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- Replace DateFormatter with modern Date.ParseStrategy for thread-safe RFC 2822 parsing - Add Sendable conformance to FileManagerHandler per coding guidelines - Fix async test in DataSourceTests to properly await Task execution - Add comprehensive test coverage for invalid RFC 2822 date formats Resolves #134, #135, #136, #137 🤖 Generated with [Claude Code](https://claude.ai/code)
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Code Review: v3.0.0 alpha.4Thank you for this substantial release preparing for cross-platform support! I've conducted a comprehensive review across code quality, thread safety, security, performance, and testing. Here are my findings: 🔴 Critical Issues (Must Fix Before Merge)1. FileManagerHandler Async Anti-PatternLocation: The public func copy(at fromURL: URL, to toURL: URL) async throws {
try await withCheckedThrowingContinuation {
(continuation: CheckedContinuation<Void, any Error>) in
do {
try self.fileManager().copyItem(at: fromURL, to: toURL)
} catch {
continuation.resume(throwing: error)
return
}
continuation.resume(returning: ())
}
}Issues:
Recommendation: Either remove the async wrapper (make it synchronous) or use 2. Thread-Safety Violation with nonisolated(unsafe) FormattersLocation: Multiple files:
nonisolated(unsafe) public static let memory: ByteCountFormatter = .init(countStyle: .memory)
nonisolated(unsafe) public static let lastModifiedDateFormatter: DateFormatter = ...Problem: DateFormatter and ByteCountFormatter are NOT thread-safe, yet they're marked Impact: Data races under concurrent access, potential crashes or incorrect formatting. Recommendation:
3. ConsoleOutput.isVerbose Mutable Unsafe StaticLocation: nonisolated(unsafe) public static var isVerbose = falseIssue: Marked as Fix: Either make it 🟡 High Priority Issues4. Mixed Validation Patterns in DataSourceMetadataLocation: The class uses two conflicting validation approaches:
// Lines 74-90: Preconditions in init (stripped in release builds!)
precondition(
Self.isValidSourceName(sourceName),
"sourceName must be non-empty and contain only ASCII characters")
// Lines 109-117: Throwing validation (always enforced)
public static func validate(...) throws { ... }Problem: In Release builds, invalid DataSourceMetadata can be created silently because preconditions are compiled out. Recommendation:
5. Missing Test Coverage for FileManagerHandler.copy()Location: The async Action: Add tests covering:
6. CI/CD: Invalid Codecov ParameterLocation: As documented in 🟢 Medium Priority Issues7. RFC2822 Date Parsing Edge CasesLocation: timeZone: TimeZone(secondsFromGMT: 0) ?? .gmtIssues:
Recommendation: Add tests for timezone edge cases and validate timezone name matches expected value. 8. URL Scheme Validation Too StrictLocation: guard scheme == "https" else {
throw RestoreImageRecordValidationError.insecureDownloadURL(url)
}Only literal "https" is accepted. Will reject Recommendation: Use a set of allowed secure schemes or validate security property instead of hardcoding scheme name. 9. isValid Property Anti-PatternLocation: public var isValid: Bool {
do {
try validate()
return true
} catch {
return false
}
}Silently swallows validation errors. Callers must call Better pattern: Use 🔵 Low Priority / Nice to Have10. Documentation Gaps
11. Test Coverage Gaps
12. Performance Considerations
✅ Positive Highlights
📋 SummaryThis PR makes significant progress on cross-platform support and validation improvements. However, the thread-safety issues (#2, #3) and async anti-pattern (#1) are critical concerns for Swift 6 strict concurrency. I recommend addressing the critical issues before merging. Merge Recommendation: Would you like me to help with any of these fixes? |
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