--- /dev/null
+###
+### This version is rather 5.8-centric, because DBIC itself is 5.8
+### It certainly can be rewritten to degrade well on 5.6
+###
+
+
+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 $res;
+ } );
+ }
+}
+
+# Explicitly add 'lib' to the front of INC - this way we will
+# know without ambiguity what was loaded from the local untar
+# and what came from elsewhere
+use lib qw(lib t/lib);
+
+use strict;
+use warnings;
+
+use Test::More 'no_plan';
+use Config;
+use File::Find 'find';
+use Module::Runtime 'module_notional_filename';
+use List::Util 'max';
+use ExtUtils::MakeMaker;
+use DBICTest::Util 'visit_namespaces';
+
+# load these two to pull in the t/lib armada
+use DBICTest;
+use DBICTest::Schema;
+DBICTest->init_schema;
+
+# do !!!NOT!!! use Module::Runtime's require_module - it breaks CORE::require
+sub req_mod ($) {
+ # trap deprecation warnings and whatnot
+ local $SIG{__WARN__} = sub {};
+ local $@;
+ eval "require $_[0]";
+}
+
+sub say_err {
+ print STDERR "\n", @_, "\n";
+}
+
+my @lib_display_order = qw(
+ sitearch
+ sitelib
+ vendorarch
+ vendorlib
+ archlib
+ privlib
+);
+my $lib_paths = {
+ (map
+ { $Config{$_} ? ( $_ => $Config{"${_}exp"} || $Config{$_} ) : () }
+ @lib_display_order
+ ),
+
+ # synthetic, for display
+ './lib' => 'lib',
+};
+
+sub describe_fn {
+ my $fn = shift;
+
+ $lib_paths->{$_} and $fn =~ s/^\Q$lib_paths->{$_}/<<$_>>/ and last
+ for @lib_display_order;
+
+ $fn;
+}
+
+sub md5_of_fn {
+ # we already checked for -r/-f, just bail if can't open
+ open my $fh, '<:raw', $_[0] or return '';
+ require Digest::MD5;
+ Digest::MD5->new->addfile($fh)->hexdigest;
+}
+
+# first run through lib and *try* to load anything we can find
+# within our own project
+find({
+ wanted => sub {
+ -f $_ or return;
+
+ # can't just `require $fn`, as we need %INC to be
+ # populated properly
+ my ($mod) = $_ =~ /^ lib [\/\\] (.+) \.pm $/x
+ or return;
+
+ req_mod join ('::', File::Spec->splitdir($mod));
+ },
+ no_chdir => 1,
+}, 'lib' );
+
+# now run through OptDeps and attempt loading everything else
+#
+# some things needs to be sorted before other things
+# positive - load first
+# negative - load last
+my $load_weights = {
+ # Make sure oracle is tried last - some clients (e.g. 10.2) have symbol
+ # clashes with libssl, and will segfault everything coming after them
+ "DBD::Oracle" => -999,
+};
+
+my $optdeps = {
+ map
+ { $_ => 1 }
+ map
+ { keys %{DBIx::Class::Optional::Dependencies->req_list_for($_)} }
+ grep
+ { $_ !~ /rdbms/ }
+ keys %{DBIx::Class::Optional::Dependencies->req_group_list}
+};
+req_mod $_ for sort
+ { ($load_weights->{$b}||0) <=> ($load_weights->{$a}||0) }
+ keys %$optdeps
+;
+
+my $has_versionpm = eval { require version };
+
+# at this point we've loaded everything we ever could, let's drill through
+# the *ENTIRE* symtable and build a map of versions
+my $version_list = { perl => $] };
+visit_namespaces( action => sub {
+ my $pkg = shift;
+
+ # keep going, but nothing to see here
+ return 1 if $pkg eq 'main';
+
+ # private - not interested
+ return 0 if $pkg =~ / (?: ^ | :: ) _ /x;
+
+ no strict 'refs';
+ # that would be some synthetic class, or a custom sub VERSION
+ return 1 if (
+ ! defined ${"${pkg}::VERSION"}
+ or
+ ${"${pkg}::VERSION"} =~ /\Qset by base.pm/
+ );
+
+ # make sure a version can be extracted, be noisy when it doesn't work
+ # do this even if we are throwing away the result below in lieu of EUMM
+ my $mod_ver = eval { $pkg->VERSION };
+ if (my $err = $@) {
+ $err =~ s/^/ /mg;
+ say_err
+ "Calling `$pkg->VERSION` resulted in an exception, which should never "
+ . "happen - please file a bug with the distribution containing $pkg. "
+ . "Follows the full text of the exception:\n\n$err\n"
+ ;
+ }
+ elsif( ! defined $mod_ver ) {
+ say_err
+ "Calling `$pkg->VERSION` returned 'undef', which should never "
+ . "happen - please file a bug with the distribution containing $pkg."
+ ;
+
+ }
+ elsif( ! length $mod_ver ) {
+ say_err
+ "Calling `$pkg->VERSION` returned the empty string '', which should never "
+ . "happen - please file a bug with the distribution containing $pkg."
+ ;
+ undef $mod_ver;
+ }
+
+ # if this is a real file - extract the version via EUMM whenever possible
+ my $fn = $INC{module_notional_filename($pkg)};
+
+ my $eumm_ver = eval { MM->parse_version( $fn ) }
+ if $fn and -f $fn and -r $fn;
+
+ if (
+ $has_versionpm
+ and
+ defined $eumm_ver
+ and
+ defined $mod_ver
+ and
+ $eumm_ver ne $mod_ver
+ and
+ (
+ ( eval { version->parse( do { (my $v = $eumm_ver) =~ s/_//g; $v } ) } || 0 )
+ !=
+ ( eval { version->parse( do { (my $v = $mod_ver) =~ s/_//g; $v } ) } || 0 )
+ )
+ ) {
+ say_err
+ "Mismatch of versions '$mod_ver' and '$eumm_ver', obtained respectively "
+ . "via `$pkg->VERSION` and parsing the version out of @{[ describe_fn $fn ]} "
+ . "with ExtUtils::MakeMaker\@@{[ ExtUtils::MakeMaker->VERSION ]}. "
+ . "This should never happen - please check whether this is still present "
+ . "in the latest version, and then file a bug with the distribution "
+ . "containing $pkg."
+ ;
+ }
+
+ if( defined $eumm_ver ) {
+ $version_list->{$pkg} = $eumm_ver;
+ }
+ elsif( defined $mod_ver ) {
+ $version_list->{$pkg} = $mod_ver;
+ }
+
+ 1;
+});
+
+# compress identical versions as close to the root as we can
+# unless we are dealing with a smoker - in which case we want
+# to see every MD5 there is
+unless ( $ENV{AUTOMATED_TESTING} ) {
+ for my $mod ( sort { length($b) <=> length($a) } keys %$version_list ) {
+ my $parent = $mod;
+
+ while ( $parent =~ s/ :: (?: . (?! :: ) )+ $ //x ) {
+ $version_list->{$parent}
+ and
+ $version_list->{$parent} eq $version_list->{$mod}
+ and
+ ( ( delete $version_list->{$mod} ) or 1 )
+ and
+ last
+ }
+ }
+}
+
+ok 1, (scalar keys %$version_list) . " distinctly versioned modules";
+
+exit if ($ENV{TRAVIS}||'') eq 'true';
+
+# sort stuff into @INC segments
+my $segments;
+
+MODULE:
+for my $mod ( sort { lc($a) cmp lc($b) } keys %$version_list ) {
+ my $fn = $INC{module_notional_filename($mod)};
+
+ my $tuple = [
+ $mod,
+ ( ( $fn && -f $fn && -r $fn ) ? $fn : undef )
+ ];
+
+
+ if ($fn) {
+ for my $lib (@lib_display_order, './lib') {
+ if ( $lib_paths->{$lib} and index($fn, $lib_paths->{$lib}) == 0 ) {
+ push @{$segments->{$lib}}, $tuple;
+ next MODULE;
+ }
+ }
+ }
+
+ # fallthrough for anything without a physical filename, or unknown lib
+ push @{$segments->{''}}, $tuple;
+}
+
+# diag the result out
+my $max_ver_len = max map { length $_ } values %$version_list;
+my $max_mod_len = max map { length $_ } keys %$version_list;
+
+my $diag = "\n\nVersions of all loadable modules within the configure/build/test/runtime dependency chains present on this system (both core and optional)\n\n";
+for my $seg ( '', @lib_display_order, './lib' ) {
+ next unless $segments->{$seg};
+
+ $diag .= sprintf "=== %s ===\n\n",
+ $seg
+ ? "Modules found in " . ( $Config{$seg} ? "\$Config{$seg}" : $seg )
+ : 'Misc'
+ ;
+
+ $diag .= sprintf (
+ " %*s %*s%s\n",
+ $max_ver_len => $version_list->{$_->[0]},
+ -$max_mod_len => $_->[0],
+ ($_->[1]
+ ? " [ MD5: @{[ md5_of_fn( $_->[1] ) ]} ]"
+ : ''
+ ),
+ ) for @{$segments->{$seg}};
+
+ $diag .= "\n\n"
+}
+
+diag $diag;