167 lines
3.4 KiB
Go
167 lines
3.4 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package regexp
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import (
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"reflect"
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"regexp"
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"testing"
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"github.com/blevesearch/bleve/analysis"
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)
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func TestBoundary(t *testing.T) {
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wordRegex := regexp.MustCompile(`\p{Han}|\p{Hangul}|\p{Hiragana}|\p{Katakana}|\w+`)
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tests := []struct {
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input []byte
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output analysis.TokenStream
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}{
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{
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[]byte("Hello World."),
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analysis.TokenStream{
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{
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Start: 0,
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End: 5,
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Term: []byte("Hello"),
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Position: 1,
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Type: analysis.AlphaNumeric,
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},
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{
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Start: 6,
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End: 11,
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Term: []byte("World"),
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Position: 2,
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Type: analysis.AlphaNumeric,
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},
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},
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},
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{
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[]byte("こんにちは世界"),
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analysis.TokenStream{
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{
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Start: 0,
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End: 3,
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Term: []byte("こ"),
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Position: 1,
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Type: analysis.Ideographic,
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},
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{
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Start: 3,
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End: 6,
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Term: []byte("ん"),
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Position: 2,
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Type: analysis.Ideographic,
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},
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{
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Start: 6,
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End: 9,
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Term: []byte("に"),
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Position: 3,
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Type: analysis.Ideographic,
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},
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{
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Start: 9,
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End: 12,
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Term: []byte("ち"),
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Position: 4,
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Type: analysis.Ideographic,
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},
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{
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Start: 12,
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End: 15,
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Term: []byte("は"),
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Position: 5,
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Type: analysis.Ideographic,
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},
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{
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Start: 15,
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End: 18,
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Term: []byte("世"),
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Position: 6,
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Type: analysis.Ideographic,
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},
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{
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Start: 18,
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End: 21,
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Term: []byte("界"),
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Position: 7,
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Type: analysis.Ideographic,
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},
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},
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},
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{
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[]byte(""),
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analysis.TokenStream{},
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},
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}
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for _, test := range tests {
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tokenizer := NewRegexpTokenizer(wordRegex)
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actual := tokenizer.Tokenize(test.input)
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if !reflect.DeepEqual(actual, test.output) {
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t.Errorf("Expected %v, got %v for %s", test.output, actual, string(test.input))
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}
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}
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}
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func TestBugProducingEmptyTokens(t *testing.T) {
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wordRegex := regexp.MustCompile(`[0-9a-zA-Z_]*`)
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tests := []struct {
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input []byte
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output analysis.TokenStream
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}{
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{
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[]byte("Chatha Edwards Sr."),
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analysis.TokenStream{
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{
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Start: 0,
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End: 6,
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Term: []byte("Chatha"),
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Position: 1,
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Type: analysis.AlphaNumeric,
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},
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{
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Start: 7,
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End: 14,
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Term: []byte("Edwards"),
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Position: 2,
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Type: analysis.AlphaNumeric,
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},
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{
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Start: 15,
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End: 17,
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Term: []byte("Sr"),
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Position: 3,
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Type: analysis.AlphaNumeric,
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},
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},
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},
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}
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for _, test := range tests {
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tokenizer := NewRegexpTokenizer(wordRegex)
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actual := tokenizer.Tokenize(test.input)
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if !reflect.DeepEqual(actual, test.output) {
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t.Errorf("Expected %v, got %v for %s", test.output, actual, string(test.input))
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}
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}
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}
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