specs updated!

src/receivers/AwsLambdaReceiver.ts

@@ -1,5 +1,4 @@
 import crypto from 'crypto';
-/* eslint-disable @typescript-eslint/no-explicit-any */
 import querystring from 'querystring';
 import { ConsoleLogger, LogLevel, type Logger } from '@slack/logger';
 import tsscmp from 'tsscmp';
@@ -208,7 +207,7 @@ export default class AwsLambdaReceiver implements Receiver {
         if (!isAcknowledged) {
           this.logger.error(
             'An incoming event was not acknowledged within 3 seconds. ' +
-              'Ensure that the ack() argument is called in a listener.',
+            'Ensure that the ack() argument is called in a listener.',
           );
         }
       }, 3001);
@@ -257,7 +256,6 @@ export default class AwsLambdaReceiver implements Receiver {
     };
   }
 
-  // eslint-disable-next-line class-methods-use-this
   private getRawBody(awsEvent: AwsEvent): string {
     if (typeof awsEvent.body === 'undefined' || awsEvent.body == null) {
       return '';
@@ -268,7 +266,6 @@ export default class AwsLambdaReceiver implements Receiver {
     return awsEvent.body;
   }
 
-  // eslint-disable-next-line class-methods-use-this
   private parseRequestBody(stringBody: string, contentType: string | undefined, logger: Logger): any {
     if (contentType === 'application/x-www-form-urlencoded') {
       const parsedBody = querystring.parse(stringBody);

test/unit/.mocharc.json

@@ -1,5 +1,10 @@
 {
-  "require": ["ts-node/register", "source-map-support/register"],
-  "spec": ["test/unit/**/*.spec.ts"],
+  "require": [
+    "ts-node/register",
+    "source-map-support/register"
+  ],
+  "spec": [
+    "test/unit/**/*.spec.ts"
+  ],
   "timeout": 3000
 }

test/unit/helpers/receivers.ts

@@ -1,4 +1,5 @@
 import { EventEmitter } from 'node:events';
+import crypto from 'node:crypto';
 import sinon, { type SinonSpy } from 'sinon';
 import type App from '../../../src/App';
 import type { Receiver, ReceiverEvent } from '../../../src/types';
@@ -66,3 +67,35 @@ export function withHttpsCreateServer(spy: SinonSpy): Override {
     },
   };
 }
+
+export function createDummyAWSPayload(
+  // biome-ignore lint/suspicious/noExplicitAny: HTTP request bodies can be anything
+  body: any,
+  timestamp: number = Math.floor(Date.now() / 1000),
+  headers?: Record<string, string>,
+  isBase64Encoded = false,
+) {
+  const signature = crypto.createHmac('sha256', 'my-secret').update(`v0:${timestamp}:${body}`).digest('hex');
+  const realBody = isBase64Encoded ? Buffer.from(body).toString('base64') : body;
+  return {
+    resource: '/slack/events',
+    path: '/slack/events',
+    httpMethod: 'POST',
+    headers: headers || {
+      Accept: 'application/json,*/*',
+      'Content-Type': 'application/json',
+      Host: 'xxx.execute-api.ap-northeast-1.amazonaws.com',
+      'User-Agent': 'Slackbot 1.0 (+https://api.slack.com/robots)',
+      'X-Slack-Request-Timestamp': `${timestamp}`,
+      'X-Slack-Signature': `v0=${signature}`,
+    },
+    multiValueHeaders: {},
+    queryStringParameters: null,
+    multiValueQueryStringParameters: null,
+    pathParameters: null,
+    stageVariables: null,
+    requestContext: {},
+    body: realBody,
+    isBase64Encoded,
+  };
+}