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1 | #!/usr/bin/perl |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
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6 | use Test::More tests => 1; |
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7 | use Test::Exception; |
8 | |
9 | BEGIN { |
10 | use_ok('Moose'); |
11 | } |
12 | |
13 | ## Roles |
14 | |
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15 | =begin nonsense |
16 | |
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17 | { |
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18 | package Constraint; |
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19 | use Moose::Role; |
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20 | |
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21 | has 'value' => (isa => 'Num', is => 'ro'); |
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22 | |
23 | around 'validate' => sub { |
24 | my $c = shift; |
25 | my ($self, $field) = @_; |
26 | return undef if $c->($self, $self->validation_value($field)); |
27 | return $self->error_message; |
28 | }; |
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29 | |
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30 | sub validation_value { |
31 | my ($self, $field) = @_; |
32 | return $field; |
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33 | } |
34 | |
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35 | sub error_message { confess "Abstract method!" } |
36 | |
37 | package Constraint::OnLength; |
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38 | use Moose::Role; |
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39 | |
40 | has 'units' => (isa => 'Str', is => 'ro'); |
41 | |
42 | override 'validation_value' => sub { |
43 | return length(super()); |
44 | }; |
45 | |
46 | override 'error_message' => sub { |
47 | my $self = shift; |
48 | return super() . ' ' . $self->units; |
49 | }; |
50 | |
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51 | } |
52 | |
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53 | ## Classes |
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54 | |
55 | { |
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56 | package Constraint::AtLeast; |
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57 | use Moose; |
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58 | |
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59 | with 'Constraint'; |
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60 | |
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61 | sub validate { |
62 | my ($self, $field) = @_; |
63 | ($field >= $self->value); |
64 | } |
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65 | |
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66 | sub error_message { 'must be at least ' . (shift)->value; } |
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67 | |
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68 | package Constraint::NoMoreThan; |
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69 | use Moose; |
70 | |
71 | with 'Constraint'; |
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72 | |
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73 | sub validate { |
74 | my ($self, $field) = @_; |
75 | ($field <= $self->value); |
76 | } |
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77 | |
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78 | sub error_message { 'must be no more than ' . (shift)->value; } |
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79 | |
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80 | package Constraint::LengthNoMoreThan; |
446e850f |
81 | use Moose; |
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82 | |
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83 | extends 'Constraint::NoMoreThan'; |
84 | with 'Constraint::OnLength'; |
85 | |
86 | package Constraint::LengthAtLeast; |
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87 | use Moose; |
88 | |
89 | extends 'Constraint::AtLeast'; |
90 | with 'Constraint::OnLength'; |
91 | } |
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92 | |
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93 | my $no_more_than_10 = Constraint::NoMoreThan->new(value => 10); |
94 | isa_ok($no_more_than_10, 'Constraint::NoMoreThan'); |
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95 | |
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96 | ok($no_more_than_10->does('Constraint'), '... Constraint::NoMoreThan does Constraint'); |
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97 | |
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98 | ok(!defined($no_more_than_10->validate(1)), '... validated correctly'); |
99 | is($no_more_than_10->validate(11), 'must be no more than 10', '... validation failed correctly'); |
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100 | |
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101 | my $at_least_10 = Constraint::AtLeast->new(value => 10); |
102 | isa_ok($at_least_10, 'Constraint::AtLeast'); |
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103 | |
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104 | ok($at_least_10->does('Constraint'), '... Constraint::AtLeast does Constraint'); |
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105 | |
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106 | ok(!defined($at_least_10->validate(11)), '... validated correctly'); |
107 | is($at_least_10->validate(1), 'must be at least 10', '... validation failed correctly'); |
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108 | |
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109 | # onlength |
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110 | |
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111 | my $no_more_than_10_chars = Constraint::LengthNoMoreThan->new(value => 10, units => 'chars'); |
112 | isa_ok($no_more_than_10_chars, 'Constraint::LengthNoMoreThan'); |
113 | isa_ok($no_more_than_10_chars, 'Constraint::NoMoreThan'); |
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114 | |
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115 | ok($no_more_than_10_chars->does('Constraint'), '... Constraint::LengthNoMoreThan does Constraint'); |
116 | ok($no_more_than_10_chars->does('Constraint::OnLength'), '... Constraint::LengthNoMoreThan does Constraint::OnLength'); |
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117 | |
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118 | ok(!defined($no_more_than_10_chars->validate('foo')), '... validated correctly'); |
119 | is($no_more_than_10_chars->validate('foooooooooo'), |
120 | 'must be no more than 10 chars', |
121 | '... validation failed correctly'); |
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122 | |
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123 | my $at_least_10_chars = Constraint::LengthAtLeast->new(value => 10, units => 'chars'); |
124 | isa_ok($at_least_10_chars, 'Constraint::LengthAtLeast'); |
125 | isa_ok($at_least_10_chars, 'Constraint::AtLeast'); |
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126 | |
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127 | ok($at_least_10_chars->does('Constraint'), '... Constraint::LengthAtLeast does Constraint'); |
128 | ok($at_least_10_chars->does('Constraint::OnLength'), '... Constraint::LengthAtLeast does Constraint::OnLength'); |
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129 | |
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130 | ok(!defined($at_least_10_chars->validate('barrrrrrrrr')), '... validated correctly'); |
131 | is($at_least_10_chars->validate('bar'), 'must be at least 10 chars', '... validation failed correctly'); |
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132 | |
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133 | =cut |