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bitcask_test.go
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bitcask_test.go
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package bitcask_go
import (
"math/rand"
"os"
"testing"
)
const (
testDirPath = "/home/jwzh/testData"
M int = 1024 * 1024 * 1024 // 1G
K int = 1024
)
var O Options = Options{
MaxFileSize: 1024 * 1024,
MergeWindow: [2]int{0, 23},
MergeTrigger: 0.6,
Path: testDirPath,
}
type TestKeyValue struct {
key string
value []byte
ksz, vsz int32
}
var Testdata = []TestKeyValue{
TestKeyValue{"key1", []byte("value1"), 4, 6},
TestKeyValue{"key2", []byte("value3"), 4, 6},
}
func genValue(size int) []byte {
v := make([]byte, size)
for i := 0; i < size; i++ {
v[i] = uint8((rand.Int() % 26) + 97) // a-z
}
return v
}
func TestBCOpen(t *testing.T) {
b, err := NewBitcask(O)
defer os.RemoveAll(b.Path)
if err != nil {
t.Errorf("Error \"%q\" while opening directory \"%q\"", err.Error(), "testkv")
}
err = b.Close()
if err != nil {
t.Errorf("Error \"%q\" while closing casket", err.Error())
}
}
func TestBC(t *testing.T) {
b, _ := NewBitcask(O)
// defer os.RemoveAll(b.path)
for _, kv := range Testdata {
err := b.Set(kv.key, kv.value)
if err != nil {
t.Fatalf("Error %s while Seting %s", err.Error(), kv.key)
}
}
b.Sync()
for _, kv := range Testdata {
v, err := b.Get(kv.key)
if err != nil {
t.Fatalf("Error %s while Geting %s", err.Error(), kv.key)
}
if string(v) != string(kv.value) {
t.Fatalf("Exptected %s, got %s", string(kv.value), string(v))
}
}
}
func TestKeys(t *testing.T) {
b, _ := NewBitcask(O)
// defer os.RemoveAll(b.path)
for _, kv := range Testdata {
err := b.Set(kv.key, kv.value)
if err != nil {
t.Fatalf("Error %s while Seting %s", err.Error(), kv.key)
}
}
b.Sync()
for key := range b.Keys() {
println(key)
}
}
func BenchmarkSet1K(t *testing.B) {
benchSet(t, K)
}
func BenchmarkSet1M(t *testing.B) {
benchSet(t, K)
}
func BenchmarkGet1K(t *testing.B) {
benchGet(t, K)
}
func BenchmarkGet1M(t *testing.B) {
benchGet(t, M)
}
func benchSet(t *testing.B, size int) {
//os.RemoveAll(testDirPath)
b, _ := NewBitcask(O)
value := genValue(size)
t.SetBytes(int64(size))
t.StartTimer()
for i := 0; i < t.N; i++ {
b.Set(string(i), value)
}
t.StopTimer()
b.Close()
}
func benchGet(t *testing.B, size int) {
b, _ := NewBitcask(O)
t.SetBytes(int64(size))
t.StartTimer()
for i := 0; i < t.N; i++ {
b.Get(string(i))
}
t.StopTimer()
b.Close()
}