feat(stream): Add XDELEX command

Co-authored-by: DEFLANDRE ALBAN <[email protected]>

Author: PavelPashov

lib/utils/RedisCommander.ts

@@ -9485,6 +9485,87 @@ interface RedisCommander<Context extends ClientContext = { type: "default" }> {
     ...args: [key: RedisKey, ...ids: (string | Buffer | number)[]]
   ): Result<number, Context>;
 
+  /**
+   * Deletes one or multiple entries from the stream.
+   * - _group_: stream
+   * - _complexity_: O(1) for each single item to delete in the stream, regardless of the stream size.
+   * - _since_: 8.2.0
+   */
+  xdelex(
+    ...args: [
+      key: RedisKey,
+      idsToken: "IDS",
+      numids: number | string,
+      ...ids: (string | Buffer | number)[],
+      callback: Callback<unknown>
+    ]
+  ): Result<unknown, Context>;
+  xdelex(
+    ...args: [
+      key: RedisKey,
+      idsToken: "IDS",
+      numids: number | string,
+      ...ids: (string | Buffer | number)[]
+    ]
+  ): Result<unknown, Context>;
+  xdelex(
+    ...args: [
+      key: RedisKey,
+      keepref: "KEEPREF",
+      idsToken: "IDS",
+      numids: number | string,
+      ...ids: (string | Buffer | number)[],
+      callback: Callback<unknown>
+    ]
+  ): Result<unknown, Context>;
+  xdelex(
+    ...args: [
+      key: RedisKey,
+      keepref: "KEEPREF",
+      idsToken: "IDS",
+      numids: number | string,
+      ...ids: (string | Buffer | number)[]
+    ]
+  ): Result<unknown, Context>;
+  xdelex(
+    ...args: [
+      key: RedisKey,
+      delref: "DELREF",
+      idsToken: "IDS",
+      numids: number | string,
+      ...ids: (string | Buffer | number)[],
+      callback: Callback<unknown>
+    ]
+  ): Result<unknown, Context>;
+  xdelex(
+    ...args: [
+      key: RedisKey,
+      delref: "DELREF",
+      idsToken: "IDS",
+      numids: number | string,
+      ...ids: (string | Buffer | number)[]
+    ]
+  ): Result<unknown, Context>;
+  xdelex(
+    ...args: [
+      key: RedisKey,
+      acked: "ACKED",
+      idsToken: "IDS",
+      numids: number | string,
+      ...ids: (string | Buffer | number)[],
+      callback: Callback<unknown>
+    ]
+  ): Result<unknown, Context>;
+  xdelex(
+    ...args: [
+      key: RedisKey,
+      acked: "ACKED",
+      idsToken: "IDS",
+      numids: number | string,
+      ...ids: (string | Buffer | number)[]
+    ]
+  ): Result<unknown, Context>;
+
   /**
    * Create a consumer group.
    * - _group_: stream

package-lock.json

@@ -41,7 +41,7 @@
     "url": "https://opencollective.com/ioredis"
   },
   "dependencies": {
-    "@ioredis/commands": "^1.3.0",
+    "@ioredis/commands": "1.4.0",
     "cluster-key-slot": "^1.1.0",
     "debug": "^4.3.4",
     "denque": "^2.1.0",

package.json

@@ -0,0 +1,91 @@
+import Redis from "../../../lib/Redis";
+import { expect } from "chai";
+
+const STREAM_DELETION_REPLY_CODES = {
+  NOT_FOUND: -1,
+  DELETED: 1,
+  DANGLING_REFS: 2,
+} as const;
+
+// TODO unskip once we have a mechanism to run only on specific versions
+// TODO as these tests can only work against 8.2 or higher
+describe.skip("xdelex", () => {
+  let redis: Redis;
+
+  beforeEach(() => {
+    redis = new Redis();
+  });
+
+  afterEach(() => {
+    redis.disconnect();
+  });
+
+  it("should handle non-existing key - without policy", async () => {
+    const reply = await redis.xdelex("stream-key", "IDS", 1, "0-0");
+    expect(reply).to.deep.equal([STREAM_DELETION_REPLY_CODES.NOT_FOUND]);
+  });
+
+  it("should handle existing key - without policy", async () => {
+    const streamKey = "stream-key";
+    const messageId = await redis.xadd(streamKey, "*", "field", "value");
+
+    const reply = await redis.xdelex(streamKey, "IDS", 1, messageId as string);
+    expect(reply).to.deep.equal([STREAM_DELETION_REPLY_CODES.DELETED]);
+  });
+
+  it("should handle existing key - with DELREF policy", async () => {
+    const streamKey = "stream-key";
+    const messageId = await redis.xadd(streamKey, "*", "field", "value");
+
+    const reply = await redis.xdelex(
+      streamKey,
+      "DELREF",
+      "IDS",
+      1,
+      messageId as string
+    );
+    expect(reply).to.deep.equal([STREAM_DELETION_REPLY_CODES.DELETED]);
+  });
+
+  it("should handle ACKED policy - with consumer group", async () => {
+    const streamKey = "stream-key";
+
+    // Add a message to the stream
+    const messageId = await redis.xadd(streamKey, "*", "field", "value");
+
+    // Create consumer group
+    await redis.xgroup("CREATE", streamKey, "testgroup", "0");
+
+    const reply = await redis.xdelex(
+      streamKey,
+      "ACKED",
+      "IDS",
+      1,
+      messageId as string
+    );
+    expect(reply).to.deep.equal([STREAM_DELETION_REPLY_CODES.DANGLING_REFS]);
+  });
+
+  it("should handle multiple keys", async () => {
+    const streamKey = "stream-key";
+    const [messageId, messageId2] = await Promise.all([
+      redis.xadd(streamKey, "*", "field", "value1"),
+      redis.xadd(streamKey, "*", "field", "value2"),
+    ]);
+
+    const reply = await redis.xdelex(
+      streamKey,
+      "DELREF",
+      "IDS",
+      3,
+      messageId as string,
+      messageId2 as string,
+      "0-0"
+    );
+    expect(reply).to.deep.equal([
+      STREAM_DELETION_REPLY_CODES.DELETED,
+      STREAM_DELETION_REPLY_CODES.DELETED,
+      STREAM_DELETION_REPLY_CODES.NOT_FOUND,
+    ]);
+  });
+});