Initial v2 version, better testing, updates
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This commit is contained in:
Tyler 2023-02-04 20:22:41 -05:00
parent 68bbfbacd0
commit 41d0ef3d97
27 changed files with 1094 additions and 681 deletions

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@ -6,4 +6,6 @@ steps:
- name: test
image: golang
commands:
- go test
- go mod download
- go install github.com/onsi/ginkgo/v2/ginkgo
- ginkgo -r .

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@ -48,8 +48,8 @@ The CacheInterface interface has all methods. All drivers will implement this on
```go
type CacheInterface interface {
Has(key string) bool
Get(key string, dst ...interface{}) ([]byte, error)
Set(key string, val interface{}, ttl time.Duration) (err error)
Get(key string, dst ...any) ([]byte, error)
Set(key string, val any, ttl time.Duration) (err error)
Del(key string) error
}
```

138
cache.go
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@ -2,33 +2,51 @@ package cache
import (
"errors"
"github.com/vmihailenco/msgpack/v4"
"meow.tf/go/cacheinterface/v2/driver/lru"
"meow.tf/go/cacheinterface/v2/driver/memcache"
"meow.tf/go/cacheinterface/v2/driver/memory"
"meow.tf/go/cacheinterface/v2/driver/redis"
"net"
"net/url"
"strconv"
"strings"
"time"
)
type Type string
const (
Memcache = "memcache"
Redis = "redis"
Memory = "memory"
Lru = "lru"
TypeMemcache Type = "memcache"
TypeRedis Type = "redis"
TypeMemory Type = "memory"
TypeLru Type = "lru"
)
var (
ErrInvalidDriver = errors.New("invalid driver")
)
type CacheInterface interface {
func init() {
var err error
if err != nil {
panic(err)
}
}
type Driver interface {
Has(key string) bool
Get(key string, dst ...interface{}) ([]byte, error)
Set(key string, val interface{}, ttl time.Duration) (err error)
Get(key string, dst any) error
GetBytes(key string) ([]byte, error)
Set(key string, val any, ttl time.Duration) (err error)
Del(key string) error
}
func New(uri string) (CacheInterface, error) {
type (
Marshaller func(val any) ([]byte, error)
Unmarshaler func(b []byte, dest any) error
)
func New(uri string) (Driver, error) {
u, err := url.Parse(uri)
if err != nil {
@ -37,94 +55,50 @@ func New(uri string) (CacheInterface, error) {
query := u.Query()
switch u.Scheme {
case Redis:
switch Type(u.Scheme) {
case TypeRedis:
port := u.Port()
if port == "" {
port = "6379"
}
return NewRedisCache(RedisSettings{
Address: net.JoinHostPort(u.Hostname(), port),
Password: query.Get("password"),
})
case Memcache:
return NewMemcacheCache(MemcacheSettings{
Servers: strings.Split(u.Host, ","),
})
case Memory:
cleanupTime := query.Get("cleanupTime")
var settings redis.Options
if cleanupTime == "" {
cleanupTime = "30"
}
i, err := strconv.Atoi(cleanupTime)
if err != nil {
if err = decodeQuery(query, &settings); err != nil {
return nil, err
}
return NewMemoryCache(time.Duration(i) * time.Second)
case Lru:
size := query.Get("size")
settings.Address = net.JoinHostPort(u.Hostname(), port)
if size == "" {
size = "128"
}
return redis.New(settings)
case TypeMemcache:
var options memcache.Options
i, err := strconv.Atoi(size)
if err != nil {
if err = decodeQuery(query, &options); err != nil {
return nil, err
}
return NewLruCache(i)
options.Servers = strings.Split(u.Host, ",")
return memcache.New(options)
case TypeMemory:
var options memory.Options
if err = decodeQuery(query, &options); err != nil {
return nil, err
}
return memory.New(options)
case TypeLru:
var options lru.Options
if err = decodeQuery(query, &options); err != nil {
return nil, err
}
return lru.New(options)
}
return nil, ErrInvalidDriver
}
func encodeValue(val interface{}) ([]byte, error) {
var v []byte
if b, ok := val.([]byte); ok {
v = b
} else if s, ok := val.(string); ok {
b = []byte(s)
} else {
b, err := msgpack.Marshal(val)
if err != nil {
return nil, err
}
v = b
}
return v, nil
}
func decodeDst(b []byte, v interface{}) ([]byte, error) {
switch v := v.(type) {
case *[]byte:
if v != nil {
*v = b
return b, nil
}
case *string:
if v != nil {
*v = string(b)
return b, nil
}
}
err := msgpack.Unmarshal(b, v)
if err != nil {
return nil, err
}
return b, nil
}

39
cache_test.go Normal file
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@ -0,0 +1,39 @@
package cache
import (
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"meow.tf/go/cacheinterface/v2/driver/lru"
"meow.tf/go/cacheinterface/v2/driver/memcache"
"meow.tf/go/cacheinterface/v2/driver/memory"
"meow.tf/go/cacheinterface/v2/driver/redis"
)
var _ = Describe("Cache test", func() {
Context("URI Parsing", func() {
It("Should parse a Redis URI", func() {
c, err := New("redis://")
Expect(err).To(BeNil())
Expect(c).To(BeAssignableToTypeOf(&redis.Cache{}))
})
It("Should parse a Memcache URI", func() {
c, err := New("memcache://")
Expect(err).To(BeNil())
Expect(c).To(BeAssignableToTypeOf(&memcache.Cache{}))
})
It("Should parse a LRU URI", func() {
c, err := New("lru://")
Expect(err).To(BeNil())
Expect(c).To(BeAssignableToTypeOf(&lru.Cache{}))
})
It("Should parse a Memory URI", func() {
c, err := New("memory://")
Expect(err).To(BeNil())
Expect(c).To(BeAssignableToTypeOf(&memory.Cache{}))
})
})
})

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@ -0,0 +1,13 @@
package cache_test
import (
"testing"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
func TestCacheInterface(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "CacheInterface Suite")
}

67
driver/lru/lru.go Normal file
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@ -0,0 +1,67 @@
package lru
import (
"github.com/hashicorp/golang-lru"
"meow.tf/go/cacheinterface/v2/driver/memory"
"meow.tf/go/cacheinterface/v2/encoder"
"time"
)
type Options struct {
Encoder encoder.Encoder `query:"encoder" default:"msgpack"`
Size int `query:"size" default:"128"`
}
type Cache struct {
options Options
c *lru.Cache
}
func New(options Options) (*Cache, error) {
c, err := lru.New(options.Size)
if err != nil {
return nil, err
}
return &Cache{
options: options,
c: c,
}, nil
}
func (mc *Cache) Has(key string) bool {
_, exists := mc.c.Get(key)
return exists
}
func (mc *Cache) Get(key string, dst any) error {
item, exists := mc.c.Get(key)
if !exists {
return memory.ErrNotExist
}
return memory.CacheGet(item, dst)
}
func (mc *Cache) GetBytes(key string) ([]byte, error) {
item, exists := mc.c.Get(key)
if !exists {
return nil, memory.ErrNotExist
}
return memory.CacheGetBytes(mc.options.Encoder, item)
}
func (mc *Cache) Set(key string, val any, ttl time.Duration) error {
mc.c.Add(key, val)
return nil
}
func (mc *Cache) Del(key string) error {
mc.c.Remove(key)
return nil
}

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@ -0,0 +1,13 @@
package lru_test
import (
"testing"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
func TestLru(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Lru Suite")
}

66
driver/lru/lru_test.go Normal file
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@ -0,0 +1,66 @@
package lru
import (
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"meow.tf/go/cacheinterface/v2/encoder"
"time"
)
var _ = Describe("LRU driver", func() {
Context("Basic operations", func() {
var (
cache *Cache
)
BeforeEach(func() {
var err error
cache, err = New(Options{
Encoder: encoder.JSON,
Size: 128,
})
Expect(err).To(BeNil())
})
It("Should store a value in the cache", func() {
value := "test"
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
})
It("Should get a value from the cache", func() {
value := "test"
var newValue string
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
Expect(cache.Get("test", &newValue)).To(BeNil())
Expect(newValue).To(Equal(value))
})
It("Should get a value from the cache as bytes", func() {
value := "test"
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
newValue, err := cache.GetBytes("test")
Expect(err).To(BeNil())
Expect(newValue).To(Equal([]byte(value)))
})
It("Should check if the cache has a value", func() {
value := "test"
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
Expect(cache.Has("test")).To(BeTrue())
})
It("Should delete a value from the cache", func() {
value := "test"
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
Expect(cache.Has("test")).To(BeTrue())
Expect(cache.Del("test")).To(BeNil())
Expect(cache.Has("test")).To(BeFalse())
})
})
})

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@ -0,0 +1,68 @@
package memcache
import (
"github.com/bradfitz/gomemcache/memcache"
"meow.tf/go/cacheinterface/v2/encoder"
"time"
)
type Options struct {
Encoder encoder.Encoder `query:"encoder" default:"msgpack"`
Servers []string `default:"127.0.0.1:11211"`
}
type Cache struct {
options Options
servers []string
client *memcache.Client
}
func New(options Options) (*Cache, error) {
client := memcache.New(options.Servers...)
return &Cache{
options: options,
servers: options.Servers,
client: client,
}, nil
}
func (mc *Cache) Has(key string) bool {
_, err := mc.client.Get(key)
return err != nil
}
func (mc *Cache) Get(key string, dst any) error {
item, err := mc.client.Get(key)
if err != nil {
return err
}
return encoder.DecodeValue(mc.options.Encoder, item.Value, dst)
}
func (mc *Cache) GetBytes(key string) ([]byte, error) {
item, err := mc.client.Get(key)
if err != nil {
return nil, err
}
return item.Value, nil
}
func (mc *Cache) Set(key string, val any, ttl time.Duration) error {
v, err := encoder.EncodeValue(mc.options.Encoder, val)
if err != nil {
return err
}
return mc.client.Set(&memcache.Item{Key: key, Value: v, Expiration: int32(ttl.Seconds())})
}
func (mc *Cache) Del(key string) error {
return mc.client.Delete(key)
}

199
driver/memory/memory.go Normal file
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@ -0,0 +1,199 @@
package memory
import (
"errors"
"github.com/patrickmn/go-cache"
"meow.tf/go/cacheinterface/v2/encoder"
"reflect"
"time"
)
var (
ErrNotExist = errors.New("item does not exist")
)
type Options struct {
Encoder encoder.Encoder `query:"encoder" default:"msgpack"`
DefaultExpiration time.Duration `query:"defaultExpiration"`
CleanupTime time.Duration `query:"cleanupTime" default:"5m"`
}
type Cache struct {
options Options
c *cache.Cache
}
func New(options Options) (*Cache, error) {
c := cache.New(1*time.Minute, options.CleanupTime)
return &Cache{
options: options,
c: c,
}, nil
}
func (mc *Cache) Has(key string) bool {
_, exists := mc.c.Get(key)
return exists
}
func (mc *Cache) Get(key string, dst any) error {
item, exists := mc.c.Get(key)
if !exists {
return ErrNotExist
}
return CacheGet(item, dst)
}
func (mc *Cache) GetBytes(key string) ([]byte, error) {
item, exists := mc.c.Get(key)
if !exists {
return nil, ErrNotExist
}
return CacheGetBytes(mc.options.Encoder, item)
}
func (mc *Cache) Set(key string, val any, ttl time.Duration) error {
mc.c.Set(key, val, ttl)
return nil
}
func (mc *Cache) Del(key string) error {
mc.c.Delete(key)
return nil
}
func CacheGetBytes(encoder encoder.Encoder, item any) ([]byte, error) {
switch item.(type) {
case string:
return []byte(item.(string)), nil
case []byte:
return item.([]byte), nil
}
return encoder.Marshal(item)
}
func CacheGet(item any, v any) error {
switch v := v.(type) {
case *string:
if v != nil {
*v = item.(string)
return nil
}
case *[]byte:
if v != nil {
*v = item.([]byte)
return nil
}
case *int:
if v != nil {
*v = item.(int)
return nil
}
case *int8:
if v != nil {
*v = item.(int8)
return nil
}
case *int16:
if v != nil {
*v = item.(int16)
return nil
}
case *int32:
if v != nil {
*v = item.(int32)
return nil
}
case *int64:
if v != nil {
*v = item.(int64)
return nil
}
case *uint:
if v != nil {
*v = item.(uint)
return nil
}
case *uint8:
if v != nil {
*v = item.(uint8)
return nil
}
case *uint16:
if v != nil {
*v = item.(uint16)
return nil
}
case *uint32:
if v != nil {
*v = item.(uint32)
return nil
}
case *uint64:
if v != nil {
*v = item.(uint64)
return nil
}
case *bool:
if v != nil {
*v = item.(bool)
return nil
}
case *float32:
if v != nil {
*v = item.(float32)
return nil
}
case *float64:
if v != nil {
*v = item.(float64)
return nil
}
case *[]string:
*v = item.([]string)
return nil
case *map[string]string:
*v = item.(map[string]string)
return nil
case *map[string]any:
*v = item.(map[string]any)
return nil
case *time.Duration:
if v != nil {
*v = item.(time.Duration)
return nil
}
case *time.Time:
if v != nil {
*v = item.(time.Time)
return nil
}
}
vv := reflect.ValueOf(v)
if !vv.IsValid() {
return errors.New("dst pointer is not valid")
}
if vv.Kind() != reflect.Ptr {
return errors.New("dst pointer is not a pointer")
}
vv = vv.Elem()
if !vv.IsValid() {
return errors.New("dst pointer is not a valid element")
}
vv.Set(reflect.ValueOf(item))
return nil
}

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@ -0,0 +1,13 @@
package memory_test
import (
"testing"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
func TestMemory(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Memory Suite")
}

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@ -0,0 +1,65 @@
package memory
import (
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"meow.tf/go/cacheinterface/v2/encoder"
"time"
)
var _ = Describe("Memory driver", func() {
Context("Basic operations", func() {
var (
cache *Cache
)
BeforeEach(func() {
var err error
cache, err = New(Options{
Encoder: encoder.JSON,
})
Expect(err).To(BeNil())
})
It("Should store a value in the cache", func() {
value := "test"
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
})
It("Should get a value from the cache", func() {
value := "test"
var newValue string
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
Expect(cache.Get("test", &newValue)).To(BeNil())
Expect(newValue).To(Equal(value))
})
It("Should get a value from the cache as bytes", func() {
value := "test"
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
newValue, err := cache.GetBytes("test")
Expect(err).To(BeNil())
Expect(newValue).To(Equal([]byte(value)))
})
It("Should check if the cache has a value", func() {
value := "test"
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
Expect(cache.Has("test")).To(BeTrue())
})
It("Should delete a value from the cache", func() {
value := "test"
Expect(cache.Set("test", value, time.Minute)).To(BeNil())
Expect(cache.Has("test")).To(BeTrue())
Expect(cache.Del("test")).To(BeNil())
Expect(cache.Has("test")).To(BeFalse())
})
})
})

73
driver/redis/redis.go Normal file
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@ -0,0 +1,73 @@
package redis
import (
"github.com/hoisie/redis"
"meow.tf/go/cacheinterface/v2/encoder"
"time"
)
type Options struct {
Encoder encoder.Encoder `query:"encoder" default:"msgpack"`
Address string `default:"127.0.0.1"`
DB int `default:"0" query:"db"`
Password string `query:"password"`
}
type Cache struct {
options Options
client *redis.Client
}
func New(options Options) (*Cache, error) {
rc := &redis.Client{
Addr: options.Address,
Db: options.DB,
Password: options.Password,
}
return &Cache{
options: options,
client: rc,
}, nil
}
func (rc *Cache) Has(key string) bool {
b, _ := rc.client.Exists(key)
return b
}
func (rc *Cache) Get(key string, dst any) error {
b, err := rc.client.Get(key)
if err != nil {
return err
}
return encoder.DecodeValue(rc.options.Encoder, b, dst)
}
func (rc *Cache) GetBytes(key string) ([]byte, error) {
b, err := rc.client.Get(key)
if err != nil {
return nil, err
}
return b, nil
}
func (rc *Cache) Set(key string, val any, ttl time.Duration) error {
v, err := encoder.EncodeValue(rc.options.Encoder, val)
if err != nil {
return err
}
return rc.client.Setex(key, int64(ttl.Seconds()), v)
}
func (rc *Cache) Del(key string) error {
_, err := rc.client.Del(key)
return err
}

32
encoder/binary.go Normal file
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@ -0,0 +1,32 @@
package encoder
func EncodeValue(encoder Encoder, val any) ([]byte, error) {
var v []byte
if b, ok := val.([]byte); ok {
v = b
} else if s, ok := val.(string); ok {
b = []byte(s)
} else {
return encoder.Marshal(val)
}
return v, nil
}
func DecodeValue(encoder Encoder, b []byte, v any) error {
switch v := v.(type) {
case *[]byte:
if v != nil {
*v = b
return nil
}
case *string:
if v != nil {
*v = string(b)
return nil
}
}
return encoder.Unmarshal(b, v)
}

66
encoder/encoding.go Normal file
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@ -0,0 +1,66 @@
package encoder
import (
"encoding/json"
"encoding/xml"
"github.com/vmihailenco/msgpack/v4"
)
var (
XML xmlEncoder
JSON jsonEncoder
MsgPack msgPackEncoder
)
func EncoderFrom(name string) Encoder {
var enc Encoder
switch name {
case "json":
enc = JSON
case "xml":
enc = XML
default: // Default is also msgpack
enc = MsgPack
}
return enc
}
type Encoder interface {
Unmarshal(b []byte, dest any) error
Marshal(value any) ([]byte, error)
}
type jsonEncoder struct {
}
func (j jsonEncoder) Marshal(value any) ([]byte, error) {
return json.Marshal(value)
}
func (j jsonEncoder) Unmarshal(b []byte, dest any) error {
return json.Unmarshal(b, dest)
}
type msgPackEncoder struct {
}
func (m msgPackEncoder) Marshal(value any) ([]byte, error) {
return msgpack.Marshal(value)
}
func (m msgPackEncoder) Unmarshal(b []byte, dest any) error {
return msgpack.Unmarshal(b, dest)
}
type xmlEncoder struct {
}
func (x xmlEncoder) Marshal(value any) ([]byte, error) {
return xml.Marshal(value)
}
func (x xmlEncoder) Unmarshal(b []byte, dest any) error {
return xml.Unmarshal(b, dest)
}

25
go.mod
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@ -1,6 +1,6 @@
module meow.tf/go/cacheinterface
module meow.tf/go/cacheinterface/v2
go 1.12
go 1.18
require (
github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b
@ -9,3 +9,24 @@ require (
github.com/patrickmn/go-cache v2.1.0+incompatible
github.com/vmihailenco/msgpack/v4 v4.2.0
)
require (
github.com/go-logr/logr v1.2.3 // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/google/go-cmp v0.5.9 // indirect
github.com/vmihailenco/tagparser v0.1.0 // indirect
golang.org/x/net v0.5.0 // indirect
golang.org/x/sys v0.4.0 // indirect
golang.org/x/text v0.6.0 // indirect
google.golang.org/appengine v1.6.1 // indirect
google.golang.org/protobuf v1.28.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)
require (
github.com/iancoleman/strcase v0.2.0
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
github.com/onsi/ginkgo/v2 v2.8.0
github.com/onsi/gomega v1.26.0
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
)

36
go.sum
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@ -1,17 +1,31 @@
github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b h1:L/QXpzIa3pOvUGt1D1lA5KjYhPBAN/3iWdP7xeFS9F0=
github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA=
github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/hashicorp/golang-lru v0.5.3 h1:YPkqC67at8FYaadspW/6uE0COsBxS2656RLEr8Bppgk=
github.com/hashicorp/golang-lru v0.5.3/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
github.com/hoisie/redis v0.0.0-20160730154456-b5c6e81454e0 h1:mjZV3MTu2A5gwfT5G9IIiLGdwZNciyVq5qqnmJJZ2JI=
github.com/hoisie/redis v0.0.0-20160730154456-b5c6e81454e0/go.mod h1:pMYMxVaKJqCDC1JUg/XbPJ4/fSazB25zORpFzqsIGIc=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/iancoleman/strcase v0.2.0 h1:05I4QRnGpI0m37iZQRuskXh+w77mr6Z41lwQzuHLwW0=
github.com/iancoleman/strcase v0.2.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
github.com/onsi/ginkgo/v2 v2.8.0 h1:pAM+oBNPrpXRs+E/8spkeGx9QgekbRVyr74EUvRVOUI=
github.com/onsi/ginkgo/v2 v2.8.0/go.mod h1:6JsQiECmxCa3V5st74AL/AmsV482EDdVrGaVW6z3oYU=
github.com/onsi/gomega v1.26.0 h1:03cDLK28U6hWvCAns6NeydX3zIm4SF3ci69ulidS32Q=
github.com/onsi/gomega v1.26.0/go.mod h1:r+zV744Re+DiYCIPRlYOTxn0YkOLcAnW8k1xXdMPGhM=
github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
github.com/vmihailenco/msgpack/v4 v4.2.0 h1:c4L4gd938BvSjSsfr9YahJcvasEf5JZ9W7rcEXfgyys=
@ -23,17 +37,31 @@ golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190724013045-ca1201d0de80 h1:Ao/3l156eZf2AW5wK8a7/smtodRU+gha3+BeqJ69lRk=
golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.5.0 h1:GyT4nK/YDHSqa1c4753ouYCDajOYKTja9Xb/OHtgvSw=
golang.org/x/net v0.5.0/go.mod h1:DivGGAXEgPSlEBzxGzZI+ZLohi+xUj054jfeKui00ws=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.4.0 h1:Zr2JFtRQNX3BCZ8YtxRE9hNJYC8J6I1MVbMg6owUp18=
golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.6.0 h1:3XmdazWV+ubf7QgHSTWeykHOci5oeekaGJBLkrkaw4k=
golang.org/x/text v0.6.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3I=
google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

46
lru.go
View File

@ -1,46 +0,0 @@
package cache
import (
"github.com/hashicorp/golang-lru"
"time"
)
type LruCache struct {
c *lru.Cache
}
func NewLruCache(size int) (CacheInterface, error) {
c, err := lru.New(size)
if err != nil {
return nil, err
}
return &LruCache{c: c}, nil
}
func (mc *LruCache) Has(key string) bool {
_, exists := mc.c.Get(key)
return exists
}
func (mc *LruCache) Get(key string, dst ...interface{}) ([]byte, error) {
item, exists := mc.c.Get(key)
if !exists {
return nil, ErrMemoryCacheNotExists
}
return memoryCacheGet(item, dst...)
}
func (mc *LruCache) Set(key string, val interface{}, ttl time.Duration) error {
mc.c.Add(key, val)
return nil
}
func (mc *LruCache) Del(key string) error {
mc.c.Remove(key)
return nil
}

View File

@ -1,96 +0,0 @@
package cache
import (
"testing"
"time"
)
func TestNew_LruURI(t *testing.T) {
cache, err := New("lru://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
if _, ok := cache.(*LruCache); !ok {
t.Fatal("Cache is not instance of MemoryCache")
}
}
func TestLruCache_Get(t *testing.T) {
cache, err := New("lru://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
obj := "test"
cache.Set("test", obj, time.Minute)
var new string
cache.Get("test", &new)
if obj != new {
t.Fatal("Expected", obj, "got", new)
}
}
func TestLruCache_GetRaw(t *testing.T) {
cache, err := New("lru://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
obj := "test"
cache.Set("test", obj, time.Minute)
v, err := cache.Get("test")
if err != nil {
t.Fatal("Unable to get value:", err)
}
new := string(v)
if obj != new {
t.Fatal("Expected", obj, "got", new)
}
}
func TestLruCache_Has(t *testing.T) {
cache, err := New("lru://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
cache.Set("test", "test", time.Minute)
if !cache.Has("test") {
t.Fatal("Expected cache to have object 'test'")
}
}
func TestLruCache_Del(t *testing.T) {
cache, err := New("lru://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
cache.Set("test", "test", time.Minute)
if !cache.Has("test") {
t.Fatal("Expected cache to have object 'test'")
}
cache.Del("test")
if cache.Has("test") {
t.Fatal("Cache did not properly delete item")
}
}

View File

@ -1,58 +0,0 @@
package cache
import (
"github.com/bradfitz/gomemcache/memcache"
"time"
)
type MemcacheSettings struct {
Servers []string
}
type MemcacheCache struct {
servers []string
backend *memcache.Client
}
func NewMemcacheCache(s MemcacheSettings) (CacheInterface, error) {
c := memcache.New(s.Servers...)
return &MemcacheCache{
servers: s.Servers,
backend: c,
}, nil
}
func (mc *MemcacheCache) Has(key string) bool {
_, err := mc.backend.Get(key)
return err != nil
}
func (mc *MemcacheCache) Get(key string, dst ...interface{}) ([]byte, error) {
item, err := mc.backend.Get(key)
if err != nil {
return nil, err
}
if len(dst) > 0 && dst[0] != nil {
return decodeDst(item.Value, dst[0])
}
return item.Value, nil
}
func (mc *MemcacheCache) Set(key string, val interface{}, ttl time.Duration) error {
v, err := encodeValue(val)
if err != nil {
return err
}
return mc.backend.Set(&memcache.Item{Key: key, Value: v, Expiration: int32(ttl.Seconds())})
}
func (mc *MemcacheCache) Del(key string) error {
return mc.backend.Delete(key)
}

View File

@ -1,35 +0,0 @@
package cache
import (
"testing"
)
func Test_MemcacheURI(t *testing.T) {
cache, err := New("memcache://localhost")
if err != nil {
t.Fatal("Error creating cache:", err)
}
if _, ok := cache.(*MemcacheCache); !ok {
t.Fatal("Cache is not instance of MemcacheCache")
}
}
func Test_MemcacheURIMultipleServers(t *testing.T) {
cache, err := New("memcache://localhost,localhost2")
if err != nil {
t.Fatal("Error creating cache:", err)
}
c, ok := cache.(*MemcacheCache)
if !ok {
t.Fatal("Cache is not instance of MemcacheCache")
}
if len(c.servers) != 2 {
t.Fatal("Number of servers does not match!")
}
}

181
memory.go
View File

@ -1,181 +0,0 @@
package cache
import (
"errors"
"github.com/patrickmn/go-cache"
"github.com/vmihailenco/msgpack/v4"
"reflect"
"time"
)
var (
ErrMemoryCacheNotExists = errors.New("item does not exist")
)
type MemoryCache struct {
c *cache.Cache
}
func NewMemoryCache(cleanupTime time.Duration) (CacheInterface, error) {
c := cache.New(1*time.Minute, cleanupTime)
return &MemoryCache{c: c}, nil
}
func (mc *MemoryCache) Has(key string) bool {
_, exists := mc.c.Get(key)
return exists
}
func (mc *MemoryCache) Get(key string, dst ...interface{}) ([]byte, error) {
item, exists := mc.c.Get(key)
if !exists {
return nil, ErrMemoryCacheNotExists
}
return memoryCacheGet(item, dst...)
}
func (mc *MemoryCache) Set(key string, val interface{}, ttl time.Duration) error {
mc.c.Set(key, val, ttl)
return nil
}
func (mc *MemoryCache) Del(key string) error {
mc.c.Delete(key)
return nil
}
func memoryCacheGet(item interface{}, dst ...interface{}) ([]byte, error) {
if len(dst) == 0 {
switch item.(type) {
case string:
return []byte(item.(string)), nil
case []byte:
return item.([]byte), nil
}
return msgpack.Marshal(item)
}
v := dst[0]
switch v := v.(type) {
case *string:
if v != nil {
*v = item.(string)
return []byte(item.(string)), nil
}
case *[]byte:
if v != nil {
*v = item.([]byte)
return item.([]byte), nil
}
case *int:
if v != nil {
*v = item.(int)
return nil, nil
}
case *int8:
if v != nil {
*v = item.(int8)
return nil, nil
}
case *int16:
if v != nil {
*v = item.(int16)
return nil, nil
}
case *int32:
if v != nil {
*v = item.(int32)
return nil, nil
}
case *int64:
if v != nil {
*v = item.(int64)
return nil, nil
}
case *uint:
if v != nil {
*v = item.(uint)
return nil, nil
}
case *uint8:
if v != nil {
*v = item.(uint8)
return nil, nil
}
case *uint16:
if v != nil {
*v = item.(uint16)
return nil, nil
}
case *uint32:
if v != nil {
*v = item.(uint32)
return nil, nil
}
case *uint64:
if v != nil {
*v = item.(uint64)
return nil, nil
}
case *bool:
if v != nil {
*v = item.(bool)
return nil, nil
}
case *float32:
if v != nil {
*v = item.(float32)
return nil, nil
}
case *float64:
if v != nil {
*v = item.(float64)
return nil, nil
}
case *[]string:
*v = item.([]string)
return nil, nil
case *map[string]string:
*v = item.(map[string]string)
return nil, nil
case *map[string]interface{}:
*v = item.(map[string]interface{})
return nil, nil
case *time.Duration:
if v != nil {
*v = item.(time.Duration)
return nil, nil
}
case *time.Time:
if v != nil {
*v = item.(time.Time)
return nil, nil
}
}
vv := reflect.ValueOf(dst[0])
if !vv.IsValid() {
return nil, errors.New("dst pointer is not valid")
}
if vv.Kind() != reflect.Ptr {
return nil, errors.New("dst pointer is not a pointer")
}
vv = vv.Elem()
if !vv.IsValid() {
return nil, errors.New("dst pointer is not a valid element")
}
vv.Set(reflect.ValueOf(item))
return nil, nil
}

View File

@ -1,96 +0,0 @@
package cache
import (
"testing"
"time"
)
func TestNew_MemoryURI(t *testing.T) {
cache, err := New("memory://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
if _, ok := cache.(*MemoryCache); !ok {
t.Fatal("Cache is not instance of MemoryCache")
}
}
func TestMemoryCache_Get(t *testing.T) {
cache, err := New("memory://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
obj := "test"
cache.Set("test", obj, time.Minute)
var new string
cache.Get("test", &new)
if obj != new {
t.Fatal("Expected", obj, "got", new)
}
}
func TestMemoryCache_GetRaw(t *testing.T) {
cache, err := New("memory://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
obj := "test"
cache.Set("test", obj, time.Minute)
v, err := cache.Get("test")
if err != nil {
t.Fatal("Unable to get value:", err)
}
new := string(v)
if obj != new {
t.Fatal("Expected", obj, "got", new)
}
}
func TestMemoryCache_Has(t *testing.T) {
cache, err := New("memory://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
cache.Set("test", "test", time.Minute)
if !cache.Has("test") {
t.Fatal("Expected cache to have object 'test'")
}
}
func TestMemoryCache_Del(t *testing.T) {
cache, err := New("memory://")
if err != nil {
t.Fatal("Error creating cache:", err)
}
cache.Set("test", "test", time.Minute)
if !cache.Has("test") {
t.Fatal("Expected cache to have object 'test'")
}
cache.Del("test")
if cache.Has("test") {
t.Fatal("Cache did not properly delete item")
}
}

169
options.go Normal file
View File

@ -0,0 +1,169 @@
package cache
import (
"errors"
"github.com/iancoleman/strcase"
"meow.tf/go/cacheinterface/v2/encoder"
"net/url"
"reflect"
"strconv"
"strings"
"time"
)
func decodeQuery(query url.Values, dest any) error {
destType := reflect.TypeOf(dest)
if destType.Kind() == reflect.Ptr {
destType = destType.Elem()
}
destVal := reflect.ValueOf(dest)
if destVal.Kind() == reflect.Ptr {
destVal = destVal.Elem()
}
for i := 0; i < destType.NumField(); i++ {
fieldType := destType.Field(i)
field := destVal.Field(i)
queryKeys := []string{
fieldType.Tag.Get("query"),
strcase.ToLowerCamel(fieldType.Name),
}
for _, key := range queryKeys {
if key == "" || !query.Has(key) {
continue
}
// Map query variable to default field name
val, err := decodeType(fieldType.Type, query[key], false)
if err != nil {
return err
}
field.Set(reflect.ValueOf(val))
break
}
// TODO: ignoring bool might not be the best choice.
// Maybe use bools as either pointers, or setup a "NullBool" like sql.Null*?
canHaveDefault := field.IsZero() && field.Kind() != reflect.Bool
if def := fieldType.Tag.Get("default"); canHaveDefault && def != "" {
val, err := decodeType(fieldType.Type, []string{def}, true)
if err != nil {
return err
}
field.Set(reflect.ValueOf(val))
}
}
return nil
}
var (
encoderType = reflect.TypeOf((*encoder.Encoder)(nil)).Elem()
durationType = reflect.TypeOf(time.Duration(0))
)
func decodeType(t reflect.Type, val []string, isDefault bool) (any, error) {
switch t {
case encoderType:
return encoder.EncoderFrom(val[0]), nil
case durationType:
return time.ParseDuration(val[0])
}
switch t.Kind() {
case reflect.Bool:
v, err := strconv.ParseBool(val[0])
if err != nil {
return nil, err
}
return v, nil
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
v, err := strconv.ParseInt(val[0], 10, 64)
if err != nil {
return nil, err
}
switch t.Kind() {
case reflect.Int:
return int(v), nil
case reflect.Int8:
return int8(v), nil
case reflect.Int16:
return int16(v), nil
case reflect.Int32:
return int32(v), nil
case reflect.Int64:
return v, nil
}
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
v, err := strconv.ParseUint(val[0], 10, 64)
if err != nil {
return nil, err
}
switch t.Kind() {
case reflect.Uint:
return uint(v), nil
case reflect.Uint8:
return uint8(v), nil
case reflect.Uint16:
return uint16(v), nil
case reflect.Uint32:
return uint32(v), nil
case reflect.Uint64:
return v, nil
}
case reflect.Float32, reflect.Float64:
v, err := strconv.ParseFloat(val[0], 64)
if err != nil {
return nil, err
}
switch t.Kind() {
case reflect.Float32:
return float32(v), nil
case reflect.Float64:
return v, nil
}
case reflect.String:
return val[0], nil
case reflect.Slice:
elemType := t.Elem()
if isDefault {
val = strings.Split(val[0], ",")
}
out := reflect.MakeSlice(t, 0, len(val))
for _, v := range val {
decodedVal, err := decodeType(elemType, []string{v}, isDefault)
if err != nil {
return nil, err
}
out = reflect.Append(out, reflect.ValueOf(decodedVal))
}
return out.Interface(), nil
}
return nil, errors.New("unknown type " + t.String())
}

95
options_test.go Normal file
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@ -0,0 +1,95 @@
package cache
import (
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"meow.tf/go/cacheinterface/v2/encoder"
"net/url"
"time"
)
var _ = Describe("Cache Test", func() {
Context("Query parsing", func() {
type testOpts struct {
Encoder encoder.Encoder
String string
Slice []string
Duration time.Duration
}
var (
opts testOpts
v url.Values
)
BeforeEach(func() {
opts = testOpts{}
v = url.Values{}
})
It("Should parse custom interfaces", func() {
v.Set("encoder", "json")
err := decodeQuery(v, &opts)
Expect(err).To(BeNil())
Expect(opts.Encoder).To(Equal(encoder.JSON))
})
It("Should parse strings", func() {
v.Set("string", "testing")
err := decodeQuery(v, &opts)
Expect(err).To(BeNil())
Expect(opts.String).To(Equal("testing"))
})
It("Should parse slices", func() {
v["slice"] = []string{"bla", "bla"}
err := decodeQuery(v, &opts)
Expect(err).To(BeNil())
Expect(opts.Slice).To(Equal([]string{"bla", "bla"}))
})
It("Should parse durations", func() {
v.Set("duration", "5m")
err := decodeQuery(v, &opts)
Expect(err).To(BeNil())
Expect(opts.Duration).To(Equal(5 * time.Minute))
})
})
Context("Defaults", func() {
type testOpts struct {
String string `default:"Test"`
Slice []string `default:"bla,bla"`
Duration time.Duration `default:"5m"`
Test bool `default:"true"`
}
var (
opts testOpts
v url.Values
)
BeforeEach(func() {
opts = testOpts{}
v = url.Values{}
})
It("Should assign defaults to strings", func() {
err := decodeQuery(v, &opts)
Expect(err).To(BeNil())
Expect(opts.String).To(Equal("Test"))
})
It("Should assign defaults to string slices", func() {
err := decodeQuery(v, &opts)
Expect(err).To(BeNil())
Expect(opts.Slice).To(Equal([]string{"bla", "bla"}))
})
It("Should assign defaults to durations", func() {
err := decodeQuery(v, &opts)
Expect(err).To(BeNil())
Expect(opts.Duration).To(Equal(5 * time.Minute))
})
})
})

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@ -1,61 +0,0 @@
package cache
import (
"github.com/hoisie/redis"
"time"
)
type RedisSettings struct {
Address string
DB int
Password string
}
type RedisCache struct {
CacheInterface
c *redis.Client
}
func NewRedisCache(c RedisSettings) (CacheInterface, error) {
rc := &redis.Client{Addr: c.Address, Db: c.DB, Password: c.Password}
return &RedisCache{
c: rc,
}, nil
}
func (rc *RedisCache) Has(key string) bool {
b, _ := rc.c.Exists(key)
return b
}
func (rc *RedisCache) Get(key string, dst ...interface{}) ([]byte, error) {
b, err := rc.c.Get(key)
if err != nil {
return nil, err
}
if len(dst) > 0 && dst[0] != nil {
return decodeDst(b, dst[0])
}
return b, err
}
func (rc *RedisCache) Set(key string, val interface{}, ttl time.Duration) error {
v, err := encodeValue(val)
if err != nil {
return err
}
return rc.c.Setex(key, int64(ttl.Seconds()), v)
}
func (rc *RedisCache) Del(key string) error {
_, err := rc.c.Del(key)
return err
}

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@ -1,17 +0,0 @@
package cache
import (
"testing"
)
func Test_RedisURI(t *testing.T) {
cache, err := New("redis://127.0.0.1:6389")
if err != nil {
t.Fatal("Error creating cache:", err)
}
if _, ok := cache.(*RedisCache); !ok {
t.Fatal("Cache is not instance of RedisCache")
}
}