112 lines
3.0 KiB
Go
112 lines
3.0 KiB
Go
// 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 upside_down
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import (
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"os"
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"reflect"
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"testing"
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_ "github.com/couchbaselabs/bleve/analysis/analyzers/standard_analyzer"
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"github.com/couchbaselabs/bleve/document"
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"github.com/couchbaselabs/bleve/index"
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)
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func TestIndexReader(t *testing.T) {
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defer os.RemoveAll("test")
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idx := NewUpsideDownCouch("test")
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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 idx.Close()
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var expectedCount uint64 = 0
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doc := document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []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 += 1
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doc = document.NewDocument("2")
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doc.AddField(document.NewTextField("name", []byte("test test test")))
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doc.AddField(document.NewTextFieldWithIndexingOptions("desc", []byte("eat more rice"), document.INDEX_FIELD|document.INCLUDE_TERM_VECTORS))
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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 += 1
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// first look for a term that doesnt exist
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reader, err := idx.TermFieldReader([]byte("nope"), "name")
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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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reader.Close()
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reader, err = idx.TermFieldReader([]byte("test"), "name")
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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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defer reader.Close()
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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()
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for err == nil && match != nil {
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match, err = reader.Next()
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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 += 1
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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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expectedMatch := &index.TermFieldDoc{
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ID: "2",
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Freq: 1,
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Norm: 0.5773502588272095,
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Vectors: []*index.TermFieldVector{
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&index.TermFieldVector{
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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 := idx.TermFieldReader([]byte("rice"), "desc")
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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()
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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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}
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