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// Copyright (c) 2016 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 camelcase
import (
"reflect"
"testing"
"github.com/blevesearch/bleve/analysis"
)
func TestCamelCaseFilter(t *testing.T) {
tests := []struct {
input analysis.TokenStream
output analysis.TokenStream
}{
{
input: tokenStream(""),
output: tokenStream(""),
},
{
input: tokenStream("a"),
output: tokenStream("a"),
},
{
input: tokenStream("...aMACMac123macILoveGolang"),
output: tokenStream("...", "a", "MAC", "Mac", "123", "mac", "I", "Love", "Golang"),
},
{
input: tokenStream("Lang"),
output: tokenStream("Lang"),
},
{
input: tokenStream("GLang"),
output: tokenStream("G", "Lang"),
},
{
input: tokenStream("GOLang"),
output: tokenStream("GO", "Lang"),
},
{
input: tokenStream("GOOLang"),
output: tokenStream("GOO", "Lang"),
},
{
input: tokenStream("1234"),
output: tokenStream("1234"),
},
{
input: tokenStream("starbucks"),
output: tokenStream("starbucks"),
},
{
input: tokenStream("Starbucks TVSamsungIsGREAT000"),
output: tokenStream("Starbucks", " ", "TV", "Samsung", "Is", "GREAT", "000"),
},
}
for _, test := range tests {
ccFilter := NewCamelCaseFilter()
actual := ccFilter.Filter(test.input)
if !reflect.DeepEqual(actual, test.output) {
t.Errorf("expected %s \n\n got %s", test.output, actual)
}
}
}
func tokenStream(termStrs ...string) analysis.TokenStream {
tokenStream := make([]*analysis.Token, len(termStrs))
index := 0
for i, termStr := range termStrs {
tokenStream[i] = &analysis.Token{
Term: []byte(termStr),
Position: i + 1,
Start: index,
End: index + len(termStr),
}
index += len(termStr)
}
return analysis.TokenStream(tokenStream)
}
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