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//
// EphemeralPeerExchangeActorTests.swift
// MullvadRustRuntimeTests
//
// Created by Marco Nikic on 2024-06-12.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
import NetworkExtension
import XCTest
@testable import MullvadMockData
@testable import MullvadRustRuntime
@testable import MullvadTypes
@testable import PacketTunnelCore
@testable import WireGuardKitTypes
class EphemeralPeerExchangeActorTests: XCTestCase {
var tunnelProvider: TunnelProviderStub!
override func setUpWithError() throws {
tunnelProvider = TunnelProviderStub()
}
func testKeyExchangeFailsWhenNegotiationCannotStart() {
let negotiationFailure = expectation(description: "Negotiation failed")
let keyExchangeActor = EphemeralPeerExchangeActor(
packetTunnel: tunnelProvider,
onFailure: {
negotiationFailure.fulfill()
},
negotiationProvider: FailedNegotiatorStub.self,
iteratorProvider: { AnyIterator { .milliseconds(10) } }
)
let privateKey = PrivateKey()
keyExchangeActor.startNegotiation(with: privateKey, enablePostQuantum: true, enableDaita: false)
wait(for: [negotiationFailure])
}
func testKeyExchangeFailsWhenTCPConnectionIsNotReadyInTime() {
let negotiationFailure = expectation(description: "Negotiation failed")
// Setup the actor to wait only 10 milliseconds before declaring the TCP connection is not ready in time.
let keyExchangeActor = EphemeralPeerExchangeActor(
packetTunnel: tunnelProvider,
onFailure: {
negotiationFailure.fulfill()
},
negotiationProvider: FailedNegotiatorStub.self,
iteratorProvider: { AnyIterator { .milliseconds(10) } }
)
let privateKey = PrivateKey()
keyExchangeActor.startNegotiation(with: privateKey, enablePostQuantum: true, enableDaita: false)
wait(for: [negotiationFailure])
}
func testResetEndsTheCurrentNegotiation() throws {
let unexpectedNegotiationFailure = expectation(description: "Unexpected negotiation failure")
unexpectedNegotiationFailure.isInverted = true
let keyExchangeActor = EphemeralPeerExchangeActor(
packetTunnel: tunnelProvider,
onFailure: {
unexpectedNegotiationFailure.fulfill()
},
negotiationProvider: SuccessfulNegotiatorStub.self,
iteratorProvider: { AnyIterator { .seconds(1) } }
)
let privateKey = PrivateKey()
keyExchangeActor.startNegotiation(with: privateKey, enablePostQuantum: true, enableDaita: false)
let negotiationProvider = try XCTUnwrap(
keyExchangeActor.negotiation?
.negotiator as? SuccessfulNegotiatorStub
)
let negotationCancelledExpectation = expectation(description: "Negotiation cancelled")
negotiationProvider.onCancelKeyNegotiation = {
negotationCancelledExpectation.fulfill()
}
keyExchangeActor.reset()
wait(for: [negotationCancelledExpectation, unexpectedNegotiationFailure], timeout: .UnitTest.invertedTimeout)
}
}
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