Ejemplo n.º 1
0
func TestKeywordSearch(t *testing.T) {
	d, err := store.OpenFSDirectory("testdata/belfrysample")
	if err != nil {
		t.Error(err)
	}
	r, err := index.OpenDirectoryReader(d)
	if err != nil {
		t.Error(err)
	}
	if r == nil {
		t.Error("DirectoryReader cannot be opened.")
	}
	if len(r.Leaves()) < 1 {
		t.Error("Should have one leaf.")
	}
	ss := NewIndexSearcher(r)
	docs, err := ss.SearchTop(NewTermQuery(index.NewTerm("content", "bat")), 10)
	if err != nil {
		t.Error(err)
	}

	assertEquals(t, 8, docs.TotalHits)
	doc, err := r.Document(docs.ScoreDocs[0].Doc)
	if err != nil {
		t.Error(err)
	}
	assertEquals(t, "Bat recycling", doc.Get("title"))
}
Ejemplo n.º 2
0
func main() {
	log.Print("Oepning FSDirectory...")
	// path := "src/github.com/balzaczyy/golucene/search/testdata/win8/belfrysample"
	path := "core/search/testdata/win8/belfrysample"
	// path := "/private/tmp/kc/index/belfrysample"
	// path := "c:/tmp/kc/index/belfrysample"
	d, err := store.OpenFSDirectory(path)
	if err != nil {
		panic(err)
	}
	log.Print("Opening DirectoryReader...")
	r, err := index.OpenDirectoryReader(d)
	if err != nil {
		panic(err)
	}
	if r == nil {
		panic("DirectoryReader cannot be opened.")
	}
	if len(r.Leaves()) < 1 {
		panic("Should have one leaf.")
	}
	log.Print("Initializing IndexSearcher...")
	ss := search.NewIndexSearcher(r)
	log.Print("Searching...")
	docs, err := ss.SearchTop(search.NewTermQuery(index.NewTerm("content", "bat")), 10)
	if err != nil {
		panic(err)
	}
	log.Println("Hits:", docs.TotalHits)
	doc, err := r.Document(docs.ScoreDocs[0].Doc)
	if err != nil {
		panic(err)
	}
	log.Println("Hit 1's title: ", doc.Get("title"))
}
Ejemplo n.º 3
0
func main() {
	util.SetDefaultInfoStream(util.NewPrintStreamInfoStream(os.Stdout))
	index.DefaultSimilarity = func() index.Similarity {
		return search.NewDefaultSimilarity()
	}

	directory, _ := store.OpenFSDirectory("test_index")
	analyzer := std.NewStandardAnalyzer()
	conf := index.NewIndexWriterConfig(util.VERSION_LATEST, analyzer)
	writer, _ := index.NewIndexWriter(directory, conf)

	d := document.NewDocument()
	d.Add(document.NewTextFieldFromString("foo", "bar", document.STORE_YES))
	writer.AddDocument(d.Fields())
	writer.Close() // ensure index is written

	reader, _ := index.OpenDirectoryReader(directory)
	searcher := search.NewIndexSearcher(reader)

	q := search.NewTermQuery(index.NewTerm("foo", "bar"))
	res, _ := searcher.Search(q, nil, 1000)
	fmt.Printf("Found %v hit(s).\n", res.TotalHits)
	for _, hit := range res.ScoreDocs {
		fmt.Printf("Doc %v score: %v\n", hit.Doc, hit.Score)
		doc, _ := reader.Document(hit.Doc)
		fmt.Printf("foo -> %v\n", doc.Get("foo"))
	}

}
func TestInitTerm(t *testing.T) {
	path := "../search/testdata/win8/belfrysample"
	d, err := store.OpenFSDirectory(path)
	if err != nil {
		t.Error(err)
	}
	r, err := OpenDirectoryReader(d)
	if err != nil {
		t.Error(err)
	}
	leaves := r.Context().Leaves()
	if len(leaves) != 1 {
		t.Error("Should have one leaf.")
	}
	ctx := leaves[0]
	fields := ctx.reader.Fields()
	terms := fields.Terms("content")
	termsEnum := terms.Iterator(nil)

	if len(termsEnum.Term()) != 0 {
		t.Error("Initial term should has zero length.")
	}

	ok, err := termsEnum.SeekExact(NewTerm("content", "bat").Bytes)
	if err != nil {
		t.Error(err)
	}
	if !ok {
		t.Error("SeekExact should return true.")
	}
}
Ejemplo n.º 5
0
func TestLastCommitGeneration(t *testing.T) {
	d, err := store.OpenFSDirectory("../search/testdata/belfrysample")
	if err != nil {
		t.Error(err)
	}

	files, err := d.ListAll()
	if err != nil {
		t.Error(err)
	}
	if files != nil {
		genA := LastCommitGeneration(files)
		assertEquals(t, int64(1), genA)
	}
}
Ejemplo n.º 6
0
func TestLastCommitGeneration(t *testing.T) {
	d, err := store.OpenFSDirectory("testdata/belfrysample")
	if err != nil {
		t.Error(err)
	}
	files, err := d.ListAll()
	if err != nil {
		t.Error(err)
	}
	if files != nil {
		genA := index.LastCommitGeneration(files)
		if genA != 1 {
			t.Error("Should be 1, but was %v", genA)
		}
	}
}
Ejemplo n.º 7
0
func TestReadFieldInfos(t *testing.T) {
	path := "../../search/testdata/osx/belfrysample"
	d, err := store.OpenFSDirectory(path)
	if err != nil {
		t.Error(err)
	}
	ctx := store.NewIOContextBool(false)
	cd, err := store.NewCompoundFileDirectory(d, "_0.cfs", ctx, false)
	if err != nil {
		t.Error(err)
	}
	fis, err := Lucene42FieldInfosReader(cd, "_0", "", store.IO_CONTEXT_READONCE)
	if err != nil {
		t.Error(err)
	}
	if !fis.HasNorms || fis.HasDocValues {
		t.Errorf("hasNorms must be true and hasDocValues must be false, but found %v", fis)
	}
}
Ejemplo n.º 8
0
func TestLeaves(t *testing.T) {
	path := "../search/testdata/win8/belfrysample"
	d, err := store.OpenFSDirectory(path)
	if err != nil {
		t.Error(err)
	}
	r, err := OpenDirectoryReader(d)
	if err != nil {
		t.Error(err)
	}
	if len(r.Leaves()) != 1 {
		t.Error("Should have one sub reader.")
	}
	fmt.Println(r)
	r2 := r.Context().Reader()
	fmt.Println(r2)
	if len(r2.Leaves()) != 1 {
		t.Error("Should have one sub reader.")
	}
}
Ejemplo n.º 9
0
func TestBasicIndexAndSearch(t *testing.T) {
	q := search.NewTermQuery(index.NewTerm("foo", "bar"))
	q.SetBoost(-42)

	os.RemoveAll(".gltest")

	directory, err := store.OpenFSDirectory(".gltest")
	It(t).Should("has no error: %v", err).Assert(err == nil)
	It(t).Should("has valid directory").Assert(directory != nil)
	fmt.Println("Directory", directory)
	defer directory.Close()

	analyzer := std.NewStandardAnalyzer()
	conf := index.NewIndexWriterConfig(util.VERSION_LATEST, analyzer)

	writer, err := index.NewIndexWriter(directory, conf)
	It(t).Should("has no error: %v", err).Assert(err == nil)

	d := docu.NewDocument()
	d.Add(docu.NewTextFieldFromString("foo", "bar", docu.STORE_YES))
	err = writer.AddDocument(d.Fields())
	It(t).Should("has no error: %v", err).Assert(err == nil)
	err = writer.Close() // ensure index is written
	It(t).Should("has no error: %v", err).Assert(err == nil)

	reader, err := index.OpenDirectoryReader(directory)
	It(t).Should("has no error: %v", err).Assert(err == nil)
	defer reader.Close()

	searcher := search.NewIndexSearcher(reader)
	res, err := searcher.Search(q, nil, 1000)
	It(t).Should("has no error: %v", err).Assert(err == nil)
	hits := res.ScoreDocs
	It(t).Should("expect 1 hits, but %v only.", len(hits)).Assert(len(hits) == 1)
	It(t).Should("expect score to be negative (got %v)", hits[0].Score).Verify(hits[0].Score < 0)

	explain, err := searcher.Explain(q, hits[0].Doc)
	It(t).Should("has no error: %v", err).Assert(err == nil)
	It(t).Should("score doesn't match explanation (%v vs %v)", hits[0].Score, explain.Value()).Verify(isSimilar(hits[0].Score, explain.Value(), 0.001))
	It(t).Should("explain doesn't think doc is a match").Verify(explain.IsMatch())
}