ChrisMash

delegate = ADelegate()
sut = UnitBeingTested(delegate)
sut.aFunctionCall()
verify(delegate)
    .callMadeTo(functionOnDelegate)
    .withParameter("1234")

ChrisMash

delegate = ADelegate()
sut = UnitBeingTested(delegate)
sut.aFunctionCall()
verify(delegate)
    .callMadeTo(functionOnDelegate)
    .withParameter(anything())

ChrisMash

//
//  Created by Chris Mash on 10/02/2022.
//

import UIKit
import ProvisioningProfile
import FirebaseDatabase

// NOTE: this gist uses some personal extensions I've written which aren't shared here but you should be able to swap out easily enough:
// Bundle.main.appVersion

ChrisMash

struct ContentView: View {
    
    private var gameState = GameState()
    @Namespace private var animation
    
    var body: some View {
        VStack {
            // Some simple instructions
            Text("""
                Tap a + button to add a card from the deck to the relevant hand.

ChrisMash

struct DeckView: View {
    
    @ObservedObject var deck: Hand
    let namespace: Namespace.ID
    
    var body: some View {
        ZStack {
            // Just need to draw the last two so that the transition of card
            // from the hand back to the deck results in the old top card being
            // rendered as the new top card animates in

ChrisMash

// A view to represent the cards in a hand
struct HandView: View {
    
    @ObservedObject var hand: Hand
    let namespace: Namespace.ID
    let onCardTap: (Card) -> Void
    
    var body: some View {
        HStack {
            ForEach(hand.cards) { card in

ChrisMash

struct CardView_Previews: PreviewProvider {
    // Create a wrapper view that will let us hold a @Namespace to pass to the view
    struct Wrapper: View {
        @Namespace var animation
        var body: some View {
            CardView(card: Card(number: 1), namespace: animation)
                .padding()
                .background(Color.gray)
        }
    }

ChrisMash

// A view to represent a single card
struct CardView: View {
    
    let card: Card
    let namespace: Namespace.ID
    
    var body: some View {
        ZStack {
            RoundedRectangle(cornerRadius: 20,
                             style: .continuous)

ChrisMash

// A representation of the current state of the game,
// including which cards each player has and the deck
// of cards that can be picked up from
class GameState {
    
    private(set) var deck = Hand()
    private(set) var hands = [Hand]()
    
    init() {
        // Fill the deck with 20 cards, shuffled

ChrisMash

// A representation of a playing card
struct Card: Identifiable, Equatable {
    let id = UUID()
    let number: Int
}

// A representation of a player's hand of cards
class Hand: ObservableObject, Identifiable {
    let id = UUID()
    @Published var cards = [Card]()