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1 | use strictures 1; |
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2 | use Test::More; |
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3 | use Test::Fatal; |
4 | |
5 | BEGIN { |
6 | package MyRole; |
7 | |
8 | use Role::Tiny; |
9 | |
10 | requires qw(req1 req2); |
11 | |
12 | around foo => sub { my $orig = shift; join ' ', 'role foo', $orig->(@_) }; |
13 | |
14 | sub bar { 'role bar' } |
15 | |
16 | sub baz { 'role baz' } |
17 | } |
18 | |
19 | BEGIN { |
20 | package MyClass; |
21 | |
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22 | use constant SIMPLE => 'simple'; |
23 | use constant REF_CONST => [ 'ref_const' ]; |
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24 | use constant VSTRING_CONST => v1; |
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25 | |
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26 | sub req1 { } |
27 | sub req2 { } |
28 | sub foo { 'class foo' } |
29 | sub baz { 'class baz' } |
30 | |
31 | } |
32 | |
33 | BEGIN { |
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34 | package ExtraClass; |
35 | sub req1 { } |
36 | sub req2 { } |
37 | sub req3 { } |
38 | sub foo { } |
39 | sub baz { 'class baz' } |
40 | } |
41 | |
42 | BEGIN { |
43 | package IntermediaryRole; |
44 | use Role::Tiny; |
45 | requires 'req3'; |
46 | } |
47 | |
48 | BEGIN { |
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49 | package NoMethods; |
50 | |
51 | package OneMethod; |
52 | |
53 | sub req1 { } |
54 | } |
55 | |
56 | sub try_apply_to { |
57 | my $to = shift; |
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58 | exception { Role::Tiny->apply_role_to_package($to, 'MyRole') } |
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59 | } |
60 | |
61 | is(try_apply_to('MyClass'), undef, 'role applies cleanly'); |
62 | is(MyClass->foo, 'role foo class foo', 'method modifier'); |
63 | is(MyClass->bar, 'role bar', 'method from role'); |
64 | is(MyClass->baz, 'class baz', 'method from class'); |
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65 | ok(MyClass->does('MyRole'), 'class does role'); |
66 | ok(!MyClass->does('Random'), 'class does not do non-role'); |
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67 | |
68 | like(try_apply_to('NoMethods'), qr/req1, req2/, 'error for both methods'); |
69 | like(try_apply_to('OneMethod'), qr/req2/, 'error for one method'); |
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70 | |
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71 | is exception { |
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72 | Role::Tiny->apply_role_to_package('IntermediaryRole', 'MyRole'); |
73 | Role::Tiny->apply_role_to_package('ExtraClass', 'IntermediaryRole'); |
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74 | }, undef, 'No errors applying roles'; |
75 | |
76 | ok(ExtraClass->does('MyRole'), 'ExtraClass does MyRole'); |
77 | ok(ExtraClass->does('IntermediaryRole'), 'ExtraClass does IntermediaryRole'); |
78 | is(ExtraClass->bar, 'role bar', 'method from role'); |
79 | is(ExtraClass->baz, 'class baz', 'method from class'); |
80 | |
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81 | done_testing; |
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82 | |