103 lines
2.6 KiB
Go
103 lines
2.6 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 length_filter
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import (
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"testing"
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"github.com/couchbaselabs/bleve/analysis"
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)
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func TestLengthFilter(t *testing.T) {
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inputTokenStream := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("1"),
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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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}
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lengthFilter, err := NewLengthFilter(3, 4)
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if err != nil {
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t.Fatal(err)
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}
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ouputTokenStream := lengthFilter.Filter(inputTokenStream)
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if len(ouputTokenStream) != 1 {
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t.Fatalf("expected 1 output token")
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}
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if string(ouputTokenStream[0].Term) != "two" {
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t.Errorf("expected term `two`, got `%s`", ouputTokenStream[0].Term)
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}
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}
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func TestLengthFilterNoMax(t *testing.T) {
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inputTokenStream := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("1"),
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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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}
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lengthFilter, err := NewLengthFilter(3, -1)
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if err != nil {
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t.Fatal(err)
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}
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ouputTokenStream := lengthFilter.Filter(inputTokenStream)
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if len(ouputTokenStream) != 2 {
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t.Fatalf("expected 2 output token")
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}
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if string(ouputTokenStream[0].Term) != "two" {
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t.Errorf("expected term `two`, got `%s`", ouputTokenStream[0].Term)
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}
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if string(ouputTokenStream[1].Term) != "three" {
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t.Errorf("expected term `three`, got `%s`", ouputTokenStream[0].Term)
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}
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}
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func TestLengthFilterNoMin(t *testing.T) {
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inputTokenStream := analysis.TokenStream{
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&analysis.Token{
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Term: []byte("1"),
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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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}
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lengthFilter, err := NewLengthFilter(-1, 4)
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if err != nil {
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t.Fatal(err)
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}
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ouputTokenStream := lengthFilter.Filter(inputTokenStream)
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if len(ouputTokenStream) != 2 {
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t.Fatalf("expected 2 output token")
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}
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if string(ouputTokenStream[0].Term) != "1" {
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t.Errorf("expected term `1`, got `%s`", ouputTokenStream[0].Term)
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}
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if string(ouputTokenStream[1].Term) != "two" {
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t.Errorf("expected term `two`, got `%s`", ouputTokenStream[0].Term)
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}
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}
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