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1 | #!/usr/bin/env perl |
2 | use strict; |
3 | use warnings; |
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4 | use Test::More tests => 11; |
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5 | use Test::Exception; |
6 | |
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7 | use Mouse::Util::TypeConstraints; |
8 | |
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9 | do { |
10 | package My::Class; |
11 | use Mouse; |
12 | use Mouse::Util::TypeConstraints; |
13 | |
14 | subtype 'NonemptyStr' |
15 | => as 'Str' |
16 | => where { length $_ } |
17 | => message { "The string is empty!" }; |
18 | |
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19 | subtype 'MyClass' |
20 | => as 'Object' |
21 | => where { $_->isa(__PACKAGE__) }; |
22 | |
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23 | has name => ( |
24 | is => 'ro', |
25 | isa => 'NonemptyStr', |
26 | ); |
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27 | |
28 | |
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29 | }; |
30 | |
31 | ok(My::Class->new(name => 'foo')); |
32 | |
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33 | throws_ok { My::Class->new(name => '') } qr/^Attribute \(name\) does not pass the type constraint because: The string is empty!/; |
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34 | |
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35 | my $st = subtype as 'Str', where{ length }; |
36 | |
37 | ok $st->is_a_type_of('Str'); |
38 | ok!$st->is_a_type_of('NoemptyStr'); |
39 | |
40 | ok $st->check('Foo'); |
41 | ok!$st->check(undef); |
42 | ok!$st->check(''); |
43 | |
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44 | lives_and{ |
45 | my $tc = find_type_constraint('MyClass'); |
46 | ok $tc->check(My::Class->new()); |
47 | ok!$tc->check('My::Class'); |
48 | ok!$tc->check([]); |
49 | ok!$tc->check(undef); |
50 | }; |