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|
#!./perl -w
BEGIN {
if ($ENV{PERL_CORE}) {
chdir 't' if -d 't';
@INC = '../lib';
}
}
use strict;
use File::Spec;
use File::Path;
my $dir;
BEGIN
{
$dir = File::Spec->catdir( "auto-$$" );
unshift @INC, $dir;
}
use Test::More tests => 18;
sub write_file {
my ($file, $text) = @_;
open my $fh, '>', $file
or die "Could not open file '$file' for writing: $!";
print $fh $text;
close $fh;
}
# First we must set up some autoloader files
my $fulldir = File::Spec->catdir( $dir, 'auto', 'Foo' );
mkpath( $fulldir ) or die "Can't mkdir '$fulldir': $!";
write_file( File::Spec->catfile( $fulldir, 'foo.al' ), <<'EOT' );
package Foo;
sub foo { shift; shift || "foo" }
1;
EOT
write_file( File::Spec->catfile( $fulldir, 'bazmarkhian.al' ), <<'EOT' );
package Foo;
sub bazmarkhianish { shift; shift || "baz" }
1;
EOT
my $blechanawilla_text = <<'EOT';
package Foo;
sub blechanawilla { compilation error (
EOT
write_file( File::Spec->catfile( $fulldir, 'blechanawilla.al' ), $blechanawilla_text );
# This is just to keep the old SVR3 systems happy; they may fail
# to find the above file so we duplicate it where they should find it.
write_file( File::Spec->catfile( $fulldir, 'blechanawil.al' ), $blechanawilla_text );
# Let's define the package
package Foo;
require AutoLoader;
AutoLoader->import( 'AUTOLOAD' );
sub new { bless {}, shift };
sub foo;
sub bazmarkhianish;
package main;
my $foo = Foo->new();
my $result = $foo->can( 'foo' );
ok( $result, 'can() first time' );
is( $foo->foo, 'foo', 'autoloaded first time' );
is( $foo->foo, 'foo', 'regular call' );
is( $result, \&Foo::foo, 'can() returns ref to regular installed sub' );
eval {
$foo->will_fail;
};
like( $@, qr/^Can't locate/, 'undefined method' );
$result = $foo->can( 'will_fail' );
ok( ! $result, 'can() should fail on undefined methods' );
# Used to be trouble with this
eval {
my $foo = Foo->new();
die "oops";
};
like( $@, qr/oops/, 'indirect method call' );
# Pass regular expression variable to autoloaded function. This used
# to go wrong because AutoLoader used regular expressions to generate
# autoloaded filename.
'foo' =~ /(\w+)/;
is( $foo->bazmarkhianish($1), 'foo', 'autoloaded method should not stomp match vars' );
is( $foo->bazmarkhianish($1), 'foo', '(again)' );
# Used to retry long subnames with shorter filenames on any old
# exception, including compilation error. Now AutoLoader only
# tries shorter filenames if it can't find the long one.
eval {
$foo->blechanawilla;
};
like( $@, qr/syntax error/i, 'require error propagates' );
# test recursive autoloads
write_file( File::Spec->catfile( $fulldir, 'a.al' ), <<'EOT' );
package Foo;
BEGIN { b() }
sub a { ::ok( 1, 'adding a new autoloaded method' ); }
1;
EOT
write_file( File::Spec->catfile( $fulldir, 'b.al' ), <<'EOT' );
package Foo;
sub b { ::ok( 1, 'adding a new autoloaded method' ) }
1;
EOT
Foo::a();
package Bar;
AutoLoader->import();
::ok( ! defined &AUTOLOAD, 'AutoLoader should not export AUTOLOAD by default' );
::ok( ! defined &can, '... nor can()' );
package Foo;
AutoLoader->unimport();
eval { Foo->baz() };
::like( $@, qr/locate object method "baz"/,
'unimport() should remove imported AUTOLOAD()' );
package Baz;
sub AUTOLOAD { 'i am here' }
AutoLoader->import();
AutoLoader->unimport();
::is( Baz->AUTOLOAD(), 'i am here', '... but not non-imported AUTOLOAD()' );
package SomeClass;
use AutoLoader 'AUTOLOAD';
sub new {
bless {} => shift;
}
package main;
$INC{"SomeClass.pm"} = $0; # Prepare possible recursion
{
my $p = SomeClass->new();
} # <-- deep recursion in AUTOLOAD looking for SomeClass::DESTROY?
::ok(1, "AutoLoader shouldn't loop forever if \%INC is modified");
# Now test the bug that lead to AutoLoader 0.67:
# If the module is loaded from a file name different than normal,
# we could formerly have trouble finding autosplit.ix
# Contributed by Christoph Lamprecht.
# Recreate the following file structure:
# auto/MyAddon/autosplit.ix
# auto/MyAddon/testsub.al
# MyModule.pm
SCOPE: {
my $autopath = File::Spec->catdir( $dir, 'auto', 'MyAddon' );
mkpath( $autopath ) or die "Can't mkdir '$autopath': $!";
my $autosplit_text = <<'EOT';
# Index created by AutoSplit for MyModule.pm
# (file acts as timestamp)
package MyAddon;
sub testsub ;
1;
EOT
write_file( File::Spec->catfile( $autopath, 'autosplit.ix' ), $autosplit_text );
my $testsub_text = <<'EOT';
# NOTE: Derived from MyModule.pm.
# Changes made here will be lost when autosplit is run again.
# See AutoSplit.pm.
package MyAddon;
#line 13 "MyModule.pm (autosplit into auto/MyAddon/testsub.al)"
sub testsub{
return "MyAddon";
}
1;
# end of MyAddon::testsub
EOT
write_file( File::Spec->catfile( $autopath, 'testsub.al' ), $testsub_text);
my $mymodule_text = <<'EOT';
use strict;
use warnings;
package MyModule;
sub testsub{return 'MyModule';}
package MyAddon;
our @ISA = ('MyModule');
BEGIN{$INC{'MyAddon.pm'} = __FILE__}
use AutoLoader 'AUTOLOAD';
1;
__END__
sub testsub{
return "MyAddon";
}
EOT
write_file( File::Spec->catfile( $dir, 'MyModule.pm' ), $mymodule_text);
require MyModule;
my $res = MyAddon->testsub();
::is ($res , 'MyAddon', 'invoke MyAddon::testsub');
}
# cleanup
END {
return unless $dir && -d $dir;
rmtree $dir;
}
|
