-#!./perl -wT
+#!./perl -w
# Tests for the coderef-in-@INC feature
BEGIN {
chdir 't' if -d 't';
- @INC = '../lib';
+ require './test.pl';
+ set_up_inc('../lib');
}
use Config;
-BEGIN {
- require Test::More;
+my $can_fork = 0;
+my $has_perlio = $Config{useperlio};
- # This test relies on perlio, but the feature being tested does not.
- # The dependency should eventually be purged and use something like
- # Tie::Handle instead.
- if( $Config{useperlio} ) {
- Test::More->import(tests => 21);
- }
- else {
- Test::More->import('skip_all');
+unless (is_miniperl()) {
+ if ($Config{d_fork} && eval 'require POSIX; 1') {
+ $can_fork = 1;
}
}
+use strict;
+
+plan(tests => 68 + !is_miniperl() * (3 + 14 * $can_fork));
+
+sub get_temp_fh {
+ my $f = tempfile();
+ open my $fh, ">$f" or die "Can't create $f: $!";
+ print $fh "package ".substr($_[0],0,-3).";\n1;\n";
+ print $fh $_[1] if @_ > 1;
+ close $fh or die "Couldn't close: $!";
+ open $fh, $f or die "Can't open $f: $!";
+ return $fh;
+}
+
sub fooinc {
my ($self, $filename) = @_;
if (substr($filename,0,3) eq 'Foo') {
- open my $fh, '<', \("package ".substr($filename,0,-3)."; 1;");
- return $fh;
+ return get_temp_fh($filename);
}
else {
return undef;
push @INC, \&fooinc;
-ok( !eval { require Bar; 1 }, 'Trying non-magic package' );
+my $evalret = eval { require Bar; 1 };
+ok( !$evalret, 'Trying non-magic package' );
-ok( eval { require Foo; 1 }, 'require() magic via code ref' );
-ok( exists $INC{'Foo.pm'}, ' %INC sees it' );
+$evalret = eval { require Foo; 1 };
+die $@ if $@;
+ok( $evalret, 'require Foo; magic via code ref' );
+ok( exists $INC{'Foo.pm'}, ' %INC sees Foo.pm' );
+is( ref $INC{'Foo.pm'}, 'CODE', ' val Foo.pm is a coderef in %INC' );
+is( $INC{'Foo.pm'}, \&fooinc, ' val Foo.pm is correct in %INC' );
-ok( eval "use Foo1; 1;", 'use()' );
-ok( exists $INC{'Foo1.pm'}, ' %INC sees it' );
+$evalret = eval "use Foo1; 1;";
+die $@ if $@;
+ok( $evalret, 'use Foo1' );
+ok( exists $INC{'Foo1.pm'}, ' %INC sees Foo1.pm' );
+is( ref $INC{'Foo1.pm'}, 'CODE', ' val Foo1.pm is a coderef in %INC' );
+is( $INC{'Foo1.pm'}, \&fooinc, ' val Foo1.pm is correct in %INC' );
-ok( eval { do 'Foo2.pl'; 1 }, 'do()' );
-ok( exists $INC{'Foo2.pl'}, ' %INC sees it' );
+$evalret = eval { do 'Foo2.pl'; 1 };
+die $@ if $@;
+ok( $evalret, 'do "Foo2.pl"' );
+ok( exists $INC{'Foo2.pl'}, ' %INC sees Foo2.pl' );
+is( ref $INC{'Foo2.pl'}, 'CODE', ' val Foo2.pl is a coderef in %INC' );
+is( $INC{'Foo2.pl'}, \&fooinc, ' val Foo2.pl is correct in %INC' );
pop @INC;
sub fooinc2 {
my ($self, $filename) = @_;
if (substr($filename, 0, length($self->[1])) eq $self->[1]) {
- open my $fh, '<', \("package ".substr($filename,0,-3)."; 1;");
- return $fh;
+ return get_temp_fh($filename);
}
else {
return undef;
}
}
-push @INC, [ \&fooinc2, 'Bar' ];
+my $arrayref = [ \&fooinc2, 'Bar' ];
+push @INC, $arrayref;
-ok( eval { require Foo; 1; }, 'Originally loaded packages preserved' );
-ok( !eval { require Foo3; 1; }, 'Original magic INC purged' );
+$evalret = eval { require Foo; 1; };
+die $@ if $@;
+ok( $evalret, 'Originally loaded packages preserved' );
+$evalret = eval { require Foo3; 1; };
+ok( !$evalret, 'Original magic INC purged' );
-ok( eval { require Bar; 1 }, 'require() magic via array ref' );
-ok( exists $INC{'Bar.pm'}, ' %INC sees it' );
+$evalret = eval { require Bar; 1 };
+die $@ if $@;
+ok( $evalret, 'require Bar; magic via array ref' );
+ok( exists $INC{'Bar.pm'}, ' %INC sees Bar.pm' );
+is( ref $INC{'Bar.pm'}, 'ARRAY', ' val Bar.pm is an arrayref in %INC' );
+is( $INC{'Bar.pm'}, $arrayref, ' val Bar.pm is correct in %INC' );
-ok( eval "use Bar1; 1;", 'use()' );
-ok( exists $INC{'Bar1.pm'}, ' %INC sees it' );
+ok( eval "use Bar1; 1;", 'use Bar1' );
+ok( exists $INC{'Bar1.pm'}, ' %INC sees Bar1.pm' );
+is( ref $INC{'Bar1.pm'}, 'ARRAY', ' val Bar1.pm is an arrayref in %INC' );
+is( $INC{'Bar1.pm'}, $arrayref, ' val Bar1.pm is correct in %INC' );
-ok( eval { do 'Bar2.pl'; 1 }, 'do()' );
-ok( exists $INC{'Bar2.pl'}, ' %INC sees it' );
+ok( eval { do 'Bar2.pl'; 1 }, 'do "Bar2.pl"' );
+ok( exists $INC{'Bar2.pl'}, ' %INC sees Bar2.pl' );
+is( ref $INC{'Bar2.pl'}, 'ARRAY', ' val Bar2.pl is an arrayref in %INC' );
+is( $INC{'Bar2.pl'}, $arrayref, ' val Bar2.pl is correct in %INC' );
pop @INC;
sub FooLoader::INC {
my ($self, $filename) = @_;
if (substr($filename,0,4) eq 'Quux') {
- open my $fh, '<', \("package ".substr($filename,0,-3)."; 1;");
- return $fh;
+ return get_temp_fh($filename);
}
else {
return undef;
}
}
-push @INC, bless( {}, 'FooLoader' );
+my $href = bless( {}, 'FooLoader' );
+push @INC, $href;
+
+$evalret = eval { require Quux; 1 };
+die $@ if $@;
+ok( $evalret, 'require Quux; magic via hash object' );
+ok( exists $INC{'Quux.pm'}, ' %INC sees Quux.pm' );
+is( ref $INC{'Quux.pm'}, 'FooLoader',
+ ' val Quux.pm is an object in %INC' );
+is( $INC{'Quux.pm'}, $href, ' val Quux.pm is correct in %INC' );
+
+pop @INC;
+
+my $aref = bless( [], 'FooLoader' );
+push @INC, $aref;
+
+$evalret = eval { require Quux1; 1 };
+die $@ if $@;
+ok( $evalret, 'require Quux1; magic via array object' );
+ok( exists $INC{'Quux1.pm'}, ' %INC sees Quux1.pm' );
+is( ref $INC{'Quux1.pm'}, 'FooLoader',
+ ' val Quux1.pm is an object in %INC' );
+is( $INC{'Quux1.pm'}, $aref, ' val Quux1.pm is correct in %INC' );
+
+pop @INC;
+
+my $sref = bless( \(my $x = 1), 'FooLoader' );
+push @INC, $sref;
-ok( eval { require Quux; 1 }, 'require() magic via hash object' );
-ok( exists $INC{'Quux.pm'}, ' %INC sees it' );
+$evalret = eval { require Quux2; 1 };
+die $@ if $@;
+ok( $evalret, 'require Quux2; magic via scalar object' );
+ok( exists $INC{'Quux2.pm'}, ' %INC sees Quux2.pm' );
+is( ref $INC{'Quux2.pm'}, 'FooLoader',
+ ' val Quux2.pm is an object in %INC' );
+is( $INC{'Quux2.pm'}, $sref, ' val Quux2.pm is correct in %INC' );
pop @INC;
-push @INC, bless( [], 'FooLoader' );
+push @INC, sub {
+ my ($self, $filename) = @_;
+ if (substr($filename,0,4) eq 'Toto') {
+ $INC{$filename} = 'xyz';
+ return get_temp_fh($filename);
+ }
+ else {
+ return undef;
+ }
+};
-ok( eval { require Quux1; 1 }, 'require() magic via array object' );
-ok( exists $INC{'Quux1.pm'}, ' %INC sees it' );
+$evalret = eval { require Toto; 1 };
+die $@ if $@;
+ok( $evalret, 'require Toto; magic via anonymous code ref' );
+ok( exists $INC{'Toto.pm'}, ' %INC sees Toto.pm' );
+ok( ! ref $INC{'Toto.pm'}, q/ val Toto.pm isn't a ref in %INC/ );
+is( $INC{'Toto.pm'}, 'xyz', ' val Toto.pm is correct in %INC' );
pop @INC;
-push @INC, bless( \(my $x = 1), 'FooLoader' );
+push @INC, sub {
+ my ($self, $filename) = @_;
+ if ($filename eq 'abc.pl') {
+ return get_temp_fh($filename, qq(return "abc";\n));
+ }
+ else {
+ return undef;
+ }
+};
+
+my $ret = "";
+$ret ||= do 'abc.pl';
+is( $ret, 'abc', 'do "abc.pl" sees return value' );
+
+{
+ my $got;
+ #local @INC; # local fails on tied @INC
+ my @old_INC = @INC; # because local doesn't work on tied arrays
+ @INC = ('lib', 'lib/Devel', sub { $got = $_[1]; return undef; });
+ foreach my $filename ('/test_require.pm', './test_require.pm',
+ '../test_require.pm') {
+ local %INC;
+ undef $got;
+ undef $test_require::loaded;
+ eval { require $filename; };
+ is($got, $filename, "the coderef sees the pathname $filename");
+ is($test_require::loaded, undef, 'no module is loaded' );
+ }
+
+ local %INC;
+ undef $got;
+ undef $test_require::loaded;
+
+ eval { require 'test_require.pm'; };
+ is($got, undef, 'the directory is scanned for test_require.pm');
+ is($test_require::loaded, 1, 'the module is loaded');
+ @INC = @old_INC;
+}
+
+# this will segfault if it fails
+
+sub PVBM () { 'foo' }
+{ my $dummy = index 'foo', PVBM }
+
+# I don't know whether these requires should succeed or fail. 5.8 failed
+# all of them; 5.10 with an ordinary constant in place of PVBM lets the
+# latter two succeed. For now I don't care, as long as they don't
+# segfault :).
+
+unshift @INC, sub { PVBM };
+eval 'require foo';
+ok( 1, 'returning PVBM doesn\'t segfault require' );
+eval 'use foo';
+ok( 1, 'returning PVBM doesn\'t segfault use' );
+shift @INC;
+unshift @INC, sub { \PVBM };
+eval 'require foo';
+ok( 1, 'returning PVBM ref doesn\'t segfault require' );
+eval 'use foo';
+ok( 1, 'returning PVBM ref doesn\'t segfault use' );
+shift @INC;
+
+# [perl #92252]
+{
+ my $die = sub { die };
+ my $data = [];
+ unshift @INC, sub { $die, $data };
+
+ my $initial_sub_refcnt = &Internals::SvREFCNT($die);
+ my $initial_data_refcnt = &Internals::SvREFCNT($data);
+
+ do "foo";
+ is(&Internals::SvREFCNT($die), $initial_sub_refcnt, "no leaks");
+ is(&Internals::SvREFCNT($data), $initial_data_refcnt, "no leaks");
+
+ do "bar";
+ is(&Internals::SvREFCNT($die), $initial_sub_refcnt, "no leaks");
+ is(&Internals::SvREFCNT($data), $initial_data_refcnt, "no leaks");
+
+ shift @INC;
+}
+
+unshift @INC, sub { \(my $tmp = '$_ = "are temps freed prematurely?"') };
+eval { require foom };
+is $_||$@, "are temps freed prematurely?",
+ "are temps freed prematurely when returned from inc filters?";
+shift @INC;
+
+# [perl #120657]
+sub fake_module {
+ my (undef,$module_file) = @_;
+ !1
+}
+{
+ local @INC = @INC;
+ unshift @INC, (\&fake_module)x2;
+ eval { require "${\'bralbalhablah'}" };
+ like $@, qr/^Can't locate/,
+ 'require PADTMP passing freed var when @INC has multiple subs';\r
+}
+
+SKIP: {
+ skip ("Not applicable when run from inccode-tie.t", 6) if tied @INC;
+ require Tie::Scalar;
+ package INCtie {
+ sub TIESCALAR { bless \my $foo }
+ sub FETCH { study; our $count++; ${$_[0]} }
+ }
+ local @INC = undef;
+ my $t = tie $INC[0], 'INCtie';
+ my $called;
+ $$t = sub { $called ++; !1 };
+ delete $INC{'foo.pm'}; # in case another test uses foo
+ eval { require foo };
+ is $INCtie::count, 2, # 2nd time for "Can't locate" -- XXX correct?
+ 'FETCH is called once on undef scalar-tied @INC elem';
+ is $called, 1, 'sub in scalar-tied @INC elem is called';
+ () = "$INC[0]"; # force a fetch, so the SV is ROK
+ $INCtie::count = 0;
+ eval { require foo };
+ is $INCtie::count, 2,
+ 'FETCH is called once on scalar-tied @INC elem holding ref';
+ is $called, 2, 'sub in scalar-tied @INC elem holding ref is called';
+ $$t = [];
+ $INCtie::count = 0;
+ eval { require foo };
+ is $INCtie::count, 1,
+ 'FETCH called once on scalar-tied @INC elem returning array';
+ $$t = "string";
+ $INCtie::count = 0;
+ eval { require foo };
+ is $INCtie::count, 2,
+ 'FETCH called once on scalar-tied @INC elem returning string';
+}
+
+
+exit if is_miniperl();
+
+SKIP: {
+ skip( "No PerlIO available", 3 ) unless $has_perlio;
+ pop @INC;
-ok( eval { require Quux2; 1 }, 'require() magic via scalar object' );
-ok( exists $INC{'Quux2.pm'}, ' %INC sees it' );
+ push @INC, sub {
+ my ($cr, $filename) = @_;
+ my $module = $filename; $module =~ s,/,::,g; $module =~ s/\.pm$//;
+ open my $fh, '<',
+ \"package $module; sub complain { warn q() }; \$::file = __FILE__;"
+ or die $!;
+ $INC{$filename} = "/custom/path/to/$filename";
+ return $fh;
+ };
+ require Publius::Vergilius::Maro;
+ is( $INC{'Publius/Vergilius/Maro.pm'},
+ '/custom/path/to/Publius/Vergilius/Maro.pm', '%INC set correctly');
+ is( our $file, '/custom/path/to/Publius/Vergilius/Maro.pm',
+ '__FILE__ set correctly' );
+ {
+ my $warning;
+ local $SIG{__WARN__} = sub { $warning = shift };
+ Publius::Vergilius::Maro::complain();
+ like( $warning, qr{something's wrong at /custom/path/to/Publius/Vergilius/Maro.pm}, 'warn() reports correct file source' );
+ }
+}
pop @INC;
+
+if ($can_fork) {
+ require PerlIO::scalar;
+ # This little bundle of joy generates n more recursive use statements,
+ # with each module chaining the next one down to 0. If it works, then we
+ # can safely nest subprocesses
+ my $use_filter_too;
+ push @INC, sub {
+ return unless $_[1] =~ /^BBBLPLAST(\d+)\.pm/;
+ my $pid = open my $fh, "-|";
+ if ($pid) {
+ # Parent
+ return $fh unless $use_filter_too;
+ # Try filters and state in addition.
+ return ($fh, sub {s/$_[1]/pass/; return}, "die")
+ }
+ die "Can't fork self: $!" unless defined $pid;
+
+ # Child
+ my $count = $1;
+ # Lets force some fun with odd sized reads.
+ $| = 1;
+ print 'push @main::bbblplast, ';
+ print "$count;\n";
+ if ($count--) {
+ print "use BBBLPLAST$count;\n";
+ }
+ if ($use_filter_too) {
+ print "die('In $_[1]');";
+ } else {
+ print "pass('In $_[1]');";
+ }
+ print '"Truth"';
+ POSIX::_exit(0);
+ die "Can't get here: $!";
+ };
+
+ @::bbblplast = ();
+ require BBBLPLAST5;
+ is ("@::bbblplast", "0 1 2 3 4 5", "All ran");
+
+ foreach (keys %INC) {
+ delete $INC{$_} if /^BBBLPLAST/;
+ }
+
+ @::bbblplast = ();
+ $use_filter_too = 1;
+
+ require BBBLPLAST5;
+
+ is ("@::bbblplast", "0 1 2 3 4 5", "All ran with a filter");
+}
https://perl5.git.perl.org / perl5.git / blobdiff