func init() {
inMemStore, _ := inmem.New()
analysisQueue := index.NewAnalysisQueue(1)
twoDocIndex = upside_down.NewUpsideDownCouch(inMemStore, analysisQueue)
err := twoDocIndex.Open()
if err != nil {
panic(err)
}
for _, doc := range twoDocIndexDocs {
err := twoDocIndex.Update(doc)
if err != nil {
panic(err)
}
}
}
func TestTermSearcher(t *testing.T) {
var queryTerm = "beer"
var queryField = "desc"
var queryBoost = 3.0
var queryExplain = true
inMemStore, _ := inmem.New()
analysisQueue := upside_down.NewAnalysisQueue(1)
i := upside_down.NewUpsideDownCouch(inMemStore, analysisQueue)
err := i.Open()
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "a",
Fields: []document.Field{
document.NewTextField("desc", []uint64{}, []byte("beer")),
},
})
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "b",
Fields: []document.Field{
document.NewTextField("desc", []uint64{}, []byte("beer")),
},
})
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "c",
Fields: []document.Field{
document.NewTextField("desc", []uint64{}, []byte("beer")),
},
})
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "d",
Fields: []document.Field{
document.NewTextField("desc", []uint64{}, []byte("beer")),
},
})
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "e",
Fields: []document.Field{
document.NewTextField("desc", []uint64{}, []byte("beer")),
},
})
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "f",
Fields: []document.Field{
document.NewTextField("desc", []uint64{}, []byte("beer")),
},
})
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "g",
Fields: []document.Field{
document.NewTextField("desc", []uint64{}, []byte("beer")),
},
})
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "h",
Fields: []document.Field{
document.NewTextField("desc", []uint64{}, []byte("beer")),
},
})
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "i",
Fields: []document.Field{
document.NewTextField("desc", []uint64{}, []byte("beer")),
},
})
if err != nil {
t.Fatal(err)
}
err = i.Update(&document.Document{
ID: "j",
Fields: []document.Field{
document.NewTextField("title", []uint64{}, []byte("cat")),
},
})
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 := NewTermSearcher(indexReader, queryTerm, queryField, queryBoost, queryExplain)
if err != nil {
t.Fatal(err)
}
defer func() {
err := searcher.Close()
if err != nil {
t.Fatal(err)
}
}()
searcher.SetQueryNorm(2.0)
docCount, err := i.DocCount()
if err != nil {
t.Fatal(err)
}
idf := 1.0 + math.Log(float64(docCount)/float64(searcher.Count()+1.0))
expectedQueryWeight := 3 * idf * 3 * idf
if expectedQueryWeight != searcher.Weight() {
t.Errorf("expected weight %v got %v", expectedQueryWeight, searcher.Weight())
}
if searcher.Count() != 9 {
t.Errorf("expected count of 9, got %d", searcher.Count())
}
docMatch, err := searcher.Next()
if err != nil {
t.Errorf("expected result, got %v", err)
}
if docMatch.ID != "a" {
t.Errorf("expected result ID to be 'a', got '%s", docMatch.ID)
}
docMatch, err = searcher.Advance("c")
if err != nil {
t.Errorf("expected result, got %v", err)
}
if docMatch.ID != "c" {
t.Errorf("expected result ID to be 'c' got '%s'", docMatch.ID)
}
// try advancing past end
docMatch, err = searcher.Advance("z")
if err != nil {
t.Fatal(err)
}
if docMatch != nil {
t.Errorf("expected nil, got %v", docMatch)
}
// try pushing next past end
docMatch, err = searcher.Next()
if err != nil {
t.Fatal(err)
}
if docMatch != nil {
t.Errorf("expected nil, got %v", docMatch)
}
}
func CreateInMem() (store.KVStore, error) {
return inmem.New()
}