1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
|
# test
package Eval::Context ;
use strict ;
use warnings ;
use Data::TreeDumper ;
use Test::More ;
use Data::Dumper ;
#----------------------------------------------------------
package some_object ;
use strict ;
use warnings ;
sub new {bless { VALUE => $_[1] }, $_[0];}
sub GetValue {$_[0]->{VALUE} ;}
sub AddOne{$_[0]->{VALUE} += 1 ;}
sub GetDump {Data::Dumper->Dump([$_[0]]) ;}
#----------------------------------------------------------
package main ;
use strict ;
use warnings ;
use Data::TreeDumper ;
use Test::Exception ;
use Test::Warn;
use Test::NoWarnings qw(had_no_warnings);
use Test::More 'no_plan';
use Test::Block qw($Plan);
use Eval::Context ;
use constant SETUP => 0 ;
use constant CODE => 1 ;
use constant EXPECTED_RESULT => 2 ;
{
local $Plan = {'PERSISTENT' => 37} ;
my $scalar_caller_side = 42 ;
my $scalar_caller_side_reference = $scalar_caller_side ;
my $string_caller_side = 'a string' ;
my $string_caller_side_reference = $string_caller_side ;
my %hash_caller_side = (A => 1, B => 2) ;
my %hash_caller_side_reference = %hash_caller_side ;
my @array_caller_side = ('A', 'B') ;
my @array_caller_side_reference = @array_caller_side ;
my $object = new some_object(5) ;
my $object_dump = $object->GetDump() ;
my $context = new Eval::Context() ;
for my $test
(
# SETUP CODE EXPECTED RESULT
[ [ '$scalar' , $string_caller_side, $Eval::Context::PERSISTENT ] , "\$scalar ;\n" , '$output, $string_caller_side' ],
[ [ '$scalar' , $Eval::Context::USE, $Eval::Context::PERSISTENT ] , "\$scalar .= '*' ;\n" , '$output, $string_caller_side . "*"' ],
[ [ '$scalar' , $Eval::Context::USE, $Eval::Context::PERSISTENT ] , "\$scalar .= '*' ;\n" , '$output, $string_caller_side . "**"' ],
#---------------------------------------------------------------------------------------------------------------------------------------
[ [ '$variable' , $scalar_caller_side, $Eval::Context::PERSISTENT] => '$variable += 1 ;' => '$output => 43' ],
[ [ '$variable' , $scalar_caller_side, $Eval::Context::PERSISTENT] => '$variable += 1 ;' => '$output => 43' ],
[ [ '$variable' , $Eval::Context::USE, $Eval::Context::PERSISTENT] => '$variable += 1 ;' => '$output => 44' ],
[ [ '$variable' , $scalar_caller_side, $Eval::Context::PERSISTENT] => '$variable += 1 ;' => '$output => 43' ],
#---------------------------------------------------------------------------------------------------------------------------------------
[ [ '$hash' , \%hash_caller_side, $Eval::Context::PERSISTENT] , "\$hash->{B} ;\n" , '$output , $hash_caller_side{B}' ],
[ [ '$hash' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$hash->{B}++ ;\n my \$r = \$hash->{B} + 1;\n\$r ;\n"
, '$output , $hash_caller_side{B} + 2' ],
[ [ '$hash' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "my \$r = \$hash->{B} + 1;\n\$r ;\n"
, '$output , $hash_caller_side{B} + 2' ],
[ [ '$hash' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$hash->{B}++ ;\n"
, '$hash_caller_side{B} , $hash_caller_side_reference{B}' ],
#---------------------------------------------------------------------------------------------------------------------------------------
[ [ '%hash' , \%hash_caller_side, $Eval::Context::PERSISTENT] , "\$hash{B} ;\n" , '$output , $hash_caller_side{B}' ],
[ [ '%hash' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$hash{B}++;\n my \$r = \$hash{B} + 1;\n\$r ;\n"
, '$output , $hash_caller_side{B} + 2' ],
[ [ '%hash' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "my \$r = \$hash{B} + 1;\n\$r ;\n"
, '$output , $hash_caller_side{B} + 2' ],
[ [ '%hash' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$hash{B} ++\n"
, '$hash_caller_side{B} , $hash_caller_side_reference{B}' ],
#---------------------------------------------------------------------------------------------------------------------------------------
[ [ '$array' , \@array_caller_side, $Eval::Context::PERSISTENT] , "\$array->[1] ;\n" , '$output , $array_caller_side[1]' ],
[ [ '$array' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$array->[1] .= 'X' ;\n my \$r = \$array->[1] . '*';\n\$r ;\n"
, '$output , $array_caller_side[1] . "X*"' ],
[ [ '$array' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "my \$r = \$array->[1] . '*';\n\$r ;\n"
, '$output , $array_caller_side[1] . "X*"' ],
[ [ '$array' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$array->[1]++ ;\n"
, '$array_caller_side[1] , $array_caller_side_reference[1]' ],
#---------------------------------------------------------------------------------------------------------------------------------------
[ [ '@array' , \@array_caller_side, $Eval::Context::PERSISTENT] , "\$array[1] ;\n" , '$output , $array_caller_side[1]' ],
[ [ '@array' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$array[1] .= 'X' ;\nmy \$r = \$array[1] . '*';\n\$r ;\n "
, '$output , $array_caller_side[1] . "X*"' ],
[ [ '@array' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "my \$r = \$array[1] . '*';\n\$r ;\n "
, '$output , $array_caller_side[1] . "X*"' ],
[ [ '@array' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$array[1] .= 'X' ;\n "
, '$array_caller_side[1] , $array_caller_side_reference[1]' ],
#---------------------------------------------------------------------------------------------------------------------------------------
[ [ '$object' , $object, $Eval::Context::PERSISTENT] , "\$object->GetValue() ;\n" , '$output , $object->GetValue()' ],
[ [ '$object' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$object->AddOne() ;\n" , '$output , $object->GetValue() + 1' ],
[ [ '$object' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$object->AddOne() ;\n" , '$output , $object->GetValue() + 2' ],
[ [ '$object' , $Eval::Context::USE, $Eval::Context::PERSISTENT] , "\$object->AddOne() ;\n" , '$object->GetDump() , $object_dump' ],
#---------------------------------------------------------------------------------------------------------------------------------------
)
{
my $output = $context->eval
(
INSTALL_VARIABLES => [$test->[SETUP]],
CODE => $test->[CODE],
) ;
eval qq~ is($test->[EXPECTED_RESULT], 'eval side only') or diag "latest code:\n\$context->{LATEST_CODE}\n" ~ ;
die $@ if $@ ;
}
my @persistent_variable_names = sort $context->GetPersistentVariableNames() ;
is_deeply(\@persistent_variable_names , [sort qw($object $array $variable %hash $hash $scalar @array)], 'persistent variable names') or diag DumpTree(\@persistent_variable_names ) ;
throws_ok
{
my $hash_after_eval = $context->GetPersistantVariables('%unknown') ;
} qr /PERSISTENT variable '%unknown' doesn't exist/, 'accessing non persistent variable' ;
lives_ok
{
my $output = $context->eval
(
INSTALL_VARIABLES => [[ '$object' , 42, $Eval::Context::PERSISTENT]],
CODE => '$object;',
) ;
is($output, 42) ;
} 'persistent override' ;
{
my $hash_after_eval = $context->GetPersistantVariables('$hash') ;
is_deeply($hash_after_eval, {A => 1, B => 4}, 'get $hash') ;
my %hash = $context->GetPersistantVariables('%hash') ;
is_deeply(\%hash, {A => 1, B => 4}, 'get %hash') or diag DumpTree \%hash ;
# whatever the user set so might a reference
my $variable = $context->GetPersistantVariables('$variable') ;
is($variable, 43, 'get $variable') ;
}
# get more than one variable
{
# be careful with argument list flattening
my ($hash_ref, %hash) = $context->GetPersistantVariables('$hash', '%hash') ;
is_deeply($hash_ref, {A => 1, B => 4}, 'get $hash (multiple arguments)') ;
is_deeply(\%hash, {A => 1, B => 4}, 'get %hash (multiple arguments)') ;
}
# die if context is wrong
throws_ok
{
$context->GetPersistantVariables('$hash') ;
} qr /called in void context/, 'called in void context' ;
}
{
local $Plan = {'REMOVE_PERSISTENT' => 7} ;
my $scalar_caller_side = 42 ;
my $string_caller_side = 'a string' ;
my %hash_caller_side = (A => 1, B => 2) ;
my @array_caller_side = ('A', 'B') ;
my $object = new some_object(5) ;
my $context = new Eval::Context() ;
my $output = $context->eval
(
INSTALL_VARIABLES => [[ '$variable' , $scalar_caller_side , $Eval::Context::PERSISTENT]],
CODE => '$variable += 1 ;',
) ;
is($output => 43, 'eval side only') or diag "latest code:\n$context->{LATEST_CODE}\n" ;
$output = $context->eval
(
INSTALL_VARIABLES => [[ '$variable' , $Eval::Context::USE, $Eval::Context::PERSISTENT]],
CODE => '$variable += 1 ;',
) ;
is($output => 44, 'eval side only') or diag "latest code:\n$context->{LATEST_CODE}\n" ;
$output = $context->eval
(
INSTALL_VARIABLES => [[ '$variable' , $Eval::Context::USE, $Eval::Context::PERSISTENT]],
CODE => '$variable += 1 ;',
REMOVE_PERSISTENT => [qr/not matching/],
) ;
is($output => 45, 'eval side only') or diag "latest code:\n$context->{LATEST_CODE}\n" ;
$output = $context->eval
(
REMOVE_PERSISTENT => [qr/variable/],
INSTALL_VARIABLES => [[ '$variable' , undef, $Eval::Context::PERSISTENT]],
CODE => '$variable += 1 ;',
) ;
is($output => 1, 'eval side only') or diag "latest code:\n$context->{LATEST_CODE}\n" ;
my @persistent_variable_names = $context->GetPersistentVariableNames() ;
is_deeply(\@persistent_variable_names , ['$variable'], 'persistent variable names') or diag DumpTree(\@persistent_variable_names ) ;
$output = $context->eval
(
CODE => '',
REMOVE_PERSISTENT => [qr/variable/],
) ;
@persistent_variable_names = $context->GetPersistentVariableNames() ;
is_deeply(\@persistent_variable_names , [], 'persistent variable names') or diag DumpTree(\@persistent_variable_names ) ;
throws_ok
{
$context->eval
(
CODE => '',
REMOVE_PERSISTENT => 1,
) ;
} qr/Anonymous: 'REMOVE_PERSISTENT' must be an array reference containing regexes/, 'invalid REMOVE_PERSISTENT definition' ;
}
{
local $Plan = {'SHARE vs PERSISTENT' => 1} ;
my $object = new some_object(5) ;
my $context = new Eval::Context() ;
$context->eval
(
CODE => '',
INSTALL_VARIABLES => [[ '$object' , $object, $Eval::Context::SHARED] ],
) ;
throws_ok
{
$context->eval
(
CODE => '',
INSTALL_VARIABLES => [[ '$object' , $object, $Eval::Context::PERSISTENT] ],
) ;
} qr/'\$object' can't be PERSISTENT, already SHARED/, 'can not have persistent and shared' ;
}
{
local $Plan = {'undef PERSISTENT variable' => 3} ;
my $context = new Eval::Context() ;
my $output = $context->eval
(
CODE => '$object ;',
INSTALL_VARIABLES => [[ '$object' , undef, $Eval::Context::PERSISTENT] ],
) ;
is($output, undef, 'underfined persistent declaration') ;
$output = $context->eval
(
CODE => '$object ;',
INSTALL_VARIABLES => [[ '$object' , $Eval::Context::USE, $Eval::Context::PERSISTENT] ],
) ;
is($output, undef, 'underfined persistent') ;
$output = $context->eval
(
CODE => '$object ;',
INSTALL_VARIABLES => [[ '$object' , 42, $Eval::Context::PERSISTENT] ],
) ;
is($output, 42, 'underfined persistent') ;
}
|
