Add email delivery check command

tests/test_email_report.py

@@ -3,8 +3,10 @@ from pathlib import Path
 from pve_backup_report.config import EmailConfig
 from pve_backup_report.email_report import (
     build_report_message,
+    EmailReportError,
     message_id_domain,
     send_report_email,
+    send_test_email,
 )
 
 
@@ -41,6 +43,46 @@ def test_message_id_domain_uses_sender_domain() -> None:
     assert message_id_domain(None) is None
 
 
+def test_send_test_email_builds_message_without_attachment(monkeypatch) -> None:
+    sent = []
+    config = EmailConfig(
+        enabled=True,
+        smtp_host="smtp.example.invalid",
+        smtp_from="report@example.invalid",
+        smtp_to=("admin@example.invalid",),
+        subject="Rapport PVE",
+    )
+
+    monkeypatch.setattr(
+        "pve_backup_report.email_report.send_email_message",
+        lambda email_config, message: sent.append((email_config, message)),
+    )
+
+    send_test_email(config)
+
+    assert sent[0][0] == config
+    message = sent[0][1]
+    assert message["Subject"] == "[TEST] Rapport PVE"
+    assert message["To"] == "admin@example.invalid"
+    assert list(message.iter_attachments()) == []
+
+
+def test_send_test_email_requires_enabled_config() -> None:
+    config = EmailConfig(
+        enabled=False,
+        smtp_host="smtp.example.invalid",
+        smtp_from="report@example.invalid",
+        smtp_to=("admin@example.invalid",),
+    )
+
+    try:
+        send_test_email(config)
+    except EmailReportError as exc:
+        assert "REPORT_EMAIL_ENABLED=false" in str(exc)
+    else:
+        raise AssertionError("EmailReportError attendu")
+
+
 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")