94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
// Copyright (c) 2015 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 firestorm
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import (
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"bytes"
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"encoding/binary"
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"reflect"
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"testing"
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"github.com/blevesearch/bleve/index"
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)
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func TestPartialMerge(t *testing.T) {
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tests := []struct {
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in [][]byte
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out uint64
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}{
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{
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in: [][]byte{dictionaryTermIncr, dictionaryTermIncr, dictionaryTermIncr, dictionaryTermIncr, dictionaryTermIncr},
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out: 5,
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},
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}
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mo := &firestormMerge{}
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for _, test := range tests {
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curr := test.in[0]
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for _, next := range test.in[1:] {
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var ok bool
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curr, ok = mo.PartialMerge([]byte("key"), curr, next)
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if !ok {
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t.Errorf("expected partial merge ok")
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}
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}
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actual := decodeCount(curr)
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if actual != test.out {
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t.Errorf("expected %d, got %d", test.out, actual)
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}
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}
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}
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func decodeCount(in []byte) uint64 {
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buf := bytes.NewBuffer(in)
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count, _ := binary.ReadUvarint(buf)
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return count
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}
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func TestFullMerge(t *testing.T) {
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tests := []struct {
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existing index.IndexRow
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operands [][]byte
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result index.IndexRow
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success bool
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}{
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{
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existing: NewDictionaryRow(1, []byte("term"), 3),
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operands: [][]byte{dictionaryTermIncr, dictionaryTermIncr},
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result: NewDictionaryRow(1, []byte("term"), 5),
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success: true,
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},
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{
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existing: NewDictionaryRow(1, []byte("term"), 3),
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operands: [][]byte{dictionaryTermDecr, dictionaryTermDecr},
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result: NewDictionaryRow(1, []byte("term"), 1),
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success: true,
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},
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}
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mo := &firestormMerge{}
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for _, test := range tests {
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existingVal := test.existing.Value()
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actual, success := mo.FullMerge([]byte("key"), existingVal, test.operands)
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if success != test.success {
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t.Errorf("expected error %t, got %t", test.success, success)
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}
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expectedVal := test.result.Value()
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if !reflect.DeepEqual(expectedVal, actual) {
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t.Errorf("expected result %v, got %v", expectedVal, actual)
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}
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}
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}
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