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swiftpm-pathkit/Tests/PathTests/PathTests.swift
2021-06-16 11:05:17 -04:00

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@testable import Path
import func XCTest.XCTAssertEqual
import Foundation
import XCTest
extension PathStruct {
var foo: Int { fatalError()}
}
class PathTests: XCTestCase {
func testNewStuff() {
#if swift(>=5.5)
func foo<P: Pathish>(_ path: P) {}
foo(.home)
foo(.root)
#endif
}
func testConcatenation() {
XCTAssertEqual((Path.root/"bar").string, "/bar")
XCTAssertEqual(Path.cwd.string, FileManager.default.currentDirectoryPath)
XCTAssertEqual((Path.root/"/bar").string, "/bar")
XCTAssertEqual((Path.root/"///bar").string, "/bar")
XCTAssertEqual((Path.root/"foo///bar////").string, "/foo/bar")
XCTAssertEqual((Path.root/"foo"/"/bar").string, "/foo/bar")
XCTAssertEqual(Path.root.foo.bar.join(".."), Path.root.foo)
XCTAssertEqual(Path.root.foo.bar.join("."), Path.root.foo.bar)
XCTAssertEqual(Path.root.foo.bar.join("../baz"), Path.root.foo.baz)
}
func testEnumeration() throws {
let tmpdir_ = try TemporaryDirectory()
let tmpdir = tmpdir_.path
try tmpdir.join("a").mkdir().join("c").touch()
try tmpdir.join("b.swift").touch()
try tmpdir.join("c").touch()
try tmpdir.join(".d").mkdir().join("e").touch()
var paths = Set<String>()
let lsrv = tmpdir.ls(.a)
var dirs = 0
for path in lsrv {
if path.isDirectory {
dirs += 1
}
paths.insert(path.basename())
}
XCTAssertEqual(dirs, 2)
XCTAssertEqual(dirs, lsrv.directories.count)
XCTAssertEqual(["a", ".d"], Set(lsrv.directories.map{ $0.relative(to: tmpdir) }))
XCTAssertEqual(["b.swift", "c"], Set(lsrv.files.map{ $0.relative(to: tmpdir) }))
XCTAssertEqual(["b.swift"], Set(lsrv.files.filter{ $0.extension == "swift" }.map{ $0.relative(to: tmpdir) }))
XCTAssertEqual(["c"], Set(lsrv.files.filter{ $0.extension == "" }.map{ $0.relative(to: tmpdir) }))
XCTAssertEqual(paths, ["a", "b.swift", "c", ".d"])
}
func testEnumerationSkippingHiddenFiles() throws {
let tmpdir_ = try TemporaryDirectory()
let tmpdir = tmpdir_.path
try tmpdir.join("a").mkdir().join("c").touch()
try tmpdir.join("b").touch()
try tmpdir.join("c").touch()
try tmpdir.join(".d").mkdir().join("e").touch()
var paths = Set<String>()
var dirs = 0
for path in tmpdir.ls() {
if path.isDirectory {
dirs += 1
}
paths.insert(path.basename())
}
XCTAssertEqual(dirs, 1)
XCTAssertEqual(paths, ["a", "b", "c"])
}
func testRelativeTo() {
XCTAssertEqual((Path.root.tmp.foo).relative(to: Path.root/"tmp"), "foo")
XCTAssertEqual((Path.root.tmp.foo.bar).relative(to: Path.root/"tmp/baz"), "../foo/bar")
}
func testExists() throws {
XCTAssert(Path.root.exists)
XCTAssert((Path.root/"bin").exists)
try Path.mktemp { tmpdir in
XCTAssertTrue(tmpdir.exists)
XCTAssertFalse(try tmpdir.bar.symlink(as: tmpdir.foo).exists)
XCTAssertTrue(tmpdir.foo.type == .symlink)
XCTAssertTrue(try tmpdir.bar.touch().symlink(as: tmpdir.baz).exists)
XCTAssertTrue(tmpdir.bar.type == .file)
XCTAssertTrue(tmpdir.type == .directory)
}
}
func testIsDirectory() {
XCTAssert(Path.root.isDirectory)
XCTAssert((Path.root/"bin").isDirectory)
}
func testExtension() {
for prefix in [Path.root, Path.root.foo, Path.root.foo.bar] {
XCTAssertEqual(prefix.join("a.swift").extension, "swift")
XCTAssertEqual(prefix.join("a").extension, "")
XCTAssertEqual(prefix.join("a.").extension, "")
XCTAssertEqual(prefix.join("a..").extension, "")
XCTAssertEqual(prefix.join("a..swift").extension, "swift")
XCTAssertEqual(prefix.join("a..swift.").extension, "")
XCTAssertEqual(prefix.join("a.tar.gz").extension, "tar.gz")
XCTAssertEqual(prefix.join("a.tar.bz2").extension, "tar.bz2")
XCTAssertEqual(prefix.join("a.tar.xz").extension, "tar.xz")
XCTAssertEqual(prefix.join("a..tar.bz").extension, "tar.bz")
XCTAssertEqual(prefix.join("a..tar..xz").extension, "xz")
}
}
func testMktemp() throws {
var path: DynamicPath!
try Path.mktemp {
path = $0
XCTAssert(path.isDirectory)
}
XCTAssert(!path.exists)
XCTAssert(!path.isDirectory)
}
func testMkpathIfExists() throws {
try Path.mktemp {
for _ in 0...1 {
try $0.join("a").mkdir()
try $0.join("b/c").mkdir(.p)
}
}
}
func testBasename() {
for prefix in [Path.root, Path.root.foo, Path.root.foo.bar] {
XCTAssertEqual(prefix.join("foo.bar").basename(dropExtension: true), "foo")
XCTAssertEqual(prefix.join("foo").basename(dropExtension: true), "foo")
XCTAssertEqual(prefix.join("foo.").basename(dropExtension: true), "foo.")
XCTAssertEqual(prefix.join("foo.bar.baz").basename(dropExtension: true), "foo.bar")
}
}
func testCodable() throws {
let input = [Path.root.foo, Path.root.foo.bar, Path.root].map(Path.init)
XCTAssertEqual(try JSONDecoder().decode([Path].self, from: try JSONEncoder().encode(input)), input)
}
func testRelativePathCodable() throws {
let root = Path.root.foo
let input = [
Path.root,
root,
root.bar
].map(Path.init)
let encoder = JSONEncoder()
func test<P: Pathish>(relativePath: P, line: UInt = #line) throws {
encoder.userInfo[.relativePath] = relativePath
let data = try encoder.encode(input)
XCTAssertEqual(try JSONSerialization.jsonObject(with: data) as? [String], ["..", "", "bar"], line: line)
let decoder = JSONDecoder()
XCTAssertThrowsError(try decoder.decode([Path].self, from: data), line: line)
decoder.userInfo[.relativePath] = relativePath
XCTAssertEqual(try decoder.decode([Path].self, from: data), input, line: line)
}
try test(relativePath: root) // DynamicPath
try test(relativePath: Path(root)) // Path
}
func testJoin() {
let prefix = Path.root/"Users/mxcl"
XCTAssertEqual(prefix/"b", Path("/Users/mxcl/b"))
XCTAssertEqual(prefix/"b"/"c", Path("/Users/mxcl/b/c"))
XCTAssertEqual(prefix/"b/c", Path("/Users/mxcl/b/c"))
XCTAssertEqual(prefix/"/b", Path("/Users/mxcl/b"))
let b = "b"
let c = "c"
XCTAssertEqual(prefix/b/c, Path("/Users/mxcl/b/c"))
XCTAssertEqual(Path.root/"~b", Path("/~b"))
XCTAssertEqual(Path.root/"~/b", Path("/~/b"))
XCTAssertEqual(Path("~/foo"), Path.home/"foo")
XCTAssertEqual(Path("~"), Path.home)
XCTAssertEqual(Path("~/"), Path.home)
XCTAssertEqual(Path("~///"), Path.home)
XCTAssertEqual(Path("/~///"), Path.root/"~")
XCTAssertNil(Path("~foo"))
XCTAssertNil(Path("~foo/bar"))
XCTAssertEqual(Path("~\(NSUserName())"), Path.home)
XCTAssertEqual(Path.root/"a/foo"/"../bar", Path.root/"a/bar")
XCTAssertEqual(Path.root/"a/foo"/"/../bar", Path.root/"a/bar")
XCTAssertEqual(Path.root/"a/foo"/"../../bar", Path.root/"bar")
XCTAssertEqual(Path.root/"a/foo"/"../../../bar", Path.root/"bar")
}
func testParent() {
XCTAssertEqual(Path("/root/boot")!.parent.string, "/root")
XCTAssertEqual(Path("/root/boot")!.parent.parent.string, "/")
XCTAssertEqual(Path("/root/boot")!.parent.parent.parent.string, "/")
XCTAssertEqual(Path("/root")!.parent.string, "/")
XCTAssertEqual(Path("/root")!.parent.parent.string, "/")
}
func testDynamicMember() {
XCTAssertEqual(Path.root.Documents, Path.root/"Documents")
let a = Path.home.foo
XCTAssertEqual(a.Documents, Path.home/"foo/Documents")
// verify use of the dynamic-member-subscript works according to our rules
XCTAssertEqual(Path.home[dynamicMember: "../~foo"].string, Path(Path.home).parent.join("~foo").string)
}
func testCopyTo() throws {
try Path.mktemp { root in
try root.foo.touch().copy(to: root.bar)
XCTAssert(root.foo.isFile)
XCTAssert(root.bar.isFile)
XCTAssertThrowsError(try root.foo.copy(to: root.bar))
try root.foo.copy(to: root.bar, overwrite: true)
}
}
func testCopyToExistingDirectoryFails() throws {
// test copy errors if directory exists at destination, even with overwrite
try Path.mktemp { root in
try root.foo.touch()
XCTAssert(root.foo.isFile)
XCTAssertThrowsError(try root.foo.copy(to: root.bar.mkdir()))
XCTAssertThrowsError(try root.foo.copy(to: root.bar, overwrite: true))
}
}
func testCopyInto() throws {
try Path.mktemp { root1 in
let bar1 = try root1.join("bar").touch()
try Path.mktemp { root2 in
let bar2 = try root2.join("bar").touch()
XCTAssertThrowsError(try bar1.copy(into: root2))
try bar1.copy(into: root2, overwrite: true)
XCTAssertTrue(bar1.exists)
XCTAssertTrue(bar2.exists)
}
// test creates intermediary directories
try bar1.copy(into: root1.create.directories)
// test doesnt replace file if copy into a file
let d = try root1.fuz.touch()
XCTAssertThrowsError(try root1.baz.touch().copy(into: d))
XCTAssert(d.isFile)
XCTAssert(root1.baz.isFile)
}
}
func testMoveTo() throws {
try Path.mktemp { tmpdir in
try tmpdir.foo.touch().move(to: tmpdir.bar)
XCTAssertFalse(tmpdir.foo.exists)
XCTAssert(tmpdir.bar.isFile)
XCTAssertThrowsError(try tmpdir.foo.touch().move(to: tmpdir.bar))
try tmpdir.foo.move(to: tmpdir.bar, overwrite: true)
}
// test move errors if directory exists at destination, even with overwrite
try Path.mktemp { root in
try root.foo.touch()
XCTAssert(root.foo.isFile)
XCTAssertThrowsError(try root.foo.move(to: root.bar.mkdir()))
XCTAssertThrowsError(try root.foo.move(to: root.bar, overwrite: true))
}
}
func testMoveInto() throws {
try Path.mktemp { root1 in
let bar1 = try root1.join("bar").touch()
try Path.mktemp { root2 in
let bar2 = try root2.join("bar").touch()
XCTAssertThrowsError(try bar1.move(into: root2))
try bar1.move(into: root2, overwrite: true)
XCTAssertFalse(bar1.exists)
XCTAssertTrue(bar2.exists)
}
// test creates intermediary directories
try root1.baz.touch().move(into: root1.create.directories)
XCTAssertFalse(root1.baz.exists)
XCTAssert(root1.create.directories.baz.isFile)
// test doesnt replace file if move into a file
let d = try root1.fuz.touch()
XCTAssertThrowsError(try root1.baz.touch().move(into: d))
XCTAssert(d.isFile)
XCTAssert(root1.baz.isFile)
}
}
func testRename() throws {
try Path.mktemp { root in
do {
let file = try root.bar.touch()
let foo = try file.rename(to: "foo")
XCTAssertFalse(file.exists)
XCTAssertTrue(foo.isFile)
}
do {
let file = try root.bar.touch()
XCTAssertThrowsError(try file.rename(to: "foo"))
}
}
}
func testCommonDirectories() {
XCTAssertEqual(Path.root.string, "/")
XCTAssertEqual(Path.home.string, NSHomeDirectory())
XCTAssertEqual(Path.documents.string, NSHomeDirectory() + "/Documents")
#if swift(>=5.3)
let filePath = Path(#filePath)!
#else
let filePath = Path(#file)!
#endif
XCTAssertEqual(Path.source().file, filePath)
XCTAssertEqual(Path.source().directory, filePath.parent)
#if !os(Linux)
XCTAssertEqual(Path.caches.string, NSHomeDirectory() + "/Library/Caches")
XCTAssertEqual(Path.cwd.string, FileManager.default.currentDirectoryPath)
XCTAssertEqual(Path.applicationSupport.string, NSHomeDirectory() + "/Library/Application Support")
_ = defaultUrl(for: .documentDirectory)
_ = defaultUrl(for: .cachesDirectory)
_ = defaultUrl(for: .applicationSupportDirectory)
#endif
}
func testStringConvertibles() {
XCTAssertEqual(Path.root.description, "/")
XCTAssertEqual(Path.root.debugDescription, "Path(/)")
XCTAssertEqual(Path(Path.root).description, "/")
XCTAssertEqual(Path(Path.root).debugDescription, "Path(/)")
}
func testFilesystemAttributes() throws {
XCTAssert(Path(#file)!.isFile)
XCTAssert(Path(#file)!.isReadable)
XCTAssert(Path(#file)!.isWritable)
XCTAssert(Path(#file)!.isDeletable)
XCTAssert(Path(#file)!.parent.isDirectory)
try Path.mktemp { tmpdir in
XCTAssertTrue(tmpdir.isDirectory)
XCTAssertFalse(tmpdir.isFile)
let bar = try tmpdir.bar.touch().chmod(0o000)
XCTAssertFalse(bar.isReadable)
XCTAssertFalse(bar.isWritable)
XCTAssertFalse(bar.isDirectory)
XCTAssertFalse(bar.isExecutable)
XCTAssertTrue(bar.isFile)
XCTAssertTrue(bar.isDeletable) // can delete even if no read permissions
try bar.chmod(0o777)
XCTAssertTrue(bar.isReadable)
XCTAssertTrue(bar.isWritable)
XCTAssertTrue(bar.isDeletable)
XCTAssertTrue(bar.isExecutable)
try bar.delete()
XCTAssertFalse(bar.exists)
XCTAssertFalse(bar.isReadable)
XCTAssertFalse(bar.isWritable)
XCTAssertFalse(bar.isExecutable)
XCTAssertFalse(bar.isDeletable)
let nonExistantFile = tmpdir.baz
XCTAssertFalse(nonExistantFile.exists)
XCTAssertFalse(nonExistantFile.isExecutable)
XCTAssertFalse(nonExistantFile.isReadable)
XCTAssertFalse(nonExistantFile.isWritable)
XCTAssertFalse(nonExistantFile.isDeletable)
XCTAssertFalse(nonExistantFile.isDirectory)
XCTAssertFalse(nonExistantFile.isFile)
let baz = try tmpdir.baz.touch()
XCTAssertTrue(baz.isDeletable)
try tmpdir.chmod(0o500) // remove write permission on directory
XCTAssertFalse(baz.isDeletable) // this is how deletion is prevented on UNIX
}
}
func testTimes() throws {
try Path.mktemp { tmpdir in
let now1 = Date().timeIntervalSince1970.rounded(.down)
sleep(1)
let foo = try tmpdir.foo.touch()
#if !os(Linux)
XCTAssertGreaterThan(foo.ctime?.timeIntervalSince1970.rounded(.down) ?? 0, now1) //FIXME flakey
#endif
XCTAssertGreaterThan(foo.mtime?.timeIntervalSince1970.rounded(.down) ?? 0, now1) //FIXME flakey
XCTAssertNil(tmpdir.void.mtime)
XCTAssertNil(tmpdir.void.ctime)
}
}
func testDelete() throws {
try Path.mktemp { tmpdir in
try tmpdir.bar1.delete()
try tmpdir.bar2.touch().delete()
try tmpdir.bar3.touch().chmod(0o000).delete()
#if !os(Linux)
XCTAssertThrowsError(try tmpdir.bar3.touch().lock().delete())
#endif
// regression test: can delete a symlink that points to a non-existent file
let bar5 = try tmpdir.bar4.symlink(as: tmpdir.bar5)
XCTAssertEqual(bar5.type, .symlink)
XCTAssertFalse(bar5.exists)
XCTAssertNoThrow(try bar5.delete())
XCTAssertEqual(bar5.type, nil)
// test that deleting a symlink *only* deletes the symlink
let bar7 = try tmpdir.bar6.touch().symlink(as: tmpdir.bar7)
XCTAssertEqual(bar7.type, .symlink)
XCTAssertTrue(bar7.exists)
XCTAssertNoThrow(try bar7.delete())
XCTAssertEqual(bar7.type, nil)
XCTAssertEqual(tmpdir.bar6.type, .file)
// for code-coverage
XCTAssertEqual(tmpdir.bar6.kind, .file)
}
}
func testRelativeCodable() throws {
let path = Path(Path.home.foo)
let encoder = JSONEncoder()
encoder.userInfo[.relativePath] = Path.home
let data = try encoder.encode([path])
let decoder = JSONDecoder()
decoder.userInfo[.relativePath] = Path.home
XCTAssertEqual(try decoder.decode([Path].self, from: data), [path])
decoder.userInfo[.relativePath] = Path.documents
XCTAssertEqual(try decoder.decode([Path].self, from: data), [Path(Path.documents.foo)])
XCTAssertThrowsError(try JSONDecoder().decode([Path].self, from: data))
}
func testBundleExtensions() throws {
try Path.mktemp { tmpdir -> Void in
guard let bndl = Bundle(path: tmpdir.string) else {
return XCTFail("Couldnt make Bundle for \(tmpdir)")
}
XCTAssertEqual(bndl.path, tmpdir)
XCTAssertEqual(bndl.sharedFrameworks, tmpdir.SharedFrameworks)
XCTAssertEqual(bndl.privateFrameworks, tmpdir.Frameworks)
XCTAssertEqual(bndl.resources, tmpdir)
XCTAssertNil(bndl.path(forResource: "foo", ofType: "bar"))
XCTAssertNil(bndl.executable)
#if os(macOS)
XCTAssertEqual(bndl.defaultSharedFrameworksPath, tmpdir.Contents.Frameworks)
XCTAssertEqual(bndl.defaultResourcesPath, tmpdir.Contents.Resources)
#elseif os(tvOS) || os(iOS) || os(watchOS)
XCTAssertEqual(bndl.defaultSharedFrameworksPath, tmpdir.Frameworks)
XCTAssertEqual(bndl.defaultResourcesPath, tmpdir)
#else
XCTAssertEqual(bndl.defaultSharedFrameworksPath, tmpdir.lib)
XCTAssertEqual(bndl.defaultResourcesPath, tmpdir.share)
#endif
}
}
func testDataExtensions() throws {
let data = try Data(contentsOf: Path(#file)!)
try Path.mktemp { tmpdir in
_ = try data.write(to: tmpdir.foo)
_ = try data.write(to: tmpdir.foo, atomically: true)
}
}
func testStringExtensions() throws {
let string = try String(contentsOf: Path(#file)!)
try Path.mktemp { tmpdir in
_ = try string.write(to: tmpdir.foo)
}
}
func testFileHandleExtensions() throws {
_ = try FileHandle(forReadingAt: Path(#file)!)
_ = try FileHandle(forWritingAt: Path(#file)!)
_ = try FileHandle(forUpdatingAt: Path(#file)!)
}
func testSort() {
XCTAssertEqual([Path.root.a, Path.root.c, Path.root.b].sorted(), [Path.root.a, Path.root.b, Path.root.c])
}
func testLock() throws {
#if !os(Linux)
try Path.mktemp { tmpdir in
let bar = try tmpdir.bar.touch()
try bar.lock()
XCTAssertThrowsError(try bar.touch())
try bar.unlock()
try bar.touch()
// a non existant file is already unlocked
try tmpdir.nonExit.unlock()
}
#endif
}
func testTouchThrowsIfCannotWrite() throws {
try Path.mktemp { tmpdir in
print(try FileManager.default.attributesOfItem(atPath: tmpdir.string)[.posixPermissions])
//FIXME fails in Docker image (only)
try tmpdir.chmod(0o000)
let attrs = try FileManager.default.attributesOfItem(atPath: tmpdir.string)
XCTAssertEqual(attrs[.posixPermissions] as? Int, 0)
print(attrs[.posixPermissions])
XCTAssertThrowsError(try tmpdir.bar.touch())
XCTAssertFalse(tmpdir.bar.exists)
}
}
func testSymlinkFunctions() throws {
try Path.mktemp { tmpdir in
let foo = try tmpdir.foo.touch()
let bar = try foo.symlink(as: tmpdir.bar)
XCTAssert(bar.isSymlink)
XCTAssertEqual(try bar.readlink(), foo)
}
try Path.mktemp { tmpdir in
let foo1 = try tmpdir.foo.touch()
let foo2 = try foo1.symlink(into: tmpdir.bar)
XCTAssert(foo2.isSymlink)
XCTAssert(tmpdir.bar.isDirectory)
XCTAssertEqual(try foo2.readlink(), foo1)
// cannot symlink into when `into` is an existing entry that is not a directory
let baz = try tmpdir.baz.touch()
XCTAssertThrowsError(try foo1.symlink(into: baz))
}
try Path.mktemp { tmpdir in
let foo = try tmpdir.foo.touch()
let bar = try tmpdir.bar.mkdir()
XCTAssertThrowsError(try foo.symlink(as: bar))
XCTAssert(try foo.symlink(as: bar/"foo").isSymlink)
}
}
func testReadlinkOnRelativeSymlink() throws {
//TODO how to test on iOS etc.?
#if os(macOS) || os(Linux)
try Path.mktemp { tmpdir in
let foo = try tmpdir.foo.mkdir()
let bar = try tmpdir.bar.touch()
let task = Process()
task.currentDirectoryPath = foo.string
task.launchPath = "/bin/ln"
task.arguments = ["-s", "../bar", "baz"]
task.launch()
task.waitUntilExit()
XCTAssertEqual(task.terminationStatus, 0)
XCTAssert(tmpdir.foo.baz.isSymlink)
XCTAssertEqual(try FileManager.default.destinationOfSymbolicLink(atPath: tmpdir.foo.baz.string), "../bar")
XCTAssertEqual(try tmpdir.foo.baz.readlink(), bar)
}
#endif
}
func testReadlinkOnFileReturnsSelf() throws {
try Path.mktemp { tmpdir in
XCTAssertEqual(try tmpdir.foo.touch(), tmpdir.foo)
XCTAssertEqual(try tmpdir.foo.readlink(), tmpdir.foo)
}
}
func testReadlinkOnNonExistantFileThrows() throws {
try Path.mktemp { tmpdir in
XCTAssertThrowsError(try tmpdir.bar.readlink())
}
}
func testReadlinkWhereLinkDestinationDoesNotExist() throws {
try Path.mktemp { tmpdir in
let bar = try tmpdir.foo.symlink(as: tmpdir.bar)
XCTAssertEqual(try bar.readlink(), tmpdir.foo)
}
}
func testNoUndesiredSymlinkResolution() throws {
// this test because NSString.standardizingPath will resolve symlinks
// if the path you give it contains .. and the result is an actual entry
try Path.mktemp { tmpdir in
let foo = try tmpdir.foo.mkdir()
try foo.join("bar").mkdir().join("fuz").touch()
let baz = DynamicPath(try foo.symlink(as: tmpdir.baz))
XCTAssert(baz.isSymlink)
XCTAssert(baz.bar.isDirectory)
XCTAssertEqual(baz.bar.join("..").string, "\(tmpdir)/baz")
XCTAssertEqual(Path("\(tmpdir)/baz/bar/..")?.string, "\(tmpdir)/baz")
}
}
func testRealpath() throws {
try Path.mktemp { tmpdir in
let b = try tmpdir.a.b.mkdir(.p)
let c = try tmpdir.a.c.touch()
let e = try c.symlink(as: b/"e")
let f = try e.symlink(as: tmpdir.f)
XCTAssertEqual(try f.readlink(), e)
XCTAssertEqual(try f.realpath(), c)
}
try Path.mktemp { tmpdir in
XCTAssertThrowsError(try tmpdir.foo.realpath())
}
}
func testFileReference() throws {
let ref = Path.home.fileReferenceURL
#if !os(Linux)
XCTAssertTrue(ref?.isFileReferenceURL() ?? false)
#endif
XCTAssertEqual(ref?.path, Path.home.string)
}
func testURLInitializer() throws {
XCTAssertEqual(Path(url: Path.home.url), Path.home)
XCTAssertEqual(Path.home.fileReferenceURL.flatMap(Path.init), Path.home)
XCTAssertNil(Path(url: URL(string: "https://foo.com")!))
XCTAssertNil(Path(url: NSURL(string: "https://foo.com")!))
}
func testInitializerForRelativePath() throws {
XCTAssertNil(Path("foo"))
XCTAssertNil(Path("../foo"))
XCTAssertNil(Path("./foo"))
}
func testPathComponents() throws {
XCTAssertEqual(Path.root.foo.bar.components, ["foo", "bar"])
XCTAssertEqual(Path.root.components, [])
}
func testFlatMap() throws {
// testing compile works
let foo: String? = "/a"
_ = foo.flatMap(Path.init)
let bar: Substring? = "/a"
_ = bar.flatMap(Path.init)
let baz: String.SubSequence? = "/a/b:1".split(separator: ":").first
_ = baz.flatMap(Path.init)
}
func testKind() throws {
try Path.mktemp { tmpdir in
let foo = try tmpdir.foo.touch()
let bar = try foo.symlink(as: tmpdir.bar)
XCTAssertEqual(tmpdir.type, .directory)
XCTAssertEqual(foo.type, .file)
XCTAssertEqual(bar.type, .symlink)
}
}
func testOptionalInitializer() throws {
XCTAssertNil(Path(""))
XCTAssertNil(Path("./foo"))
XCTAssertEqual(Path("/foo"), Path.root.foo)
}
}