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#!perl -Tw
#Test that we can build and compare trees
use Test::More tests=>39;
use strict;
BEGIN {
use_ok( "HTML::Element", 1.53 );
}
FIRST_BLOCK: {
my $lol =
['html',
['head',
[ 'title', 'I like stuff!' ],
],
['body', {'lang', 'en-JP'},
'stuff',
['p', 'um, p < 4!', {'class' => 'par123'}],
['div', {foo => 'bar'}, ' 1 2 3 '], # at 0.1.2
['hr'],
]
];
my $t1 = HTML::Element->new_from_lol( $lol );
isa_ok( $t1, 'HTML::Element' );
### added to test ->is_empty() and ->look_up()
my $hr = $t1->find('hr') ;
isa_ok( $hr, 'HTML::Element' );
ok($hr->is_empty(), "testing is_empty method on <hr> tag") ;
my $lookuptag = $hr->look_up("_tag", "body") ;
is('<body lang="en-JP">', $lookuptag->starttag(), "verify hr->look_up found body tag") ;
my %attrs = $lookuptag->all_attr() ;
my @attrs1 = sort keys %attrs ;
my @attrs2 = sort $lookuptag->all_attr_names() ;
is_deeply( \@attrs1, \@attrs2, "is_deeply attrs") ;
# Test scalar context
my $count = $t1->content_list;
is( $count, 2, "Works in scalar" );
# Test list context
my @list = $t1->content_list;
is( scalar @list, 2, "Should get two items back" );
isa_ok( $list[0], 'HTML::Element' );
isa_ok( $list[1], 'HTML::Element' );
my $div = $t1->find_by_attribute('foo','bar');
isa_ok( $div, 'HTML::Element' );
### tests of various output formats
is( $div->as_text()," 1 2 3 ", "Dump element in text format");
is( $div->as_trimmed_text(),"1 2 3", "Dump element in trimmed text format");
is( $div->as_text_trimmed(),"1 2 3", "Dump element in trimmed text format");
is( $div->as_Lisp_form(), qq{("_tag" "div" "foo" "bar" "_content" (\n " 1 2 3 "))\n}, "Dump element as Lisp form");
is( $div->address, '0.1.2' );
is( $div, $t1->address('0.1.2'), 'using address to get the node' );
ok( $div->same_as($div) );
ok( $t1->same_as($t1) );
ok( not($div->same_as($t1)) );
my $t2 = HTML::Element->new_from_lol($lol);
isa_ok( $t2, 'HTML::Element' );
ok( $t2->same_as($t1) );
$t2->address('0.1.2')->attr('snap', 123);
ok( not($t2->same_as($t1)) );
my $body = $t1->find_by_tag_name('body');
isa_ok( $body, 'HTML::Element' );
is( $body->tag, 'body' );
my $cl = join '~', $body->content_list;
my @detached = $body->detach_content;
is( $cl, join '~', @detached );
$body->push_content(@detached);
is( $cl, join '~', $body->content_list );
$t2->delete;
$t1->delete;
} # FIRST_BLOCK
TEST2: { # for normalization
my $t1 = HTML::Element->new_from_lol(['p', 'stuff', ['hr'], 'thing']);
my @start = $t1->content_list;
is( scalar(@start), 3 );
my $lr = $t1->content;
# $lr is ['stuff', HTML::Element('hr'), 'thing']
is( $lr->[0], 'stuff' );
isa_ok( $lr->[1], 'HTML::Element' );
is( $lr->[2], 'thing' );
# insert some undefs
splice @$lr,1,0, undef; # insert an undef between [0] and [1]
push @$lr, undef; # append an undef to the end
unshift @$lr, undef; # prepend an undef to the front
# $lr is [undef, 'stuff', undef, H::E('hr'), 'thing', undef]
UNNORMALIZED: {
my $cl_count = $t1->content_list;
my @cl = $t1->content_list;
is( $cl_count, 6 );
is( scalar(@cl), $cl_count ); # also == 6
{ no warnings; # content_list contains undefs
isnt( join('~', @start), join('~', $t1->content_list) );
}
}
NORMALIZED: {
$t1->normalize_content;
my @cl = $t1->content_list;
eq_array( \@start, \@cl );
}
ok( not defined( $t1->attr('foo') ) );
$t1->attr('foo', 'bar');
is( $t1->attr('foo'), 'bar' );
ok( scalar( grep( 'bar', $t1->all_external_attr() ) ) );
$t1->attr('foo', '');
ok( scalar( grep( 'bar', $t1->all_external_attr() ) ) );
$t1->attr('foo', undef); # should delete it
ok( not grep( 'bar', $t1->all_external_attr() ) );
$t1->delete;
} # TEST2
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