188 lines
4.0 KiB
Go
188 lines
4.0 KiB
Go
// Copyright (c) 2014 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 compound
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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/analysis/tokenmap"
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"github.com/blevesearch/bleve/registry"
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)
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func TestStopWordsFilter(t *testing.T) {
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inputTokenStream := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("i"),
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Start: 0,
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End: 1,
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Position: 1,
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},
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&analysis.Token{
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Term: []byte("like"),
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Start: 2,
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End: 6,
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Position: 2,
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},
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&analysis.Token{
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Term: []byte("to"),
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Start: 7,
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End: 9,
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Position: 3,
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},
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&analysis.Token{
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Term: []byte("play"),
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Start: 10,
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End: 14,
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Position: 4,
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},
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&analysis.Token{
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Term: []byte("softball"),
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Start: 15,
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End: 23,
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Position: 5,
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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("i"),
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Start: 0,
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End: 1,
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Position: 1,
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},
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&analysis.Token{
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Term: []byte("like"),
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Start: 2,
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End: 6,
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Position: 2,
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},
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&analysis.Token{
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Term: []byte("to"),
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Start: 7,
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End: 9,
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Position: 3,
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},
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&analysis.Token{
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Term: []byte("play"),
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Start: 10,
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End: 14,
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Position: 4,
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},
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&analysis.Token{
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Term: []byte("softball"),
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Start: 15,
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End: 23,
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Position: 5,
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},
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&analysis.Token{
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Term: []byte("soft"),
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Start: 15,
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End: 19,
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Position: 5,
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},
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&analysis.Token{
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Term: []byte("ball"),
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Start: 19,
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End: 23,
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Position: 5,
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},
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}
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cache := registry.NewCache()
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dictListConfig := map[string]interface{}{
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"type": tokenmap.Name,
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"tokens": []interface{}{"factor", "soft", "ball", "team"},
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}
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_, err := cache.DefineTokenMap("dict_test", dictListConfig)
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if err != nil {
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t.Fatal(err)
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}
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dictConfig := map[string]interface{}{
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"type": "dict_compound",
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"dict_token_map": "dict_test",
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}
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dictFilter, err := cache.DefineTokenFilter("dict_test", dictConfig)
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if err != nil {
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t.Fatal(err)
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}
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ouputTokenStream := dictFilter.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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}
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}
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func TestStopWordsFilterLongestMatch(t *testing.T) {
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inputTokenStream := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("softestball"),
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Start: 0,
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End: 11,
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Position: 1,
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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("softestball"),
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Start: 0,
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End: 11,
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Position: 1,
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},
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&analysis.Token{
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Term: []byte("softest"),
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Start: 0,
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End: 7,
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Position: 1,
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},
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&analysis.Token{
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Term: []byte("ball"),
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Start: 7,
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End: 11,
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Position: 1,
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},
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}
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cache := registry.NewCache()
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dictListConfig := map[string]interface{}{
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"type": tokenmap.Name,
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"tokens": []interface{}{"soft", "softest", "ball"},
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}
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_, err := cache.DefineTokenMap("dict_test", dictListConfig)
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if err != nil {
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t.Fatal(err)
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}
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dictConfig := map[string]interface{}{
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"type": "dict_compound",
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"dict_token_map": "dict_test",
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"only_longest_match": true,
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}
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dictFilter, err := cache.DefineTokenFilter("dict_test", dictConfig)
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if err != nil {
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t.Fatal(err)
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}
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ouputTokenStream := dictFilter.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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}
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}
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