Merge pull request #649 from go-redis/fix/receive-big-message

Add test for receive big message payload

commands.go

@@ -214,6 +214,7 @@ type Cmdable interface {
 	ScriptKill() *StatusCmd
 	ScriptLoad(script string) *StringCmd
 	DebugObject(key string) *StringCmd
+	Publish(channel string, message interface{}) *IntCmd
 	PubSubChannels(pattern string) *StringSliceCmd
 	PubSubNumSub(channels ...string) *StringIntMapCmd
 	PubSubNumPat() *IntCmd
@@ -1880,8 +1881,8 @@ func (c *cmdable) DebugObject(key string) *StringCmd {
 //------------------------------------------------------------------------------
 
 // Publish posts the message to the channel.
-func (c *cmdable) Publish(channel, message string) *IntCmd {
+func (c *cmdable) Publish(channel string, message interface{}) *IntCmd {
-	cmd := NewIntCmd("PUBLISH", channel, message)
+	cmd := NewIntCmd("publish", channel, message)
 	c.process(cmd)
 	return cmd
 }

pubsub_test.go

@@ -424,4 +424,20 @@ var _ = Describe("PubSub", func() {
 
 		wg.Wait()
 	})
+
+	It("handles big message payload", func() {
+		pubsub := client.Subscribe("mychannel")
+		defer pubsub.Close()
+
+		ch := pubsub.Channel()
+
+		bigVal := bigVal()
+		err := client.Publish("mychannel", bigVal).Err()
+		Expect(err).NotTo(HaveOccurred())
+
+		var msg *redis.Message
+		Eventually(ch).Should(Receive(&msg))
+		Expect(msg.Channel).To(Equal("mychannel"))
+		Expect(msg.Payload).To(Equal(string(bigVal)))
+	})
 })

race_test.go

@@ -105,7 +105,7 @@ var _ = Describe("races", func() {
 	It("should handle big vals in Get", func() {
 		C, N = 4, 100
 
-		bigVal := bytes.Repeat([]byte{'*'}, 1<<17) // 128kb
+		bigVal := bigVal()
 
 		err := client.Set("key", bigVal, 0).Err()
 		Expect(err).NotTo(HaveOccurred())
@@ -126,8 +126,7 @@ var _ = Describe("races", func() {
 	It("should handle big vals in Set", func() {
 		C, N = 4, 100
 
-		bigVal := bytes.Repeat([]byte{'*'}, 1<<17) // 128kb
+		bigVal := bigVal()
-
 		perform(C, func(id int) {
 			for i := 0; i < N; i++ {
 				err := client.Set("key", bigVal, 0).Err()
@@ -245,3 +244,7 @@ var _ = Describe("races", func() {
 		Expect(n).To(Equal(int64(N)))
 	})
 })
+
+func bigVal() []byte {
+	return bytes.Repeat([]byte{'*'}, 1<<17) // 128kb
+}