first commit

backend/tests/test_mime_parser.py

@@ -0,0 +1,28 @@
+from app.services.mime_parser import parse_mime
+
+
+def test_parse_mime_extracts_fallback_sender_bodies_and_attachments():
+    raw = (
+        b"From: sender@example.com\r\n"
+        b"To: User <user@getall.help>\r\n"
+        b"Subject: Production test\r\n"
+        b"Message-ID: <one@example.com>\r\n"
+        b"MIME-Version: 1.0\r\n"
+        b'Content-Type: multipart/mixed; boundary="b"\r\n\r\n'
+        b"--b\r\nContent-Type: text/plain; charset=utf-8\r\n\r\nHello world\r\n"
+        b"--b\r\nContent-Type: application/octet-stream\r\n"
+        b'Content-Disposition: attachment; filename="sample.bin"\r\n\r\nabc\r\n'
+        b"--b--\r\n"
+    )
+
+    parsed = parse_mime(raw)
+
+    assert parsed["sender"] == {
+        "name": "sender",
+        "address": "sender@example.com",
+    }
+    assert parsed["subject"] == "Production test"
+    assert parsed["snippet"] == "Hello world"
+    assert parsed["body_text"] == "Hello world"
+    assert parsed["attachments"][0]["filename"] == "sample.bin"
+    assert parsed["attachments"][0]["size"] == 3