| # 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 NoMergeManager; |
| use base qw( Lucy::Index::IndexManager ); |
| sub recycle { [] } |
| |
| package main; |
| use Test::More tests => 15; |
| use Lucy::Test; |
| |
| my $folder = Lucy::Store::RAMFolder->new; |
| my $schema = Lucy::Test::TestSchema->new; |
| |
| for my $letter (qw( a b c )) { |
| my $indexer = Lucy::Index::Indexer->new( |
| index => $folder, |
| schema => $schema, |
| manager => NoMergeManager->new, |
| ); |
| $indexer->add_doc( { content => $letter } ); |
| $indexer->commit; |
| } |
| my $bg_merger = Lucy::Index::BackgroundMerger->new( index => $folder ); |
| |
| my $indexer = Lucy::Index::Indexer->new( index => $folder ); |
| $indexer->add_doc( { content => 'd' } ); |
| $indexer->commit; |
| |
| is( count_segs($folder), 4, |
| "BackgroundMerger prevents Indexer from merging claimed segments" ); |
| |
| $indexer = Lucy::Index::Indexer->new( index => $folder ); |
| $indexer->add_doc( { content => 'e' } ); |
| $indexer->delete_by_term( field => 'content', term => 'b' ); |
| $indexer->commit; |
| is( count_segs($folder), 4, "Indexer may still merge unclaimed segments" ); |
| |
| $bg_merger->commit; |
| is( count_segs($folder), 3, "Background merge completes" ); |
| ok( $folder->exists("seg_7/deletions-seg_4.bv"), |
| "deletions carried forward" ); |
| |
| my $searcher = Lucy::Search::IndexSearcher->new( index => $folder ); |
| is( $searcher->hits( query => 'b' )->total_hits, |
| 0, "deleted term still deleted" ); |
| is( $searcher->hits( query => $_ )->total_hits, 1, "term $_ still present" ) |
| for qw( a c d e ); |
| |
| # Simulate failed background merge. |
| $bg_merger = Lucy::Index::BackgroundMerger->new( index => $folder ); |
| $bg_merger->prepare_commit; |
| undef $bg_merger; |
| $folder->delete("merge.lock"); |
| die "test set up failed" unless $folder->exists("merge.json"); |
| |
| $indexer = Lucy::Index::Indexer->new( index => $folder ); |
| $indexer->optimize; |
| $indexer->commit; |
| |
| ok( !$folder->exists("merge.json"), "Cleaned up after failed bg merge" ); |
| |
| $searcher = Lucy::Search::IndexSearcher->new( index => $folder ); |
| is( $searcher->hits( query => 'b' )->total_hits, |
| 0, "deleted term still deleted after full optimize" ); |
| is( $searcher->hits( query => $_ )->total_hits, |
| 1, "term $_ still present after full optimize" ) |
| for qw( a c d e ); |
| |
| sub count_segs { |
| my $folder = shift; |
| return scalar grep {m/segmeta\.json/} @{ $folder->list_r }; |
| } |