-#!./perl -wT
+#!./perl -w
# Tests for the coderef-in-@INC feature
+my $can_fork = 0;
BEGIN {
chdir 't' if -d 't';
- @INC = '../lib';
+ @INC = qw(. ../lib);
+}
+{
+ use Config;
+ if (PerlIO::Layer->find('perlio') && $Config{d_fork} &&
+ eval 'require POSIX; 1') {
+ $can_fork = 1;
+ }
}
+use strict;
use File::Spec;
-use Test::More tests => 39;
+
+require "test.pl";
+plan(tests => 45 + 14 * $can_fork);
my @tempfiles = ();
1 while -e ++$f;
push @tempfiles, $f;
open my $fh, ">$f" or die "Can't create $f: $!";
- print $fh "package ".substr($_[0],0,-3)."; 1;";
- close $fh;
+ 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;
}
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' );
-is( ref $INC{'Foo.pm'}, 'CODE', ' key is a coderef in %INC' );
-is( $INC{'Foo.pm'}, \&fooinc, ' key is correct in %INC' );
+$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' );
-is( ref $INC{'Foo1.pm'}, 'CODE', ' key is a coderef in %INC' );
-is( $INC{'Foo1.pm'}, \&fooinc, ' key is correct in %INC' );
+$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' );
-is( ref $INC{'Foo2.pl'}, 'CODE', ' key is a coderef in %INC' );
-is( $INC{'Foo2.pl'}, \&fooinc, ' key is correct in %INC' );
+$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;
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' );
-is( ref $INC{'Bar.pm'}, 'ARRAY', ' key is an arrayref in %INC' );
-is( $INC{'Bar.pm'}, $arrayref, ' key is correct in %INC' );
+$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' );
-is( ref $INC{'Bar1.pm'}, 'ARRAY', ' key is an arrayref in %INC' );
-is( $INC{'Bar1.pm'}, $arrayref, ' key is correct in %INC' );
+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' );
-is( ref $INC{'Bar2.pl'}, 'ARRAY', ' key is an arrayref in %INC' );
-is( $INC{'Bar2.pl'}, $arrayref, ' key is correct in %INC' );
+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;
my $href = bless( {}, 'FooLoader' );
push @INC, $href;
-ok( eval { require Quux; 1 }, 'require() magic via hash object' );
-ok( exists $INC{'Quux.pm'}, ' %INC sees it' );
+$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',
- ' key is an object in %INC' );
-is( $INC{'Quux.pm'}, $href, ' key is correct in %INC' );
+ ' 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;
-ok( eval { require Quux1; 1 }, 'require() magic via array object' );
-ok( exists $INC{'Quux1.pm'}, ' %INC sees it' );
+$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',
- ' key is an object in %INC' );
-is( $INC{'Quux1.pm'}, $aref, ' key is correct in %INC' );
+ ' 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 Quux2; 1 }, 'require() magic via scalar object' );
-ok( exists $INC{'Quux2.pm'}, ' %INC sees it' );
+$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',
- ' key is an object in %INC' );
-is( $INC{'Quux2.pm'}, $sref, ' key is correct in %INC' );
+ ' val Quux2.pm is an object in %INC' );
+is( $INC{'Quux2.pm'}, $sref, ' val Quux2.pm is correct in %INC' );
+
+pop @INC;
+
+push @INC, sub {
+ my ($self, $filename) = @_;
+ if (substr($filename,0,4) eq 'Toto') {
+ $INC{$filename} = 'xyz';
+ return get_temp_fh($filename);
+ }
+ else {
+ return undef;
+ }
+};
+
+$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( $INC{'Toto.pm'}, 'xyz', ' val Toto.pm is correct in %INC' );
+
+pop @INC;
+
+push @INC, sub {
+ my ($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' );
pop @INC;
+
+my $filename = $^O eq 'MacOS' ? ':Foo:Foo.pm' : './Foo.pm';
+{
+ local @INC;
+ @INC = sub { $filename = 'seen'; return undef; };
+ eval { require $filename; };
+ is( $filename, 'seen', 'the coderef sees fully-qualified pathnames' );
+}
+
+if ($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