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// 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 elision
import (
"reflect"
"testing"
"github.com/blevesearch/bleve/analysis"
"github.com/blevesearch/bleve/analysis/tokenmap"
"github.com/blevesearch/bleve/registry"
)
func TestElisionFilter(t *testing.T) {
tests := []struct {
input analysis.TokenStream
output analysis.TokenStream
}{
{
input: analysis.TokenStream{
&analysis.Token{
Term: []byte("ar" + string(Apostrophe) + "word"),
},
},
output: analysis.TokenStream{
&analysis.Token{
Term: []byte("word"),
},
},
},
{
input: analysis.TokenStream{
&analysis.Token{
Term: []byte("ar" + string(RightSingleQuotationMark) + "word"),
},
},
output: analysis.TokenStream{
&analysis.Token{
Term: []byte("word"),
},
},
},
}
cache := registry.NewCache()
articleListConfig := map[string]interface{}{
"type": tokenmap.Name,
"tokens": []interface{}{"ar"},
}
_, err := cache.DefineTokenMap("articles_test", articleListConfig)
if err != nil {
t.Fatal(err)
}
elisionConfig := map[string]interface{}{
"type": "elision",
"articles_token_map": "articles_test",
}
elisionFilter, err := cache.DefineTokenFilter("elision_test", elisionConfig)
if err != nil {
t.Fatal(err)
}
for _, test := range tests {
actual := elisionFilter.Filter(test.input)
if !reflect.DeepEqual(actual, test.output) {
t.Errorf("expected %s, got %s", test.output[0].Term, actual[0].Term)
}
}
}
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