use Test::More;
use Test::Fatal;
+use Test::Moose;
{
package Foo;
isa => 'Num',
predicate => 'has_attr1',
);
-
has 'attr2' => (
is => 'ro',
isa => 'Num',
predicate => 'has_attr2',
);
+ has 'attr3' => (
+ is => 'ro',
+ isa => 'Maybe[Num]',
+ predicate => 'has_attr3',
+ );
}
{
isa => 'Num',
predicate => 'has_attr2',
);
+ has 'attr3' => (
+ is => 'ro',
+ isa => 'Maybe[Num]',
+ predicate => 'has_attr3',
+ );
}
package main;
-sub do_tests
+with_immutable
{
note 'Testing class with a single UndefTolerant attribute';
{
my $obj = Foo->new;
ok(!$obj->has_attr1, 'attr1 has no value before it is assigned');
ok(!$obj->has_attr2, 'attr2 has no value before it is assigned');
+ ok(!$obj->has_attr3, 'attr3 has no value before it is assigned');
}
- {
- my $obj = Foo->new(attr1 => undef);
- ok(!$obj->has_attr1, 'UT attr1 has no value when assigned undef in constructor');
- is (exception { $obj = Foo->new(attr2 => undef) }, undef,
- 'But assigning undef to attr2 generates a type constraint error');
+ TODO: {
+ local $TODO;
+ $TODO = 'some immutable cases are not handled yet; see CAVEATS' if Foo->meta->is_immutable;
+ is(
+ exception {
+
+ my $obj = Foo->new(attr1 => undef);
+ ok(!$obj->has_attr1, 'UT attr1 has no value when assigned undef in constructor');
+ like(
+ exception { $obj = Foo->new(attr2 => undef) },
+ qr/\QAttribute (attr2) does not pass the type constraint because: Validation failed for 'Num' with value undef\E/,
+ 'But assigning undef to attr2 generates a type constraint error');
+
+ is (exception { $obj = Foo->new(attr3 => undef) }, undef,
+ 'assigning undef to attr3 is acceptable');
+ ok($obj->has_attr3, 'attr3 retains its undef value when assigned undef in constructor');
+ },
+ undef,
+ 'successfully tested spot-applicaction of UT trait in immutable classes',
+ );
}
{
- my $obj = Foo->new(attr1 => 1234, attr2 => 5678);
+ my $obj = Foo->new(attr1 => 1234, attr2 => 5678, attr3 => 9012);
is($obj->attr1, 1234, 'assigning a defined value during construction works as normal');
ok($obj->has_attr1, '...and the predicate returns true as normal');
+
is($obj->attr2, 5678, 'assigning a defined value during construction works as normal');
ok($obj->has_attr2, '...and the predicate returns true as normal');
+
+ is($obj->attr3, 9012, 'assigning a defined value during construction works as normal');
+ ok($obj->has_attr3, '...and the predicate returns true as normal');
}
{
my $obj = Bar->new;
ok(!$obj->has_attr1, 'attr1 has no value before it is assigned');
+ ok(!$obj->has_attr2, 'attr2 has no value before it is assigned');
+ ok(!$obj->has_attr3, 'attr3 has no value before it is assigned');
}
{
my $obj = Bar->new(attr1 => undef);
ok(!$obj->has_attr1, 'attr1 has no value when assigned undef in constructor');
+ # note this test differs from the Foo case above
is (exception { $obj = Bar->new(attr2 => undef) }, undef,
'assigning undef to attr2 does not produce an error');
ok(!$obj->has_attr2, 'attr2 has no value when assigned undef in constructor');
+
+ is( exception { $obj = Foo->new(attr3 => undef) }, undef,
+ 'assigning undef to attr3 is acceptable');
+ ok($obj->has_attr3, 'attr3 retains its undef value when assigned undef in constructor');
}
{
- my $obj = Bar->new(attr1 => 1234);
+ my $obj = Bar->new(attr1 => 1234, attr2 => 5678, attr3 => 9012);
is($obj->attr1, 1234, 'assigning a defined value during construction works as normal');
ok($obj->has_attr1, '...and the predicate returns true as normal');
- }
-}
-
-
-note 'Constructor behaviour: mutable classes';
-note '';
-do_tests;
-note '';
-note 'Constructor behaviour: immutable classes';
-note '';
-Foo->meta->make_immutable;
-Bar->meta->make_immutable;
-TODO: {
- local $TODO = 'some immutable cases are not handled yet';
- # for now, catch errors
- is(exception { do_tests }, undef, 'tests do not die');
+ is($obj->attr2, 5678, 'assigning a defined value during construction works as normal');
+ ok($obj->has_attr2, '...and the predicate returns true as normal');
- is(Test::More->builder->current_test, 28, 'if we got here, we can declare victory!');
+ is($obj->attr3, 9012, 'assigning a defined value during construction works as normal');
+ ok($obj->has_attr3, '...and the predicate returns true as normal');
+ }
}
+qw(Foo Bar);
+
+note 'Ran ', Test::More->builder->current_test, ' tests - should have run 56';
done_testing;