import sys
import unittest
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent))

from verify_release_gate import validate_release_report


def valid_report():
    return {
        "release_id": "release-2026-09-01-001",
        "from_stage": "development",
        "to_stage": "internal",
        "slo_passed": True,
        "security_passed": True,
        "cost_passed": True,
        "rollback_rehearsed": True,
        "playtests": {"eu_passed": True, "na_passed": True},
        "legacy": {"phase6_passed": True, "enet_passed": True},
    }


class ReleaseGateTest(unittest.TestCase):
    def test_accepts_one_complete_promotion(self):
        self.assertEqual(validate_release_report(valid_report()), ("development", "internal"))

    def test_rejects_skipped_stage(self):
        report = valid_report()
        report["to_stage"] = "casual"
        with self.assertRaises(ValueError):
            validate_release_report(report)

    def test_rejects_missing_or_false_gate(self):
        report = valid_report()
        del report["playtests"]["na_passed"]
        with self.assertRaises(ValueError):
            validate_release_report(report)
        report = valid_report()
        report["cost_passed"] = 1
        with self.assertRaises(ValueError):
            validate_release_report(report)

    def test_rejects_unknown_stage_and_blank_release(self):
        report = valid_report()
        report["release_id"] = "  "
        with self.assertRaises(ValueError):
            validate_release_report(report)
        report = valid_report()
        report["from_stage"] = "experimental"
        with self.assertRaises(ValueError):
            validate_release_report(report)


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