--- /dev/null
+BEGIN {
+ if ($] < 5.010) {
+
+ # Pre-5.10 perls pollute %INC on unsuccesfull module
+ # require, making it appear as if the module is already
+ # loaded on subsequent require()s
+ # Can't seem to find the exact RT/perldelta entry
+ #
+ # The reason we can't just use a sane, clean loader, is because
+ # if a Module require()s another module the %INC will still
+ # get filled with crap and we are back to square one. A global
+ # fix is really the only way for this test, as we try to load
+ # each available module separately, and have no control (nor
+ # knowledge) over their common dependencies.
+ #
+ # we want to do this here, in the very beginning, before even
+ # warnings/strict are loaded
+
+ unshift @INC, 't/lib';
+ require DBICTest::Util::OverrideRequire;
+
+ DBICTest::Util::OverrideRequire::override_global_require( sub {
+ my $res = eval { $_[0]->() };
+ if ($@ ne '') {
+ delete $INC{$_[1]};
+ die $@;
+ }
+ return $res;
+ } );
+ }
+}
+
+use strict;
+use warnings;
+
+use Test::More;
+
+use lib 't/lib';
+use DBICTest;
+
+use File::Find;
+use File::Spec;
+use B qw/svref_2object/;
+use Package::Stash;
+
+# makes sure we can load at least something
+use DBIx::Class;
+use DBIx::Class::Carp;
+
+my @modules = grep {
+ my ($mod) = $_ =~ /(.+)/;
+
+ # not all modules are loadable at all times
+ do {
+ # trap deprecation warnings and whatnot
+ local $SIG{__WARN__} = sub {};
+ eval "require $mod";
+ } ? $mod : do {
+ SKIP: { skip "Failed require of $mod: " . ($@ =~ /^(.+?)$/m)[0], 1 };
+ (); # empty RV for @modules
+ };
+
+} find_modules();
+
+# have an exception table for old and/or weird code we are not sure
+# we *want* to clean in the first place
+my $skip_idx = { map { $_ => 1 } (
+ (grep { /^DBIx::Class::CDBICompat/ } @modules), # too crufty to touch
+ 'SQL::Translator::Producer::DBIx::Class::File', # ditto
+
+ # not sure how to handle type libraries
+ 'DBIx::Class::Storage::DBI::Replicated::Types',
+ 'DBIx::Class::Admin::Types',
+
+ # G::L::D is unclean, but we never inherit from it
+ 'DBIx::Class::Admin::Descriptive',
+ 'DBIx::Class::Admin::Usage',
+
+ # this subclass is expected to inherit whatever crap comes
+ # from the parent
+ 'DBIx::Class::ResultSet::Pager',
+
+ # this is not part of the inheritance tree (plus is a temporary fix anyway)
+ 'DBIx::Class::GlobalDestruction',
+
+ # Moo does not name its generated methods, fix pending
+ 'DBIx::Class::Storage::BlockRunner',
+) };
+
+my $has_cmop = eval { require Class::MOP };
+
+# can't use Class::Inspector for the mundane parts as it does not
+# distinguish imports from anything else, what a crock of...
+# Class::MOP is not always available either - hence just do it ourselves
+
+my $seen; #inheritance means we will see the same method multiple times
+
+for my $mod (@modules) {
+ SKIP: {
+ skip "$mod exempt from namespace checks",1 if $skip_idx->{$mod};
+
+ my %all_method_like = (map
+ { %{Package::Stash->new($_)->get_all_symbols('CODE')} }
+ (reverse @{mro::get_linear_isa($mod)})
+ );
+
+ my %parents = map { $_ => 1 } @{mro::get_linear_isa($mod)};
+
+ my %roles;
+ if ($has_cmop and my $mc = Class::MOP::class_of($mod)) {
+ if ($mc->can('calculate_all_roles_with_inheritance')) {
+ $roles{$_->name} = 1 for ($mc->calculate_all_roles_with_inheritance);
+ }
+ }
+
+ for my $name (keys %all_method_like) {
+
+ next if ( DBIx::Class::_ENV_::BROKEN_NAMESPACE_CLEAN() and $name =~ /^carp(?:_unique|_once)?$/ );
+
+ # overload is a funky thing - it is not cleaned, and its imports are named funny
+ next if $name =~ /^\(/;
+
+ my $gv = svref_2object($all_method_like{$name})->GV;
+ my $origin = $gv->STASH->NAME;
+
+ TODO: {
+ local $TODO;
+ if ($name =~ /^__CAG_/) {
+ $TODO = 'CAG does not clean its BEGIN constants';
+ }
+
+ is ($gv->NAME, $name, "Properly named $name method at $origin" . ($origin eq $mod
+ ? ''
+ : " (inherited by $mod)"
+ ));
+ }
+
+ next if $seen->{"${origin}:${name}"}++;
+
+ if ($origin eq $mod) {
+ pass ("$name is a native $mod method");
+ }
+ elsif ($roles{$origin}) {
+ pass ("${mod}::${name} came from consumption of role $origin");
+ }
+ elsif ($parents{$origin}) {
+ pass ("${mod}::${name} came from proper parent-class $origin");
+ }
+ else {
+ my $via;
+ for (reverse @{mro::get_linear_isa($mod)} ) {
+ if ( ($_->can($name)||'') eq $all_method_like{$name} ) {
+ $via = $_;
+ last;
+ }
+ }
+ fail ("${mod}::${name} appears to have entered inheritance chain by import into "
+ . ($via || 'UNKNOWN')
+ );
+ }
+ }
+
+ next if DBIx::Class::_ENV_::BROKEN_NAMESPACE_CLEAN();
+
+ # some common import names (these should never ever be methods)
+ for my $f (qw/carp carp_once carp_unique croak confess cluck try catch finally/) {
+ if ($mod->can($f)) {
+ my $via;
+ for (reverse @{mro::get_linear_isa($mod)} ) {
+ if ( ($_->can($f)||'') eq $all_method_like{$f} ) {
+ $via = $_;
+ last;
+ }
+ }
+ fail ("Import $f leaked into method list of ${mod}, appears to have entered inheritance chain at "
+ . ($via || 'UNKNOWN')
+ );
+ }
+ else {
+ pass ("Import $f not leaked into method list of $mod");
+ }
+ }
+ }
+}
+
+sub find_modules {
+ my @modules;
+
+ find({
+ wanted => sub {
+ -f $_ or return;
+ s/\.pm$// or return;
+ s/^ (?: lib | blib . (?:lib|arch) ) . //x;
+ push @modules, join ('::', File::Spec->splitdir($_));
+ },
+ no_chdir => 1,
+ }, (-e 'blib' ? 'blib' : 'lib') );
+
+ return sort @modules;
+}
+
+done_testing;
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