Commit | Line | Data |
65d35121 |
1 | package DBICTest::Util; |
2 | |
3 | use warnings; |
4 | use strict; |
5 | |
c0329273 |
6 | use ANFANG; |
7 | |
08a8d8f1 |
8 | use DBICTest::RunMode; |
9 | |
10 | use constant { |
11 | |
12 | DEBUG_TEST_CONCURRENCY_LOCKS => ( |
13 | ( ($ENV{DBICTEST_DEBUG_CONCURRENCY_LOCKS}||'') =~ /^(\d+)$/ )[0] |
14 | || |
15 | 0 |
16 | ), |
17 | |
18 | # During 5.13 dev cycle HELEMs started to leak on copy |
19 | # add an escape for these perls ON SMOKERS - a user/CI will still get death |
20 | # constname a homage to http://theoatmeal.com/comics/working_home |
21 | PEEPEENESS => ( |
22 | DBICTest::RunMode->is_smoker |
23 | and |
24 | ! DBICTest::RunMode->is_ci |
25 | and |
26 | ( "$]" >= 5.013005 and "$]" <= 5.013006) |
27 | ), |
28 | }; |
69016f65 |
29 | |
8d6b1478 |
30 | use Config; |
bbf6a9a5 |
31 | use Carp qw(cluck confess croak); |
439a7283 |
32 | use Fcntl qw( :DEFAULT :flock ); |
e48635f7 |
33 | use Scalar::Util qw( blessed refaddr openhandle ); |
17afd4ef |
34 | use DBIx::Class::_Util qw( scope_guard parent_dir ); |
65d35121 |
35 | |
36 | use base 'Exporter'; |
69016f65 |
37 | our @EXPORT_OK = qw( |
817ac9e9 |
38 | dbg stacktrace class_seems_loaded |
e48635f7 |
39 | local_umask slurp_bytes tmpdir find_co_root rm_rf |
10be570e |
40 | PEEPEENESS |
69016f65 |
41 | check_customcond_args |
630e2ea8 |
42 | await_flock DEBUG_TEST_CONCURRENCY_LOCKS |
69016f65 |
43 | ); |
44 | |
45 | if (DEBUG_TEST_CONCURRENCY_LOCKS) { |
46 | require DBI; |
47 | my $oc = DBI->can('connect'); |
48 | no warnings 'redefine'; |
49 | *DBI::connect = sub { |
50 | DBICTest::Util::dbg("Connecting to $_[1]"); |
51 | goto $oc; |
52 | } |
53 | } |
54 | |
55 | sub dbg ($) { |
56 | require Time::HiRes; |
57 | printf STDERR "\n%.06f %5s %-78s %s\n", |
58 | scalar Time::HiRes::time(), |
59 | $$, |
60 | $_[0], |
61 | $0, |
62 | ; |
63 | } |
8d6b1478 |
64 | |
630e2ea8 |
65 | # File locking is hard. Really hard. By far the best lock implementation |
66 | # I've seen is part of the guts of File::Temp. However it is sadly not |
67 | # reusable. Since I am not aware of folks doing NFS parallel testing, |
68 | # nor are we known to work on VMS, I am just going to punt this and |
69 | # use the portable-ish flock() provided by perl itself. If this does |
70 | # not work for you - patches more than welcome. |
71 | # |
72 | # This figure esentially means "how long can a single test hold a |
73 | # resource before everyone else gives up waiting and aborts" or |
74 | # in other words "how long does the longest test-group legitimally run?" |
75 | my $lock_timeout_minutes = 15; # yes, that's long, I know |
76 | my $wait_step_seconds = 0.25; |
77 | |
78 | sub await_flock ($$) { |
79 | my ($fh, $locktype) = @_; |
80 | |
81 | my ($res, $tries); |
82 | while( |
83 | ! ( $res = flock( $fh, $locktype | LOCK_NB ) ) |
84 | and |
85 | ++$tries <= $lock_timeout_minutes * 60 / $wait_step_seconds |
86 | ) { |
87 | select( undef, undef, undef, $wait_step_seconds ); |
88 | |
89 | # "say something" every 10 cycles to work around RT#108390 |
90 | # jesus christ our tooling is such a crock of shit :( |
820a2936 |
91 | unless ( $tries % 10 ) { |
92 | |
93 | # Turning on autoflush is crucial: if stars align just right buffering |
94 | # will ensure we never actually call write() underneath until the grand |
95 | # timeout is reached (and that's too long). Reproducible via |
96 | # |
97 | # DBICTEST_VERSION_WARNS_INDISCRIMINATELY=1 \ |
98 | # DBICTEST_RUN_ALL_TESTS=1 \ |
99 | # strace -f \ |
100 | # prove -lj10 xt/extra/internals/ |
101 | # |
102 | select( ( select(\*STDOUT), $|=1 )[0] ); |
103 | |
104 | print "#\n"; |
105 | } |
630e2ea8 |
106 | } |
107 | |
108 | return $res; |
109 | } |
110 | |
bbf6a9a5 |
111 | |
112 | sub local_umask ($) { |
8d6b1478 |
113 | return unless defined $Config{d_umask}; |
114 | |
bbf6a9a5 |
115 | croak 'Calling local_umask() in void context makes no sense' |
8d6b1478 |
116 | if ! defined wantarray; |
117 | |
bbf6a9a5 |
118 | my $old_umask = umask($_[0]); |
e48635f7 |
119 | croak "Setting umask failed: $!" unless defined $old_umask; |
8d6b1478 |
120 | |
bbf6a9a5 |
121 | scope_guard(sub { |
122 | local ($@, $!, $?); |
123 | |
124 | eval { |
125 | defined(umask $old_umask) or die "nope"; |
126 | 1; |
127 | } or cluck ( |
128 | "Unable to reset old umask '$old_umask': " . ($! || 'Unknown error') |
129 | ); |
130 | }); |
8d6b1478 |
131 | } |
132 | |
e3be2b6f |
133 | # Try to determine the root of a checkout/untar if possible |
134 | # OR throws an exception |
135 | my $co_root; |
136 | sub find_co_root () { |
137 | |
138 | $co_root ||= do { |
139 | |
140 | my @mod_parts = split /::/, (__PACKAGE__ . '.pm'); |
141 | my $inc_key = join ('/', @mod_parts); # %INC stores paths with / regardless of OS |
142 | |
143 | # a bit convoluted, but what we do here essentially is: |
144 | # - get the file name of this particular module |
145 | # - do 'cd ..' as many times as necessary to get to t/lib/../.. |
146 | |
147 | my $root = $INC{$inc_key} |
148 | or croak "\$INC{'$inc_key'} seems to be missing, this can't happen..."; |
149 | |
150 | $root = parent_dir $root |
151 | for 1 .. @mod_parts + 2; |
152 | |
153 | # do the check twice so that the exception is more informative in the |
154 | # very unlikely case of realpath returning garbage |
155 | # (Paththools are in really bad shape - handholding all the way down) |
156 | for my $call_realpath (0,1) { |
157 | |
158 | require Cwd and $root = ( Cwd::realpath($root) . '/' ) |
159 | if $call_realpath; |
160 | |
161 | croak "Unable to find root of DBIC checkout/untar: '${root}Makefile.PL' does not exist" |
162 | unless -f "${root}Makefile.PL"; |
163 | } |
164 | |
439a7283 |
165 | # at this point we are pretty sure this is the right thing - detaint |
166 | ($root =~ /(.+)/)[0]; |
e3be2b6f |
167 | } |
168 | } |
169 | |
439a7283 |
170 | my $tempdir; |
171 | sub tmpdir () { |
172 | $tempdir ||= do { |
173 | |
174 | require File::Spec; |
175 | my $dir = File::Spec->tmpdir; |
176 | $dir .= '/' unless $dir =~ / [\/\\] $ /x; |
177 | |
178 | # the above works but not always, test it to bits |
179 | my $reason_dir_unusable; |
180 | |
181 | # PathTools has a bug where on MSWin32 it will often return / as a tmpdir. |
182 | # This is *really* stupid and the result of having our lockfiles all over |
183 | # the place is also rather obnoxious. So we use our own heuristics instead |
184 | # https://rt.cpan.org/Ticket/Display.html?id=76663 |
185 | my @parts = File::Spec->splitdir($dir); |
186 | |
187 | # deal with how 'C:\\\\\\\\\\\\\\' decomposes |
188 | pop @parts while @parts and ! length $parts[-1]; |
189 | |
190 | if ( |
191 | @parts < 2 |
192 | or |
193 | ( @parts == 2 and $parts[1] =~ /^ [\/\\] $/x ) |
194 | ) { |
195 | $reason_dir_unusable = |
196 | 'File::Spec->tmpdir returned a root directory instead of a designated ' |
197 | . 'tempdir (possibly https://rt.cpan.org/Ticket/Display.html?id=76663)'; |
198 | } |
199 | else { |
200 | # make sure we can actually create and sysopen a file in this dir |
201 | |
202 | my $fn = $dir . "_dbictest_writability_test_$$"; |
203 | |
204 | my $u = local_umask(0); # match the umask we use in DBICTest(::Schema) |
205 | my $g = scope_guard { unlink $fn }; |
206 | |
207 | eval { |
208 | |
209 | if (-e $fn) { |
210 | unlink $fn or die "Unable to unlink pre-existing $fn: $!\n"; |
211 | } |
212 | |
213 | sysopen (my $tmpfh, $fn, O_RDWR|O_CREAT) or die "Opening $fn failed: $!\n"; |
214 | |
215 | print $tmpfh 'deadbeef' x 1024 or die "Writing to $fn failed: $!\n"; |
216 | |
217 | close $tmpfh or die "Closing $fn failed: $!\n"; |
218 | |
219 | 1; |
220 | } |
221 | or |
222 | do { |
223 | chomp( my $err = $@ ); |
224 | |
225 | my @x_tests = map |
226 | { (defined $_) ? ( $_ ? 1 : 0 ) : 'U' } |
227 | map |
228 | { (-e, -d, -f, -r, -w, -x, -o)} |
229 | ($dir, $fn) |
230 | ; |
231 | |
232 | $reason_dir_unusable = sprintf <<"EOE", $fn, $err, scalar $>, scalar $), umask(), (stat($dir))[4,5,2], @x_tests; |
233 | File::Spec->tmpdir returned a directory which appears to be non-writeable: |
234 | |
235 | Error encountered while testing '%s': %s |
236 | Process EUID/EGID: %s / %s |
237 | Effective umask: %o |
238 | TmpDir UID/GID: %s / %s |
239 | TmpDir StatMode: %o |
240 | TmpDir X-tests: -e:%s -d:%s -f:%s -r:%s -w:%s -x:%s -o:%s |
241 | TmpFile X-tests: -e:%s -d:%s -f:%s -r:%s -w:%s -x:%s -o:%s |
242 | EOE |
243 | }; |
244 | } |
245 | |
246 | if ($reason_dir_unusable) { |
247 | # Replace with our local project tmpdir. This will make multiple tests |
248 | # from different runs conflict with each other, but is much better than |
249 | # polluting the root dir with random crap or failing outright |
250 | my $local_dir = find_co_root . 't/var/'; |
251 | |
17afd4ef |
252 | # Generlly this should be handled by ANFANG, but double-check ourselves |
253 | # Not using mkdir_p here: we *know* everything else up until 'var' exists |
254 | # If it doesn't - we better fail outright |
255 | # (also saves an extra File::Path require(), small enough as it is) |
256 | -d $local_dir |
257 | or |
258 | mkdir $local_dir |
259 | or |
260 | die "Unable to create build-local tempdir '$local_dir': $!\n"; |
439a7283 |
261 | |
262 | warn "\n\nUsing '$local_dir' as test scratch-dir instead of '$dir': $reason_dir_unusable\n\n"; |
263 | $dir = $local_dir; |
264 | } |
265 | |
266 | $dir; |
267 | }; |
268 | } |
269 | |
e3be2b6f |
270 | |
e48635f7 |
271 | sub slurp_bytes ($) { |
272 | croak "Expecting a file name, not a filehandle" if openhandle $_[0]; |
273 | croak "'$_[0]' is not a readable filename" unless -f $_[0] && -r $_[0]; |
274 | open my $fh, '<:raw', $_[0] or croak "Unable to open '$_[0]': $!"; |
275 | local $/ unless wantarray; |
276 | <$fh>; |
277 | } |
278 | |
279 | |
280 | sub rm_rf ($) { |
281 | croak "No valid argument supplied to rm_rf()" unless length "$_[0]"; |
282 | |
283 | return unless -e $_[0]; |
284 | |
285 | ### I do not trust myself - check for subsuming ( the right way ) |
286 | ### Avoid things like https://rt.cpan.org/Ticket/Display.html?id=111637 |
287 | require Cwd; |
288 | |
289 | my ($target, $tmp, $co_tmp) = map { |
290 | |
291 | my $abs_fn = Cwd::abs_path("$_"); |
292 | |
293 | if ( $^O eq 'MSWin32' and length $abs_fn ) { |
294 | |
295 | # sometimes we can get a short/longname mix, normalize everything to longnames |
296 | $abs_fn = Win32::GetLongPathName($abs_fn); |
297 | |
298 | # Fixup for unixy (as opposed to native) slashes |
299 | $abs_fn =~ s|\\|/|g; |
300 | } |
301 | |
302 | $abs_fn =~ s| (?<! / ) $ |/|x |
303 | if -d $abs_fn; |
304 | |
305 | ( $abs_fn =~ /(.+)/s )[0] |
306 | |
307 | } ( $_[0], tmpdir, find_co_root . 't/var' ); |
308 | |
309 | croak( |
310 | "Path supplied to rm_rf() '$target' is neither within the local nor the " |
311 | . "global scratch dirs ( '$co_tmp' and '$tmp' ): REFUSING TO `rm -rf` " |
312 | . 'at random' |
313 | ) unless ( |
314 | ( index($target, $co_tmp) == 0 and $target ne $co_tmp ) |
315 | or |
316 | ( index($target, $tmp) == 0 and $target ne $tmp ) |
317 | ); |
318 | ### |
319 | |
320 | require File::Path; |
321 | |
322 | # do not ask for a recent version, use 1.x API calls |
323 | File::Path::rmtree([ $target ]); |
324 | } |
325 | |
326 | |
24fbd7fb |
327 | # This is an absolutely horrible thing to do on an end-user system |
328 | # DO NOT use it indiscriminately - ideally under nothing short of ->is_smoker |
329 | # Not added to EXPORT_OK on purpose |
330 | sub can_alloc_MB ($) { |
331 | my $arg = shift; |
332 | $arg = 'UNDEF' if not defined $arg; |
333 | |
334 | croak "Expecting a positive integer, got '$arg'" |
335 | if $arg !~ /^[1-9][0-9]*$/; |
336 | |
337 | my ($perl) = $^X =~ /(.+)/; |
338 | local $ENV{PATH}; |
339 | local $ENV{PERL5LIB} = join ($Config{path_sep}, @INC); |
340 | |
341 | local ( $!, $^E, $?, $@ ); |
342 | |
343 | system( $perl, qw( -Mt::lib::ANFANG -e ), <<'EOS', $arg ); |
344 | $0 = 'malloc_canary'; |
345 | my $tail_character_of_reified_megastring = substr( ( join '', map chr, 0..255 ) x (4 * 1024 * $ARGV[0]), -1 ); |
346 | EOS |
347 | |
348 | !!( $? == 0 ) |
349 | } |
350 | |
65d35121 |
351 | sub stacktrace { |
352 | my $frame = shift; |
353 | $frame++; |
354 | my (@stack, @frame); |
355 | |
821edc09 |
356 | while (@frame = CORE::caller($frame++)) { |
65d35121 |
357 | push @stack, [@frame[3,1,2]]; |
358 | } |
359 | |
360 | return undef unless @stack; |
361 | |
362 | $stack[0][0] = ''; |
363 | return join "\tinvoked as ", map { sprintf ("%s at %s line %d\n", @$_ ) } @stack; |
364 | } |
365 | |
a3a17a15 |
366 | sub check_customcond_args ($) { |
367 | my $args = shift; |
368 | |
369 | confess "Expecting a hashref" |
370 | unless ref $args eq 'HASH'; |
371 | |
a446d7f8 |
372 | for (qw(rel_name foreign_relname self_alias foreign_alias)) { |
a3a17a15 |
373 | confess "Custom condition argument '$_' must be a plain string" |
374 | if length ref $args->{$_} or ! length $args->{$_}; |
375 | } |
376 | |
a446d7f8 |
377 | confess "Current and legacy rel_name arguments do not match" |
378 | if $args->{rel_name} ne $args->{foreign_relname}; |
379 | |
a3a17a15 |
380 | confess "Custom condition argument 'self_resultsource' must be a rsrc instance" |
381 | unless defined blessed $args->{self_resultsource} and $args->{self_resultsource}->isa('DBIx::Class::ResultSource'); |
382 | |
383 | confess "Passed resultsource has no record of the supplied rel_name - likely wrong \$rsrc" |
a446d7f8 |
384 | unless ref $args->{self_resultsource}->relationship_info($args->{rel_name}); |
385 | |
e884e5d9 |
386 | my $struct_cnt = 0; |
1adbd3fc |
387 | |
98def3ef |
388 | if (defined $args->{self_result_object} or defined $args->{self_rowobj} ) { |
e884e5d9 |
389 | $struct_cnt++; |
98def3ef |
390 | for (qw(self_result_object self_rowobj)) { |
a446d7f8 |
391 | confess "Custom condition argument '$_' must be a result instance" |
392 | unless defined blessed $args->{$_} and $args->{$_}->isa('DBIx::Class::Row'); |
393 | } |
a3a17a15 |
394 | |
98def3ef |
395 | confess "Current and legacy self_result_object arguments do not match" |
396 | if refaddr($args->{self_result_object}) != refaddr($args->{self_rowobj}); |
a3a17a15 |
397 | } |
398 | |
e884e5d9 |
399 | if (defined $args->{foreign_values}) { |
400 | $struct_cnt++; |
1adbd3fc |
401 | |
e884e5d9 |
402 | confess "Custom condition argument 'foreign_values' must be a hash reference" |
403 | unless ref $args->{foreign_values} eq 'HASH'; |
1adbd3fc |
404 | } |
405 | |
e884e5d9 |
406 | confess "Data structures supplied on both ends of a relationship" |
407 | if $struct_cnt == 2; |
1adbd3fc |
408 | |
a3a17a15 |
409 | $args; |
410 | } |
411 | |
817ac9e9 |
412 | # |
413 | # Replicate the *heuristic* (important!!!) implementation found in various |
414 | # forms within Class::Load / Module::Inspector / Class::C3::Componentised |
415 | # |
416 | sub class_seems_loaded ($) { |
417 | |
418 | croak "Function expects a class name as plain string (no references)" |
419 | unless defined $_[0] and not length ref $_[0]; |
420 | |
421 | no strict 'refs'; |
422 | |
423 | return 1 if defined ${"$_[0]::VERSION"}; |
424 | |
425 | return 1 if @{"$_[0]::ISA"}; |
426 | |
427 | return 1 if $INC{ (join ('/', split ('::', $_[0]) ) ) . '.pm' }; |
428 | |
429 | ( !!*{"$_[0]::$_"}{CODE} ) and return 1 |
430 | for keys %{"$_[0]::"}; |
431 | |
432 | return 0; |
433 | } |
434 | |
65d35121 |
435 | 1; |