a.swift

import XCTest
class LoginTests: XCTestCase {
  var app: XCUIApplication!
  func testLogin() {
    continueAfterFailure = false
    app = XCUIApplication()
    app.launch()
    passLogin()
  }
}
extension LoginTests {
  func passLogin() {
    // Tap login
    app.showFacebookLoginFormButton.tap()
    wait(for: app.staticTexts["Facebook"], timeout: 5) // This requires a high timeout
     
    // There may be location permission popup when showing map
    handleLocationPermission()    
    if app.isAlreadyLoggedInSafari {
      app.okButton.tap()
      // Show map
      let map = app.maps.element(boundBy: 0)
      wait(for: map, timeout: 2)
      XCTAssertTrue(map.exists)
      // Need to interact with the app for interruption monitor to work
      app.tap()
    } else {
      // Choose norsk
     wait(for: app.norwegianText, timeout: 1)
      app.norwegianText.tap()
      app.emailTextField.tap()
      app.emailTextField.deleteAllText()
      app.emailTextField.typeText("[email protected]")
      app.passwordCoordinate.tap()
      app.typeText("Bob Alageaiecghfb Sharpeman")
      // login
      app.facebookLoginButton.tap()
      // press OK
      app.okButton.tap()
      // Show map
      let map = app.maps.element(boundBy: 0)
      wait(for: map, timeout: 2)
      XCTAssertTrue(map.exists)
      // Need to interact with the app for interruption monitor to work
      app.tap()
    }
  }
  fileprivate func handleLocationPermission() {
    addUIInterruptionMonitor(withDescription: "Location permission", handler: { alert in
      alert.buttons.element(boundBy: 1).tap()
      return true
    })
  }
}
fileprivate extension XCUIApplication {
  var showFacebookLoginFormButton: XCUIElement {
    return buttons["Continue with Facebook"]
  }
  var isAlreadyLoggedInSafari: Bool {
    return buttons["OK"].exists || staticTexts["Du har allerede godkjent Blue Sea."].exists
  }
  var okButton: XCUIElement {
    return buttons["OK"]
  }
  var norwegianText: XCUIElement {
    return staticTexts["Norsk (bokmål)"]
  }
  var emailTextField: XCUIElement {
    let predicate = NSPredicate(format: "placeholderValue == %@", "E-post eller mobil")
    return textFields.element(matching: predicate)
  }
  var passwordCoordinate: XCUICoordinate {
    let vector = CGVector(dx: 1, dy: 1.5)
    return emailTextField.coordinate(withNormalizedOffset: vector)
  }
  var facebookLoginButton: XCUIElement {
    return buttons["Logg inn"]
  }
}
extension XCTestCase {
  func wait(for duration: TimeInterval) {
    let waitExpectation = expectation(description: "Waiting")
    let when = DispatchTime.now() + duration
    DispatchQueue.main.asyncAfter(deadline: when) {
      waitExpectation.fulfill()
    }
    // We use a buffer here to avoid flakiness with Timer on CI
    waitForExpectations(timeout: duration + 0.5)
  }
  /// Wait for element to appear
  func wait(for element: XCUIElement, timeout duration: TimeInterval) {
    let predicate = NSPredicate(format: "exists == true")
    let _ = expectation(for: predicate, evaluatedWith: element, handler: nil)
    // We use a buffer here to avoid flakiness with Timer on CI
    waitForExpectations(timeout: duration + 0.5)
  }
}
extension XCUIApplication {
  // Because of "Use cached accessibility hierarchy"
  func clearCachedStaticTexts() {
    let _ = staticTexts.count
  }
  func clearCachedTextFields() {
    let _ = textFields.count
  }
  func clearCachedTextViews() {
    let _ = textViews.count
  }
}
extension XCUIElement {
  func deleteAllText() {
    guard let string = value as? String else {
      return
    }
    let lowerRightCorner = coordinate(withNormalizedOffset: CGVector(dx: 0.9, dy: 0.9))
    lowerRightCorner.tap()
    let deletes = string.characters.map({ _ in XCUIKeyboardKeyDelete }).joined(separator: "")
    typeText(deletes)
  }
}