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1 | #!/usr/bin/env perl |
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2 | use strict; |
3 | use warnings; |
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4 | use lib 't/lib'; |
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5 | use Test::More; |
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6 | use Test::Fatal; |
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7 | |
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8 | use Package::Stash; |
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9 | |
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10 | like(exception { Package::Stash->name }, qr/Can't call name as a class method/, |
11 | q{... can't call name() as a class method}); |
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12 | |
13 | { |
14 | package Foo; |
15 | |
16 | use constant SOME_CONSTANT => 1; |
17 | } |
18 | |
19 | # ---------------------------------------------------------------------- |
20 | ## tests adding a HASH |
21 | |
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22 | my $foo_stash = Package::Stash->new('Foo'); |
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23 | ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet'); |
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24 | ok(!$foo_stash->has_symbol('%foo'), '... the object agrees'); |
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25 | ok(!defined($Foo::{foo}), '... checking doesn\' vivify'); |
26 | |
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27 | is(exception { |
28 | $foo_stash->add_symbol('%foo' => { one => 1 }); |
29 | }, undef, '... created %Foo::foo successfully'); |
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30 | |
31 | # ... scalar should NOT be created here |
32 | |
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33 | ok(!$foo_stash->has_symbol('$foo'), '... SCALAR shouldnt have been created too'); |
34 | ok(!$foo_stash->has_symbol('@foo'), '... ARRAY shouldnt have been created too'); |
35 | ok(!$foo_stash->has_symbol('&foo'), '... CODE shouldnt have been created too'); |
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36 | |
37 | ok(defined($Foo::{foo}), '... the %foo slot was created successfully'); |
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38 | ok($foo_stash->has_symbol('%foo'), '... the meta agrees'); |
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39 | |
40 | # check the value ... |
41 | |
42 | { |
43 | no strict 'refs'; |
44 | ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly'); |
45 | is(${'Foo::foo'}{one}, 1, '... our %foo was initialized correctly'); |
46 | } |
47 | |
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48 | my $foo = $foo_stash->get_symbol('%foo'); |
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49 | is_deeply({ one => 1 }, $foo, '... got the right package variable back'); |
50 | |
51 | # ... make sure changes propogate up |
52 | |
53 | $foo->{two} = 2; |
54 | |
55 | { |
56 | no strict 'refs'; |
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57 | is(\%{'Foo::foo'}, $foo_stash->get_symbol('%foo'), '... our %foo is the same as the metas'); |
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58 | |
59 | ok(exists ${'Foo::foo'}{two}, '... our %foo was updated correctly'); |
60 | is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly'); |
61 | } |
62 | |
63 | # ---------------------------------------------------------------------- |
64 | ## test adding an ARRAY |
65 | |
66 | ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet'); |
67 | |
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68 | is(exception { |
69 | $foo_stash->add_symbol('@bar' => [ 1, 2, 3 ]); |
70 | }, undef, '... created @Foo::bar successfully'); |
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71 | |
72 | ok(defined($Foo::{bar}), '... the @bar slot was created successfully'); |
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73 | ok($foo_stash->has_symbol('@bar'), '... the meta agrees'); |
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74 | |
75 | # ... why does this not work ... |
76 | |
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77 | ok(!$foo_stash->has_symbol('$bar'), '... SCALAR shouldnt have been created too'); |
78 | ok(!$foo_stash->has_symbol('%bar'), '... HASH shouldnt have been created too'); |
79 | ok(!$foo_stash->has_symbol('&bar'), '... CODE shouldnt have been created too'); |
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80 | |
81 | # check the value itself |
82 | |
83 | { |
84 | no strict 'refs'; |
85 | is(scalar @{'Foo::bar'}, 3, '... our @bar was initialized correctly'); |
86 | is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly'); |
87 | } |
88 | |
89 | # ---------------------------------------------------------------------- |
90 | ## test adding a SCALAR |
91 | |
92 | ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet'); |
93 | |
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94 | is(exception { |
95 | $foo_stash->add_symbol('$baz' => 10); |
96 | }, undef, '... created $Foo::baz successfully'); |
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97 | |
98 | ok(defined($Foo::{baz}), '... the $baz slot was created successfully'); |
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99 | ok($foo_stash->has_symbol('$baz'), '... the meta agrees'); |
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100 | |
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101 | ok(!$foo_stash->has_symbol('@baz'), '... ARRAY shouldnt have been created too'); |
102 | ok(!$foo_stash->has_symbol('%baz'), '... HASH shouldnt have been created too'); |
103 | ok(!$foo_stash->has_symbol('&baz'), '... CODE shouldnt have been created too'); |
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104 | |
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105 | is(${$foo_stash->get_symbol('$baz')}, 10, '... got the right value back'); |
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106 | |
107 | { |
108 | no strict 'refs'; |
109 | ${'Foo::baz'} = 1; |
110 | |
111 | is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly'); |
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112 | is(${$foo_stash->get_symbol('$baz')}, 1, '... the meta agrees'); |
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113 | } |
114 | |
115 | # ---------------------------------------------------------------------- |
116 | ## test adding a CODE |
117 | |
118 | ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet'); |
119 | |
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120 | is(exception { |
121 | $foo_stash->add_symbol('&funk' => sub { "Foo::funk" }); |
122 | }, undef, '... created &Foo::funk successfully'); |
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123 | |
124 | ok(defined($Foo::{funk}), '... the &funk slot was created successfully'); |
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125 | ok($foo_stash->has_symbol('&funk'), '... the meta agrees'); |
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126 | |
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127 | ok(!$foo_stash->has_symbol('$funk'), '... SCALAR shouldnt have been created too'); |
128 | ok(!$foo_stash->has_symbol('@funk'), '... ARRAY shouldnt have been created too'); |
129 | ok(!$foo_stash->has_symbol('%funk'), '... HASH shouldnt have been created too'); |
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130 | |
131 | { |
132 | no strict 'refs'; |
133 | ok(defined &{'Foo::funk'}, '... our &funk exists'); |
134 | } |
135 | |
136 | is(Foo->funk(), 'Foo::funk', '... got the right value from the function'); |
137 | |
138 | # ---------------------------------------------------------------------- |
139 | ## test multiple slots in the glob |
140 | |
141 | my $ARRAY = [ 1, 2, 3 ]; |
142 | my $CODE = sub { "Foo::foo" }; |
143 | |
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144 | is(exception { |
145 | $foo_stash->add_symbol('@foo' => $ARRAY); |
146 | }, undef, '... created @Foo::foo successfully'); |
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147 | |
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148 | ok($foo_stash->has_symbol('@foo'), '... the @foo slot was added successfully'); |
149 | is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); |
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150 | |
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151 | is(exception { |
152 | $foo_stash->add_symbol('&foo' => $CODE); |
153 | }, undef, '... created &Foo::foo successfully'); |
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154 | |
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155 | ok($foo_stash->has_symbol('&foo'), '... the meta agrees'); |
156 | is($foo_stash->get_symbol('&foo'), $CODE, '... got the right value for &Foo::foo'); |
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157 | |
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158 | is(exception { |
159 | $foo_stash->add_symbol('$foo' => 'Foo::foo'); |
160 | }, undef, '... created $Foo::foo successfully'); |
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161 | |
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162 | ok($foo_stash->has_symbol('$foo'), '... the meta agrees'); |
163 | my $SCALAR = $foo_stash->get_symbol('$foo'); |
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164 | is($$SCALAR, 'Foo::foo', '... got the right scalar value back'); |
165 | |
166 | { |
167 | no strict 'refs'; |
168 | is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar'); |
169 | } |
170 | |
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171 | is(exception { |
172 | $foo_stash->remove_symbol('%foo'); |
173 | }, undef, '... removed %Foo::foo successfully'); |
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174 | |
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175 | ok(!$foo_stash->has_symbol('%foo'), '... the %foo slot was removed successfully'); |
176 | ok($foo_stash->has_symbol('@foo'), '... the @foo slot still exists'); |
177 | ok($foo_stash->has_symbol('&foo'), '... the &foo slot still exists'); |
178 | ok($foo_stash->has_symbol('$foo'), '... the $foo slot still exists'); |
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179 | |
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180 | is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); |
181 | is($foo_stash->get_symbol('&foo'), $CODE, '... got the right value for &Foo::foo'); |
182 | is($foo_stash->get_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo'); |
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183 | |
184 | { |
185 | no strict 'refs'; |
186 | ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully'); |
187 | ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed'); |
188 | ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed'); |
189 | ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed'); |
190 | } |
191 | |
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192 | is(exception { |
193 | $foo_stash->remove_symbol('&foo'); |
194 | }, undef, '... removed &Foo::foo successfully'); |
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195 | |
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196 | ok(!$foo_stash->has_symbol('&foo'), '... the &foo slot no longer exists'); |
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197 | |
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198 | ok($foo_stash->has_symbol('@foo'), '... the @foo slot still exists'); |
199 | ok($foo_stash->has_symbol('$foo'), '... the $foo slot still exists'); |
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200 | |
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201 | is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); |
202 | is($foo_stash->get_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo'); |
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203 | |
204 | { |
205 | no strict 'refs'; |
206 | ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully'); |
207 | ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed'); |
208 | ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed'); |
209 | ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed'); |
210 | } |
211 | |
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212 | is(exception { |
213 | $foo_stash->remove_symbol('$foo'); |
214 | }, undef, '... removed $Foo::foo successfully'); |
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215 | |
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216 | ok(!$foo_stash->has_symbol('$foo'), '... the $foo slot no longer exists'); |
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217 | |
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218 | ok($foo_stash->has_symbol('@foo'), '... the @foo slot still exists'); |
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219 | |
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220 | is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); |
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221 | |
222 | { |
223 | no strict 'refs'; |
224 | ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully'); |
225 | ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed'); |
226 | ok(!defined(${"Foo::foo"}), '... the $foo slot has now been removed'); |
227 | ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed'); |
228 | } |
229 | |
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230 | { |
231 | my $syms = $foo_stash->get_all_symbols; |
232 | is_deeply( |
233 | [ sort keys %{ $syms } ], |
234 | [ sort $foo_stash->list_all_symbols ], |
235 | '... the fetched symbols are the same as the listed ones' |
236 | ); |
237 | } |
238 | |
239 | { |
240 | my $syms = $foo_stash->get_all_symbols('CODE'); |
241 | |
242 | is_deeply( |
243 | [ sort keys %{ $syms } ], |
244 | [ sort $foo_stash->list_all_symbols('CODE') ], |
245 | '... the fetched symbols are the same as the listed ones' |
246 | ); |
247 | |
248 | foreach my $symbol (keys %{ $syms }) { |
249 | is($syms->{$symbol}, $foo_stash->get_symbol('&' . $symbol), '... got the right symbol'); |
250 | } |
251 | } |
252 | |
253 | { |
254 | $foo_stash->add_symbol('%zork'); |
255 | |
256 | my $syms = $foo_stash->get_all_symbols('HASH'); |
257 | |
258 | is_deeply( |
259 | [ sort keys %{ $syms } ], |
260 | [ sort $foo_stash->list_all_symbols('HASH') ], |
261 | '... the fetched symbols are the same as the listed ones' |
262 | ); |
263 | |
264 | foreach my $symbol (keys %{ $syms }) { |
265 | is($syms->{$symbol}, $foo_stash->get_symbol('%' . $symbol), '... got the right symbol'); |
266 | } |
267 | |
268 | no warnings 'once'; |
269 | is_deeply( |
270 | $syms, |
271 | { zork => \%Foo::zork }, |
272 | "got the right ones", |
273 | ); |
274 | } |
275 | |
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276 | # check some errors |
277 | |
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278 | like(exception { |
279 | $foo_stash->add_symbol('@bar', {}) |
280 | }, qr/HASH.*is not of type ARRAY/, "can't initialize a slot with the wrong type of value"); |
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281 | |
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282 | like(exception { |
283 | $foo_stash->add_symbol('bar', []) |
284 | }, qr/ARRAY.*is not of type IO/, "can't initialize a slot with the wrong type of value"); |
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285 | |
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286 | like(exception { |
287 | $foo_stash->add_symbol('$bar', sub { }) |
288 | }, qr/CODE.*is not of type SCALAR/, "can't initialize a slot with the wrong type of value"); |
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289 | |
290 | { |
291 | package Bar; |
292 | open *foo, '<', $0; |
293 | } |
294 | |
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295 | like(exception { |
296 | $foo_stash->add_symbol('$bar', *Bar::foo{IO}) |
297 | }, qr/IO.*is not of type SCALAR/, "can't initialize a slot with the wrong type of value"); |
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298 | |
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299 | # check compile time manipulation |
300 | |
301 | { |
302 | package Baz; |
303 | |
304 | our $foo = 23; |
305 | our @foo = "bar"; |
306 | our %foo = (baz => 1); |
307 | sub foo { } |
308 | open *foo, '<', $0; |
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309 | BEGIN { Package::Stash->new(__PACKAGE__)->remove_symbol('&foo') } |
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310 | } |
311 | |
312 | { |
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313 | my $stash = Package::Stash->new('Baz'); |
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314 | is(${ $stash->get_symbol('$foo') }, 23, "got \$foo"); |
315 | is_deeply($stash->get_symbol('@foo'), ['bar'], "got \@foo"); |
316 | is_deeply($stash->get_symbol('%foo'), {baz => 1}, "got \%foo"); |
317 | ok(!$stash->has_symbol('&foo'), "got \&foo"); |
318 | is($stash->get_symbol('foo'), *Baz::foo{IO}, "got foo"); |
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319 | } |
320 | |
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321 | { |
322 | package Quux; |
323 | |
324 | our $foo = 23; |
325 | our @foo = "bar"; |
326 | our %foo = (baz => 1); |
327 | sub foo { } |
328 | open *foo, '<', $0; |
329 | } |
330 | |
331 | { |
332 | my $stash = Package::Stash->new('Quux'); |
333 | |
334 | my %expect = ( |
335 | '$foo' => \23, |
336 | '@foo' => ["bar"], |
337 | '%foo' => { baz => 1 }, |
338 | '&foo' => \&Quux::foo, |
339 | 'foo' => *Quux::foo{IO}, |
340 | ); |
341 | |
342 | for my $sym ( sort keys %expect ) { |
343 | is_deeply( |
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344 | $stash->get_symbol($sym), |
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345 | $expect{$sym}, |
346 | "got expected value for $sym" |
347 | ); |
348 | } |
349 | |
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350 | $stash->add_symbol('%bar' => {x => 42}); |
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351 | |
352 | $expect{'%bar'} = {x => 42}; |
353 | |
354 | for my $sym ( sort keys %expect ) { |
355 | is_deeply( |
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356 | $stash->get_symbol($sym), |
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357 | $expect{$sym}, |
358 | "got expected value for $sym" |
359 | ); |
360 | } |
361 | |
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362 | $stash->add_symbol('%bar' => {x => 43}); |
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363 | |
364 | $expect{'%bar'} = {x => 43}; |
365 | |
366 | for my $sym ( sort keys %expect ) { |
367 | is_deeply( |
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368 | $stash->get_symbol($sym), |
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369 | $expect{$sym}, |
370 | "got expected value for $sym" |
371 | ); |
372 | } |
373 | } |
374 | |
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375 | { |
376 | package Quuux; |
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377 | our $foo; |
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378 | our @foo; |
379 | our @bar; |
380 | our %baz; |
381 | sub baz { } |
382 | use constant quux => 1; |
383 | use constant quuux => []; |
384 | sub quuuux; |
385 | } |
386 | |
387 | { |
388 | my $quuux = Package::Stash->new('Quuux'); |
389 | is_deeply( |
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390 | [sort $quuux->list_all_symbols], |
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391 | [qw(BEGIN bar baz foo quuuux quuux quux)], |
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392 | "list_all_symbols", |
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393 | ); |
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394 | { local $TODO = ($] < 5.010 || $Package::Stash::IMPLEMENTATION eq 'PP') |
395 | ? "undef scalars aren't visible on 5.8, or from pure perl at all" |
396 | : undef; |
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397 | is_deeply( |
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398 | [sort $quuux->list_all_symbols('SCALAR')], |
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399 | [qw(foo)], |
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400 | "list_all_symbols SCALAR", |
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401 | ); |
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402 | } |
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403 | is_deeply( |
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404 | [sort $quuux->list_all_symbols('ARRAY')], |
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405 | [qw(bar foo)], |
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406 | "list_all_symbols ARRAY", |
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407 | ); |
408 | is_deeply( |
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409 | [sort $quuux->list_all_symbols('HASH')], |
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410 | [qw(baz)], |
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411 | "list_all_symbols HASH", |
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412 | ); |
413 | is_deeply( |
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414 | [sort $quuux->list_all_symbols('CODE')], |
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415 | [qw(baz quuuux quuux quux)], |
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416 | "list_all_symbols CODE", |
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417 | ); |
418 | } |
419 | |
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420 | done_testing; |