116 lines
2.3 KiB
Go
116 lines
2.3 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 porter
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import (
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"reflect"
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"testing"
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"github.com/blevesearch/bleve/analysis"
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)
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func TestPorterStemmer(t *testing.T) {
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inputTokenStream := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("walking"),
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},
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&analysis.Token{
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Term: []byte("talked"),
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},
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&analysis.Token{
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Term: []byte("business"),
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},
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&analysis.Token{
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Term: []byte("protected"),
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KeyWord: true,
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},
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&analysis.Token{
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Term: []byte("cat"),
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},
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&analysis.Token{
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Term: []byte("done"),
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},
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// a term which does stem, but does not change length
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&analysis.Token{
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Term: []byte("marty"),
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},
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}
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expectedTokenStream := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("walk"),
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},
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&analysis.Token{
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Term: []byte("talk"),
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},
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&analysis.Token{
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Term: []byte("busi"),
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},
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&analysis.Token{
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Term: []byte("protected"),
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KeyWord: true,
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},
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&analysis.Token{
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Term: []byte("cat"),
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},
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&analysis.Token{
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Term: []byte("done"),
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},
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&analysis.Token{
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Term: []byte("marti"),
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},
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}
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filter := NewPorterStemmer()
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ouputTokenStream := filter.Filter(inputTokenStream)
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if !reflect.DeepEqual(ouputTokenStream, expectedTokenStream) {
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t.Errorf("expected %#v got %#v", expectedTokenStream[3], ouputTokenStream[3])
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}
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}
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func BenchmarkPorterStemmer(b *testing.B) {
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inputTokenStream := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("walking"),
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},
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&analysis.Token{
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Term: []byte("talked"),
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},
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&analysis.Token{
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Term: []byte("business"),
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},
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&analysis.Token{
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Term: []byte("protected"),
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KeyWord: true,
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},
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&analysis.Token{
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Term: []byte("cat"),
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},
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&analysis.Token{
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Term: []byte("done"),
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},
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}
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filter := NewPorterStemmer()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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filter.Filter(inputTokenStream)
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}
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}
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