snapshot of https://github.com/blevesearch/bleve.git (master, 2026-09-15; blobs > 131072B omitted)

analysis/lang/ar/arabic_normalize_test.go

@@ -0,0 +1,234 @@
+//  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 ar
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+)
+
+func TestArabicNormalizeFilter(t *testing.T) {
+	tests := []struct {
+		input  analysis.TokenStream
+		output analysis.TokenStream
+	}{
+		// AlifMadda
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("آجن"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("اجن"),
+				},
+			},
+		},
+		// AlifHamzaAbove
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("أحمد"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("احمد"),
+				},
+			},
+		},
+		// AlifHamzaBelow
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("إعاذ"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("اعاذ"),
+				},
+			},
+		},
+		// AlifMaksura
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("بنى"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("بني"),
+				},
+			},
+		},
+		// TehMarbuta
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("فاطمة"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("فاطمه"),
+				},
+			},
+		},
+		// Tatweel
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("روبرـــــت"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("روبرت"),
+				},
+			},
+		},
+		// Fatha
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("مَبنا"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("مبنا"),
+				},
+			},
+		},
+		// Kasra
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("علِي"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("علي"),
+				},
+			},
+		},
+		// Damma
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("بُوات"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("بوات"),
+				},
+			},
+		},
+		// Fathatan
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ولداً"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ولدا"),
+				},
+			},
+		},
+		// Kasratan
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ولدٍ"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ولد"),
+				},
+			},
+		},
+		// Dammatan
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ولدٌ"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("ولد"),
+				},
+			},
+		},
+		// Sukun
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("نلْسون"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("نلسون"),
+				},
+			},
+		},
+		// Shaddah
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("هتميّ"),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte("هتمي"),
+				},
+			},
+		},
+		// empty
+		{
+			input: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte(""),
+				},
+			},
+			output: analysis.TokenStream{
+				&analysis.Token{
+					Term: []byte(""),
+				},
+			},
+		},
+	}
+
+	arabicNormalizeFilter := NewArabicNormalizeFilter()
+	for _, test := range tests {
+		actual := arabicNormalizeFilter.Filter(test.input)
+		if !reflect.DeepEqual(actual, test.output) {
+			t.Errorf("expected %#v, got %#v", test.output, actual)
+			t.Errorf("expected % x, got % x", test.output[0].Term, actual[0].Term)
+		}
+	}
+}