feat: Add support for certain slowlog commands (#3585)

* Add support for certain slowlog commands

* add NonRedisEnterprise label for slow reset test

---------

Co-authored-by: Nedyalko Dyakov <1547186+ndyakov@users.noreply.github.com>

commands.go

@@ -211,6 +211,8 @@ type Cmdable interface {
 	ShutdownNoSave(ctx context.Context) *StatusCmd
 	SlaveOf(ctx context.Context, host, port string) *StatusCmd
 	SlowLogGet(ctx context.Context, num int64) *SlowLogCmd
+	SlowLogLen(ctx context.Context) *IntCmd
+	SlowLogReset(ctx context.Context) *StatusCmd
 	Time(ctx context.Context) *TimeCmd
 	DebugObject(ctx context.Context, key string) *StringCmd
 	MemoryUsage(ctx context.Context, key string, samples ...int) *IntCmd
@@ -675,6 +677,18 @@ func (c cmdable) SlowLogGet(ctx context.Context, num int64) *SlowLogCmd {
 	return cmd
 }
 
+func (c cmdable) SlowLogLen(ctx context.Context) *IntCmd {
+	cmd := NewIntCmd(ctx, "slowlog", "len")
+	_ = c(ctx, cmd)
+	return cmd
+}
+
+func (c cmdable) SlowLogReset(ctx context.Context) *StatusCmd {
+	cmd := NewStatusCmd(ctx, "slowlog", "reset")
+	_ = c(ctx, cmd)
+	return cmd
+}
+
 func (c cmdable) Latency(ctx context.Context) *LatencyCmd {
 	cmd := NewLatencyCmd(ctx, "latency", "latest")
 	_ = c(ctx, cmd)

commands_test.go

@@ -8294,7 +8294,7 @@ var _ = Describe("Commands", func() {
 		})
 	})
 
-	Describe("SlowLogGet", func() {
+	Describe("SlowLog", func() {
 		It("returns slow query result", func() {
 			const key = "slowlog-log-slower-than"
 
@@ -8311,6 +8311,34 @@ var _ = Describe("Commands", func() {
 			Expect(err).NotTo(HaveOccurred())
 			Expect(len(result)).NotTo(BeZero())
 		})
+
+		It("returns the number of slow queries", Label("NonRedisEnterprise"), func() {
+			// Reset slowlog
+			err := client.SlowLogReset(ctx).Err()
+			Expect(err).NotTo(HaveOccurred())
+
+			const key = "slowlog-log-slower-than"
+
+			old := client.ConfigGet(ctx, key).Val()
+			// first slowlog entry is the config set command itself
+			client.ConfigSet(ctx, key, "0")
+			defer client.ConfigSet(ctx, key, old[key])
+
+			// Set a key to trigger a slow query, and this is the second slowlog entry
+			client.Set(ctx, "test", "true", 0)
+			result, err := client.SlowLogLen(ctx).Result()
+			Expect(err).NotTo(HaveOccurred())
+			Expect(result).Should(Equal(int64(2)))
+
+			// Reset slowlog
+			err = client.SlowLogReset(ctx).Err()
+			Expect(err).NotTo(HaveOccurred())
+
+			// Check if slowlog is empty, this is the first slowlog entry after reset
+			result, err = client.SlowLogLen(ctx).Result()
+			Expect(err).NotTo(HaveOccurred())
+			Expect(result).Should(Equal(int64(1)))
+		})
 	})
 
 	Describe("Latency", Label("NonRedisEnterprise"), func() {