fraiseql-server 2.0.0-alpha.1

// Phase 12.4 Cycle 1: Credential Rotation - RED
//! Comprehensive test specifications for credential rotation and key lifecycle management:
//! Key versioning, TTL tracking, automatic refresh, multi-version decryption,
//! and rotation scheduling.

#[cfg(test)]
mod rotation_tests {
    // ============================================================================
    // KEY VERSIONING TESTS
    // ============================================================================

    /// Test key version tracking
    #[tokio::test]
    #[ignore] // Requires rotation implementation
    async fn test_key_version_tracking() {
        // When key rotates (new version issued)
        // System tracks version number: 1, 2, 3, ...
        // Each version has separate storage
        // Can retrieve specific version by ID
        // Current version is default for new encryptions
        assert!(true);
    }

    /// Test encryption stores version with ciphertext
    #[tokio::test]
    #[ignore]
    async fn test_encryption_embeds_version() {
        // When field encrypted
        // Ciphertext includes version metadata
        // Format: [version (2 bytes)][nonce][ciphertext][tag]
        // Version metadata allows transparent decryption
        assert!(true);
    }

    /// Test multi-version decryption support
    #[tokio::test]
    #[ignore]
    async fn test_multi_version_decryption() {
        // When decrypting old data encrypted with version 1
        // System reads version from ciphertext
        // Fetches corresponding version 1 key
        // Decrypts with version 1 key
        // New data uses version 2 key transparently
        assert!(true);
    }

    /// Test version retrieval for old records
    #[tokio::test]
    #[ignore]
    async fn test_retrieve_version_from_ciphertext() {
        // When decrypting ciphertext
        // First 2 bytes read as version ID
        // Version 0 = unversioned (legacy)
        // Version 1-65535 = supported versions
        // Invalid versions error gracefully
        assert!(true);
    }

    /// Test version compatibility across key rotation
    #[tokio::test]
    #[ignore]
    async fn test_version_compatibility_after_rotation() {
        // When key rotates from v1 to v2
        // Old records still decrypt with v1
        // New records encrypt with v2
        // Both work correctly in same query
        // No migration required
        assert!(true);
    }

    // ============================================================================
    // TTL AND EXPIRATION TESTS
    // ============================================================================

    /// Test key TTL tracking
    #[tokio::test]
    #[ignore]
    async fn test_key_ttl_tracking() {
        // Each key version has TTL (time to live)
        // Stored with issued_at and expires_at timestamps
        // TTL typically 30-90 days per compliance requirements
        // Can query remaining lifetime
        assert!(true);
    }

    /// Test expired key detection
    #[tokio::test]
    #[ignore]
    async fn test_expired_key_detection() {
        // When key TTL expires
        // System detects expiration (time > expires_at)
        // Cannot use for new encryptions
        // Can still decrypt old data (preserve backward compatibility)
        // Error message indicates key is expired
        assert!(true);
    }

    /// Test near-expiry warnings
    #[tokio::test]
    #[ignore]
    async fn test_near_expiry_warnings() {
        // When key has <7 days remaining
        // System logs warning
        // Alerts triggered for ops attention
        // Suggests immediate rotation
        // Warning includes time remaining
        assert!(true);
    }

    /// Test TTL configuration by framework
    #[tokio::test]
    #[ignore]
    async fn test_ttl_configuration_compliance() {
        // HIPAA: 1 year key rotation required
        // PCI-DSS: 1 year key rotation required
        // GDPR: No specific requirement, 1 year standard
        // SOC 2: No specific requirement, 1 year standard
        // System enforces minimums for each framework
        assert!(true);
    }

    // ============================================================================
    // AUTOMATIC REFRESH TESTS
    // ============================================================================

    /// Test automatic key refresh before expiry
    #[tokio::test]
    #[ignore]
    async fn test_automatic_refresh_before_expiry() {
        // When key has 14 days remaining (80% TTL consumed)
        // Automatic refresh triggered
        // NOT at expiry (too late)
        // New version created and marked current
        // Operations use new version transparently
        assert!(true);
    }

    /// Test refresh creates new version
    #[tokio::test]
    #[ignore]
    async fn test_refresh_creates_new_version() {
        // When refresh triggered
        // New encryption key generated
        // Version number incremented
        // Old version retained for decryption
        // New version marked as current_version
        assert!(true);
    }

    /// Test operations during refresh
    #[tokio::test]
    #[ignore]
    async fn test_operations_during_refresh() {
        // When key refresh in progress
        // In-flight encryptions continue with old key
        // New operations use new key
        // No dropped requests or partial updates
        // Atomic version switching
        assert!(true);
    }

    /// Test refresh scheduling
    #[tokio::test]
    #[ignore]
    async fn test_refresh_scheduling() {
        // Refresh can be scheduled (background job)
        // Or triggered on-demand (manual rotation)
        // Background task checks daily if refresh needed
        // On-demand works immediately
        // Scheduled refresh respects quiet hours if configured
        assert!(true);
    }

    // ============================================================================
    // ROTATION SCHEDULING TESTS
    // ============================================================================

    /// Test rotation schedule configuration
    #[tokio::test]
    #[ignore]
    async fn test_rotation_schedule_configuration() {
        // Rotation can be scheduled as cron expression
        // Examples: "0 2 1 * *" (monthly at 2am on 1st)
        // Or: "0 0 * * 0" (weekly at midnight Sunday)
        // Or: interval-based (every 30 days)
        // Configurable per encryption key
        assert!(true);
    }

    /// Test rotation schedule execution
    #[tokio::test]
    #[ignore]
    async fn test_rotation_schedule_execution() {
        // When scheduled time arrives
        // Rotation job triggers
        // New key version created
        // System notifies administrators
        // Audit log records rotation event
        assert!(true);
    }

    /// Test rotation scheduling with timezone
    #[tokio::test]
    #[ignore]
    async fn test_rotation_schedule_timezone() {
        // Scheduled rotation respects timezone
        // "2am UTC" vs "2am EST" respected
        // Cron expression interpreted in specified timezone
        // DST transitions handled correctly
        assert!(true);
    }

    /// Test manual rotation trigger
    #[tokio::test]
    #[ignore]
    async fn test_manual_rotation_trigger() {
        // API endpoint to trigger rotation immediately
        // POST /api/v1/admin/rotation/rotate-key
        // Rotates specified key (or all if not specified)
        // Returns new version number
        // Audit logged as admin action
        assert!(true);
    }

    // ============================================================================
    // KEY VERSION STORAGE TESTS
    // ============================================================================

    /// Test versioned key storage
    #[tokio::test]
    #[ignore]
    async fn test_versioned_key_storage() {
        // Keys stored with version metadata
        // Storage structure: {version, key, issued_at, expires_at, current}
        // Supports efficient version lookup
        // Can retrieve current version quickly
        // Can retrieve historical version by ID
        assert!(true);
    }

    /// Test current version marking
    #[tokio::test]
    #[ignore]
    async fn test_current_version_marking() {
        // Each key has one "current" version
        // New encryptions always use current
        // When rotation occurs, new version marked current
        // Old version retains decryption capability
        // Query: get_current_key_version() returns current
        assert!(true);
    }

    /// Test version history retrieval
    #[tokio::test]
    #[ignore]
    async fn test_version_history_retrieval() {
        // Can retrieve all versions of a key
        // Sorted by issue date (newest first)
        // Includes: version ID, issued_at, expires_at, status
        // Status: active, expired, compromised
        // Useful for auditing and compliance
        assert!(true);
    }

    /// Test key version lifecycle
    #[tokio::test]
    #[ignore]
    async fn test_key_version_lifecycle() {
        // Key version states: active → expiring → expired
        // Active: can encrypt/decrypt
        // Expiring: cannot encrypt, can decrypt (grace period)
        // Expired: cannot encrypt, can decrypt (archival)
        // Compromised: cannot use (quarantined)
        assert!(true);
    }

    // ============================================================================
    // DECRYPTION COMPATIBILITY TESTS
    // ============================================================================

    /// Test transparent decryption with historical keys
    #[tokio::test]
    #[ignore]
    async fn test_transparent_historical_decryption() {
        // When decrypting old record with v1 key
        // System automatically fetches v1 key
        // Decryption succeeds without application code change
        // Version handling invisible to caller
        // Performance: cached version lookup (fast)
        assert!(true);
    }

    /// Test decryption with missing version
    #[tokio::test]
    #[ignore]
    async fn test_decryption_missing_version() {
        // When ciphertext references non-existent version
        // System logs error with version ID
        // Returns clear error: "Key version 42 not found"
        // Does not crash or corrupt data
        // Audit trail preserved
        assert!(true);
    }

    /// Test batch decryption with mixed versions
    #[tokio::test]
    #[ignore]
    async fn test_batch_decryption_mixed_versions() {
        // When query returns records with different versions
        // Batch decryption handles mixed versions
        // Transparently fetches correct key per record
        // All records decrypt correctly
        // Performance: version cache prevents repeated fetches
        assert!(true);
    }

    /// Test decryption performance with versions
    #[tokio::test]
    #[ignore]
    async fn test_decryption_performance_with_versions() {
        // Decryption performance not degraded by versioning
        // Version lookup cached (O(1) after cache warmup)
        // Bulk decryption: <5% overhead from versioning
        // Cache maintains recent versions for performance
        assert!(true);
    }

    // ============================================================================
    // ROTATION COMPLIANCE TESTS
    // ============================================================================

    /// Test HIPAA rotation compliance
    #[tokio::test]
    #[ignore]
    async fn test_hipaa_rotation_compliance() {
        // HIPAA requires key rotation at least annually
        // System enforces maximum 365 day TTL
        // Warns at 330 days (alert well before deadline)
        // Can audit rotation history
        // Rotation compliance verifiable
        assert!(true);
    }

    /// Test PCI-DSS rotation compliance
    #[tokio::test]
    #[ignore]
    async fn test_pci_dss_rotation_compliance() {
        // PCI-DSS requires key rotation at least annually
        // System enforces maximum 365 day TTL
        // Automatic rotation scheduling supported
        // Rotation events logged for PCI audit
        // Non-compliance alerts generated
        assert!(true);
    }

    /// Test GDPR data minimization with rotation
    #[tokio::test]
    #[ignore]
    async fn test_gdpr_data_minimization_rotation() {
        // GDPR: minimize key exposure time
        // System limits key lifetime (1 year default)
        // More frequent rotation possible (configurable)
        // Old keys can be securely deleted after expiry
        // Audit trail preserved
        assert!(true);
    }

    /// Test SOC 2 rotation controls
    #[tokio::test]
    #[ignore]
    async fn test_soc2_rotation_controls() {
        // SOC 2: documented key rotation procedures
        // Audit log records all rotations with timestamps
        // Rotation by user ID traceable
        // Change management integration possible
        // Compliance verifiable for auditors
        assert!(true);
    }

    // ============================================================================
    // ROTATION AUDIT AND OBSERVABILITY
    // ============================================================================

    /// Test rotation audit logging
    #[tokio::test]
    #[ignore]
    async fn test_rotation_audit_logging() {
        // All key rotations logged
        // Audit includes: timestamp, triggered_by, old_version, new_version
        // Can export rotation history for compliance
        // Queryable by date range, user, key ID
        assert!(true);
    }

    /// Test rotation metrics collection
    #[tokio::test]
    #[ignore]
    async fn test_rotation_metrics_collection() {
        // Metrics: rotations_total, rotations_duration_ms, rotations_failed
        // Per-key rotation frequency
        // Last rotation timestamp
        // Time until next rotation
        // Available via metrics endpoint
        assert!(true);
    }

    /// Test rotation alerts
    #[tokio::test]
    #[ignore]
    async fn test_rotation_alerts() {
        // Alerts when rotation overdue (14+ days past deadline)
        // Alerts when rotation fails
        // Alerts when multiple failures in succession
        // Configurable severity (warning, critical)
        // Integration with alerting system
        assert!(true);
    }

    /// Test rotation status dashboard
    #[tokio::test]
    #[ignore]
    async fn test_rotation_status_dashboard() {
        // Dashboard shows all keys and rotation status
        // Status: "Healthy", "Expiring Soon", "Overdue", "Failed"
        // Days until next rotation
        // Last rotation date
        // Rotation schedule
        // One-click manual rotation trigger
        assert!(true);
    }

    // ============================================================================
    // EMERGENCY ROTATION TESTS
    // ============================================================================

    /// Test emergency key rotation
    #[tokio::test]
    #[ignore]
    async fn test_emergency_key_rotation() {
        // When key compromise suspected
        // Immediate rotation can be triggered
        // Old key marked "compromised"
        // New key becomes current immediately
        // Audit trail shows rotation reason
        assert!(true);
    }

    /// Test compromised key quarantine
    #[tokio::test]
    #[ignore]
    async fn test_compromised_key_quarantine() {
        // When key marked compromised
        // Cannot be used for encryption
        // Can still decrypt (for data recovery)
        // Audit events flagged with "COMPROMISED"
        // Alerting intensified
        assert!(true);
    }

    /// Test emergency rotation notification
    #[tokio::test]
    #[ignore]
    async fn test_emergency_rotation_notification() {
        // When emergency rotation triggered
        // Immediate notification to security team
        // Includes: key ID, reason, new version, action taken
        // Escalation level: "CRITICAL"
        // Integration with incident management
        assert!(true);
    }

    // ============================================================================
    // ROTATION TESTING AND VALIDATION
    // ============================================================================

    /// Test rotation dry-run validation
    #[tokio::test]
    #[ignore]
    async fn test_rotation_dry_run() {
        // Can test rotation without applying
        // Validates: new key generation, version increment, storage
        // Returns: new version ID, validation status, timeline
        // No state change on dry-run
        // Useful for operational planning
        assert!(true);
    }

    /// Test rotation validation before commit
    #[tokio::test]
    #[ignore]
    async fn test_rotation_validation_before_commit() {
        // Before marking new version current
        // System validates: key encryption works, decryption works
        // Test encrypt/decrypt cycle
        // Verify version metadata correct
        // Only mark current if validation passes
        assert!(true);
    }

    /// Test decryption compatibility testing
    #[tokio::test]
    #[ignore]
    async fn test_decryption_compatibility_testing() {
        // Before rotation, can test old ciphertexts decrypt
        // Verify: random sample of encrypted records
        // Ensures rotation won't break existing data
        // Can detect data corruption early
        // Results reported before applying rotation
        assert!(true);
    }
}