}
}
+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 'scope_guard';
use base 'Exporter';
-our @EXPORT_OK = qw(local_umask stacktrace check_customcond_args);
+our @EXPORT_OK = qw(
+ dbg stacktrace
+ local_umask
+ 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(),
+ $$,
+ $_[0],
+ $0,
+ ;
+}
+
+# File locking is hard. Really hard. By far the best lock implementation
+# I've seen is part of the guts of File::Temp. However it is sadly not
+# reusable. Since I am not aware of folks doing NFS parallel testing,
+# nor are we known to work on VMS, I am just going to punt this and
+# use the portable-ish flock() provided by perl itself. If this does
+# not work for you - patches more than welcome.
+#
+# This figure esentially means "how long can a single test hold a
+# resource before everyone else gives up waiting and aborts" or
+# in other words "how long does the longest test-group legitimally run?"
+my $lock_timeout_minutes = 15; # yes, that's long, I know
+my $wait_step_seconds = 0.25;
+
+sub await_flock ($$) {
+ 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 $res;
+}
-sub local_umask {
+
+sub local_umask ($) {
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 $old_umask;
- return bless \$old_umask, 'DBICTest::Util::UmaskGuard';
-}
-{
- package DBICTest::Util::UmaskGuard;
- sub DESTROY {
- local ($@, $!);
- eval { defined (umask ${$_[0]}) or die };
- warn ( "Unable to reset old umask ${$_[0]}: " . ($!||'Unknown error') )
- if ($@ || $!);
- }
+ scope_guard(sub {
+ local ($@, $!, $?);
+
+ eval {
+ defined(umask $old_umask) or die "nope";
+ 1;
+ } or cluck (
+ "Unable to reset old umask '$old_umask': " . ($! || 'Unknown error')
+ );
+ });
}
sub stacktrace {
$frame++;
my (@stack, @frame);
- while (@frame = caller($frame++)) {
+ while (@frame = CORE::caller($frame++)) {
push @stack, [@frame[3,1,2]];
}
$args;
}
+sub visit_namespaces {
+ my $args = { (ref $_[0]) ? %{$_[0]} : @_ };
+
+ my $visited_count = 1;
+
+ # A package and a namespace are subtly different things
+ $args->{package} ||= 'main';
+ $args->{package} = 'main' if $args->{package} =~ /^ :: (?: main )? $/x;
+ $args->{package} =~ s/^:://;
+
+ if ( $args->{action}->($args->{package}) ) {
+ my $ns =
+ ( ($args->{package} eq 'main') ? '' : $args->{package} )
+ .
+ '::'
+ ;
+
+ $visited_count += visit_namespaces( %$args, package => $_ ) for
+ grep
+ # this happens sometimes on %:: traversal
+ { $_ ne '::main' }
+ map
+ { $_ =~ /^(.+?)::$/ ? "$ns$1" : () }
+ do { no strict 'refs'; keys %$ns }
+ ;
+ }
+
+ return $visited_count;
+}
+
1;