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222 | =head2 Taint mode |
223 | |
224 | Test::Harness will honor the C<-T> in the #! line on your test files. So |
225 | if you begin a test with: |
226 | |
227 | #!perl -T |
228 | |
229 | the test will be run with taint mode on. |
230 | |
231 | |
232 | =head2 Configuration variables. |
233 | |
234 | These variables can be used to configure the behavior of |
235 | Test::Harness. They are exported on request. |
236 | |
237 | =over 4 |
238 | |
239 | =item B<$Test::Harness::verbose> |
240 | |
241 | The global variable $Test::Harness::verbose is exportable and can be |
242 | used to let runtests() display the standard output of the script |
243 | without altering the behavior otherwise. |
244 | |
245 | =item B<$Test::Harness::switches> |
246 | |
247 | The global variable $Test::Harness::switches is exportable and can be |
248 | used to set perl command line options used for running the test |
249 | script(s). The default value is C<-w>. |
250 | |
251 | =back |
252 | |
253 | |
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254 | =head2 Failure |
255 | |
256 | It will happen, your tests will fail. After you mop up your ego, you |
257 | can begin examining the summary report: |
258 | |
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259 | t/base..............ok |
260 | t/nonumbers.........ok |
261 | t/ok................ok |
262 | t/test-harness......ok |
263 | t/waterloo..........dubious |
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264 | Test returned status 3 (wstat 768, 0x300) |
265 | DIED. FAILED tests 1, 3, 5, 7, 9, 11, 13, 15, 17, 19 |
266 | Failed 10/20 tests, 50.00% okay |
267 | Failed Test Stat Wstat Total Fail Failed List of Failed |
268 | ----------------------------------------------------------------------- |
269 | t/waterloo.t 3 768 20 10 50.00% 1 3 5 7 9 11 13 15 17 19 |
270 | Failed 1/5 test scripts, 80.00% okay. 10/44 subtests failed, 77.27% okay. |
271 | |
272 | Everything passed but t/waterloo.t. It failed 10 of 20 tests and |
273 | exited with non-zero status indicating something dubious happened. |
274 | |
275 | The columns in the summary report mean: |
276 | |
277 | =over 4 |
278 | |
279 | =item B<Failed Test> |
280 | |
281 | The test file which failed. |
282 | |
283 | =item B<Stat> |
284 | |
285 | If the test exited with non-zero, this is its exit status. |
286 | |
287 | =item B<Wstat> |
288 | |
289 | The wait status of the test I<umm, I need a better explanation here>. |
290 | |
291 | =item B<Total> |
292 | |
293 | Total number of tests expected to run. |
294 | |
295 | =item B<Fail> |
296 | |
297 | Number which failed, either from "not ok" or because they never ran. |
298 | |
299 | =item B<Failed> |
300 | |
301 | Percentage of the total tests which failed. |
302 | |
303 | =item B<List of Failed> |
304 | |
305 | A list of the tests which failed. Successive failures may be |
306 | abbreviated (ie. 15-20 to indicate that tests 15, 16, 17, 18, 19 and |
307 | 20 failed). |
308 | |
309 | =back |
310 | |
311 | |
312 | =head2 Functions |
313 | |
314 | Test::Harness currently only has one function, here it is. |
315 | |
316 | =over 4 |
317 | |
318 | =item B<runtests> |
319 | |
320 | my $allok = runtests(@test_files); |
321 | |
322 | This runs all the given @test_files and divines whether they passed |
323 | or failed based on their output to STDOUT (details above). It prints |
324 | out each individual test which failed along with a summary report and |
325 | a how long it all took. |
326 | |
327 | It returns true if everything was ok, false otherwise. |
328 | |
329 | =for _private |
330 | This is just _run_all_tests() plus _show_results() |
331 | |
332 | =cut |
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333 | |
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334 | sub runtests { |
335 | my(@tests) = @_; |
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336 | |
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337 | local ($\, $,); |
338 | |
339 | my($tot, $failedtests) = _run_all_tests(@tests); |
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340 | _show_results($tot, $failedtests); |
341 | |
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342 | my $ok = _all_ok($tot); |
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343 | |
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344 | assert(($ok xor keys %$failedtests), |
345 | q{ok status jives with $failedtests}); |
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346 | |
347 | return $ok; |
348 | } |
349 | |
350 | =begin _private |
351 | |
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352 | =item B<_all_ok> |
353 | |
354 | my $ok = _all_ok(\%tot); |
355 | |
356 | Tells you if this test run is overall successful or not. |
357 | |
358 | =cut |
359 | |
360 | sub _all_ok { |
361 | my($tot) = shift; |
362 | |
363 | return $tot->{bad} == 0 && ($tot->{max} || $tot->{skipped}) ? 1 : 0; |
364 | } |
365 | |
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366 | =item B<_globdir> |
367 | |
368 | my @files = _globdir $dir; |
369 | |
370 | Returns all the files in a directory. This is shorthand for backwards |
371 | compatibility on systems where glob() doesn't work right. |
372 | |
373 | =cut |
374 | |
375 | sub _globdir { |
376 | opendir DIRH, shift; |
377 | my @f = readdir DIRH; |
378 | closedir DIRH; |
379 | |
380 | return @f; |
9c5c68c8 |
381 | } |
382 | |
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383 | =item B<_run_all_tests> |
384 | |
385 | my($total, $failed) = _run_all_tests(@test_files); |
386 | |
387 | Runs all the given @test_files (as runtests()) but does it quietly (no |
388 | report). $total is a hash ref summary of all the tests run. Its keys |
389 | and values are this: |
390 | |
391 | bonus Number of individual todo tests unexpectedly passed |
392 | max Number of individual tests ran |
393 | ok Number of individual tests passed |
394 | sub_skipped Number of individual tests skipped |
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395 | todo Number of individual todo tests |
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396 | |
397 | files Number of test files ran |
398 | good Number of test files passed |
399 | bad Number of test files failed |
400 | tests Number of test files originally given |
401 | skipped Number of test files skipped |
402 | |
403 | If $total->{bad} == 0 and $total->{max} > 0, you've got a successful |
404 | test. |
405 | |
406 | $failed is a hash ref of all the test scripts which failed. Each key |
407 | is the name of a test script, each value is another hash representing |
408 | how that script failed. Its keys are these: |
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409 | |
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410 | name Name of the test which failed |
411 | estat Script's exit value |
412 | wstat Script's wait status |
413 | max Number of individual tests |
414 | failed Number which failed |
415 | percent Percentage of tests which failed |
416 | canon List of tests which failed (as string). |
417 | |
418 | Needless to say, $failed should be empty if everything passed. |
419 | |
420 | B<NOTE> Currently this function is still noisy. I'm working on it. |
421 | |
422 | =cut |
423 | |
424 | sub _run_all_tests { |
9c5c68c8 |
425 | my(@tests) = @_; |
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426 | local($|) = 1; |
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427 | my(%failedtests); |
428 | |
429 | # Test-wide totals. |
430 | my(%tot) = ( |
431 | bonus => 0, |
432 | max => 0, |
433 | ok => 0, |
434 | files => 0, |
435 | bad => 0, |
436 | good => 0, |
437 | tests => scalar @tests, |
438 | sub_skipped => 0, |
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439 | todo => 0, |
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440 | skipped => 0, |
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441 | bench => 0, |
9c5c68c8 |
442 | ); |
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443 | |
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444 | local($ENV{'PERL5LIB'}) = $Strap->_INC2PERL5LIB; |
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445 | |
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446 | my @dir_files = _globdir $Files_In_Dir if defined $Files_In_Dir; |
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447 | my $t_start = new Benchmark; |
9c5c68c8 |
448 | |
13287dd5 |
449 | my $width = _leader_width(@tests); |
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450 | foreach my $tfile (@tests) { |
13287dd5 |
451 | $Strap->_reset_file_state; |
452 | |
7a315204 |
453 | my($leader, $ml) = _mk_leader($tfile, $width); |
b82fa0b7 |
454 | print $leader; |
9c5c68c8 |
455 | |
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456 | my $fh = _open_test($tfile); |
9c5c68c8 |
457 | |
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458 | $tot{files}++; |
459 | |
9c5c68c8 |
460 | # state of the current test. |
461 | my %test = ( |
462 | ok => 0, |
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463 | 'next' => 0, |
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464 | max => 0, |
465 | failed => [], |
466 | todo => {}, |
467 | bonus => 0, |
468 | skipped => 0, |
469 | skip_reason => undef, |
470 | ml => $ml, |
471 | ); |
472 | |
473 | my($seen_header, $tests_seen) = (0,0); |
2fe373ce |
474 | while (<$fh>) { |
13287dd5 |
475 | print if $Verbose; |
476 | |
477 | $Strap->{line}++; |
9c5c68c8 |
478 | if( _parse_header($_, \%test, \%tot) ) { |
479 | warn "Test header seen twice!\n" if $seen_header; |
480 | |
481 | $seen_header = 1; |
482 | |
483 | warn "1..M can only appear at the beginning or end of tests\n" |
484 | if $tests_seen && $test{max} < $tests_seen; |
485 | } |
486 | elsif( _parse_test_line($_, \%test, \%tot) ) { |
487 | $tests_seen++; |
d667a7e6 |
488 | } |
9c5c68c8 |
489 | # else, ignore it. |
2fe373ce |
490 | } |
9c5c68c8 |
491 | |
492 | my($estatus, $wstatus) = _close_fh($fh); |
493 | |
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494 | my $allok = $test{ok} == $test{max} && $test{'next'} == $test{max}+1; |
495 | |
2fe373ce |
496 | if ($wstatus) { |
b82fa0b7 |
497 | $failedtests{$tfile} = _dubious_return(\%test, \%tot, |
9c5c68c8 |
498 | $estatus, $wstatus); |
b82fa0b7 |
499 | $failedtests{$tfile}{name} = $tfile; |
2fe373ce |
500 | } |
b82fa0b7 |
501 | elsif ($allok) { |
2fe373ce |
502 | if ($test{max} and $test{skipped} + $test{bonus}) { |
503 | my @msg; |
504 | push(@msg, "$test{skipped}/$test{max} skipped: $test{skip_reason}") |
505 | if $test{skipped}; |
506 | push(@msg, "$test{bonus}/$test{max} unexpectedly succeeded") |
507 | if $test{bonus}; |
508 | print "$test{ml}ok, ".join(', ', @msg)."\n"; |
509 | } elsif ($test{max}) { |
510 | print "$test{ml}ok\n"; |
511 | } elsif (defined $test{skip_reason}) { |
512 | print "skipped: $test{skip_reason}\n"; |
513 | $tot{skipped}++; |
514 | } else { |
515 | print "skipped test on this platform\n"; |
516 | $tot{skipped}++; |
517 | } |
518 | $tot{good}++; |
519 | } |
b82fa0b7 |
520 | else { |
521 | if ($test{max}) { |
522 | if ($test{'next'} <= $test{max}) { |
523 | push @{$test{failed}}, $test{'next'}..$test{max}; |
524 | } |
525 | if (@{$test{failed}}) { |
526 | my ($txt, $canon) = canonfailed($test{max},$test{skipped}, |
527 | @{$test{failed}}); |
528 | print "$test{ml}$txt"; |
529 | $failedtests{$tfile} = { canon => $canon, |
530 | max => $test{max}, |
531 | failed => scalar @{$test{failed}}, |
532 | name => $tfile, |
533 | percent => 100*(scalar @{$test{failed}})/$test{max}, |
534 | estat => '', |
535 | wstat => '', |
536 | }; |
537 | } else { |
538 | print "Don't know which tests failed: got $test{ok} ok, ". |
539 | "expected $test{max}\n"; |
540 | $failedtests{$tfile} = { canon => '??', |
541 | max => $test{max}, |
542 | failed => '??', |
543 | name => $tfile, |
544 | percent => undef, |
545 | estat => '', |
546 | wstat => '', |
547 | }; |
548 | } |
549 | $tot{bad}++; |
550 | } elsif ($test{'next'} == 0) { |
551 | print "FAILED before any test output arrived\n"; |
552 | $tot{bad}++; |
553 | $failedtests{$tfile} = { canon => '??', |
554 | max => '??', |
555 | failed => '??', |
556 | name => $tfile, |
557 | percent => undef, |
558 | estat => '', |
559 | wstat => '', |
560 | }; |
561 | } |
562 | } |
563 | |
2fe373ce |
564 | $tot{sub_skipped} += $test{skipped}; |
565 | |
566 | if (defined $Files_In_Dir) { |
567 | my @new_dir_files = _globdir $Files_In_Dir; |
568 | if (@new_dir_files != @dir_files) { |
569 | my %f; |
570 | @f{@new_dir_files} = (1) x @new_dir_files; |
571 | delete @f{@dir_files}; |
572 | my @f = sort keys %f; |
573 | print "LEAKED FILES: @f\n"; |
574 | @dir_files = @new_dir_files; |
575 | } |
576 | } |
13287dd5 |
577 | |
578 | close $fh; |
a0d0e21e |
579 | } |
9c5c68c8 |
580 | $tot{bench} = timediff(new Benchmark, $t_start); |
d667a7e6 |
581 | |
13287dd5 |
582 | $Strap->_restore_PERL5LIB; |
9c5c68c8 |
583 | |
584 | return(\%tot, \%failedtests); |
585 | } |
586 | |
b82fa0b7 |
587 | =item B<_mk_leader> |
588 | |
7a315204 |
589 | my($leader, $ml) = _mk_leader($test_file, $width); |
b82fa0b7 |
590 | |
591 | Generates the 't/foo........' $leader for the given $test_file as well |
592 | as a similar version which will overwrite the current line (by use of |
593 | \r and such). $ml may be empty if Test::Harness doesn't think you're |
2fe373ce |
594 | on TTY. |
595 | |
596 | The $width is the width of the "yada/blah.." string. |
b82fa0b7 |
597 | |
598 | =cut |
599 | |
600 | sub _mk_leader { |
2fe373ce |
601 | my($te, $width) = @_; |
602 | chomp($te); |
b695f709 |
603 | $te =~ s/\.\w+$/./; |
b82fa0b7 |
604 | |
356733da |
605 | if ($^O eq 'VMS') { $te =~ s/^.*\.t\./\[.t./s; } |
b82fa0b7 |
606 | my $blank = (' ' x 77); |
7a315204 |
607 | my $leader = "$te" . '.' x ($width - length($te)); |
b82fa0b7 |
608 | my $ml = ""; |
609 | |
610 | $ml = "\r$blank\r$leader" |
611 | if -t STDOUT and not $ENV{HARNESS_NOTTY} and not $Verbose; |
612 | |
613 | return($leader, $ml); |
614 | } |
615 | |
13287dd5 |
616 | =item B<_leader_width> |
617 | |
618 | my($width) = _leader_width(@test_files); |
619 | |
620 | Calculates how wide the leader should be based on the length of the |
621 | longest test name. |
622 | |
623 | =cut |
624 | |
625 | sub _leader_width { |
626 | my $maxlen = 0; |
627 | my $maxsuflen = 0; |
628 | foreach (@_) { |
629 | my $suf = /\.(\w+)$/ ? $1 : ''; |
630 | my $len = length; |
631 | my $suflen = length $suf; |
632 | $maxlen = $len if $len > $maxlen; |
633 | $maxsuflen = $suflen if $suflen > $maxsuflen; |
634 | } |
356733da |
635 | # + 3 : we want three dots between the test name and the "ok" |
636 | return $maxlen + 3 - $maxsuflen; |
13287dd5 |
637 | } |
638 | |
9c5c68c8 |
639 | |
640 | sub _show_results { |
641 | my($tot, $failedtests) = @_; |
642 | |
643 | my $pct; |
644 | my $bonusmsg = _bonusmsg($tot); |
645 | |
2fe373ce |
646 | if (_all_ok($tot)) { |
647 | print "All tests successful$bonusmsg.\n"; |
648 | } elsif (!$tot->{tests}){ |
649 | die "FAILED--no tests were run for some reason.\n"; |
650 | } elsif (!$tot->{max}) { |
651 | my $blurb = $tot->{tests}==1 ? "script" : "scripts"; |
652 | die "FAILED--$tot->{tests} test $blurb could be run, ". |
9c5c68c8 |
653 | "alas--no output ever seen\n"; |
c07a80fd |
654 | } else { |
2fe373ce |
655 | $pct = sprintf("%.2f", $tot->{good} / $tot->{tests} * 100); |
656 | my $percent_ok = 100*$tot->{ok}/$tot->{max}; |
657 | my $subpct = sprintf " %d/%d subtests failed, %.2f%% okay.", |
658 | $tot->{max} - $tot->{ok}, $tot->{max}, |
659 | $percent_ok; |
0a931e4a |
660 | |
9c5c68c8 |
661 | my($fmt_top, $fmt) = _create_fmts($failedtests); |
0a931e4a |
662 | |
2fe373ce |
663 | # Now write to formats |
664 | for my $script (sort keys %$failedtests) { |
665 | $Curtest = $failedtests->{$script}; |
666 | write; |
667 | } |
668 | if ($tot->{bad}) { |
669 | $bonusmsg =~ s/^,\s*//; |
670 | print "$bonusmsg.\n" if $bonusmsg; |
671 | die "Failed $tot->{bad}/$tot->{tests} test scripts, $pct% okay.". |
9c5c68c8 |
672 | "$subpct\n"; |
2fe373ce |
673 | } |
c07a80fd |
674 | } |
f0a9308e |
675 | |
9c5c68c8 |
676 | printf("Files=%d, Tests=%d, %s\n", |
677 | $tot->{files}, $tot->{max}, timestr($tot->{bench}, 'nop')); |
678 | } |
679 | |
680 | |
681 | sub _parse_header { |
682 | my($line, $test, $tot) = @_; |
683 | |
684 | my $is_header = 0; |
685 | |
13287dd5 |
686 | if( $Strap->_is_header($line) ) { |
687 | $is_header = 1; |
9c5c68c8 |
688 | |
13287dd5 |
689 | $test->{max} = $Strap->{max}; |
690 | for ( keys %{$Strap->{todo}} ) { $test->{todo}{$_} = 1; } |
9c5c68c8 |
691 | |
13287dd5 |
692 | $test->{skip_reason} = $Strap->{skip_all} |
693 | if not $test->{max} and defined $Strap->{skip_all}; |
9c5c68c8 |
694 | |
b82fa0b7 |
695 | $test->{'next'} = 1 unless $test->{'next'}; |
9c5c68c8 |
696 | |
13287dd5 |
697 | |
698 | $tot->{max} += $test->{max}; |
9c5c68c8 |
699 | } |
700 | else { |
701 | $is_header = 0; |
702 | } |
703 | |
704 | return $is_header; |
c07a80fd |
705 | } |
706 | |
9c5c68c8 |
707 | |
b82fa0b7 |
708 | sub _open_test { |
709 | my($test) = shift; |
710 | |
711 | my $s = _set_switches($test); |
712 | |
356733da |
713 | my $perl = -x $^X ? $^X : $Config{perlpath}; |
714 | |
b82fa0b7 |
715 | # XXX This is WAY too core specific! |
716 | my $cmd = ($ENV{'HARNESS_COMPILE_TEST'}) |
717 | ? "./perl -I../lib ../utils/perlcc $test " |
2fe373ce |
718 | . "-r 2>> ./compilelog |" |
356733da |
719 | : "$perl $s $test|"; |
b82fa0b7 |
720 | $cmd = "MCR $cmd" if $^O eq 'VMS'; |
721 | |
722 | if( open(PERL, $cmd) ) { |
723 | return \*PERL; |
724 | } |
725 | else { |
726 | print "can't run $test. $!\n"; |
727 | return; |
728 | } |
729 | } |
730 | |
b82fa0b7 |
731 | |
9c5c68c8 |
732 | sub _parse_test_line { |
733 | my($line, $test, $tot) = @_; |
734 | |
13287dd5 |
735 | my %result; |
736 | if ( $Strap->_is_test($line, \%result) ) { |
2fe373ce |
737 | $test->{'next'} ||= 1; |
738 | my $this = $test->{'next'}; |
2fe373ce |
739 | |
13287dd5 |
740 | my($not, $tnum) = (!$result{ok}, $result{number}); |
2fe373ce |
741 | |
13287dd5 |
742 | $this = $tnum if $tnum; |
2fe373ce |
743 | |
13287dd5 |
744 | my($type, $reason) = ($result{type}, $result{reason}); |
2fe373ce |
745 | |
13287dd5 |
746 | my($istodo, $isskip); |
747 | if( defined $type ) { |
748 | $istodo = 1 if $type eq 'todo'; |
749 | $isskip = 1 if $type eq 'skip'; |
750 | } |
2fe373ce |
751 | |
13287dd5 |
752 | $test->{todo}{$this} = 1 if $istodo; |
356733da |
753 | if( $test->{todo}{$this} ) { |
754 | $tot->{todo}++; |
755 | $test->{bonus}++, $tot->{bonus}++ unless $not; |
756 | } |
2fe373ce |
757 | |
356733da |
758 | if( $not && !$test->{todo}{$this} ) { |
13287dd5 |
759 | print "$test->{ml}NOK $this" if $test->{ml}; |
356733da |
760 | push @{$test->{failed}}, $this; |
9c5c68c8 |
761 | } |
13287dd5 |
762 | else { |
9c5c68c8 |
763 | print "$test->{ml}ok $this/$test->{max}" if $test->{ml}; |
764 | $test->{ok}++; |
765 | $tot->{ok}++; |
13287dd5 |
766 | $test->{skipped}++ if $isskip; |
767 | |
768 | $reason = '[no reason given]' |
769 | if $isskip and not defined $reason; |
770 | if (defined $reason and defined $test->{skip_reason}) { |
771 | # print "was: '$skip_reason' new '$reason'\n"; |
772 | $test->{skip_reason} = 'various reasons' |
773 | if $test->{skip_reason} ne $reason; |
774 | } elsif (defined $reason) { |
775 | $test->{skip_reason} = $reason; |
776 | } |
9c5c68c8 |
777 | } |
778 | |
b82fa0b7 |
779 | if ($this > $test->{'next'}) { |
2fe373ce |
780 | print "Test output counter mismatch [test $this]\n"; |
356733da |
781 | |
782 | # Guard against resource starvation. |
783 | if( $this > 100000 ) { |
784 | print "Enourmous test number seen [test $this]\n"; |
785 | } |
786 | else { |
787 | push @{$test->{failed}}, $test->{'next'}..$this-1; |
788 | } |
9c5c68c8 |
789 | } |
b82fa0b7 |
790 | elsif ($this < $test->{'next'}) { |
9c5c68c8 |
791 | #we have seen more "ok" lines than the number suggests |
792 | print "Confused test output: test $this answered after ". |
b82fa0b7 |
793 | "test ", $test->{'next'}-1, "\n"; |
794 | $test->{'next'} = $this; |
9c5c68c8 |
795 | } |
b82fa0b7 |
796 | $test->{'next'} = $this + 1; |
9c5c68c8 |
797 | |
798 | } |
13287dd5 |
799 | else { |
800 | my $bail_reason; |
801 | if( $Strap->_is_bail_out($line, \$bail_reason) ) { # bail out! |
802 | die "FAILED--Further testing stopped" . |
803 | ($bail_reason ? ": $bail_reason\n" : ".\n"); |
804 | } |
9c5c68c8 |
805 | } |
806 | } |
807 | |
808 | |
809 | sub _bonusmsg { |
810 | my($tot) = @_; |
811 | |
812 | my $bonusmsg = ''; |
813 | $bonusmsg = (" ($tot->{bonus} subtest".($tot->{bonus} > 1 ? 's' : ''). |
2fe373ce |
814 | " UNEXPECTEDLY SUCCEEDED)") |
815 | if $tot->{bonus}; |
9c5c68c8 |
816 | |
817 | if ($tot->{skipped}) { |
2fe373ce |
818 | $bonusmsg .= ", $tot->{skipped} test" |
9c5c68c8 |
819 | . ($tot->{skipped} != 1 ? 's' : ''); |
2fe373ce |
820 | if ($tot->{sub_skipped}) { |
821 | $bonusmsg .= " and $tot->{sub_skipped} subtest" |
822 | . ($tot->{sub_skipped} != 1 ? 's' : ''); |
823 | } |
824 | $bonusmsg .= ' skipped'; |
9c5c68c8 |
825 | } |
826 | elsif ($tot->{sub_skipped}) { |
2fe373ce |
827 | $bonusmsg .= ", $tot->{sub_skipped} subtest" |
828 | . ($tot->{sub_skipped} != 1 ? 's' : '') |
829 | . " skipped"; |
9c5c68c8 |
830 | } |
831 | |
832 | return $bonusmsg; |
833 | } |
834 | |
835 | # VMS has some subtle nastiness with closing the test files. |
836 | sub _close_fh { |
837 | my($fh) = shift; |
838 | |
839 | close($fh); # must close to reap child resource values |
840 | |
2fe373ce |
841 | my $wstatus = $Ignore_Exitcode ? 0 : $?; # Can trust $? ? |
9c5c68c8 |
842 | my $estatus; |
843 | $estatus = ($^O eq 'VMS' |
844 | ? eval 'use vmsish "status"; $estatus = $?' |
845 | : $wstatus >> 8); |
846 | |
847 | return($estatus, $wstatus); |
848 | } |
849 | |
850 | |
851 | # Set up the command-line switches to run perl as. |
852 | sub _set_switches { |
853 | my($test) = shift; |
854 | |
9c5c68c8 |
855 | my $s = $Switches; |
13287dd5 |
856 | $s .= $Strap->_switches($test); |
9c5c68c8 |
857 | |
858 | return $s; |
859 | } |
860 | |
861 | |
862 | # Test program go boom. |
863 | sub _dubious_return { |
864 | my($test, $tot, $estatus, $wstatus) = @_; |
865 | my ($failed, $canon, $percent) = ('??', '??'); |
866 | |
867 | printf "$test->{ml}dubious\n\tTest returned status $estatus ". |
868 | "(wstat %d, 0x%x)\n", |
869 | $wstatus,$wstatus; |
870 | print "\t\t(VMS status is $estatus)\n" if $^O eq 'VMS'; |
871 | |
872 | if (corestatus($wstatus)) { # until we have a wait module |
873 | if ($Have_Devel_Corestack) { |
874 | Devel::CoreStack::stack($^X); |
875 | } else { |
876 | print "\ttest program seems to have generated a core\n"; |
877 | } |
878 | } |
879 | |
880 | $tot->{bad}++; |
881 | |
882 | if ($test->{max}) { |
b82fa0b7 |
883 | if ($test->{'next'} == $test->{max} + 1 and not @{$test->{failed}}) { |
9c5c68c8 |
884 | print "\tafter all the subtests completed successfully\n"; |
885 | $percent = 0; |
2fe373ce |
886 | $failed = 0; # But we do not set $canon! |
9c5c68c8 |
887 | } |
888 | else { |
b82fa0b7 |
889 | push @{$test->{failed}}, $test->{'next'}..$test->{max}; |
9c5c68c8 |
890 | $failed = @{$test->{failed}}; |
891 | (my $txt, $canon) = canonfailed($test->{max},$test->{skipped},@{$test->{failed}}); |
892 | $percent = 100*(scalar @{$test->{failed}})/$test->{max}; |
893 | print "DIED. ",$txt; |
894 | } |
895 | } |
896 | |
897 | return { canon => $canon, max => $test->{max} || '??', |
898 | failed => $failed, |
66fd8cb9 |
899 | percent => $percent, |
9c5c68c8 |
900 | estat => $estatus, wstat => $wstatus, |
901 | }; |
902 | } |
903 | |
904 | |
905 | sub _garbled_output { |
906 | my($gibberish) = shift; |
907 | warn "Confusing test output: '$gibberish'\n"; |
908 | } |
909 | |
910 | |
911 | sub _create_fmts { |
912 | my($failedtests) = @_; |
913 | |
b82fa0b7 |
914 | my $failed_str = "Failed Test"; |
915 | my $middle_str = " Stat Wstat Total Fail Failed "; |
9c5c68c8 |
916 | my $list_str = "List of Failed"; |
917 | |
918 | # Figure out our longest name string for formatting purposes. |
919 | my $max_namelen = length($failed_str); |
920 | foreach my $script (keys %$failedtests) { |
921 | my $namelen = length $failedtests->{$script}->{name}; |
922 | $max_namelen = $namelen if $namelen > $max_namelen; |
923 | } |
924 | |
925 | my $list_len = $Columns - length($middle_str) - $max_namelen; |
926 | if ($list_len < length($list_str)) { |
927 | $list_len = length($list_str); |
928 | $max_namelen = $Columns - length($middle_str) - $list_len; |
929 | if ($max_namelen < length($failed_str)) { |
930 | $max_namelen = length($failed_str); |
931 | $Columns = $max_namelen + length($middle_str) + $list_len; |
932 | } |
933 | } |
934 | |
935 | my $fmt_top = "format STDOUT_TOP =\n" |
b82fa0b7 |
936 | . sprintf("%-${max_namelen}s", $failed_str) |
9c5c68c8 |
937 | . $middle_str |
2fe373ce |
938 | . $list_str . "\n" |
939 | . "-" x $Columns |
940 | . "\n.\n"; |
9c5c68c8 |
941 | |
942 | my $fmt = "format STDOUT =\n" |
2fe373ce |
943 | . "@" . "<" x ($max_namelen - 1) |
b82fa0b7 |
944 | . " @>> @>>>> @>>>> @>>> ^##.##% " |
2fe373ce |
945 | . "^" . "<" x ($list_len - 1) . "\n" |
946 | . '{ $Curtest->{name}, $Curtest->{estat},' |
947 | . ' $Curtest->{wstat}, $Curtest->{max},' |
948 | . ' $Curtest->{failed}, $Curtest->{percent},' |
949 | . ' $Curtest->{canon}' |
950 | . "\n}\n" |
951 | . "~~" . " " x ($Columns - $list_len - 2) . "^" |
952 | . "<" x ($list_len - 1) . "\n" |
953 | . '$Curtest->{canon}' |
954 | . "\n.\n"; |
9c5c68c8 |
955 | |
956 | eval $fmt_top; |
957 | die $@ if $@; |
958 | eval $fmt; |
959 | die $@ if $@; |
960 | |
961 | return($fmt_top, $fmt); |
962 | } |
963 | |
b82fa0b7 |
964 | { |
965 | my $tried_devel_corestack; |
9c5c68c8 |
966 | |
b82fa0b7 |
967 | sub corestatus { |
968 | my($st) = @_; |
c0ee6f5c |
969 | |
356733da |
970 | eval { |
971 | local $^W = 0; # *.ph files are often *very* noisy |
972 | require 'wait.ph' |
973 | }; |
974 | return if $@; |
975 | my $did_core = defined &WCOREDUMP ? WCOREDUMP($st) : $st & 0200; |
c0ee6f5c |
976 | |
b82fa0b7 |
977 | eval { require Devel::CoreStack; $Have_Devel_Corestack++ } |
978 | unless $tried_devel_corestack++; |
c0ee6f5c |
979 | |
356733da |
980 | return $did_core; |
b82fa0b7 |
981 | } |
c0ee6f5c |
982 | } |
983 | |
c07a80fd |
984 | sub canonfailed ($@) { |
89d3b7e2 |
985 | my($max,$skipped,@failed) = @_; |
6c31b336 |
986 | my %seen; |
987 | @failed = sort {$a <=> $b} grep !$seen{$_}++, @failed; |
c07a80fd |
988 | my $failed = @failed; |
989 | my @result = (); |
990 | my @canon = (); |
991 | my $min; |
992 | my $last = $min = shift @failed; |
760ac839 |
993 | my $canon; |
c07a80fd |
994 | if (@failed) { |
2fe373ce |
995 | for (@failed, $failed[-1]) { # don't forget the last one |
996 | if ($_ > $last+1 || $_ == $last) { |
997 | if ($min == $last) { |
998 | push @canon, $last; |
999 | } else { |
1000 | push @canon, "$min-$last"; |
1001 | } |
1002 | $min = $_; |
1003 | } |
1004 | $last = $_; |
1005 | } |
1006 | local $" = ", "; |
1007 | push @result, "FAILED tests @canon\n"; |
1008 | $canon = join ' ', @canon; |
a0d0e21e |
1009 | } else { |
2fe373ce |
1010 | push @result, "FAILED test $last\n"; |
1011 | $canon = $last; |
a0d0e21e |
1012 | } |
c07a80fd |
1013 | |
1014 | push @result, "\tFailed $failed/$max tests, "; |
89d3b7e2 |
1015 | push @result, sprintf("%.2f",100*(1-$failed/$max)), "% okay"; |
1016 | my $ender = 's' x ($skipped > 1); |
1017 | my $good = $max - $failed - $skipped; |
1018 | my $goodper = sprintf("%.2f",100*($good/$max)); |
9c5c68c8 |
1019 | push @result, " (-$skipped skipped test$ender: $good okay, ". |
1020 | "$goodper%)" |
1021 | if $skipped; |
89d3b7e2 |
1022 | push @result, "\n"; |
760ac839 |
1023 | my $txt = join "", @result; |
1024 | ($txt, $canon); |
a0d0e21e |
1025 | } |
1026 | |
b82fa0b7 |
1027 | =end _private |
9c5c68c8 |
1028 | |
b82fa0b7 |
1029 | =back |
d667a7e6 |
1030 | |
b82fa0b7 |
1031 | =cut |
9c5c68c8 |
1032 | |
9c5c68c8 |
1033 | |
b82fa0b7 |
1034 | 1; |
1035 | __END__ |
9c5c68c8 |
1036 | |
1037 | |
cb1a09d0 |
1038 | =head1 EXPORT |
1039 | |
c0ee6f5c |
1040 | C<&runtests> is exported by Test::Harness per default. |
cb1a09d0 |
1041 | |
9c5c68c8 |
1042 | C<$verbose> and C<$switches> are exported upon request. |
1043 | |
1044 | |
cb1a09d0 |
1045 | =head1 DIAGNOSTICS |
1046 | |
1047 | =over 4 |
1048 | |
1049 | =item C<All tests successful.\nFiles=%d, Tests=%d, %s> |
1050 | |
1051 | If all tests are successful some statistics about the performance are |
1052 | printed. |
1053 | |
6c31b336 |
1054 | =item C<FAILED tests %s\n\tFailed %d/%d tests, %.2f%% okay.> |
1055 | |
1056 | For any single script that has failing subtests statistics like the |
1057 | above are printed. |
1058 | |
1059 | =item C<Test returned status %d (wstat %d)> |
1060 | |
9c5c68c8 |
1061 | Scripts that return a non-zero exit status, both C<$? E<gt>E<gt> 8> |
1062 | and C<$?> are printed in a message similar to the above. |
6c31b336 |
1063 | |
1064 | =item C<Failed 1 test, %.2f%% okay. %s> |
cb1a09d0 |
1065 | |
6c31b336 |
1066 | =item C<Failed %d/%d tests, %.2f%% okay. %s> |
cb1a09d0 |
1067 | |
1068 | If not all tests were successful, the script dies with one of the |
1069 | above messages. |
1070 | |
d667a7e6 |
1071 | =item C<FAILED--Further testing stopped%s> |
1072 | |
1073 | If a single subtest decides that further testing will not make sense, |
1074 | the script dies with this message. |
1075 | |
cb1a09d0 |
1076 | =back |
1077 | |
9b0ceca9 |
1078 | =head1 ENVIRONMENT |
1079 | |
37ce32a7 |
1080 | =over 4 |
1081 | |
356733da |
1082 | =item C<HARNESS_ACTIVE> |
37ce32a7 |
1083 | |
356733da |
1084 | Harness sets this before executing the individual tests. This allows |
1085 | the tests to determine if they are being executed through the harness |
1086 | or by any other means. |
37ce32a7 |
1087 | |
356733da |
1088 | =item C<HARNESS_COLUMNS> |
9b0ceca9 |
1089 | |
356733da |
1090 | This value will be used for the width of the terminal. If it is not |
1091 | set then it will default to C<COLUMNS>. If this is not set, it will |
1092 | default to 80. Note that users of Bourne-sh based shells will need to |
1093 | C<export COLUMNS> for this module to use that variable. |
0d0c0d42 |
1094 | |
b82fa0b7 |
1095 | =item C<HARNESS_COMPILE_TEST> |
9636a016 |
1096 | |
37ce32a7 |
1097 | When true it will make harness attempt to compile the test using |
1098 | C<perlcc> before running it. |
1099 | |
b82fa0b7 |
1100 | B<NOTE> This currently only works when sitting in the perl source |
1101 | directory! |
1102 | |
1103 | =item C<HARNESS_FILELEAK_IN_DIR> |
37ce32a7 |
1104 | |
1105 | When set to the name of a directory, harness will check after each |
1106 | test whether new files appeared in that directory, and report them as |
17a79f5b |
1107 | |
1108 | LEAKED FILES: scr.tmp 0 my.db |
1109 | |
1110 | If relative, directory name is with respect to the current directory at |
1111 | the moment runtests() was called. Putting absolute path into |
13287dd5 |
1112 | C<HARNESS_FILELEAK_IN_DIR> may give more predictable results. |
17a79f5b |
1113 | |
356733da |
1114 | =item C<HARNESS_IGNORE_EXITCODE> |
1115 | |
1116 | Makes harness ignore the exit status of child processes when defined. |
1117 | |
1118 | =item C<HARNESS_NOTTY> |
1119 | |
1120 | When set to a true value, forces it to behave as though STDOUT were |
1121 | not a console. You may need to set this if you don't want harness to |
1122 | output more frequent progress messages using carriage returns. Some |
1123 | consoles may not handle carriage returns properly (which results in a |
1124 | somewhat messy output). |
1125 | |
b82fa0b7 |
1126 | =item C<HARNESS_PERL_SWITCHES> |
37ce32a7 |
1127 | |
1128 | Its value will be prepended to the switches used to invoke perl on |
b82fa0b7 |
1129 | each test. For example, setting C<HARNESS_PERL_SWITCHES> to C<-W> will |
37ce32a7 |
1130 | run all tests with all warnings enabled. |
1131 | |
356733da |
1132 | =item C<HARNESS_VERBOSE> |
37ce32a7 |
1133 | |
356733da |
1134 | If true, Test::Harness will output the verbose results of running |
1135 | its tests. Setting $Test::Harness::verbose will override this. |
37ce32a7 |
1136 | |
1137 | =back |
0a931e4a |
1138 | |
b82fa0b7 |
1139 | =head1 EXAMPLE |
1140 | |
1141 | Here's how Test::Harness tests itself |
1142 | |
1143 | $ cd ~/src/devel/Test-Harness |
1144 | $ perl -Mblib -e 'use Test::Harness qw(&runtests $verbose); |
1145 | $verbose=0; runtests @ARGV;' t/*.t |
1146 | Using /home/schwern/src/devel/Test-Harness/blib |
1147 | t/base..............ok |
1148 | t/nonumbers.........ok |
1149 | t/ok................ok |
1150 | t/test-harness......ok |
1151 | All tests successful. |
1152 | Files=4, Tests=24, 2 wallclock secs ( 0.61 cusr + 0.41 csys = 1.02 CPU) |
f19ae7a7 |
1153 | |
cb1a09d0 |
1154 | =head1 SEE ALSO |
1155 | |
b82fa0b7 |
1156 | L<Test> and L<Test::Simple> for writing test scripts, L<Benchmark> for |
1157 | the underlying timing routines, L<Devel::CoreStack> to generate core |
1158 | dumps from failed tests and L<Devel::Cover> for test coverage |
1159 | analysis. |
c07a80fd |
1160 | |
1161 | =head1 AUTHORS |
1162 | |
1163 | Either Tim Bunce or Andreas Koenig, we don't know. What we know for |
1164 | sure is, that it was inspired by Larry Wall's TEST script that came |
b876d4a6 |
1165 | with perl distributions for ages. Numerous anonymous contributors |
b82fa0b7 |
1166 | exist. Andreas Koenig held the torch for many years. |
1167 | |
1168 | Current maintainer is Michael G Schwern E<lt>schwern@pobox.comE<gt> |
1169 | |
1170 | =head1 TODO |
1171 | |
1172 | Provide a way of running tests quietly (ie. no printing) for automated |
1173 | validation of tests. This will probably take the form of a version |
1174 | of runtests() which rather than printing its output returns raw data |
356733da |
1175 | on the state of the tests. (Partially done in Test::Harness::Straps) |
b82fa0b7 |
1176 | |
1177 | Fix HARNESS_COMPILE_TEST without breaking its core usage. |
1178 | |
1179 | Figure a way to report test names in the failure summary. |
37ce32a7 |
1180 | |
b82fa0b7 |
1181 | Rework the test summary so long test names are not truncated as badly. |
1182 | |
b82fa0b7 |
1183 | Deal with VMS's "not \nok 4\n" mistake. |
1184 | |
1185 | Add option for coverage analysis. |
1186 | |
1187 | =for _private |
1188 | Keeping whittling away at _run_all_tests() |
1189 | |
1190 | =for _private |
1191 | Clean up how the summary is printed. Get rid of those damned formats. |
cb1a09d0 |
1192 | |
1193 | =head1 BUGS |
1194 | |
356733da |
1195 | HARNESS_COMPILE_TEST currently assumes it's run from the Perl source |
b82fa0b7 |
1196 | directory. |
1197 | |
cb1a09d0 |
1198 | =cut |