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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2021 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 the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Basics
import func TSCBasic.withTemporaryFile
import XCTest
import struct TSCBasic.ByteString
func testWithTemporaryDirectory(
function: StaticString = #function,
body: @escaping (AbsolutePath) async throws -> Void
) async throws {
let cleanedFunction = function.description
.replacingOccurrences(of: "(", with: "")
.replacingOccurrences(of: ")", with: "")
.replacingOccurrences(of: ".", with: "")
try await withTemporaryDirectory(prefix: "spm-tests-\(cleanedFunction)") { tmpDirPath in
defer {
// Unblock and remove the tmp dir on deinit.
try? localFileSystem.chmod(.userWritable, path: tmpDirPath, options: [.recursive])
try? localFileSystem.removeFileTree(tmpDirPath)
}
try await body(tmpDirPath)
}.value
}
class VFSTests: XCTestCase {
func testLocalBasics() throws {
// tiny PE binary from: https://archive.is/w01DO
let contents: [UInt8] = [
0x4d, 0x5a, 0x00, 0x00, 0x50, 0x45, 0x00, 0x00, 0x4c, 0x01, 0x01, 0x00,
0x6a, 0x2a, 0x58, 0xc3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x04, 0x00, 0x03, 0x01, 0x0b, 0x01, 0x08, 0x00, 0x04, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00,
0x04, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00,
0x04, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x68, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02
]
let fs = localFileSystem
try withTemporaryFile { [contents] vfsPath in
try withTemporaryDirectory(removeTreeOnDeinit: true) { [contents] tempDirPath in
let file = tempDirPath.appending("best")
try fs.writeFileContents(file, string: "best")
let sym = tempDirPath.appending("hello")
try fs.createSymbolicLink(sym, pointingAt: file, relative: false)
let executable = tempDirPath.appending("exec-foo")
try fs.writeFileContents(executable, bytes: ByteString(contents))
#if !os(Windows)
try fs.chmod(.executable, path: executable, options: [])
#endif
let executableSym = tempDirPath.appending("exec-sym")
try fs.createSymbolicLink(executableSym, pointingAt: executable, relative: false)
try fs.createDirectory(tempDirPath.appending("dir"))
try fs.writeFileContents(tempDirPath.appending(components: ["dir", "file"]), bytes: [])
try VirtualFileSystem.serializeDirectoryTree(tempDirPath, into: AbsolutePath(vfsPath.path), fs: fs, includeContents: [executable])
}
let vfs = try VirtualFileSystem(path: vfsPath.path, fs: fs)
// exists()
XCTAssertTrue(vfs.exists(AbsolutePath("/")))
XCTAssertFalse(vfs.exists(AbsolutePath("/does-not-exist")))
// isFile()
let filePath = AbsolutePath("/best")
XCTAssertTrue(vfs.exists(filePath))
XCTAssertTrue(vfs.isFile(filePath))
XCTAssertEqual(try vfs.getFileInfo(filePath).fileType, .typeRegular)
XCTAssertFalse(vfs.isDirectory(filePath))
XCTAssertFalse(vfs.isFile(AbsolutePath("/does-not-exist")))
XCTAssertFalse(vfs.isSymlink(AbsolutePath("/does-not-exist")))
XCTAssertThrowsError(try vfs.getFileInfo(AbsolutePath("/does-not-exist")))
// isSymlink()
let symPath = AbsolutePath("/hello")
XCTAssertTrue(vfs.isSymlink(symPath))
XCTAssertTrue(vfs.isFile(symPath))
XCTAssertEqual(try vfs.getFileInfo(symPath).fileType, .typeSymbolicLink)
XCTAssertFalse(vfs.isDirectory(symPath))
// isExecutableFile
let executablePath = AbsolutePath("/exec-foo")
let executableSymPath = AbsolutePath("/exec-sym")
XCTAssertTrue(vfs.isExecutableFile(executablePath))
XCTAssertTrue(vfs.isExecutableFile(executableSymPath))
XCTAssertTrue(vfs.isSymlink(executableSymPath))
XCTAssertFalse(vfs.isExecutableFile(symPath))
XCTAssertFalse(vfs.isExecutableFile(filePath))
XCTAssertFalse(vfs.isExecutableFile(AbsolutePath("/does-not-exist")))
XCTAssertFalse(vfs.isExecutableFile(AbsolutePath("/")))
// readFileContents
let execFileContents = try vfs.readFileContents(executablePath)
XCTAssertEqual(execFileContents, ByteString(contents))
// isDirectory()
XCTAssertTrue(vfs.isDirectory(AbsolutePath("/")))
XCTAssertFalse(vfs.isDirectory(AbsolutePath("/does-not-exist")))
// getDirectoryContents()
do {
_ = try vfs.getDirectoryContents(AbsolutePath("/does-not-exist"))
XCTFail("Unexpected success")
} catch {
XCTAssertEqual(error.localizedDescription, "no such file or directory: \(AbsolutePath("/does-not-exist"))")
}
let thisDirectoryContents = try vfs.getDirectoryContents(AbsolutePath("/"))
XCTAssertFalse(thisDirectoryContents.contains(where: { $0 == "." }))
XCTAssertFalse(thisDirectoryContents.contains(where: { $0 == ".." }))
XCTAssertEqual(thisDirectoryContents.sorted(), ["best", "dir", "exec-foo", "exec-sym", "hello"])
let contents = try vfs.getDirectoryContents(AbsolutePath("/dir"))
XCTAssertEqual(contents, ["file"])
let fileContents = try vfs.readFileContents(AbsolutePath("/dir/file"))
XCTAssertEqual(fileContents, "")
}
}
}
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