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bleve/analysis/tokenizer/regexp/regexp_test.go
2016-10-02 10:13:14 -04:00

167 lines
3.4 KiB
Go

// 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 regexp
import (
"reflect"
"regexp"
"testing"
"github.com/blevesearch/bleve/analysis"
)
func TestBoundary(t *testing.T) {
wordRegex := regexp.MustCompile(`\p{Han}|\p{Hangul}|\p{Hiragana}|\p{Katakana}|\w+`)
tests := []struct {
input []byte
output analysis.TokenStream
}{
{
[]byte("Hello World."),
analysis.TokenStream{
{
Start: 0,
End: 5,
Term: []byte("Hello"),
Position: 1,
Type: analysis.AlphaNumeric,
},
{
Start: 6,
End: 11,
Term: []byte("World"),
Position: 2,
Type: analysis.AlphaNumeric,
},
},
},
{
[]byte("こんにちは世界"),
analysis.TokenStream{
{
Start: 0,
End: 3,
Term: []byte("こ"),
Position: 1,
Type: analysis.Ideographic,
},
{
Start: 3,
End: 6,
Term: []byte("ん"),
Position: 2,
Type: analysis.Ideographic,
},
{
Start: 6,
End: 9,
Term: []byte("に"),
Position: 3,
Type: analysis.Ideographic,
},
{
Start: 9,
End: 12,
Term: []byte("ち"),
Position: 4,
Type: analysis.Ideographic,
},
{
Start: 12,
End: 15,
Term: []byte("は"),
Position: 5,
Type: analysis.Ideographic,
},
{
Start: 15,
End: 18,
Term: []byte("世"),
Position: 6,
Type: analysis.Ideographic,
},
{
Start: 18,
End: 21,
Term: []byte("界"),
Position: 7,
Type: analysis.Ideographic,
},
},
},
{
[]byte(""),
analysis.TokenStream{},
},
}
for _, test := range tests {
tokenizer := NewRegexpTokenizer(wordRegex)
actual := tokenizer.Tokenize(test.input)
if !reflect.DeepEqual(actual, test.output) {
t.Errorf("Expected %v, got %v for %s", test.output, actual, string(test.input))
}
}
}
func TestBugProducingEmptyTokens(t *testing.T) {
wordRegex := regexp.MustCompile(`[0-9a-zA-Z_]*`)
tests := []struct {
input []byte
output analysis.TokenStream
}{
{
[]byte("Chatha Edwards Sr."),
analysis.TokenStream{
{
Start: 0,
End: 6,
Term: []byte("Chatha"),
Position: 1,
Type: analysis.AlphaNumeric,
},
{
Start: 7,
End: 14,
Term: []byte("Edwards"),
Position: 2,
Type: analysis.AlphaNumeric,
},
{
Start: 15,
End: 17,
Term: []byte("Sr"),
Position: 3,
Type: analysis.AlphaNumeric,
},
},
},
}
for _, test := range tests {
tokenizer := NewRegexpTokenizer(wordRegex)
actual := tokenizer.Tokenize(test.input)
if !reflect.DeepEqual(actual, test.output) {
t.Errorf("Expected %v, got %v for %s", test.output, actual, string(test.input))
}
}
}