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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 | has 'attr2' => ( |
15 | is => 'ro', |
16 | isa => 'Num', |
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17 | predicate => 'has_attr2', |
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18 | ); |
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19 | has 'attr3' => ( |
20 | is => 'ro', |
21 | isa => 'Maybe[Num]', |
22 | predicate => 'has_attr3', |
23 | ); |
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24 | } |
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25 | |
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26 | { |
27 | package Bar; |
28 | use Moose; |
29 | use MooseX::UndefTolerant; |
30 | |
31 | has 'attr1' => ( |
32 | is => 'ro', |
33 | isa => 'Num', |
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34 | predicate => 'has_attr1', |
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35 | ); |
36 | has 'attr2' => ( |
37 | is => 'ro', |
38 | isa => 'Num', |
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39 | predicate => 'has_attr2', |
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40 | ); |
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41 | has 'attr3' => ( |
42 | is => 'ro', |
43 | isa => 'Maybe[Num]', |
44 | predicate => 'has_attr3', |
45 | ); |
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46 | } |
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47 | |
48 | package main; |
49 | |
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50 | sub do_tests |
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51 | { |
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52 | note 'Testing class with a single UndefTolerant attribute'; |
53 | { |
54 | my $obj = Foo->new; |
55 | ok(!$obj->has_attr1, 'attr1 has no value before it is assigned'); |
56 | ok(!$obj->has_attr2, 'attr2 has no value before it is assigned'); |
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57 | ok(!$obj->has_attr3, 'attr3 has no value before it is assigned'); |
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58 | } |
59 | |
60 | { |
61 | my $obj = Foo->new(attr1 => undef); |
62 | ok(!$obj->has_attr1, 'UT attr1 has no value when assigned undef in constructor'); |
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63 | isnt (exception { $obj = Foo->new(attr2 => undef) }, undef, |
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64 | 'But assigning undef to attr2 generates a type constraint error'); |
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65 | |
66 | is (exception { $obj = Foo->new(attr3 => undef) }, undef, |
67 | 'assigning undef to attr3 is acceptable'); |
68 | ok($obj->has_attr3, 'attr3 retains its undef value when assigned undef in constructor'); |
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69 | } |
70 | |
71 | { |
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72 | my $obj = Foo->new(attr1 => 1234, attr2 => 5678, attr3 => 9012); |
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73 | is($obj->attr1, 1234, 'assigning a defined value during construction works as normal'); |
74 | ok($obj->has_attr1, '...and the predicate returns true as normal'); |
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75 | |
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76 | is($obj->attr2, 5678, 'assigning a defined value during construction works as normal'); |
77 | ok($obj->has_attr2, '...and the predicate returns true as normal'); |
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78 | |
79 | is($obj->attr3, 9012, 'assigning a defined value during construction works as normal'); |
80 | ok($obj->has_attr3, '...and the predicate returns true as normal'); |
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81 | } |
82 | |
83 | |
84 | note ''; |
85 | note 'Testing class with the entire class being UndefTolerant'; |
86 | { |
87 | my $obj = Bar->new; |
88 | ok(!$obj->has_attr1, 'attr1 has no value before it is assigned'); |
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89 | ok(!$obj->has_attr2, 'attr2 has no value before it is assigned'); |
90 | ok(!$obj->has_attr3, 'attr3 has no value before it is assigned'); |
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91 | } |
92 | |
93 | { |
94 | my $obj = Bar->new(attr1 => undef); |
95 | ok(!$obj->has_attr1, 'attr1 has no value when assigned undef in constructor'); |
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96 | # note this test differs from the Foo case above |
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97 | is (exception { $obj = Bar->new(attr2 => undef) }, undef, |
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98 | 'assigning undef to attr2 does not produce an error'); |
99 | ok(!$obj->has_attr2, 'attr2 has no value when assigned undef in constructor'); |
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100 | |
101 | is( exception { $obj = Foo->new(attr3 => undef) }, undef, |
102 | 'assigning undef to attr3 is acceptable'); |
103 | ok($obj->has_attr3, 'attr3 retains its undef value when assigned undef in constructor'); |
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104 | } |
105 | |
106 | { |
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107 | my $obj = Bar->new(attr1 => 1234, attr2 => 5678, attr3 => 9012); |
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108 | is($obj->attr1, 1234, 'assigning a defined value during construction works as normal'); |
109 | ok($obj->has_attr1, '...and the predicate returns true as normal'); |
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110 | |
111 | is($obj->attr2, 5678, 'assigning a defined value during construction works as normal'); |
112 | ok($obj->has_attr2, '...and the predicate returns true as normal'); |
113 | |
114 | is($obj->attr3, 9012, 'assigning a defined value during construction works as normal'); |
115 | ok($obj->has_attr3, '...and the predicate returns true as normal'); |
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116 | } |
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117 | } |
118 | |
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119 | |
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120 | note 'Constructor behaviour: mutable classes'; |
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121 | note ''; |
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122 | do_tests; |
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123 | |
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124 | note ''; |
125 | note 'Constructor behaviour: immutable classes'; |
126 | note ''; |
127 | Foo->meta->make_immutable; |
128 | Bar->meta->make_immutable; |
129 | TODO: { |
130 | local $TODO = 'some immutable cases are not handled yet'; |
131 | # for now, catch errors |
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132 | is(exception { do_tests }, undef, 'tests do not die'); |
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133 | |
134 | is(Test::More->builder->current_test, 28, 'if we got here, we can declare victory!'); |
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135 | } |
136 | |
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137 | done_testing; |
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138 | |