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import Foundation
enum TestSupport {
struct Error: Swift.Error, CustomStringConvertible {
let description: String
init(description: String) {
self.description = description
}
init(errno: Int32) {
self.init(description: String(cString: strerror(errno)))
}
}
class TemporaryDirectory {
let path: String
var url: URL { URL(fileURLWithPath: path) }
init() throws {
let tempdir = URL(fileURLWithPath: NSTemporaryDirectory())
let templatePath = tempdir.appendingPathComponent("WasmKit.XXXXXX")
var template = [UInt8](templatePath.path.utf8).map({ Int8($0) }) + [Int8(0)]
#if os(Windows)
if _mktemp_s(&template, template.count) != 0 {
throw Error(errno: errno)
}
if _mkdir(template) != 0 {
throw Error(errno: errno)
}
#else
if mkdtemp(&template) == nil {
#if os(Android)
throw Error(errno: __errno().pointee)
#else
throw Error(errno: errno)
#endif
}
#endif
self.path = String(cString: template)
}
func createDir(at relativePath: String) throws {
let directoryURL = url.appendingPathComponent(relativePath)
try FileManager.default.createDirectory(at: directoryURL, withIntermediateDirectories: true, attributes: nil)
}
func createFile(at relativePath: String, contents: String) throws {
let fileURL = url.appendingPathComponent(relativePath)
guard let data = contents.data(using: .utf8) else { return }
FileManager.default.createFile(atPath: fileURL.path, contents: data, attributes: nil)
}
func createSymlink(at relativePath: String, to target: String) throws {
let linkURL = url.appendingPathComponent(relativePath)
try FileManager.default.createSymbolicLink(
atPath: linkURL.path,
withDestinationPath: target
)
}
deinit {
_ = try? FileManager.default.removeItem(atPath: path)
}
}
}
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