106 lines
4.2 KiB
Swift
106 lines
4.2 KiB
Swift
//
|
|
// MemoTests.swift
|
|
// ZcashLightClientKit-Unit-Tests
|
|
//
|
|
// Created by Francisco Gindre on 4/23/20.
|
|
//
|
|
|
|
import XCTest
|
|
@testable import ZcashLightClientKit
|
|
|
|
// swiftlint:disable force_unwrapping print_function_usage
|
|
class MemoTests: XCTestCase {
|
|
/**
|
|
Non-utf8 memos are properly ignored
|
|
*/
|
|
func testNonUnicodeMemos() throws {
|
|
XCTAssertNil(Self.randomMemoData()!.asZcashTransactionMemo())
|
|
}
|
|
|
|
/**
|
|
Memo length is correct, padding characters are ignored
|
|
*/
|
|
func testMemoLength() throws {
|
|
XCTAssertEqual(validMemoData.count, 512)
|
|
XCTAssertEqual(validMemoData.asZcashTransactionMemo()!.count, Self.validMemoDataExpectedString.count)
|
|
}
|
|
/**
|
|
Verify support for common unicode characters
|
|
*/
|
|
func testUnicodeCharacters() throws {
|
|
let memo = validMemoData.asZcashTransactionMemo()
|
|
XCTAssertNotNil(memo)
|
|
XCTAssertEqual(memo!, Self.validMemoDataExpectedString)
|
|
}
|
|
|
|
func testEmojiUnicodeCharacters() throws {
|
|
let memo = Self.emojiMemoData.asZcashTransactionMemo()
|
|
XCTAssertNotNil(memo)
|
|
XCTAssertEqual(memo!, Self.expectedEmojiMemoString)
|
|
}
|
|
|
|
/**
|
|
Blank memos are ignored
|
|
*/
|
|
func testBlankMemos() throws {
|
|
// This is an example of a functional test case.
|
|
XCTAssertNil(emptyMemoData.asZcashTransactionMemo())
|
|
}
|
|
|
|
/**
|
|
test canonical memos
|
|
*/
|
|
func testCanonicalBlankMemos() throws {
|
|
XCTAssertNil(Self.canonicalEmptyMemo().asZcashTransactionMemo())
|
|
}
|
|
|
|
/**
|
|
*******
|
|
* mocked memos
|
|
* ******
|
|
*/
|
|
|
|
/**
|
|
Real text: "Here's gift from the Zec Fairy @ ECC!"
|
|
*/
|
|
static let validMemoDataExpectedString = "Here's gift from the Zec Fairy @ ECC!"
|
|
|
|
static let validMemoDataBase64 =
|
|
// swiftlint:disable:next line_length
|
|
"SGVyZSdzIGdpZnQgZnJvbSB0aGUgWmVjIEZhaXJ5IEAgRUNDIQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
|
|
|
|
let validMemoData = Data(base64Encoded: validMemoDataBase64)!
|
|
|
|
let emptyMemoData = Data([UInt8](repeating: 0, count: 512))
|
|
|
|
let totallyRandomDataMemo = randomMemoData()!
|
|
|
|
static let emojiDataBase64 =
|
|
// swiftlint:disable:next line_length
|
|
"8J+SlfCfkpXwn5KV8J+mk/CfppPwn6aT8J+bofCfm6Hwn5uhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
|
|
|
|
static let emojiMemoData = Data(base64Encoded: emojiDataBase64)!
|
|
|
|
static let expectedEmojiMemoString = "💕💕💕🦓🦓🦓🛡🛡🛡"
|
|
|
|
static func canonicalEmptyMemo() -> Data {
|
|
var bytes = [UInt8](repeating: 0, count: 512)
|
|
bytes[0] = UInt8(0xF6)
|
|
return Data(bytes: &bytes, count: 512)
|
|
}
|
|
|
|
static func randomMemoData() -> Data? {
|
|
let length: Int = 512
|
|
var keyData = Data(count: length)
|
|
let result = keyData.withUnsafeMutableBytes {
|
|
SecRandomCopyBytes(kSecRandomDefault, length, $0.baseAddress!)
|
|
}
|
|
if result == errSecSuccess {
|
|
return keyData
|
|
} else {
|
|
print("Problem generating random bytes")
|
|
return nil
|
|
}
|
|
}
|
|
}
|