9 use Moose::Util::TypeConstraints;
21 extends qw(Bar Gorch);
25 is( exception { class_type 'Beep' }, undef, 'class_type keywork works' );
26 is( exception { class_type('Boop', message { "${_} is not a Boop" }) }, undef, 'class_type keywork works with message' );
28 my $type = find_type_constraint("Foo");
30 is( $type->class, "Foo", "class attribute" );
32 ok( !$type->is_subtype_of('Foo'), "Foo is not subtype of Foo" );
33 ok( !$type->is_subtype_of($type), '$foo_type is not subtype of $foo_type' );
35 ok( $type->is_subtype_of("Gorch"), "subtype of gorch" );
37 ok( $type->is_subtype_of("Bar"), "subtype of bar" );
39 ok( $type->is_subtype_of("Object"), "subtype of Object" );
41 ok( !$type->is_subtype_of("ThisTypeDoesNotExist"), "not subtype of undefined type" );
42 ok( !$type->is_a_type_of("ThisTypeDoesNotExist"), "not type of undefined type" );
44 ok( find_type_constraint("Bar")->check(Foo->new), "Foo passes Bar" );
45 ok( find_type_constraint("Bar")->check(Bar->new), "Bar passes Bar" );
46 ok( !find_type_constraint("Gorch")->check(Bar->new), "but Bar doesn't pass Gorch");
48 ok( find_type_constraint("Beep")->check( bless {} => 'Beep' ), "Beep passes Beep" );
49 my $boop = find_type_constraint("Boop");
50 ok( $boop->has_message, 'Boop has a message');
51 my $error = $boop->get_message(Foo->new);
52 like( $error, qr/is not a Boop/, 'boop gives correct error message');
55 ok( $type->equals($type), "equals self" );
56 ok( $type->equals(Moose::Meta::TypeConstraint::Class->new( name => "__ANON__", class => "Foo" )), "equals anon constraint of same value" );
57 ok( $type->equals(Moose::Meta::TypeConstraint::Class->new( name => "Oink", class => "Foo" )), "equals differently named constraint of same value" );
58 ok( !$type->equals(Moose::Meta::TypeConstraint::Class->new( name => "__ANON__", class => "Bar" )), "doesn't equal other anon constraint" );
59 ok( $type->is_subtype_of(Moose::Meta::TypeConstraint::Class->new( name => "__ANON__", class => "Bar" )), "subtype of other anon constraint" );
72 my $parent = Moose::Meta::TypeConstraint::Class->new(
76 ok($parent->is_a_type_of('Parent'));
77 ok(!$parent->is_subtype_of('Parent'));
78 ok($parent->is_a_type_of($parent));
79 ok(!$parent->is_subtype_of($parent));
81 my $child = Moose::Meta::TypeConstraint::Class->new(
85 ok($child->is_a_type_of('Child'));
86 ok(!$child->is_subtype_of('Child'));
87 ok($child->is_a_type_of($child));
88 ok(!$child->is_subtype_of($child));
89 ok($child->is_a_type_of('Parent'));
90 ok($child->is_subtype_of('Parent'));
91 ok($child->is_a_type_of($parent));
92 ok($child->is_subtype_of($parent));
97 is( exception { $type = class_type 'MyExampleClass' }, undef, 'Make initial class_type' );
98 coerce 'MyExampleClass', from 'Str', via { bless {}, 'MyExampleClass' };
99 # We test class_type keeping the existing type (not making a new one) here.
100 is( exception { is(class_type('MyExampleClass'), $type, 're-running class_type gives same type') }, undef, 'No exception making duplicate class_type' );;
102 # Next define a class which needs this type and it's original coercion
103 # Note this has to be after the 2nd class_type call to test the bug as M::M::Attribute grabs
104 # the type constraint which is there at the time the attribute decleration runs.
106 package HoldsExample;
109 has foo => ( isa => 'MyExampleClass', is => 'ro', coerce => 1, required => 1 );
113 is( exception { isa_ok(HoldsExample->new(foo => "bar")->foo, 'MyExampleClass') }, undef, 'class_type coercion works' );