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
|
package CGI::Test::Page::HTML;
use strict;
use warnings;
####################################################################
# $Id: HTML.pm 411 2011-09-26 11:19:30Z nohuhu@nohuhu.org $
# $Name: cgi-test_0-104_t1 $
####################################################################
#
# Copyright (c) 2001, Raphael Manfredi
#
# You may redistribute only under the terms of the Artistic License,
# as specified in the README file that comes with the distribution.
require CGI::Test::Page::Real;
use base qw(CGI::Test::Page::Real);
#
# ->new
#
# Creation routine
#
sub new
{
my $this = bless {}, shift;
$this->_init(@_);
return $this;
}
#
# Attribute access
#
sub tree
{
my $this = shift;
return $this->{tree} || $this->_build_tree();
}
sub forms
{
my $this = shift;
return $this->{forms} || $this->_xtract_forms();
}
sub form_count
{
my $this = shift;
$this->_xtract_forms() unless exists $this->{form_count};
return $this->{form_count};
}
#
# ->_build_tree
#
# Parse HTML content from `raw_content' into an HTML tree.
# Only called the first time an access to `tree' is requested.
#
# Returns constructed tree object.
#
sub _build_tree
{
my $this = shift;
require HTML::TreeBuilder;
my $tree = HTML::TreeBuilder->new();
$tree->ignore_unknown(0); # Keep everything, even unknown tags
$tree->store_comments(1); # Useful things may hide in "comments"
$tree->store_declarations(1); # Store everything that we may test
$tree->store_pis(1); # Idem
$tree->warn(1); # We want to know if there's a problem
$tree->parse($this->raw_content);
$tree->eof;
return $this->{tree} = $tree;
}
#
# _xtract_forms
#
# Extract <FORMS> tags out of the tree, and for each form, build a
# CGI::Test::Form object that represents it.
# Only called the first time an access to `forms' is requested.
#
# Side effect: updates the `forms' and `form_count' attributes.
#
# Returns list ref of objects, in the order they were found.
#
sub _xtract_forms
{
my $this = shift;
my $tree = $this->tree;
require CGI::Test::Form;
#
# The CGI::Test::Form objects we're about to create will refer back to
# us, because they are conceptually part of this page. Besides, their
# HTML tree is a direct reference into our own tree.
#
my @forms = $tree->look_down(sub {$_[ 0 ]->tag eq "form"});
@forms = map {CGI::Test::Form->new($_, $this)} @forms;
$this->{form_count} = scalar @forms;
return $this->{forms} = \@forms;
}
#
# ->delete
#
# Break circular references
#
sub delete
{
my $this = shift;
#
# The following attributes are "lazy", i.e. calculated on demand.
# Therefore, take precautions before de-referencing them.
#
$this->{tree} = $this->{tree}->delete if ref $this->{tree};
if (ref $this->{forms})
{
foreach my $form (@{$this->{forms}})
{
$form->delete;
}
delete $this->{forms};
}
$this->SUPER::delete;
return;
}
#
# (DESTROY)
#
# Dispose of HTML tree properly
#
sub DESTROY
{
my $this = shift;
return unless ref $this->{tree};
$this->{tree} = $this->{tree}->delete;
return;
}
1;
=head1 NAME
CGI::Test::Page::HTML - A HTML page reply
=head1 SYNOPSIS
# Inherits from CGI::Test::Page::Real
=head1 DESCRIPTION
This class represents an HTTP reply containing C<text/html> data.
When testing CGI scripts, this is usually what one gets back.
=head1 INTERFACE
The interface is the same as the one described in L<CGI::Test::Page::Real>,
with the following addition:
=over 4
=item C<tree>
Returns the root of the HTML tree of the page content, as an
HTML::Element node.
=back
=head1 AUTHORS
The original author is Raphael Manfredi.
Steven Hilton was long time maintainer of this module.
Current maintainer is Alexander Tokarev F<E<lt>tokarev@cpan.orgE<gt>>.
=head1 SEE ALSO
CGI::Test::Page::Real(3), HTML::Element(3).
=cut
|
