From f056f4f43b4e7170e6fea13071b47b4c2fc93470 Mon Sep 17 00:00:00 2001
From: nate-chandler <46721658+nate-chandler@users.noreply.github.com>
Date: Wed, 9 Apr 2025 14:54:09 -0700
Subject: [PATCH] Revert "Copy helpers internally (#8467)"

This reverts commit e303b898a7791285626493e74745cb8565a3659e.
---
 Sources/_InternalTestSupport/Process.swift    | 43 ------------
 .../SkippedTestSupport.swift                  | 70 -------------------
 2 files changed, 113 deletions(-)
 delete mode 100644 Sources/_InternalTestSupport/Process.swift
 delete mode 100644 Sources/_InternalTestSupport/SkippedTestSupport.swift

diff --git a/Sources/_InternalTestSupport/Process.swift b/Sources/_InternalTestSupport/Process.swift
deleted file mode 100644
index eacfcbc2896..00000000000
--- a/Sources/_InternalTestSupport/Process.swift
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- This source file is part of the Swift.org open source project
-
- Copyright (c) 2014 - 2025 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 Swift project authors
- */
-
-public import Foundation
-
-public enum OperatingSystem: Hashable, Sendable {
-    case macOS
-    case windows
-    case linux
-    case android
-    case unknown
-}
-
-extension ProcessInfo {
-    #if os(macOS)
-    public static let hostOperatingSystem = OperatingSystem.macOS
-    #elseif os(Linux)
-    public static let hostOperatingSystem = OperatingSystem.linux
-    #elseif os(Windows)
-    public static let hostOperatingSystem = OperatingSystem.windows
-    #else
-    public static let hostOperatingSystem = OperatingSystem.unknown
-    #endif
-
-    #if os(Windows)
-    public static let EOL = "\r\n"
-    #else
-    public static let EOL = "\n"
-    #endif
-
-    #if os(Windows)
-    public static let exeSuffix = ".exe"
-    #else
-    public static let exeSuffix = ""
-    #endif
-}
diff --git a/Sources/_InternalTestSupport/SkippedTestSupport.swift b/Sources/_InternalTestSupport/SkippedTestSupport.swift
deleted file mode 100644
index b73727d1c64..00000000000
--- a/Sources/_InternalTestSupport/SkippedTestSupport.swift
+++ /dev/null
@@ -1,70 +0,0 @@
-
-/*
- This source file is part of the Swift.org open source project
-
- Copyright (c) 2014 - 2025 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 Swift project authors
- */
-
-import class Foundation.FileManager
-import class Foundation.ProcessInfo
-import Testing
-
-extension Trait where Self == Testing.ConditionTrait {
-    /// Skip test if the host operating system does not match the running OS.
-    public static func requireHostOS(_ os: OperatingSystem, when condition: Bool = true) -> Self {
-        enabled("This test requires a \(os) host OS.") {
-            ProcessInfo.hostOperatingSystem == os && condition
-        }
-    }
-
-    /// Skip test if the host operating system matches the running OS.
-    public static func skipHostOS(_ os: OperatingSystem, _ comment: Comment? = nil) -> Self {
-        disabled(comment ?? "This test cannot run on a \(os) host OS.") {
-            ProcessInfo.hostOperatingSystem == os
-        }
-    }
-
-    /// Skip test unconditionally
-    public static func skip(_ comment: Comment? = nil) -> Self {
-        disabled(comment ?? "Unconditional skip, a comment should be added for the reason") { true }
-    }
-
-    /// Skip test if the environment is self hosted.
-    public static func skipSwiftCISelfHosted(_ comment: Comment? = nil) -> Self {
-        disabled(comment ?? "SwiftCI is self hosted") {
-            ProcessInfo.processInfo.environment["SWIFTCI_IS_SELF_HOSTED"] != nil
-        }
-    }
-
-    /// Skip test if the test environment has a restricted network access, i.e. cannot get to internet.
-    public static func requireUnrestrictedNetworkAccess(_ comment: Comment? = nil) -> Self {
-        disabled(comment ?? "CI Environment has restricted network access") {
-            ProcessInfo.processInfo.environment["SWIFTCI_RESTRICTED_NETWORK_ACCESS"] != nil
-        }
-    }
-
-    /// Skip test if built by XCode.
-    public static func skipIfXcodeBuilt() -> Self {
-        disabled("Tests built by Xcode") {
-            #if Xcode
-            true
-            #else
-            false
-            #endif
-        }
-    }
-
-    /// Constructs a condition trait that causes a test to be disabled if the Foundation process spawning implementation
-    /// is not using `posix_spawn_file_actions_addchdir`.
-    public static var requireThreadSafeWorkingDirectory: Self {
-        disabled("Thread-safe process working directory support is unavailable.") {
-            // Amazon Linux 2 has glibc 2.26, and glibc 2.29 is needed for posix_spawn_file_actions_addchdir_np support
-            FileManager.default.contents(atPath: "/etc/system-release")
-                .map { String(decoding: $0, as: UTF8.self) == "Amazon Linux release 2 (Karoo)\n" } ?? false
-        }
-    }
-}