"""
Sudarshan Engine Test Suite

Comprehensive testing framework for quantum-safe cybersecurity engine.
"""

__version__ = "1.0.0"
__author__ = "Sudarshan Engine Team"

# Test configuration
TEST_CONFIG = {
    "crypto_backends": ["liboqs", "openssl"],
    "security_levels": ["basic", "standard", "high", "critical"],
    "test_timeout": 300,  # 5 minutes
    "parallel_workers": 4,
    "coverage_target": 85,
    "performance_baseline": {
        "key_generation": 0.1,  # seconds
        "encryption": 0.05,
        "decryption": 0.05,
        "signature": 0.02,
        "verification": 0.01
    }
}

# Test utilities
def get_test_data(size: int = 1024) -> bytes:
    """Generate test data of specified size."""
    import secrets
    return secrets.token_bytes(size)

def get_test_metadata() -> dict:
    """Generate test metadata."""
    from datetime import datetime
    return {
        "creator": "Sudarshan Engine Test",
        "created_at": datetime.utcnow().isoformat(),
        "algorithm": "Kyber1024",
        "signature": "Dilithium5",
        "test_id": "test_123"
    }

def assert_security_properties(test_func):
    """Decorator to assert security properties in tests."""
    def wrapper(*args, **kwargs):
        # Pre-test security checks
        initial_state = get_security_state()

        try:
            result = test_func(*args, **kwargs)

            # Post-test security verification
            final_state = get_security_state()
            verify_security_invariants(initial_state, final_state)

            return result

        except Exception as e:
            # Log security failure
            log_security_failure(e, test_func.__name__)
            raise

    return wrapper

def get_security_state():
    """Get current security state for testing."""
    # This would integrate with the security manager
    return {
        "enclave_status": "available",
        "key_count": 0,
        "audit_events": 0
    }

def verify_security_invariants(initial, final):
    """Verify security invariants between test states."""
    # Ensure no keys leaked
    assert final["key_count"] >= initial["key_count"], "Keys may have leaked"

    # Ensure audit trail integrity
    assert final["audit_events"] >= initial["audit_events"], "Audit trail incomplete"

def log_security_failure(exception, test_name):
    """Log security test failures."""
    import logging
    logging.error(f"Security test failure in {test_name}: {exception}")

# Test fixtures
class TestFixture:
    """Base test fixture class."""

    def setup_method(self):
        """Setup before each test method."""
        self.test_data = get_test_data()
        self.test_metadata = get_test_metadata()

    def teardown_method(self):
        """Cleanup after each test method."""
        # Secure cleanup
        self.test_data = None
        self.test_metadata = None

# Export test utilities
__all__ = [
    "TEST_CONFIG",
    "get_test_data",
    "get_test_metadata",
    "assert_security_properties",
    "TestFixture"
]