DhavalDobariya86

protocol Coordinator: class {
    var childCoordinators: [Coordinator]? { get set }
    
    func start() -> UIViewController
    
    var finished: (() -> Void)? { get set }
}

DhavalDobariya86

import Foundation

/// This protocol defines basic responsibility for `ViewModel`
protocol ViewModel {
    /// This method is called when `ViewModel` updates itself with `new` data
    var didUpdate: (() -> Void)? { get set }
    
    /// This method is called when `ViewModel` changes its state
    /// - isLoading: Loading state of ViewModel
    /// - loadingMessage: Loading messages to display while ViewModel is loading

DhavalDobariya86

import XCTest
@testable import MVVMCDemo

class CountryListCoordinatorTests: XCTestCase {

    private let sut = CountryListCoordinator(requestManager: LocalRequestManager())
    
    func testStart() {
        XCTAssertTrue(sut.start() is CountryListViewController)
    }

DhavalDobariya86

import XCTest
@testable import MVVMCDemo

class CountryListViewModelTests: XCTestCase {

    func testEndpoint() {
        let requestManager = LocalRequestManager()
        let sut = CountryListViewModel(requestManager: requestManager)
        sut.searchFor(keyword: "test")
        

DhavalDobariya86

import Foundation
import UIKit

final class CountryListCoordinator: Coordinator {
    
    private enum LocalizedStrings {
        static let okTitle = "Ok"
        static let errorTitle = "Error"
        static let errorMessage = "Could not search country for the keyword."
    }

DhavalDobariya86

import Foundation
import UIKit

typealias CountryListViewModelProtocol = CountryListDatasource & ViewModel & Searchable

protocol CountryListDatasource {
    var screenTitle: String { get }
    var numberOfSections: Int { get }
    func numberOfRows(in section: Int) -> Int
    func itemForRow(at indexPath: IndexPath) -> CountryListItemRepresentable

DhavalDobariya86

import Foundation

private struct CountryListEndpoint: EndpointReprsentable {
    
    var httpMethod: HTTPMethod { .get }
    var urlPath: URLPath { .name }
    let pathComponent: String?
    
}

DhavalDobariya86

import Foundation

struct Country: Codable, Equatable, CountryListItemRepresentable, CountryDetailRepresentable {
    
    let name: String
    let capital: String
    let region: String
    let subregion: String
    let timezones: [String]
    let borders: [String]

DhavalDobariya86

import UIKit

struct Employee: Decodable {
    let name: String
    let city: String
    
    enum CodingKeys: String, CodingKey {
        case name
        case city
        case contactInformation

DhavalDobariya86

import UIKit

struct Employee: Codable {
    let name: String
    let phoneNumber: String?
}

let jsonDataWithPhoneNumber: Data = """
{
    "name": "Eric",