[gitmo/Moose.git] / t / cmop / meta_package.t

use strict;
use warnings;

use Test::More;
use Test::Fatal;

use Class::MOP;
use Class::MOP::Package;


isnt( exception { Class::MOP::Package->get_all_package_symbols }, undef, q{... can't call get_all_package_symbols() as a class method} );
isnt( exception { Class::MOP::Package->name }, undef, q{... can't call name() as a class method} );

{
    package Foo;

    use constant SOME_CONSTANT => 1;

    sub meta { Class::MOP::Package->initialize('Foo') }
}

# ----------------------------------------------------------------------
## tests adding a HASH

ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet');
ok(!Foo->meta->has_package_symbol('%foo'), '... the meta agrees');
ok(!defined($Foo::{foo}), '... checking doesn\' vivify');

is( exception {
    Foo->meta->add_package_symbol('%foo' => { one => 1 });
}, undef, '... created %Foo::foo successfully' );

# ... scalar should NOT be created here

ok(!Foo->meta->has_package_symbol('$foo'), '... SCALAR shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('@foo'), '... ARRAY shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('&foo'), '... CODE shouldnt have been created too');

ok(defined($Foo::{foo}), '... the %foo slot was created successfully');
ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees');

# check the value ...

{
    no strict 'refs';
    ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly');
    is(${'Foo::foo'}{one}, 1, '... our %foo was initialized correctly');
}

my $foo = Foo->meta->get_package_symbol('%foo');
is_deeply({ one => 1 }, $foo, '... got the right package variable back');

# ... make sure changes propogate up

$foo->{two} = 2;

{
    no strict 'refs';
    is(\%{'Foo::foo'}, Foo->meta->get_package_symbol('%foo'), '... our %foo is the same as the metas');

    ok(exists ${'Foo::foo'}{two}, '... our %foo was updated correctly');
    is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly');
}

# ----------------------------------------------------------------------
## test adding an ARRAY

ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet');

is( exception {
    Foo->meta->add_package_symbol('@bar' => [ 1, 2, 3 ]);
}, undef, '... created @Foo::bar successfully' );

ok(defined($Foo::{bar}), '... the @bar slot was created successfully');
ok(Foo->meta->has_package_symbol('@bar'), '... the meta agrees');

# ... why does this not work ...

ok(!Foo->meta->has_package_symbol('$bar'), '... SCALAR shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('%bar'), '... HASH shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('&bar'), '... CODE shouldnt have been created too');

# check the value itself

{
    no strict 'refs';
    is(scalar @{'Foo::bar'}, 3, '... our @bar was initialized correctly');
    is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly');
}

# ----------------------------------------------------------------------
## test adding a SCALAR

ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet');

is( exception {
    Foo->meta->add_package_symbol('$baz' => 10);
}, undef, '... created $Foo::baz successfully' );

ok(defined($Foo::{baz}), '... the $baz slot was created successfully');
ok(Foo->meta->has_package_symbol('$baz'), '... the meta agrees');

ok(!Foo->meta->has_package_symbol('@baz'), '... ARRAY shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('%baz'), '... HASH shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('&baz'), '... CODE shouldnt have been created too');

is(${Foo->meta->get_package_symbol('$baz')}, 10, '... got the right value back');

{
    no strict 'refs';
    ${'Foo::baz'} = 1;

    is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly');
    is(${Foo->meta->get_package_symbol('$baz')}, 1, '... the meta agrees');
}

# ----------------------------------------------------------------------
## test adding a CODE

ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet');

is( exception {
    Foo->meta->add_package_symbol('&funk' => sub { "Foo::funk" });
}, undef, '... created &Foo::funk successfully' );

ok(defined($Foo::{funk}), '... the &funk slot was created successfully');
ok(Foo->meta->has_package_symbol('&funk'), '... the meta agrees');

ok(!Foo->meta->has_package_symbol('$funk'), '... SCALAR shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('@funk'), '... ARRAY shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('%funk'), '... HASH shouldnt have been created too');

{
    no strict 'refs';
    ok(defined &{'Foo::funk'}, '... our &funk exists');
}

is(Foo->funk(), 'Foo::funk', '... got the right value from the function');

# ----------------------------------------------------------------------
## test multiple slots in the glob

my $ARRAY = [ 1, 2, 3 ];
my $CODE = sub { "Foo::foo" };

is( exception {
    Foo->meta->add_package_symbol('@foo' => $ARRAY);
}, undef, '... created @Foo::foo successfully' );

ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot was added successfully');
is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');

is( exception {
    Foo->meta->add_package_symbol('&foo' => $CODE);
}, undef, '... created &Foo::foo successfully' );

ok(Foo->meta->has_package_symbol('&foo'), '... the meta agrees');
is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');

is( exception {
    Foo->meta->add_package_symbol('$foo' => 'Foo::foo');
}, undef, '... created $Foo::foo successfully' );

ok(Foo->meta->has_package_symbol('$foo'), '... the meta agrees');
my $SCALAR = Foo->meta->get_package_symbol('$foo');
is($$SCALAR, 'Foo::foo', '... got the right scalar value back');

{
    no strict 'refs';
    is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar');
}

is( exception {
    Foo->meta->remove_package_symbol('%foo');
}, undef, '... removed %Foo::foo successfully' );

ok(!Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully');
ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
ok(Foo->meta->has_package_symbol('&foo'), '... the &foo slot still exists');
ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');

is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');

{
    no strict 'refs';
    ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
    ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
    ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed');
    ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
}

is( exception {
    Foo->meta->remove_package_symbol('&foo');
}, undef, '... removed &Foo::foo successfully' );

ok(!Foo->meta->has_package_symbol('&foo'), '... the &foo slot no longer exists');

ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');

is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');

{
    no strict 'refs';
    ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
    ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
    ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
    ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
}

is( exception {
    Foo->meta->remove_package_symbol('$foo');
}, undef, '... removed $Foo::foo successfully' );

ok(!Foo->meta->has_package_symbol('$foo'), '... the $foo slot no longer exists');

ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');

is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');

{
    no strict 'refs';
    ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
    ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
    ok(!defined(${"Foo::foo"}), '... the $foo slot has now been removed');
    ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
}

# get_all_package_symbols

{
    my $syms = Foo->meta->get_all_package_symbols;
    is_deeply(
        [ sort keys %{ $syms } ],
        [ sort Foo->meta->list_all_package_symbols ],
        '... the fetched symbols are the same as the listed ones'
    );
}

{
    my $syms = Foo->meta->get_all_package_symbols('CODE');

    is_deeply(
        [ sort keys %{ $syms } ],
        [ sort Foo->meta->list_all_package_symbols('CODE') ],
        '... the fetched symbols are the same as the listed ones'
    );

    foreach my $symbol (keys %{ $syms }) {
        is($syms->{$symbol}, Foo->meta->get_package_symbol('&' . $symbol), '... got the right symbol');
    }
}

{
    Foo->meta->add_package_symbol('%zork');

    my $syms = Foo->meta->get_all_package_symbols('HASH');

    is_deeply(
        [ sort keys %{ $syms } ],
        [ sort Foo->meta->list_all_package_symbols('HASH') ],
        '... the fetched symbols are the same as the listed ones'
    );

    foreach my $symbol (keys %{ $syms }) {
        is($syms->{$symbol}, Foo->meta->get_package_symbol('%' . $symbol), '... got the right symbol');
    }

    no warnings 'once';
    is_deeply(
        $syms,
        { zork => \%Foo::zork },
        "got the right ones",
    );
}

done_testing;
Commit	Line	Data
38bf2a25	1	use strict;
	2	use warnings;
	3
	4	use Test::More;
	5	use Test::Fatal;
	6
	7	use Class::MOP;
	8	use Class::MOP::Package;
	9
	10
	11	isnt( exception { Class::MOP::Package->get_all_package_symbols }, undef, q{... can't call get_all_package_symbols() as a class method} );
	12	isnt( exception { Class::MOP::Package->name }, undef, q{... can't call name() as a class method} );
	13
	14	{
	15	package Foo;
	16
	17	use constant SOME_CONSTANT => 1;
	18
	19	sub meta { Class::MOP::Package->initialize('Foo') }
	20	}
	21
	22	# ----------------------------------------------------------------------
	23	## tests adding a HASH
	24
	25	ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet');
	26	ok(!Foo->meta->has_package_symbol('%foo'), '... the meta agrees');
	27	ok(!defined($Foo::{foo}), '... checking doesn\' vivify');
	28
	29	is( exception {
	30	Foo->meta->add_package_symbol('%foo' => { one => 1 });
	31	}, undef, '... created %Foo::foo successfully' );
	32
	33	# ... scalar should NOT be created here
	34
	35	ok(!Foo->meta->has_package_symbol('$foo'), '... SCALAR shouldnt have been created too');
	36	ok(!Foo->meta->has_package_symbol('@foo'), '... ARRAY shouldnt have been created too');
	37	ok(!Foo->meta->has_package_symbol('&foo'), '... CODE shouldnt have been created too');
	38
	39	ok(defined($Foo::{foo}), '... the %foo slot was created successfully');
	40	ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees');
	41
	42	# check the value ...
	43
	44	{
	45	no strict 'refs';
	46	ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly');
	47	is(${'Foo::foo'}{one}, 1, '... our %foo was initialized correctly');
	48	}
	49
	50	my $foo = Foo->meta->get_package_symbol('%foo');
	51	is_deeply({ one => 1 }, $foo, '... got the right package variable back');
	52
	53	# ... make sure changes propogate up
	54
	55	$foo->{two} = 2;
	56
	57	{
	58	no strict 'refs';
	59	is(\%{'Foo::foo'}, Foo->meta->get_package_symbol('%foo'), '... our %foo is the same as the metas');
	60
	61	ok(exists ${'Foo::foo'}{two}, '... our %foo was updated correctly');
	62	is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly');
	63	}
	64
65	# ----------------------------------------------------------------------
66	## test adding an ARRAY
67
68	ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet');
69
70	is( exception {
71	Foo->meta->add_package_symbol('@bar' => [ 1, 2, 3 ]);
72	}, undef, '... created @Foo::bar successfully' );
73
74	ok(defined($Foo::{bar}), '... the @bar slot was created successfully');
75	ok(Foo->meta->has_package_symbol('@bar'), '... the meta agrees');
76
77	# ... why does this not work ...
78
79	ok(!Foo->meta->has_package_symbol('$bar'), '... SCALAR shouldnt have been created too');
80	ok(!Foo->meta->has_package_symbol('%bar'), '... HASH shouldnt have been created too');
81	ok(!Foo->meta->has_package_symbol('&bar'), '... CODE shouldnt have been created too');
82
83	# check the value itself
84
85	{
86	no strict 'refs';
87	is(scalar @{'Foo::bar'}, 3, '... our @bar was initialized correctly');
88	is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly');
89	}
90
91	# ----------------------------------------------------------------------
92	## test adding a SCALAR
93
94	ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet');
95
96	is( exception {
97	Foo->meta->add_package_symbol('$baz' => 10);
98	}, undef, '... created $Foo::baz successfully' );
99
100	ok(defined($Foo::{baz}), '... the $baz slot was created successfully');
101	ok(Foo->meta->has_package_symbol('$baz'), '... the meta agrees');
102
103	ok(!Foo->meta->has_package_symbol('@baz'), '... ARRAY shouldnt have been created too');
104	ok(!Foo->meta->has_package_symbol('%baz'), '... HASH shouldnt have been created too');
105	ok(!Foo->meta->has_package_symbol('&baz'), '... CODE shouldnt have been created too');
106
107	is(${Foo->meta->get_package_symbol('$baz')}, 10, '... got the right value back');
108
109	{
110	no strict 'refs';
111	${'Foo::baz'} = 1;
112
113	is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly');
114	is(${Foo->meta->get_package_symbol('$baz')}, 1, '... the meta agrees');
115	}
116
117	# ----------------------------------------------------------------------
118	## test adding a CODE
119
120	ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet');
121
122	is( exception {
123	Foo->meta->add_package_symbol('&funk' => sub { "Foo::funk" });
124	}, undef, '... created &Foo::funk successfully' );
125
126	ok(defined($Foo::{funk}), '... the &funk slot was created successfully');
127	ok(Foo->meta->has_package_symbol('&funk'), '... the meta agrees');
128
129	ok(!Foo->meta->has_package_symbol('$funk'), '... SCALAR shouldnt have been created too');
130	ok(!Foo->meta->has_package_symbol('@funk'), '... ARRAY shouldnt have been created too');
131	ok(!Foo->meta->has_package_symbol('%funk'), '... HASH shouldnt have been created too');
132
133	{
134	no strict 'refs';
135	ok(defined &{'Foo::funk'}, '... our &funk exists');
136	}
137
138	is(Foo->funk(), 'Foo::funk', '... got the right value from the function');
139
140	# ----------------------------------------------------------------------
141	## test multiple slots in the glob
142
143	my $ARRAY = [ 1, 2, 3 ];
144	my $CODE = sub { "Foo::foo" };
145
146	is( exception {
147	Foo->meta->add_package_symbol('@foo' => $ARRAY);
148	}, undef, '... created @Foo::foo successfully' );
149
150	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot was added successfully');
151	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
152
153	is( exception {
154	Foo->meta->add_package_symbol('&foo' => $CODE);
155	}, undef, '... created &Foo::foo successfully' );
156
157	ok(Foo->meta->has_package_symbol('&foo'), '... the meta agrees');
158	is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
159
160	is( exception {
161	Foo->meta->add_package_symbol('$foo' => 'Foo::foo');
162	}, undef, '... created $Foo::foo successfully' );
163
164	ok(Foo->meta->has_package_symbol('$foo'), '... the meta agrees');
165	my $SCALAR = Foo->meta->get_package_symbol('$foo');
166	is($$SCALAR, 'Foo::foo', '... got the right scalar value back');
167
168	{
169	no strict 'refs';
170	is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar');
171	}
172
173	is( exception {
174	Foo->meta->remove_package_symbol('%foo');
175	}, undef, '... removed %Foo::foo successfully' );
176
177	ok(!Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully');
178	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
179	ok(Foo->meta->has_package_symbol('&foo'), '... the &foo slot still exists');
180	ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');
181
182	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
183	is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
184	is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
185
186	{
187	no strict 'refs';
188	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
189	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
190	ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed');
191	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
192	}
193
194	is( exception {
195	Foo->meta->remove_package_symbol('&foo');
196	}, undef, '... removed &Foo::foo successfully' );
197
198	ok(!Foo->meta->has_package_symbol('&foo'), '... the &foo slot no longer exists');
199
200	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
201	ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');
202
203	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
204	is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
205
206	{
207	no strict 'refs';
208	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
209	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
210	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
211	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
212	}
213
214	is( exception {
215	Foo->meta->remove_package_symbol('$foo');
216	}, undef, '... removed $Foo::foo successfully' );
217
218	ok(!Foo->meta->has_package_symbol('$foo'), '... the $foo slot no longer exists');
219
220	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
221
222	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
223
224	{
225	no strict 'refs';
226	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
227	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
228	ok(!defined(${"Foo::foo"}), '... the $foo slot has now been removed');
229	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
230	}
231
232	# get_all_package_symbols
233
234	{
235	my $syms = Foo->meta->get_all_package_symbols;
236	is_deeply(
237	[ sort keys %{ $syms } ],
238	[ sort Foo->meta->list_all_package_symbols ],
239	'... the fetched symbols are the same as the listed ones'
240	);
241	}
242
243	{
244	my $syms = Foo->meta->get_all_package_symbols('CODE');
245
246	is_deeply(
247	[ sort keys %{ $syms } ],
248	[ sort Foo->meta->list_all_package_symbols('CODE') ],
249	'... the fetched symbols are the same as the listed ones'
250	);
251
252	foreach my $symbol (keys %{ $syms }) {
253	is($syms->{$symbol}, Foo->meta->get_package_symbol('&' . $symbol), '... got the right symbol');
254	}
255	}
256
257	{
258	Foo->meta->add_package_symbol('%zork');
259
260	my $syms = Foo->meta->get_all_package_symbols('HASH');
261
262	is_deeply(
263	[ sort keys %{ $syms } ],
264	[ sort Foo->meta->list_all_package_symbols('HASH') ],
265	'... the fetched symbols are the same as the listed ones'
266	);
267
268	foreach my $symbol (keys %{ $syms }) {
269	is($syms->{$symbol}, Foo->meta->get_package_symbol('%' . $symbol), '... got the right symbol');
270	}
271
272	no warnings 'once';
273	is_deeply(
274	$syms,
275	{ zork => \%Foo::zork },
276	"got the right ones",
277	);
278	}
279
280	done_testing;