Fix Stefano PDF email delivery path

integrations/google-workspace/gw.test.js

@@ -0,0 +1,34 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const { spawnSync } = require('node:child_process');
+const path = require('node:path');
+const { makeRawEmail } = require('./gw.js');
+
+test('help documents attachment support for send', () => {
+  const gwPath = path.join(__dirname, 'gw.js');
+  const result = spawnSync(process.execPath, [gwPath, 'help'], { encoding: 'utf8' });
+
+  assert.equal(result.status, 0, result.stderr);
+  assert.match(result.stdout, /send --to <email> --subject <text> --body <text> \[--html\] \[--attach <file>\]/);
+});
+
+test('makeRawEmail builds multipart messages when attachments are present', () => {
+  const raw = makeRawEmail({
+    from: 'stefano@fiorinis.com',
+    to: 'stefano@fiorinis.com',
+    subject: 'Attachment test',
+    body: 'Attached PDF.',
+    attachments: [
+      {
+        filename: 'report.pdf',
+        contentType: 'application/pdf',
+        data: Buffer.from('%PDF-1.4\n%test\n').toString('base64'),
+      },
+    ],
+  });
+
+  const decoded = Buffer.from(raw, 'base64').toString('utf8');
+  assert.match(decoded, /Content-Type: multipart\/mixed; boundary=/);
+  assert.match(decoded, /Content-Disposition: attachment; filename="report\.pdf"/);
+  assert.match(decoded, /Content-Type: application\/pdf; name="report\.pdf"/);
+});