feat: Implement CLIENT SETNAME & GETNAME (#177)

Author: uki00a

command.ts

@@ -865,11 +865,24 @@ XRANGE somestream - +
   ): Promise<Integer>;
 
   // Client
+  /**
+   * Returns the name of the current connection which can be set by `client_setname`.
+   * @see https://redis.io/commands/client-getname
+   */
+  client_getname(): Promise<Bulk>;
+
   /**
    * Returns the id of the current redis connection.
    */
   client_id(): Promise<Integer>;
 
+  /**
+   * Sets a `connectionName` to the current connection.
+   * You can get the name of the current connection using `client_getname()`.
+   * @see https://redis.io/commands/client-setname
+   */
+  client_setname(connectionName: string): Promise<Status>;
+
   // Cluster
   cluster_addslots(...slots: number[]): Promise<Status>;
   cluster_countfailurereports(node_id: string): Promise<Integer>;

redis.ts

@@ -283,10 +283,18 @@ export class RedisImpl implements Redis {
     >;
   }
 
+  client_getname() {
+    return this.execBulkReply("CLIENT", "GETNAME");
+  }
+
   client_id() {
     return this.execIntegerReply("CLIENT", "ID");
   }
 
+  client_setname(connectionName: string) {
+    return this.execStatusReply("CLIENT", "SETNAME", connectionName);
+  }
+
   cluster_addslots(...slots: number[]) {
     return this.execStatusReply("CLUSTER", "ADDSLOTS", ...slots);
   }

tests/connection_test.ts

@@ -42,4 +42,9 @@ suite.test("client id", async () => {
   assertEquals(typeof id, "number");
 });
 
+suite.test("client setname & getname", async () => {
+  assertEquals(await client.client_setname("deno-redis"), "OK");
+  assertEquals(await client.client_getname(), "deno-redis");
+});
+
 suite.runTests();