File size: 8,463 Bytes
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import OpenClawKit
extension WebSocketTasking {
/// Keep unit-test doubles resilient to protocol additions.
func sendPing(pongReceiveHandler: @escaping @Sendable (Error?) -> Void) {
pongReceiveHandler(nil)
}
}
enum GatewayWebSocketTestSupport {
static func connectChallengeData(nonce: String = "test-nonce") -> Data {
let json = """
{
"type": "event",
"event": "connect.challenge",
"payload": { "nonce": "\(nonce)" }
}
"""
return Data(json.utf8)
}
static func connectRequestID(from message: URLSessionWebSocketTask.Message) -> String? {
guard let obj = self.requestFrameObject(from: message) else { return nil }
guard (obj["type"] as? String) == "req", (obj["method"] as? String) == "connect" else {
return nil
}
return obj["id"] as? String
}
static func connectOkData(id: String) -> Data {
let json = """
{
"type": "res",
"id": "\(id)",
"ok": true,
"payload": {
"type": "hello-ok",
"protocol": 2,
"server": { "version": "test", "connId": "test" },
"features": { "methods": [], "events": [] },
"snapshot": {
"presence": [ { "ts": 1 } ],
"health": {},
"stateVersion": { "presence": 0, "health": 0 },
"uptimeMs": 0
},
"policy": { "maxPayload": 1, "maxBufferedBytes": 1, "tickIntervalMs": 30000 }
}
}
"""
return Data(json.utf8)
}
static func connectAuthFailureData(
id: String,
detailCode: String,
message: String = "gateway auth rejected",
canRetryWithDeviceToken: Bool = false,
recommendedNextStep: String? = nil) -> Data
{
let recommendedNextStepJson: String
if let recommendedNextStep {
recommendedNextStepJson = """
,
"recommendedNextStep": "\(recommendedNextStep)"
"""
} else {
recommendedNextStepJson = ""
}
let json = """
{
"type": "res",
"id": "\(id)",
"ok": false,
"error": {
"message": "\(message)",
"details": {
"code": "\(detailCode)",
"canRetryWithDeviceToken": \(canRetryWithDeviceToken ? "true" : "false")
\(recommendedNextStepJson)
}
}
}
"""
return Data(json.utf8)
}
static func requestID(from message: URLSessionWebSocketTask.Message) -> String? {
guard let obj = self.requestFrameObject(from: message) else { return nil }
guard (obj["type"] as? String) == "req" else {
return nil
}
return obj["id"] as? String
}
private static func requestFrameObject(from message: URLSessionWebSocketTask.Message) -> [String: Any]? {
let data: Data? = switch message {
case let .data(d): d
case let .string(s): s.data(using: .utf8)
@unknown default: nil
}
guard let data else { return nil }
return try? JSONSerialization.jsonObject(with: data) as? [String: Any]
}
static func okResponseData(id: String) -> Data {
let json = """
{
"type": "res",
"id": "\(id)",
"ok": true,
"payload": { "ok": true }
}
"""
return Data(json.utf8)
}
}
extension NSLock {
@inline(__always)
fileprivate func withLock<T>(_ body: () throws -> T) rethrows -> T {
self.lock(); defer { self.unlock() }
return try body()
}
}
final class GatewayTestWebSocketTask: WebSocketTasking, @unchecked Sendable {
typealias SendHook = @Sendable (GatewayTestWebSocketTask, URLSessionWebSocketTask.Message, Int) async throws -> Void
typealias ReceiveHook = @Sendable (GatewayTestWebSocketTask, Int) async throws -> URLSessionWebSocketTask.Message
private let lock = NSLock()
private let sendHook: SendHook?
private let receiveHook: ReceiveHook?
private var _state: URLSessionTask.State = .suspended
private var connectRequestID: String?
private var sendCount = 0
private var receiveCount = 0
private var cancelCount = 0
private var pendingReceiveHandler: (@Sendable (Result<URLSessionWebSocketTask.Message, Error>) -> Void)?
init(sendHook: SendHook? = nil, receiveHook: ReceiveHook? = nil) {
self.sendHook = sendHook
self.receiveHook = receiveHook
}
var state: URLSessionTask.State {
get { self.lock.withLock { self._state } }
set { self.lock.withLock { self._state = newValue } }
}
func snapshotCancelCount() -> Int {
self.lock.withLock { self.cancelCount }
}
func snapshotConnectRequestID() -> String? {
self.lock.withLock { self.connectRequestID }
}
func resume() {
self.state = .running
}
func cancel(with closeCode: URLSessionWebSocketTask.CloseCode, reason: Data?) {
_ = (closeCode, reason)
let handler = self.lock.withLock { () -> (@Sendable (Result<
URLSessionWebSocketTask.Message,
Error,
>) -> Void)? in
self._state = .canceling
self.cancelCount += 1
defer { self.pendingReceiveHandler = nil }
return self.pendingReceiveHandler
}
handler?(Result<URLSessionWebSocketTask.Message, Error>.failure(URLError(.cancelled)))
}
func send(_ message: URLSessionWebSocketTask.Message) async throws {
let sendIndex = self.lock.withLock { () -> Int in
let current = self.sendCount
self.sendCount += 1
return current
}
if sendIndex == 0, let id = GatewayWebSocketTestSupport.connectRequestID(from: message) {
self.lock.withLock { self.connectRequestID = id }
}
try await self.sendHook?(self, message, sendIndex)
}
func receive() async throws -> URLSessionWebSocketTask.Message {
let receiveIndex = self.lock.withLock { () -> Int in
let current = self.receiveCount
self.receiveCount += 1
return current
}
if let receiveHook = self.receiveHook {
return try await receiveHook(self, receiveIndex)
}
if receiveIndex == 0 {
return .data(GatewayWebSocketTestSupport.connectChallengeData())
}
let id = self.snapshotConnectRequestID() ?? "connect"
return .data(GatewayWebSocketTestSupport.connectOkData(id: id))
}
func receive(
completionHandler: @escaping @Sendable (Result<URLSessionWebSocketTask.Message, Error>) -> Void)
{
self.lock.withLock { self.pendingReceiveHandler = completionHandler }
}
func emitReceiveSuccess(_ message: URLSessionWebSocketTask.Message) {
let handler = self.lock.withLock { self.pendingReceiveHandler }
handler?(Result<URLSessionWebSocketTask.Message, Error>.success(message))
}
func emitReceiveFailure(_ error: Error = URLError(.networkConnectionLost)) {
let handler = self.lock.withLock { self.pendingReceiveHandler }
handler?(Result<URLSessionWebSocketTask.Message, Error>.failure(error))
}
}
final class GatewayTestWebSocketSession: WebSocketSessioning, @unchecked Sendable {
typealias TaskFactory = @Sendable () -> GatewayTestWebSocketTask
private let lock = NSLock()
private let taskFactory: TaskFactory
private var tasks: [GatewayTestWebSocketTask] = []
private var makeCount = 0
init(taskFactory: @escaping TaskFactory = { GatewayTestWebSocketTask() }) {
self.taskFactory = taskFactory
}
func snapshotMakeCount() -> Int {
self.lock.withLock { self.makeCount }
}
func snapshotCancelCount() -> Int {
self.lock.withLock { self.tasks.reduce(0) { $0 + $1.snapshotCancelCount() } }
}
func latestTask() -> GatewayTestWebSocketTask? {
self.lock.withLock { self.tasks.last }
}
func makeWebSocketTask(url: URL) -> WebSocketTaskBox {
_ = url
let task = self.taskFactory()
self.lock.withLock {
self.makeCount += 1
self.tasks.append(task)
}
return WebSocketTaskBox(task: task)
}
}
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