1WWW::Mechanize::TreeBuiUlsdeerr(C3o)ntributed Perl DocumWeWnWt:a:tMieocnhanize::TreeBuilder(3)
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NAME

6       WWW::Mechanize::TreeBuilder - combine WWW::Mechanize and
7       HTML::TreeBuilder in nice ways
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SYNOPSIS

10        use Test::More tests => 2;
11        use Test::WWW::Mechanize;
12        use WWW::Mechanize::TreeBuilder;
13        # or
14        # use WWW::Mechanize;
15        # or
16        # use Test::WWW::Mechanize::Catalyst 'MyApp';
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18        my $mech = Test::WWW::Mechanize->new;
19        # or
20        #my $mech = Test::WWW::Mechanize::Catalyst->new;
21        # etc. etc.
22        WWW::Mechanize::TreeBuilder->meta->apply($mech);
23
24        $mech->get_ok('/');
25        is( $mech->look_down(_tag => 'p')->as_trimmed_text, 'Some text', 'It worked' );
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DESCRIPTION

28       This module combines WWW::Mechanize and HTML::TreeBuilder. Why? Because
29       I've seen too much code like the following:
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31        like($mech->content, qr{<p>some text</p>}, "Found the right tag");
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33       Which is just all flavours of wrong - its akin to processing XML with
34       regexps.  Instead, do it like the following:
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36        ok($mech->look_down(_tag => 'p', sub { $_[0]->as_trimmed_text eq 'some text' })
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38       The anon-sub there is a bit icky, but this means that anyone should
39       happen to add attributes to the "<p>" tag (such as an id or a class) it
40       will still work and find the right tag.
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42       All of the methods available on HTML::Element (that aren't 'private' -
43       i.e.  that don't begin with an underscore) such as "look_down" or
44       "find" are automatically delegated to "$mech->tree" through the magic
45       of Moose.
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METHODS

48       Everything in WWW::Mechanize (or which ever sub class you apply it to)
49       and all public methods from HTML::Element except those where
50       WWW::Mechanize and HTML::Element overlap. In the case where the two
51       classes both define a method, the one from WWW::Mechanize will be used
52       (so that the existing behaviour of Mechanize doesn't break.)
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USING XPATH OR OTHER SUBCLASSES

55       HTML::TreeBuilder::XPath allows you to use xpath selectors to select
56       elements in the tree. You can use that module by providing parameters
57       to the moose role:
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59        with 'WWW::Mechanize::TreeBuilder' => {
60          tree_class => 'HTML::TreeBuilder::XPath'
61        };
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63        # or
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65        # NOTE: No hashref using this method
66        WWW::Mechanize::TreeBuilder->meta->apply($mech,
67          tree_class => 'HTML::TreeBuilder::XPath';
68        );
69
70       and class will be automatically loaded for you. This class will be used
71       to construct the tree in the following manner:
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73        $tree = $tree_class->new_from_content($req->decoded_content)->elementify;
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75       You can also specify a "element_class" parameter which is the
76       (HTML::Element sub)class that methods are proxied from. This module
77       provides defaults for element_class when "tree_class" is
78       "HTML::TreeBuilder" or "HTML::TreeBuilder::XPath" - it will warn
79       otherwise.
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AUTHOR

82       Ash Berlin "<ash@cpan.org>"
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LICENSE

85       Same as Perl 5.8, or at your option any later version of Perl.
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89perl v5.36.0                      2022-07-22    WWW::Mechanize::TreeBuilder(3)
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