Commit | Line | Data |
a0d0e21e |
1 | package Test::Harness; |
2 | |
17f410f9 |
3 | use 5.005_64; |
a0d0e21e |
4 | use Exporter; |
5 | use Benchmark; |
4633a7c4 |
6 | use Config; |
6c31b336 |
7 | use FileHandle; |
760ac839 |
8 | use strict; |
9 | |
17f410f9 |
10 | our($VERSION, $verbose, $switches, $have_devel_corestack, $curtest, |
11 | @ISA, @EXPORT, @EXPORT_OK); |
c0ee6f5c |
12 | $have_devel_corestack = 0; |
4633a7c4 |
13 | |
0d0c0d42 |
14 | $VERSION = "1.1604"; |
9b0ceca9 |
15 | |
f19ae7a7 |
16 | $ENV{HARNESS_ACTIVE} = 1; |
17 | |
9b0ceca9 |
18 | # Some experimental versions of OS/2 build have broken $? |
19 | my $ignore_exitcode = $ENV{HARNESS_IGNORE_EXITCODE}; |
20 | |
17a79f5b |
21 | my $files_in_dir = $ENV{HARNESS_FILELEAK_IN_DIR}; |
22 | |
9b0ceca9 |
23 | my $tests_skipped = 0; |
24 | my $subtests_skipped = 0; |
4633a7c4 |
25 | |
c07a80fd |
26 | @ISA=('Exporter'); |
cb1a09d0 |
27 | @EXPORT= qw(&runtests); |
a0d0e21e |
28 | @EXPORT_OK= qw($verbose $switches); |
29 | |
760ac839 |
30 | format STDOUT_TOP = |
31 | Failed Test Status Wstat Total Fail Failed List of failed |
fb73857a |
32 | ------------------------------------------------------------------------------- |
760ac839 |
33 | . |
34 | |
35 | format STDOUT = |
fb73857a |
36 | @<<<<<<<<<<<<<< @>> @>>>> @>>>> @>>> ^##.##% ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
760ac839 |
37 | { $curtest->{name}, |
38 | $curtest->{estat}, |
39 | $curtest->{wstat}, |
40 | $curtest->{max}, |
41 | $curtest->{failed}, |
42 | $curtest->{percent}, |
43 | $curtest->{canon} |
44 | } |
fb73857a |
45 | ~~ ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
46 | $curtest->{canon} |
760ac839 |
47 | . |
48 | |
c07a80fd |
49 | |
6c31b336 |
50 | $verbose = 0; |
51 | $switches = "-w"; |
a0d0e21e |
52 | |
17a79f5b |
53 | sub globdir { opendir DIRH, shift; my @f = readdir DIRH; closedir DIRH; @f } |
54 | |
a0d0e21e |
55 | sub runtests { |
56 | my(@tests) = @_; |
57 | local($|) = 1; |
7b13a3f5 |
58 | my($test,$te,$ok,$next,$max,$pct,$totok,$totbonus,@failed,%failedtests); |
6c31b336 |
59 | my $totmax = 0; |
60 | my $files = 0; |
a0d0e21e |
61 | my $bad = 0; |
62 | my $good = 0; |
63 | my $total = @tests; |
774d564b |
64 | |
65 | # pass -I flags to children |
81ff29e3 |
66 | my $old5lib = $ENV{PERL5LIB}; |
774d564b |
67 | |
1250aba5 |
68 | # VMS has a 255-byte limit on the length of %ENV entries, so |
69 | # toss the ones that involve perl_root, the install location |
70 | # for VMS |
71 | my $new5lib; |
72 | if ($^O eq 'VMS') { |
73 | $new5lib = join($Config{path_sep}, grep {!/perl_root/i;} @INC); |
74 | $switches =~ s/-(\S*[A-Z]\S*)/"-$1"/g; |
75 | } |
76 | else { |
77 | $new5lib = join($Config{path_sep}, @INC); |
78 | } |
79 | |
80 | local($ENV{'PERL5LIB'}) = $new5lib; |
a0d0e21e |
81 | |
17a79f5b |
82 | my @dir_files = globdir $files_in_dir if defined $files_in_dir; |
a0d0e21e |
83 | my $t_start = new Benchmark; |
84 | while ($test = shift(@tests)) { |
c07a80fd |
85 | $te = $test; |
86 | chop($te); |
fe6f1558 |
87 | if ($^O eq 'VMS') { $te =~ s/^.*\.t\./[.t./s; } |
45c0de28 |
88 | my $blank = (' ' x 77); |
0d0c0d42 |
89 | my $leader = "$te" . '.' x (20 - length($te)); |
90 | my $ml = ""; |
23c4718a |
91 | $ml = "\r$blank\r$leader" |
92 | if -t STDOUT and not $ENV{HARNESS_NOTTY} and not $verbose; |
0d0c0d42 |
93 | print $leader; |
6c31b336 |
94 | my $fh = new FileHandle; |
aa689395 |
95 | $fh->open($test) or print "can't open $test. $!\n"; |
96 | my $first = <$fh>; |
97 | my $s = $switches; |
da4582cd |
98 | $s .= join " ", q[ "-T"], map {qq["-I$_"]} @INC |
99 | if $first =~ /^#!.*\bperl.*-\w*T/; |
aa689395 |
100 | $fh->close or print "can't close $test. $!\n"; |
9636a016 |
101 | my $cmd = ($ENV{'HARNESS_COMPILE_TEST'}) |
102 | ? "./perl -I../lib ../utils/perlcc $test " |
103 | . "-run 2>> ./compilelog |" |
104 | : "$^X $s $test|"; |
a5077310 |
105 | $cmd = "MCR $cmd" if $^O eq 'VMS'; |
aa689395 |
106 | $fh->open($cmd) or print "can't run $test. $!\n"; |
c07a80fd |
107 | $ok = $next = $max = 0; |
108 | @failed = (); |
7b13a3f5 |
109 | my %todo = (); |
110 | my $bonus = 0; |
fac76ed7 |
111 | my $skipped = 0; |
c854dc73 |
112 | my $skip_reason; |
c07a80fd |
113 | while (<$fh>) { |
6c31b336 |
114 | if( $verbose ){ |
c07a80fd |
115 | print $_; |
116 | } |
7b13a3f5 |
117 | if (/^1\.\.([0-9]+) todo([\d\s]+)\;/) { |
118 | $max = $1; |
119 | for (split(/\s+/, $2)) { $todo{$_} = 1; } |
120 | $totmax += $max; |
121 | $files++; |
122 | $next = 1; |
45c0de28 |
123 | } elsif (/^1\.\.([0-9]+)(\s*\#\s*[Ss]kip\S*(?>\s+)(.+))?/) { |
c0ee6f5c |
124 | $max = $1; |
125 | $totmax += $max; |
126 | $files++; |
127 | $next = 1; |
45c0de28 |
128 | $skip_reason = $3 if not $max and defined $3; |
c0ee6f5c |
129 | } elsif ($max && /^(not\s+)?ok\b/) { |
130 | my $this = $next; |
131 | if (/^not ok\s*(\d*)/){ |
132 | $this = $1 if $1 > 0; |
23c4718a |
133 | print "${ml}NOK $this" if $ml; |
7b13a3f5 |
134 | if (!$todo{$this}) { |
135 | push @failed, $this; |
136 | } else { |
137 | $ok++; |
138 | $totok++; |
139 | } |
c854dc73 |
140 | } elsif (/^ok\s*(\d*)(\s*\#\s*[Ss]kip\S*(?:(?>\s+)(.+))?)?/) { |
c0ee6f5c |
141 | $this = $1 if $1 > 0; |
45c0de28 |
142 | print "${ml}ok $this/$max" if $ml; |
c0ee6f5c |
143 | $ok++; |
144 | $totok++; |
fac76ed7 |
145 | $skipped++ if defined $2; |
c854dc73 |
146 | my $reason; |
147 | $reason = 'unknown reason' if defined $2; |
148 | $reason = $3 if defined $3; |
149 | if (defined $reason and defined $skip_reason) { |
150 | # print "was: '$skip_reason' new '$reason'\n"; |
151 | $skip_reason = 'various reasons' |
152 | if $skip_reason ne $reason; |
153 | } elsif (defined $reason) { |
154 | $skip_reason = $reason; |
155 | } |
7b13a3f5 |
156 | $bonus++, $totbonus++ if $todo{$this}; |
c07a80fd |
157 | } |
c0ee6f5c |
158 | if ($this > $next) { |
159 | # warn "Test output counter mismatch [test $this]\n"; |
160 | # no need to warn probably |
161 | push @failed, $next..$this-1; |
162 | } elsif ($this < $next) { |
163 | #we have seen more "ok" lines than the number suggests |
164 | warn "Confused test output: test $this answered after test ", $next-1, "\n"; |
165 | $next = $this; |
166 | } |
167 | $next = $this + 1; |
c07a80fd |
168 | } |
169 | } |
6c31b336 |
170 | $fh->close; # must close to reap child resource values |
9b0ceca9 |
171 | my $wstatus = $ignore_exitcode ? 0 : $?; # Can trust $? ? |
395b061e |
172 | my $estatus; |
173 | $estatus = ($^O eq 'VMS' |
68dc0745 |
174 | ? eval 'use vmsish "status"; $estatus = $?' |
175 | : $wstatus >> 8); |
176 | if ($wstatus) { |
aa689395 |
177 | my ($failed, $canon, $percent) = ('??', '??'); |
0d0c0d42 |
178 | printf "${ml}dubious\n\tTest returned status $estatus (wstat %d, 0x%x)\n", |
fb73857a |
179 | $wstatus,$wstatus; |
68dc0745 |
180 | print "\t\t(VMS status is $estatus)\n" if $^O eq 'VMS'; |
c0ee6f5c |
181 | if (corestatus($wstatus)) { # until we have a wait module |
182 | if ($have_devel_corestack) { |
183 | Devel::CoreStack::stack($^X); |
184 | } else { |
185 | print "\ttest program seems to have generated a core\n"; |
186 | } |
187 | } |
188 | $bad++; |
aa689395 |
189 | if ($max) { |
190 | if ($next == $max + 1 and not @failed) { |
191 | print "\tafter all the subtests completed successfully\n"; |
192 | $percent = 0; |
193 | $failed = 0; # But we do not set $canon! |
194 | } else { |
195 | push @failed, $next..$max; |
196 | $failed = @failed; |
89d3b7e2 |
197 | (my $txt, $canon) = canonfailed($max,$skipped,@failed); |
aa689395 |
198 | $percent = 100*(scalar @failed)/$max; |
199 | print "DIED. ",$txt; |
200 | } |
201 | } |
202 | $failedtests{$test} = { canon => $canon, max => $max || '??', |
203 | failed => $failed, |
204 | name => $test, percent => $percent, |
760ac839 |
205 | estat => $estatus, wstat => $wstatus, |
206 | }; |
c0ee6f5c |
207 | } elsif ($ok == $max && $next == $max+1) { |
7b13a3f5 |
208 | if ($max and $skipped + $bonus) { |
209 | my @msg; |
45c0de28 |
210 | push(@msg, "$skipped/$max skipped: $skip_reason") |
7b13a3f5 |
211 | if $skipped; |
45c0de28 |
212 | push(@msg, "$bonus/$max unexpectedly succeeded") |
7b13a3f5 |
213 | if $bonus; |
45c0de28 |
214 | print "${ml}ok, ".join(', ', @msg)."\n"; |
fac76ed7 |
215 | } elsif ($max) { |
45c0de28 |
216 | print "${ml}ok\n"; |
217 | } elsif (defined $skip_reason) { |
218 | print "skipped: $skip_reason\n"; |
219 | $tests_skipped++; |
c0ee6f5c |
220 | } else { |
45c0de28 |
221 | print "skipped test on this platform\n"; |
9b0ceca9 |
222 | $tests_skipped++; |
c0ee6f5c |
223 | } |
c07a80fd |
224 | $good++; |
6c31b336 |
225 | } elsif ($max) { |
226 | if ($next <= $max) { |
227 | push @failed, $next..$max; |
228 | } |
c07a80fd |
229 | if (@failed) { |
89d3b7e2 |
230 | my ($txt, $canon) = canonfailed($max,$skipped,@failed); |
760ac839 |
231 | print $txt; |
232 | $failedtests{$test} = { canon => $canon, max => $max, |
233 | failed => scalar @failed, |
234 | name => $test, percent => 100*(scalar @failed)/$max, |
235 | estat => '', wstat => '', |
236 | }; |
c07a80fd |
237 | } else { |
c0ee6f5c |
238 | print "Don't know which tests failed: got $ok ok, expected $max\n"; |
760ac839 |
239 | $failedtests{$test} = { canon => '??', max => $max, |
240 | failed => '??', |
241 | name => $test, percent => undef, |
242 | estat => '', wstat => '', |
243 | }; |
c07a80fd |
244 | } |
245 | $bad++; |
6c31b336 |
246 | } elsif ($next == 0) { |
247 | print "FAILED before any test output arrived\n"; |
248 | $bad++; |
760ac839 |
249 | $failedtests{$test} = { canon => '??', max => '??', |
250 | failed => '??', |
251 | name => $test, percent => undef, |
252 | estat => '', wstat => '', |
253 | }; |
6c31b336 |
254 | } |
9b0ceca9 |
255 | $subtests_skipped += $skipped; |
17a79f5b |
256 | if (defined $files_in_dir) { |
257 | my @new_dir_files = globdir $files_in_dir; |
258 | if (@new_dir_files != @dir_files) { |
259 | my %f; |
260 | @f{@new_dir_files} = (1) x @new_dir_files; |
261 | delete @f{@dir_files}; |
262 | my @f = sort keys %f; |
263 | print "LEAKED FILES: @f\n"; |
264 | @dir_files = @new_dir_files; |
265 | } |
266 | } |
a0d0e21e |
267 | } |
268 | my $t_total = timediff(new Benchmark, $t_start); |
c07a80fd |
269 | |
774d564b |
270 | if ($^O eq 'VMS') { |
271 | if (defined $old5lib) { |
272 | $ENV{PERL5LIB} = $old5lib; |
b876d4a6 |
273 | } else { |
774d564b |
274 | delete $ENV{PERL5LIB}; |
275 | } |
276 | } |
7b13a3f5 |
277 | my $bonusmsg = ''; |
278 | $bonusmsg = (" ($totbonus subtest".($totbonus>1?'s':''). |
279 | " UNEXPECTEDLY SUCCEEDED)") |
280 | if $totbonus; |
9b0ceca9 |
281 | if ($tests_skipped) { |
c4f6c246 |
282 | $bonusmsg .= ", $tests_skipped test" . ($tests_skipped != 1 ? 's' : ''); |
283 | if ($subtests_skipped) { |
284 | $bonusmsg .= " and $subtests_skipped subtest" |
285 | . ($subtests_skipped != 1 ? 's' : ''); |
286 | } |
287 | $bonusmsg .= ' skipped'; |
9b0ceca9 |
288 | } |
c4f6c246 |
289 | elsif ($subtests_skipped) { |
290 | $bonusmsg .= ", $subtests_skipped subtest" |
291 | . ($subtests_skipped != 1 ? 's' : '') |
292 | . " skipped"; |
9b0ceca9 |
293 | } |
6c31b336 |
294 | if ($bad == 0 && $totmax) { |
7b13a3f5 |
295 | print "All tests successful$bonusmsg.\n"; |
6c31b336 |
296 | } elsif ($total==0){ |
297 | die "FAILED--no tests were run for some reason.\n"; |
298 | } elsif ($totmax==0) { |
299 | my $blurb = $total==1 ? "script" : "scripts"; |
c0ee6f5c |
300 | die "FAILED--$total test $blurb could be run, alas--no output ever seen\n"; |
c07a80fd |
301 | } else { |
302 | $pct = sprintf("%.2f", $good / $total * 100); |
6c31b336 |
303 | my $subpct = sprintf " %d/%d subtests failed, %.2f%% okay.", |
304 | $totmax - $totok, $totmax, 100*$totok/$totmax; |
760ac839 |
305 | my $script; |
306 | for $script (sort keys %failedtests) { |
307 | $curtest = $failedtests{$script}; |
308 | write; |
309 | } |
b876d4a6 |
310 | if ($bad) { |
9b0ceca9 |
311 | $bonusmsg =~ s/^,\s*//; |
312 | print "$bonusmsg.\n" if $bonusmsg; |
6c31b336 |
313 | die "Failed $bad/$total test scripts, $pct% okay.$subpct\n"; |
c07a80fd |
314 | } |
315 | } |
5603f27d |
316 | printf("Files=%d, Tests=%d, %s\n", $files, $totmax, timestr($t_total, 'nop')); |
f0a9308e |
317 | |
318 | return ($bad == 0 && $totmax) ; |
c07a80fd |
319 | } |
320 | |
aa689395 |
321 | my $tried_devel_corestack; |
c0ee6f5c |
322 | sub corestatus { |
323 | my($st) = @_; |
324 | my($ret); |
325 | |
326 | eval {require 'wait.ph'}; |
327 | if ($@) { |
328 | SWITCH: { |
329 | $ret = ($st & 0200); # Tim says, this is for 90% |
330 | } |
331 | } else { |
332 | $ret = WCOREDUMP($st); |
333 | } |
334 | |
aa689395 |
335 | eval { require Devel::CoreStack; $have_devel_corestack++ } |
336 | unless $tried_devel_corestack++; |
c0ee6f5c |
337 | |
338 | $ret; |
339 | } |
340 | |
c07a80fd |
341 | sub canonfailed ($@) { |
89d3b7e2 |
342 | my($max,$skipped,@failed) = @_; |
6c31b336 |
343 | my %seen; |
344 | @failed = sort {$a <=> $b} grep !$seen{$_}++, @failed; |
c07a80fd |
345 | my $failed = @failed; |
346 | my @result = (); |
347 | my @canon = (); |
348 | my $min; |
349 | my $last = $min = shift @failed; |
760ac839 |
350 | my $canon; |
c07a80fd |
351 | if (@failed) { |
352 | for (@failed, $failed[-1]) { # don't forget the last one |
353 | if ($_ > $last+1 || $_ == $last) { |
354 | if ($min == $last) { |
355 | push @canon, $last; |
356 | } else { |
357 | push @canon, "$min-$last"; |
358 | } |
359 | $min = $_; |
360 | } |
361 | $last = $_; |
362 | } |
363 | local $" = ", "; |
364 | push @result, "FAILED tests @canon\n"; |
760ac839 |
365 | $canon = "@canon"; |
a0d0e21e |
366 | } else { |
c07a80fd |
367 | push @result, "FAILED test $last\n"; |
760ac839 |
368 | $canon = $last; |
a0d0e21e |
369 | } |
c07a80fd |
370 | |
371 | push @result, "\tFailed $failed/$max tests, "; |
89d3b7e2 |
372 | push @result, sprintf("%.2f",100*(1-$failed/$max)), "% okay"; |
373 | my $ender = 's' x ($skipped > 1); |
374 | my $good = $max - $failed - $skipped; |
375 | my $goodper = sprintf("%.2f",100*($good/$max)); |
376 | push @result, " (-$skipped skipped test$ender: $good okay, $goodper%)" if $skipped; |
377 | push @result, "\n"; |
760ac839 |
378 | my $txt = join "", @result; |
379 | ($txt, $canon); |
a0d0e21e |
380 | } |
381 | |
382 | 1; |
cb1a09d0 |
383 | __END__ |
384 | |
385 | =head1 NAME |
386 | |
387 | Test::Harness - run perl standard test scripts with statistics |
388 | |
389 | =head1 SYNOPSIS |
390 | |
391 | use Test::Harness; |
392 | |
393 | runtests(@tests); |
394 | |
395 | =head1 DESCRIPTION |
396 | |
7b13a3f5 |
397 | (By using the L<Test> module, you can write test scripts without |
398 | knowing the exact output this module expects. However, if you need to |
399 | know the specifics, read on!) |
400 | |
cb1a09d0 |
401 | Perl test scripts print to standard output C<"ok N"> for each single |
402 | test, where C<N> is an increasing sequence of integers. The first line |
c0ee6f5c |
403 | output by a standard test script is C<"1..M"> with C<M> being the |
cb1a09d0 |
404 | number of tests that should be run within the test |
c0ee6f5c |
405 | script. Test::Harness::runtests(@tests) runs all the testscripts |
cb1a09d0 |
406 | named as arguments and checks standard output for the expected |
407 | C<"ok N"> strings. |
408 | |
c0ee6f5c |
409 | After all tests have been performed, runtests() prints some |
cb1a09d0 |
410 | performance statistics that are computed by the Benchmark module. |
411 | |
6c31b336 |
412 | =head2 The test script output |
413 | |
414 | Any output from the testscript to standard error is ignored and |
415 | bypassed, thus will be seen by the user. Lines written to standard |
c0ee6f5c |
416 | output containing C</^(not\s+)?ok\b/> are interpreted as feedback for |
417 | runtests(). All other lines are discarded. |
6c31b336 |
418 | |
419 | It is tolerated if the test numbers after C<ok> are omitted. In this |
420 | case Test::Harness maintains temporarily its own counter until the |
421 | script supplies test numbers again. So the following test script |
422 | |
423 | print <<END; |
424 | 1..6 |
425 | not ok |
426 | ok |
427 | not ok |
428 | ok |
429 | ok |
430 | END |
431 | |
432 | will generate |
433 | |
434 | FAILED tests 1, 3, 6 |
435 | Failed 3/6 tests, 50.00% okay |
436 | |
437 | The global variable $Test::Harness::verbose is exportable and can be |
c0ee6f5c |
438 | used to let runtests() display the standard output of the script |
6c31b336 |
439 | without altering the behavior otherwise. |
440 | |
fb73857a |
441 | The global variable $Test::Harness::switches is exportable and can be |
442 | used to set perl command line options used for running the test |
443 | script(s). The default value is C<-w>. |
444 | |
fac76ed7 |
445 | If the standard output line contains substring C< # Skip> (with |
446 | variations in spacing and case) after C<ok> or C<ok NUMBER>, it is |
447 | counted as a skipped test. If the whole testscript succeeds, the |
448 | count of skipped tests is included in the generated output. |
449 | |
45c0de28 |
450 | C<Test::Harness> reports the text after C< # Skip(whatever)> as a |
451 | reason for skipping. Similarly, one can include a similar explanation |
452 | in a C<1..0> line emitted if the test is skipped completely: |
453 | |
454 | 1..0 # Skipped: no leverage found |
455 | |
cb1a09d0 |
456 | =head1 EXPORT |
457 | |
c0ee6f5c |
458 | C<&runtests> is exported by Test::Harness per default. |
cb1a09d0 |
459 | |
460 | =head1 DIAGNOSTICS |
461 | |
462 | =over 4 |
463 | |
464 | =item C<All tests successful.\nFiles=%d, Tests=%d, %s> |
465 | |
466 | If all tests are successful some statistics about the performance are |
467 | printed. |
468 | |
6c31b336 |
469 | =item C<FAILED tests %s\n\tFailed %d/%d tests, %.2f%% okay.> |
470 | |
471 | For any single script that has failing subtests statistics like the |
472 | above are printed. |
473 | |
474 | =item C<Test returned status %d (wstat %d)> |
475 | |
81ff29e3 |
476 | Scripts that return a non-zero exit status, both C<$? E<gt>E<gt> 8> and C<$?> are |
6c31b336 |
477 | printed in a message similar to the above. |
478 | |
479 | =item C<Failed 1 test, %.2f%% okay. %s> |
cb1a09d0 |
480 | |
6c31b336 |
481 | =item C<Failed %d/%d tests, %.2f%% okay. %s> |
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482 | |
483 | If not all tests were successful, the script dies with one of the |
484 | above messages. |
485 | |
486 | =back |
487 | |
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488 | =head1 ENVIRONMENT |
489 | |
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490 | Setting C<HARNESS_IGNORE_EXITCODE> makes harness ignore the exit status |
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491 | of child processes. |
492 | |
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493 | Setting C<HARNESS_NOTTY> to a true value forces it to behave as though |
494 | STDOUT were not a console. You may need to set this if you don't want |
495 | harness to output more frequent progress messages using carriage returns. |
496 | Some consoles may not handle carriage returns properly (which results |
497 | in a somewhat messy output). |
498 | |
9636a016 |
499 | Setting C<HARNESS_COMPILE_TEST> to a true value will make harness attempt |
500 | to compile the test using C<perlcc> before running it. |
501 | |
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502 | If C<HARNESS_FILELEAK_IN_DIR> is set to the name of a directory, harness |
503 | will check after each test whether new files appeared in that directory, |
504 | and report them as |
505 | |
506 | LEAKED FILES: scr.tmp 0 my.db |
507 | |
508 | If relative, directory name is with respect to the current directory at |
509 | the moment runtests() was called. Putting absolute path into |
510 | C<HARNESS_FILELEAK_IN_DIR> may give more predicatable results. |
511 | |
f19ae7a7 |
512 | Harness sets C<HARNESS_ACTIVE> before executing the individual tests. |
513 | This allows the tests to determine if they are being executed through the |
514 | harness or by any other means. |
515 | |
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516 | =head1 SEE ALSO |
517 | |
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518 | L<Test> for writing test scripts and also L<Benchmark> for the |
519 | underlying timing routines. |
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520 | |
521 | =head1 AUTHORS |
522 | |
523 | Either Tim Bunce or Andreas Koenig, we don't know. What we know for |
524 | sure is, that it was inspired by Larry Wall's TEST script that came |
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525 | with perl distributions for ages. Numerous anonymous contributors |
526 | exist. Current maintainer is Andreas Koenig. |
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527 | |
528 | =head1 BUGS |
529 | |
530 | Test::Harness uses $^X to determine the perl binary to run the tests |
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531 | with. Test scripts running via the shebang (C<#!>) line may not be |
532 | portable because $^X is not consistent for shebang scripts across |
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533 | platforms. This is no problem when Test::Harness is run with an |
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534 | absolute path to the perl binary or when $^X can be found in the path. |
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535 | |
536 | =cut |