Commit | Line | Data |
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1 | #!/usr/bin/env perl |
2 | use strict; |
3 | use warnings; |
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4 | use Test::More tests => 15; |
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5 | use Test::Exception; |
6 | |
7 | do { |
8 | package MyRole::Storage; |
9 | use MooseX::Role::Parameterized; |
10 | use Moose::Util::TypeConstraints; |
11 | |
12 | parameter format => ( |
13 | is => 'ro', |
14 | isa => (enum ['Dumper', 'Storable']), |
15 | required => 1, |
16 | ); |
17 | |
18 | parameter freeze_method => ( |
19 | is => 'ro', |
20 | isa => 'Str', |
21 | lazy => 1, |
22 | default => sub { "freeze_" . shift->format }, |
23 | ); |
24 | |
25 | parameter thaw_method => ( |
26 | is => 'ro', |
27 | isa => 'Str', |
28 | lazy => 1, |
29 | default => sub { "thaw_" . shift->format }, |
30 | ); |
31 | |
32 | role { |
33 | my $p = shift; |
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 | |
69 | do { |
70 | package MyClass::Storable; |
71 | use Moose; |
72 | with 'MyRole::Storage' => { |
73 | format => 'Storable', |
74 | }; |
75 | }; |
76 | |
77 | can_ok('MyClass::Storable' => qw(freeze_Storable thaw_Storable)); |
78 | cant_ok('MyClass::Storable' => qw(freeze_Dumper thaw_Dumper)); |
79 | |
80 | do { |
81 | package MyClass::DumperRenamed; |
82 | use Moose; |
83 | with 'MyRole::Storage' => { |
84 | format => 'Dumper', |
85 | freeze_method => 'save', |
86 | thaw_method => 'load', |
87 | }; |
88 | }; |
89 | |
90 | can_ok('MyClass::DumperRenamed' => qw(save load)); |
91 | cant_ok('MyClass::DumperRenamed' => qw(freeze_Dumper freeze_Storable thaw_Dumper thaw_Storable)); |
92 | |
93 | do { |
94 | package MyClass::Both; |
95 | use Moose; |
96 | with 'MyRole::Storage' => { format => 'Dumper' }; |
97 | with 'MyRole::Storage' => { format => 'Storable' }; |
98 | }; |
99 | |
100 | can_ok('MyClass::Both' => qw(freeze_Dumper freeze_Storable thaw_Dumper thaw_Storable)); |
101 | |
102 | do { |
103 | package MyClass::Three; |
104 | use Moose; |
105 | with 'MyRole::Storage' => { format => 'Dumper' }; |
106 | with 'MyRole::Storage' => { format => 'Storable' }; |
107 | with 'MyRole::Storage' => { |
108 | format => 'Storable', |
109 | freeze_method => 'store', |
110 | thaw_method => 'dump', |
111 | }; |
112 | }; |
113 | |
114 | can_ok('MyClass::Three' => qw(freeze_Dumper freeze_Storable thaw_Dumper thaw_Storable store dump)); |
115 | |
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116 | throws_ok { |
117 | package MyClass::Error::Required; |
118 | use Moose; |
119 | with 'MyRole::Storage'; |
120 | } qr/^Attribute \(format\) is required/; |
121 | |
122 | throws_ok { |
123 | package MyClass::Error::Invalid; |
124 | use Moose; |
125 | with 'MyRole::Storage' => { |
126 | format => 'YAML', |
127 | }; |
128 | } qr/^Attribute \(format\) does not pass the type constraint/; |
129 | |
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130 | sub cant_ok { |
131 | local $Test::Builder::Level = $Test::Builder::Level + 1; |
132 | my $instance = shift; |
133 | for my $method (@_) { |
134 | ok(!$instance->can($method), "$instance cannot $method"); |
135 | } |
136 | } |
137 | |