Files
clawdbot/apps/macos/Tests/ClawdisIPCTests/MacNodeBridgeDiscoveryTests.swift
2025-12-20 03:05:06 +00:00

121 lines
4.0 KiB
Swift

import Foundation
import Network
import Testing
@testable import Clawdis
@Suite struct MacNodeBridgeDiscoveryTests {
@MainActor
@Test func loopbackBridgePortDefaultsAndOverrides() {
withEnv("CLAWDIS_BRIDGE_PORT", value: nil) {
#expect(MacNodeModeCoordinator.loopbackBridgePort() == 18790)
}
withEnv("CLAWDIS_BRIDGE_PORT", value: "19991") {
#expect(MacNodeModeCoordinator.loopbackBridgePort() == 19991)
}
withEnv("CLAWDIS_BRIDGE_PORT", value: "not-a-port") {
#expect(MacNodeModeCoordinator.loopbackBridgePort() == 18790)
}
}
@MainActor
@Test func probeEndpointSucceedsForOpenPort() async throws {
let listener = try NWListener(using: .tcp, on: .any)
listener.newConnectionHandler = { connection in
connection.cancel()
}
listener.start(queue: DispatchQueue(label: "com.steipete.clawdis.tests.bridge-listener"))
try await waitForListenerReady(listener, timeoutSeconds: 1.0)
guard let port = listener.port else {
listener.cancel()
throw TestError(message: "listener port missing")
}
let endpoint = NWEndpoint.hostPort(host: "127.0.0.1", port: port)
let ok = await MacNodeModeCoordinator.probeEndpoint(endpoint, timeoutSeconds: 0.6)
listener.cancel()
#expect(ok == true)
}
@MainActor
@Test func probeEndpointFailsForClosedPort() async throws {
let listener = try NWListener(using: .tcp, on: .any)
listener.start(queue: DispatchQueue(label: "com.steipete.clawdis.tests.bridge-listener-close"))
try await waitForListenerReady(listener, timeoutSeconds: 1.0)
let port = listener.port
listener.cancel()
try await Task.sleep(nanoseconds: 150_000_000)
guard let port else {
throw TestError(message: "listener port missing")
}
let endpoint = NWEndpoint.hostPort(host: "127.0.0.1", port: port)
let ok = await MacNodeModeCoordinator.probeEndpoint(endpoint, timeoutSeconds: 0.4)
#expect(ok == false)
}
}
private struct TestError: Error {
let message: String
}
private struct ListenerTimeoutError: Error {}
private func waitForListenerReady(_ listener: NWListener, timeoutSeconds: Double) async throws {
try await withThrowingTaskGroup(of: Void.self) { group in
group.addTask {
try await withCheckedThrowingContinuation { cont in
final class ListenerState: @unchecked Sendable {
let lock = NSLock()
var finished = false
}
let state = ListenerState()
let finish: @Sendable (Result<Void, Error>) -> Void = { result in
state.lock.lock()
defer { state.lock.unlock() }
guard !state.finished else { return }
state.finished = true
cont.resume(with: result)
}
listener.stateUpdateHandler = { state in
switch state {
case .ready:
finish(.success(()))
case .failed(let err):
finish(.failure(err))
case .cancelled:
finish(.failure(ListenerTimeoutError()))
default:
break
}
}
}
}
group.addTask {
try await Task.sleep(nanoseconds: UInt64(timeoutSeconds * 1_000_000_000))
throw ListenerTimeoutError()
}
_ = try await group.next()
group.cancelAll()
}
}
private func withEnv(_ key: String, value: String?, _ body: () -> Void) {
let existing = getenv(key).map { String(cString: $0) }
if let value {
setenv(key, value, 1)
} else {
unsetenv(key)
}
defer {
if let existing {
setenv(key, existing, 1)
} else {
unsetenv(key)
}
}
body()
}