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|
#!perl -T
use strict;
use warnings;
use Test::More;
BEGIN {
if (eval { require Package::Generator; 1; }) {
plan 'no_plan';
} else {
plan skip_all => "the mixin exporter requires Package::Generator";
}
}
BEGIN { use_ok("Sub::Exporter"); }
BEGIN {
package Thing;
use Sub::Exporter -setup => {
exports => {
bar => sub { sub { 1 } },
foo => sub {
my ($c, $n, $a) = @_;
sub { return $c . ($a->{arg}) }
}
},
};
}
BEGIN {
package Thing::Mixin;
BEGIN { main::use_ok("Sub::Exporter::Util", 'mixin_installer'); }
use Sub::Exporter -setup => {
installer => mixin_installer,
exports => {
bar => sub { sub { 1 } },
foo => sub {
my ($c, $n, $a) = @_;
sub { return $c . ($a->{arg}) }
}
},
};
}
package Test::SubExporter::MIXIN::0;
BEGIN {
Thing->import(
{ installer => Sub::Exporter::Util::mixin_installer },
-all => { arg => '0' },
);
}
package Test::SubExporter::MIXIN::1;
BEGIN {
Thing->import(
{ installer => Sub::Exporter::Util::mixin_installer },
-all => { arg => '1' },
);
}
package Test::SubExporter::MIXIN::2;
BEGIN {
Thing::Mixin->import(
-all => { arg => '2' },
);
}
package Test::SubExporter::MIXIN::3;
BEGIN {
Thing::Mixin->import(
-all => { arg => '3' },
);
}
package main;
my @pkg = map { "Test::SubExporter::MIXIN::$_" } (0 .. 3);
for (0 .. $#pkg) {
my $ext = $_ > 1 ? '::Mixin' : '';
my $val = eval { $pkg[$_]->foo } || ($@ ? "died: $@" : undef);
is(
$val,
"Thing$ext$_",
"mixed in method in $pkg[$_] returns correctly"
);
is($pkg[$_]->bar, 1, "bar method for $pkg[$_] is ok, too");
}
my @super = map {; no strict 'refs'; [ @{$_ . "::ISA"} ] } @pkg;
for my $x (0 .. $#pkg) {
is(@{$super[$x]}, 1, "one parent for $pkg[$x]: @{$super[$x]}");
for my $y (($x + 1) .. $#pkg) {
isnt("@{$super[$x]}", "@{$super[$y]}", "parent($x) ne parent($y)")
}
}
{
package Test::SubExporter::OBJECT;
sub new { bless {} => shift }
sub plugh { "plugh" }
}
package main;
my $obj_1 = Test::SubExporter::OBJECT->new;
isa_ok($obj_1, "Test::SubExporter::OBJECT", "first object");
is(ref $obj_1, "Test::SubExporter::OBJECT", "first object's ref is TSEO");
my $obj_2 = Test::SubExporter::OBJECT->new;
isa_ok($obj_2, "Test::SubExporter::OBJECT", "second object");
is(ref $obj_2, "Test::SubExporter::OBJECT", "second object's ref is TSEO");
Thing::Mixin->import({ into => $obj_1 }, qw(bar));
pass("mixin-exporting to an object didn't die");
is(
eval { $obj_1->bar },
1,
"now that object has a bar method"
);
isa_ok($obj_1, "Test::SubExporter::OBJECT");
isnt(ref $obj_1, "Test::SubExporter::OBJECT", "but its actual class isnt TSEO");
|
