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1 | use Test::More; |
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2 | use Test::Fatal; |
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3 | |
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4 | { |
5 | package Foo; |
6 | use Moose; |
7 | |
8 | has 'attr1' => ( |
9 | traits => [ qw(MooseX::UndefTolerant::Attribute)], |
10 | is => 'ro', |
11 | isa => 'Num', |
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12 | predicate => 'has_attr1', |
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13 | ); |
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14 | |
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15 | has 'attr2' => ( |
16 | is => 'ro', |
17 | isa => 'Num', |
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18 | predicate => 'has_attr2', |
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19 | ); |
20 | } |
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21 | |
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22 | { |
23 | package Bar; |
24 | use Moose; |
25 | use MooseX::UndefTolerant; |
26 | |
27 | has 'attr1' => ( |
28 | is => 'ro', |
29 | isa => 'Num', |
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30 | predicate => 'has_attr1', |
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31 | ); |
32 | has 'attr2' => ( |
33 | is => 'ro', |
34 | isa => 'Num', |
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35 | predicate => 'has_attr2', |
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36 | ); |
37 | } |
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38 | |
39 | package main; |
40 | |
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41 | sub do_tests |
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42 | { |
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43 | note 'Testing class with a single UndefTolerant attribute'; |
44 | { |
45 | my $obj = Foo->new; |
46 | ok(!$obj->has_attr1, 'attr1 has no value before it is assigned'); |
47 | ok(!$obj->has_attr2, 'attr2 has no value before it is assigned'); |
48 | } |
49 | |
50 | { |
51 | my $obj = Foo->new(attr1 => undef); |
52 | ok(!$obj->has_attr1, 'UT attr1 has no value when assigned undef in constructor'); |
53 | ok (exception { $obj = Foo->new(attr2 => undef) }, |
54 | 'But assigning undef to attr2 generates a type constraint error'); |
55 | } |
56 | |
57 | { |
58 | my $obj = Foo->new(attr1 => 1234, attr2 => 5678); |
59 | is($obj->attr1, 1234, 'assigning a defined value during construction works as normal'); |
60 | ok($obj->has_attr1, '...and the predicate returns true as normal'); |
61 | is($obj->attr2, 5678, 'assigning a defined value during construction works as normal'); |
62 | ok($obj->has_attr2, '...and the predicate returns true as normal'); |
63 | } |
64 | |
65 | |
66 | note ''; |
67 | note 'Testing class with the entire class being UndefTolerant'; |
68 | { |
69 | my $obj = Bar->new; |
70 | ok(!$obj->has_attr1, 'attr1 has no value before it is assigned'); |
71 | } |
72 | |
73 | { |
74 | my $obj = Bar->new(attr1 => undef); |
75 | ok(!$obj->has_attr1, 'attr1 has no value when assigned undef in constructor'); |
76 | ok (!exception { $obj = Bar->new(attr2 => undef) }, |
77 | 'assigning undef to attr2 does not produce an error'); |
78 | ok(!$obj->has_attr2, 'attr2 has no value when assigned undef in constructor'); |
79 | } |
80 | |
81 | { |
82 | my $obj = Bar->new(attr1 => 1234); |
83 | is($obj->attr1, 1234, 'assigning a defined value during construction works as normal'); |
84 | ok($obj->has_attr1, '...and the predicate returns true as normal'); |
85 | } |
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86 | } |
87 | |
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88 | |
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89 | note 'Constructor behaviour: mutable classes'; |
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90 | note ''; |
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91 | do_tests; |
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92 | |
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93 | note ''; |
94 | note 'Constructor behaviour: immutable classes'; |
95 | note ''; |
96 | Foo->meta->make_immutable; |
97 | Bar->meta->make_immutable; |
98 | TODO: { |
99 | local $TODO = 'some immutable cases are not handled yet'; |
100 | # for now, catch errors |
101 | ok(! exception { do_tests }, 'tests do not die'); |
102 | |
103 | is(Test::More->builder->current_test, 28, 'if we got here, we can declare victory!'); |
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104 | } |
105 | |
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106 | done_testing; |
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107 | |