Merge pull request #1899 from alexus1024/master

Add support for BLMove command

Author: vmihailenco

commands.go

@@ -195,6 +195,7 @@ type Cmdable interface {
 	RPush(ctx context.Context, key string, values ...interface{}) *IntCmd
 	RPushX(ctx context.Context, key string, values ...interface{}) *IntCmd
 	LMove(ctx context.Context, source, destination, srcpos, destpos string) *StringCmd
+	BLMove(ctx context.Context, source, destination, srcpos, destpos string, timeout time.Duration) *StringCmd
 
 	SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd
 	SCard(ctx context.Context, key string) *IntCmd
@@ -1494,6 +1495,13 @@ func (c cmdable) LMove(ctx context.Context, source, destination, srcpos, destpos
 	return cmd
 }
 
+func (c cmdable) BLMove(ctx context.Context, source, destination, srcpos, destpos string, timeout time.Duration) *StringCmd {
+	cmd := NewStringCmd(ctx, "blmove", source, destination, srcpos, destpos, formatSec(ctx, timeout))
+	cmd.setReadTimeout(timeout)
+	_ = c(ctx, cmd)
+	return cmd
+}
+
 //------------------------------------------------------------------------------
 
 func (c cmdable) SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd {

commands_test.go

@@ -2372,6 +2372,27 @@ var _ = Describe("Commands", func() {
 			Expect(lRange.Err()).NotTo(HaveOccurred())
 			Expect(lRange.Val()).To(Equal([]string{"san"}))
 		})
+		It("should BLMove", func() {
+			rPush := client.RPush(ctx, "blmove1", "ichi")
+			Expect(rPush.Err()).NotTo(HaveOccurred())
+			Expect(rPush.Val()).To(Equal(int64(1)))
+
+			rPush = client.RPush(ctx, "blmove1", "ni")
+			Expect(rPush.Err()).NotTo(HaveOccurred())
+			Expect(rPush.Val()).To(Equal(int64(2)))
+
+			rPush = client.RPush(ctx, "blmove1", "san")
+			Expect(rPush.Err()).NotTo(HaveOccurred())
+			Expect(rPush.Val()).To(Equal(int64(3)))
+
+			blMove := client.BLMove(ctx, "blmove1", "lmove2", "RIGHT", "LEFT", time.Second)
+			Expect(blMove.Err()).NotTo(HaveOccurred())
+			Expect(blMove.Val()).To(Equal("san"))
+
+			lRange := client.LRange(ctx, "blmove2", 0, -1)
+			Expect(lRange.Err()).NotTo(HaveOccurred())
+			Expect(lRange.Val()).To(Equal([]string{"san"}))
+		})
 	})
 
 	Describe("sets", func() {