fixed psychoJS serving

e2e/s3-upload-download.test.ts

@@ -0,0 +1,46 @@
+import { S3Client, PutObjectCommand, GetObjectCommand } from '@aws-sdk/client-s3';
+import { randomUUID } from 'crypto';
+import { expect, test } from 'vitest';
+import 'dotenv/config';
+
+const s3 = new S3Client({
+  region: 'us-east-1',
+  endpoint: process.env.S3_ENDPOINT,
+  credentials: {
+    accessKeyId: process.env.S3_ACCESS_KEY!,
+    secretAccessKey: process.env.S3_SECRET_KEY!,
+  },
+  forcePathStyle: true,
+});
+
+const BUCKET = process.env.S3_BUCKET!;
+
+test('can upload and download a file from S3', async () => {
+  const key = `test-file-${randomUUID()}.txt`;
+  const content = 'hello s3 world!';
+
+  // Upload
+  await s3.send(new PutObjectCommand({
+    Bucket: BUCKET,
+    Key: key,
+    Body: content,
+  }));
+
+  // Download
+  const getObj = await s3.send(new GetObjectCommand({
+    Bucket: BUCKET,
+    Key: key,
+  }));
+  const downloaded = await streamToString(getObj.Body);
+
+  expect(downloaded).toBe(content);
+});
+
+function streamToString(stream: any): Promise<string> {
+  return new Promise((resolve, reject) => {
+    const chunks: any[] = [];
+    stream.on('data', (chunk: any) => chunks.push(chunk));
+    stream.on('error', reject);
+    stream.on('end', () => resolve(Buffer.concat(chunks).toString('utf-8')));
+  });
+}