4822cff63a
This perf-related change helps the code and API reach more similarity with the Next() methods, which now take a pre-allocate param.
132 lines
3.2 KiB
Go
132 lines
3.2 KiB
Go
// Copyright (c) 2015 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 searchers
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import (
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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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"github.com/blevesearch/bleve/index/store/gtreap"
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"github.com/blevesearch/bleve/index/upside_down"
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)
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func testDocIDSearcher(t *testing.T, indexed, searched, wanted []string) {
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analysisQueue := index.NewAnalysisQueue(1)
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i, err := upside_down.NewUpsideDownCouch(gtreap.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 = i.Open()
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if err != nil {
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t.Fatal(err)
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}
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for _, id := range indexed {
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err = i.Update(&document.Document{
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ID: id,
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Fields: []document.Field{
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document.NewTextField("desc", []uint64{}, []byte("beer")),
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},
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})
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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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indexReader, err := i.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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searcher, err := NewDocIDSearcher(indexReader, searched, 1.0, false)
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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err := searcher.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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if searcher.Count() != uint64(len(wanted)) {
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t.Fatalf("expected count %v got %v", len(wanted), searcher.Count())
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}
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// Check the sequence
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for i, id := range wanted {
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m, err := searcher.Next(nil)
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if err != nil {
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t.Fatal(err)
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}
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if id != m.ID {
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t.Fatalf("expected %v at position %v, got %v", id, i, m.ID)
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}
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}
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m, err := searcher.Next(nil)
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if err != nil {
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t.Fatal(err)
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}
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if m != nil {
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t.Fatalf("expected nil past the end of the sequence, got %v", m.ID)
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}
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// Check seeking
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for _, id := range wanted {
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if len(id) != 2 {
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t.Fatalf("expected identifier must be 2 characters long, got %v", id)
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}
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before := id[:1]
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for _, target := range []string{before, id} {
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m, err := searcher.Advance(target, nil)
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if err != nil {
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t.Fatal(err)
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}
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if m == nil || m.ID != id {
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t.Fatalf("advancing to %v returned %v instead of %v", before, m, id)
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}
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}
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}
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// Seek after the end of the sequence
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after := "zzz"
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m, err = searcher.Advance(after, nil)
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if err != nil {
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t.Fatal(err)
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}
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if m != nil {
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t.Fatalf("advancing past the end of the sequence should return nil, got %v", m)
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}
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}
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func TestDocIDSearcherEmptySearchEmptyIndex(t *testing.T) {
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testDocIDSearcher(t, nil, nil, nil)
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}
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func TestDocIDSearcherEmptyIndex(t *testing.T) {
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testDocIDSearcher(t, nil, []string{"aa", "bb"}, nil)
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}
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func TestDocIDSearcherEmptySearch(t *testing.T) {
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testDocIDSearcher(t, []string{"aa", "bb"}, nil, nil)
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}
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func TestDocIDSearcherValid(t *testing.T) {
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// Test missing, out of order and duplicate inputs
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testDocIDSearcher(t, []string{"aa", "bb", "cc"},
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[]string{"ee", "bb", "aa", "bb"},
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[]string{"aa", "bb"})
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}
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