2014-04-25 18:45:23 +02:00
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// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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2014-09-02 16:54:50 +02:00
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2014-09-01 17:15:38 +02:00
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package searchers
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2014-04-25 18:45:23 +02:00
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import (
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"testing"
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2014-09-01 17:15:38 +02:00
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"github.com/blevesearch/bleve/search"
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2014-04-25 18:45:23 +02:00
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)
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2014-08-07 02:03:41 +02:00
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func TestBooleanSearch(t *testing.T) {
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2014-04-25 18:45:23 +02:00
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2015-09-23 20:25:47 +02:00
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if twoDocIndex == nil {
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t.Fatal("its null")
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}
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2014-10-31 14:40:23 +01:00
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twoDocIndexReader, err := twoDocIndex.Reader()
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if err != nil {
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t.Error(err)
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}
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2015-04-08 00:05:41 +02:00
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defer func() {
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err := twoDocIndexReader.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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2014-09-12 23:21:35 +02:00
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2014-07-30 18:30:38 +02:00
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// test 0
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2014-09-12 23:21:35 +02:00
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beerTermSearcher, err := NewTermSearcher(twoDocIndexReader, "beer", "desc", 1.0, true)
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustSearcher, err := NewConjunctionSearcher(twoDocIndexReader, []search.Searcher{beerTermSearcher}, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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martyTermSearcher, err := NewTermSearcher(twoDocIndexReader, "marty", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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dustinTermSearcher, err := NewTermSearcher(twoDocIndexReader, "dustin", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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shouldSearcher, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{martyTermSearcher, dustinTermSearcher}, 0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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steveTermSearcher, err := NewTermSearcher(twoDocIndexReader, "steve", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustNotSearcher, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{steveTermSearcher}, 0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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booleanSearcher, err := NewBooleanSearcher(twoDocIndexReader, mustSearcher, shouldSearcher, mustNotSearcher, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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// test 1
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2014-09-12 23:21:35 +02:00
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martyTermSearcher2, err := NewTermSearcher(twoDocIndexReader, "marty", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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dustinTermSearcher2, err := NewTermSearcher(twoDocIndexReader, "dustin", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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shouldSearcher2, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{martyTermSearcher2, dustinTermSearcher2}, 0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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steveTermSearcher2, err := NewTermSearcher(twoDocIndexReader, "steve", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustNotSearcher2, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{steveTermSearcher2}, 0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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booleanSearcher2, err := NewBooleanSearcher(twoDocIndexReader, nil, shouldSearcher2, mustNotSearcher2, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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// test 2
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steveTermSearcher3, err := NewTermSearcher(twoDocIndexReader, "steve", "name", 1.0, true)
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustNotSearcher3, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{steveTermSearcher3}, 0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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booleanSearcher3, err := NewBooleanSearcher(twoDocIndexReader, nil, nil, mustNotSearcher3, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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// test 3
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2014-09-12 23:21:35 +02:00
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beerTermSearcher4, err := NewTermSearcher(twoDocIndexReader, "beer", "desc", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustSearcher4, err := NewConjunctionSearcher(twoDocIndexReader, []search.Searcher{beerTermSearcher4}, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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steveTermSearcher4, err := NewTermSearcher(twoDocIndexReader, "steve", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustNotSearcher4, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{steveTermSearcher4}, 0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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booleanSearcher4, err := NewBooleanSearcher(twoDocIndexReader, mustSearcher4, nil, mustNotSearcher4, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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// test 4
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2014-09-12 23:21:35 +02:00
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beerTermSearcher5, err := NewTermSearcher(twoDocIndexReader, "beer", "desc", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustSearcher5, err := NewConjunctionSearcher(twoDocIndexReader, []search.Searcher{beerTermSearcher5}, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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steveTermSearcher5, err := NewTermSearcher(twoDocIndexReader, "steve", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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martyTermSearcher5, err := NewTermSearcher(twoDocIndexReader, "marty", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustNotSearcher5, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{steveTermSearcher5, martyTermSearcher5}, 0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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booleanSearcher5, err := NewBooleanSearcher(twoDocIndexReader, mustSearcher5, nil, mustNotSearcher5, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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// test 5
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beerTermSearcher6, err := NewTermSearcher(twoDocIndexReader, "beer", "desc", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustSearcher6, err := NewConjunctionSearcher(twoDocIndexReader, []search.Searcher{beerTermSearcher6}, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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martyTermSearcher6, err := NewTermSearcher(twoDocIndexReader, "marty", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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dustinTermSearcher6, err := NewTermSearcher(twoDocIndexReader, "dustin", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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shouldSearcher6, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{martyTermSearcher6, dustinTermSearcher6}, 2, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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booleanSearcher6, err := NewBooleanSearcher(twoDocIndexReader, mustSearcher6, shouldSearcher6, nil, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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// test 6
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2014-09-12 23:21:35 +02:00
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beerTermSearcher7, err := NewTermSearcher(twoDocIndexReader, "beer", "desc", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustSearcher7, err := NewConjunctionSearcher(twoDocIndexReader, []search.Searcher{beerTermSearcher7}, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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booleanSearcher7, err := NewBooleanSearcher(twoDocIndexReader, mustSearcher7, nil, nil, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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martyTermSearcher7, err := NewTermSearcher(twoDocIndexReader, "marty", "name", 5.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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conjunctionSearcher7, err := NewConjunctionSearcher(twoDocIndexReader, []search.Searcher{martyTermSearcher7, booleanSearcher7}, true)
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2014-07-30 18:30:38 +02:00
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// test 7
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2014-09-12 23:21:35 +02:00
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beerTermSearcher8, err := NewTermSearcher(twoDocIndexReader, "beer", "desc", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustSearcher8, err := NewConjunctionSearcher(twoDocIndexReader, []search.Searcher{beerTermSearcher8}, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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martyTermSearcher8, err := NewTermSearcher(twoDocIndexReader, "marty", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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dustinTermSearcher8, err := NewTermSearcher(twoDocIndexReader, "dustin", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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shouldSearcher8, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{martyTermSearcher8, dustinTermSearcher8}, 0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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steveTermSearcher8, err := NewTermSearcher(twoDocIndexReader, "steve", "name", 1.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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mustNotSearcher8, err := NewDisjunctionSearcher(twoDocIndexReader, []search.Searcher{steveTermSearcher8}, 0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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booleanSearcher8, err := NewBooleanSearcher(twoDocIndexReader, mustSearcher8, shouldSearcher8, mustNotSearcher8, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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dustinTermSearcher8a, err := NewTermSearcher(twoDocIndexReader, "dustin", "name", 5.0, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-09-12 23:21:35 +02:00
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conjunctionSearcher8, err := NewConjunctionSearcher(twoDocIndexReader, []search.Searcher{booleanSearcher8, dustinTermSearcher8a}, true)
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2014-07-30 18:30:38 +02:00
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if err != nil {
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t.Fatal(err)
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}
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2014-04-25 18:45:23 +02:00
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tests := []struct {
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2014-09-01 17:15:38 +02:00
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searcher search.Searcher
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results []*search.DocumentMatch
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2014-04-25 18:45:23 +02:00
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}{
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{
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2014-07-30 18:30:38 +02:00
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searcher: booleanSearcher,
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2014-09-01 17:15:38 +02:00
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results: []*search.DocumentMatch{
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2016-04-03 03:54:33 +02:00
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{
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2014-04-25 18:45:23 +02:00
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ID: "1",
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2014-08-07 01:36:23 +02:00
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Score: 0.9818005051949021,
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2014-04-25 18:45:23 +02:00
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},
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2016-04-03 03:54:33 +02:00
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{
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2014-04-25 18:45:23 +02:00
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ID: "3",
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2014-07-11 20:49:59 +02:00
|
|
|
Score: 0.808709699395535,
|
2014-04-25 18:45:23 +02:00
|
|
|
},
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 18:45:23 +02:00
|
|
|
ID: "4",
|
|
|
|
Score: 0.34618161159873423,
|
|
|
|
},
|
|
|
|
},
|
|
|
|
},
|
2014-04-25 19:24:10 +02:00
|
|
|
{
|
2014-07-30 18:30:38 +02:00
|
|
|
searcher: booleanSearcher2,
|
2014-09-01 17:15:38 +02:00
|
|
|
results: []*search.DocumentMatch{
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 19:24:10 +02:00
|
|
|
ID: "1",
|
|
|
|
Score: 0.6775110856165737,
|
|
|
|
},
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 19:24:10 +02:00
|
|
|
ID: "3",
|
|
|
|
Score: 0.6775110856165737,
|
|
|
|
},
|
|
|
|
},
|
|
|
|
},
|
|
|
|
// no MUST or SHOULD clauses yields no results
|
|
|
|
{
|
2014-07-30 18:30:38 +02:00
|
|
|
searcher: booleanSearcher3,
|
2014-09-01 17:15:38 +02:00
|
|
|
results: []*search.DocumentMatch{},
|
2014-04-25 19:24:10 +02:00
|
|
|
},
|
2014-04-25 19:59:06 +02:00
|
|
|
{
|
2014-07-30 18:30:38 +02:00
|
|
|
searcher: booleanSearcher4,
|
2014-09-01 17:15:38 +02:00
|
|
|
results: []*search.DocumentMatch{
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 19:59:06 +02:00
|
|
|
ID: "1",
|
|
|
|
Score: 1.0,
|
|
|
|
},
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 19:59:06 +02:00
|
|
|
ID: "3",
|
|
|
|
Score: 0.5,
|
|
|
|
},
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 19:59:06 +02:00
|
|
|
ID: "4",
|
|
|
|
Score: 1.0,
|
|
|
|
},
|
|
|
|
},
|
|
|
|
},
|
|
|
|
{
|
2014-07-30 18:30:38 +02:00
|
|
|
searcher: booleanSearcher5,
|
2014-09-01 17:15:38 +02:00
|
|
|
results: []*search.DocumentMatch{
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 19:59:06 +02:00
|
|
|
ID: "3",
|
|
|
|
Score: 0.5,
|
|
|
|
},
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 19:59:06 +02:00
|
|
|
ID: "4",
|
|
|
|
Score: 1.0,
|
|
|
|
},
|
|
|
|
},
|
|
|
|
},
|
|
|
|
{
|
2014-07-30 18:30:38 +02:00
|
|
|
searcher: booleanSearcher6,
|
2014-09-01 17:15:38 +02:00
|
|
|
results: []*search.DocumentMatch{},
|
2014-04-25 19:59:06 +02:00
|
|
|
},
|
2014-04-25 20:47:15 +02:00
|
|
|
// test a conjunction query with a nested boolean
|
|
|
|
{
|
2014-07-30 18:30:38 +02:00
|
|
|
searcher: conjunctionSearcher7,
|
2014-09-01 17:15:38 +02:00
|
|
|
results: []*search.DocumentMatch{
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 20:47:15 +02:00
|
|
|
ID: "1",
|
2014-08-07 01:36:23 +02:00
|
|
|
Score: 2.0097428702814377,
|
2014-04-25 20:47:15 +02:00
|
|
|
},
|
|
|
|
},
|
|
|
|
},
|
2014-04-25 21:04:09 +02:00
|
|
|
{
|
2014-07-30 18:30:38 +02:00
|
|
|
searcher: conjunctionSearcher8,
|
2014-09-01 17:15:38 +02:00
|
|
|
results: []*search.DocumentMatch{
|
2016-04-03 03:54:33 +02:00
|
|
|
{
|
2014-04-25 21:09:14 +02:00
|
|
|
ID: "3",
|
2014-07-11 20:49:59 +02:00
|
|
|
Score: 2.0681575785068107,
|
2014-04-25 21:04:09 +02:00
|
|
|
},
|
|
|
|
},
|
|
|
|
},
|
2014-04-25 18:45:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
for testIndex, test := range tests {
|
2015-04-08 00:05:41 +02:00
|
|
|
defer func() {
|
|
|
|
err := test.searcher.Close()
|
|
|
|
if err != nil {
|
|
|
|
t.Fatal(err)
|
|
|
|
}
|
|
|
|
}()
|
2014-04-25 18:45:23 +02:00
|
|
|
|
2014-07-30 18:30:38 +02:00
|
|
|
next, err := test.searcher.Next()
|
2014-04-25 18:45:23 +02:00
|
|
|
i := 0
|
|
|
|
for err == nil && next != nil {
|
|
|
|
if i < len(test.results) {
|
|
|
|
if next.ID != test.results[i].ID {
|
|
|
|
t.Errorf("expected result %d to have id %s got %s for test %d", i, test.results[i].ID, next.ID, testIndex)
|
|
|
|
}
|
2014-06-26 17:43:13 +02:00
|
|
|
if !scoresCloseEnough(next.Score, test.results[i].Score) {
|
2014-04-25 18:45:23 +02:00
|
|
|
t.Errorf("expected result %d to have score %v got %v for test %d", i, test.results[i].Score, next.Score, testIndex)
|
|
|
|
t.Logf("scoring explanation: %s", next.Expl)
|
|
|
|
}
|
|
|
|
}
|
2014-07-30 18:30:38 +02:00
|
|
|
next, err = test.searcher.Next()
|
2014-04-25 18:45:23 +02:00
|
|
|
i++
|
|
|
|
}
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("error iterating searcher: %v for test %d", err, testIndex)
|
|
|
|
}
|
|
|
|
if len(test.results) != i {
|
|
|
|
t.Errorf("expected %d results got %d for test %d", len(test.results), i, testIndex)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|