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1 | use strict; |
2 | use warnings; |
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3 | use Test::More tests => 16; |
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4 | |
5 | BEGIN { |
6 | package MooseX::Singleton::Test; |
7 | use MooseX::Singleton; |
8 | |
9 | has bag => ( |
10 | is => 'rw', |
11 | isa => 'HashRef[Int]', |
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12 | default => sub { { default => 42 } }, |
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13 | ); |
14 | |
15 | sub distinct_keys { |
16 | my $self = shift; |
17 | scalar keys %{ $self->bag }; |
18 | } |
19 | |
20 | sub clear { |
21 | my $self = shift; |
22 | $self->bag({}); |
23 | } |
24 | |
25 | sub add { |
26 | my $self = shift; |
27 | my $key = shift; |
28 | my $value = @_ ? shift : 1; |
29 | |
30 | $self->bag->{$key} += $value; |
31 | } |
32 | } |
33 | |
34 | my $mst = MooseX::Singleton::Test->instance; |
35 | isa_ok($mst, 'MooseX::Singleton::Test', 'Singleton->instance returns a real instance'); |
36 | |
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37 | is($mst->distinct_keys, 1, "default keys"); |
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38 | |
39 | $mst->add(foo => 10); |
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40 | is($mst->distinct_keys, 2, "added key"); |
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41 | |
42 | $mst->add(bar => 5); |
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43 | is($mst->distinct_keys, 3, "added another key"); |
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44 | |
45 | my $mst2 = MooseX::Singleton::Test->instance; |
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46 | is($mst, $mst2, 'instances are the same object'); |
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47 | isa_ok($mst2, 'MooseX::Singleton::Test', 'Singleton->instance returns a real instance'); |
48 | |
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49 | is($mst2->distinct_keys, 3, "keys from before"); |
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50 | |
51 | $mst->add(baz => 2); |
52 | |
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53 | is($mst->distinct_keys, 4, "attributes are shared even after ->instance"); |
54 | is($mst2->distinct_keys, 4, "attributes are shared even after ->instance"); |
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55 | |
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56 | is(MooseX::Singleton::Test->distinct_keys, 4, "Package->reader works"); |
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57 | |
58 | MooseX::Singleton::Test->add(quux => 9000); |
59 | |
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60 | is($mst->distinct_keys, 5, "Package->add works"); |
61 | is($mst2->distinct_keys, 5, "Package->add works"); |
62 | is(MooseX::Singleton::Test->distinct_keys, 5, "Package->add works"); |
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63 | |
64 | MooseX::Singleton::Test->clear; |
65 | |
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66 | is($mst->distinct_keys, 0, "Package->clear works"); |
67 | is($mst2->distinct_keys, 0, "Package->clear works"); |
68 | is(MooseX::Singleton::Test->distinct_keys, 0, "Package->clear works"); |
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69 | |