Add email delivery for generated reports

tests/test_email_report.py

@@ -0,0 +1,75 @@
+from pathlib import Path
+
+from pve_backup_report.config import EmailConfig
+from pve_backup_report.email_report import build_report_message, send_report_email
+
+
+def test_build_report_message_attaches_pdf(tmp_path: Path) -> None:
+    pdf_path = tmp_path / "rapport.pdf"
+    pdf_path.write_bytes(b"%PDF-1.7")
+    config = EmailConfig(
+        enabled=True,
+        smtp_host="smtp.example.invalid",
+        smtp_from="report@example.invalid",
+        smtp_to=("admin@example.invalid",),
+        subject="Rapport PVE",
+    )
+
+    message = build_report_message(config, pdf_path)
+
+    assert message["Subject"] == "Rapport PVE"
+    assert message["From"] == "report@example.invalid"
+    assert message["To"] == "admin@example.invalid"
+    attachments = list(message.iter_attachments())
+    assert len(attachments) == 1
+    assert attachments[0].get_filename() == "rapport.pdf"
+    assert attachments[0].get_content_type() == "application/pdf"
+    assert attachments[0].get_payload(decode=True) == b"%PDF-1.7"
+
+
+def test_send_report_email_uses_starttls_and_auth(tmp_path: Path, monkeypatch) -> None:
+    pdf_path = tmp_path / "rapport.pdf"
+    pdf_path.write_bytes(b"%PDF-1.7")
+    calls = []
+
+    class FakeSmtp:
+        def __init__(self, host: str, port: int, timeout: int) -> None:
+            calls.append(("connect", host, port, timeout))
+
+        def __enter__(self):
+            return self
+
+        def __exit__(self, exc_type, exc, traceback) -> None:
+            calls.append(("close",))
+
+        def starttls(self) -> None:
+            calls.append(("starttls",))
+
+        def login(self, username: str, password: str) -> None:
+            calls.append(("login", username, password))
+
+        def send_message(self, message) -> None:
+            calls.append(("send", message["To"]))
+
+    monkeypatch.setattr("pve_backup_report.email_report.smtplib.SMTP", FakeSmtp)
+    config = EmailConfig(
+        enabled=True,
+        smtp_host="smtp.example.invalid",
+        smtp_port=587,
+        smtp_username="report@example.invalid",
+        smtp_password="secret",
+        smtp_from="report@example.invalid",
+        smtp_to=("admin@example.invalid",),
+        smtp_starttls=True,
+        smtp_timeout_seconds=12,
+    )
+
+    send_report_email(config, pdf_path)
+
+    assert calls == [
+        ("connect", "smtp.example.invalid", 587, 12),
+        ("starttls",),
+        ("login", "report@example.invalid", "secret"),
+        ("send", "admin@example.invalid"),
+        ("close",),
+    ]