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@testable import NetworkingEvolution | |
import SwiftyJSON | |
import XCTest | |
class ViewControllerTests: XCTestCase { | |
var viewController: ViewController! | |
override func setUp() | |
{ | |
super.setUp() | |
viewController = ViewController() | |
} | |
} | |
// MARK: Tests | |
extension ViewControllerTests { | |
func test_successNetworkResponse_showsUsername() | |
{ | |
viewController.networkClient = MockSuccessNetworkClient() | |
viewController.loadViewIfNeeded() | |
XCTAssertEqual(viewController.label.text, "Username: feighter09") | |
} | |
func test_failureNetworkResponse_showsErrorMessage() | |
{ | |
viewController.networkClient = MockFailureNetworkClient() | |
viewController.loadViewIfNeeded() | |
XCTAssertEqual(viewController.label.text, "Request failed") | |
} | |
} | |
// MARK: - Mocks | |
private struct MockSuccessNetworkClient: NetworkClientType { | |
func makeRequest<Response: JSONDecodable>(url: String, | |
params: [String : AnyObject], | |
callback: (Response?, ErrorType?) -> Void) | |
{ | |
let user = User(name: "feighter09") | |
callback(user as! Response, nil) | |
} | |
} | |
private struct MockFailureNetworkClient: NetworkClientType { | |
func makeRequest<Response: JSONDecodable>(url: String, | |
params: [String : AnyObject], | |
callback: (Response?, ErrorType?) -> Void) | |
{ | |
callback(nil, NSError(domain: "", code: -1, userInfo: nil)) | |
} | |
} |
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