From c9555c4277805a7c99dc349e338c7555ccf8668c Mon Sep 17 00:00:00 2001
From: Roman Volosatovs <rvolosatovs@riseup.net>
Date: Tue, 11 Dec 2018 15:52:46 +0100
Subject: [PATCH] xgroup: Add XGroupCreateMkStream

---
 commands.go      |  7 +++++++
 commands_test.go | 16 ++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/commands.go b/commands.go
index 6e925af..e9b4134 100644
--- a/commands.go
+++ b/commands.go
@@ -175,6 +175,7 @@ type Cmdable interface {
 	XRead(a *XReadArgs) *XStreamSliceCmd
 	XReadStreams(streams ...string) *XStreamSliceCmd
 	XGroupCreate(stream, group, start string) *StatusCmd
+	XGroupCreateMkStream(stream, group, start string) *StatusCmd
 	XGroupSetID(stream, group, start string) *StatusCmd
 	XGroupDestroy(stream, group string) *IntCmd
 	XGroupDelConsumer(stream, group, consumer string) *IntCmd
@@ -1424,6 +1425,12 @@ func (c *cmdable) XGroupCreate(stream, group, start string) *StatusCmd {
 	return cmd
 }
 
+func (c *cmdable) XGroupCreateMkStream(stream, group, start string) *StatusCmd {
+	cmd := NewStatusCmd("xgroup", "create", stream, group, start, "mkstream")
+	c.process(cmd)
+	return cmd
+}
+
 func (c *cmdable) XGroupSetID(stream, group, start string) *StatusCmd {
 	cmd := NewStatusCmd("xgroup", "setid", stream, group, start)
 	c.process(cmd)
diff --git a/commands_test.go b/commands_test.go
index ea646be..cda4595 100644
--- a/commands_test.go
+++ b/commands_test.go
@@ -3569,6 +3569,22 @@ var _ = Describe("Commands", func() {
 				Expect(n).To(Equal(int64(1)))
 			})
 
+			It("should XGroupCreateMkStream", func() {
+				err := client.XGroupCreateMkStream("stream2", "group", "0").Err()
+				Expect(err).NotTo(HaveOccurred())
+
+				err = client.XGroupCreateMkStream("stream2", "group", "0").Err()
+				Expect(err).To(Equal(proto.RedisError("BUSYGROUP Consumer Group name already exists")))
+
+				n, err := client.XGroupDestroy("stream2", "group").Result()
+				Expect(err).NotTo(HaveOccurred())
+				Expect(n).To(Equal(int64(1)))
+
+				n, err = client.Del("stream2").Result()
+				Expect(err).NotTo(HaveOccurred())
+				Expect(n).To(Equal(int64(1)))
+			})
+
 			It("should XPending", func() {
 				info, err := client.XPending("stream", "group").Result()
 				Expect(err).NotTo(HaveOccurred())