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// Phase 12.3 Cycle 10: Error Recovery Tests (RED)
//! Comprehensive test specifications for encryption error recovery:
//! Vault outages, key expiry, network partitions, and graceful degradation.
#[cfg(test)]
mod error_recovery_tests {
// ============================================================================
// VAULT TEMPORARY OUTAGE TESTS
// ============================================================================
/// Test encryption with Vault temporarily unavailable
#[tokio::test]
#[ignore] // Requires error recovery implementation
async fn test_vault_temporary_outage_with_cache() {
// When Vault becomes temporarily unavailable
// With cached encryption key: operations continue normally
// Cache hit provides key without Vault access
// Vault recovery automatic when available again
assert!(true);
}
/// Test encryption fails gracefully without cache
#[tokio::test]
#[ignore]
async fn test_vault_outage_no_cache_graceful_failure() {
// When Vault unavailable and key not in cache
// Encryption fails with clear error
// Error indicates "Vault unavailable"
// Retry logic not automatic (caller decides)
assert!(true);
}
/// Test retry logic with exponential backoff
#[tokio::test]
#[ignore]
async fn test_vault_retry_exponential_backoff() {
// When Vault connection fails
// Retry with exponential backoff
// First retry: 100ms
// Second retry: 200ms
// Third retry: 400ms
// Max retries: 3 (configurable)
assert!(true);
}
/// Test connection pool handles Vault outage
#[tokio::test]
#[ignore]
async fn test_connection_pool_vault_outage() {
// When Vault connection fails
// Connection pool marks connection as bad
// New connections attempted
// Pool doesn't reuse failed connections
assert!(true);
}
/// Test health check detection
#[tokio::test]
#[ignore]
async fn test_vault_health_check_detection() {
// Periodic health checks to Vault
// Detects unavailability quickly
// Triggers failover to cache
// Alerts on persistent failure
assert!(true);
}
// ============================================================================
// KEY EXPIRY TESTS
// ============================================================================
/// Test encryption key expiry detection
#[tokio::test]
#[ignore]
async fn test_encryption_key_expiry_detection() {
// When encryption key lease expires
// System detects expiry
// Invalidates cached key
// Requests new key from Vault
// Operations continue with new key
assert!(true);
}
/// Test key refresh before expiry
#[tokio::test]
#[ignore]
async fn test_key_refresh_before_expiry() {
// Key refresh should happen before expiry
// Not at expiry (too late)
// Refresh at 80% of TTL
// Ensures no stale keys
assert!(true);
}
/// Test multiple key versions
#[tokio::test]
#[ignore]
async fn test_multiple_key_versions_decryption() {
// When records encrypted with different key versions
// Old records decrypt with old key (Vault versioning)
// New records decrypt with current key
// Transparent version handling
assert!(true);
}
/// Test key expiry with operations in flight
#[tokio::test]
#[ignore]
async fn test_key_expiry_operations_in_flight() {
// When key expires during operation
// In-flight operations complete with original key
// New operations use refreshed key
// No data corruption
assert!(true);
}
/// Test key expiry error message
#[tokio::test]
#[ignore]
async fn test_key_expiry_clear_error_message() {
// When operation fails due to key expiry
// Error message: "Encryption key expired"
// Indicates key will be refreshed
// Suggests retry
assert!(true);
}
// ============================================================================
// NETWORK PARTITION TESTS
// ============================================================================
/// Test encryption during network partition
#[tokio::test]
#[ignore]
async fn test_network_partition_with_cache() {
// When network partition occurs
// With cache: operations use cached keys
// Vault not accessible but operations succeed
// Cache provides fallback availability
assert!(true);
}
/// Test network partition without cache
#[tokio::test]
#[ignore]
async fn test_network_partition_no_cache_failure() {
// When network partition and no cache
// Encryption fails with clear error
// Error: "Unable to reach Vault"
// Indicates network issue, not key issue
assert!(true);
}
/// Test network partition detection
#[tokio::test]
#[ignore]
async fn test_network_partition_detection() {
// System detects network partition
// Connection timeouts indicate partition
// Health checks fail consistently
// Alerts on partition detection
assert!(true);
}
/// Test recovery from network partition
#[tokio::test]
#[ignore]
async fn test_network_partition_recovery() {
// When network partition heals
// Connection reestablished to Vault
// Health checks resume succeeding
// Cache invalidation triggered if needed
// Operations continue normally
assert!(true);
}
// ============================================================================
// GRACEFUL DEGRADATION TESTS
// ============================================================================
/// Test encryption with degraded Vault availability
#[tokio::test]
#[ignore]
async fn test_degraded_vault_availability() {
// When Vault slow (high latency)
// Requests may timeout
// Cache provides fallback
// Operations don't block indefinitely
assert!(true);
}
/// Test encryption load shedding
#[tokio::test]
#[ignore]
async fn test_encryption_load_shedding() {
// When system under load
// Prioritize read operations (SELECT with decryption)
// May queue write operations (INSERT/UPDATE with encryption)
// Prevents cascading failures
assert!(true);
}
/// Test encryption circuit breaker pattern
#[tokio::test]
#[ignore]
async fn test_encryption_circuit_breaker() {
// After N failures to Vault
// Circuit breaker opens
// Fast fail for subsequent requests
// Prevents prolonged timeouts
// Circuit breaker closes on success
assert!(true);
}
/// Test fallback to read-only mode
#[tokio::test]
#[ignore]
async fn test_fallback_read_only_mode() {
// When Vault unavailable
// Could operate in read-only mode
// SELECT operations work (with cache)
// INSERT/UPDATE blocked with clear message
// Prevents incomplete transactions
assert!(true);
}
// ============================================================================
// ERROR CONTEXT & DIAGNOSTICS
// ============================================================================
/// Test error context includes recovery suggestion
#[tokio::test]
#[ignore]
async fn test_error_context_recovery_suggestion() {
// When encryption fails
// Error includes context
// Suggests possible causes
// Recommends recovery actions
// Example: "Vault unavailable. Check network connectivity. Retry after 30s."
assert!(true);
}
/// Test error logging with correlation ID
#[tokio::test]
#[ignore]
async fn test_error_logging_correlation_id() {
// When error occurs
// Logged with request/transaction ID
// Can correlate errors across system
// Support can trace user requests
assert!(true);
}
/// Test error metrics collection
#[tokio::test]
#[ignore]
async fn test_error_metrics_collection() {
// Metrics collected for all errors
// Error type, frequency, severity
// Available via monitoring/alerting
// Alerts on error rate threshold
assert!(true);
}
/// Test error patterns detection
#[tokio::test]
#[ignore]
async fn test_error_patterns_detection() {
// System detects error patterns
// Multiple timeouts suggest network issue
// Multiple key_not_found suggest config issue
// Patterns trigger different recovery
assert!(true);
}
// ============================================================================
// CACHE STABILITY TESTS
// ============================================================================
/// Test cache survives Vault outage
#[tokio::test]
#[ignore]
async fn test_cache_survives_vault_outage() {
// When Vault becomes unavailable
// Cached keys remain available
// Cache not cleared on Vault failure
// Provides continuity of service
assert!(true);
}
/// Test cache eviction under load
#[tokio::test]
#[ignore]
async fn test_cache_eviction_under_load() {
// When many keys accessed under load
// LRU eviction works correctly
// Most-used keys stay cached
// Performance doesn't degrade
assert!(true);
}
/// Test cache coherency after key rotation
#[tokio::test]
#[ignore]
async fn test_cache_coherency_key_rotation() {
// When key rotates
// Cache invalidated for that key
// New key fetched on next access
// Other cached keys unaffected
assert!(true);
}
// ============================================================================
// TRANSACTION CONSISTENCY TESTS
// ============================================================================
/// Test transaction rollback on encryption failure
#[tokio::test]
#[ignore]
async fn test_transaction_rollback_encryption_failure() {
// When encryption fails mid-transaction
// Entire transaction rolled back
// No partial encrypted data committed
// Application can retry
assert!(true);
}
/// Test transaction consistency after Vault recovery
#[tokio::test]
#[ignore]
async fn test_transaction_consistency_vault_recovery() {
// Transaction failed due to Vault outage
// Vault recovers
// Application retries transaction
// New attempt succeeds
// Consistent state maintained
assert!(true);
}
/// Test encryption failure doesn't corrupt state
#[tokio::test]
#[ignore]
async fn test_encryption_failure_no_state_corruption() {
// When encryption fails
// System state not corrupted
// Database unchanged
// Keys unchanged
// Can safely retry
assert!(true);
}
// ============================================================================
// OBSERVABILITY & ALERTING
// ============================================================================
/// Test alerts on encryption errors
#[tokio::test]
#[ignore]
async fn test_alerts_encryption_errors() {
// When errors exceed threshold
// Alert triggered
// Alert includes: error type, frequency, affected operations
// Severity levels: warning (1-5), error (5-20), critical (>20)
assert!(true);
}
/// Test dashboards show error details
#[tokio::test]
#[ignore]
async fn test_dashboard_error_details() {
// Dashboard shows error rates per operation
// Error types and patterns
// Recovery success rate
// SLO compliance with errors included
assert!(true);
}
/// Test distributed tracing of errors
#[tokio::test]
#[ignore]
async fn test_distributed_tracing_errors() {
// Errors traced across services
// Request flow visible
// Where error occurred identifiable
// Timeline of error events clear
assert!(true);
}
/// Test health status reporting
#[tokio::test]
#[ignore]
async fn test_health_status_reporting() {
// Health endpoint reports encryption subsystem status
// Statuses: healthy, degraded, unavailable
// Includes: Vault connectivity, cache status, recent errors
// Used by orchestration for failover decisions
assert!(true);
}
}