Adding upstream version 2.5.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

builder_test.go

@@ -0,0 +1,88 @@
+//  Copyright (c) 2019 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package bleve
+
+import (
+	"fmt"
+	"os"
+	"testing"
+)
+
+func TestBuilder(t *testing.T) {
+	tmpDir, err := os.MkdirTemp("", "bleve-scorch-builder-test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		err = os.RemoveAll(tmpDir)
+		if err != nil {
+			t.Fatalf("error cleaning up test index")
+		}
+	}()
+
+	conf := map[string]interface{}{
+		"batchSize": 2,
+		"mergeMax":  2,
+	}
+	b, err := NewBuilder(tmpDir, NewIndexMapping(), conf)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for i := 0; i < 10; i++ {
+		doc := map[string]interface{}{
+			"name": "hello",
+		}
+		err = b.Index(fmt.Sprintf("%d", i), doc)
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	err = b.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	idx, err := Open(tmpDir)
+	if err != nil {
+		t.Fatalf("error opening index: %v", err)
+	}
+	defer func() {
+		err = idx.Close()
+		if err != nil {
+			t.Errorf("error closing index: %v", err)
+		}
+	}()
+
+	docCount, err := idx.DocCount()
+	if err != nil {
+		t.Errorf("error checking doc count: %v", err)
+	}
+	if docCount != 10 {
+		t.Errorf("expected doc count to be 10, got %d", docCount)
+	}
+
+	q := NewTermQuery("hello")
+	q.SetField("name")
+	req := NewSearchRequest(q)
+	res, err := idx.Search(req)
+	if err != nil {
+		t.Errorf("error searching index: %v", err)
+	}
+	if res.Total != 10 {
+		t.Errorf("expected 10 search hits, got %d", res.Total)
+	}
+}