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// swift-tools-version: 6.0
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for Swift project authors
//
import PackageDescription
import CompilerPluginSupport
let package = Package(
name: "swift-testing",
platforms: [
.macOS(.v10_15),
.iOS(.v13),
.watchOS(.v6),
.tvOS(.v13),
.macCatalyst(.v13),
.visionOS(.v1),
],
products: [
.library(
name: "Testing",
targets: ["Testing"]
),
],
dependencies: [
.package(url: "https://github.com/swiftlang/swift-syntax.git", from: "600.0.0"),
],
targets: [
.target(
name: "Testing",
dependencies: [
"_TestingInternals",
"TestingMacros",
],
exclude: ["CMakeLists.txt"],
cxxSettings: .packageSettings,
swiftSettings: .packageSettings
),
.testTarget(
name: "TestingTests",
dependencies: [
"Testing",
"_Testing_Foundation",
],
swiftSettings: .packageSettings
),
.macro(
name: "TestingMacros",
dependencies: [
.product(name: "SwiftDiagnostics", package: "swift-syntax"),
.product(name: "SwiftSyntax", package: "swift-syntax"),
.product(name: "SwiftSyntaxBuilder", package: "swift-syntax"),
.product(name: "SwiftParser", package: "swift-syntax"),
.product(name: "SwiftSyntaxMacros", package: "swift-syntax"),
.product(name: "SwiftCompilerPlugin", package: "swift-syntax"),
],
exclude: ["CMakeLists.txt"],
swiftSettings: .packageSettings + [
// When building as a package, the macro plugin always builds as an
// executable rather than a library.
.define("SWT_NO_LIBRARY_MACRO_PLUGINS"),
// The only target which needs the ability to import this macro
// implementation target's module is its unit test target. Users of the
// macros this target implements use them via their declarations in the
// Testing module. This target's module is never distributed to users,
// but as an additional guard against accidental misuse, this specifies
// the unit test target as the only allowable client.
.unsafeFlags(["-Xfrontend", "-allowable-client", "-Xfrontend", "TestingMacrosTests"]),
]
),
// "Support" targets: These contain C family code and are used exclusively
// by other targets above, not directly included in product libraries.
.target(
name: "_TestingInternals",
exclude: ["CMakeLists.txt"],
cxxSettings: .packageSettings
),
// Cross-module overlays (unsupported)
.target(
name: "_Testing_Foundation",
dependencies: [
"Testing",
],
swiftSettings: .packageSettings
),
],
cxxLanguageStandard: .cxx20
)
// BUG: swift-package-manager-#6367
#if !os(Windows)
package.targets.append(contentsOf: [
.testTarget(
name: "TestingMacrosTests",
dependencies: [
"Testing",
"TestingMacros",
],
swiftSettings: .packageSettings
)
])
#endif
extension Array where Element == PackageDescription.SwiftSetting {
/// Settings intended to be applied to every Swift target in this package.
/// Analogous to project-level build settings in an Xcode project.
static var packageSettings: Self {
availabilityMacroSettings + [
.unsafeFlags(["-require-explicit-sendable"]),
.enableUpcomingFeature("ExistentialAny"),
.enableExperimentalFeature("AccessLevelOnImport"),
.enableUpcomingFeature("InternalImportsByDefault"),
.define("SWT_TARGET_OS_APPLE", .when(platforms: [.macOS, .iOS, .macCatalyst, .watchOS, .tvOS, .visionOS])),
.define("SWT_NO_EXIT_TESTS", .when(platforms: [.iOS, .watchOS, .tvOS, .visionOS, .wasi])),
.define("SWT_NO_SNAPSHOT_TYPES", .when(platforms: [.linux, .windows, .wasi])),
.define("SWT_NO_DYNAMIC_LINKING", .when(platforms: [.wasi])),
]
}
/// Settings which define commonly-used OS availability macros.
///
/// These leverage a pseudo-experimental feature in the Swift compiler for
/// setting availability definitions, which was added in
/// [swift#65218](https://github.com/swiftlang/swift/pull/65218).
private static var availabilityMacroSettings: Self {
[
.enableExperimentalFeature("AvailabilityMacro=_mangledTypeNameAPI:macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0"),
.enableExperimentalFeature("AvailabilityMacro=_backtraceAsyncAPI:macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0"),
.enableExperimentalFeature("AvailabilityMacro=_clockAPI:macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0"),
.enableExperimentalFeature("AvailabilityMacro=_regexAPI:macOS 13.0, iOS 16.0, tvOS 16.0, watchOS 9.0"),
.enableExperimentalFeature("AvailabilityMacro=_swiftVersionAPI:macOS 13.0, iOS 16.0, tvOS 16.0, watchOS 9.0"),
.enableExperimentalFeature("AvailabilityMacro=_distantFuture:macOS 99.0, iOS 99.0, watchOS 99.0, tvOS 99.0, visionOS 99.0"),
]
}
}
extension Array where Element == PackageDescription.CXXSetting {
/// Settings intended to be applied to every C++ target in this package.
/// Analogous to project-level build settings in an Xcode project.
static var packageSettings: Self {
var result = Self()
// Capture the testing library's version as a C++ string constant.
if let git = Context.gitInformation {
let testingLibraryVersion = if let tag = git.currentTag {
tag
} else if git.hasUncommittedChanges {
"\(git.currentCommit) (modified)"
} else {
git.currentCommit
}
result.append(.define("_SWT_TESTING_LIBRARY_VERSION", to: #""\#(testingLibraryVersion)""#))
}
return result
}
}
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