At last a safer Moo (lots of kludges undone)

[dbsrgits/DBIx-Class.git] / t / lib / DBICTest / Util / LeakTracer.pm

diff --git a/t/lib/DBICTest/Util/LeakTracer.pm b/t/lib/DBICTest/Util/LeakTracer.pm
index d0c29eb..4c90362 100644 (file)
--- a/t/lib/DBICTest/Util/LeakTracer.pm
+++ b/t/lib/DBICTest/Util/LeakTracer.pm
@@ -164,7 +164,7 @@ sub visit_namespaces {
 
 
     $visited += visit_namespaces({ %$args, package => $_ }) for map
-      { $_ =~ /(.+?)::$/ && "${base}::$1" }
+      { $_ =~ /(.+?)::$/ ? "${base}::$1" : () }
       grep
         { $_ =~ /(?<!^main)::$/ }
         do {  no strict 'refs'; keys %{ $base . '::'} }
@@ -240,6 +240,8 @@ sub symtable_referenced_addresses {
 sub assert_empty_weakregistry {
   my ($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;
@@ -266,19 +268,32 @@ sub assert_empty_weakregistry {
       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;
@@ -327,9 +342,16 @@ sub assert_empty_weakregistry {
 }
 
 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) {
 
@@ -343,6 +365,24 @@ END {
     else {
       $tb->note("Auto checked $refs_traced references for leaks - none detected");
     }
+
+    # 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 (
+      $ENV{MOO_FATAL_WARNINGS}
+        or
+      # FIXME - SQLT loads strictures explicitly, /facedesk
+      # remove this INC check when 0fb58589 and 45287c815 are rectified
+      $INC{'SQL/Translator.pm'}
+        or
+      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!!!" )
+      }
+    }
   }
 }