a9c07acbfa
refactor to share code in emulated batch refactor to share code in emulated merge refactor index kvstore benchmarks to share more code refactor index kvstore benchmarks to be more repeatable
273 lines
5.2 KiB
Go
273 lines
5.2 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 boltdb
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import (
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"os"
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"reflect"
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"testing"
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"github.com/blevesearch/bleve/index/store"
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)
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func TestStore(t *testing.T) {
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s := New("test", "bleve")
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err := s.Open()
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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err := os.RemoveAll("test")
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if err != nil {
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t.Fatal(err)
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}
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}()
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CommonTestKVStore(t, s)
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}
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func TestReaderIsolation(t *testing.T) {
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s := New("test", "bleve")
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err := s.Open()
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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err := os.RemoveAll("test")
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if err != nil {
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t.Fatal(err)
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}
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}()
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CommonTestReaderIsolation(t, s)
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}
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func CommonTestKVStore(t *testing.T, s store.KVStore) {
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writer, err := s.Writer()
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if err != nil {
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t.Error(err)
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}
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err = writer.Set([]byte("a"), []byte("val-a"))
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if err != nil {
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t.Fatal(err)
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}
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err = writer.Set([]byte("z"), []byte("val-z"))
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if err != nil {
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t.Fatal(err)
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}
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err = writer.Delete([]byte("z"))
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if err != nil {
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t.Fatal(err)
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}
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batch := writer.NewBatch()
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batch.Set([]byte("b"), []byte("val-b"))
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batch.Set([]byte("c"), []byte("val-c"))
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batch.Set([]byte("d"), []byte("val-d"))
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batch.Set([]byte("e"), []byte("val-e"))
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batch.Set([]byte("f"), []byte("val-f"))
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batch.Set([]byte("g"), []byte("val-g"))
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batch.Set([]byte("h"), []byte("val-h"))
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batch.Set([]byte("i"), []byte("val-i"))
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batch.Set([]byte("j"), []byte("val-j"))
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err = batch.Execute()
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if err != nil {
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t.Fatal(err)
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}
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err = writer.Close()
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if err != nil {
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t.Fatal(err)
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}
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reader, err := s.Reader()
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if err != nil {
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t.Error(err)
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}
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defer func() {
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err := reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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it := reader.Iterator([]byte("b"))
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key, val, valid := it.Current()
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if !valid {
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t.Fatalf("valid false, expected true")
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}
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if string(key) != "b" {
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t.Fatalf("expected key b, got %s", key)
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}
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if string(val) != "val-b" {
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t.Fatalf("expected value val-b, got %s", val)
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}
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it.Next()
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key, val, valid = it.Current()
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if !valid {
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t.Fatalf("valid false, expected true")
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}
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if string(key) != "c" {
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t.Fatalf("expected key c, got %s", key)
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}
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if string(val) != "val-c" {
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t.Fatalf("expected value val-c, got %s", val)
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}
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it.Seek([]byte("i"))
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key, val, valid = it.Current()
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if !valid {
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t.Fatalf("valid false, expected true")
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}
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if string(key) != "i" {
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t.Fatalf("expected key i, got %s", key)
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}
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if string(val) != "val-i" {
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t.Fatalf("expected value val-i, got %s", val)
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}
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err = it.Close()
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if err != nil {
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t.Fatal(err)
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}
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}
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func CommonTestReaderIsolation(t *testing.T, s store.KVStore) {
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// insert a kv pair
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writer, err := s.Writer()
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if err != nil {
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t.Error(err)
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}
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err = writer.Set([]byte("a"), []byte("val-a"))
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if err != nil {
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t.Fatal(err)
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}
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err = writer.Close()
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if err != nil {
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t.Fatal(err)
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}
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// create an isolated reader
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reader, err := s.Reader()
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if err != nil {
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t.Error(err)
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}
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defer func() {
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err := reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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// verify that we see the value already inserted
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val, err := reader.Get([]byte("a"))
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if err != nil {
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t.Error(err)
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}
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if !reflect.DeepEqual(val, []byte("val-a")) {
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t.Errorf("expected val-a, got nil")
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}
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// verify that an iterator sees it
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count := 0
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it := reader.Iterator([]byte{0})
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defer func() {
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err := it.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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for it.Valid() {
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it.Next()
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count++
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}
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if count != 1 {
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t.Errorf("expected iterator to see 1, saw %d", count)
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}
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// add something after the reader was created
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writer, err = s.Writer()
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if err != nil {
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t.Error(err)
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}
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err = writer.Set([]byte("b"), []byte("val-b"))
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if err != nil {
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t.Fatal(err)
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}
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err = writer.Close()
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if err != nil {
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t.Fatal(err)
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}
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// ensure that a newer reader sees it
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newReader, err := s.Reader()
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if err != nil {
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t.Error(err)
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}
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defer func() {
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err := newReader.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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val, err = newReader.Get([]byte("b"))
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if err != nil {
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t.Error(err)
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}
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if !reflect.DeepEqual(val, []byte("val-b")) {
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t.Errorf("expected val-b, got nil")
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}
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// ensure that the director iterator sees it
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count = 0
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it2 := newReader.Iterator([]byte{0})
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defer func() {
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err := it2.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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for it2.Valid() {
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it2.Next()
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count++
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}
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if count != 2 {
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t.Errorf("expected iterator to see 2, saw %d", count)
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}
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// but that the isolated reader does not
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val, err = reader.Get([]byte("b"))
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if err != nil {
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t.Error(err)
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}
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if val != nil {
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t.Errorf("expected nil, got %v", val)
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}
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// and ensure that the iterator on the isolated reader also does not
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count = 0
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it3 := reader.Iterator([]byte{0})
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defer func() {
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err := it3.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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for it3.Valid() {
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it3.Next()
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count++
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}
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if count != 1 {
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t.Errorf("expected iterator to see 1, saw %d", count)
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}
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}
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