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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
//
//===----------------------------------------------------------------------===//
@testable import Basics
import TSCTestSupport
import XCTest
import class TSCBasic.InMemoryFileSystem
final class FileSystemTests: XCTestCase {
func testStripFirstLevelComponent() 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)
XCTAssertEqual(contents.count, 1)
}
try fileSystem.stripFirstLevel(of: .root)
do {
let contents = Set(try fileSystem.getDirectoryContents(.root))
XCTAssertEqual(contents.count, totalDirectories + totalFiles)
for index in 0 ..< totalDirectories {
XCTAssertTrue(contents.contains("dir\(index)"))
}
for index in 0 ..< totalFiles {
XCTAssertTrue(contents.contains("file\(index)"))
}
}
}
func testStripFirstLevelComponentErrors() throws {
do {
let fileSystem = InMemoryFileSystem()
XCTAssertThrowsError(try fileSystem.stripFirstLevel(of: .root), "expected error") { error in
XCTAssertMatch((error as? StringError)?.description, .contains("requires single top level directory"))
}
}
do {
let fileSystem = InMemoryFileSystem()
for index in 0 ..< 3 {
let path = AbsolutePath.root.appending("dir\(index)")
try fileSystem.createDirectory(path, recursive: false)
}
XCTAssertThrowsError(try fileSystem.stripFirstLevel(of: .root), "expected error") { error in
XCTAssertMatch((error as? StringError)?.description, .contains("requires single top level directory"))
}
}
do {
let fileSystem = InMemoryFileSystem()
for index in 0 ..< 3 {
let path = AbsolutePath.root.appending("file\(index)")
try fileSystem.writeFileContents(path, string: "\(index)")
}
XCTAssertThrowsError(try fileSystem.stripFirstLevel(of: .root), "expected error") { error in
XCTAssertMatch((error as? StringError)?.description, .contains("requires single top level directory"))
}
}
do {
let fileSystem = InMemoryFileSystem()
let path = AbsolutePath.root.appending("file")
try fileSystem.writeFileContents(path, string: "")
XCTAssertThrowsError(try fileSystem.stripFirstLevel(of: .root), "expected error") { error in
XCTAssertMatch((error as? StringError)?.description, .contains("requires single top level directory"))
}
}
}
}
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