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1 | #use Test::More; |
2 | use Test::Most 'die'; |
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3 | use Test::Fatal; |
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4 | |
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5 | { |
6 | package Foo; |
7 | use Moose; |
8 | |
9 | has 'attr1' => ( |
10 | traits => [ qw(MooseX::UndefTolerant::Attribute)], |
11 | is => 'ro', |
12 | isa => 'Num', |
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13 | predicate => 'has_attr1', |
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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 | ); |
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20 | has 'attr3' => ( |
21 | is => 'ro', |
22 | isa => 'Maybe[Num]', |
23 | predicate => 'has_attr3', |
24 | ); |
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25 | } |
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26 | |
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27 | { |
28 | package Bar; |
29 | use Moose; |
30 | use MooseX::UndefTolerant; |
31 | |
32 | has 'attr1' => ( |
33 | is => 'ro', |
34 | isa => 'Num', |
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35 | predicate => 'has_attr1', |
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36 | ); |
37 | has 'attr2' => ( |
38 | is => 'ro', |
39 | isa => 'Num', |
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40 | predicate => 'has_attr2', |
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41 | ); |
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42 | has 'attr3' => ( |
43 | is => 'ro', |
44 | isa => 'Maybe[Num]', |
45 | predicate => 'has_attr3', |
46 | ); |
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47 | } |
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48 | |
49 | package main; |
50 | |
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51 | sub do_tests |
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52 | { |
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53 | note 'Testing class with a single UndefTolerant attribute'; |
54 | { |
55 | my $obj = Foo->new; |
56 | ok(!$obj->has_attr1, 'attr1 has no value before it is assigned'); |
57 | ok(!$obj->has_attr2, 'attr2 has no value before it is assigned'); |
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58 | ok(!$obj->has_attr3, 'attr3 has no value before it is assigned'); |
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59 | } |
60 | |
61 | { |
62 | my $obj = Foo->new(attr1 => undef); |
63 | ok(!$obj->has_attr1, 'UT attr1 has no value when assigned undef in constructor'); |
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64 | isnt (exception { $obj = Foo->new(attr2 => undef) }, undef, |
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65 | 'But assigning undef to attr2 generates a type constraint error'); |
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66 | |
67 | is (exception { $obj = Foo->new(attr3 => undef) }, undef, |
68 | 'assigning undef to attr3 is acceptable'); |
69 | ok($obj->has_attr3, 'attr3 retains its undef value when assigned undef in constructor'); |
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70 | } |
71 | |
72 | { |
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73 | my $obj = Foo->new(attr1 => 1234, attr2 => 5678, attr3 => 9012); |
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74 | is($obj->attr1, 1234, 'assigning a defined value during construction works as normal'); |
75 | ok($obj->has_attr1, '...and the predicate returns true as normal'); |
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76 | |
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77 | is($obj->attr2, 5678, 'assigning a defined value during construction works as normal'); |
78 | ok($obj->has_attr2, '...and the predicate returns true as normal'); |
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79 | |
80 | is($obj->attr3, 9012, 'assigning a defined value during construction works as normal'); |
81 | ok($obj->has_attr3, '...and the predicate returns true as normal'); |
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82 | } |
83 | |
84 | |
85 | note ''; |
86 | note 'Testing class with the entire class being UndefTolerant'; |
87 | { |
88 | my $obj = Bar->new; |
89 | ok(!$obj->has_attr1, 'attr1 has no value before it is assigned'); |
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90 | ok(!$obj->has_attr2, 'attr2 has no value before it is assigned'); |
91 | ok(!$obj->has_attr3, 'attr3 has no value before it is assigned'); |
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92 | } |
93 | |
94 | { |
95 | my $obj = Bar->new(attr1 => undef); |
96 | ok(!$obj->has_attr1, 'attr1 has no value when assigned undef in constructor'); |
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97 | # note this test differs from the Foo case above |
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98 | is (exception { $obj = Bar->new(attr2 => undef) }, undef, |
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99 | 'assigning undef to attr2 does not produce an error'); |
100 | ok(!$obj->has_attr2, 'attr2 has no value when assigned undef in constructor'); |
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101 | |
102 | is( exception { $obj = Foo->new(attr3 => undef) }, undef, |
103 | 'assigning undef to attr3 is acceptable'); |
104 | ok($obj->has_attr3, 'attr3 retains its undef value when assigned undef in constructor'); |
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105 | } |
106 | |
107 | { |
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108 | my $obj = Bar->new(attr1 => 1234, attr2 => 5678, attr3 => 9012); |
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109 | is($obj->attr1, 1234, 'assigning a defined value during construction works as normal'); |
110 | ok($obj->has_attr1, '...and the predicate returns true as normal'); |
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111 | |
112 | is($obj->attr2, 5678, 'assigning a defined value during construction works as normal'); |
113 | ok($obj->has_attr2, '...and the predicate returns true as normal'); |
114 | |
115 | is($obj->attr3, 9012, 'assigning a defined value during construction works as normal'); |
116 | ok($obj->has_attr3, '...and the predicate returns true as normal'); |
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117 | } |
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118 | } |
119 | |
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120 | |
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121 | note 'Constructor behaviour: mutable classes'; |
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122 | note ''; |
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123 | do_tests; |
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124 | |
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125 | note ''; |
126 | note 'Constructor behaviour: immutable classes'; |
127 | note ''; |
128 | Foo->meta->make_immutable; |
129 | Bar->meta->make_immutable; |
130 | TODO: { |
131 | local $TODO = 'some immutable cases are not handled yet'; |
132 | # for now, catch errors |
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133 | is(exception { do_tests }, undef, 'tests do not die'); |
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134 | |
135 | is(Test::More->builder->current_test, 28, 'if we got here, we can declare victory!'); |
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136 | } |
137 | |
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138 | done_testing; |
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139 | |