ce901a8870
this introduces new German light stemmer and moves the other pure Go german analysis components back in from the blevex package the libstemmer version of the stemmer will remain in blevex
156 lines
3.1 KiB
Go
156 lines
3.1 KiB
Go
// Copyright (c) 2017 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package de
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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 TestGermanAnalyzer(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("Tisch"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("tisch"),
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Position: 1,
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Start: 0,
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End: 5,
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},
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},
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},
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{
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input: []byte("Tische"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("tisch"),
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Position: 1,
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Start: 0,
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End: 6,
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},
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},
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},
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{
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input: []byte("Tischen"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("tisch"),
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Position: 1,
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Start: 0,
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End: 7,
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},
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},
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},
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// german specials
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{
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input: []byte("Schaltflächen"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("schaltflach"),
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Position: 1,
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Start: 0,
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End: 14,
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},
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},
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},
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{
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input: []byte("Schaltflaechen"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("schaltflach"),
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Position: 1,
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Start: 0,
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End: 14,
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},
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},
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},
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// tests added by marty to increase coverage
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{
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input: []byte("Blechern"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("blech"),
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Position: 1,
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Start: 0,
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End: 8,
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},
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},
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},
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{
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input: []byte("Klecks"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("kleck"),
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Position: 1,
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Start: 0,
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End: 6,
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},
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},
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},
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{
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input: []byte("Mindestens"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("mindest"),
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Position: 1,
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Start: 0,
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End: 10,
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},
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},
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},
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{
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input: []byte("Kugelfest"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("kugelf"),
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Position: 1,
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Start: 0,
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End: 9,
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},
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},
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},
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{
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input: []byte("Baldigst"),
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("baldig"),
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Position: 1,
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Start: 0,
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End: 8,
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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 !reflect.DeepEqual(actual, test.output) {
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t.Errorf("expected %v, got %v", test.output, actual)
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}
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}
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}
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