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//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 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
//
#if canImport(Foundation) && !SWT_NO_ABI_ENTRY_POINT
@testable @_spi(Experimental) @_spi(ForToolsIntegrationOnly) import Testing
#if canImport(Foundation)
private import Foundation
#endif
private import _TestingInternals
@Suite("ABI entry point tests")
struct ABIEntryPointTests {
#if !SWT_NO_SNAPSHOT_TYPES
@available(*, deprecated)
@Test func v0_experimental() async throws {
var arguments = __CommandLineArguments_v0()
arguments.filter = ["NonExistentTestThatMatchesNothingHopefully"]
arguments.eventStreamVersion = 0
arguments.verbosity = .min
let result = try await _invokeEntryPointV0Experimental(passing: arguments) { recordJSON in
let record = try! JSON.decode(ABIv0.Record.self, from: recordJSON)
_ = record.version
}
#expect(result == EXIT_SUCCESS)
}
@available(*, deprecated)
@Test("v0 experimental entry point with a large number of filter arguments")
func v0_experimental_manyFilters() async throws {
var arguments = __CommandLineArguments_v0()
arguments.filter = (1...100).map { "NonExistentTestThatMatchesNothingHopefully_\($0)" }
arguments.eventStreamVersion = 0
arguments.verbosity = .min
let result = try await _invokeEntryPointV0Experimental(passing: arguments)
#expect(result == EXIT_SUCCESS)
}
@available(*, deprecated)
private func _invokeEntryPointV0Experimental(
passing arguments: __CommandLineArguments_v0,
recordHandler: @escaping @Sendable (_ recordJSON: UnsafeRawBufferPointer) -> Void = { _ in }
) async throws -> CInt {
// Get the ABI entry point by dynamically looking it up at runtime.
let copyABIEntryPoint_v0 = try #require(
symbol(named: "swt_copyABIEntryPoint_v0").map {
unsafeBitCast($0, to: (@convention(c) () -> UnsafeMutableRawPointer).self)
}
)
let abiEntryPoint = copyABIEntryPoint_v0().assumingMemoryBound(to: ABIEntryPoint_v0.self)
defer {
abiEntryPoint.deinitialize(count: 1)
abiEntryPoint.deallocate()
}
let argumentsJSON = try JSON.withEncoding(of: arguments) { argumentsJSON in
let result = UnsafeMutableRawBufferPointer.allocate(byteCount: argumentsJSON.count, alignment: 1)
result.copyMemory(from: argumentsJSON)
return result
}
defer {
argumentsJSON.deallocate()
}
// Call the entry point function.
return try await abiEntryPoint.pointee(.init(argumentsJSON), recordHandler)
}
#endif
@Test func v0() async throws {
var arguments = __CommandLineArguments_v0()
arguments.filter = ["NonExistentTestThatMatchesNothingHopefully"]
arguments.eventStreamVersion = 0
arguments.verbosity = .min
let result = try await _invokeEntryPointV0(passing: arguments) { recordJSON in
let record = try! JSON.decode(ABIv0.Record.self, from: recordJSON)
_ = record.version
}
#expect(result)
}
@Test("v0 entry point with a large number of filter arguments")
func v0_manyFilters() async throws {
var arguments = __CommandLineArguments_v0()
arguments.filter = (1...100).map { "NonExistentTestThatMatchesNothingHopefully_\($0)" }
arguments.eventStreamVersion = 0
arguments.verbosity = .min
let result = try await _invokeEntryPointV0(passing: arguments)
#expect(result)
}
@Test("v0 entry point listing tests only")
func v0_listingTestsOnly() async throws {
var arguments = __CommandLineArguments_v0()
arguments.listTests = true
arguments.eventStreamVersion = 0
arguments.verbosity = .min
try await confirmation("Test matched", expectedCount: 1...) { testMatched in
_ = try await _invokeEntryPointV0(passing: arguments) { recordJSON in
let record = try! JSON.decode(ABIv0.Record.self, from: recordJSON)
if case .test = record.kind {
testMatched()
} else {
Issue.record("Unexpected record \(record)")
}
}
}
}
private func _invokeEntryPointV0(
passing arguments: __CommandLineArguments_v0,
recordHandler: @escaping @Sendable (_ recordJSON: UnsafeRawBufferPointer) -> Void = { _ in }
) async throws -> Bool {
#if !os(Linux) && !SWT_NO_DYNAMIC_LINKING
// Get the ABI entry point by dynamically looking it up at runtime.
//
// NOTE: The standard Linux linker does not allow exporting symbols from
// executables, so dlsym() does not let us find this function on that
// platform when built as an executable rather than a dynamic library.
let abiv0_getEntryPoint = try #require(
symbol(named: "swt_abiv0_getEntryPoint").map {
unsafeBitCast($0, to: (@convention(c) () -> UnsafeRawPointer).self)
}
)
#endif
let abiEntryPoint = unsafeBitCast(abiv0_getEntryPoint(), to: ABIv0.EntryPoint.self)
let argumentsJSON = try JSON.withEncoding(of: arguments) { argumentsJSON in
let result = UnsafeMutableRawBufferPointer.allocate(byteCount: argumentsJSON.count, alignment: 1)
result.copyMemory(from: argumentsJSON)
return result
}
defer {
argumentsJSON.deallocate()
}
// Call the entry point function.
return try await abiEntryPoint(.init(argumentsJSON), recordHandler)
}
#if canImport(Foundation)
@Test func decodeEmptyConfiguration() throws {
let emptyBuffer = UnsafeRawBufferPointer(start: nil, count: 0)
#expect(throws: DecodingError.self) {
_ = try JSON.decode(__CommandLineArguments_v0.self, from: emptyBuffer)
}
}
#endif
}
#endif
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