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102 lines
2.3 KiB
Go
102 lines
2.3 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 query
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import (
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"reflect"
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"testing"
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"github.com/blevesearch/bleve/v2/analysis"
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)
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func TestTokenStreamToPhrase(t *testing.T) {
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tests := []struct {
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tokens analysis.TokenStream
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result [][]string
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}{
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// empty token stream returns nil
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{
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tokens: analysis.TokenStream{},
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result: nil,
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},
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// typical token
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{
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tokens: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("one"),
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Position: 1,
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},
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&analysis.Token{
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Term: []byte("two"),
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Position: 2,
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},
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},
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result: [][]string{{"one"}, {"two"}},
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},
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// token stream containing a gap (usually from stop words)
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{
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tokens: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("wag"),
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Position: 1,
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},
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&analysis.Token{
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Term: []byte("dog"),
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Position: 3,
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},
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},
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result: [][]string{{"wag"}, nil, {"dog"}},
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},
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// token stream containing multiple tokens at the same position
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{
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tokens: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("nia"),
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Position: 1,
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},
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&analysis.Token{
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Term: []byte("onia"),
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Position: 1,
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},
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&analysis.Token{
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Term: []byte("donia"),
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Position: 1,
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},
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&analysis.Token{
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Term: []byte("imo"),
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Position: 2,
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},
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&analysis.Token{
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Term: []byte("nimo"),
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Position: 2,
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},
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&analysis.Token{
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Term: []byte("ónimo"),
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Position: 2,
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},
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},
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result: [][]string{{"nia", "onia", "donia"}, {"imo", "nimo", "ónimo"}},
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},
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}
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for i, test := range tests {
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actual := tokenStreamToPhrase(test.tokens)
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if !reflect.DeepEqual(actual, test.result) {
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t.Fatalf("expected %#v got %#v for test %d", test.result, actual, i)
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}
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}
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}
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