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1 | #!/usr/bin/env perl |
2 | use strict; |
3 | use warnings; |
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4 | use Test::More tests => 20; |
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5 | use Test::Exception; |
6 | |
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7 | my %args; |
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8 | do { |
9 | package MyRole::Storage; |
10 | use MooseX::Role::Parameterized; |
11 | use Moose::Util::TypeConstraints; |
12 | |
13 | parameter format => ( |
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14 | isa => (enum ['Dumper', 'Storable']), |
15 | required => 1, |
16 | ); |
17 | |
18 | parameter freeze_method => ( |
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19 | isa => 'Str', |
20 | lazy => 1, |
21 | default => sub { "freeze_" . shift->format }, |
22 | ); |
23 | |
24 | parameter thaw_method => ( |
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25 | isa => 'Str', |
26 | lazy => 1, |
27 | default => sub { "thaw_" . shift->format }, |
28 | ); |
29 | |
30 | role { |
31 | my $p = shift; |
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32 | %args = @_; |
33 | |
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34 | my $format = $p->format; |
35 | |
36 | my ($freezer, $thawer); |
37 | |
38 | if ($format eq 'Dumper') { |
39 | require Data::Dumper; |
40 | $freezer = \&Data::Dumper::Dumper; |
41 | $thawer = sub { eval "@_" }; |
42 | |
43 | } |
44 | elsif ($format eq 'Storable') { |
45 | require Storable; |
46 | $freezer = \&Storable::nfreeze; |
47 | $thawer = \&Storable::thaw; |
48 | } |
49 | else { |
50 | die "Unknown format ($format)"; |
51 | } |
52 | |
53 | method $p->freeze_method => $freezer; |
54 | method $p->thaw_method => $thawer; |
55 | }; |
56 | }; |
57 | |
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58 | do { |
59 | package MyClass::Dumper; |
60 | use Moose; |
61 | with 'MyRole::Storage' => { |
62 | format => 'Dumper', |
63 | }; |
64 | }; |
65 | |
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66 | can_ok('MyClass::Dumper' => qw(freeze_Dumper thaw_Dumper)); |
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67 | cant_ok('MyClass::Dumper' => qw(freeze_Storable thaw_Storable)); |
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68 | |
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69 | is($args{consumer}, MyClass::Dumper->meta, 'Role block receives consumer'); |
70 | |
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71 | do { |
72 | package MyClass::Storable; |
73 | use Moose; |
74 | with 'MyRole::Storage' => { |
75 | format => 'Storable', |
76 | }; |
77 | }; |
78 | |
79 | can_ok('MyClass::Storable' => qw(freeze_Storable thaw_Storable)); |
80 | cant_ok('MyClass::Storable' => qw(freeze_Dumper thaw_Dumper)); |
81 | |
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82 | is($args{consumer}, MyClass::Storable->meta, 'Role block receives consumer'); |
83 | |
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84 | do { |
85 | package MyClass::DumperRenamed; |
86 | use Moose; |
87 | with 'MyRole::Storage' => { |
88 | format => 'Dumper', |
89 | freeze_method => 'save', |
90 | thaw_method => 'load', |
91 | }; |
92 | }; |
93 | |
94 | can_ok('MyClass::DumperRenamed' => qw(save load)); |
95 | cant_ok('MyClass::DumperRenamed' => qw(freeze_Dumper freeze_Storable thaw_Dumper thaw_Storable)); |
96 | |
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97 | is($args{consumer}, MyClass::DumperRenamed->meta, 'Role block receives consumer'); |
98 | |
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99 | do { |
100 | package MyClass::Both; |
101 | use Moose; |
102 | with 'MyRole::Storage' => { format => 'Dumper' }; |
103 | with 'MyRole::Storage' => { format => 'Storable' }; |
104 | }; |
105 | |
106 | can_ok('MyClass::Both' => qw(freeze_Dumper freeze_Storable thaw_Dumper thaw_Storable)); |
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107 | is($args{consumer}, MyClass::Both->meta, 'Role block receives consumer'); |
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108 | |
109 | do { |
110 | package MyClass::Three; |
111 | use Moose; |
112 | with 'MyRole::Storage' => { format => 'Dumper' }; |
113 | with 'MyRole::Storage' => { format => 'Storable' }; |
114 | with 'MyRole::Storage' => { |
115 | format => 'Storable', |
116 | freeze_method => 'store', |
117 | thaw_method => 'dump', |
118 | }; |
119 | }; |
120 | |
121 | can_ok('MyClass::Three' => qw(freeze_Dumper freeze_Storable thaw_Dumper thaw_Storable store dump)); |
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122 | is($args{consumer}, MyClass::Three->meta, 'Role block receives consumer'); |
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123 | |
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124 | throws_ok { |
125 | package MyClass::Error::Required; |
126 | use Moose; |
127 | with 'MyRole::Storage'; |
128 | } qr/^Attribute \(format\) is required/; |
129 | |
130 | throws_ok { |
131 | package MyClass::Error::Invalid; |
132 | use Moose; |
133 | with 'MyRole::Storage' => { |
134 | format => 'YAML', |
135 | }; |
136 | } qr/^Attribute \(format\) does not pass the type constraint/; |
137 | |
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138 | sub cant_ok { |
139 | local $Test::Builder::Level = $Test::Builder::Level + 1; |
140 | my $instance = shift; |
141 | for my $method (@_) { |
142 | ok(!$instance->can($method), "$instance cannot $method"); |
143 | } |
144 | } |
145 | |