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1 | use strict; |
2 | use warnings; |
3 | |
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4 | use Test::More; |
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5 | use Test::Exception; |
6 | |
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7 | use Scalar::Util qw/reftype/; |
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8 | |
9 | BEGIN { |
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10 | if ( eval 'use Sub::Name (); 1;' ) { |
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11 | plan tests => 66; |
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12 | } |
13 | else { |
14 | plan skip_all => 'These tests require Sub::Name'; |
15 | } |
16 | } |
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17 | |
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18 | use Class::MOP; |
19 | use Class::MOP::Class; |
20 | use Class::MOP::Method; |
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21 | |
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22 | { # This package tries to test &has_method |
23 | # as exhaustively as possible. More corner |
24 | # cases are welcome :) |
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25 | package Foo; |
26 | |
27 | # import a sub |
28 | use Scalar::Util 'blessed'; |
29 | |
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30 | sub pie; |
31 | sub cake (); |
32 | |
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33 | use constant FOO_CONSTANT => 'Foo-CONSTANT'; |
34 | |
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35 | # define a sub in package |
36 | sub bar { 'Foo::bar' } |
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37 | *baz = \&bar; |
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38 | |
39 | # create something with the typeglob inside the package |
40 | *baaz = sub { 'Foo::baaz' }; |
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41 | |
42 | { # method named with Sub::Name inside the package scope |
43 | no strict 'refs'; |
44 | *{'Foo::floob'} = Sub::Name::subname 'floob' => sub { '!floob!' }; |
45 | } |
46 | |
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47 | # We hateses the "used only once" warnings |
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48 | { |
49 | my $temp1 = \&Foo::baz; |
50 | my $temp2 = \&Foo::baaz; |
51 | } |
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52 | |
53 | package OinkyBoinky; |
54 | our @ISA = "Foo"; |
55 | |
56 | sub elk { 'OinkyBoinky::elk' } |
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57 | |
58 | package main; |
59 | |
60 | sub Foo::blah { $_[0]->Foo::baz() } |
61 | |
62 | { |
63 | no strict 'refs'; |
64 | *{'Foo::bling'} = sub { '$$Bling$$' }; |
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65 | *{'Foo::bang'} = Sub::Name::subname 'Foo::bang' => sub { '!BANG!' }; |
66 | *{'Foo::boom'} = Sub::Name::subname 'boom' => sub { '!BOOM!' }; |
67 | |
68 | eval "package Foo; sub evaled_foo { 'Foo::evaled_foo' }"; |
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69 | } |
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70 | } |
71 | |
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72 | my $Foo = Class::MOP::Class->initialize('Foo'); |
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73 | |
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74 | ok($Foo->has_method('pie'), '... got the method stub pie'); |
75 | ok($Foo->has_method('cake'), '... got the constant method stub cake'); |
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76 | |
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77 | my $foo = sub { 'Foo::foo' }; |
78 | |
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79 | ok(!UNIVERSAL::isa($foo, 'Class::MOP::Method'), '... our method is not yet blessed'); |
80 | |
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81 | lives_ok { |
82 | $Foo->add_method('foo' => $foo); |
83 | } '... we added the method successfully'; |
84 | |
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85 | my $foo_method = $Foo->get_method('foo'); |
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86 | |
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87 | isa_ok($foo_method, 'Class::MOP::Method'); |
88 | |
89 | is($foo_method->name, 'foo', '... got the right name for the method'); |
90 | is($foo_method->package_name, 'Foo', '... got the right package name for the method'); |
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91 | |
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92 | ok($Foo->has_method('foo'), '... Foo->has_method(foo) (defined with Sub::Name)'); |
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93 | |
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94 | is($Foo->get_method('foo')->body, $foo, '... Foo->get_method(foo) == \&foo'); |
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95 | is($Foo->get_method('foo')->execute, 'Foo::foo', '... _method_foo->execute returns "Foo::foo"'); |
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96 | is(Foo->foo(), 'Foo::foo', '... Foo->foo() returns "Foo::foo"'); |
97 | |
98 | # now check all our other items ... |
99 | |
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100 | ok($Foo->has_method('FOO_CONSTANT'), '... not Foo->has_method(FOO_CONSTANT) (defined w/ use constant)'); |
101 | ok(!$Foo->has_method('bling'), '... not Foo->has_method(bling) (defined in main:: using symbol tables (no Sub::Name))'); |
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102 | |
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103 | ok($Foo->has_method('bar'), '... Foo->has_method(bar) (defined in Foo)'); |
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104 | ok($Foo->has_method('baz'), '... Foo->has_method(baz) (typeglob aliased within Foo)'); |
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105 | ok($Foo->has_method('baaz'), '... Foo->has_method(baaz) (typeglob aliased within Foo)'); |
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106 | ok($Foo->has_method('floob'), '... Foo->has_method(floob) (defined in Foo:: using symbol tables and Sub::Name w/out package name)'); |
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107 | ok($Foo->has_method('blah'), '... Foo->has_method(blah) (defined in main:: using fully qualified package name)'); |
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108 | ok($Foo->has_method('bang'), '... Foo->has_method(bang) (defined in main:: using symbol tables and Sub::Name)'); |
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109 | ok($Foo->has_method('evaled_foo'), '... Foo->has_method(evaled_foo) (evaled in main::)'); |
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110 | |
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111 | my $OinkyBoinky = Class::MOP::Class->initialize('OinkyBoinky'); |
112 | |
113 | ok($OinkyBoinky->has_method('elk'), "the method 'elk' is defined in OinkyBoinky"); |
114 | |
115 | ok(!$OinkyBoinky->has_method('bar'), "the method 'bar' is not defined in OinkyBoinky"); |
116 | |
117 | ok(my $bar = $OinkyBoinky->find_method_by_name('bar'), "but if you look in the inheritence chain then 'bar' does exist"); |
118 | |
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119 | is( reftype($bar->body), "CODE", "the returned value is a code ref" ); |
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120 | |
121 | |
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122 | # calling get_method blessed them all |
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123 | for my $method_name (qw/baaz |
124 | bar |
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125 | baz |
126 | floob |
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127 | blah |
128 | bang |
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129 | evaled_foo |
130 | FOO_CONSTANT/) { |
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131 | isa_ok($Foo->get_method($method_name), 'Class::MOP::Method'); |
132 | { |
133 | no strict 'refs'; |
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134 | is($Foo->get_method($method_name)->body, \&{'Foo::' . $method_name}, '... body matches CODE ref in package for ' . $method_name); |
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135 | } |
136 | } |
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137 | |
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138 | for my $method_name (qw/ |
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139 | bling |
140 | /) { |
141 | is(ref($Foo->get_package_symbol('&' . $method_name)), 'CODE', '... got the __ANON__ methods'); |
142 | { |
143 | no strict 'refs'; |
144 | is($Foo->get_package_symbol('&' . $method_name), \&{'Foo::' . $method_name}, '... symbol matches CODE ref in package for ' . $method_name); |
145 | } |
146 | } |
147 | |
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148 | { |
149 | package Foo::Aliasing; |
150 | use metaclass; |
151 | sub alias_me { '...' } |
152 | } |
153 | |
154 | $Foo->alias_method('alias_me' => Foo::Aliasing->meta->get_method('alias_me')); |
155 | |
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156 | ok($Foo->has_method('alias_me'), '... Foo->has_method(alias_me) (aliased from Foo::Aliasing)'); |
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157 | ok(defined &Foo::alias_me, '... Foo does have a symbol table slow for alias_me though'); |
158 | |
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159 | ok(!$Foo->has_method('blessed'), '... !Foo->has_method(blessed) (imported into Foo)'); |
160 | ok(!$Foo->has_method('boom'), '... !Foo->has_method(boom) (defined in main:: using symbol tables and Sub::Name w/out package name)'); |
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161 | |
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162 | ok(!$Foo->has_method('not_a_real_method'), '... !Foo->has_method(not_a_real_method) (does not exist)'); |
163 | is($Foo->get_method('not_a_real_method'), undef, '... Foo->get_method(not_a_real_method) == undef'); |
164 | |
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165 | is_deeply( |
166 | [ sort $Foo->get_method_list ], |
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167 | [ qw(FOO_CONSTANT alias_me baaz bang bar baz blah cake evaled_foo floob foo pie) ], |
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168 | '... got the right method list for Foo'); |
169 | |
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170 | is_deeply( |
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171 | [ sort { $a->name cmp $b->name } $Foo->get_all_methods() ], |
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172 | [ |
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173 | map { $Foo->get_method($_) } qw( |
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174 | FOO_CONSTANT |
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175 | alias_me |
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176 | baaz |
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177 | bang |
178 | bar |
179 | baz |
180 | blah |
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181 | cake |
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182 | evaled_foo |
183 | floob |
184 | foo |
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185 | pie |
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186 | ) |
187 | ], |
188 | '... got the right list of applicable methods for Foo'); |
189 | |
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190 | is($Foo->remove_method('foo')->body, $foo, '... removed the foo method'); |
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191 | ok(!$Foo->has_method('foo'), '... !Foo->has_method(foo) we just removed it'); |
192 | dies_ok { Foo->foo } '... cannot call Foo->foo because it is not there'; |
193 | |
194 | is_deeply( |
195 | [ sort $Foo->get_method_list ], |
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196 | [ qw(FOO_CONSTANT alias_me baaz bang bar baz blah cake evaled_foo floob pie) ], |
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197 | '... got the right method list for Foo'); |
198 | |
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199 | |
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200 | # ... test our class creator |
201 | |
202 | my $Bar = Class::MOP::Class->create( |
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203 | package => 'Bar', |
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204 | superclasses => [ 'Foo' ], |
205 | methods => { |
206 | foo => sub { 'Bar::foo' }, |
207 | bar => sub { 'Bar::bar' }, |
208 | } |
209 | ); |
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210 | isa_ok($Bar, 'Class::MOP::Class'); |
211 | |
212 | ok($Bar->has_method('foo'), '... Bar->has_method(foo)'); |
213 | ok($Bar->has_method('bar'), '... Bar->has_method(bar)'); |
214 | |
215 | is(Bar->foo, 'Bar::foo', '... Bar->foo == Bar::foo'); |
216 | is(Bar->bar, 'Bar::bar', '... Bar->bar == Bar::bar'); |
217 | |
218 | lives_ok { |
219 | $Bar->add_method('foo' => sub { 'Bar::foo v2' }); |
220 | } '... overwriting a method is fine'; |
221 | |
222 | ok($Bar->has_method('foo'), '... Bar-> (still) has_method(foo)'); |
223 | is(Bar->foo, 'Bar::foo v2', '... Bar->foo == "Bar::foo v2"'); |
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224 | |
225 | is_deeply( |
226 | [ sort $Bar->get_method_list ], |
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227 | [ qw(bar foo meta) ], |
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228 | '... got the right method list for Bar'); |
229 | |
230 | is_deeply( |
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231 | [ sort { $a->name cmp $b->name } $Bar->get_all_methods() ], |
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232 | [ |
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233 | $Foo->get_method('FOO_CONSTANT'), |
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234 | $Foo->get_method('alias_me'), |
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235 | $Foo->get_method('baaz'), |
236 | $Foo->get_method('bang'), |
237 | $Bar->get_method('bar'), |
238 | (map { $Foo->get_method($_) } qw( |
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239 | baz |
240 | blah |
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241 | cake |
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242 | evaled_foo |
243 | floob |
244 | )), |
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245 | $Bar->get_method('foo'), |
246 | $Bar->get_method('meta'), |
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247 | $Foo->get_method('pie'), |
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248 | ], |
249 | '... got the right list of applicable methods for Bar'); |
250 | |
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251 | my $method = Class::MOP::Method->wrap( |
252 | name => 'objecty', |
253 | package_name => 'Whatever', |
254 | body => sub {q{I am an object, and I feel an object's pain}}, |
255 | ); |
256 | |
257 | Bar->meta->add_method( $method->name, $method ); |
258 | |
259 | my $new_method = Bar->meta->get_method('objecty'); |
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260 | |
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261 | isnt( $method, $new_method, 'add_method clones method objects as they are added' ); |
262 | is( $new_method->original_method, $method, '... the cloned method has the correct original method' ); |