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How to use viewWillAppear method of CancellingWKWebViewNavigationDelegate class

Best Swift-snapshot-testing code snippet using CancellingWKWebViewNavigationDelegate.viewWillAppear

SnapshotTestingTests.swift

Source:SnapshotTestingTests.swift

...748  func testUIViewControllerLifeCycle() {749    #if os(iOS)750    class ViewController: UIViewController {751      let viewDidLoadExpectation: XCTestExpectation752      let viewWillAppearExpectation: XCTestExpectation753      let viewDidAppearExpectation: XCTestExpectation754      let viewWillDisappearExpectation: XCTestExpectation755      let viewDidDisappearExpectation: XCTestExpectation756      init(viewDidLoadExpectation: XCTestExpectation,757           viewWillAppearExpectation: XCTestExpectation,758           viewDidAppearExpectation: XCTestExpectation,759           viewWillDisappearExpectation: XCTestExpectation,760           viewDidDisappearExpectation: XCTestExpectation){761        self.viewDidLoadExpectation = viewDidLoadExpectation762        self.viewWillAppearExpectation = viewWillAppearExpectation763        self.viewDidAppearExpectation = viewDidAppearExpectation764        self.viewWillDisappearExpectation = viewWillDisappearExpectation765        self.viewDidDisappearExpectation = viewDidDisappearExpectation766        super.init(nibName: nil, bundle: nil)767      }768      required init?(coder: NSCoder) {769        fatalError("init(coder:) has not been implemented")770      }771      override func viewDidLoad() {772        super.viewDidLoad()773        viewDidLoadExpectation.fulfill()774      }775      override func viewWillAppear(_ animated: Bool) {776        super.viewWillAppear(animated)777        viewWillAppearExpectation.fulfill()778      }779      override func viewDidAppear(_ animated: Bool) {780        super.viewDidAppear(animated)781        viewDidAppearExpectation.fulfill()782      }783      override func viewWillDisappear(_ animated: Bool) {784        super.viewWillDisappear(animated)785        viewWillDisappearExpectation.fulfill()786      }787      override func viewDidDisappear(_ animated: Bool) {788        super.viewDidDisappear(animated)789        viewDidDisappearExpectation.fulfill()790      }791    }792    let viewDidLoadExpectation = expectation(description: "viewDidLoad")793    let viewWillAppearExpectation = expectation(description: "viewWillAppear")794    let viewDidAppearExpectation = expectation(description: "viewDidAppear")795    let viewWillDisappearExpectation = expectation(description: "viewWillDisappear")796    let viewDidDisappearExpectation = expectation(description: "viewDidDisappear")797    viewWillAppearExpectation.expectedFulfillmentCount = 4798    viewDidAppearExpectation.expectedFulfillmentCount = 4799    viewWillDisappearExpectation.expectedFulfillmentCount = 4800    viewDidDisappearExpectation.expectedFulfillmentCount = 4801    let viewController = ViewController(802      viewDidLoadExpectation: viewDidLoadExpectation,803      viewWillAppearExpectation: viewWillAppearExpectation,804      viewDidAppearExpectation: viewDidAppearExpectation,805      viewWillDisappearExpectation: viewWillDisappearExpectation,806      viewDidDisappearExpectation: viewDidDisappearExpectation807    )808    assertSnapshot(matching: viewController, as: .image)809    assertSnapshot(matching: viewController, as: .image)810    wait(for: [811      viewDidLoadExpectation,812      viewWillAppearExpectation,813      viewDidAppearExpectation,814      viewWillDisappearExpectation,815      viewDidDisappearExpectation,816    ], timeout: 1.0, enforceOrder: true)817    #endif818  }819  func testCALayer() {820    #if os(iOS)821    let layer = CALayer()822    layer.frame = CGRect(x: 0, y: 0, width: 100, height: 100)823    layer.backgroundColor = UIColor.red.cgColor824    layer.borderWidth = 4.0825    layer.borderColor = UIColor.black.cgColor826    assertSnapshot(matching: layer, as: .image)...

SnapshotKitTests.swift

Source:SnapshotKitTests.swift

...426    }427    func testUIViewControllerLifeCycle() {428        class ViewController: UIViewController {429            let viewDidLoadExpectation: XCTestExpectation430            let viewWillAppearExpectation: XCTestExpectation431            let viewDidAppearExpectation: XCTestExpectation432            let viewWillDisappearExpectation: XCTestExpectation433            let viewDidDisappearExpectation: XCTestExpectation434            init(435                viewDidLoadExpectation: XCTestExpectation,436                viewWillAppearExpectation: XCTestExpectation,437                viewDidAppearExpectation: XCTestExpectation,438                viewWillDisappearExpectation: XCTestExpectation,439                viewDidDisappearExpectation: XCTestExpectation440            ) {441                self.viewDidLoadExpectation = viewDidLoadExpectation442                self.viewWillAppearExpectation = viewWillAppearExpectation443                self.viewDidAppearExpectation = viewDidAppearExpectation444                self.viewWillDisappearExpectation = viewWillDisappearExpectation445                self.viewDidDisappearExpectation = viewDidDisappearExpectation446                super.init(nibName: nil, bundle: nil)447            }448            @available(*, unavailable)449            required init?(coder _: NSCoder) {450                fatalError("init(coder:) has not been implemented")451            }452            override func viewDidLoad() {453                super.viewDidLoad()454                viewDidLoadExpectation.fulfill()455            }456            override func viewWillAppear(_ animated: Bool) {457                super.viewWillAppear(animated)458                viewWillAppearExpectation.fulfill()459            }460            override func viewDidAppear(_ animated: Bool) {461                super.viewDidAppear(animated)462                viewDidAppearExpectation.fulfill()463            }464            override func viewWillDisappear(_ animated: Bool) {465                super.viewWillDisappear(animated)466                viewWillDisappearExpectation.fulfill()467            }468            override func viewDidDisappear(_ animated: Bool) {469                super.viewDidDisappear(animated)470                viewDidDisappearExpectation.fulfill()471            }472        }473        let viewDidLoadExpectation = expectation(description: "viewDidLoad")474        let viewWillAppearExpectation = expectation(description: "viewWillAppear")475        let viewDidAppearExpectation = expectation(description: "viewDidAppear")476        let viewWillDisappearExpectation = expectation(description: "viewWillDisappear")477        let viewDidDisappearExpectation = expectation(description: "viewDidDisappear")478        viewWillAppearExpectation.expectedFulfillmentCount = 2479        viewDidAppearExpectation.expectedFulfillmentCount = 2480        viewWillDisappearExpectation.expectedFulfillmentCount = 2481        viewDidDisappearExpectation.expectedFulfillmentCount = 2482        let viewController = ViewController(483            viewDidLoadExpectation: viewDidLoadExpectation,484            viewWillAppearExpectation: viewWillAppearExpectation,485            viewDidAppearExpectation: viewDidAppearExpectation,486            viewWillDisappearExpectation: viewWillDisappearExpectation,487            viewDidDisappearExpectation: viewDidDisappearExpectation488        )489        assertSnapshot(matching: viewController, as: .image)490        assertSnapshot(matching: viewController, as: .image)491        wait(492            for: [493                viewDidLoadExpectation,494                viewWillAppearExpectation,495                viewDidAppearExpectation,496                viewWillDisappearExpectation,497                viewDidDisappearExpectation498            ],499            timeout: 1,500            enforceOrder: true501        )502    }503    func testCALayer() {504        let layer = CALayer()505        layer.frame = CGRect(x: 0, y: 0, width: 100, height: 100)506        layer.backgroundColor = UIColor.red.cgColor507        layer.borderWidth = 4.0508        layer.borderColor = UIColor.black.cgColor...

viewWillAppear

Using AI Code Generation

1import UIKit2import WebKit3class ViewController: UIViewController, WKNavigationDelegate {4    override func loadView() {5        webView = WKWebView()6        webView.navigationDelegate = CancellingWKWebViewNavigationDelegate()7    }8    override func viewDidLoad() {9        super.viewDidLoad()10        webView.load(URLRequest(url: url))11    }12}13class CancellingWKWebViewNavigationDelegate: NSObject, WKNavigationDelegate {14    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {15        if url?.host == "www.hackingwithswift.com" {16            decisionHandler(.allow)17        } else {18            decisionHandler(.cancel)19        }20    }21}22import UIKit23import WebKit24class ViewController: UIViewController, WKNavigationDelegate {25    override func loadView() {26        webView = WKWebView()27    }28    override func viewDidLoad() {29        super.viewDidLoad()30        webView.load(URLRequest(url: url))31    }32    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {33        if url?.host == "www.hackingwithswift.com" {34            decisionHandler(.allow)35        } else {36            decisionHandler(.cancel)37        }38    }39}40import UIKit41import WebKit42class ViewController: UIViewController, WKNavigationDelegate {43    override func loadView() {44        webView = WKWebView()45    }46    override func viewDidLoad() {47        super.viewDidLoad()48        webView.load(URLRequest(url: url))49    }50    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction,

viewWillAppear

Using AI Code Generation

1override func viewWillAppear(_ animated: Bool) {2        super.viewWillAppear(animated)3        self.navigationController?.setNavigationBarHidden(true, animated: animated)4        self.navigationController?.navigationBar.setBackgroundImage(UIImage(), for: .default)5        self.navigationController?.navigationBar.shadowImage = UIImage()6    }7    override func viewWillDisappear(_ animated: Bool) {8        super.viewWillDisappear(animated)9        self.navigationController?.setNavigationBarHidden(false, animated: animated)10        self.navigationController?.navigationBar.setBackgroundImage(nil, for: .default)11    }12    override func viewDidLoad() {13        super.viewDidLoad()14        self.navigationController?.setNavigationBarHidden(true, animated: false)15        self.navigationController?.navigationBar.setBackgroundImage(UIImage(), for: .default)16        self.navigationController?.navigationBar.shadowImage = UIImage()17        self.navigationController?.setNavigationBarHidden(true, animated: false)18        self.navigationController?.navigationBar.setBackgroundImage(UIImage(), for:

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