/usr/share/doc/perl-Sub-Exporter/t
Edit: /usr/share/doc/perl-Sub-Exporter/t/real-export-href.t (4223B)
#!/usr/bin/perl -T
use strict;
use warnings;
=head1 TEST PURPOSE
These tests exercise the use of Sub::Exporter via its setup_exporter routine.
They use Test::SubExporter::s_e, bundled in ./t/lib, which uses this calling
style.
=cut
use Test::More tests => 48;
BEGIN { use_ok('Sub::Exporter'); }
our $exporting_class = 'Test::SubExporter::s_e';
use lib 't/lib';
for my $iteration (1..2) {
{
package Test::SubExporter::BUILT;
my $import = Sub::Exporter::build_exporter({ exports => [ 'X' ] });
Sub::Exporter::setup_exporter({
exports => [ 'X' ],
into => 'Test::SubExporter::VIOLATED' . "_$iteration",
as => 'gimme_X_from',
});
sub X { return "expected" }
package Test::SubExporter::BUILT::CONSUMER;
$import->('Test::SubExporter::BUILT', ':all');
main::is(X(), "expected", "manually constructed importer worked");
eval <
{ -as => 'plugh' });
use subs qw(plugh);
main::is(
plugh,
"Nothing happens.",
"RENAME: default export xyzzy=>plugh works as expected"
);
package Test::SubExporter::SAILOR;
main::use_ok($exporting_class, ':sailor');
use subs qw(xyzzy hs_works hs_fails);
main::is(
xyzzy,
"Nothing happens.",
"SAILOR: default export xyzzy works as expected"
);
main::is(
hs_works,
"Something happens!",
"SAILOR: hs_works export works as expected"
);
main::is(
hs_fails,
"Nothing happens yet.",
"SAILOR: hs_fails export works as expected"
);
package Test::SubExporter::Z3;
main::use_ok(
$exporting_class,
hello_sailor => { game => 'zork3' },
hi_sailor => undef,
);
use subs qw(hello_sailor hi_sailor);
main::is(
hello_sailor,
"Something happens!",
"Z3: custom hello_sailor works as expected"
);
main::is(
hi_sailor,
"Nothing happens yet.",
"Z3: hi_sailor, using symbolic import and no args, works as expected"
);
package Test::SubExporter::FROTZ_SAILOR;
main::use_ok($exporting_class, -sailor => { -prefix => 'frotz_' });
use subs map { "frotz_$_" }qw(xyzzy hs_works hs_fails);
main::is(
frotz_xyzzy,
"Nothing happens.",
"FROTZ_SAILOR: default export xyzzy works as expected"
);
main::is(
frotz_hs_works,
"Something happens!",
"FROTZ_SAILOR: hs_works export works as expected"
);
main::is(
frotz_hs_fails,
"Nothing happens yet.",
"FROTZ_SAILOR: hs_fails export works as expected"
);
package Test::SubExporter::Z3_REF;
my $hello;
main::use_ok(
$exporting_class,
hello_sailor => { game => 'zork3', -as => \$hello }
);
eval "hello_sailor;";
main::like(
$@,
qr/Bareword "hello_sailor" not allowed/,
"Z3_REF: hello_sailor isn't actually imported to package"
);
main::is(
$hello->(),
"Something happens!",
"Z3_REF: hello_sailor properly exported to scalar ref",
);
package Test::SubExporter::Z3_BADREF;
main::require_ok($exporting_class);
eval {
Test::SubExporter::s_e->import(hello_sailor => { game => 'zork3', -as => {} });
};
main::like(
$@,
qr/invalid reference type/,
"can't pass a non-scalar ref to -as",
);
}
sub install_upstream {
Sub::Exporter::setup_exporter({
exports => [ 'X' ],
as => 'gimme_X_from',
into_level => 1,
});
}
package Test::SubExporter::LEVEL_1;
sub X { return 1 };
main::install_upstream;
package Test::SubExporter::CALLS_LEVEL_1;
Test::SubExporter::LEVEL_1->gimme_X_from(X => { -as => 'x_from_1' });
use subs 'x_from_1';
main::is(x_from_1(), 1, "imported from uplevel-installed exporter");