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#!./perl -w
# Tests for the coderef-in-@INC feature
BEGIN {
chdir 't' if -d 't';
@INC = qw(. ../lib);
}
use File::Spec;
require "test.pl";
plan(tests => 45);
my @tempfiles = ();
sub get_temp_fh {
my $f = "DummyModule0000";
1 while -e ++$f;
push @tempfiles, $f;
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 $fh;
}
END { 1 while unlink @tempfiles }
sub fooinc {
my ($self, $filename) = @_;
if (substr($filename,0,3) eq 'Foo') {
return get_temp_fh($filename);
}
else {
return undef;
}
}
push @INC, \&fooinc;
my $evalret = eval { require Bar; 1 };
ok( !$evalret, 'Trying non-magic package' );
$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' );
$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' );
$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 $self->[1]) {
return get_temp_fh($filename);
}
else {
return undef;
}
}
my $arrayref = [ \&fooinc2, 'Bar' ];
push @INC, $arrayref;
$evalret = eval { require Foo; 1; };
die $@ if $@;
ok( $evalret, 'Originally loaded packages preserved' );
$evalret = eval { require Foo3; 1; };
ok( !$evalret, 'Original magic INC purged' );
$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 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 "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') {
return get_temp_fh($filename);
}
else {
return undef;
}
}
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;
$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'}, $sref, ' val Quux2.pm is correct in %INC' );
pop @INC;
push @INC, sub {
my ($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;
}
};
$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' );
}
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