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Implement list and fix test

master
bel 2019-06-21 17:57:00 -06:00
parent ade973d19d
commit 52479ed8a0
12 changed files with 161 additions and 29 deletions
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14
cache.go
View File

@ -1,7 +1,6 @@
package storage
import (
"errors"
"os"
"path"
"time"
@ -27,7 +26,18 @@ func NewCache(path ...string) (*Cache, error) {
}
func (c *Cache) List(ns []string, limits ...string) ([]string, error) {
return nil, errors.New("not impl")
namespace := resolveNamespace(ns)
limits = resolveLimits(limits)
limits[0] = path.Join(namespace, limits[0])
limits[1] = path.Join(namespace, limits[1])
m := c.db.Items()
keys := []string{}
for k := range m {
if k >= limits[0] && k <= limits[1] {
keys = append(keys, k)
}
}
return keys, nil
}
func (c *Cache) Get(key string, ns ...string) ([]byte, error) {

8
cli/main.go
View File

@ -13,8 +13,8 @@ import (
func main() {
as := args.NewArgSet()
as.Append(args.STRING, "addr", "addr of store", "")
as.Append(args.STRING, "db", "type of store", "map")
as.Append(args.STRING, "addr", "addr of store", "localhost:8102")
as.Append(args.STRING, "db", "type of store", "dynomite")
as.Append(args.STRING, "user", "user of store", "")
as.Append(args.STRING, "pass", "pass of store", "")
as.Append(args.STRING, "do", "[get set]", "get")
@ -37,6 +37,10 @@ func main() {
start := time.Now()
var b []byte
switch strings.ToLower(as.Get("do").GetString()) {
case "list":
var c []string
c, err = db.List(nil, as.Get("k").GetString())
b = []byte(fmt.Sprintf("%v", c))
case "get":
b, err = db.Get(as.Get("k").GetString())
case "set":

2
db.go
View File

@ -22,6 +22,8 @@ func New(key Type, params ...string) (db DB, err error) {
}()
err = ErrNotImpl
switch key {
case DYNOMITE:
db, err = NewDynomite(params[0], params[1], params[2])
case REDIS:
db, err = NewRedis(params[0], params[1], params[2])
case MAP:

42
db_test.go
View File

@ -7,6 +7,7 @@ import (
"net"
"os"
"path"
"strings"
"sync"
"testing"
)
@ -16,10 +17,13 @@ type mock struct {
}
func (mock *mock) List(ns []string, limits ...string) ([]string, error) {
limits = resolveLimits(limits)
keys := []string{}
for k := range mock.m {
if k >= limits[0] && k <= limits[1] {
keys = append(keys, k)
}
}
return keys, nil
}
@ -66,8 +70,14 @@ func TestImplementations(t *testing.T) {
cases = append(cases, cacheFile)
}
if redis, err := NewRedis("localhost:6379", "", ""); err != nil {
t.Errorf("cannot make redis: %v", err)
if dynomite, err := NewDynomite("localhost:8102", "", ""); err != nil {
t.Logf("cannot make dynomite: %v", err)
} else {
cases = append(cases, dynomite)
}
if redis, err := NewRedis("localhost:8103", "", ""); err != nil {
t.Logf("cannot make redis: %v", err)
} else {
cases = append(cases, redis)
}
@ -97,7 +107,7 @@ func TestImplementations(t *testing.T) {
}()
}
if riak, err := NewRiak("localhost:8087"); err != nil {
t.Errorf("cannot make riak: %v", err)
t.Logf("cannot make riak: %v", err)
} else {
cases = append(cases, riak)
}
@ -119,23 +129,23 @@ func TestImplementations(t *testing.T) {
} else if mongo2, err := NewMongo("localhost:27017", "root", "pass"); err == nil {
cases = append(cases, mongo2)
} else {
t.Errorf("cannot make mongo: %v", err)
t.Logf("cannot make mongo: %v", err)
}
if memcache, err := NewMemcache("localhost:11211"); err != nil {
t.Errorf("cannot make memcache: %v", err)
t.Logf("cannot make memcache: %v", err)
} else {
cases = append(cases, memcache)
}
if memcacheCluster, err := NewMemcacheCluster("localhost:11211"); err != nil {
t.Errorf("cannot make memcacheCluster: %v", err)
t.Logf("cannot make memcacheCluster: %v", err)
} else {
cases = append(cases, memcacheCluster)
}
if minio, err := NewMinio("localhost:9000", "accesskey", "secretkey"); err != nil {
t.Errorf("cannot make minio: %v", err)
t.Logf("cannot make minio: %v", err)
} else {
cases = append(cases, minio)
}
@ -145,20 +155,20 @@ func TestImplementations(t *testing.T) {
for _, db := range cases {
if err := db.Set(validKey, validValue); err != nil {
t.Errorf("cannot set %T: %v", db, err)
t.Errorf("%T) cannot set: %v", db, err)
}
if v, err := db.Get(validKey); err != nil {
t.Errorf("cannot get %T: %v", db, err)
t.Errorf("%T) cannot get: %v", db, err)
} else if !bytes.Equal(v, validValue) {
t.Errorf("wrong get %T: %q vs %q", db, v, validValue)
t.Errorf("%T) wrong get: %q vs %q", db, v, validValue)
} else if keys, err := db.List(nil); err != nil || len(keys) < 1 {
t.Errorf("cannot List(): %v", err)
} else if keys[0] != validKey {
t.Errorf("List()[0] != %s: %s", validKey, keys[0])
t.Errorf("%T) cannot List(): %v", db, err)
} else if !strings.Contains(keys[0], validKey) {
t.Errorf("%T) List()[0] != %s: %s", db, validKey, keys[0])
} else if keys, err := db.List(nil, validKey[:1]); err != nil || len(keys) < 1 {
t.Errorf("cannot List(prefix): %v", err)
} else if keys[0] != validKey {
t.Errorf("List(prefix)[0] != %s: %s", validKey, keys[0])
t.Errorf("%T) cannot List(prefix): %v", db, err)
} else if !strings.Contains(keys[0], validKey) {
t.Errorf("%T) List(prefix)[0] != %s: %s", db, validKey, keys[0])
} else {
t.Logf("%25T GET: %s", db, v)
}

10
dynomite.go Normal file
View File

@ -0,0 +1,10 @@
package storage
type Dynomite struct {
*Redis
}
func NewDynomite(addr, user, pass string) (*Dynomite, error) {
r, err := NewRedis(addr, user, pass)
return &Dynomite{Redis: r}, err
}

15
leveldb.go
View File

@ -23,12 +23,23 @@ func NewLevelDB(path string) (*LevelDB, error) {
}
func (ldb *LevelDB) List(ns []string, limits ...string) ([]string, error) {
namespace := resolveNamespace(ns)
limits = resolveLimits(limits)
limits[0] = path.Join(namespace, limits[0])
limits[1] = path.Join(namespace, limits[1])
keys := []string{}
r := util.BytesPrefix([]byte{})
r := util.BytesPrefix([]byte(namespace))
it := ldb.db.NewIterator(r, nil)
defer it.Release()
for it.Next() {
keys = append(keys, string(it.Key()))
k := string(it.Key())
if k < limits[0] {
continue
} else if k > limits[1] {
break
}
keys = append(keys, k)
}
err := it.Error()
return keys, err

16
map.go
View File

@ -1,7 +1,6 @@
package storage
import (
"errors"
"fmt"
)
@ -30,7 +29,20 @@ func (m *Map) Close() error {
}
func (m *Map) List(ns []string, limits ...string) ([]string, error) {
return nil, errors.New("not impl")
namespace := resolveNamespace(ns)
limits = resolveLimits(limits)
keys := []string{}
if _, ok := (*m)[namespace]; !ok {
return nil, nil
}
for k := range (*m)[namespace] {
if k >= limits[0] && k <= limits[1] {
keys = append(keys, k)
}
}
return keys, nil
}
func (m *Map) Get(key string, ns ...string) ([]byte, error) {

16
minio.go
View File

@ -2,7 +2,6 @@ package storage
import (
"bytes"
"errors"
"io/ioutil"
"strings"
@ -19,7 +18,20 @@ func NewMinio(addr, user, pass string) (*Minio, error) {
}
func (m *Minio) List(ns []string, limits ...string) ([]string, error) {
return nil, errors.New("not impl")
namespace := resolveNamespace(ns)
limits = resolveLimits(limits)
done := make(chan struct{})
defer close(done)
keys := []string{}
for resp := range m.db.ListObjects(namespace, "", true, done) {
if resp.Key < limits[0] {
continue
} else if resp.Key > limits[1] {
break
}
keys = append(keys, resp.Key)
}
return keys, nil
}
func (m *Minio) Get(key string, ns ...string) ([]byte, error) {

31
mongo.go
View File

@ -55,7 +55,36 @@ func NewMongo(addr string, auth ...string) (*Mongo, error) {
}
func (mg *Mongo) List(ns []string, limits ...string) ([]string, error) {
return nil, errors.New("not impl")
namespace := resolveNamespace(ns)
limits = resolveLimits(limits)
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
defer cancel()
collection := mg.db.Database(DefaultNamespace).Collection(namespace)
filter := bson.M{"_id": bson.M{
"$gte": limits[0],
"$lte": limits[1],
}}
projection := bson.M{"_id": 1}
cursor, err := collection.Find(ctx, filter, options.Find().SetProjection(projection))
if err != nil {
return nil, err
}
defer cursor.Close(ctx)
keys := []string{}
for cursor.Next(ctx) {
var elem bson.Raw
if err := cursor.Decode(&elem); err != nil {
return nil, err
}
if raw, err := elem.LookupErr("_id"); err != nil {
return nil, err
} else if s, ok := raw.StringValueOK(); !ok {
return nil, errors.New("_id is not a string")
} else {
keys = append(keys, s)
}
}
return keys, nil
}
func (mg *Mongo) Get(key string, ns ...string) ([]byte, error) {

30
redis.go
View File

@ -33,7 +33,35 @@ func (m *Redis) Close() error {
}
func (m *Redis) List(ns []string, limits ...string) ([]string, error) {
return nil, errors.New("not impl")
limits = resolveLimits(limits)
limits[0] = resolveNamespace(append(ns, limits[0]))
limits[1] = resolveNamespace(append(ns, limits[1]))
resp, err := m.client.Do("KEYS", "*")
if err != nil {
return nil, err
}
keys := []string{}
if results, ok := resp.([]interface{}); !ok {
return nil, ErrNotFound
} else {
for i := range results {
_, ok := results[i].([]uint8)
if !ok {
return nil, errors.New("not a []byte key")
}
k := fmt.Sprintf("%s", results[i])
if k < limits[0] {
continue
}
if k > limits[1] {
break
}
keys = append(keys, k)
}
}
return keys, nil
}
func (m *Redis) Get(key string, ns ...string) ([]byte, error) {

1
riak.go
View File

@ -11,6 +11,7 @@ type Riak struct {
}
func NewRiak(addr string, addrs ...string) (*Riak, error) {
return nil, ErrNotImpl
clientOpts := &riak.NewClientOptions{
RemoteAddresses: append(addrs, addr),
}

3
type.go
View File

@ -9,6 +9,7 @@ type Type int
const (
MAP = Type(iota)
REDIS = Type(iota)
DYNOMITE = Type(iota)
BOLT = Type(iota)
COCKROACH = Type(iota)
CACHE = Type(iota)
@ -21,6 +22,8 @@ const (
func (t Type) String() string {
switch t {
case DYNOMITE:
return "dynomite"
case REDIS:
return "redis"
case MAP: