ヤミRoot VoidGate

Viewing: accessor-trigger.t

use Moo::_strictures;
use Test::More;
use Test::Fatal;

our @tr;

sub run_for {
  my $class = shift;

  @tr = ();

  my $obj = $class->new;

  ok(!@tr, "${class}: trigger not fired with no value");

  $obj = $class->new(one => 1);

  is_deeply(\@tr, [ 1 ], "${class}: trigger fired on new");

  my $res = $obj->one(2);

  is_deeply(\@tr, [ 1, 2 ], "${class}: trigger fired on set");

  is($res, 2, "${class}: return from set ok");

  is($obj->one, 2, "${class}: return from accessor ok");

  is_deeply(\@tr, [ 1, 2 ], "${class}: trigger not fired for accessor as get");
}

{
  package Foo;

  use Moo;

  has one => (is => 'rw', trigger => sub { push @::tr, $_[1] });
}

run_for 'Foo';

{
  package Bar;

  use Sub::Quote;
  use Moo;

  has one => (is => 'rw', trigger => quote_sub q{ push @::tr, $_[1] });
}

run_for 'Bar';

{
  package Baz;

  use Sub::Quote;
  use Moo;

  has one => (
    is => 'rw',
    trigger => quote_sub(q{ push @{$tr}, $_[1] }, { '$tr' => \\@::tr })
  );
}

run_for 'Baz';

{
  package Default;

  use Sub::Quote;
  use Moo;

  has one => (
    is => 'rw',
    trigger => quote_sub(q{ push @{$tr}, $_[1] }, { '$tr' => \\@::tr }),
    default => sub { 0 }
  );
}

run_for 'Default';

{
  package LazyDefault;

  use Sub::Quote;
  use Moo;

  has one => (
    is => 'rw',
    trigger => quote_sub(q{ push @{$tr}, $_[1] }, { '$tr' => \\@::tr }),
    default => sub { 0 },
    lazy => 1
  );
}

run_for 'LazyDefault';

{
  package Shaz;

  use Moo;

  has one => (is => 'rw', trigger => 1 );

  sub _trigger_one { push @::tr, $_[1] }
}

run_for 'Shaz';

{
  package AccessorValue;

  use Moo;

  has one => (
    is => 'rw',
    isa => sub { 1 },
    trigger => sub { push @::tr, $_[0]->one },
  );
}

run_for 'AccessorValue';

{
  package TriggerWriter;
  use Moo;
  has attr => (
    is      => 'rwp',
    trigger => sub { die 'triggered' },
  );
}
like exception { TriggerWriter->new->_set_attr( 4 ) },
  qr/triggered/, "trigger triggered via writer";

is exception {
  package TriggerNoInit;
  use Moo;
  has attr => (
    is      => 'rw',
    default => 1,
    init_arg => undef,
    trigger => sub { die 'triggered' },
  );
}, undef,
  'trigger+default+init_arg undef works';

is exception { TriggerNoInit->new }, undef,
  'trigger not called on default without init_arg';

done_testing;
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