Tests: Convert Build Command Tests to Swift Testing

Convert the Build Command Tests to Swift Testing,

Make use of parameterized tests to reduce duplication and use
`withKnownIssue` to get signal when tests have been fixed.

Author: bkhouri

Sources/Basics/Process.swift

@@ -19,6 +19,18 @@ public enum OperatingSystem: Hashable, Sendable {
     case unknown
 }
 
+
+public func workingDirectoryIsSupported() -> Bool {
+        #if os(Linux)
+        if FileManager.default.contents(atPath: "/etc/system-release").map({ String(decoding: $0, as: UTF8.self) == "Amazon Linux release 2 (Karoo)\n" }) ?? false {
+            return false
+        }
+        #elseif os(OpenBSD)
+        return false
+        #endif
+        return true
+
+}
 extension ProcessInfo {
     public static var hostOperatingSystem: OperatingSystem {
         #if os(macOS)

Sources/_InternalTestSupport/BuildSystemProvider+Configuration.swift

@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift open source project
+//
+// Copyright (c) 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 the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+import struct SPMBuildCore.BuildSystemProvider
+import enum PackageModel.BuildConfiguration
+
+extension BuildSystemProvider.Kind {
+
+    public func binPathSuffixes(for config: BuildConfiguration) -> [String] {
+        let suffix: String
+
+        #if os(linux)
+        suffix = "-linux"
+        #elseif os(Windows)
+        suffix  = "-windows"
+        #else
+        suffix = ""
+        #endif
+        switch self {
+            case .native:
+                return ["\(config)".lowercased()]
+            case .swiftbuild:
+                return ["Products" , "\(config)\(suffix)".capitalized]
+            case .xcode:
+                return ["apple", "Products" , "\(config)\(suffix)".capitalized]
+        }
+    }
+}

Sources/_InternalTestSupport/BuildSystemProvider+Supported.swift

@@ -0,0 +1,21 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift open source project
+//
+// Copyright (c) 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 the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+import struct SPMBuildCore.BuildSystemProvider
+
+public var SupportedBuildSystemOnPlatform: [BuildSystemProvider.Kind] {
+    #if os(macOS)
+        BuildSystemProvider.Kind.allCases
+    #else
+        BuildSystemProvider.Kind.allCases.filter { $0 != .xcode }
+    #endif
+}

Sources/_InternalTestSupport/SkippedTestSupport.swift

@@ -68,4 +68,62 @@ extension Trait where Self == Testing.ConditionTrait {
                 .map { String(decoding: $0, as: UTF8.self) == "Amazon Linux release 2 (Karoo)\n" } ?? false
         }
     }
+
+    /// Skips the test if running on a platform which lacks the ability for build tasks to set a working directory due to lack of requisite system API.
+    ///
+    /// Presently, relevant platforms include Amazon Linux 2 and OpenBSD.
+    ///
+    /// - seealso: https://github.com/swiftlang/swift-package-manager/issues/8560
+    public static var disableIfWorkingDirectoryUnsupported: Self {
+        disabled("https://github.com/swiftlang/swift-package-manager/issues/8560: Thread-safe process working directory support is unavailable on this platform.") {
+            !workingDirectoryIsSupported()
+        }
+    }
+}
+
+extension Trait where Self == Testing.Bug {
+    public static func SWBINTTODO(_ comment: Comment) -> Self {
+        bug(nil, id: 0, comment)
+    }
+}
+extension Tag {
+    public enum TestSize {}
+    public enum Feature {}
+    @Tag public static var UserWorkflow: Tag
+}
+
+extension Tag.TestSize {
+    @Tag public static var small: Tag
+    @Tag public static var medium: Tag
+    @Tag public static var large: Tag
+}
+
+extension Tag.Feature {
+    public enum Command {}
+    public enum PackageType {}
+
+    @Tag public static var CodeCoverage: Tag
+    @Tag public static var Resource: Tag
+    @Tag public static var SpecialCharacters: Tag
+}
+
+
+extension Tag.Feature.Command {
+    public enum Package {}
+    @Tag public static var Build: Tag
+    @Tag public static var Test: Tag
+    @Tag public static var Run: Tag
+}
+
+extension Tag.Feature.Command.Package {
+    @Tag public static var Init: Tag
 }
+extension Tag.Feature.PackageType {
+    @Tag public static var Library: Tag
+     @Tag public static var Executable: Tag
+     @Tag public static var Tool: Tag
+     @Tag public static var Plugin: Tag
+     @Tag public static var BuildToolPlugin: Tag
+     @Tag public static var CommandPlugin: Tag
+     @Tag public static var Macro: Tag
+ }

Sources/_InternalTestSupport/XCTAssertHelpers.swift

@@ -15,6 +15,7 @@ import Basics
 import class Foundation.Bundle
 #endif
 import SPMBuildCore
+import enum PackageModel.BuildConfiguration
 import TSCTestSupport
 import XCTest
 
@@ -139,7 +140,7 @@ package func XCTAssertAsyncNoThrow<T>(
 
 public func XCTAssertBuilds(
     _ path: AbsolutePath,
-    configurations: Set<Configuration> = [.Debug, .Release],
+    configurations: Set<BuildConfiguration> = [.debug, .release],
     extraArgs: [String] = [],
     Xcc: [String] = [],
     Xld: [String] = [],
@@ -169,7 +170,7 @@ public func XCTAssertBuilds(
 
 public func XCTAssertSwiftTest(
     _ path: AbsolutePath,
-    configuration: Configuration = .Debug,
+    configuration: BuildConfiguration = .debug,
     extraArgs: [String] = [],
     Xcc: [String] = [],
     Xld: [String] = [],

Sources/_InternalTestSupport/misc.swift

@@ -281,13 +281,14 @@ public func getBuildSystemArgs(for buildSystem: BuildSystemProvider.Kind?) -> [S
 @discardableResult
 public func executeSwiftBuild(
     _ packagePath: AbsolutePath?,
-    configuration: Configuration = .Debug,
+    configuration: BuildConfiguration = .debug,
     extraArgs: [String] = [],
     Xcc: [String] = [],
     Xld: [String] = [],
     Xswiftc: [String] = [],
     env: Environment? = nil,
-    buildSystem: BuildSystemProvider.Kind = .native
+    buildSystem: BuildSystemProvider.Kind = .native,
+    throwIfCommandFails: Bool = true,
 ) async throws -> (stdout: String, stderr: String) {
     let args = swiftArgs(
         configuration: configuration,
@@ -297,14 +298,14 @@ public func executeSwiftBuild(
         Xswiftc: Xswiftc,
         buildSystem: buildSystem
     )
-    return try await SwiftPM.Build.execute(args, packagePath: packagePath, env: env)
+    return try await SwiftPM.Build.execute(args, packagePath: packagePath, env: env, throwIfCommandFails: throwIfCommandFails)
 }
 
 @discardableResult
 public func executeSwiftRun(
     _ packagePath: AbsolutePath?,
     _ executable: String?,
-    configuration: Configuration = .Debug,
+    configuration: BuildConfiguration = .debug,
     extraArgs: [String] = [],
     Xcc: [String] = [],
     Xld: [String] = [],
@@ -329,7 +330,7 @@ public func executeSwiftRun(
 @discardableResult
 public func executeSwiftPackage(
     _ packagePath: AbsolutePath?,
-    configuration: Configuration = .Debug,
+    configuration: BuildConfiguration = .debug,
     extraArgs: [String] = [],
     Xcc: [String] = [],
     Xld: [String] = [],
@@ -351,7 +352,7 @@ public func executeSwiftPackage(
 @discardableResult
 public func executeSwiftPackageRegistry(
     _ packagePath: AbsolutePath?,
-    configuration: Configuration = .Debug,
+    configuration: BuildConfiguration = .debug,
     extraArgs: [String] = [],
     Xcc: [String] = [],
     Xld: [String] = [],
@@ -373,7 +374,7 @@ public func executeSwiftPackageRegistry(
 @discardableResult
 public func executeSwiftTest(
     _ packagePath: AbsolutePath?,
-    configuration: Configuration = .Debug,
+    configuration: BuildConfiguration = .debug,
     extraArgs: [String] = [],
     Xcc: [String] = [],
     Xld: [String] = [],
@@ -394,7 +395,7 @@ public func executeSwiftTest(
 }
 
 private func swiftArgs(
-    configuration: Configuration,
+    configuration: BuildConfiguration,
     extraArgs: [String],
     Xcc: [String],
     Xld: [String],
@@ -403,9 +404,9 @@ private func swiftArgs(
 ) -> [String] {
     var args = ["--configuration"]
     switch configuration {
-    case .Debug:
+    case .debug:
         args.append("debug")
-    case .Release:
+    case .release:
         args.append("release")
     }