512 lines
12 KiB
Go
512 lines
12 KiB
Go
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 TestIndexReader(t *testing.T) {
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewScorch(Name, nil, analysisQueue)
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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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t.Errorf("error opening index: %v", err)
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}
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defer func() {
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err := idx.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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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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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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// first look for a term that doesn't exist
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reader, err := indexReader.TermFieldReader([]byte("nope"), "name", true, true, true)
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if err != nil {
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t.Errorf("Error accessing term field reader: %v", err)
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}
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count := reader.Count()
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if count != 0 {
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t.Errorf("Expected doc count to be: %d got: %d", 0, count)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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reader, err = indexReader.TermFieldReader([]byte("test"), "name", true, true, true)
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if err != nil {
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t.Errorf("Error accessing term field reader: %v", err)
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}
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expectedCount = 2
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count = reader.Count()
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if count != expectedCount {
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t.Errorf("Exptected doc count to be: %d got: %d", expectedCount, count)
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}
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var match *index.TermFieldDoc
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var actualCount uint64
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match, err = reader.Next(nil)
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for err == nil && match != nil {
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match, err = reader.Next(nil)
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if err != nil {
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t.Errorf("unexpected error reading next")
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}
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actualCount++
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}
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if actualCount != count {
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t.Errorf("count was 2, but only saw %d", actualCount)
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}
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internalID2, err := indexReader.InternalID("2")
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if err != nil {
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t.Fatal(err)
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}
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expectedMatch := &index.TermFieldDoc{
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ID: internalID2,
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Freq: 1,
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Norm: 0.5773502588272095,
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Vectors: []*index.TermFieldVector{
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{
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Field: "desc",
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Pos: 3,
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Start: 9,
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End: 13,
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},
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},
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}
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tfr, err := indexReader.TermFieldReader([]byte("rice"), "desc", true, true, true)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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match, err = tfr.Next(nil)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if !reflect.DeepEqual(expectedMatch, match) {
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t.Errorf("got %#v, expected %#v", match, expectedMatch)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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// now test usage of advance
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reader, err = indexReader.TermFieldReader([]byte("test"), "name", true, true, true)
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if err != nil {
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t.Errorf("Error accessing term field reader: %v", err)
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}
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match, err = reader.Advance(internalID2, nil)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if match == nil {
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t.Fatalf("Expected match, got nil")
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}
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if !match.ID.Equals(internalID2) {
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t.Errorf("Expected ID '2', got '%s'", match.ID)
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}
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// NOTE: no point in changing this to internal id 3, there is no id 3
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// the test is looking for something that doens't exist and this doesn't
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match, err = reader.Advance(index.IndexInternalID("3"), nil)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if match != nil {
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t.Errorf("expected nil, got %v", match)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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// now test creating a reader for a field that doesn't exist
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reader, err = indexReader.TermFieldReader([]byte("water"), "doesnotexist", true, true, true)
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if err != nil {
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t.Errorf("Error accessing term field reader: %v", err)
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}
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count = reader.Count()
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if count != 0 {
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t.Errorf("expected count 0 for reader of non-existent field")
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}
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match, err = reader.Next(nil)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if match != nil {
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t.Errorf("expected nil, got %v", match)
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}
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match, err = reader.Advance(index.IndexInternalID("anywhere"), nil)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if match != nil {
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t.Errorf("expected nil, got %v", match)
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}
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}
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func TestIndexDocIdReader(t *testing.T) {
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewScorch(Name, nil, analysisQueue)
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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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t.Errorf("error opening index: %v", err)
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}
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defer func() {
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err := idx.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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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.NewTextField("name", []uint64{}, []byte("test test test")))
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doc.AddField(document.NewTextFieldWithIndexingOptions("desc", []uint64{}, []byte("eat more rice"), document.IndexField|document.IncludeTermVectors))
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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.Error(err)
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}
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}()
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// first get all doc ids
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reader, err := indexReader.DocIDReaderAll()
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if err != nil {
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t.Errorf("Error accessing doc id reader: %v", err)
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}
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defer func() {
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err := reader.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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id, err := reader.Next()
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count := uint64(0)
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for id != nil {
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count++
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id, err = reader.Next()
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}
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if count != expectedCount {
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t.Errorf("expected %d, got %d", expectedCount, count)
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}
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// try it again, but jump to the second doc this time
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reader2, err := indexReader.DocIDReaderAll()
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if err != nil {
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t.Errorf("Error accessing doc id reader: %v", err)
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}
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defer func() {
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err := reader2.Close()
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if err != nil {
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t.Error(err)
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}
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}()
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internalID2, err := indexReader.InternalID("2")
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if err != nil {
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t.Fatal(err)
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}
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id, err = reader2.Advance(internalID2)
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if err != nil {
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t.Error(err)
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}
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if !id.Equals(internalID2) {
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t.Errorf("expected to find id '2', got '%s'", id)
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}
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// again 3 doesn't exist cannot use internal id for 3 as there is none
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// the important aspect is that this id doesn't exist, so its ok
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id, err = reader2.Advance(index.IndexInternalID("3"))
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if err != nil {
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t.Error(err)
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}
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if id != nil {
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t.Errorf("expected to find id '', got '%s'", id)
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}
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}
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func TestIndexDocIdOnlyReader(t *testing.T) {
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewScorch(Name, nil, analysisQueue)
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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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t.Errorf("error opening index: %v", err)
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}
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defer func() {
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err := idx.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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doc := document.NewDocument("1")
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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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doc = document.NewDocument("3")
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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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doc = document.NewDocument("5")
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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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doc = document.NewDocument("7")
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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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doc = document.NewDocument("9")
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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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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.Error(err)
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}
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}()
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onlyIds := []string{"1", "5", "9"}
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reader, err := indexReader.DocIDReaderOnly(onlyIds)
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if err != nil {
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t.Errorf("Error accessing doc id reader: %v", err)
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}
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defer func() {
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err := reader.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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id, err := reader.Next()
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count := uint64(0)
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for id != nil {
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count++
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id, err = reader.Next()
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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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if count != 3 {
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t.Errorf("expected 3, got %d", count)
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}
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// commented out because advance works with internal ids
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// this test presumes we see items in external doc id order
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// which is no longer the case, so simply converting external ids
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// to internal ones is not logically correct
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// not removing though because we need some way to test Advance()
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// // try it again, but jump
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// reader2, err := indexReader.DocIDReaderOnly(onlyIds)
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// if err != nil {
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// t.Errorf("Error accessing doc id reader: %v", err)
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// }
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// defer func() {
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// err := reader2.Close()
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// if err != nil {
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// t.Error(err)
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// }
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// }()
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//
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// id, err = reader2.Advance(index.IndexInternalID("5"))
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// if err != nil {
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// t.Error(err)
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// }
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// if !id.Equals(index.IndexInternalID("5")) {
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// t.Errorf("expected to find id '5', got '%s'", id)
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// }
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//
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// id, err = reader2.Advance(index.IndexInternalID("a"))
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// if err != nil {
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// t.Error(err)
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// }
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// if id != nil {
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// t.Errorf("expected to find id '', got '%s'", id)
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// }
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// some keys aren't actually there
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onlyIds = []string{"0", "2", "4", "5", "6", "8", "a"}
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reader3, err := indexReader.DocIDReaderOnly(onlyIds)
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if err != nil {
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t.Errorf("Error accessing doc id reader: %v", err)
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}
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defer func() {
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err := reader3.Close()
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if err != nil {
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t.Error(err)
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}
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}()
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id, err = reader3.Next()
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count = uint64(0)
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for id != nil {
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count++
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id, err = reader3.Next()
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}
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if count != 1 {
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t.Errorf("expected 1, got %d", count)
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}
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// commented out because advance works with internal ids
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// this test presumes we see items in external doc id order
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// which is no longer the case, so simply converting external ids
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// to internal ones is not logically correct
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// not removing though because we need some way to test Advance()
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// // mix advance and next
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// onlyIds = []string{"0", "1", "3", "5", "6", "9"}
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// reader4, err := indexReader.DocIDReaderOnly(onlyIds)
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// if err != nil {
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// t.Errorf("Error accessing doc id reader: %v", err)
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// }
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// defer func() {
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// err := reader4.Close()
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// if err != nil {
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// t.Error(err)
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// }
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// }()
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//
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// // first key is "1"
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// id, err = reader4.Next()
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// if err != nil {
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// t.Error(err)
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// }
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// if !id.Equals(index.IndexInternalID("1")) {
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// t.Errorf("expected to find id '1', got '%s'", id)
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// }
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//
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// // advancing to key we dont have gives next
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// id, err = reader4.Advance(index.IndexInternalID("2"))
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// if err != nil {
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// t.Error(err)
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// }
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// if !id.Equals(index.IndexInternalID("3")) {
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// t.Errorf("expected to find id '3', got '%s'", id)
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// }
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//
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// // next after advance works
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// id, err = reader4.Next()
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// if err != nil {
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// t.Error(err)
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// }
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// if !id.Equals(index.IndexInternalID("5")) {
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// t.Errorf("expected to find id '5', got '%s'", id)
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// }
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//
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// // advancing to key we do have works
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// id, err = reader4.Advance(index.IndexInternalID("9"))
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// if err != nil {
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// t.Error(err)
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// }
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// if !id.Equals(index.IndexInternalID("9")) {
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// t.Errorf("expected to find id '9', got '%s'", id)
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// }
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//
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// // advance backwards at end
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// id, err = reader4.Advance(index.IndexInternalID("4"))
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// if err != nil {
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// t.Error(err)
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// }
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// if !id.Equals(index.IndexInternalID("5")) {
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// t.Errorf("expected to find id '5', got '%s'", id)
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// }
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//
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// // next after advance works
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// id, err = reader4.Next()
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// if err != nil {
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// t.Error(err)
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// }
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// if !id.Equals(index.IndexInternalID("9")) {
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// t.Errorf("expected to find id '9', got '%s'", id)
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// }
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//
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// // advance backwards to key that exists, but not in only set
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// id, err = reader4.Advance(index.IndexInternalID("7"))
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// if err != nil {
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// t.Error(err)
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// }
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// if !id.Equals(index.IndexInternalID("9")) {
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// t.Errorf("expected to find id '9', got '%s'", id)
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// }
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}
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