From 94fb94bf94e3adb0a095ed81580e228f6888eaee Mon Sep 17 00:00:00 2001
From: Andreas Thomas <dev@chronark.com>
Date: Sat, 7 Jan 2023 17:15:17 +0100
Subject: [PATCH] feat: smismember

---
 pkg/commands/mod.ts             |  1 +
 pkg/commands/smismember.test.ts | 25 +++++++++++++++++++++++++
 pkg/commands/smismember.ts      | 15 +++++++++++++++
 pkg/pipeline.ts                 |  9 +++++++++
 pkg/redis.ts                    |  9 +++++++++
 5 files changed, 59 insertions(+)
 create mode 100644 pkg/commands/smismember.test.ts
 create mode 100644 pkg/commands/smismember.ts

diff --git a/pkg/commands/mod.ts b/pkg/commands/mod.ts
index 44c1410d..6c2ea14e 100644
--- a/pkg/commands/mod.ts
+++ b/pkg/commands/mod.ts
@@ -23,6 +23,7 @@ export * from "./getset.ts";
 export * from "./hdel.ts";
 export * from "./hexists.ts";
 export * from "./hget.ts";
+export * from "./smismember.ts";
 export * from "./hgetall.ts";
 export * from "./hincrby.ts";
 export * from "./hincrbyfloat.ts";
diff --git a/pkg/commands/smismember.test.ts b/pkg/commands/smismember.test.ts
new file mode 100644
index 00000000..42693734
--- /dev/null
+++ b/pkg/commands/smismember.test.ts
@@ -0,0 +1,25 @@
+import { keygen, newHttpClient, randomID } from "../test-utils.ts";
+
+import { SAddCommand } from "./sadd.ts";
+import { SMIsMemberCommand } from "./smismember.ts";
+import { assertEquals } from "https://deno.land/std@0.152.0/testing/asserts.ts";
+
+import { afterAll } from "https://deno.land/std@0.152.0/testing/bdd.ts";
+const client = newHttpClient();
+
+const { newKey, cleanup } = keygen();
+afterAll(cleanup);
+
+Deno.test("when member exists", async (t) => {
+  await t.step("returns 1", async () => {
+    const key = newKey();
+    const value1 = randomID();
+    const value2 = randomID();
+    await new SAddCommand([key, value1]).exec(client);
+    await new SAddCommand([key, value2]).exec(client);
+    const res = await new SMIsMemberCommand([key, value1, randomID()]).exec(
+      client,
+    );
+    assertEquals(res, [1, 0]);
+  });
+});
diff --git a/pkg/commands/smismember.ts b/pkg/commands/smismember.ts
new file mode 100644
index 00000000..c9d9d313
--- /dev/null
+++ b/pkg/commands/smismember.ts
@@ -0,0 +1,15 @@
+import { Command, CommandOptions } from "./command.ts";
+/**
+ * @see https://redis.io/commands/smismember
+ */
+export class SMIsMemberCommand<TMembers extends unknown[]> extends Command<
+  ("0" | "1")[],
+  (0 | 1)[]
+> {
+  constructor(
+    cmd: [key: string, ...members: TMembers],
+    opts?: CommandOptions<("0" | "1")[], (0 | 1)[]>,
+  ) {
+    super(["smismember", ...cmd], opts);
+  }
+}
diff --git a/pkg/pipeline.ts b/pkg/pipeline.ts
index be370ca7..0f7c736e 100644
--- a/pkg/pipeline.ts
+++ b/pkg/pipeline.ts
@@ -86,6 +86,7 @@ import {
   SInterStoreCommand,
   SIsMemberCommand,
   SMembersCommand,
+  SMIsMemberCommand,
   SMoveCommand,
   SPopCommand,
   SRandMemberCommand,
@@ -796,6 +797,14 @@ export class Pipeline {
     ...args: CommandArgs<typeof SMembersCommand>
   ) => this.chain(new SMembersCommand<TData>(args, this.commandOptions));
 
+  /**
+   * @see https://redis.io/commands/smismember
+   */
+  smismember = <TMembers extends unknown[]>(key: string, members: TMembers) =>
+    this.chain(
+      new SMIsMemberCommand<TMembers>([key, members], this.commandOptions),
+    );
+
   /**
    * @see https://redis.io/commands/smove
    */
diff --git a/pkg/redis.ts b/pkg/redis.ts
index 6b485c32..450751f0 100644
--- a/pkg/redis.ts
+++ b/pkg/redis.ts
@@ -88,6 +88,7 @@ import {
   SInterStoreCommand,
   SIsMemberCommand,
   SMembersCommand,
+  SMIsMemberCommand,
   SMoveCommand,
   SPopCommand,
   SRandMemberCommand,
@@ -755,6 +756,14 @@ export class Redis {
   sismember = <TData>(key: string, member: TData) =>
     new SIsMemberCommand<TData>([key, member], this.opts).exec(this.client);
 
+  /**
+   * @see https://redis.io/commands/smismember
+   */
+  smismember = <TMembers extends unknown[]>(key: string, members: TMembers) =>
+    new SMIsMemberCommand<TMembers>([key, members], this.opts).exec(
+      this.client,
+    );
+
   /**
    * @see https://redis.io/commands/smembers
    */