206 lines
4.8 KiB
Go
206 lines
4.8 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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// +build libstemmer full
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// +build icu full
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package fr
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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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"github.com/blevesearch/bleve/registry"
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)
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func TestFrenchAnalyzer(t *testing.T) {
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tests := []struct {
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input []byte
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output analysis.TokenStream
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}{
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{
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input: []byte(""),
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output: analysis.TokenStream{},
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},
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{
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input: []byte("chien chat cheval"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("chien"),
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},
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&analysis.Token{
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Term: []byte("chat"),
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},
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&analysis.Token{
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Term: []byte("cheval"),
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},
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},
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},
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{
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input: []byte("chien CHAT CHEVAL"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("chien"),
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},
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&analysis.Token{
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Term: []byte("chat"),
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},
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&analysis.Token{
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Term: []byte("cheval"),
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},
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},
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},
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{
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input: []byte(" chien ,? + = - CHAT /: > CHEVAL"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("chien"),
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},
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&analysis.Token{
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Term: []byte("chat"),
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},
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&analysis.Token{
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Term: []byte("cheval"),
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},
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},
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},
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{
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input: []byte("chien++"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("chien"),
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},
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},
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},
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// fails
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// {
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// input: []byte("mot \"entreguillemet\""),
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// output: analysis.TokenStream{
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// &analysis.Token{
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// Term: []byte("mot"),
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// },
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// &analysis.Token{
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// Term: []byte("entreguilemet"),
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// },
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// },
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// },
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// fails, lucene light stemmer normalizes ç to c
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// need to invsetigate french stemmer
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// {
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// input: []byte("Jean-François"),
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// output: analysis.TokenStream{
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// &analysis.Token{
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// Term: []byte("jean"),
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// },
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// &analysis.Token{
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// Term: []byte("francoi"),
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// },
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// },
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// },
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// stop words
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{
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input: []byte("le la chien les aux chat du des à cheval"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("chien"),
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},
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&analysis.Token{
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Term: []byte("chat"),
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},
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&analysis.Token{
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Term: []byte("cheval"),
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},
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},
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},
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// nouns and adjectives
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// fails, stemming difference on habitabl/habit and é to e normalization
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// {
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// input: []byte("lances chismes habitable chiste éléments captifs"),
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// output: analysis.TokenStream{
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// &analysis.Token{
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// Term: []byte("lanc"),
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// },
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// &analysis.Token{
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// Term: []byte("chism"),
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// },
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// &analysis.Token{
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// Term: []byte("habitabl"),
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// },
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// &analysis.Token{
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// Term: []byte("chist"),
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// },
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// &analysis.Token{
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// Term: []byte("element"),
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// },
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// &analysis.Token{
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// Term: []byte("captif"),
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// },
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// },
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// },
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// verbs
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// fails very different stemming results
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// {
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// input: []byte("finissions souffrirent rugissante"),
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// output: analysis.TokenStream{
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// &analysis.Token{
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// Term: []byte("finision"),
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// },
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// &analysis.Token{
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// Term: []byte("soufrirent"),
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// },
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// &analysis.Token{
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// Term: []byte("rugisant"),
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// },
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// },
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// },
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// also fails, very different stemming results
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// {
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// input: []byte("C3PO aujourd'hui oeuf ïâöûàä anticonstitutionnellement Java++ "),
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// output: analysis.TokenStream{
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// &analysis.Token{
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// Term: []byte("c3po"),
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// },
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// &analysis.Token{
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// Term: []byte("aujourd'hui"),
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// },
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// &analysis.Token{
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// Term: []byte("oeuf"),
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// },
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// &analysis.Token{
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// Term: []byte("ïaöuaä"),
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// },
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// &analysis.Token{
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// Term: []byte("anticonstitutionel'hui"),
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// },
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// &analysis.Token{
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// Term: []byte("java"),
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// },
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// },
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// },
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}
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cache := registry.NewCache()
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analyzer, err := cache.AnalyzerNamed(AnalyzerName)
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if err != nil {
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t.Fatal(err)
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}
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for _, test := range tests {
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actual := analyzer.Analyze(test.input)
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if len(actual) != len(test.output) {
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t.Fatalf("expected length: %d, got %d", len(test.output), len(actual))
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}
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for i, tok := range actual {
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if !reflect.DeepEqual(tok.Term, test.output[i].Term) {
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t.Errorf("expected term %s (% x) got %s (% x)", test.output[i].Term, test.output[i].Term, tok.Term, tok.Term)
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}
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}
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}
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}
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