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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2021-2024 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 Foundation
import TSCTestSupport
import Testing
@testable import Basics
struct FileSystemTests {
@Test
func stripFirstLevelComponent() throws {
let fileSystem = InMemoryFileSystem()
let rootPath = AbsolutePath("/root")
try fileSystem.createDirectory(rootPath)
let totalDirectories = Int.random(in: 0..<100)
for index in 0..<totalDirectories {
let path = rootPath.appending("dir\(index)")
try fileSystem.createDirectory(path, recursive: false)
}
let totalFiles = Int.random(in: 0..<100)
for index in 0..<totalFiles {
let path = rootPath.appending("file\(index)")
try fileSystem.writeFileContents(path, string: "\(index)")
}
do {
let contents = try fileSystem.getDirectoryContents(.root)
#expect(contents.count == 1)
}
try fileSystem.stripFirstLevel(of: .root)
do {
let contents = Set(try fileSystem.getDirectoryContents(.root))
#expect(contents.count == totalDirectories + totalFiles)
for index in 0..<totalDirectories {
#expect(contents.contains("dir\(index)"))
}
for index in 0..<totalFiles {
#expect(contents.contains("file\(index)"))
}
}
}
@Test
func stripFirstLevelComponentErrors() throws {
let functionUnderTest = "stripFirstLevel"
do {
let fileSystem = InMemoryFileSystem()
#expect(throws: StringError("\(functionUnderTest) requires single top level directory"))
{
try fileSystem.stripFirstLevel(of: .root)
}
}
do {
let fileSystem = InMemoryFileSystem()
for index in 0..<3 {
let path = AbsolutePath.root.appending("dir\(index)")
try fileSystem.createDirectory(path, recursive: false)
}
#expect(throws: StringError("\(functionUnderTest) requires single top level directory"))
{
try fileSystem.stripFirstLevel(of: .root)
}
}
do {
let fileSystem = InMemoryFileSystem()
for index in 0..<3 {
let path = AbsolutePath.root.appending("file\(index)")
try fileSystem.writeFileContents(path, string: "\(index)")
}
#expect(throws: StringError("\(functionUnderTest) requires single top level directory"))
{
try fileSystem.stripFirstLevel(of: .root)
}
}
do {
let fileSystem = InMemoryFileSystem()
let path = AbsolutePath.root.appending("file")
try fileSystem.writeFileContents(path, string: "")
#expect(throws: StringError("\(functionUnderTest) requires single top level directory"))
{
try fileSystem.stripFirstLevel(of: .root)
}
}
}
}
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