use warnings;
use strict;
-# this noop trick initializes the STDOUT, so that the TAP::Harness
-# issued IO::Select->can_read calls (which are blocking wtf wtf wtf)
-# keep spinning and scheduling jobs
-# This results in an overall much smoother job-queue drainage, since
-# the Harness blocks less
-# (ideally this needs to be addressed in T::H, but a quick patchjob
-# broke everything so tabling it for now)
-BEGIN {
- if ($INC{'Test/Builder.pm'}) {
- local $| = 1;
- print "#\n";
- }
-}
+use constant DEBUG_TEST_CONCURRENCY_LOCKS =>
+ ( ($ENV{DBICTEST_DEBUG_CONCURRENCY_LOCKS}||'') =~ /^(\d+)$/ )[0]
+ ||
+ 0
+;
use Config;
-use Carp 'confess';
+use Carp qw(cluck confess croak);
+use Fcntl ':flock';
use Scalar::Util qw(blessed refaddr);
-use DBIx::Class::_Util;
+use DBIx::Class::_Util qw( scope_guard parent_dir );
use base 'Exporter';
-our @EXPORT_OK = qw(local_umask stacktrace check_customcond_args visit_namespaces);
+our @EXPORT_OK = qw(
+ dbg stacktrace
+ local_umask find_co_root
+ visit_namespaces
+ check_customcond_args
+ await_flock DEBUG_TEST_CONCURRENCY_LOCKS
+);
+
+if (DEBUG_TEST_CONCURRENCY_LOCKS) {
+ require DBI;
+ my $oc = DBI->can('connect');
+ no warnings 'redefine';
+ *DBI::connect = sub {
+ DBICTest::Util::dbg("Connecting to $_[1]");
+ goto $oc;
+ }
+}
+
+sub dbg ($) {
+ require Time::HiRes;
+ printf STDERR "\n%.06f %5s %-78s %s\n",
+ scalar Time::HiRes::time(),
+ $$,
+ $_[0],
+ $0,
+ ;
+}
-sub local_umask {
+# File locking is hard. Really hard. By far the best lock implementation
+# I've seen is part of the guts of File::Temp. However it is sadly not
+# reusable. Since I am not aware of folks doing NFS parallel testing,
+# nor are we known to work on VMS, I am just going to punt this and
+# use the portable-ish flock() provided by perl itself. If this does
+# not work for you - patches more than welcome.
+#
+# This figure esentially means "how long can a single test hold a
+# resource before everyone else gives up waiting and aborts" or
+# in other words "how long does the longest test-group legitimally run?"
+my $lock_timeout_minutes = 15; # yes, that's long, I know
+my $wait_step_seconds = 0.25;
+
+sub await_flock ($$) {
+ my ($fh, $locktype) = @_;
+
+ my ($res, $tries);
+ while(
+ ! ( $res = flock( $fh, $locktype | LOCK_NB ) )
+ and
+ ++$tries <= $lock_timeout_minutes * 60 / $wait_step_seconds
+ ) {
+ select( undef, undef, undef, $wait_step_seconds );
+
+ # "say something" every 10 cycles to work around RT#108390
+ # jesus christ our tooling is such a crock of shit :(
+ print "#\n" if not $tries % 10;
+ }
+
+ return $res;
+}
+
+
+sub local_umask ($) {
return unless defined $Config{d_umask};
- die 'Calling local_umask() in void context makes no sense'
+ croak 'Calling local_umask() in void context makes no sense'
if ! defined wantarray;
- my $old_umask = umask(shift());
+ my $old_umask = umask($_[0]);
die "Setting umask failed: $!" unless defined $old_umask;
- return bless \$old_umask, 'DBICTest::Util::UmaskGuard';
+ scope_guard(sub {
+ local ($@, $!, $?);
+
+ eval {
+ defined(umask $old_umask) or die "nope";
+ 1;
+ } or cluck (
+ "Unable to reset old umask '$old_umask': " . ($! || 'Unknown error')
+ );
+ });
}
-{
- package DBICTest::Util::UmaskGuard;
- sub DESTROY {
- &DBIx::Class::_Util::detected_reinvoked_destructor;
-
- local ($@, $!);
- eval { defined (umask ${$_[0]}) or die };
- warn ( "Unable to reset old umask ${$_[0]}: " . ($!||'Unknown error') )
- if ($@ || $!);
+
+# Try to determine the root of a checkout/untar if possible
+# OR throws an exception
+my $co_root;
+sub find_co_root () {
+
+ $co_root ||= do {
+
+ my @mod_parts = split /::/, (__PACKAGE__ . '.pm');
+ my $inc_key = join ('/', @mod_parts); # %INC stores paths with / regardless of OS
+
+ # a bit convoluted, but what we do here essentially is:
+ # - get the file name of this particular module
+ # - do 'cd ..' as many times as necessary to get to t/lib/../..
+
+ my $root = $INC{$inc_key}
+ or croak "\$INC{'$inc_key'} seems to be missing, this can't happen...";
+
+ $root = parent_dir $root
+ for 1 .. @mod_parts + 2;
+
+ # do the check twice so that the exception is more informative in the
+ # very unlikely case of realpath returning garbage
+ # (Paththools are in really bad shape - handholding all the way down)
+ for my $call_realpath (0,1) {
+
+ require Cwd and $root = ( Cwd::realpath($root) . '/' )
+ if $call_realpath;
+
+ croak "Unable to find root of DBIC checkout/untar: '${root}Makefile.PL' does not exist"
+ unless -f "${root}Makefile.PL";
+ }
+
+ $root;
}
}
+
sub stacktrace {
my $frame = shift;
$frame++;