crossmate

A collaborative crossword app for iOS
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ImportServiceTests.swift (1919B)

      1 import Foundation
      2 import Testing
      3 
      4 @testable import Crossmate
      5 
      6 /// Pins down the open-URL import boundary: an oversized or unsupported file
      7 /// is rejected by the streaming capped read before any conversion, iCloud
      8 /// copy, or game creation. (These rejection paths return before
      9 /// `DriveMonitor.importFile`, so no test touches a real iCloud container.)
     10 @Suite("ImportService")
     11 @MainActor
     12 struct ImportServiceTests {
     13 
     14     private func makeService() -> ImportService {
     15         ImportService(
     16             store: makeTestStore(persistence: makeTestPersistence()),
     17             driveMonitor: DriveMonitor()
     18         )
     19     }
     20 
     21     private func writeTemp(_ data: Data, ext: String) throws -> URL {
     22         let url = FileManager.default.temporaryDirectory
     23             .appendingPathComponent("import-service-\(UUID().uuidString)")
     24             .appendingPathExtension(ext)
     25         try data.write(to: url)
     26         return url
     27     }
     28 
     29     @Test("An oversized .xd is rejected")
     30     func rejectsOversizedXD() throws {
     31         let url = try writeTemp(
     32             Data(repeating: UInt8(ascii: "A"), count: XD.maxSourceBytes + 1),
     33             ext: "xd"
     34         )
     35         defer { try? FileManager.default.removeItem(at: url) }
     36 
     37         #expect(makeService().importGame(from: url) == nil)
     38     }
     39 
     40     @Test("An oversized .puz is rejected")
     41     func rejectsOversizedPUZ() throws {
     42         let url = try writeTemp(
     43             Data(count: PUZToXDConverter.maxSourceBytes + 1),
     44             ext: "puz"
     45         )
     46         defer { try? FileManager.default.removeItem(at: url) }
     47 
     48         #expect(makeService().importGame(from: url) == nil)
     49     }
     50 
     51     @Test("An unsupported extension is rejected")
     52     func rejectsUnsupportedExtension() throws {
     53         let url = try writeTemp(Data("not a puzzle".utf8), ext: "txt")
     54         defer { try? FileManager.default.removeItem(at: url) }
     55 
     56         #expect(makeService().importGame(from: url) == nil)
     57     }
     58 }