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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
use Test::Exception;
{
package My::MooseX::LazyRequire;
use MooseX::Attribute::Shorthand ();
sub import {
my $class = caller;
MooseX::Attribute::Shorthand->import(
-for_class => $class,
lazy_required => {
lazy => 1,
required => 1,
default => sub {
my $name = shift;
sub {
Carp::confess "Attribute $name must be provided before calling reader";
}
},
},
);
}
}
{
package Foo;
use Moose;
BEGIN { My::MooseX::LazyRequire->import }
has bar => (
is => 'ro',
lazy_required => 1,
);
has baz => (
is => 'ro',
builder => '_build_baz',
);
sub _build_baz { shift->bar + 1 }
}
{
my $foo;
lives_ok(sub {
$foo = Foo->new(bar => 42);
});
is($foo->baz, 43);
}
{
my $foo;
lives_ok(sub {
$foo = Foo->new(baz => 23);
});
is($foo->baz, 23);
}
throws_ok(sub {
Foo->new;
}, qr/must be provided/);
{
package Bar;
use Moose;
BEGIN { My::MooseX::LazyRequire->import }
has foo => (
is => 'rw',
lazy_required => 1,
);
has baz => (
is => 'ro',
lazy => 1,
builder => '_build_baz',
);
sub _build_baz { shift->foo + 1 }
}
{
my $bar = Bar->new;
throws_ok(sub {
$bar->baz;
}, qr/must be provided/);
$bar->foo(42);
my $baz;
lives_ok(sub {
$baz = $bar->baz;
});
is($baz, 43);
}
done_testing;
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