Files
shotdeck/Tests/ShotdeckCoreTests/SpoolStoreTests.swift

591 lines
24 KiB
Swift

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
}