| 1 | #if os(macOS) |
| 2 | import CoreAudio |
| 3 | import LiveKitWebRTC |
| 4 | import XCTest |
| 5 | @testable import CallsKit |
| 6 | |
| 7 | /// Paul's first-launch report, reproduced without a Scarlett: a public |
| 8 | /// aggregate device stands in for an interface that is connected but is |
| 9 | /// not the system default, and is remembered as the microphone. Opt-in |
| 10 | /// (CALLS_AUDIO_REPRO=1) because it adds a device to the Mac for the |
| 11 | /// length of the test. |
| 12 | final class ScarlettReproTests: XCTestCase { |
| 13 | @MainActor func testARememberedNonDefaultInterfaceIsUsedAtFirstLaunch() throws { |
| 14 | guard ProcessInfo.processInfo.environment["CALLS_AUDIO_REPRO"] == "1" else { |
| 15 | throw XCTSkip("set CALLS_AUDIO_REPRO=1 to add a stand-in interface to this Mac") |
| 16 | } |
| 17 | let inventory = CoreAudioDevices.inventory() |
| 18 | guard let mic = inventory.defaultInput, let speaker = inventory.defaultOutput else { |
| 19 | throw XCTSkip("no default devices") |
| 20 | } |
| 21 | let uid = "net.amadan.oficina.calls.repro.\(UUID().uuidString)" |
| 22 | let description: [String: Any] = [ |
| 23 | kAudioAggregateDeviceNameKey: "Stand-in Scarlett", kAudioAggregateDeviceUIDKey: uid, |
| 24 | kAudioAggregateDeviceMainSubDeviceKey: speaker, |
| 25 | kAudioAggregateDeviceSubDeviceListKey: [ |
| 26 | [kAudioSubDeviceUIDKey: mic, kAudioSubDeviceDriftCompensationKey: 1], [kAudioSubDeviceUIDKey: speaker], |
| 27 | ], |
| 28 | ] |
| 29 | var device = AudioDeviceID(0) |
| 30 | XCTAssertEqual(AudioHardwareCreateAggregateDevice(description as CFDictionary, &device), noErr) |
| 31 | defer { AudioHardwareDestroyAggregateDevice(device) } |
| 32 | RunLoop.main.run(until: Date().addingTimeInterval(0.5)) |
| 33 | |
| 34 | let suite = "calls-repro-\(UUID().uuidString)" |
| 35 | let store = UserDefaults(suiteName: suite)! |
| 36 | defer { store.removePersistentDomain(forName: suite) } |
| 37 | store.set(uid, forKey: "audioInputUID") |
| 38 | store.set("Stand-in Scarlett", forKey: "audioInputName") |
| 39 | |
| 40 | let routes = AudioRoutes(defaults: store) |
| 41 | let audio = CallAudio(routes: routes, audioDevice: nil) |
| 42 | print("REPRO at launch: input \(routes.currentInput ?? "nil"), note \"\(routes.routeNote)\"") |
| 43 | XCTAssertEqual(routes.currentInput, uid, "the remembered interface at launch") |
| 44 | XCTAssertEqual(routes.routeNote, "") |
| 45 | |
| 46 | let pc = audio.factory.peerConnection( |
| 47 | with: RTCConfiguration(), |
| 48 | constraints: RTCMediaConstraints(mandatoryConstraints: nil, optionalConstraints: nil), delegate: nil) |
| 49 | defer { pc?.close() } |
| 50 | let listed = audio.factory.audioDeviceModule.inputDevices.map(\.deviceId) |
| 51 | print("REPRO engine module inputs after the first connection: \(listed)") |
| 52 | routes.refresh() |
| 53 | XCTAssertEqual(routes.currentInput, uid, "and after the first connection") |
| 54 | XCTAssertEqual(routes.routeNote, "") |
| 55 | } |
| 56 | } |
| 57 | #endif |
| 58 | |