Add Client.String method.

cluster_client_test.go

@@ -31,11 +31,9 @@ var _ = Describe("ClusterClient", func() {
 	}
 
 	BeforeEach(func() {
-		var err error
 		subject = NewClusterClient(&ClusterOptions{
 			Addrs: []string{"127.0.0.1:6379", "127.0.0.1:7003", "127.0.0.1:7006"},
 		})
-		Expect(err).NotTo(HaveOccurred())
 	})
 
 	AfterEach(func() {

redis.go

@@ -1,6 +1,7 @@
 package redis // import "gopkg.in/redis.v3"
 
 import (
+	"fmt"
 	"log"
 	"net"
 	"time"
@@ -11,6 +12,10 @@ type baseClient struct {
 	opt      *options
 }
 
+func (c *baseClient) String() string {
+	return fmt.Sprintf("Redis<%s db:%d>", c.opt.Addr, c.opt.DB)
+}
+
 func (c *baseClient) conn() (*conn, error) {
 	return c.connPool.Get()
 }
@@ -164,6 +169,7 @@ func (opt *Options) getPoolTimeout() time.Duration {
 
 func (opt *Options) options() *options {
 	return &options{
+		Addr:        opt.Addr,
 		Dialer:      opt.getDialer(),
 		PoolSize:    opt.getPoolSize(),
 		PoolTimeout: opt.getPoolTimeout(),
@@ -181,6 +187,7 @@ func (opt *Options) options() *options {
 }
 
 type options struct {
+	Addr        string
 	Dialer      func() (net.Conn, error)
 	PoolSize    int
 	PoolTimeout time.Duration

redis_test.go

@@ -24,6 +24,10 @@ var _ = Describe("Client", func() {
 		client.Close()
 	})
 
+	It("should Stringer", func() {
+		Expect(client.String()).To(Equal("Redis<:6380 db:0>"))
+	})
+
 	It("should ping", func() {
 		val, err := client.Ping().Result()
 		Expect(err).NotTo(HaveOccurred())