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132 lines
3.0 KiB
Go
132 lines
3.0 KiB
Go
// Copyright (c) 2013 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package scorer
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import (
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"reflect"
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"testing"
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"github.com/blevesearch/bleve/v2/search"
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index "github.com/blevesearch/bleve_index_api"
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)
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func TestConstantScorer(t *testing.T) {
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scorer := NewConstantScorer(1, 1, search.SearcherOptions{Explain: true})
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tests := []struct {
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termMatch *index.TermFieldDoc
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result *search.DocumentMatch
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}{
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// test some simple math
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{
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termMatch: &index.TermFieldDoc{
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ID: index.IndexInternalID("one"),
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Freq: 1,
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Norm: 1.0,
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Vectors: []*index.TermFieldVector{
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{
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Field: "desc",
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Pos: 1,
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Start: 0,
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End: 4,
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},
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},
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},
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result: &search.DocumentMatch{
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IndexInternalID: index.IndexInternalID("one"),
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Score: 1.0,
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Expl: &search.Explanation{
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Value: 1.0,
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Message: "ConstantScore()",
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},
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Sort: []string{},
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},
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},
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}
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for _, test := range tests {
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ctx := &search.SearchContext{
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DocumentMatchPool: search.NewDocumentMatchPool(1, 0),
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}
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actual := scorer.Score(ctx, test.termMatch.ID)
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if !reflect.DeepEqual(actual, test.result) {
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t.Errorf("expected %#v got %#v for %#v", test.result, actual, test.termMatch)
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}
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}
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}
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func TestConstantScorerWithQueryNorm(t *testing.T) {
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scorer := NewConstantScorer(1, 1, search.SearcherOptions{Explain: true})
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scorer.SetQueryNorm(2.0)
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tests := []struct {
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termMatch *index.TermFieldDoc
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result *search.DocumentMatch
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}{
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{
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termMatch: &index.TermFieldDoc{
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ID: index.IndexInternalID("one"),
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Freq: 1,
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Norm: 1.0,
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},
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result: &search.DocumentMatch{
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IndexInternalID: index.IndexInternalID("one"),
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Score: 2.0,
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Sort: []string{},
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Expl: &search.Explanation{
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Value: 2.0,
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Message: "weight(^1.000000), product of:",
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Children: []*search.Explanation{
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{
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Value: 2.0,
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Message: "ConstantScore()^1.000000, product of:",
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Children: []*search.Explanation{
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{
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Value: 1,
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Message: "boost",
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},
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{
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Value: 2,
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Message: "queryNorm",
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},
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},
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},
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{
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Value: 1.0,
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Message: "ConstantScore()",
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},
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},
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},
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},
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},
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}
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for _, test := range tests {
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ctx := &search.SearchContext{
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DocumentMatchPool: search.NewDocumentMatchPool(1, 0),
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}
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actual := scorer.Score(ctx, test.termMatch.ID)
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if !reflect.DeepEqual(actual, test.result) {
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t.Errorf("expected %#v got %#v for %#v", test.result, actual, test.termMatch)
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}
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}
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}
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