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Tests: Enable BasicsTests/FileSystem/* Tests on Windows (Swift Testing) #8450

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May 2, 2025
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Tests: Enable BasicsTests/FileSystem/* Tests on Windows (Swift Testing) #8450

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5724196
Tests: Convert Most Basics/FileSystem/* to Swift Testing
bkhouri Apr 3, 2025
2c2a61e
Tests: Enable more Windows Windows tests
bkhouri Apr 1, 2025
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58 changes: 33 additions & 25 deletions Tests/BasicsTests/FileSystem/FileSystemTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -9,86 +9,94 @@
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Foundation
import TSCTestSupport
import Testing

@testable import Basics
import TSCTestSupport
import XCTest

final class FileSystemTests: XCTestCase {
func testStripFirstLevelComponent() throws {
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 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 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)
#expect(contents.count == 1)
}

try fileSystem.stripFirstLevel(of: .root)

do {
let contents = Set(try fileSystem.getDirectoryContents(.root))
XCTAssertEqual(contents.count, totalDirectories + totalFiles)
#expect(contents.count == totalDirectories + totalFiles)

for index in 0 ..< totalDirectories {
XCTAssertTrue(contents.contains("dir\(index)"))
for index in 0..<totalDirectories {
#expect(contents.contains("dir\(index)"))
}
for index in 0 ..< totalFiles {
XCTAssertTrue(contents.contains("file\(index)"))
for index in 0..<totalFiles {
#expect(contents.contains("file\(index)"))
}
}
}

func testStripFirstLevelComponentErrors() throws {
@Test
func stripFirstLevelComponentErrors() throws {
let functionUnderTest = "stripFirstLevel"
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"))
#expect(throws: StringError("\(functionUnderTest) requires single top level directory"))
{
try fileSystem.stripFirstLevel(of: .root)
}
}

do {
let fileSystem = InMemoryFileSystem()
for index in 0 ..< 3 {
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"))
#expect(throws: StringError("\(functionUnderTest) requires single top level directory"))
{
try fileSystem.stripFirstLevel(of: .root)
}
}

do {
let fileSystem = InMemoryFileSystem()
for index in 0 ..< 3 {
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"))
#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: "")
XCTAssertThrowsError(try fileSystem.stripFirstLevel(of: .root), "expected error") { error in
XCTAssertMatch((error as? StringError)?.description, .contains("requires single top level directory"))
#expect(throws: StringError("\(functionUnderTest) requires single top level directory"))
{
try fileSystem.stripFirstLevel(of: .root)
}
}
}
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