ykpoh

import Foundation
@testable import SpaceXLaunch
import XCTest

extension XCTest {
    func givenLaunches(count: Int) -> [Launch] {
        return (1 ... count).map { i in
            return Launch(id: "id_\(i)", name: "name_\(i)", details: "details_\(i)", date_utc: Date(), upcoming: true, success: true, rocket: "rocket_\(i)")
        }
    }

ykpoh

import XCTest
@testable import SpaceXLaunch
import RxCocoa

class LaunchListViewControllerTests: XCTestCase {
    var sut: LaunchListViewController!

    override func setUpWithError() throws {
        // Put setup code here. This method is called before the invocation of each test method in the class.
        try super.setUpWithError()

ykpoh

import KeychainAccess

class KeychainHelper {
    let service = "QKLSKFNAE1.com.example.yungkien.com.shared"
    let accessGroup = "group.com.example.yungkien.com.shared"
    
    func save(_ key: String, _ value: String) throws {
        let keychain = Keychain(service: service, accessGroup: accessGroup)
        try keychain.set(value, key: key.rawValue)
    }

ykpoh

struct Provider: TimelineProvider {
    func placeholder(in context: Context) -> SimpleEntry {
        SimpleEntry(date: Date(), building: .barrack)
    }

    func getSnapshot(in context: Context, completion: @escaping (SimpleEntry) -> ()) {
        let entry = SimpleEntry(date: Date(), building: .barrack)
        completion(entry)
    }