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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2023 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 TSCclibc // for SPM_posix_spawn_file_actions_addchdir_np_supported
import SPMTestSupport
import XCTest
import class TSCBasic.InMemoryFileSystem
import struct TSCBasic.FileSystemError
final class TarArchiverTests: XCTestCase {
func testSuccess() async throws {
try await testWithTemporaryDirectory { tmpdir in
let archiver = TarArchiver(fileSystem: localFileSystem)
let inputArchivePath = AbsolutePath(#file).parentDirectory
.appending(components: "Inputs", "archive.tar.gz")
try await archiver.extract(from: inputArchivePath, to: tmpdir)
let content = tmpdir.appending("file")
XCTAssert(localFileSystem.exists(content))
XCTAssertEqual((try? localFileSystem.readFileContents(content))?.cString, "Hello World!")
}
}
func testArchiveDoesntExist() async {
let fileSystem = InMemoryFileSystem()
let archiver = TarArchiver(fileSystem: fileSystem)
let archive = AbsolutePath("/archive.tar.gz")
await XCTAssertAsyncThrowsError(try await archiver.extract(from: archive, to: "/")) { error in
XCTAssertEqual(error as? FileSystemError, FileSystemError(.noEntry, archive))
}
}
func testDestinationDoesntExist() async throws {
let fileSystem = InMemoryFileSystem(emptyFiles: "/archive.tar.gz")
let archiver = TarArchiver(fileSystem: fileSystem)
let destination = AbsolutePath("/destination")
await XCTAssertAsyncThrowsError(try await archiver.extract(from: "/archive.tar.gz", to: destination)) { error in
XCTAssertEqual(error as? FileSystemError, FileSystemError(.notDirectory, destination))
}
}
func testDestinationIsFile() async {
let fileSystem = InMemoryFileSystem(emptyFiles: "/archive.tar.gz", "/destination")
let archiver = TarArchiver(fileSystem: fileSystem)
let destination = AbsolutePath("/destination")
await XCTAssertAsyncThrowsError(try await archiver.extract(from: "/archive.tar.gz", to: destination)) { error in
XCTAssertEqual(error as? FileSystemError, FileSystemError(.notDirectory, destination))
}
}
func testInvalidArchive() async throws {
try await testWithTemporaryDirectory { tmpdir in
let archiver = TarArchiver(fileSystem: localFileSystem)
let inputArchivePath = AbsolutePath(#file).parentDirectory
.appending(components: "Inputs", "invalid_archive.tar.gz")
await XCTAssertAsyncThrowsError(try await archiver.extract(from: inputArchivePath, to: tmpdir)) { error in
#if os(Linux)
XCTAssertMatch((error as? StringError)?.description, .contains("not in gzip format"))
#else
XCTAssertMatch((error as? StringError)?.description, .contains("Unrecognized archive format"))
#endif
}
}
}
func testValidation() async throws {
// valid
try await testWithTemporaryDirectory { _ in
let archiver = TarArchiver(fileSystem: localFileSystem)
let path = AbsolutePath(#file).parentDirectory
.appending(components: "Inputs", "archive.tar.gz")
try await XCTAssertAsyncTrue(try await archiver.validate(path: path))
}
// invalid
try await testWithTemporaryDirectory { _ in
let archiver = TarArchiver(fileSystem: localFileSystem)
let path = AbsolutePath(#file).parentDirectory
.appending(components: "Inputs", "invalid_archive.tar.gz")
try await XCTAssertAsyncFalse(try await archiver.validate(path: path))
}
// error
try await testWithTemporaryDirectory { _ in
let archiver = TarArchiver(fileSystem: localFileSystem)
let path = AbsolutePath.root.appending("does_not_exist.tar.gz")
await XCTAssertAsyncThrowsError(try await archiver.validate(path: path)) { error in
XCTAssertEqual(error as? FileSystemError, FileSystemError(.noEntry, path))
}
}
}
func testCompress() async throws {
#if os(Linux)
guard SPM_posix_spawn_file_actions_addchdir_np_supported() else {
throw XCTSkip("working directory not supported on this platform")
}
#endif
try await testWithTemporaryDirectory { tmpdir in
let archiver = TarArchiver(fileSystem: localFileSystem)
let rootDir = tmpdir.appending(component: UUID().uuidString)
try localFileSystem.createDirectory(rootDir)
try localFileSystem.writeFileContents(rootDir.appending("file1.txt"), string: "Hello World!")
let dir1 = rootDir.appending("dir1")
try localFileSystem.createDirectory(dir1)
try localFileSystem.writeFileContents(dir1.appending("file2.txt"), string: "Hello World 2!")
let dir2 = dir1.appending("dir2")
try localFileSystem.createDirectory(dir2)
try localFileSystem.writeFileContents(dir2.appending("file3.txt"), string: "Hello World 3!")
try localFileSystem.writeFileContents(dir2.appending("file4.txt"), string: "Hello World 4!")
let archivePath = tmpdir.appending(component: UUID().uuidString + ".tar.gz")
try await archiver.compress(directory: rootDir, to: archivePath)
XCTAssertFileExists(archivePath)
let extractRootDir = tmpdir.appending(component: UUID().uuidString)
try localFileSystem.createDirectory(extractRootDir)
try await archiver.extract(from: archivePath, to: extractRootDir)
try localFileSystem.stripFirstLevel(of: extractRootDir)
XCTAssertFileExists(extractRootDir.appending("file1.txt"))
XCTAssertEqual(
try? localFileSystem.readFileContents(extractRootDir.appending("file1.txt")),
"Hello World!"
)
let extractedDir1 = extractRootDir.appending("dir1")
XCTAssertDirectoryExists(extractedDir1)
XCTAssertFileExists(extractedDir1.appending("file2.txt"))
XCTAssertEqual(
try? localFileSystem.readFileContents(extractedDir1.appending("file2.txt")),
"Hello World 2!"
)
let extractedDir2 = extractedDir1.appending("dir2")
XCTAssertDirectoryExists(extractedDir2)
XCTAssertFileExists(extractedDir2.appending("file3.txt"))
XCTAssertEqual(
try? localFileSystem.readFileContents(extractedDir2.appending("file3.txt")),
"Hello World 3!"
)
XCTAssertFileExists(extractedDir2.appending("file4.txt"))
XCTAssertEqual(
try? localFileSystem.readFileContents(extractedDir2.appending("file4.txt")),
"Hello World 4!"
)
}
}
}
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