Signal-iOS/SignalServiceKit/tests/Messages/TestProtocolRunnerTest.swift
2019-07-16 17:45:35 -06:00

140 lines
7.4 KiB
Swift

//
// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
//
import XCTest
import SignalServiceKit
class TestProtocolRunnerTest: SSKBaseTestSwift {
var aliceClient: FakeSignalClient!
var bobClient: FakeSignalClient!
override func setUp() {
super.setUp()
aliceClient = FakeSignalClient.generate(e164Identifier: "alice")
bobClient = FakeSignalClient.generate(e164Identifier: "bob")
}
let runner = TestProtocolRunner()
func test_roundtrip() {
write { transaction in
try! self.runner.initialize(senderClient: self.aliceClient, recipientClient: self.bobClient, transaction: transaction)
let plaintext = "Those who stands for nothing will fall for anything"
let cipherMessage = try! self.runner.encrypt(plaintext: plaintext.data(using: .utf8)!,
senderClient: self.aliceClient,
recipientAccountId: self.bobClient.accountId(transaction: transaction),
protocolContext: nil)
let decrypted = try! self.runner.decrypt(cipherMessage: cipherMessage,
recipientClient: self.bobClient,
senderAccountId: self.aliceClient.accountId(transaction: transaction),
protocolContext: nil)
let decryptedText = String(data: decrypted, encoding: .utf8)!
XCTAssertEqual(plaintext, decryptedText)
}
}
func test_multiple() {
write { transaction in
try! self.runner.initialize(senderClient: self.aliceClient, recipientClient: self.bobClient, transaction: transaction)
// two encrypts
let plaintext1 = "Those who stands for nothing will fall for anything"
let cipherMessage1 = try! self.runner.encrypt(plaintext: plaintext1.data(using: .utf8)!,
senderClient: self.aliceClient,
recipientAccountId: self.bobClient.accountId(transaction: transaction),
protocolContext: nil)
let plaintext2 = "Do not despair when your enemy attacks you."
let cipherMessage2 = try! self.runner.encrypt(plaintext: plaintext2.data(using: .utf8)!,
senderClient: self.aliceClient,
recipientAccountId: self.bobClient.accountId(transaction: transaction),
protocolContext: nil)
// two decrypts
let decrypted1 = try! self.runner.decrypt(cipherMessage: cipherMessage1,
recipientClient: self.bobClient,
senderAccountId: self.aliceClient.accountId(transaction: transaction),
protocolContext: nil)
let decrypted2 = try! self.runner.decrypt(cipherMessage: cipherMessage2,
recipientClient: self.bobClient,
senderAccountId: self.aliceClient.accountId(transaction: transaction),
protocolContext: nil)
let decryptedText1 = String(data: decrypted1, encoding: .utf8)!
XCTAssertEqual(plaintext1, decryptedText1)
let decryptedText2 = String(data: decrypted2, encoding: .utf8)!
XCTAssertEqual(plaintext2, decryptedText2)
}
}
func test_outOfOrder() {
write { transaction in
try! self.runner.initialize(senderClient: self.aliceClient, recipientClient: self.bobClient, transaction: transaction)
// two encrypts
let plaintext1 = "Those who stands for nothing will fall for anything"
let cipherMessage1 = try! self.runner.encrypt(plaintext: plaintext1.data(using: .utf8)!,
senderClient: self.aliceClient,
recipientAccountId: self.bobClient.accountId(transaction: transaction),
protocolContext: nil)
let plaintext2 = "Do not despair when your enemy attacks you."
let cipherMessage2 = try! self.runner.encrypt(plaintext: plaintext2.data(using: .utf8)!,
senderClient: self.aliceClient,
recipientAccountId: self.bobClient.accountId(transaction: transaction),
protocolContext: nil)
// decrypt second message first
let decrypted2 = try! self.runner.decrypt(cipherMessage: cipherMessage2,
recipientClient: self.bobClient,
senderAccountId: self.aliceClient.accountId(transaction: transaction),
protocolContext: nil)
let decrypted1 = try! self.runner.decrypt(cipherMessage: cipherMessage1,
recipientClient: self.bobClient,
senderAccountId: self.aliceClient.accountId(transaction: transaction),
protocolContext: nil)
let decryptedText1 = String(data: decrypted1, encoding: .utf8)!
XCTAssertEqual(plaintext1, decryptedText1)
let decryptedText2 = String(data: decrypted2, encoding: .utf8)!
XCTAssertEqual(plaintext2, decryptedText2)
}
}
func test_localClient() {
SSKEnvironment.shared.identityManager.generateNewIdentityKey()
SSKEnvironment.shared.tsAccountManager.registerForTests(withLocalNumber: "+13235551234",
uuid: UUID())
let localClient = LocalSignalClient()
write { transaction in
try! self.runner.initialize(senderClient: self.bobClient,
recipientClient: localClient,
transaction: transaction)
let plaintext = "Those who stands for nothing will fall for anything"
let cipherMessage = try! self.runner.encrypt(plaintext: plaintext.data(using: .utf8)!,
senderClient: self.bobClient,
recipientAccountId: localClient.accountId(transaction: transaction),
protocolContext: transaction)
let decrypted = try! self.runner.decrypt(cipherMessage: cipherMessage,
recipientClient: localClient,
senderAccountId: self.bobClient.accountId(transaction: transaction),
protocolContext: transaction)
let decryptedText = String(data: decrypted, encoding: .utf8)!
XCTAssertEqual(plaintext, decryptedText)
}
}
}