5 use DX::Observer::FromCode;
6 use DX::Action::FromCode;
10 package My::PathStatus;
14 has path => (is => 'ro', required => 1);
15 has info => (is => 'ro', predicate => 1);
17 package My::PathStatusInfo;
21 has is_directory => (is => 'ro', default => 0);
22 has is_file => (is => 'ro', default => 0);
23 has mode => (is => 'ro', required => 1);
26 @INC{qw(My/PathStatus.pm My/PathStatusInfo.pm)} = (__FILE__,__FILE__);
29 '.ssh' => My::PathStatus->new(
31 info => My::PathStatusInfo->new(is_directory => 1, mode => '0755')
33 '.ssh/authorized_keys' => My::PathStatus->new(
34 path => '.ssh/authorized_keys',
35 info => My::PathStatusInfo->new(is_file => 1, mode => '0644')
40 '.ssh' => My::PathStatus->new(
47 my $solver = DX::Solver->new(
48 facts => { path_status => DX::SetOver->new(
50 values => \%path_status,
54 $solver->add_rule(@$_) for (
55 [ path_status => [ qw(PS) ],
56 [ member_of => 'PS', [ value => 'path_status' ] ] ],
57 [ path => [ qw(PS P) ],
58 [ prop => 'PS', [ value => 'path' ], 'P' ] ],
59 [ mode => [ qw(PS M) ],
60 [ exists => [ qw(PSI) ],
61 [ prop => 'PS', [ value => 'info' ], 'PSI' ],
62 [ prop => 'PSI', [ value => 'mode' ], 'M' ] ] ],
63 [ exists_path => [ qw(PS) ],
64 [ exists => [ qw(PSI) ],
65 [ prop => 'PS', [ value => 'info' ], 'PSI' ],
66 [ prop => 'PSI', [ value => 'is_directory' ], [ value => 1 ] ] ] ],
67 [ exists_path => [ qw(PS) ],
68 [ exists => [ qw(PSI) ],
69 [ prop => 'PS', [ value => 'info' ], 'PSI' ],
70 [ prop => 'PSI', [ value => 'is_file' ], [ value => 1 ] ] ] ],
71 [ is_directory => [ qw(PS) ],
72 [ exists => [ qw(PSI) ],
73 [ prop => 'PS', [ value => 'info' ], 'PSI' ],
74 [ prop => 'PSI', [ value => 'is_directory' ], [ value => 1 ] ] ] ],
75 [ is_file => [ qw(PS) ],
76 [ exists => [ qw(PSI) ],
77 [ prop => 'PS', [ value => 'info' ], 'PSI' ],
78 [ prop => 'PSI', [ value => 'is_file' ], [ value => 1 ] ] ] ],
81 %path_status = %protos;
83 sub paths_for_simple {
84 join ' ', map $_->{PS}->bound_value->path, $solver->query(
85 [ qw(PS) ], [ path_status => 'PS' ], @_
89 is(paths_for_simple(), '.ssh .ssh/authorized_keys');
91 is(paths_for_simple([ is_directory => 'PS' ]), '.ssh');
93 is(paths_for_simple([ is_file => 'PS' ]), '.ssh/authorized_keys');
95 is(paths_for_simple([ mode => 'PS', [ value => '0755' ] ]), '.ssh');
98 path_status_at => [ 'PS', 'P' ],
99 [ path_status => 'PS' ],
100 [ path => qw(PS P) ],
103 path_status_at => [ 'PS', 'P' ],
104 [ constrain => [] => sub { die "ARGH" } ]
110 [ path_status_at => 'PS', [ value => '.ssh' ] ]
114 delete $solver->rule_set->rules->{'path_status_at/2'};
117 path_status_at => [ 'PS', 'P' ],
118 [ path_status => 'PS' ],
119 [ path => qw(PS P) ],
123 path_status_at => [ 'PS', 'P' ],
124 [ constrain => [] => sub { die "ARGH" } ]
130 @res = $solver->query(
132 [ path_status_at => 'PS', [ value => '.ssh' ] ]
136 is(join(' ', map $_->{PS}->bound_value->path, @res), '.ssh');
138 delete $solver->rule_set->rules->{'path_status_at/2'};
141 path_status_at => [ 'PS', 'P' ],
142 [ path_status => 'PS' ],
143 [ path => qw(PS P) ],
150 path_status_at => [ 'PS', 'P' ],
151 [ observe => [ 'P' ],
154 DX::Observer::FromCode->new(
155 code => sub { (path_status => $ob_res{$path}) }
159 [ path_status => 'PS' ],
160 [ path => qw(PS P) ],
165 $ob_res{'.ssh'} = $protos{'.ssh'};
168 join ' ', map $_->{PS}->bound_value->path, $solver->query([ 'PS' ], @_)->results;
172 paths_for([ path_status => 'PS' ], [ path => 'PS', [ value => '.ssh' ] ]),
177 throws_ok { paths_for([ path_status_at => 'PS', [ value => '.ssh' ] ]) }
180 $solver->{observation_policy} = sub { 1 };
183 paths_for([ path_status_at => 'PS', [ value => '.ssh' ] ]),
188 is($path_status{'.ssh'}, $ob_res{'.ssh'});
190 delete $solver->{observation_policy};
192 lives_ok { paths_for([ path_status_at => 'PS', [ value => '.ssh' ] ]) }
193 'No observation required anymore';
195 $path_status{'.ssh/authorized_keys'} = $protos{'.ssh/authorized_keys'};
198 paths_for([ path_status => 'PS' ], [ not => [ is_directory => 'PS' ] ]),
199 '.ssh/authorized_keys',
203 $solver->add_rule(@$_) for (
204 [ directory_at => [ qw(PS P) ],
205 [ path_status_at => qw(PS P) ],
206 [ is_directory => 'PS' ] ],
211 $ob_res{'.ssh'} = $empty{'.ssh'};
213 #%path_status = %protos;
215 $solver->{observation_policy} = sub { 1 };
218 $solver->query([ 'PS' ], [ directory_at => 'PS' => [ value => '.ssh' ] ]);
222 [ dot_ssh_query()->results ],
226 #::Dwarn(paths_for([ directory_at => 'PS', [ value => '.ssh' ] ]));
228 $solver->add_rule(@$_) for (
229 [ is_directory => [ qw(PS) ],
230 [ not => [ exists_path => 'PS' ] ],
234 my ($id, $value) = ($ps_var->id, $ps_var->bound_value);
235 DX::Action::FromCode->new(
237 ($id => My::PathStatus->new(
238 path => $value->path,
239 info => My::PathStatusInfo->new(
240 is_directory => 1, mode => ''
245 $ob_res{$value->path} = $protos{$value->path};
246 (path_status => $value);
254 @res = dot_ssh_query()->results;
256 is(scalar(@res),1,'Single result');
258 is($path_status{'.ssh'}, $empty{'.ssh'}, 'Empty observed');
260 ok(my $action = $res[0]->{PS}->action);
262 my ($type, $value) = $action->run;
264 $solver->facts->{$type}->remove_value($value);
266 ok(!$path_status{'.ssh'}, 'Empty retracted');
268 @res = dot_ssh_query()->results;
270 is(scalar(@res),1,'Single result');
272 is($path_status{'.ssh'}, $protos{'.ssh'}, 'Created observed');
274 ok(!$res[0]->{PS}->action, 'No action');