public void can_create_an_empty_hand()
{
// Arrange
// Act
IBlackjackHand hand = new PlayerHand();
// Assert
hand.GetCards().Should().Not.Be.Null();
hand.GetCards().Count().Should().Equal(0);
}
public void can_add_a_card_to_an_empty_hand()
{
// Arrange
var card = Substitute.For<IBlackjackCard>();
IBlackjackHand hand = new PlayerHand();
// Act
hand.AddCard(card);
// Assert
hand.GetCards().Should().Not.Be.Null();
hand.GetCards().Count().Should().Equal(1);
}
public void can_add_a_second_card_to_a_hand()
{
// Arrange
var card1 = Substitute.For<IBlackjackCard>();
var card2 = Substitute.For<IBlackjackCard>();
IBlackjackHand hand = new PlayerHand();
// Act
hand.AddCard(card1);
hand.AddCard(card2);
// Assert
hand.GetCards().Should().Not.Be.Null();
hand.GetCards().Count().Should().Equal(2);
hand.GetCards().ElementAt(0).Should().Be.SameAs(card1);
hand.GetCards().ElementAt(1).Should().Be.SameAs(card2);
}
public void bet_switches_to_blackjackbet_when_hand_has_blackjack()
{
// Arrange
var handValueCalculator = Substitute.For<IHandValueCalculator>();
var card1 = Substitute.For<IAceCard>();
card1.Value.Returns(11);
var card2 = Substitute.For<IBlackjackCard>();
card2.Value.Returns(10);
var anteBet = Substitute.For<AnteBet>(10.0);
IPlayerHand hand = new PlayerHand();
handValueCalculator.Value(hand).Returns(21);
hand.HandValueCalculator = handValueCalculator;
hand.Bet = anteBet;
hand.AddCard(card1);
hand.AddCard(card2);
// Act
var bet = hand.Bet;
// Assert
bet.Should().Be.OfType<BlackjackBet>();
}
public void split_hand_marked_ineligible_for_blackjack()
{
// Arrange
var hand = new PlayerHand();
hand.EligibleForBlackjack.Should().Be.True();
hand.CreatedFromSplit = true;
hand.EligibleForBlackjack.Should().Be.True();
var card = Substitute.For<IBlackjackCard>();
// Act
hand.AddCard(card);
// Assert
hand.EligibleForBlackjack.Should().Be.False();
}
public void returns_value()
{
// Arrange
var handValueCalculator = Substitute.For<IHandValueCalculator>();
IBlackjackHand hand = new PlayerHand();
handValueCalculator.Value(hand).Returns(13);
hand.HandValueCalculator = handValueCalculator;
// Act
var hardTotal = hand.Value();
// Assert
hardTotal.Should().Equal(13);
}
public void hand_split_result_in_two_hands_of_one_card_each()
{
// Arrange
var hand = new PlayerHand();
var card1 = Substitute.For<IBlackjackCard>();
card1.Value.Returns(5);
var card2 = Substitute.For<IBlackjackCard>();
card2.Value.Returns(5);
hand.AddCard(card1);
hand.AddCard(card2);
var hand2 = new PlayerHand();
// Act
hand.SplitInto(hand2);
// Assert
hand.GetCards().Count.Should().Equal(1);
hand2.GetCards().Count.Should().Equal(1);
hand.GetCards()[0].Should().Be.SameAs(card1);
hand2.GetCards()[0].Should().Be.SameAs(card2);
}
public void hand_shows_not_busted_when_value_under_22()
{
// Arrange
var handValueCalculator = Substitute.For<IHandValueCalculator>();
IBlackjackHand hand = new PlayerHand();
handValueCalculator.Value(hand).Returns(20);
hand.HandValueCalculator = handValueCalculator;
// Act
var busted = hand.Busted;
// Assert
busted.Should().Be.False();
}
public void hand_shows_blackjack_with_initial_hand_value_of_21()
{
// Arrange
var handValueCalculator = Substitute.For<IHandValueCalculator>();
var card1 = Substitute.For<IAceCard>();
card1.Value.Returns(11);
var card2 = Substitute.For<IBlackjackCard>();
card2.Value.Returns(10);
IPlayerHand hand = new PlayerHand();
handValueCalculator.Value(hand).Returns(21);
hand.HandValueCalculator = handValueCalculator;
hand.AddCard(card1);
hand.AddCard(card2);
// Act
var hasBlackJack = hand.HasBlackjack;
// Assert
hasBlackJack.Should().Be.True();
}
public void hand_does_not_return_blackjack_for_any_cards_totaling_less_than_21()
{
// Arrange
var handValueCalculator = Substitute.For<IHandValueCalculator>();
var argHand = Substitute.For<IBlackjackHand>();
handValueCalculator.Value(argHand).ReturnsForAnyArgs(10, 19);
var card1 = Substitute.For<IBlackjackCard>();
var card2 = Substitute.For<IBlackjackCard>();
IBlackjackHand hand = new PlayerHand();
// Act
hand.AddCard(card1);
// Assert
hand.HasBlackjack.Should().Be.False();
hand.EligibleForBlackjack.Should().Be.True();
// Act
hand.AddCard(card2);
// Assert
hand.HasBlackjack.Should().Be.False();
hand.EligibleForBlackjack.Should().Be.False();
}
