133 lines
4.9 KiB
Swift
133 lines
4.9 KiB
Swift
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import XCTest
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import WebRTC
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@testable import Signal
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/**
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* Playing the role of the call service.
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*/
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class FakePeerConnectionClientDelegate: PeerConnectionClientDelegate {
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enum ConnectionState {
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case connected, disconnected, failed
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}
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var connectionState: ConnectionState?
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var localIceCandidates = [RTCIceCandidate]()
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var dataChannelMessages = [WebRTCProtoData]()
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func peerConnectionClientIceConnected(_ peerconnectionClient: PeerConnectionClient) {
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connectionState = .connected
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}
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func peerConnectionClientIceDisconnected(_ peerconnectionClient: PeerConnectionClient) {
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connectionState = .disconnected
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}
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func peerConnectionClientIceFailed(_ peerconnectionClient: PeerConnectionClient) {
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connectionState = .failed
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}
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func peerConnectionClient(_ peerconnectionClient: PeerConnectionClient, addedLocalIceCandidate iceCandidate: RTCIceCandidate) {
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localIceCandidates.append(iceCandidate)
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}
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func peerConnectionClient(_ peerconnectionClient: PeerConnectionClient, received dataChannelMessage: WebRTCProtoData) {
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dataChannelMessages.append(dataChannelMessage)
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}
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func peerConnectionClient(_ peerconnectionClient: PeerConnectionClient, didUpdateLocalVideoCaptureSession captureSession: AVCaptureSession?) {
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}
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func peerConnectionClient(_ peerconnectionClient: PeerConnectionClient, didUpdateRemoteVideoTrack videoTrack: RTCVideoTrack?) {
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}
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}
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class PeerConnectionClientTest: XCTestCase {
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var client: PeerConnectionClient!
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var clientDelegate: FakePeerConnectionClientDelegate!
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var peerConnection: RTCPeerConnection!
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var dataChannel: RTCDataChannel!
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override func setUp() {
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super.setUp()
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let iceServers = [RTCIceServer]()
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clientDelegate = FakePeerConnectionClientDelegate()
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client = PeerConnectionClient(iceServers: iceServers, delegate: clientDelegate, callDirection: .outgoing, useTurnOnly: false)
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peerConnection = client.peerConnectionForTests()
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dataChannel = client.dataChannelForTests()
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}
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override func tearDown() {
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client.terminate()
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super.tearDown()
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}
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func testIceConnectionStateChange() {
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XCTAssertNil(clientDelegate.connectionState)
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client.peerConnection(peerConnection, didChange: RTCIceConnectionState.connected)
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waitForPeerConnectionClient()
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XCTAssertEqual(FakePeerConnectionClientDelegate.ConnectionState.connected, clientDelegate.connectionState)
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client.peerConnection(peerConnection, didChange: RTCIceConnectionState.completed)
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waitForPeerConnectionClient()
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XCTAssertEqual(FakePeerConnectionClientDelegate.ConnectionState.connected, clientDelegate.connectionState)
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client.peerConnection(peerConnection, didChange: RTCIceConnectionState.failed)
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waitForPeerConnectionClient()
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XCTAssertEqual(FakePeerConnectionClientDelegate.ConnectionState.failed, clientDelegate.connectionState)
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}
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func testIceCandidateAdded() {
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XCTAssertEqual(0, clientDelegate.localIceCandidates.count)
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let candidate1 = RTCIceCandidate(sdp: "sdp-1", sdpMLineIndex: 0, sdpMid: "sdpMid-1")
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let candidate2 = RTCIceCandidate(sdp: "sdp-2", sdpMLineIndex: 0, sdpMid: "sdpMid-2")
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let candidate3 = RTCIceCandidate(sdp: "sdp-3", sdpMLineIndex: 0, sdpMid: "sdpMid-3")
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client.peerConnection(peerConnection, didGenerate: candidate1)
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client.peerConnection(peerConnection, didGenerate: candidate2)
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client.peerConnection(peerConnection, didGenerate: candidate3)
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waitForPeerConnectionClient()
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XCTAssertEqual(3, clientDelegate.localIceCandidates.count)
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}
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func waitForPeerConnectionClient() {
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// PeerConnectionClient processes RTCPeerConnectionDelegate invocations first on the signaling queue...
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client.flushSignalingQueueForTests()
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// ...then on the main queue.
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let expectation = self.expectation(description: "Wait for PeerConnectionClient to call delegate method on main queue")
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DispatchQueue.main.async {
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expectation.fulfill()
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}
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self.waitForExpectations(timeout: 1.0, handler: nil)
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}
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func testDataChannelMessage() {
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XCTAssertEqual(0, clientDelegate.dataChannelMessages.count)
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let hangup = DataChannelMessage.forHangup(callId: 123)
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let hangupBuffer = RTCDataBuffer(data: hangup.asData(), isBinary: false)
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client.dataChannel(dataChannel, didReceiveMessageWith: hangupBuffer)
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waitForPeerConnectionClient()
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XCTAssertEqual(1, clientDelegate.dataChannelMessages.count)
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let dataChannelMessageProto = clientDelegate.dataChannelMessages[0]
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XCTAssert(dataChannelMessageProto.hasHangup())
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let hangupProto = dataChannelMessageProto.hangup!
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XCTAssertEqual(123, hangupProto.id)
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}
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}
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