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1 | #!/usr/bin/perl |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
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6 | use Test::More; |
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7 | use Test::Fatal; |
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8 | use Scalar::Util 'blessed'; |
9 | |
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10 | |
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11 | { |
12 | package Dog; |
13 | use Moose::Role; |
14 | |
15 | sub talk { 'woof' } |
16 | |
17 | package Foo; |
18 | use Moose; |
19 | |
20 | has 'dog' => ( |
21 | is => 'rw', |
22 | does => 'Dog', |
23 | ); |
24 | |
25 | no Moose; |
26 | |
27 | package Bar; |
28 | |
29 | sub new { |
30 | return bless {}, shift; |
31 | } |
32 | } |
33 | |
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34 | my $bar = Bar->new; |
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35 | isa_ok($bar, 'Bar'); |
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36 | |
37 | my $foo = Foo->new; |
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38 | isa_ok($foo, 'Foo'); |
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39 | |
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40 | ok(!$bar->can( 'talk' ), "... the role is not composed yet"); |
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41 | |
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42 | isnt( exception { |
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43 | $foo->dog($bar) |
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44 | }, undef, '... and setting the accessor fails (not a Dog yet)' ); |
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45 | |
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46 | Dog->meta->apply($bar); |
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47 | |
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48 | ok($bar->can('talk'), "... the role is now composed at the object level"); |
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49 | |
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50 | is($bar->talk, 'woof', '... got the right return value for the newly composed method'); |
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51 | |
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52 | is( exception { |
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53 | $foo->dog($bar) |
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54 | }, undef, '... and setting the accessor is okay' ); |
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55 | |
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56 | done_testing; |