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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';
use Lucy::Test;
use strict;
use warnings;
package MyArchitecture;
use base qw( Lucy::Plan::Architecture );
sub index_interval { confess("should be displaced via local() below") }
package MySchema;
use base qw( Lucy::Plan::Schema );
sub new {
my $self = shift->SUPER::new(@_);
my $type = Lucy::Plan::StringType->new( sortable => 1 );
$self->spec_field( name => 'content', type => $type );
return $self;
}
sub architecture { MyArchitecture->new }
package main;
use Test::More tests => 35;
use File::Spec::Functions qw( catfile );
my @docs = ( ( ("a") x 100 ), 'j', "Foo" );
my @chars = ( 'a' .. 'z' );
for ( 0 .. 100 ) {
my $content = '';
for my $num_chars ( 1 .. int( rand(10) + 1 ) ) {
$content .= @chars[ rand(@chars) ];
}
push @docs, "$content";
}
# Accumulate unique sorted terms.
my @correct = ();
for ( sort @docs ) {
next if ( @correct and $_ eq $correct[-1] );
push @correct, $_;
}
# Remember where 'j' exists in our 'correct' list.
my $correct_term_num = 0;
for (@correct) {
last if $correct[$correct_term_num] eq 'j';
$correct_term_num++;
}
for my $index_interval ( 1, 2, 3, 4, 7, 128, 1024 ) {
no warnings 'redefine';
local *MyArchitecture::index_interval = sub {$index_interval};
my $folder = Lucy::Store::RAMFolder->new;
my $schema = MySchema->new;
my @docs_copy = @docs;
while (@docs_copy) {
my $indexer = Lucy::Index::Indexer->new(
index => $folder,
schema => $schema,
);
my $docs_this_seg = int( rand(@docs_copy) );
$docs_this_seg = 10 if $docs_this_seg < 10;
for ( 0 .. 10 ) {
last unless @docs_copy;
my $tick = int( rand(@docs_copy) );
$indexer->add_doc(
{ content => splice( @docs_copy, $tick, 1 ) } );
}
$indexer->commit;
}
my $reader = Lucy::Index::IndexReader->open( index => $folder, );
my $lexicon = $reader->obtain("Lucy::Index::LexiconReader")
->lexicon( field => 'content' );
isa_ok( $lexicon, "Lucy::Index::PolyLexicon" );
$lexicon->next;
is( $lexicon->get_term, $correct[0],
"calling lexicon() without term returns Lexicon with iterator reset"
);
$lexicon->reset;
my @got;
while ( $lexicon->next ) {
push @got, $lexicon->get_term;
}
is_deeply( \@got, \@correct,
"correct order for random strings (interval: $index_interval)" );
$lexicon->seek('j');
is( $lexicon->get_term, 'j', "seek (interval: $index_interval)" );
$lexicon->seek(undef);
ok( !defined $lexicon->get_term, "seek to undef resets" );
}
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