Adding upstream version 2.5.1.

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

analysis/freq_test.go

@@ -0,0 +1,60 @@
+//  Copyright (c) 2014 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 analysis
+
+import (
+	index "github.com/blevesearch/bleve_index_api"
+	"reflect"
+	"testing"
+)
+
+func TestTokenFrequency(t *testing.T) {
+	tokens := TokenStream{
+		&Token{
+			Term:     []byte("water"),
+			Position: 1,
+			Start:    0,
+			End:      5,
+		},
+		&Token{
+			Term:     []byte("water"),
+			Position: 2,
+			Start:    6,
+			End:      11,
+		},
+	}
+	expectedResult := index.TokenFrequencies{
+		"water": &index.TokenFreq{
+			Term: []byte("water"),
+			Locations: []*index.TokenLocation{
+				{
+					Position: 1,
+					Start:    0,
+					End:      5,
+				},
+				{
+					Position: 2,
+					Start:    6,
+					End:      11,
+				},
+			},
+		},
+	}
+	expectedResult["water"].SetFrequency(2)
+	result := TokenFrequency(tokens, nil, index.IncludeTermVectors)
+	if !reflect.DeepEqual(result, expectedResult) {
+		t.Errorf("expected %#v, got %#v", expectedResult, result)
+	}
+}