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|
=pod
=encoding utf-8
=head1 PURPOSE
Checks Type::Coercion works.
=head1 DEPENDENCIES
Uses the bundled BiggerLib.pm type library.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014, 2017-2023 by Toby Inkster.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
use strict;
use warnings;
use lib qw( ./lib ./t/lib ../inc ./inc );
use Test::More;
use Test::Fatal;
use BiggerLib -types, -coercions;
is(
BigInteger->coercion->coerce(2),
12,
'coercion works',
);
is(
BigInteger->coercion->(2),
12,
'coercion overloads &{}',
);
ok(
BigInteger->coercion->has_coercion_for_type(ArrayRef),
'BigInteger has_coercion_for_type ArrayRef',
);
ok(
BigInteger->coercion->has_coercion_for_type(SmallInteger),
'BigInteger has_coercion_for_type SmallInteger',
);
ok(
!BigInteger->coercion->has_coercion_for_type(HashRef),
'not BigInteger has_coercion_for_type SmallInteger',
);
cmp_ok(
BigInteger->coercion->has_coercion_for_type(BigInteger),
eq => '0 but true',
'BigInteger has_coercion_for_type BigInteger eq "0 but true"'
);
my $BiggerInteger = BigInteger->create_child_type(
constraint => sub { $_ > 1_000_000 },
);
cmp_ok(
BigInteger->coercion->has_coercion_for_type($BiggerInteger),
eq => '0 but true',
'BigInteger has_coercion_for_type $BiggerInteger eq "0 but true"'
);
ok(
BigInteger->coercion->has_coercion_for_value([]),
'BigInteger has_coercion_for_value []',
);
ok(
BigInteger->coercion->has_coercion_for_value(2),
'BigInteger has_coercion_for_value 2',
);
ok(
!BigInteger->coercion->has_coercion_for_value({}),
'not BigInteger has_coercion_for_value {}',
);
cmp_ok(
BigInteger->coercion->has_coercion_for_value(200),
eq => '0 but true',
'BigInteger has_coercion_for_value 200 eq "0 but true"'
);
is(
exception { BigInteger->coerce([]) },
undef,
"coerce doesn't throw an exception if it can coerce",
);
is(
exception { BigInteger->coerce({}) },
undef,
"coerce doesn't throw an exception if it can't coerce",
);
is(
exception { BigInteger->assert_coerce([]) },
undef,
"assert_coerce doesn't throw an exception if it can coerce",
);
like(
exception { BigInteger->assert_coerce({}) },
qr{^Reference \{\} did not pass type constraint "BigInteger"},
"assert_coerce DOES throw an exception if it can't coerce",
);
isa_ok(
ArrayRefFromAny,
'Type::Coercion',
'ArrayRefFromAny',
);
is_deeply(
ArrayRefFromAny->coerce(1),
[1],
'ArrayRefFromAny coercion works',
);
my $sum1 = 'Type::Coercion'->add(ArrayRefFromAny, ArrayRefFromPiped);
is_deeply(
$sum1->coerce("foo|bar"),
["foo|bar"],
"Coercion $sum1 prioritizes ArrayRefFromAny",
);
my $sum2 = 'Type::Coercion'->add(ArrayRefFromPiped, ArrayRefFromAny);
is_deeply(
$sum2->coerce("foo|bar"),
["foo","bar"],
"Coercion $sum2 prioritizes ArrayRefFromPiped",
);
my $arr = ArrayRef->plus_fallback_coercions(ArrayRefFromAny);
is_deeply(
$arr->coerce("foo|bar"),
["foo|bar"],
"Type \$arr coercion works",
);
my $sum3 = $arr->plus_fallback_coercions(ArrayRefFromPiped);
is_deeply(
$sum3->coerce("foo|bar"),
["foo|bar"],
"Type \$sum3 coercion works",
);
my $sum4 = $arr->plus_coercions(ArrayRefFromPiped);
is_deeply(
$sum4->coerce("foo|bar"),
["foo","bar"],
"Type \$sum4 coercion works",
);
use Test::TypeTiny;
my $arrayref_from_piped = ArrayRef->plus_coercions(ArrayRefFromPiped);
my $coercibles = $arrayref_from_piped->coercibles;
should_pass([], $coercibles);
should_pass('1|2|3', $coercibles);
should_fail({}, $coercibles);
should_pass([], ArrayRef->coercibles);
should_fail('1|2|3', ArrayRef->coercibles);
should_fail({}, ArrayRef->coercibles);
is($arrayref_from_piped->coercibles, $arrayref_from_piped->coercibles, '$arrayref_from_piped->coercibles == $arrayref_from_piped->coercibles');
# ensure that add_type_coercion can handle Type::Coercions
subtest 'add a Type::Coercion to a Type::Coercion' => sub {
my $coercion = Type::Coercion->new;
ok(
!$coercion->has_coercion_for_type( Str ),
"empty coercion can't coerce a Str"
);
is( exception { $coercion->add_type_coercions( ArrayRefFromPiped ) },
undef, "add a coercion from Str" );
ok(
$coercion->has_coercion_for_type( Str ),
"check that coercion was added"
);
# now see if coercion actually works
my $arrayref_from_piped = ArrayRef->plus_coercions($coercion);
my $coercibles = $arrayref_from_piped->coercibles;
should_pass('1|2|3', $coercibles, "can coerce from a Str");
};
done_testing;
|
