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// This source file is part of the Swift.org open source project
//
// Copyright 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for Swift project authors
import XCTest
public extension XCTestCase {
/// Create a temporary file with the given contents and returns the path to the file.
//
// FIXME: Move to a shared location.
func makeTemporaryFile(_ contents: String? = nil) -> String {
let directory = NSTemporaryDirectory()
let filename = UUID().uuidString
let fileURL = URL(fileURLWithPath: directory).appendingPathComponent(filename)
if let contents = contents {
do {
try contents.write(to: fileURL, atomically: false, encoding: .utf8)
} catch {
XCTFail("Error while writing to file: \(error)")
}
}
addTeardownBlock {
do {
let fileManager = FileManager.default
if fileManager.fileExists(atPath: fileURL.path) {
try fileManager.removeItem(at: fileURL)
XCTAssertFalse(fileManager.fileExists(atPath: fileURL.path))
}
} catch {
XCTFail("Error while deleting temporary file: \(error)")
}
}
return fileURL.path
}
}
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