2017-12-01 21:42:50 +01:00
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// Copyright (c) 2017 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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2017-09-29 18:42:37 +02:00
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package scorch
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import (
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"reflect"
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"testing"
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"github.com/blevesearch/bleve/document"
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"github.com/blevesearch/bleve/index"
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)
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func TestIndexFieldDict(t *testing.T) {
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2017-12-07 00:33:47 +01:00
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defer func() {
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err := DestroyTest()
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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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2017-09-29 18:42:37 +02:00
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analysisQueue := index.NewAnalysisQueue(1)
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2017-12-07 00:33:47 +01:00
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idx, err := NewScorch(Name, testConfig, analysisQueue)
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2017-09-29 18:42:37 +02:00
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Open()
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if err != nil {
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2017-12-07 00:33:47 +01:00
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t.Fatalf("error opening index: %v", err)
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2017-09-29 18:42:37 +02:00
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}
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defer func() {
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2017-12-07 00:33:47 +01:00
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cerr := idx.Close()
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if cerr != nil {
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t.Fatal(cerr)
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2017-09-29 18:42:37 +02:00
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}
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}()
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var expectedCount uint64
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doc := document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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doc = document.NewDocument("2")
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doc.AddField(document.NewTextFieldWithAnalyzer("name", []uint64{}, []byte("test test test"), testAnalyzer))
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doc.AddField(document.NewTextFieldCustom("desc", []uint64{}, []byte("eat more rice"), document.IndexField|document.IncludeTermVectors, testAnalyzer))
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doc.AddField(document.NewTextFieldCustom("prefix", []uint64{}, []byte("bob cat cats catting dog doggy zoo"), document.IndexField|document.IncludeTermVectors, testAnalyzer))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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indexReader, err := idx.Reader()
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if err != nil {
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t.Error(err)
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}
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defer func() {
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err := indexReader.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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dict, err := indexReader.FieldDict("name")
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if err != nil {
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t.Errorf("error creating reader: %v", err)
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}
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defer func() {
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err := dict.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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termCount := 0
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curr, err := dict.Next()
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for err == nil && curr != nil {
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termCount++
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if curr.Term != "test" {
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t.Errorf("expected term to be 'test', got '%s'", curr.Term)
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}
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curr, err = dict.Next()
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}
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if termCount != 1 {
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t.Errorf("expected 1 term for this field, got %d", termCount)
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}
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dict2, err := indexReader.FieldDict("desc")
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if err != nil {
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2017-12-07 00:33:47 +01:00
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t.Fatalf("error creating reader: %v", err)
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2017-09-29 18:42:37 +02:00
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}
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defer func() {
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err := dict2.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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termCount = 0
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terms := make([]string, 0)
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curr, err = dict2.Next()
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for err == nil && curr != nil {
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termCount++
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terms = append(terms, curr.Term)
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curr, err = dict2.Next()
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}
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if termCount != 3 {
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t.Errorf("expected 3 term for this field, got %d", termCount)
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}
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expectedTerms := []string{"eat", "more", "rice"}
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if !reflect.DeepEqual(expectedTerms, terms) {
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t.Errorf("expected %#v, got %#v", expectedTerms, terms)
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}
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// test start and end range
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dict3, err := indexReader.FieldDictRange("desc", []byte("fun"), []byte("nice"))
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if err != nil {
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t.Errorf("error creating reader: %v", err)
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}
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defer func() {
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err := dict3.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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termCount = 0
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terms = make([]string, 0)
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curr, err = dict3.Next()
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for err == nil && curr != nil {
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termCount++
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terms = append(terms, curr.Term)
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curr, err = dict3.Next()
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}
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if termCount != 1 {
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t.Errorf("expected 1 term for this field, got %d", termCount)
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}
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expectedTerms = []string{"more"}
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if !reflect.DeepEqual(expectedTerms, terms) {
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t.Errorf("expected %#v, got %#v", expectedTerms, terms)
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}
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// test use case for prefix
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dict4, err := indexReader.FieldDictPrefix("prefix", []byte("cat"))
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if err != nil {
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t.Errorf("error creating reader: %v", err)
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}
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defer func() {
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err := dict4.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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termCount = 0
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terms = make([]string, 0)
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curr, err = dict4.Next()
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for err == nil && curr != nil {
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termCount++
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terms = append(terms, curr.Term)
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curr, err = dict4.Next()
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}
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if termCount != 3 {
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t.Errorf("expected 3 term for this field, got %d", termCount)
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}
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expectedTerms = []string{"cat", "cats", "catting"}
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if !reflect.DeepEqual(expectedTerms, terms) {
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t.Errorf("expected %#v, got %#v", expectedTerms, terms)
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}
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}
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