35da361bfa
this commit only addresses the analysis sub-package
111 lines
2.3 KiB
Go
111 lines
2.3 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 porter
|
|
|
|
import (
|
|
"reflect"
|
|
"testing"
|
|
|
|
"github.com/blevesearch/bleve/analysis"
|
|
)
|
|
|
|
func TestPorterStemmer(t *testing.T) {
|
|
|
|
inputTokenStream := analysis.TokenStream{
|
|
&analysis.Token{
|
|
Term: []byte("walking"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("talked"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("business"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("protected"),
|
|
KeyWord: true,
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("cat"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("done"),
|
|
},
|
|
// a term which does stem, but does not change length
|
|
&analysis.Token{
|
|
Term: []byte("marty"),
|
|
},
|
|
}
|
|
|
|
expectedTokenStream := analysis.TokenStream{
|
|
&analysis.Token{
|
|
Term: []byte("walk"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("talk"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("busi"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("protected"),
|
|
KeyWord: true,
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("cat"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("done"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("marti"),
|
|
},
|
|
}
|
|
|
|
filter := NewPorterStemmer()
|
|
ouputTokenStream := filter.Filter(inputTokenStream)
|
|
if !reflect.DeepEqual(ouputTokenStream, expectedTokenStream) {
|
|
t.Errorf("expected %#v got %#v", expectedTokenStream[3], ouputTokenStream[3])
|
|
}
|
|
}
|
|
|
|
func BenchmarkPorterStemmer(b *testing.B) {
|
|
|
|
inputTokenStream := analysis.TokenStream{
|
|
&analysis.Token{
|
|
Term: []byte("walking"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("talked"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("business"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("protected"),
|
|
KeyWord: true,
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("cat"),
|
|
},
|
|
&analysis.Token{
|
|
Term: []byte("done"),
|
|
},
|
|
}
|
|
|
|
filter := NewPorterStemmer()
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
filter.Filter(inputTokenStream)
|
|
}
|
|
|
|
}
|