156 lines
3.3 KiB
Go
156 lines
3.3 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package lower_case_filter
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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 TestLowerCaseFilter(t *testing.T) {
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inputTokenStream := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("ONE"),
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},
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&analysis.Token{
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Term: []byte("two"),
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},
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&analysis.Token{
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Term: []byte("ThReE"),
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},
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&analysis.Token{
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Term: []byte("steven's"),
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},
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// these characters are chosen in particular
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// because the utf-8 encoding of the lower-case
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// version has a different length
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// Rune İ(304) width 2 - Lower i(105) width 1
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// Rune Ⱥ(570) width 2 - Lower ⱥ(11365) width 3
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// Rune Ⱦ(574) width 2 - Lower ⱦ(11366) width 3
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&analysis.Token{
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Term: []byte("İȺȾCAT"),
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},
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&analysis.Token{
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Term: []byte("ȺȾCAT"),
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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("one"),
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},
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&analysis.Token{
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Term: []byte("two"),
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},
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&analysis.Token{
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Term: []byte("three"),
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},
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&analysis.Token{
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Term: []byte("steven's"),
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},
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&analysis.Token{
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Term: []byte("iⱥⱦcat"),
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},
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&analysis.Token{
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Term: []byte("ⱥⱦcat"),
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},
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}
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filter := NewLowerCaseFilter()
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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, ouputTokenStream)
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t.Errorf("expected %s got %s", expectedTokenStream[0].Term, ouputTokenStream[0].Term)
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}
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}
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func BenchmarkLowerCaseFilter(b *testing.B) {
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input := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("A"),
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},
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&analysis.Token{
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Term: []byte("boiling"),
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},
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&analysis.Token{
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Term: []byte("liquid"),
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},
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&analysis.Token{
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Term: []byte("expanding"),
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},
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&analysis.Token{
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Term: []byte("vapor"),
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},
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&analysis.Token{
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Term: []byte("explosion"),
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},
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&analysis.Token{
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Term: []byte("caused"),
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},
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&analysis.Token{
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Term: []byte("by"),
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},
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&analysis.Token{
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Term: []byte("the"),
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},
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&analysis.Token{
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Term: []byte("rupture"),
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},
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&analysis.Token{
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Term: []byte("of"),
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},
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&analysis.Token{
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Term: []byte("a"),
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},
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&analysis.Token{
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Term: []byte("vessel"),
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},
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&analysis.Token{
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Term: []byte("containing"),
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},
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&analysis.Token{
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Term: []byte("a"),
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},
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&analysis.Token{
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Term: []byte("pressurized"),
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},
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&analysis.Token{
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Term: []byte("liquid"),
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},
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&analysis.Token{
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Term: []byte("above"),
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},
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&analysis.Token{
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Term: []byte("its"),
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},
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&analysis.Token{
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Term: []byte("boiling"),
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},
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&analysis.Token{
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Term: []byte("point"),
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},
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&analysis.Token{
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Term: []byte("İȺȾCAT"),
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},
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&analysis.Token{
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Term: []byte("ȺȾCAT"),
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},
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}
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filter := NewLowerCaseFilter()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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filter.Filter(input)
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}
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}
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