use Carp;
use Scalar::Util qw(isweak weaken blessed reftype);
-use DBIx::Class::_Util qw(refcount hrefaddr);
+use DBIx::Class::_Util qw(refcount hrefaddr refdesc);
use DBIx::Class::Optional::Dependencies;
use Data::Dumper::Concise;
use DBICTest::Util 'stacktrace';
use constant {
CV_TRACING => DBIx::Class::Optional::Dependencies->req_ok_for ('test_leaks_heavy'),
- SKIP_SCALAR_REFS => ( $] > 5.017 ) ? 1 : 0,
};
use base 'Exporter';
my $leaks_found = 0;
my %reg_of_regs;
-# so we don't trigger stringification
-sub _describe_ref {
- sprintf '%s%s(%s)',
- (defined blessed $_[0]) ? blessed($_[0]) . '=' : '',
- reftype $_[0],
- hrefaddr $_[0],
- ;
-}
-
sub populate_weakregistry {
my ($weak_registry, $target, $note) = @_;
for keys %$reg;
}
- # FIXME/INVESTIGATE - something fishy is going on with refs to plain
- # strings, perhaps something to do with the CoW work etc...
- return $target if SKIP_SCALAR_REFS and reftype($target) eq 'SCALAR';
-
if (! defined $weak_registry->{$refaddr}{weakref}) {
$weak_registry->{$refaddr} = {
stacktrace => stacktrace(1),
weakref => $target,
};
- weaken( $weak_registry->{$refaddr}{weakref} );
- $refs_traced++;
+
+ # on perl < 5.8.3 sometimes a weaken can throw (can't find RT)
+ # so guard against that unlikely event
+ local $@;
+ eval { weaken( $weak_registry->{$refaddr}{weakref} ); $refs_traced++ }
+ or delete $weak_registry->{$refaddr};
}
- my $desc = _describe_ref($target);
+ my $desc = refdesc $target;
$weak_registry->{$refaddr}{slot_names}{$desc} = 1;
if ($note) {
$note =~ s/\s*\Q$desc\E\s*//g;
elsif (CV_TRACING and $type eq 'CODE') {
$visited_cnt += visit_refs({ %$args, refs => [ map {
( !isweak($_) ) ? $_ : ()
- } scalar PadWalker::closed_over($r) ] }); # scalar due to RT#92269
+ } values %{ scalar PadWalker::closed_over($r) } ] }); # scalar due to RT#92269
}
1;
- } or warn "Could not descend into @{[ _describe_ref($r) ]}: $@\n";
+ } or warn "Could not descend into @{[ refdesc $r ]}: $@\n";
}
$visited_cnt;
}
$visited += visit_namespaces({ %$args, package => $_ }) for map
- { $_ =~ /(.+?)::$/ && "${base}::$1" }
+ { $_ =~ /(.+?)::$/ ? "${base}::$1" : () }
grep
{ $_ =~ /(?<!^main)::$/ }
do { no strict 'refs'; keys %{ $base . '::'} }
my $refs_per_pkg;
- my $dummy_addresslist;
-
my $seen_refs = {};
visit_namespaces(
action => sub {
$refs_per_pkg->{$pkg} += visit_refs (
seen_refs => $seen_refs,
- # FIXME FIXME FIXME
- # This is so damn odd - if we feed a constsub {1} (or in fact almost
- # anything other than the actionsub below, any scalarref will show
- # up as a leak, trapped by... something...
- # Ideally we should be able to const this to sub{1} and just return
- # $seen_refs (in fact it is identical to the dummy list at the end of
- # a run here). Alas this doesn't seem to work, so punt for now...
- action => sub { ++$dummy_addresslist->{ hrefaddr $_[0] } },
+ action => sub { 1 },
refs => [ map { my $sym = $_;
# *{"$pkg$sym"}{CODE} won't simply work - MRO-cached CVs are invisible there
sub assert_empty_weakregistry {
my ($weak_registry, $quiet) = @_;
+ Sub::Defer::undefer_all();
+
# in case we hooked bless any extra object creation will wreak
# havoc during the assert phase
local *CORE::GLOBAL::bless;
if defined $weak_registry->{$addr}{weakref} and ! isweak( $weak_registry->{$addr}{weakref} );
}
- # the walk is very expensive - if we are $quiet (running in an END block)
- # we do not really need to be too thorough
- unless ($quiet) {
- delete $weak_registry->{$_} for keys %{ symtable_referenced_addresses() };
- }
-
+ # the symtable walk is very expensive
+ # if we are $quiet (running in an END block) we do not really need to be
+ # that thorough - can get by with only %Sub::Quote::QUOTED
+ delete $weak_registry->{$_} for $quiet
+ ? do {
+ my $refs = {};
+ visit_refs (
+ # only look at the closed over stuffs
+ refs => [ grep { length ref $_ } map { values %{$_->[2]} } grep { ref $_ eq 'ARRAY' } values %Sub::Quote::QUOTED ],
+ seen_refs => $refs,
+ action => sub { 1 },
+ );
+ keys %$refs;
+ }
+ : (
+ # full sumtable walk, starting from ::
+ keys %{ symtable_referenced_addresses() }
+ )
+ ;
for my $addr (sort { $weak_registry->{$a}{display_name} cmp $weak_registry->{$b}{display_name} } keys %$weak_registry) {
next if ! defined $weak_registry->{$addr}{weakref};
$leaks_found++ unless $tb->in_todo;
- $tb->ok (0, "Leaked $weak_registry->{$addr}{display_name}");
+ $tb->ok (0, "Expected garbage collection of $weak_registry->{$addr}{display_name}");
my $diag = do {
local $Data::Dumper::Maxdepth = 1;
}
END {
- if ($INC{'Test/Builder.pm'}) {
- my $tb = Test::Builder->new;
-
+ if (
+ $INC{'Test/Builder.pm'}
+ and
+ my $tb = do {
+ local $@;
+ my $t = eval { Test::Builder->new }
+ or warn "Test::Builder->new failed:\n$@\n";
+ $t;
+ }
+ ) {
# we check for test passage - a leak may be a part of a TODO
if ($leaks_found and !$tb->is_passing) {
else {
$tb->note("Auto checked $refs_traced references for leaks - none detected");
}
+
+# Disable this until better times - SQLT and probably other things
+# still load strictures. Let's just wait until Moo2.0 and go from there
+=begin for tears
+ # also while we are here and not in plain runmode: make sure we never
+ # loaded any of the strictures XS bullshit (it's a leak in a sense)
+ unless (DBICTest::RunMode->is_plain) {
+ for (qw(indirect multidimensional bareword::filehandles)) {
+ exists $INC{ Module::Runtime::module_notional_filename($_) }
+ and
+ $tb->ok(0, "$_ load should not have been attempted!!!" )
+ }
+ }
+=cut
+
}
}