2014-04-24 18:24:19 +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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package search
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import (
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"testing"
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"github.com/couchbaselabs/bleve/index"
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)
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func TestTermConjunctionSearch(t *testing.T) {
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tests := []struct {
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index index.Index
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query *TermConjunctionQuery
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results []*DocumentMatch
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}{
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{
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index: twoDocIndex,
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query: &TermConjunctionQuery{
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Terms: []Query{
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&TermQuery{
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Term: "beer",
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Field: "desc",
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BoostVal: 1.0,
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Explain: true,
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},
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&TermQuery{
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Term: "marty",
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Field: "name",
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BoostVal: 5.0,
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Explain: true,
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},
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},
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Explain: true,
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},
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results: []*DocumentMatch{
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&DocumentMatch{
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ID: "1",
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Score: 2.0097428702814377,
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},
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},
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},
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{
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index: twoDocIndex,
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query: &TermConjunctionQuery{
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Terms: []Query{
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&TermQuery{
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Term: "angst",
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Field: "desc",
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BoostVal: 1.0,
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Explain: true,
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},
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&TermQuery{
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Term: "beer",
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Field: "desc",
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BoostVal: 1.0,
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Explain: true,
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},
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},
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Explain: true,
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},
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results: []*DocumentMatch{
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&DocumentMatch{
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ID: "2",
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Score: 1.0807601687084403,
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},
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},
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},
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2014-04-24 18:35:50 +02:00
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{
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index: twoDocIndex,
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query: &TermConjunctionQuery{
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Terms: []Query{
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&TermQuery{
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Term: "beer",
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Field: "desc",
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BoostVal: 1.0,
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Explain: true,
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},
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&TermQuery{
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Term: "jack",
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Field: "name",
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BoostVal: 5.0,
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Explain: true,
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},
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},
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Explain: true,
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},
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results: []*DocumentMatch{},
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},
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2014-04-25 00:09:50 +02:00
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{
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index: twoDocIndex,
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query: &TermConjunctionQuery{
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Terms: []Query{
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&TermQuery{
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Term: "beer",
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Field: "desc",
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BoostVal: 1.0,
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Explain: true,
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},
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&TermQuery{
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Term: "mister",
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Field: "title",
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BoostVal: 5.0,
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Explain: true,
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},
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},
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Explain: true,
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},
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results: []*DocumentMatch{
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&DocumentMatch{
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ID: "2",
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Score: 1.2877980334016337,
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},
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&DocumentMatch{
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ID: "3",
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Score: 1.2877980334016337,
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},
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},
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},
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{
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index: twoDocIndex,
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query: &TermConjunctionQuery{
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Terms: []Query{
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&TermQuery{
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Term: "couchbase",
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Field: "street",
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BoostVal: 1.0,
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Explain: true,
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},
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&TermQuery{
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Term: "mister",
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Field: "title",
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BoostVal: 5.0,
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Explain: true,
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},
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},
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Explain: true,
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},
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results: []*DocumentMatch{
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&DocumentMatch{
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ID: "2",
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Score: 1.4436599157093672,
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},
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},
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},
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2014-04-25 00:22:12 +02:00
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{
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index: twoDocIndex,
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query: &TermConjunctionQuery{
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Terms: []Query{
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2014-04-25 17:01:27 +02:00
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&TermQuery{
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Term: "beer",
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Field: "desc",
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BoostVal: 5.0,
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Explain: true,
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2014-04-25 00:22:12 +02:00
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},
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&TermConjunctionQuery{
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Terms: []Query{
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&TermQuery{
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Term: "couchbase",
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Field: "street",
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BoostVal: 1.0,
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Explain: true,
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},
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&TermQuery{
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Term: "mister",
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Field: "title",
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BoostVal: 5.0,
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Explain: true,
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},
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},
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Explain: true,
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},
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},
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Explain: true,
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},
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results: []*DocumentMatch{
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&DocumentMatch{
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ID: "2",
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2014-04-25 17:01:27 +02:00
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Score: 1.754501824953384,
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2014-04-25 00:22:12 +02:00
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},
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},
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},
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2014-04-24 18:24:19 +02:00
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}
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for testIndex, test := range tests {
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searcher, err := NewTermConjunctionSearcher(test.index, test.query)
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defer searcher.Close()
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next, err := searcher.Next()
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i := 0
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for err == nil && next != nil {
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if i < len(test.results) {
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if next.ID != test.results[i].ID {
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t.Errorf("expected result %d to have id %s got %s for test %d", i, test.results[i].ID, next.ID, testIndex)
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}
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2014-06-26 17:43:13 +02:00
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if !scoresCloseEnough(next.Score, test.results[i].Score) {
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2014-04-24 18:24:19 +02:00
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t.Errorf("expected result %d to have score %v got %v for test %d", i, test.results[i].Score, next.Score, testIndex)
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t.Logf("scoring explanation: %s", next.Expl)
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}
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}
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next, err = searcher.Next()
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i++
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}
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if err != nil {
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t.Fatalf("error iterating searcher: %v for test %d", err, testIndex)
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}
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if len(test.results) != i {
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t.Errorf("expected %d results got %d for test %d", len(test.results), i, testIndex)
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}
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}
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}
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