from __future__ import annotations

import unittest

from tools.milestone5_migration import build_migration_evidence


class Milestone5MigrationTests(unittest.TestCase):
    def test_actual_v1_project_index_and_proposal_migrate_exactly(self) -> None:
        evidence = build_migration_evidence()

        self.assertEqual("v1.0.0", evidence["tag"])
        self.assertEqual("2.0.0", evidence["current"]["version"])
        self.assertEqual(1, evidence["current"]["index_schema_before"])
        self.assertEqual(3, evidence["current"]["index_schema_after"])
        self.assertEqual(
            {
                "canonical_bytes_preserved": True,
                "graph_preserved": True,
                "proposal_preserved": True,
                "legacy_index_rebuilt": True,
                "cli_superset": True,
                "mcp_superset": True,
                "v1_version_mismatch_recorded": True,
            },
            evidence["proofs"],
        )


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