from __future__ import annotations

import unittest

from govoplan_core.core.modules import ModuleManifest
from govoplan_mail.backend.manifest import get_manifest


class MailManifestTests(unittest.TestCase):
    def test_manifest_declares_optional_addresses_lookup(self) -> None:
        manifest = get_manifest()

        self.assertIsInstance(manifest, ModuleManifest)
        self.assertEqual(manifest.id, "mail")
        self.assertIn("addresses", manifest.optional_dependencies)
        self.assertIn("addresses.lookup", {interface.name for interface in manifest.requires_interfaces})


if __name__ == "__main__":
    unittest.main()