use warnings;
use Scalar::Util qw( isweak );
-use Test::More tests => 9;
+use Test::More;
{
package HasClassAttribute;
- use Moose;
+ use Moose qw( has );
use MooseX::ClassAttribute;
+ use MooseX::AttributeHelpers;
- has 'ObjectCount' =>
- ( metaclass => 'ClassAttribute',
- is => 'rw',
+ use vars qw($Lazy);
+ $Lazy = 0;
+
+ class_has 'ObjectCount' =>
+ ( is => 'rw',
isa => 'Int',
default => 0,
);
- has 'WeakAttribute' =>
- ( metaclass => 'ClassAttribute',
- is => 'rw',
+ class_has 'WeakAttribute' =>
+ ( is => 'rw',
isa => 'Object',
weak_ref => 1,
);
+ class_has 'LazyAttribute' =>
+ ( is => 'rw',
+ isa => 'Int',
+ lazy => 1,
+ # The side effect is used to test that this was called
+ # lazily.
+ default => sub { $Lazy = 1 },
+ );
+
+ class_has 'ReadOnlyAttribute' =>
+ ( is => 'ro',
+ isa => 'Int',
+ default => 10,
+ );
+
+ class_has 'ManyNames' =>
+ ( is => 'rw',
+ isa => 'Int',
+ reader => 'M',
+ writer => 'SetM',
+ clearer => 'ClearM',
+ predicate => 'HasM',
+ );
+
+ class_has 'Delegatee' =>
+ ( is => 'rw',
+ isa => 'Delegatee',
+ handles => [ 'units', 'color' ],
+ # if it's not lazy it makes a new object before we define
+ # Delegatee's attributes.
+ lazy => 1,
+ default => sub { Delegatee->new() },
+ );
+
+ class_has 'Mapping' =>
+ ( metaclass => 'Collection::Hash',
+ is => 'rw',
+ isa => 'HashRef[Str]',
+ default => sub { {} },
+ provides =>
+ { exists => 'ExistsInMapping',
+ keys => 'IdsInMapping',
+ get => 'GetMapping',
+ set => 'SetMapping',
+ },
+ );
+
+ class_has 'Built' =>
+ ( is => 'ro',
+ builder => '_BuildIt',
+ );
+
+ class_has 'LazyBuilt' =>
+ ( is => 'ro',
+ lazy => 1,
+ builder => '_BuildIt',
+ );
+
+ class_has 'Triggerish' =>
+ ( is => 'rw',
+ trigger => sub { shift->_CallTrigger(@_) },
+ );
+
has 'size' =>
( is => 'rw',
isa => 'Int',
default => 5,
);
+ no Moose;
+
sub BUILD
{
+ my $self = shift;
+
+ $self->ObjectCount( $self->ObjectCount() + 1 );
+ }
+
+ sub _BuildIt { 42 }
+
+ our @Triggered;
+ sub _CallTrigger
+ {
+ push @Triggered, [@_];
+ }
+
+ sub make_immutable
+ {
my $class = shift;
- $class->ObjectCount( $class->ObjectCount() + 1 );
+ $class->meta()->make_immutable();
+ Delegatee->meta()->make_immutable();
}
}
+{
+ package Delegatee;
+
+ use Moose;
+
+ has 'units' =>
+ ( is => 'ro',
+ default => 5,
+ );
+
+ has 'color' =>
+ ( is => 'ro',
+ default => 'blue',
+ );
+
+ no Moose;
+}
+
+{
+ package Child;
+
+ use Moose;
+ use MooseX::ClassAttribute;
+
+ extends 'HasClassAttribute';
+
+ class_has '+ReadOnlyAttribute' =>
+ ( default => 30 );
+
+ class_has 'YetAnotherAttribute' =>
+ ( is => 'ro',
+ default => 'thing',
+ );
+
+ no Moose;
+}
+
sub run_tests
{
+ plan tests => 30;
+
local $Test::Builder::Level = $Test::Builder::Level + 1;
{
{
my $hca3 = HasClassAttribute->new( ObjectCount => 20 );
is( $hca3->ObjectCount(), 3,
- 'class attributes are not affected by constructor params' );
+ 'class attributes passed to the constructor do not get set in the object' );
is( HasClassAttribute->ObjectCount(), 3,
'class attributes are not affected by constructor params' );
}
HasClassAttribute->WeakAttribute($object);
- ok( isweak( $HasClassAttribute::__ClassAttribute{WeakAttribute} ),
+ undef $object;
+
+ ok( ! defined HasClassAttribute->WeakAttribute(),
'weak class attributes are weak' );
}
+
+ {
+ is( $HasClassAttribute::Lazy, 0,
+ '$HasClassAttribute::Lazy is 0' );
+
+ is( HasClassAttribute->LazyAttribute(), 1,
+ 'HasClassAttribute->LazyAttribute() is 1' );
+
+ is( $HasClassAttribute::Lazy, 1,
+ '$HasClassAttribute::Lazy is 1 after calling LazyAttribute' );
+ }
+
+ {
+ eval { HasClassAttribute->ReadOnlyAttribute(20) };
+ like( $@, qr/\QCannot assign a value to a read-only accessor/,
+ 'cannot set read-only class attribute' );
+ }
+
+ {
+ is( Child->ReadOnlyAttribute(), 30,
+ q{Child class can extend parent's class attribute} );
+ }
+
+ {
+ ok( ! HasClassAttribute->HasM(),
+ 'HasM() returns false before M is set' );
+
+ HasClassAttribute->SetM(22);
+
+ ok( HasClassAttribute->HasM(),
+ 'HasM() returns true after M is set' );
+ is( HasClassAttribute->M(), 22,
+ 'M() returns 22' );
+
+ HasClassAttribute->ClearM();
+
+ ok( ! HasClassAttribute->HasM(),
+ 'HasM() returns false after M is cleared' );
+ }
+
+ {
+ isa_ok( HasClassAttribute->Delegatee(), 'Delegatee',
+ 'has a Delegetee object' );
+ is( HasClassAttribute->units(), 5,
+ 'units() delegates to Delegatee and returns 5' );
+ }
+
+ {
+ my @ids = HasClassAttribute->IdsInMapping();
+ is( scalar @ids, 0,
+ 'there are no keys in the mapping yet' );
+
+ ok( ! HasClassAttribute->ExistsInMapping('a'),
+ 'key does not exist in mapping' );
+
+ HasClassAttribute->SetMapping( a => 20 );
+
+ ok( HasClassAttribute->ExistsInMapping('a'),
+ 'key does exist in mapping' );
+
+ is( HasClassAttribute->GetMapping('a'), 20,
+ 'value for a in mapping is 20' );
+ }
+
+ {
+ is( HasClassAttribute->Built(), 42,
+ 'attribute with builder works' );
+
+ is( HasClassAttribute->LazyBuilt(), 42,
+ 'attribute with lazy builder works' );
+ }
+
+ {
+ HasClassAttribute->Triggerish(42);
+ is( scalar @HasClassAttribute::Triggered, 1, 'trigger was called' );
+ is( HasClassAttribute->Triggerish(), 42, 'Triggerish is now 42' );
+
+ HasClassAttribute->Triggerish(84);
+ is( HasClassAttribute->Triggerish(), 84, 'Triggerish is now 84' );
+
+ is_deeply( \@HasClassAttribute::Triggered,
+ [ [ qw( HasClassAttribute 42 ) ],
+ [ qw( HasClassAttribute 84 42 ) ],
+ ],
+ 'trigger passes old value correctly' );
+ }
}
projects / gitmo/MooseX-ClassAttribute.git / blobdiff