Merge pull request 'WP-1: durable SpoolStore with crash reconciliation and removed/' (#4) from wp1/spool-store-20260831 into feat/shotdeck-20260830
This commit was merged in pull request #4.
This commit is contained in:
@@ -0,0 +1,418 @@
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import Foundation
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import ImageIO
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import CoreGraphics
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import Darwin
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public actor SpoolStore {
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private let paths: AppSupportPaths
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private var openSession: CaptureSession
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public init(paths: AppSupportPaths) throws {
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self.paths = paths
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let fm = FileManager.default
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try Self.supersedeSpoolArchiveOverlaps(paths: paths, fileManager: fm)
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try Self.finishInterruptedArchives(paths: paths, fileManager: fm)
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let remainingIDs = try Self.listUUIDDirectories(in: paths.spool, fileManager: fm)
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if remainingIDs.isEmpty {
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self.openSession = try Self.createFreshSession(paths: paths)
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} else {
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var candidates: [CaptureSession] = []
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for id in remainingIDs {
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let dir = paths.sessionDirectory(id)
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candidates.append(
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try Self.reconcileSessionDirectory(
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at: dir, id: id, assumedStateIfRebuilt: .open, fileManager: fm))
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}
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self.openSession = Self.pickNewest(first: candidates[0], rest: Array(candidates.dropFirst()))
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}
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}
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/// The session currently accepting captures. Cheap accessor — all reconciliation already
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/// happened once, inside init.
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public func currentSession() throws -> CaptureSession {
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openSession
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}
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/// Writes `pngData` to disk and fsyncs it BEFORE the manifest is touched, then updates and
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/// durably writes the manifest. Order is non-negotiable: image durable -> manifest durable
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/// -> return. Uses AtomicFile.write/writeJSON for both writes — never Data.write(to:).
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public func append(
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pngData: Data, pixelWidth: Int, pixelHeight: Int,
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scale: CGFloat, capturedAt: Date
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) throws -> Capture {
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let captureID = UUID()
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let sequence = openSession.nextSequence
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let fileName = "\(String(format: "%03d", sequence))-\(Self.hexSuffix(captureID)).png"
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let sessionDir = paths.sessionDirectory(openSession.id)
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let fileURL = sessionDir.appendingPathComponent(fileName)
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try AtomicFile.write(pngData, to: fileURL)
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let capture = Capture(
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id: captureID, sequence: sequence, fileName: fileName,
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pixelWidth: pixelWidth, pixelHeight: pixelHeight,
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scale: scale, capturedAt: capturedAt)
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let updated = openSession.appending(capture)
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try AtomicFile.writeJSON(updated, to: sessionDir.appendingPathComponent("session.json"))
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openSession = updated
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return capture
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}
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/// D-11: moves the capture's PNG into `<sessionDir>/removed/` (created lazily) and drops
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/// its manifest entry. NEVER unlinks/deletes a user PNG. Throws (no filesystem change) if
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/// `captureID` is not present in the open session.
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public func remove(captureID: UUID) throws -> CaptureSession {
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guard let capture = openSession.captures.first(where: { $0.id == captureID }) else {
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throw ShotdeckError.spoolWriteFailed(
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path: paths.sessionDirectory(openSession.id).path,
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underlying: "capture \(captureID) is not in the open session")
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}
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let sessionDir = paths.sessionDirectory(openSession.id)
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let removedDir = sessionDir.appendingPathComponent("removed", isDirectory: true)
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do {
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try FileManager.default.createDirectory(at: removedDir, withIntermediateDirectories: true)
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} catch {
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throw ShotdeckError.spoolWriteFailed(path: removedDir.path, underlying: error.localizedDescription)
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}
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let sourceURL = sessionDir.appendingPathComponent(capture.fileName)
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let destURL = removedDir.appendingPathComponent(capture.fileName)
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guard rename(sourceURL.path, destURL.path) == 0 else {
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throw ShotdeckError.spoolWriteFailed(
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path: destURL.path,
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underlying: "could not move the capture into removed/: \(String(cString: strerror(errno)))")
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}
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try AtomicFile.fsyncDirectory(at: removedDir)
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let updated = openSession.removing(captureID: captureID)
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try AtomicFile.writeJSON(updated, to: sessionDir.appendingPathComponent("session.json"))
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openSession = updated
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return updated
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}
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/// Closes the open session (must be non-empty), moves its directory under archive/, records
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/// pdfFileName, and starts a fresh empty open session. Returns the archived one.
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public func archiveCurrent(pdfFileName: String) throws -> CaptureSession {
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guard !openSession.isEmpty else {
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throw ShotdeckError.spoolWriteFailed(
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path: paths.sessionDirectory(openSession.id).path,
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underlying: "cannot archive an empty session")
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}
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let archived = openSession.markArchived(pdfFileName: pdfFileName)
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let sessionDir = paths.sessionDirectory(openSession.id)
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try AtomicFile.writeJSON(archived, to: sessionDir.appendingPathComponent("session.json"))
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let archiveDir = paths.archiveDirectory(openSession.id)
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guard rename(sessionDir.path, archiveDir.path) == 0 else {
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throw ShotdeckError.spoolWriteFailed(
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path: sessionDir.path,
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underlying: "could not move the session into archive/: \(String(cString: strerror(errno)))")
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}
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try AtomicFile.fsyncDirectory(at: paths.archive)
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let fresh = try Self.createFreshSession(paths: paths)
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openSession = fresh
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return archived
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}
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/// Abandons the open session only if it is empty (mints a new id/dir/manifest); throws,
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/// with no filesystem change, if the open session has captures.
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public func startNewSession() throws -> CaptureSession {
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guard openSession.isEmpty else {
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throw ShotdeckError.spoolWriteFailed(
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path: paths.sessionDirectory(openSession.id).path,
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underlying: "cannot start a new session: \(openSession.captures.count) capture(s) present in the open session")
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}
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let fresh = try Self.createFreshSession(paths: paths)
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openSession = fresh
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return fresh
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}
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/// Absolute URL of a capture's PNG, in whichever top-level directory its session lives
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/// (spool/ if session.state == .open, archive/ if .archived).
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public func imageURL(for capture: Capture, in session: CaptureSession) -> URL {
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let dir = session.state == .open ? paths.sessionDirectory(session.id) : paths.archiveDirectory(session.id)
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return dir.appendingPathComponent(capture.fileName)
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}
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/// Archived sessions, newest createdAt first. Lazily reconciles each archive/ directory
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/// the same way init reconciles spool/ candidates (orphan recovery, missing-drop, corrupt
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/// rebuild) — an archived session's manifest can degrade too and must self-heal without
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/// ever losing a PNG.
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public func archivedSessions() throws -> [CaptureSession] {
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let ids = try Self.listUUIDDirectories(in: paths.archive, fileManager: .default)
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var sessions: [CaptureSession] = []
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for id in ids {
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sessions.append(
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try Self.reconcileSessionDirectory(
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at: paths.archiveDirectory(id), id: id, assumedStateIfRebuilt: .archived, fileManager: .default))
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}
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return sessions.sorted { ($0.createdAt, $0.id.uuidString) > ($1.createdAt, $1.id.uuidString) }
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}
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// MARK: - Reconciliation (static so they can run inside init)
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private static func listUUIDDirectories(in parent: URL, fileManager: FileManager) throws -> [UUID] {
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let entries: [URL]
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do {
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entries = try fileManager.contentsOfDirectory(
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at: parent,
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includingPropertiesForKeys: [.isDirectoryKey],
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options: [])
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} catch {
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throw ShotdeckError.spoolWriteFailed(path: parent.path, underlying: error.localizedDescription)
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}
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var ids: [UUID] = []
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for url in entries {
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let isDirectory = (try? url.resourceValues(forKeys: [.isDirectoryKey]).isDirectory) ?? false
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guard isDirectory else { continue }
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if let id = UUID(uuidString: url.lastPathComponent) {
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ids.append(id)
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}
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}
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return ids
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}
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private static func supersedeSpoolArchiveOverlaps(paths: AppSupportPaths, fileManager: FileManager) throws {
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let spoolIDs = Set(try listUUIDDirectories(in: paths.spool, fileManager: fileManager))
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let archiveIDs = Set(try listUUIDDirectories(in: paths.archive, fileManager: fileManager))
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for id in spoolIDs.intersection(archiveIDs) {
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let spoolDir = paths.sessionDirectory(id)
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let supersededDir = paths.spool.appendingPathComponent(
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"\(id.uuidString).superseded-\(DubaiTime.fileStamp(Date()))", isDirectory: true)
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guard rename(spoolDir.path, supersededDir.path) == 0 else {
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throw ShotdeckError.spoolWriteFailed(
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path: spoolDir.path,
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underlying: "could not supersede a duplicate spool copy: \(String(cString: strerror(errno)))")
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}
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try AtomicFile.fsyncDirectory(at: paths.spool)
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Log.spool.warning("Found session \(id.uuidString, privacy: .public) in both spool/ and archive/; kept the archive copy and superseded the spool copy — nothing was deleted.")
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}
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}
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private static func finishInterruptedArchives(paths: AppSupportPaths, fileManager: FileManager) throws {
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for id in try listUUIDDirectories(in: paths.spool, fileManager: fileManager) {
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let spoolDir = paths.sessionDirectory(id)
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let manifestURL = spoolDir.appendingPathComponent("session.json")
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guard let data = try? Data(contentsOf: manifestURL),
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let decoded = try? decodeSession(from: data),
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decoded.id == id, decoded.state == .archived
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else { continue }
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let archiveDir = paths.archiveDirectory(id)
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guard rename(spoolDir.path, archiveDir.path) == 0 else {
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throw ShotdeckError.spoolWriteFailed(
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path: spoolDir.path,
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underlying: "could not complete an interrupted archive move: \(String(cString: strerror(errno)))")
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}
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try AtomicFile.fsyncDirectory(at: paths.archive)
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Log.spool.warning("Completed an archive move for \(id.uuidString, privacy: .public) that was interrupted before this launch.")
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}
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}
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private static func reconcileSessionDirectory(
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at dir: URL,
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id: UUID,
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assumedStateIfRebuilt: SessionState,
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fileManager: FileManager
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) throws -> CaptureSession {
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let manifestURL = dir.appendingPathComponent("session.json")
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let decoded: CaptureSession?
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if let data = try? Data(contentsOf: manifestURL),
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let session = try? decodeSession(from: data),
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session.id == id {
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decoded = session
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} else {
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decoded = nil
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}
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guard let session = decoded else {
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return try rebuildManifest(
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at: dir,
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id: id,
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assumedState: assumedStateIfRebuilt,
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fileManager: fileManager)
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}
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var present: [Capture] = []
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var missingCount = 0
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for capture in session.captures {
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let fileURL = dir.appendingPathComponent(capture.fileName)
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if fileManager.fileExists(atPath: fileURL.path) {
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present.append(capture)
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} else {
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missingCount += 1
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}
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}
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let referenced = Set(session.captures.map(\.fileName))
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let pngs = try listCapturePNGs(in: dir, fileManager: fileManager)
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var recoveredOrphans: [Capture] = []
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for pngURL in pngs where !referenced.contains(pngURL.lastPathComponent) {
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if let recovered = recoverCapture(from: pngURL, fileManager: fileManager) {
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recoveredOrphans.append(recovered)
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} else {
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Log.spool.error("Could not decode orphan PNG at \(pngURL.path, privacy: .public); leaving it on disk.")
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}
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}
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let deletedTmp = deleteStrayTmpFiles(in: dir, fileManager: fileManager)
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if missingCount == 0 && recoveredOrphans.isEmpty && !deletedTmp {
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return session
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}
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let finalCaptures = (present + recoveredOrphans).sorted { $0.sequence < $1.sequence }
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let updated = CaptureSession(
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id: session.id,
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createdAt: session.createdAt,
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state: session.state,
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captures: finalCaptures,
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pdfFileName: session.pdfFileName)
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try AtomicFile.writeJSON(updated, to: manifestURL)
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Log.spool.warning("Reconciled session \(id.uuidString, privacy: .public): dropped \(missingCount) missing PNG(s), recovered \(recoveredOrphans.count) orphan(s).")
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return updated
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}
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private static func rebuildManifest(
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at dir: URL,
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id: UUID,
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assumedState: SessionState,
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fileManager: FileManager
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) throws -> CaptureSession {
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let manifestURL = dir.appendingPathComponent("session.json")
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if fileManager.fileExists(atPath: manifestURL.path) {
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let corruptURL = dir.appendingPathComponent(
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"session.json.corrupt-\(DubaiTime.fileStamp(Date()))")
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do {
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try fileManager.moveItem(at: manifestURL, to: corruptURL)
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} catch {
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throw ShotdeckError.spoolWriteFailed(
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path: manifestURL.path,
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underlying: "could not quarantine a corrupt manifest: \(error.localizedDescription)")
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}
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}
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var recovered: [Capture] = []
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for pngURL in try listCapturePNGs(in: dir, fileManager: fileManager) {
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if let capture = recoverCapture(from: pngURL, fileManager: fileManager) {
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recovered.append(capture)
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} else {
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Log.spool.error("Could not decode PNG at \(pngURL.path, privacy: .public) while rebuilding the manifest; leaving it on disk.")
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}
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}
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_ = deleteStrayTmpFiles(in: dir, fileManager: fileManager)
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recovered.sort { $0.sequence < $1.sequence }
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let createdAt: Date
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if let earliest = recovered.map(\.capturedAt).min() {
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createdAt = earliest
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} else {
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createdAt = (try? dir.resourceValues(forKeys: [.creationDateKey]))?.creationDate ?? Date()
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}
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let rebuilt = CaptureSession(
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id: id,
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createdAt: createdAt,
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state: assumedState,
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captures: recovered,
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pdfFileName: nil)
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try AtomicFile.writeJSON(rebuilt, to: dir.appendingPathComponent("session.json"))
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Log.spool.warning("Rebuilt manifest for \(id.uuidString, privacy: .public) from \(recovered.count) recovered PNG(s).")
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if assumedState == .archived {
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Log.spool.warning("Rebuilt an archived session \(id.uuidString, privacy: .public) from PNGs; pdfFileName could not be recovered.")
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}
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return rebuilt
|
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}
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private static func recoverCapture(from fileURL: URL, fileManager: FileManager) -> Capture? {
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guard fileManager.fileExists(atPath: fileURL.path) else { return nil }
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guard let source = CGImageSourceCreateWithURL(fileURL as CFURL, nil),
|
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let properties = CGImageSourceCopyPropertiesAtIndex(source, 0, nil) as NSDictionary?,
|
||||
let width = (properties[kCGImagePropertyPixelWidth] as? NSNumber)?.intValue,
|
||||
let height = (properties[kCGImagePropertyPixelHeight] as? NSNumber)?.intValue
|
||||
else { return nil }
|
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let name = fileURL.lastPathComponent
|
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let sequence = Int(name.prefix(3)) ?? 1
|
||||
let capturedAt = (try? fileURL.resourceValues(forKeys: [.creationDateKey]))?.creationDate ?? Date()
|
||||
return Capture(
|
||||
id: UUID(),
|
||||
sequence: sequence,
|
||||
fileName: name,
|
||||
pixelWidth: width,
|
||||
pixelHeight: height,
|
||||
scale: 1.0,
|
||||
capturedAt: capturedAt)
|
||||
}
|
||||
|
||||
private static func pickNewest(first: CaptureSession, rest: [CaptureSession]) -> CaptureSession {
|
||||
rest.reduce(first) { current, candidate in
|
||||
let currentKey = (current.createdAt, current.id.uuidString)
|
||||
let candidateKey = (candidate.createdAt, candidate.id.uuidString)
|
||||
return candidateKey > currentKey ? candidate : current
|
||||
}
|
||||
}
|
||||
|
||||
private static func createFreshSession(paths: AppSupportPaths) throws -> CaptureSession {
|
||||
let id = UUID()
|
||||
let createdAt = Date()
|
||||
let dir = paths.sessionDirectory(id)
|
||||
do {
|
||||
try FileManager.default.createDirectory(at: dir, withIntermediateDirectories: true)
|
||||
} catch {
|
||||
throw ShotdeckError.spoolWriteFailed(path: dir.path, underlying: error.localizedDescription)
|
||||
}
|
||||
let session = CaptureSession(id: id, createdAt: createdAt, state: .open, captures: [], pdfFileName: nil)
|
||||
try AtomicFile.writeJSON(session, to: dir.appendingPathComponent("session.json"))
|
||||
return session
|
||||
}
|
||||
|
||||
private static func hexSuffix(_ id: UUID) -> String {
|
||||
String(id.uuidString.replacingOccurrences(of: "-", with: "").prefix(8)).uppercased()
|
||||
}
|
||||
|
||||
private static func decodeSession(from data: Data) throws -> CaptureSession {
|
||||
let decoder = JSONDecoder()
|
||||
decoder.dateDecodingStrategy = .iso8601
|
||||
return try decoder.decode(CaptureSession.self, from: data)
|
||||
}
|
||||
|
||||
private static func isCapturePNGName(_ name: String) -> Bool {
|
||||
guard name.hasSuffix(".png") else { return false }
|
||||
let stem = String(name.dropLast(4))
|
||||
let parts = stem.split(separator: "-", maxSplits: 1, omittingEmptySubsequences: false)
|
||||
guard parts.count == 2,
|
||||
parts[0].count == 3,
|
||||
parts[0].allSatisfy(\.isNumber),
|
||||
parts[1].count == 8,
|
||||
parts[1].allSatisfy(\.isHexDigit)
|
||||
else { return false }
|
||||
return true
|
||||
}
|
||||
|
||||
private static func listCapturePNGs(in dir: URL, fileManager: FileManager) throws -> [URL] {
|
||||
let entries: [URL]
|
||||
do {
|
||||
entries = try fileManager.contentsOfDirectory(
|
||||
at: dir,
|
||||
includingPropertiesForKeys: [.isDirectoryKey],
|
||||
options: [])
|
||||
} catch {
|
||||
throw ShotdeckError.spoolWriteFailed(path: dir.path, underlying: error.localizedDescription)
|
||||
}
|
||||
return entries.filter { url in
|
||||
let isDirectory = (try? url.resourceValues(forKeys: [.isDirectoryKey]).isDirectory) ?? false
|
||||
guard !isDirectory else { return false }
|
||||
return isCapturePNGName(url.lastPathComponent)
|
||||
}
|
||||
}
|
||||
|
||||
private static func deleteStrayTmpFiles(in dir: URL, fileManager: FileManager) -> Bool {
|
||||
let entries = (try? fileManager.contentsOfDirectory(
|
||||
at: dir,
|
||||
includingPropertiesForKeys: [.isDirectoryKey],
|
||||
options: [])) ?? []
|
||||
var deleted = false
|
||||
for url in entries {
|
||||
guard url.lastPathComponent.hasSuffix(".tmp") else { continue }
|
||||
let isDirectory = (try? url.resourceValues(forKeys: [.isDirectoryKey]).isDirectory) ?? false
|
||||
guard !isDirectory else { continue }
|
||||
do {
|
||||
try fileManager.removeItem(at: url)
|
||||
deleted = true
|
||||
} catch {
|
||||
Log.spool.error("Could not remove stray temp file at \(url.path, privacy: .public): \(error.localizedDescription, privacy: .public)")
|
||||
}
|
||||
}
|
||||
return deleted
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,590 @@
|
||||
import CoreGraphics
|
||||
import Foundation
|
||||
import ImageIO
|
||||
import Testing
|
||||
import ShotdeckCore
|
||||
|
||||
// MARK: - 1. append writes a real, decodable PNG
|
||||
|
||||
@Test
|
||||
func appendWritesARealDecodablePNGMatchingSourceDimensions() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let width = 12
|
||||
let height = 7
|
||||
let png = try makePNGData(width: width, height: height, red: 0.9, green: 0.1, blue: 0.2)
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let capturedAt = Date(timeIntervalSince1970: 1_700_000_000)
|
||||
let capture = try await store.append(
|
||||
pngData: png, pixelWidth: width, pixelHeight: height, scale: 2.0, capturedAt: capturedAt)
|
||||
let session = try await store.currentSession()
|
||||
|
||||
#expect(capture.pixelWidth == width)
|
||||
#expect(capture.pixelHeight == height)
|
||||
|
||||
let url = await store.imageURL(for: capture, in: session)
|
||||
let expected = paths.sessionDirectory(session.id).appendingPathComponent(capture.fileName)
|
||||
#expect(url.path == expected.path)
|
||||
#expect(FileManager.default.fileExists(atPath: url.path))
|
||||
|
||||
let onDisk = try Data(contentsOf: url)
|
||||
#expect(onDisk == png)
|
||||
let decoded = try #require(pngDimensions(at: url))
|
||||
#expect(decoded.width == width)
|
||||
#expect(decoded.height == height)
|
||||
}
|
||||
|
||||
// MARK: - 2. remaining-manifest sequence rule (coordinator correction)
|
||||
|
||||
@Test
|
||||
func sequencesFollowRemainingManifestMaxAndAreNotRenumbered() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let c1 = try await store.append(
|
||||
pngData: try makePNGData(width: 4, height: 4, red: 1, green: 0, blue: 0),
|
||||
pixelWidth: 4, pixelHeight: 4, scale: 1.0, capturedAt: Date())
|
||||
let c2 = try await store.append(
|
||||
pngData: try makePNGData(width: 6, height: 4, red: 0, green: 1, blue: 0),
|
||||
pixelWidth: 6, pixelHeight: 4, scale: 1.0, capturedAt: Date())
|
||||
let c3 = try await store.append(
|
||||
pngData: try makePNGData(width: 8, height: 4, red: 0, green: 0, blue: 1),
|
||||
pixelWidth: 8, pixelHeight: 4, scale: 1.0, capturedAt: Date())
|
||||
#expect(c1.sequence == 1)
|
||||
#expect(c2.sequence == 2)
|
||||
#expect(c3.sequence == 3)
|
||||
|
||||
_ = try await store.remove(captureID: c2.id)
|
||||
let afterMiddle = try await store.currentSession()
|
||||
#expect(afterMiddle.captures.map(\.sequence) == [1, 3])
|
||||
#expect(afterMiddle.captures.map(\.id) == [c1.id, c3.id])
|
||||
|
||||
let c4 = try await store.append(
|
||||
pngData: try makePNGData(width: 10, height: 4, red: 1, green: 1, blue: 0),
|
||||
pixelWidth: 10, pixelHeight: 4, scale: 1.0, capturedAt: Date())
|
||||
#expect(c4.sequence == 4)
|
||||
|
||||
_ = try await store.remove(captureID: c4.id)
|
||||
let afterLast = try await store.currentSession()
|
||||
#expect(afterLast.captures.map(\.sequence) == [1, 3])
|
||||
|
||||
let c4b = try await store.append(
|
||||
pngData: try makePNGData(width: 12, height: 4, red: 1, green: 0, blue: 1),
|
||||
pixelWidth: 12, pixelHeight: 4, scale: 1.0, capturedAt: Date())
|
||||
#expect(c4b.sequence == 4)
|
||||
#expect(c4b.fileName != c4.fileName)
|
||||
#expect(c4b.id != c4.id)
|
||||
|
||||
let sessionDir = paths.sessionDirectory(afterLast.id)
|
||||
#expect(FileManager.default.fileExists(atPath: sessionDir.appendingPathComponent(c4b.fileName).path))
|
||||
#expect(FileManager.default.fileExists(
|
||||
atPath: sessionDir.appendingPathComponent("removed", isDirectory: true)
|
||||
.appendingPathComponent(c4.fileName).path))
|
||||
#expect(!FileManager.default.fileExists(atPath: sessionDir.appendingPathComponent(c4.fileName).path))
|
||||
}
|
||||
|
||||
// MARK: - 3. remove moves PNG into removed/
|
||||
|
||||
@Test
|
||||
func removeMovesThePNGUnchangedIntoRemovedAndLeavesTheOriginalPathEmpty() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let png = try makePNGData(width: 8, height: 5, red: 0.2, green: 0.5, blue: 0.8)
|
||||
let capture = try await store.append(
|
||||
pngData: png, pixelWidth: 8, pixelHeight: 5, scale: 2.0, capturedAt: Date())
|
||||
let session = try await store.currentSession()
|
||||
let sessionDir = paths.sessionDirectory(session.id)
|
||||
let originalURL = sessionDir.appendingPathComponent(capture.fileName)
|
||||
let removedURL = sessionDir.appendingPathComponent("removed", isDirectory: true)
|
||||
.appendingPathComponent(capture.fileName)
|
||||
|
||||
let updated = try await store.remove(captureID: capture.id)
|
||||
|
||||
#expect(updated.captures.contains(where: { $0.id == capture.id }) == false)
|
||||
#expect(!FileManager.default.fileExists(atPath: originalURL.path))
|
||||
#expect(FileManager.default.fileExists(atPath: removedURL.path))
|
||||
let moved = try Data(contentsOf: removedURL)
|
||||
#expect(moved == png)
|
||||
}
|
||||
|
||||
// MARK: - 4. remove of unknown id throws with zero filesystem change
|
||||
|
||||
@Test
|
||||
func removeOfUnknownIDThrowsAndLeavesDiskByteIdentical() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
_ = try await store.append(
|
||||
pngData: try makePNGData(width: 4, height: 4, red: 0.1, green: 0.2, blue: 0.3),
|
||||
pixelWidth: 4, pixelHeight: 4, scale: 1.0, capturedAt: Date())
|
||||
let beforeSession = try await store.currentSession()
|
||||
let beforeFiles = try snapshotFiles(under: root)
|
||||
|
||||
do {
|
||||
_ = try await store.remove(captureID: UUID())
|
||||
Issue.record("expected remove of an unknown id to throw")
|
||||
} catch let error as ShotdeckError {
|
||||
guard case .spoolWriteFailed = error else {
|
||||
Issue.record("expected spoolWriteFailed, got \(error)")
|
||||
return
|
||||
}
|
||||
} catch {
|
||||
Issue.record("expected ShotdeckError, got \(error)")
|
||||
return
|
||||
}
|
||||
|
||||
let afterSession = try await store.currentSession()
|
||||
#expect(afterSession == beforeSession)
|
||||
let afterFiles = try snapshotFiles(under: root)
|
||||
#expect(afterFiles == beforeFiles)
|
||||
}
|
||||
|
||||
// MARK: - 5. orphan recovery
|
||||
|
||||
@Test
|
||||
func orphanPNGWrittenBehindTheStoreIsRecoveredOnReopen() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let session = try await store.currentSession()
|
||||
let width = 11
|
||||
let height = 9
|
||||
let png = try makePNGData(width: width, height: height, red: 0.4, green: 0.7, blue: 0.1)
|
||||
let orphanName = "007-ABCD1234.png"
|
||||
let dest = paths.sessionDirectory(session.id).appendingPathComponent(orphanName)
|
||||
try AtomicFile.write(png, to: dest)
|
||||
|
||||
let reopened = try SpoolStore(paths: paths)
|
||||
let recovered = try await reopened.currentSession()
|
||||
let match = try #require(recovered.captures.first { $0.fileName == orphanName })
|
||||
#expect(match.pixelWidth == width)
|
||||
#expect(match.pixelHeight == height)
|
||||
#expect(match.sequence == 7)
|
||||
#expect(match.scale == 1.0)
|
||||
}
|
||||
|
||||
// MARK: - 6. removed/ files are not resurrected
|
||||
|
||||
@Test
|
||||
func orphanRecoveryDoesNotResurrectFilesInRemoved() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let session = try await store.currentSession()
|
||||
let sessionDir = paths.sessionDirectory(session.id)
|
||||
let removedDir = sessionDir.appendingPathComponent("removed", isDirectory: true)
|
||||
try FileManager.default.createDirectory(at: removedDir, withIntermediateDirectories: true)
|
||||
let hiddenName = "009-FEEDFACE.png"
|
||||
try AtomicFile.write(
|
||||
try makePNGData(width: 5, height: 5, red: 0.9, green: 0.9, blue: 0.1),
|
||||
to: removedDir.appendingPathComponent(hiddenName))
|
||||
|
||||
let reopened = try SpoolStore(paths: paths)
|
||||
let reconciled = try await reopened.currentSession()
|
||||
#expect(reconciled.captures.contains(where: { $0.fileName == hiddenName }) == false)
|
||||
#expect(FileManager.default.fileExists(atPath: removedDir.appendingPathComponent(hiddenName).path))
|
||||
}
|
||||
|
||||
// MARK: - 7. missing-image drop
|
||||
|
||||
@Test
|
||||
func missingPNGReferencedByManifestIsDroppedAndOthersSurvive() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let keep = try await store.append(
|
||||
pngData: try makePNGData(width: 6, height: 6, red: 0.1, green: 0.8, blue: 0.2),
|
||||
pixelWidth: 6, pixelHeight: 6, scale: 1.0, capturedAt: Date())
|
||||
let drop = try await store.append(
|
||||
pngData: try makePNGData(width: 7, height: 7, red: 0.8, green: 0.1, blue: 0.2),
|
||||
pixelWidth: 7, pixelHeight: 7, scale: 1.0, capturedAt: Date())
|
||||
let session = try await store.currentSession()
|
||||
try FileManager.default.removeItem(
|
||||
at: paths.sessionDirectory(session.id).appendingPathComponent(drop.fileName))
|
||||
|
||||
let reopened = try SpoolStore(paths: paths)
|
||||
let reconciled = try await reopened.currentSession()
|
||||
#expect(reconciled.captures.map(\.id) == [keep.id])
|
||||
#expect(reconciled.captures.contains(where: { $0.id == drop.id }) == false)
|
||||
}
|
||||
|
||||
// MARK: - 8. corrupt manifest rebuild
|
||||
|
||||
@Test
|
||||
func corruptManifestIsQuarantinedAndPNGsAreRebuiltIntoANewManifest() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let first = try await store.append(
|
||||
pngData: try makePNGData(width: 8, height: 6, red: 0.3, green: 0.3, blue: 0.9),
|
||||
pixelWidth: 8, pixelHeight: 6, scale: 2.0, capturedAt: Date())
|
||||
let second = try await store.append(
|
||||
pngData: try makePNGData(width: 9, height: 6, red: 0.9, green: 0.3, blue: 0.3),
|
||||
pixelWidth: 9, pixelHeight: 6, scale: 2.0, capturedAt: Date())
|
||||
let session = try await store.currentSession()
|
||||
let sessionDir = paths.sessionDirectory(session.id)
|
||||
let manifestURL = sessionDir.appendingPathComponent("session.json")
|
||||
let garbage = Data("{ not json".utf8)
|
||||
try AtomicFile.write(garbage, to: manifestURL)
|
||||
|
||||
let reopened = try SpoolStore(paths: paths)
|
||||
let rebuilt = try await reopened.currentSession()
|
||||
#expect(rebuilt.id == session.id)
|
||||
|
||||
let contents = try FileManager.default.contentsOfDirectory(at: sessionDir, includingPropertiesForKeys: nil)
|
||||
let corruptFiles = contents.filter { $0.lastPathComponent.hasPrefix("session.json.corrupt-") }
|
||||
#expect(corruptFiles.count == 1)
|
||||
let quarantined = try Data(contentsOf: try #require(corruptFiles.first))
|
||||
#expect(quarantined == garbage)
|
||||
|
||||
let names = Set(rebuilt.captures.map(\.fileName))
|
||||
#expect(names.contains(first.fileName))
|
||||
#expect(names.contains(second.fileName))
|
||||
let recoveredFirst = try #require(rebuilt.captures.first { $0.fileName == first.fileName })
|
||||
#expect(recoveredFirst.pixelWidth == 8)
|
||||
#expect(recoveredFirst.pixelHeight == 6)
|
||||
}
|
||||
|
||||
// MARK: - 9. archiveCurrent moves the directory
|
||||
|
||||
@Test
|
||||
func archiveCurrentMovesTheSessionUnderArchiveAndOpensAFreshEmptySession() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let png = try makePNGData(width: 10, height: 8, red: 0.5, green: 0.1, blue: 0.6)
|
||||
let capture = try await store.append(
|
||||
pngData: png, pixelWidth: 10, pixelHeight: 8, scale: 1.0, capturedAt: Date())
|
||||
let open = try await store.currentSession()
|
||||
let archived = try await store.archiveCurrent(pdfFileName: "shotdeck-review.pdf")
|
||||
|
||||
#expect(archived.state == .archived)
|
||||
#expect(archived.pdfFileName == "shotdeck-review.pdf")
|
||||
#expect(archived.id == open.id)
|
||||
#expect(!FileManager.default.fileExists(atPath: paths.sessionDirectory(open.id).path))
|
||||
|
||||
let archivedPNG = paths.archiveDirectory(open.id).appendingPathComponent(capture.fileName)
|
||||
#expect(FileManager.default.fileExists(atPath: archivedPNG.path))
|
||||
#expect(try Data(contentsOf: archivedPNG) == png)
|
||||
|
||||
let current = try await store.currentSession()
|
||||
#expect(current.id != open.id)
|
||||
#expect(current.isEmpty)
|
||||
#expect(current.state == .open)
|
||||
#expect(FileManager.default.fileExists(
|
||||
atPath: paths.sessionDirectory(current.id).appendingPathComponent("session.json").path))
|
||||
}
|
||||
|
||||
// MARK: - 10. archiveCurrent on empty throws
|
||||
|
||||
@Test
|
||||
func archiveCurrentOnEmptySessionThrowsAndDoesNotMoveTheDirectory() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let session = try await store.currentSession()
|
||||
let before = try snapshotFiles(under: root)
|
||||
|
||||
do {
|
||||
_ = try await store.archiveCurrent(pdfFileName: "never.pdf")
|
||||
Issue.record("expected archiveCurrent on an empty session to throw")
|
||||
} catch let error as ShotdeckError {
|
||||
guard case .spoolWriteFailed = error else {
|
||||
Issue.record("expected spoolWriteFailed, got \(error)")
|
||||
return
|
||||
}
|
||||
} catch {
|
||||
Issue.record("expected ShotdeckError, got \(error)")
|
||||
return
|
||||
}
|
||||
|
||||
#expect(FileManager.default.fileExists(atPath: paths.sessionDirectory(session.id).path))
|
||||
#expect(try snapshotFiles(under: root) == before)
|
||||
}
|
||||
|
||||
// MARK: - 11. interrupted-archive, both exist
|
||||
|
||||
@Test
|
||||
func interruptedArchiveBothExistSupersedesTheSpoolCopyAndKeepsArchive() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let png = try makePNGData(width: 8, height: 8, red: 0.2, green: 0.2, blue: 0.8)
|
||||
let capture = try await store.append(
|
||||
pngData: png, pixelWidth: 8, pixelHeight: 8, scale: 1.0, capturedAt: Date())
|
||||
let archived = try await store.archiveCurrent(pdfFileName: "sent.pdf")
|
||||
let archiveDir = paths.archiveDirectory(archived.id)
|
||||
let spoolCopy = paths.sessionDirectory(archived.id)
|
||||
try FileManager.default.copyItem(at: archiveDir, to: spoolCopy)
|
||||
let archivePNGBefore = try Data(contentsOf: archiveDir.appendingPathComponent(capture.fileName))
|
||||
|
||||
let reopened = try SpoolStore(paths: paths)
|
||||
_ = try await reopened.currentSession()
|
||||
|
||||
#expect(FileManager.default.fileExists(atPath: archiveDir.path))
|
||||
#expect(!FileManager.default.fileExists(atPath: spoolCopy.path))
|
||||
#expect(try Data(contentsOf: archiveDir.appendingPathComponent(capture.fileName)) == archivePNGBefore)
|
||||
|
||||
let spoolEntries = try FileManager.default.contentsOfDirectory(
|
||||
at: paths.spool, includingPropertiesForKeys: [.isDirectoryKey])
|
||||
let superseded = spoolEntries.filter {
|
||||
$0.lastPathComponent.hasPrefix("\(archived.id.uuidString).superseded-")
|
||||
}
|
||||
#expect(superseded.count == 1)
|
||||
let supersededPNG = try #require(superseded.first).appendingPathComponent(capture.fileName)
|
||||
#expect(FileManager.default.fileExists(atPath: supersededPNG.path))
|
||||
#expect(try Data(contentsOf: supersededPNG) == png)
|
||||
}
|
||||
|
||||
// MARK: - 12. interrupted-archive, manifest-only
|
||||
|
||||
@Test
|
||||
func interruptedArchiveManifestOnlyCompletesTheMoveIntoArchive() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let png = try makePNGData(width: 6, height: 8, red: 0.7, green: 0.4, blue: 0.1)
|
||||
let capture = try await store.append(
|
||||
pngData: png, pixelWidth: 6, pixelHeight: 8, scale: 1.0, capturedAt: Date())
|
||||
let session = try await store.currentSession()
|
||||
let marked = session.markArchived(pdfFileName: "partial.pdf")
|
||||
try AtomicFile.writeJSON(
|
||||
marked, to: paths.sessionDirectory(session.id).appendingPathComponent("session.json"))
|
||||
|
||||
let reopened = try SpoolStore(paths: paths)
|
||||
let current = try await reopened.currentSession()
|
||||
#expect(current.id != session.id)
|
||||
#expect(!FileManager.default.fileExists(atPath: paths.sessionDirectory(session.id).path))
|
||||
let archiveDir = paths.archiveDirectory(session.id)
|
||||
#expect(FileManager.default.fileExists(atPath: archiveDir.path))
|
||||
#expect(FileManager.default.fileExists(atPath: archiveDir.appendingPathComponent(capture.fileName).path))
|
||||
#expect(try Data(contentsOf: archiveDir.appendingPathComponent(capture.fileName)) == png)
|
||||
|
||||
let archived = try await reopened.archivedSessions()
|
||||
#expect(archived.contains(where: { $0.id == session.id }))
|
||||
}
|
||||
|
||||
// MARK: - 13. archivedSessions newest createdAt first
|
||||
|
||||
@Test
|
||||
func archivedSessionsReturnsNewestCreatedAtFirst() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let newest = UUID(uuidString: "00000000-0000-4000-8000-000000000003")!
|
||||
let oldest = UUID(uuidString: "00000000-0000-4000-8000-000000000001")!
|
||||
let middle = UUID(uuidString: "00000000-0000-4000-8000-000000000002")!
|
||||
let tNewest = Date(timeIntervalSince1970: 1_700_000_200)
|
||||
let tOldest = Date(timeIntervalSince1970: 1_700_000_000)
|
||||
let tMiddle = Date(timeIntervalSince1970: 1_700_000_100)
|
||||
|
||||
try seedSession(id: newest, createdAt: tNewest, state: .archived, directory: paths.archiveDirectory(newest))
|
||||
try seedSession(id: oldest, createdAt: tOldest, state: .archived, directory: paths.archiveDirectory(oldest))
|
||||
try seedSession(id: middle, createdAt: tMiddle, state: .archived, directory: paths.archiveDirectory(middle))
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let listed = try await store.archivedSessions()
|
||||
#expect(listed.map(\.id) == [newest, middle, oldest])
|
||||
}
|
||||
|
||||
// MARK: - 14. newest-session tie-break by greater UUID string
|
||||
|
||||
@Test
|
||||
func newestSessionTieBreakPicksTheLexicographicallyGreaterUUID() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let smaller = UUID(uuidString: "AAAAAAAA-AAAA-4AAA-8AAA-AAAAAAAAAAAA")!
|
||||
let greater = UUID(uuidString: "BBBBBBBB-BBBB-4BBB-8BBB-BBBBBBBBBBBB")!
|
||||
let createdAt = Date(timeIntervalSince1970: 1_700_000_500)
|
||||
try seedSession(id: smaller, createdAt: createdAt, state: .open, directory: paths.sessionDirectory(smaller))
|
||||
try seedSession(id: greater, createdAt: createdAt, state: .open, directory: paths.sessionDirectory(greater))
|
||||
|
||||
let first = try SpoolStore(paths: paths)
|
||||
let firstID = try await first.currentSession().id
|
||||
let second = try SpoolStore(paths: paths)
|
||||
let secondID = try await second.currentSession().id
|
||||
#expect(firstID == greater)
|
||||
#expect(secondID == greater)
|
||||
}
|
||||
|
||||
// MARK: - 15. filename shape
|
||||
|
||||
@Test
|
||||
func appendFilenameMatchesSequenceDashEightHexSuffix() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let capture = try await store.append(
|
||||
pngData: try makePNGData(width: 4, height: 3, red: 0.1, green: 0.1, blue: 0.1),
|
||||
pixelWidth: 4, pixelHeight: 3, scale: 1.0, capturedAt: Date())
|
||||
let hex = String(capture.id.uuidString.replacingOccurrences(of: "-", with: "").prefix(8)).uppercased()
|
||||
#expect(capture.fileName == "001-\(hex).png")
|
||||
let session = try await store.currentSession()
|
||||
let url = await store.imageURL(for: capture, in: session)
|
||||
#expect(url.lastPathComponent == capture.fileName)
|
||||
#expect(FileManager.default.fileExists(atPath: url.path))
|
||||
}
|
||||
|
||||
// MARK: - 16. startNewSession
|
||||
|
||||
@Test
|
||||
func startNewSessionThrowsWhenNonEmptyAndMintsANewIdWhenEmpty() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
_ = try await store.append(
|
||||
pngData: try makePNGData(width: 5, height: 5, red: 0.4, green: 0.2, blue: 0.6),
|
||||
pixelWidth: 5, pixelHeight: 5, scale: 1.0, capturedAt: Date())
|
||||
let before = try snapshotFiles(under: root)
|
||||
let occupied = try await store.currentSession()
|
||||
|
||||
do {
|
||||
_ = try await store.startNewSession()
|
||||
Issue.record("expected startNewSession to throw while captures are present")
|
||||
} catch let error as ShotdeckError {
|
||||
guard case .spoolWriteFailed = error else {
|
||||
Issue.record("expected spoolWriteFailed, got \(error)")
|
||||
return
|
||||
}
|
||||
} catch {
|
||||
Issue.record("expected ShotdeckError, got \(error)")
|
||||
return
|
||||
}
|
||||
#expect(try snapshotFiles(under: root) == before)
|
||||
#expect(try await store.currentSession().id == occupied.id)
|
||||
|
||||
_ = try await store.remove(captureID: occupied.captures[0].id)
|
||||
let emptyID = try await store.currentSession().id
|
||||
let fresh = try await store.startNewSession()
|
||||
#expect(fresh.id != emptyID)
|
||||
#expect(fresh.isEmpty)
|
||||
#expect(FileManager.default.fileExists(
|
||||
atPath: paths.sessionDirectory(emptyID).appendingPathComponent("session.json").path))
|
||||
}
|
||||
|
||||
// MARK: - 17. durability-ordering smoke test
|
||||
|
||||
@Test
|
||||
func appendReturnsOnlyAfterThePNGBytesAreAlreadyOnDisk() async throws {
|
||||
let (root, paths) = try makeIsolatedPaths()
|
||||
defer { try? FileManager.default.removeItem(at: root) }
|
||||
|
||||
let store = try SpoolStore(paths: paths)
|
||||
let png = try makePNGData(width: 13, height: 11, red: 0.15, green: 0.55, blue: 0.95)
|
||||
let capture = try await store.append(
|
||||
pngData: png, pixelWidth: 13, pixelHeight: 11, scale: 2.0, capturedAt: Date())
|
||||
let session = try await store.currentSession()
|
||||
let url = paths.sessionDirectory(session.id).appendingPathComponent(capture.fileName)
|
||||
let onDisk = try Data(contentsOf: url)
|
||||
#expect(onDisk == png)
|
||||
}
|
||||
|
||||
// MARK: - Fixtures
|
||||
|
||||
private func makeIsolatedPaths() throws -> (root: URL, paths: AppSupportPaths) {
|
||||
let root = FileManager.default.temporaryDirectory
|
||||
.appendingPathComponent("shotdeck-spool-\(UUID().uuidString)", isDirectory: true)
|
||||
let paths = try AppSupportPaths(
|
||||
root: root,
|
||||
outbox: root.appendingPathComponent("outbox", isDirectory: true),
|
||||
watchFolder: root.appendingPathComponent("watch", isDirectory: true)
|
||||
)
|
||||
return (root, paths)
|
||||
}
|
||||
|
||||
private func makePNGData(
|
||||
width: Int,
|
||||
height: Int,
|
||||
red: CGFloat,
|
||||
green: CGFloat,
|
||||
blue: CGFloat
|
||||
) throws -> Data {
|
||||
let colorSpace = CGColorSpaceCreateDeviceRGB()
|
||||
guard let context = CGContext(
|
||||
data: nil,
|
||||
width: width,
|
||||
height: height,
|
||||
bitsPerComponent: 8,
|
||||
bytesPerRow: width * 4,
|
||||
space: colorSpace,
|
||||
bitmapInfo: CGImageAlphaInfo.premultipliedLast.rawValue
|
||||
) else {
|
||||
throw FixtureError.pngGenerationFailed
|
||||
}
|
||||
context.setFillColor(red: red, green: green, blue: blue, alpha: 1)
|
||||
context.fill(CGRect(x: 0, y: 0, width: width, height: height))
|
||||
guard let image = context.makeImage() else {
|
||||
throw FixtureError.pngGenerationFailed
|
||||
}
|
||||
let buffer = NSMutableData()
|
||||
guard let destination = CGImageDestinationCreateWithData(buffer, "public.png" as CFString, 1, nil) else {
|
||||
throw FixtureError.pngGenerationFailed
|
||||
}
|
||||
CGImageDestinationAddImage(destination, image, nil)
|
||||
guard CGImageDestinationFinalize(destination) else {
|
||||
throw FixtureError.pngGenerationFailed
|
||||
}
|
||||
return buffer as Data
|
||||
}
|
||||
|
||||
private func pngDimensions(at url: URL) -> (width: Int, height: Int)? {
|
||||
guard let source = CGImageSourceCreateWithURL(url as CFURL, nil),
|
||||
let properties = CGImageSourceCopyPropertiesAtIndex(source, 0, nil) as NSDictionary?,
|
||||
let width = (properties[kCGImagePropertyPixelWidth] as? NSNumber)?.intValue,
|
||||
let height = (properties[kCGImagePropertyPixelHeight] as? NSNumber)?.intValue
|
||||
else { return nil }
|
||||
return (width, height)
|
||||
}
|
||||
|
||||
private func seedSession(
|
||||
id: UUID,
|
||||
createdAt: Date,
|
||||
state: SessionState,
|
||||
directory: URL
|
||||
) throws {
|
||||
try FileManager.default.createDirectory(at: directory, withIntermediateDirectories: true)
|
||||
let session = CaptureSession(id: id, createdAt: createdAt, state: state, captures: [], pdfFileName: nil)
|
||||
try AtomicFile.writeJSON(session, to: directory.appendingPathComponent("session.json"))
|
||||
}
|
||||
|
||||
private func snapshotFiles(under root: URL) throws -> [String: Data] {
|
||||
let fm = FileManager.default
|
||||
var files: [String: Data] = [:]
|
||||
guard let enumerator = fm.enumerator(
|
||||
at: root,
|
||||
includingPropertiesForKeys: [.isRegularFileKey],
|
||||
options: [.skipsHiddenFiles]
|
||||
) else { return files }
|
||||
let rootPath = root.standardizedFileURL.path
|
||||
for case let url as URL in enumerator {
|
||||
let values = try url.resourceValues(forKeys: [.isRegularFileKey])
|
||||
guard values.isRegularFile == true else { continue }
|
||||
var relative = url.standardizedFileURL.path
|
||||
if relative.hasPrefix(rootPath) {
|
||||
relative = String(relative.dropFirst(rootPath.count))
|
||||
if relative.hasPrefix("/") { relative = String(relative.dropFirst()) }
|
||||
}
|
||||
files[relative] = try Data(contentsOf: url)
|
||||
}
|
||||
return files
|
||||
}
|
||||
|
||||
private enum FixtureError: Error {
|
||||
case pngGenerationFailed
|
||||
}
|
||||
Reference in New Issue
Block a user