Golang document.NewTextField函數代碼示例

func TestIndexInsertMultiple(t *testing.T) {
	defer os.RemoveAll("test")

	store, err := boltdb.Open("test", "bleve")
	analysisQueue := NewAnalysisQueue(1)
	idx := NewUpsideDownCouch(store, analysisQueue)
	err = idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}

	var expectedCount uint64

	doc := document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	doc = document.NewDocument("2")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	// should have 4 rows (1 for version, 1 for schema field, and 2 for single term, and 1 for the term count,  and 2 for the back index entries)
	expectedLength := uint64(1 + 1 + 2 + 1 + 2)
	rowCount := idx.rowCount()
	if rowCount != expectedLength {
		t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
	}

	// close and reopen and and one more to testing counting works correctly
	idx.Close()
	store, err = boltdb.Open("test", "bleve")
	idx = NewUpsideDownCouch(store, analysisQueue)
	err = idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}
	defer idx.Close()

	doc = document.NewDocument("3")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	docCount := idx.DocCount()
	if docCount != expectedCount {
		t.Errorf("expected doc count: %d, got %d", expectedCount, docCount)
	}
}

func TestIndexInsertThenUpdate(t *testing.T) {
	defer os.RemoveAll("test")

	store, err := boltdb.Open("test", "bleve")
	analysisQueue := NewAnalysisQueue(1)
	idx := NewUpsideDownCouch(store, analysisQueue)
	err = idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}
	defer idx.Close()

	doc := document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}

	// this update should overwrite one term, and introduce one new one
	doc = document.NewDocument("1")
	doc.AddField(document.NewTextFieldWithAnalyzer("name", []uint64{}, []byte("test fail"), testAnalyzer))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error deleting entry from index: %v", err)
	}

	// should have 2 row (1 for version, 1 for schema field, and 2 for the two term, and 2 for the term counts, and 1 for the back index entry)
	expectedLength := uint64(1 + 1 + 2 + 2 + 1)
	rowCount := idx.rowCount()
	if rowCount != expectedLength {
		t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
	}

	// now do another update that should remove one of term
	doc = document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("fail")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error deleting entry from index: %v", err)
	}

	// should have 2 row (1 for version, 1 for schema field, and 1 for the remaining term, and 1 for the term count, and 1 for the back index entry)
	expectedLength = uint64(1 + 1 + 1 + 1 + 1)
	rowCount = idx.rowCount()
	if rowCount != expectedLength {
		t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
	}
}

func TestIndexInsert(t *testing.T) {
	defer func() {
		err := DestroyTest()
		if err != nil {
			t.Fatal(err)
		}
	}()

	analysisQueue := index.NewAnalysisQueue(1)
	idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
	if err != nil {
		t.Fatal(err)
	}
	err = idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}
	defer func() {
		err := idx.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	var expectedCount uint64
	docCount, err := idx.DocCount()
	if err != nil {
		t.Error(err)
	}
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}

	doc := document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	docCount, err = idx.DocCount()
	if err != nil {
		t.Error(err)
	}
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}

	// should have 4 rows (1 for version, 1 for schema field, and 1 for single term, and 1 for the term count, and 1 for the back index entry)
	expectedLength := uint64(1 + 1 + 1 + 1 + 1)
	rowCount, err := idx.(*UpsideDownCouch).rowCount()
	if err != nil {
		t.Error(err)
	}
	if rowCount != expectedLength {
		t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
	}
}

func TestIndexInsert(t *testing.T) {
	defer func() {
		err := os.RemoveAll("test")
		if err != nil {
			t.Fatal(err)
		}
	}()

	analysisQueue := index.NewAnalysisQueue(1)
	idx, err := NewFirestorm(boltdb.Name, boltTestConfig, analysisQueue)
	if err != nil {
		t.Fatal(err)
	}
	err = idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}
	defer func() {
		err := idx.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	var expectedCount uint64
	docCount, err := idx.DocCount()
	if err != nil {
		t.Error(err)
	}
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}

	doc := document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	err = idx.(*Firestorm).lookuper.waitTasksDone(lookupWaitDuration)
	if err != nil {
		t.Fatal(err)
	}

	docCount, err = idx.DocCount()
	if err != nil {
		t.Error(err)
	}
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}
}

func decodeFieldType(typ byte, name string, value []byte) document.Field {
	switch typ {
	case 't':
		return document.NewTextField(name, []uint64{}, value)
	case 'n':
		return document.NewNumericFieldFromBytes(name, []uint64{}, value)
	case 'd':
		return document.NewDateTimeFieldFromBytes(name, []uint64{}, value)
	}
	return nil
}

func (r *firestormReader) decodeFieldType(name string, pos []uint64, value []byte) document.Field {
	switch value[0] {
	case 't':
		return document.NewTextField(name, pos, value[1:])
	case 'n':
		return document.NewNumericFieldFromBytes(name, pos, value[1:])
	case 'd':
		return document.NewDateTimeFieldFromBytes(name, pos, value[1:])
	}
	return nil
}

func CommonBenchmarkIndex(b *testing.B, s store.KVStore) {

	index := NewUpsideDownCouch(s)

	indexDocument := document.NewDocument("").
		AddField(document.NewTextField("body", []uint64{}, []byte("A boiling liquid expanding vapor explosion (BLEVE, /ˈblɛviː/ blev-ee) is an explosion caused by the rupture of a vessel containing a pressurized liquid above its boiling point.")))

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		indexDocument.ID = strconv.Itoa(i)
		err := index.Update(indexDocument)
		if err != nil {
			b.Fatal(err)
		}
	}

}

func TestIndexInsert(t *testing.T) {
	defer os.RemoveAll("test")

	store, err := boltdb.Open("test", "bleve")
	idx := NewUpsideDownCouch(store)
	err = idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}
	defer idx.Close()

	var expectedCount uint64
	docCount := idx.DocCount()
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}

	doc := document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	docCount = idx.DocCount()
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}

	// should have 4 rows (1 for version, 1 for schema field, and 1 for single term, and 1 for the term count,  and 1 for the back index entry)
	expectedLength := uint64(1 + 1 + 1 + 1 + 1)
	rowCount := idx.rowCount()
	if rowCount != expectedLength {
		t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
	}
}

func TestSimpleHighlighter(t *testing.T) {
	fragmenter := sfrag.NewFragmenter(100)
	formatter := ansi.NewFragmentFormatter(ansi.DefaultAnsiHighlight)
	highlighter := NewHighlighter(fragmenter, formatter, DefaultSeparator)

	docMatch := search.DocumentMatch{
		ID:    "a",
		Score: 1.0,
		Locations: search.FieldTermLocationMap{
			"desc": search.TermLocationMap{
				"quick": search.Locations{
					&search.Location{
						Pos:   2,
						Start: 4,
						End:   9,
					},
				},
				"fox": search.Locations{
					&search.Location{
						Pos:   4,
						Start: 16,
						End:   19,
					},
				},
			},
		},
	}

	expectedFragment := "the " + DefaultAnsiHighlight + "quick" + reset + " brown " + DefaultAnsiHighlight + "fox" + reset + " jumps over the lazy dog"
	doc := document.NewDocument("a").AddField(document.NewTextField("desc", []uint64{}, []byte("the quick brown fox jumps over the lazy dog")))

	fragment := highlighter.BestFragmentInField(&docMatch, doc, "desc")
	if fragment != expectedFragment {
		t.Errorf("expected `%s`, got `%s`", expectedFragment, fragment)
	}
}

func testDocIDSearcher(t *testing.T, indexed, searched, wanted []string) {
	analysisQueue := index.NewAnalysisQueue(1)
	i, err := upside_down.NewUpsideDownCouch(gtreap.Name, nil, analysisQueue)
	if err != nil {
		t.Fatal(err)
	}
	err = i.Open()
	if err != nil {
		t.Fatal(err)
	}
	for _, id := range indexed {
		err = i.Update(&document.Document{
			ID: id,
			Fields: []document.Field{
				document.NewTextField("desc", []uint64{}, []byte("beer")),
			},
		})
		if err != nil {
			t.Fatal(err)
		}
	}

	indexReader, err := i.Reader()
	if err != nil {
		t.Error(err)
	}
	defer func() {
		err := indexReader.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	searcher, err := NewDocIDSearcher(indexReader, searched, 1.0, false)
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err := searcher.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	if searcher.Count() != uint64(len(wanted)) {
		t.Fatalf("expected count %v got %v", len(wanted), searcher.Count())
	}

	// Check the sequence
	for i, id := range wanted {
		m, err := searcher.Next()
		if err != nil {
			t.Fatal(err)
		}
		if id != m.ID {
			t.Fatalf("expected %v at position %v, got %v", id, i, m.ID)
		}
	}
	m, err := searcher.Next()
	if err != nil {
		t.Fatal(err)
	}
	if m != nil {
		t.Fatalf("expected nil past the end of the sequence, got %v", m.ID)
	}

	// Check seeking
	for _, id := range wanted {
		if len(id) != 2 {
			t.Fatalf("expected identifier must be 2 characters long, got %v", id)
		}
		before := id[:1]
		for _, target := range []string{before, id} {
			m, err := searcher.Advance(target)
			if err != nil {
				t.Fatal(err)
			}
			if m == nil || m.ID != id {
				t.Fatalf("advancing to %v returned %v instead of %v", before, m, id)
			}
		}
	}
	// Seek after the end of the sequence
	after := "zzz"
	m, err = searcher.Advance(after)
	if err != nil {
		t.Fatal(err)
	}
	if m != nil {
		t.Fatalf("advancing past the end of the sequence should return nil, got %v", m)
	}
}

func TestSimpleHighlighterLonger(t *testing.T) {

	fieldBytes := []byte(`Lorem ipsum dolor sit amet, consectetur adipiscing elit. Mauris sed semper nulla, sed pellentesque urna. Suspendisse potenti. Aliquam dignissim pulvinar erat vel ullamcorper. Nullam sed diam at dolor dapibus varius. Vestibulum at semper nunc. Integer ullamcorper enim ut nisi condimentum lacinia. Nulla ipsum ipsum, dictum in dapibus non, bibendum eget neque. Vestibulum malesuada erat quis malesuada dictum. Mauris luctus viverra lorem, nec hendrerit lacus lacinia ut. Donec suscipit sit amet nisi et dictum. Maecenas ultrices mollis diam, vel commodo libero lobortis nec. Nunc non dignissim dolor. Nulla non tempus risus, eget porttitor lectus. Suspendisse vitae gravida magna, a sagittis urna. Curabitur nec dui volutpat, hendrerit nisi non, adipiscing erat. Maecenas aliquet sem sit amet nibh ultrices accumsan.

Mauris lobortis sem sed blandit bibendum. In scelerisque eros sed metus aliquet convallis ac eget metus. Donec eget feugiat sem. Quisque venenatis, augue et blandit vulputate, velit odio viverra dolor, eu iaculis eros urna ut nunc. Duis faucibus mattis enim ut ultricies. Donec scelerisque volutpat elit, vel varius ante porttitor vel. Duis neque nulla, ultrices vel est id, molestie semper odio. Maecenas condimentum felis vitae nibh venenatis, ut feugiat risus vehicula. Suspendisse non sapien neque. Etiam et lorem consequat lorem aliquam ullamcorper. Pellentesque id vestibulum neque, at aliquam turpis. Aenean ultrices nec erat sit amet aliquam. Morbi eu sem in augue cursus ullamcorper a sed dolor. Integer et lobortis nulla, sit amet laoreet elit. In elementum, nibh nec volutpat pretium, lectus est pulvinar arcu, vehicula lobortis tellus sem id mauris. Maecenas ac blandit purus, sit amet scelerisque magna.

In hac habitasse platea dictumst. In lacinia elit non risus venenatis viverra. Nulla vestibulum laoreet turpis ac accumsan. Vivamus eros felis, rhoncus vel interdum bibendum, imperdiet nec diam. Etiam sed eros sed orci pellentesque sagittis. Praesent a fermentum leo. Vivamus ipsum risus, faucibus a dignissim ut, ullamcorper nec risus. Etiam quis adipiscing velit. Nam ac cursus arcu. Sed bibendum lectus quis massa dapibus dapibus. Vestibulum fermentum eros vitae hendrerit condimentum.

Fusce viverra eleifend iaculis. Maecenas tempor dictum cursus. Mauris faucibus, tortor in bibendum ornare, nibh lorem sollicitudin est, sed consectetur nulla dui imperdiet urna. Fusce aliquet odio fermentum massa mollis, id feugiat lacus egestas. Integer et eleifend metus. Duis neque tellus, vulputate nec dui eu, euismod sodales orci. Vivamus turpis erat, consectetur et pulvinar nec, ornare a quam. Maecenas fermentum, ligula vitae consectetur lobortis, mi lacus fermentum ante, ut semper lacus lectus porta orci. Nulla vehicula sodales eros, in iaculis ante laoreet at. Sed venenatis interdum metus, egestas scelerisque orci laoreet ut. Donec fermentum enim eget nibh blandit laoreet. Proin lacinia adipiscing lorem vel ornare. Donec ullamcorper massa elementum urna varius viverra. Proin pharetra, erat at feugiat rhoncus, velit eros condimentum mi, ac mattis sapien dolor non elit. Aenean viverra purus id tincidunt vulputate.

Etiam vel augue vel nisl commodo suscipit et ac nisl. Quisque eros diam, porttitor et aliquet sed, vulputate in odio. Aenean feugiat est quis neque vehicula, eget vulputate nunc tempor. Donec quis nulla ut quam feugiat consectetur ut et justo. Nulla congue, metus auctor facilisis scelerisque, nunc risus vulputate urna, in blandit urna nibh et neque. Etiam quis tortor ut nulla dignissim dictum non sed ligula. Vivamus accumsan ligula eget ipsum ultrices, a tincidunt urna blandit. In hac habitasse platea dictumst.`)

	doc := document.NewDocument("a").AddField(document.NewTextField("full", []uint64{}, fieldBytes))
	docMatch := search.DocumentMatch{
		ID:    "a",
		Score: 1.0,
		Locations: search.FieldTermLocationMap{
			"full": search.TermLocationMap{
				"metus": search.Locations{
					&search.Location{
						Pos:   0,
						Start: 883,
						End:   888,
					},
					&search.Location{
						Pos:   0,
						Start: 915,
						End:   920,
					},
					&search.Location{
						Pos:   0,
						Start: 2492,
						End:   2497,
					},
					&search.Location{
						Pos:   0,
						Start: 2822,
						End:   2827,
					},
					&search.Location{
						Pos:   0,
						Start: 3417,
						End:   3422,
					},
				},
				"interdum": search.Locations{
					&search.Location{
						Pos:   0,
						Start: 1891,
						End:   1899,
					},
					&search.Location{
						Pos:   0,
						Start: 2813,
						End:   2821,
					},
				},
				"venenatis": search.Locations{
					&search.Location{
						Pos:   0,
						Start: 954,
						End:   963,
					},
					&search.Location{
						Pos:   0,
						Start: 1252,
						End:   1261,
					},
					&search.Location{
						Pos:   0,
						Start: 1795,
						End:   1804,
					},
					&search.Location{
						Pos:   0,
						Start: 2803,
						End:   2812,
					},
				},
			},
		},
	}

	expectedFragments := []string{
		"…eros, in iaculis ante laoreet at. Sed " + DefaultAnsiHighlight + "venenatis" + reset + " " + DefaultAnsiHighlight + "interdum" + reset + " " + DefaultAnsiHighlight + "metus" + reset + ", egestas scelerisque orci laoreet ut.…",
		"… eros sed " + DefaultAnsiHighlight + "metus" + reset + " aliquet convallis ac eget " + DefaultAnsiHighlight + "metus" + reset + ". Donec eget feugiat sem. Quisque " + DefaultAnsiHighlight + "venenatis" + reset + ", augue et…",
		"… odio. Maecenas condimentum felis vitae nibh " + DefaultAnsiHighlight + "venenatis" + reset + ", ut feugiat risus vehicula. Suspendisse non s…",
		"… id feugiat lacus egestas. Integer et eleifend " + DefaultAnsiHighlight + "metus" + reset + ". Duis neque tellus, vulputate nec dui eu, euism…",
		"… accumsan. Vivamus eros felis, rhoncus vel " + DefaultAnsiHighlight + "interdum" + reset + " bibendum, imperdiet nec diam. Etiam sed eros sed…",
	}

	fragmenter := sfrag.NewFragmenter(100)
	formatter := ansi.NewFragmentFormatter(ansi.DefaultAnsiHighlight)
	highlighter := NewHighlighter(fragmenter, formatter, DefaultSeparator)
	fragments := highlighter.BestFragmentsInField(&docMatch, doc, "full", 5)

	if !reflect.DeepEqual(fragments, expectedFragments) {
		t.Errorf("expected %#v, got %#v", expectedFragments, fragments)
	}

//.........這裏部分代碼省略.........

		}
	}
}

// create a simpler analyzer which will support these tests
var testAnalyzer = &analysis.Analyzer{
	Tokenizer: regexp_tokenizer.NewRegexpTokenizer(regexp.MustCompile(`\w+`)),
}

// sets up some mock data used in many tests in this package
var twoDocIndexDescIndexingOptions = document.DefaultTextIndexingOptions | document.IncludeTermVectors

var twoDocIndexDocs = []*document.Document{
	// must have 4/4 beer
	document.NewDocument("1").
		AddField(document.NewTextField("name", []uint64{}, []byte("marty"))).
		AddField(document.NewTextFieldCustom("desc", []uint64{}, []byte("beer beer beer beer"), twoDocIndexDescIndexingOptions, testAnalyzer)).
		AddField(document.NewTextFieldWithAnalyzer("street", []uint64{}, []byte("couchbase way"), testAnalyzer)),
	// must have 1/4 beer
	document.NewDocument("2").
		AddField(document.NewTextField("name", []uint64{}, []byte("steve"))).
		AddField(document.NewTextFieldCustom("desc", []uint64{}, []byte("angst beer couch database"), twoDocIndexDescIndexingOptions, testAnalyzer)).
		AddField(document.NewTextFieldWithAnalyzer("street", []uint64{}, []byte("couchbase way"), testAnalyzer)).
		AddField(document.NewTextFieldWithAnalyzer("title", []uint64{}, []byte("mister"), testAnalyzer)),
	// must have 1/4 beer
	document.NewDocument("3").
		AddField(document.NewTextField("name", []uint64{}, []byte("dustin"))).
		AddField(document.NewTextFieldCustom("desc", []uint64{}, []byte("apple beer column dank"), twoDocIndexDescIndexingOptions, testAnalyzer)).
		AddField(document.NewTextFieldWithAnalyzer("title", []uint64{}, []byte("mister"), testAnalyzer)),
	// must have 65/65 beer
	document.NewDocument("4").

func TestIndexInsertThenDelete(t *testing.T) {
	defer func() {
		err := DestroyTest()
		if err != nil {
			t.Fatal(err)
		}
	}()

	analysisQueue := index.NewAnalysisQueue(1)
	idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
	if err != nil {
		t.Fatal(err)
	}
	err = idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}
	defer func() {
		err := idx.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	var expectedCount uint64
	reader, err := idx.Reader()
	if err != nil {
		t.Fatal(err)
	}
	docCount, err := reader.DocCount()
	if err != nil {
		t.Error(err)
	}
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}
	err = reader.Close()
	if err != nil {
		t.Fatal(err)
	}

	doc := document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	doc2 := document.NewDocument("2")
	doc2.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc2)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	reader, err = idx.Reader()
	if err != nil {
		t.Fatal(err)
	}
	docCount, err = reader.DocCount()
	if err != nil {
		t.Error(err)
	}
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}
	err = reader.Close()
	if err != nil {
		t.Fatal(err)
	}

	err = idx.Delete("1")
	if err != nil {
		t.Errorf("Error deleting entry from index: %v", err)
	}
	expectedCount--

	reader, err = idx.Reader()
	if err != nil {
		t.Fatal(err)
	}
	docCount, err = reader.DocCount()
	if err != nil {
		t.Error(err)
	}
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}
	err = reader.Close()
	if err != nil {
		t.Fatal(err)
	}

	err = idx.Delete("2")
	if err != nil {
		t.Errorf("Error deleting entry from index: %v", err)
	}
	expectedCount--
//.........這裏部分代碼省略.........

func TestIndexBatch(t *testing.T) {
	defer func() {
		err := DestroyTest()
		if err != nil {
			t.Fatal(err)
		}
	}()

	analysisQueue := index.NewAnalysisQueue(1)
	idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
	if err != nil {
		t.Fatal(err)
	}
	err = idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}
	defer func() {
		err := idx.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	var expectedCount uint64

	// first create 2 docs the old fashioned way
	doc := document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	doc = document.NewDocument("2")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test2")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	// now create a batch which does 3 things
	// insert new doc
	// update existing doc
	// delete existing doc
	// net document count change 0

	batch := index.NewBatch()
	doc = document.NewDocument("3")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test3")))
	batch.Update(doc)
	doc = document.NewDocument("2")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test2updated")))
	batch.Update(doc)
	batch.Delete("1")

	err = idx.Batch(batch)
	if err != nil {
		t.Error(err)
	}

	indexReader, err := idx.Reader()
	if err != nil {
		t.Error(err)
	}
	defer func() {
		err := indexReader.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	docCount := indexReader.DocCount()
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}

	docIDReader, err := indexReader.DocIDReader("", "")
	if err != nil {
		t.Error(err)
	}
	docIds := make([]string, 0)
	docID, err := docIDReader.Next()
	for docID != "" && err == nil {
		docIds = append(docIds, docID)
		docID, err = docIDReader.Next()
	}
	if err != nil {
		t.Error(err)
	}
	expectedDocIds := []string{"2", "3"}
	if !reflect.DeepEqual(docIds, expectedDocIds) {
		t.Errorf("expected ids: %v, got ids: %v", expectedDocIds, docIds)
	}
}

func TestIndexFieldDict(t *testing.T) {
	defer func() {
		err := os.RemoveAll("test")
		if err != nil {
			t.Fatal(err)
		}
	}()

	s := boltdb.New("test", "bleve")
	s.SetMergeOperator(&mergeOperator)
	analysisQueue := NewAnalysisQueue(1)
	idx := NewUpsideDownCouch(s, analysisQueue)
	err := idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}
	defer func() {
		err := idx.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	var expectedCount uint64
	doc := document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	doc = document.NewDocument("2")
	doc.AddField(document.NewTextFieldWithAnalyzer("name", []uint64{}, []byte("test test test"), testAnalyzer))
	doc.AddField(document.NewTextFieldCustom("desc", []uint64{}, []byte("eat more rice"), document.IndexField|document.IncludeTermVectors, testAnalyzer))
	doc.AddField(document.NewTextFieldCustom("prefix", []uint64{}, []byte("bob cat cats catting dog doggy zoo"), document.IndexField|document.IncludeTermVectors, testAnalyzer))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	indexReader, err := idx.Reader()
	if err != nil {
		t.Error(err)
	}
	defer func() {
		err := indexReader.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	dict, err := indexReader.FieldDict("name")
	if err != nil {
		t.Errorf("error creating reader: %v", err)
	}
	defer func() {
		err := dict.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	termCount := 0
	curr, err := dict.Next()
	for err == nil && curr != nil {
		termCount++
		if curr.Term != "test" {
			t.Errorf("expected term to be 'test', got '%s'", curr.Term)
		}
		curr, err = dict.Next()
	}
	if termCount != 1 {
		t.Errorf("expected 1 term for this field, got %d", termCount)
	}

	dict2, err := indexReader.FieldDict("desc")
	if err != nil {
		t.Errorf("error creating reader: %v", err)
	}
	defer func() {
		err := dict2.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	termCount = 0
	terms := make([]string, 0)
	curr, err = dict2.Next()
	for err == nil && curr != nil {
		termCount++
		terms = append(terms, curr.Term)
		curr, err = dict2.Next()
	}
	if termCount != 3 {
		t.Errorf("expected 3 term for this field, got %d", termCount)
	}
	expectedTerms := []string{"eat", "more", "rice"}
//.........這裏部分代碼省略.........