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db_test.go
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db_test.go
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package minidb
import (
"math/rand"
"strconv"
"testing"
"time"
)
func TestOpen(t *testing.T) {
db, err := Open("/tmp/minidb")
if err != nil {
t.Error(err)
}
t.Log(db)
}
func TestMiniDB_Put(t *testing.T) {
db, err := Open("/tmp/minidb")
if err != nil {
t.Error(err)
}
rand.Seed(time.Now().UnixNano())
keyPrefix := "test_key_"
valPrefix := "test_val_"
for i := 0; i < 10000; i++ {
key := []byte(keyPrefix + strconv.Itoa(i%5))
val := []byte(valPrefix + strconv.FormatInt(rand.Int63(), 10))
err = db.Put(key, val)
}
if err != nil {
t.Log(err)
}
}
func TestMiniDB_Get(t *testing.T) {
db, err := Open("/tmp/minidb")
if err != nil {
t.Error(err)
}
getVal := func(key []byte) {
val, err := db.Get(key)
if err != nil {
t.Error("read val err: ", err)
} else {
t.Logf("key = %s, val = %s\n", string(key), string(val))
}
}
getVal([]byte("test_key_0"))
getVal([]byte("test_key_1"))
getVal([]byte("test_key_2"))
getVal([]byte("test_key_3"))
getVal([]byte("test_key_4"))
_, err = db.Get([]byte("test_key_5"))
if err == nil {
t.Error("expected test_Key_5 does not exist")
}
}
func TestMiniDB_Del(t *testing.T) {
db, err := Open("/tmp/minidb")
if err != nil {
t.Error(err)
}
key := []byte("test_key_78")
err = db.Del(key)
if err != nil {
t.Error("del err: ", err)
}
}
func TestMiniDB_Merge(t *testing.T) {
db, err := Open("/tmp/minidb")
if err != nil {
t.Error(err)
}
err = db.Merge()
if err != nil {
t.Error("merge err: ", err)
}
}