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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
use strict;
use warnings;
use lib 'buildlib';
package MySchema;
use base qw( Lucy::Plan::Schema );
use Lucy::Analysis::RegexTokenizer;
sub new {
my $class = shift;
my $self = $class->SUPER::new(@_);
my $tokenizer = Lucy::Analysis::RegexTokenizer->new;
my $plain_type = Lucy::Plan::FullTextType->new(
analyzer => $tokenizer,
highlightable => 1,
);
my $dunked_type = Lucy::Plan::FullTextType->new(
analyzer => $tokenizer,
highlightable => 1,
boost => 0.1,
);
$self->spec_field( name => 'content', type => $plain_type );
$self->spec_field( name => 'alt', type => $dunked_type );
return $self;
}
package MyHighlighter;
use base qw( Lucy::Highlight::Highlighter );
sub encode {
my ( $self, $text ) = @_;
$text =~ s/blind/wise/;
return $text;
}
sub highlight {
my ( $self, $text ) = @_;
return "*$text*";
}
package main;
use Test::More tests => 6;
use Lucy::Test;
binmode( STDOUT, ":utf8" );
my $phi = "\x{03a6}";
my $encoded_phi = "Φ";
my $string = '1 2 3 4 5 ' x 20; # 200 characters
$string .= "$phi a b c d x y z h i j k ";
$string .= '6 7 8 9 0 ' x 20;
my $with_quotes = '"I see," said the blind man.';
my $folder = Lucy::Store::RAMFolder->new;
my $indexer = Lucy::Index::Indexer->new(
index => $folder,
schema => MySchema->new,
);
$indexer->add_doc( { content => $_ } ) for ( $string, $with_quotes );
$indexer->add_doc(
{ content => "x but not why or 2ee",
alt => $string . " and extra stuff so it scores lower",
}
);
$indexer->commit;
my $searcher = Lucy::Search::IndexSearcher->new( index => $folder );
my $q = qq|"x y z" AND $phi|;
my $hits = $searcher->hits( query => $q );
my $hl = Lucy::Highlight::Highlighter->new(
searcher => $searcher,
query => $q,
field => 'content',
);
my $hit = $hits->next;
my $excerpt = $hl->create_excerpt($hit);
like( $excerpt, qr#<strong>x y z</strong>#, "highlighter tagged the phrase" );
like(
$excerpt,
qr#<strong>$encoded_phi</strong>#i,
"highlighter tagged the single term"
);
$hl->set_pre_tag("\e[1m");
$hl->set_post_tag("\e[0m");
like(
$hl->create_excerpt($hit),
qr#\e\[1m$encoded_phi\e\[0m#i, "set_pre_tag and set_post_tag",
);
$q = $searcher->glean_query("foo");
my $compiler = $q->make_compiler( searcher => $searcher );
$hl = Lucy::Highlight::Highlighter->new(
searcher => $searcher,
query => $compiler,
field => 'content',
);
is( $$compiler, ${ $hl->get_query },
"Highlighter accepts Compiler as Query" );
is( $$compiler, ${ $hl->get_compiler },
"Highlighter uses supplied Compiler" );
$hl = MyHighlighter->new(
searcher => $searcher,
query => "blind",
field => 'content',
);
$hits = $searcher->hits( query => 'blind' );
$hit = $hits->next;
like( $hl->create_excerpt($hit),
qr/\*wise\*/, "override both Encode() and Highlight()" );
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