Kdan

class Mock<T: RawRepresentable> where T.RawValue == FunctionName {
    let log = FunctionLogger<T>()
    
    /// Retrieve the potential calls for a given function name.
    /// - Parameters:
    ///     - name: The name of the function to retrieve calls for.
    /// - Returns: The optional `FunctionCall` for the name provided.
    func calls(with name: T) -> FunctionCall? { log[name] }

    /// Log a function call with the given name and parameters.

Kdan

class FunctionCall: Hashable {
    /// The name of the function
    let name: FunctionName
    /// The number of calls for the function.
    var numberOfCalls: Int { calls.count }
    /// The parameters sent to the function.
    private(set) var calls = [Any?]()

    init(name: FunctionName) {
        self.name = name

Kdan

// When `b` returns true, `hasAnswer` should be true.
func testCheckAnswerTrue() {
  b.validateAnswerResponse = true
  a.checkAnswer()
  XCTAssertTrue(a.hasAnswer)
}

Kdan

/// A Bool indicating if the class has received any function calls.
var hasReceivedCalls: Bool { get }

/// Retrieve the potential calls for a given function name.
/// - Parameters:
///     - name: The name of the function to retrieve calls for.
/// - Returns: The optional `FunctionCall` for the name provided.
func calls(with name: FunctionName) -> FunctionCall?

/// Log a function call with the given name and parameters.

Kdan

XCTAssertTrue(self.router.hasReceivedCalls)
XCTAssertFalse(self.reviewMock.hasReceivedCalls)

let call = self.router.calls(with: RouterMock.AlertRouterTypeFunctions.presentAlert)
XCTAssertNotNil(call)
XCTAssertEqual(call?.calls, 1)
XCTAssertEqual(call?.parameters[0] as? String, NSLocalizedString("fw_promo_mysound_hdr", comment: ""))
XCTAssertEqual(call?.parameters[1] as? String, "Update Jabra Elite 45h to get you started with MySound.")
XCTAssertEqual((call?.parameters[2] as? AlertAction)?.title, NSLocalizedString("jabra_support_fwpop_btn_later", comment: ""))
XCTAssertEqual((call?.parameters[3] as? AlertAction)?.title, NSLocalizedString("update_now", comment: ""))

Kdan

func presentAlert(title: String? = nil, message: String? = nil, cancelAction: AlertAction? = nil, okAction: AlertAction? = nil) {
    router.presentAlert(title: title, message: message, cancelAction: cancelAction, okAction: okAction, from: router.topViewController)
}

Kdan

class A {
    /// A `Bool` indicating if we have the answer to the universe.
    private(set) var hasAnswer = false
    /// The instance of `BType` we are using to check if we have the answer.
    private let b: BType
    
    init(b: BType) {
        self.b = b
    }

Kdan

protocol BType {
    /// Validates the answer.
    func validateAnswer() -> Bool
}

protocol CType {
    /// The answer to the universe.
    var number: Int { get }
}

Kdan

let a = A()
a.b = B()
a.checkAnswer()

Kdan

class A {
    /// The instance of B we are using to check if we have the answer.
    var b: B?
    /// A `Bool` indicating if we have the answer to the universe.
    private(set) var hasAnswer = false

    /// Checks if we have the answer to the universe and updates the `hasAnswer` property.
    func checkAnswer() {
        hasAnswer = b?.validateAnswer() ?? false
    }