libsub-install-perl/t/reinstall.t

90 lines
2.2 KiB
Perl

use Sub::Install qw(reinstall_sub);
use Test::More tests => 15;
use strict;
use warnings;
# These tests largely copied from Damian Conway's Sub::Installer tests.
{ # Install a sub in a package...
my $sub_ref = reinstall_sub({ code => \&ok, as => 'ok1' });
isa_ok($sub_ref, 'CODE', 'return value of first install_sub');
is_deeply($sub_ref, \&Test::More::ok, 'it returned the right coderef');
$sub_ref->(1, 'returned code ref runs');
ok1(1, "reinstalled sub runs");
}
{
my $to_avail = eval "use Test::Output; 1";
SKIP: {
skip "can't run this test without Test::Output", 1 unless $to_avail;
Sub::Install::reinstall_sub({ code => \&ok, as => 'tmp_ok' });
my $expected_warning = <<'END_WARNING';
Prototype mismatch: sub main::tmp_ok ($;$) vs ($$;$) at t/reinstall.t line 32
END_WARNING
my $stderr = Test::Output::stderr_from(
sub { Sub::Install::reinstall_sub({ code => \&is, as => 'tmp_ok' }) }
);
$stderr =~ s!\\!/!g;
$stderr =~ s!\.$!!g;
is(
$stderr,
$expected_warning,
"got expected warning",
);
}
}
{ # Install the same sub in the same package...
my $proto = 0;
local $SIG{__WARN__} = sub {
return ($proto = 1) if $_[0] =~ m{Prototype mismatch.+t.reinstall\.t};
die "unexpected warning: @_";
};
my $sub_ref = reinstall_sub({ code => \&is, as => 'ok1' });
ok($proto, 'correct warning went to $SIG{__WARN__}');
isa_ok($sub_ref, 'CODE', 'return value of second install_sub');
is_deeply($sub_ref, \&Test::More::is, 'it returned the right coderef');
$sub_ref->(1, 1, 'returned code ref runs');
ok1(1,1, 'reinstalled sub reruns');
}
{ # Install in another package...
my $new_code = sub { ok(1, "remotely installed sub runs") };
my $sub_ref = reinstall_sub({
code => $new_code,
into => 'Other',
as => 'ok1',
});
isa_ok($sub_ref, 'CODE', 'return value of third install_sub');
is_deeply($sub_ref, $new_code, 'it returned the right coderef');
ok1(1,1, 'reinstalled sub reruns');
package Other;
ok1();
}
eval {
my $arg = { code => sub {}, into => 'Other', as => 'ok1' };
Sub::Install::_build_public_installer(\&Sub::Install::_install_fatal)->($arg);
};
like($@, qr/redefine/, "(experimental fatal installer should croak)");