Adding upstream version 2.5.1.

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

analysis/lang/in/indic_normalize_test.go

@@ -0,0 +1,138 @@
+//  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 in
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+)
+
+func TestIndicNormalizeFilter(t *testing.T) {
+	tests := []struct {
+		input  analysis.TokenStream
+		output analysis.TokenStream
+	}{
+		// basics
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("अाॅअाॅ"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ऑऑ"),
+				},
+			},
+		},
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("अाॆअाॆ"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ऒऒ"),
+				},
+			},
+		},
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("अाेअाे"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ओओ"),
+				},
+			},
+		},
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("अाैअाै"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("औऔ"),
+				},
+			},
+		},
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("अाअा"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("आआ"),
+				},
+			},
+		},
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("अाैर"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("और"),
+				},
+			},
+		},
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ত্‍"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ৎ"),
+				},
+			},
+		},
+		// empty term
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte(""),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte(""),
+				},
+			},
+		},
+	}
+
+	indicNormalizeFilter := NewIndicNormalizeFilter()
+	for _, test := range tests {
+		actual := indicNormalizeFilter.Filter(test.input)
+		if !reflect.DeepEqual(actual, test.output) {
+			t.Errorf("expected %#v, got %#v", test.output, actual)
+			t.Errorf("expected % x, got % x for % x", test.output[0].Term, actual[0].Term, test.input[0].Term)
+			t.Errorf("expected %s, got %s for %s", test.output[0].Term, actual[0].Term, test.input[0].Term)
+		}
+	}
+}