private static void SwapFighters(ref ISuperPerson superPerson1, ref ISuperPerson superPerson2)
{
ISuperPerson temp = superPerson2;
superPerson2 = superPerson1;
superPerson1 = temp;
}
private void CoinTossSwapFighters(ref ISuperPerson superPerson1, ref ISuperPerson superPerson2)
{
if (dice.Roll() > (dice.NumberOfSides / 2))
{
SwapFighters(ref superPerson1, ref superPerson2);
}
}
public void WhenFightCalledAndDefenseFighterDoesNotDoCounterDamage_ThenNoDamageDoneToOffenseFighter()
{
// Arrange
int villianHealth = 2;
// Immortal, strong hero
var mockHero = new Mock <ISuperPerson>();
mockHero.Setup(x => x.Name).Returns("Hero");
mockHero.Setup(x => x.Health).Returns(1000);
mockHero.Setup(x => x.Strength).Returns(52);
mockHero.Setup(x => x.Speed).Returns(100);
mockHero.Setup(x => x.Resistance).Returns(100);
mockHero.Setup(x => x.Intellect).Returns(100);
mockHero.Setup(x => x.IsAlive).Returns(true);
// Weak villian, dies on 2nd hit
var mockVillian = new Mock <ISuperPerson>();
mockVillian.Setup(x => x.Name).Returns("Villian");
mockVillian.Setup(x => x.Health).Returns(() => villianHealth);
mockVillian.Setup(x => x.Strength).Returns(0);
mockVillian.Setup(x => x.Speed).Returns(0);
mockVillian.Setup(x => x.Resistance).Returns(0);
mockVillian.Setup(x => x.Intellect).Returns(0);
mockVillian.Setup(x => x.IsAlive).Returns(() => villianHealth > 0);
mockVillian.Setup(x => x.Damage(It.IsAny <int>())).Callback(() =>
{
villianHealth -= 1;
});
var mockDice = new Mock <IDice>();
// Ensure hero gets first hit
mockDice.Setup(x => x.NumberOfSides).Returns(100);
mockDice.SetupSequence(x => x.Roll())
.Returns(1) //coin toss (false)
.Returns(1) //hero gets a hit
.Returns(1) //villian failed to block
.Returns(1) //villian fails to counter-damage
.Returns(1) //villain misses
.Returns(1) //hero gets a hit
.Returns(1); //villian failed to block
IDice dice = mockDice.Object;
SlugFestFightStrategy target = new SlugFestFightStrategy(dice);
ISuperPerson hero = mockHero.Object;
ISuperPerson villian = mockVillian.Object;
// Act
target.StartFight(hero, villian);
WaitForFightCompleted(target);
// Note: Moq example of using Verify with Times.Exactly to count invocations
// Assert
mockHero.Verify(x => x.Damage(It.IsAny <int>()), Times.Never());
mockVillian.Verify(x => x.Damage(It.IsAny <int>()), Times.Exactly(2));
}
/// <summary>
/// Inserts the specified super person into the repository.
/// </summary>
/// <param name="superPerson">The super person to insert.</param>
public void Insert(ISuperPerson superPerson)
{
if (superPerson == null)
{
throw new ArgumentNullException("superPerson");
}
this.context.SuperPeople.Add((SuperPerson)superPerson);
}
/// <summary>
/// Updates the specified super person in the repository.
/// </summary>
/// <param name="superPerson">The super person to update.</param>
public void Update(ISuperPerson superPerson)
{
if (superPerson == null)
{
throw new ArgumentNullException("superPerson");
}
this.context.SetEntityStateModified((SuperPerson)superPerson);
}
/// <summary>
/// Deletes the specified super person from the repository.
/// </summary>
/// <param name="superPerson">The super person to delete.</param>
public void Delete(ISuperPerson superPerson)
{
if (superPerson == null)
{
throw new ArgumentNullException("superPerson");
}
this.context.SuperPeople.Remove((SuperPerson)superPerson);
}
public void WhenFightCalledWithCoinTossFalse_ThenPlayersFirstTurnNotSwapped()
{
// Arrange
bool isVillianAlive = true;
// Immortal, strong hero
var mockHero = new Mock <ISuperPerson>();
mockHero.Setup(x => x.Name).Returns("Hero");
mockHero.Setup(x => x.Health).Returns(1000);
mockHero.Setup(x => x.Strength).Returns(100);
mockHero.Setup(x => x.Speed).Returns(100);
mockHero.Setup(x => x.Resistance).Returns(100);
mockHero.Setup(x => x.Intellect).Returns(100);
mockHero.Setup(x => x.IsAlive).Returns(true);
// Weak villian, dies on any hit
var mockVillian = new Mock <ISuperPerson>();
mockVillian.Setup(x => x.Name).Returns("Villian");
mockVillian.Setup(x => x.Health).Returns(1);
mockVillian.Setup(x => x.Strength).Returns(0);
mockVillian.Setup(x => x.Speed).Returns(0);
mockVillian.Setup(x => x.Resistance).Returns(0);
mockVillian.Setup(x => x.Intellect).Returns(0);
mockVillian.Setup(x => x.IsAlive).Returns(() => isVillianAlive);
// Note: Moq example of using It.IsAny when we don't care about matching the value of the argument
mockVillian.Setup(x => x.Damage(It.IsAny <int>())).Callback(() => isVillianAlive = false);
var mockDice = new Mock <IDice>();
mockDice.Setup(x => x.NumberOfSides).Returns(100);
mockDice.SetupSequence(x => x.Roll())
.Returns(49) //coin toss (false)
.Returns(1) //hero hits
.Returns(1); //villian fails to block
IDice dice = mockDice.Object;
SlugFestFightStrategy target = new SlugFestFightStrategy(dice);
ISuperPerson hero = mockHero.Object;
ISuperPerson villian = mockVillian.Object;
// Act
target.StartFight(hero, villian);
WaitForFightCompleted(target);
// Note: Moq example of using Verify with It.IsAny to count mocked method invocations.
// Assert
mockHero.Verify(x => x.Damage(It.IsAny <int>()), Times.Never());
mockVillian.Verify(x => x.Damage(It.IsAny <int>()), Times.Once());
}
public void WhenFightCalled_ThenFightLogWriteLineCalled()
{
// Arrange
bool isVillianAlive = true;
// Immortal, strong hero
var mockHero = new Mock <ISuperPerson>();
mockHero.Setup(x => x.Name).Returns("Hero");
mockHero.Setup(x => x.Health).Returns(1000);
mockHero.Setup(x => x.Strength).Returns(100);
mockHero.Setup(x => x.Speed).Returns(100);
mockHero.Setup(x => x.Resistance).Returns(100);
mockHero.Setup(x => x.Intellect).Returns(100);
mockHero.Setup(x => x.IsAlive).Returns(true);
// Weak villian, dies on any hit
var mockVillian = new Mock <ISuperPerson>();
mockVillian.Setup(x => x.Name).Returns("Villian");
mockVillian.Setup(x => x.Health).Returns(1);
mockVillian.Setup(x => x.Strength).Returns(0);
mockVillian.Setup(x => x.Speed).Returns(0);
mockVillian.Setup(x => x.Resistance).Returns(0);
mockVillian.Setup(x => x.Intellect).Returns(0);
mockVillian.Setup(x => x.IsAlive).Returns(() => isVillianAlive);
mockVillian.Setup(x => x.Damage(It.IsAny <int>())).Callback(() => isVillianAlive = false);
var mockDice = new Mock <IDice>();
mockDice.Setup(x => x.NumberOfSides).Returns(100);
mockDice.SetupSequence(x => x.Roll())
.Returns(49) //coin toss (false)
.Returns(1) //hero hits
.Returns(1); //villian fails to block
var mockFightLog = new Mock <IFightLog>();
IDice dice = mockDice.Object;
SlugFestFightStrategy target = new SlugFestFightStrategy(dice);
target.FightLog = mockFightLog.Object;
ISuperPerson hero = mockHero.Object;
ISuperPerson villian = mockVillian.Object;
// Act
target.StartFight(hero, villian);
WaitForFightCompleted(target);
// Assert
mockFightLog.Verify(x => x.WriteLine(It.IsAny <string>()), Times.AtLeastOnce());
}
public void WhenFightCalledAndHitIsNotBlocked_ThenDamageEqualToStrength()
{
// Arrange
bool isVillianAlive = true;
// Immortal, strong hero
var mockHero = new Mock <ISuperPerson>();
mockHero.Setup(x => x.Name).Returns("Hero");
mockHero.Setup(x => x.Health).Returns(1000);
mockHero.Setup(x => x.Strength).Returns(52);
mockHero.Setup(x => x.Speed).Returns(100);
mockHero.Setup(x => x.Resistance).Returns(100);
mockHero.Setup(x => x.Intellect).Returns(100);
mockHero.Setup(x => x.IsAlive).Returns(true);
// Weak villian, dies on any hit
var mockVillian = new Mock <ISuperPerson>();
mockVillian.Setup(x => x.Name).Returns("Villian");
mockVillian.Setup(x => x.Health).Returns(1);
mockVillian.Setup(x => x.Strength).Returns(0);
mockVillian.Setup(x => x.Speed).Returns(0);
mockVillian.Setup(x => x.Resistance).Returns(0);
mockVillian.Setup(x => x.Intellect).Returns(0);
mockVillian.Setup(x => x.IsAlive).Returns(() => isVillianAlive);
mockVillian.Setup(x => x.Damage(It.IsAny <int>())).Callback(() => isVillianAlive = false);
var mockDice = new Mock <IDice>();
// Ensure hero gets first hit
mockDice.Setup(x => x.NumberOfSides).Returns(100);
mockDice.SetupSequence(x => x.Roll())
.Returns(1) //hero wins coin toss
.Returns(1) //hero gets a hit
.Returns(1); //villian fails to block
IDice dice = mockDice.Object;
SlugFestFightStrategy target = new SlugFestFightStrategy(dice);
ISuperPerson hero = mockHero.Object;
ISuperPerson villian = mockVillian.Object;
// Act
target.StartFight(hero, villian);
WaitForFightCompleted(target);
// Note: Moq example of using Verify with when we care that arguments match exactly.
// Assert
mockVillian.Verify(x => x.Damage(52), Times.Once());
}
public void WhenFightCalledWithCoinTossTrue_ThenPlayersFirstTurnSwapped()
{
// Arrange
bool isHeroAlive = true;
// Weak hero who dies on any damage
var mockHero = new Mock <ISuperPerson>();
mockHero.Setup(x => x.Name).Returns("Hero");
mockHero.Setup(x => x.Health).Returns(1);
mockHero.Setup(x => x.Strength).Returns(0);
mockHero.Setup(x => x.Speed).Returns(0);
mockHero.Setup(x => x.Resistance).Returns(0);
mockHero.Setup(x => x.Intellect).Returns(0);
mockHero.Setup(x => x.IsAlive).Returns(() => isHeroAlive);
mockHero.Setup(x => x.Damage(It.IsAny <int>())).Callback(() => isHeroAlive = false);
// Strong, immortal villian
var mockVillian = new Mock <ISuperPerson>();
mockVillian.Setup(x => x.Name).Returns("Villian");
mockVillian.Setup(x => x.Health).Returns(1000);
mockVillian.Setup(x => x.Strength).Returns(100);
mockVillian.Setup(x => x.Speed).Returns(100);
mockVillian.Setup(x => x.Resistance).Returns(100);
mockVillian.Setup(x => x.Intellect).Returns(100);
mockVillian.Setup(x => x.IsAlive).Returns(true);
var mockDice = new Mock <IDice>();
mockDice.Setup(x => x.NumberOfSides).Returns(100);
mockDice.SetupSequence(x => x.Roll())
.Returns(51) //coin toss (true)
.Returns(1) //villian hits
.Returns(1); //hero fails to block
IDice dice = mockDice.Object;
SlugFestFightStrategy target = new SlugFestFightStrategy(dice);
ISuperPerson hero = mockHero.Object;
ISuperPerson villian = mockVillian.Object;
// Act
target.StartFight(hero, villian);
WaitForFightCompleted(target);
// Assert
mockHero.Verify(x => x.Damage(It.IsAny <int>()), Times.Once());
mockVillian.Verify(x => x.Damage(It.IsAny <int>()), Times.Never());
}
private void TakeTurn(ISuperPerson offenseFighter, ISuperPerson defenseFighter)
{
int damage = 0;
// Determine if fighter1 gets a hit
int speed = dice.Roll();
if (speed <= offenseFighter.Speed)
{
damage = offenseFighter.Strength;
//Determine if fighter2 blocks and reduces damage by 50%
bool wasBlocked = false;
int resistance = dice.Roll();
if (resistance <= defenseFighter.Resistance)
{
damage = damage / 2;
wasBlocked = true;
}
this.DispatchDamage(defenseFighter, damage);
if (!wasBlocked)
{
this.DispatchLog(string.Format("{0} hits {1} with {2} damage.", offenseFighter.Name, defenseFighter.Name, damage));
}
else
{
this.DispatchLog(string.Format("{0} hits {1} with {2} partially blocked damage.", offenseFighter.Name, defenseFighter.Name, damage));
}
// Verify fighter2 is alive
if (defenseFighter.IsAlive)
{
// Determine if fighter2 does counterdamage of 50%
int intellect = dice.Roll();
if (intellect <= defenseFighter.Intellect)
{
int counterDamage = damage / 2;
this.DispatchDamage(offenseFighter, counterDamage);
this.DispatchLog(string.Format("{0} counters {1} with {2} damage.", defenseFighter.Name, offenseFighter.Name, counterDamage));
}
}
}
else
{
this.DispatchLog(string.Format("{0} misses {1}.", offenseFighter.Name, defenseFighter.Name));
}
}
private void RunFight(ISuperPerson hero, ISuperPerson villian)
{
this.DispatchRaiseStarted();
ISuperPerson offenseFighter = hero;
ISuperPerson defenseFighter = villian;
// Who gets the first turn is random
this.CoinTossSwapFighters(ref offenseFighter, ref defenseFighter);
// The fight is on
while (true)
{
this.DispatchLog("----------");
TakeTurn(offenseFighter, defenseFighter);
this.DispatchLog(string.Format("{0} = {1} health | {2} = {3} health.", hero.Name, hero.Health, villian.Name, villian.Health));
if ((!hero.IsAlive) || (!villian.IsAlive))
{
Debug.Assert(hero.IsAlive || villian.IsAlive);
ISuperPerson winner = hero;
ISuperPerson loser = villian;
if (villian.IsAlive)
{
SwapFighters(ref winner, ref loser);
}
this.DispatchLog(string.Format("{0} defeated {1}.", winner.Name, loser.Name));
winner.Revive();
break;
}
SwapFighters(ref offenseFighter, ref defenseFighter);
}
lock (this.syncLock)
{
this.isFightInProgress = false;
}
this.DispatchRaiseCompleted();
}
public void WhenFightCalledWithSameHero_ThenThrows()
{
// Arrange
var mockHero = new Mock <ISuperPerson>();
mockHero.Setup(x => x.IsAlive).Returns(true);
var mockDice = new Mock <IDice>();
IDice dice = mockDice.Object;
SlugFestFightStrategy target = new SlugFestFightStrategy(dice);
ISuperPerson hero = mockHero.Object;
// Act
target.StartFight(hero, hero);
// Assert
}
/// <summary>
/// Starts a fight between the specified hero and villian.
/// </summary>
/// <param name="hero">The hero.</param>
/// <param name="villian">The villian.</param>
/// <remarks>
/// This method is often asynchronous and follows the Async event pattern.
/// </remarks>
public void StartFight(ISuperPerson hero, ISuperPerson villian)
{
if (hero == null)
{
throw new ArgumentNullException("hero");
}
if (villian == null)
{
throw new ArgumentNullException("villian");
}
if (object.ReferenceEquals(hero, villian))
{
throw new ArgumentException("A hero can not fight themself.", "hero");
}
if (!hero.IsAlive)
{
throw new ArgumentException("A dead hero can not fight.", "hero");
}
if (!villian.IsAlive)
{
throw new ArgumentException("A dead villian can not fight.", "villian");
}
lock (this.syncLock)
{
if (this.isFightInProgress)
{
throw new InvalidOperationException("There is already a fight in progress.");
}
this.isFightInProgress = true;
}
var action = new Action <ISuperPerson, ISuperPerson>(this.RunFight);
action.BeginInvoke(hero, villian, null, null);
}
public void WhenFightCalled_ThenFightersTakeTurnsUntilOneDies()
{
// Arrange
int heroHealth = 4;
int villianHealth = 3;
// Hero
var mockHero = new Mock <ISuperPerson>();
mockHero.Setup(x => x.Name).Returns("Hero");
mockHero.Setup(x => x.Health).Returns(1000);
mockHero.Setup(x => x.Strength).Returns(100);
mockHero.Setup(x => x.Speed).Returns(100);
mockHero.Setup(x => x.Resistance).Returns(100);
mockHero.Setup(x => x.Intellect).Returns(100);
mockHero.Setup(x => x.IsAlive).Returns(() => heroHealth > 0);
mockHero.Setup(x => x.Damage(It.IsAny <int>())).Callback(() =>
{
heroHealth -= 1;
});
// Weak, smart, resistant villian, dies on 2nd hit
var mockVillian = new Mock <ISuperPerson>();
mockVillian.Setup(x => x.Name).Returns("Villian");
mockVillian.Setup(x => x.Health).Returns(() => villianHealth);
mockVillian.Setup(x => x.Strength).Returns(100);
mockVillian.Setup(x => x.Speed).Returns(100);
mockVillian.Setup(x => x.Resistance).Returns(100);
mockVillian.Setup(x => x.Intellect).Returns(100);
mockVillian.Setup(x => x.IsAlive).Returns(() => villianHealth > 0);
mockVillian.Setup(x => x.Damage(It.IsAny <int>())).Callback(() =>
{
villianHealth -= 1;
});
var mockDice = new Mock <IDice>();
// Ensure hero gets first hit
mockDice.Setup(x => x.NumberOfSides).Returns(100);
mockDice.SetupSequence(x => x.Roll())
.Returns(1) //coin toss (false)
// Hero = 4, Villian = 3
.Returns(1) //hero hits
.Returns(200) //villian fails to block
.Returns(200) //villian fails to do counter-damage
// Hero = 4, Villian = 2
.Returns(1) //villain hits
.Returns(200) //hero fails to block
.Returns(200) //hero fails to do counter-damage
// Hero = 3, Villian = 2
.Returns(1) //hero hits
.Returns(200) //villian fails to block
.Returns(200) //villian fails to do counter-damage
// Hero = 3, Villian = 1
.Returns(1) //villain hits
.Returns(200) //hero fails to block
.Returns(200) //hero fails to do counter-damage
// Hero = 2, Villian = 1
.Returns(1) //hero hits
.Returns(200) //villian fails to block
.Returns(200) //villian fails to do counter-damage
// Hero = 2, Villian = 0 (fight should stop here)
.Returns(1) //villain hits
.Returns(200) //hero fails to block
.Returns(200); //hero fails to do counter-damage
IDice dice = mockDice.Object;
SlugFestFightStrategy target = new SlugFestFightStrategy(dice);
ISuperPerson hero = mockHero.Object;
ISuperPerson villian = mockVillian.Object;
// Act
target.StartFight(hero, villian);
WaitForFightCompleted(target);
// Assert
mockHero.Verify(x => x.Damage(It.IsAny <int>()), Times.Exactly(2));
mockVillian.Verify(x => x.Damage(It.IsAny <int>()), Times.Exactly(3));
}
public void WhenFightCalled_ThenStartedEventRaised()
{
// Arrange
bool isVillianAlive = true;
// Immortal, strong hero
var mockHero = new Mock <ISuperPerson>();
mockHero.Setup(x => x.Name).Returns("Hero");
mockHero.Setup(x => x.Health).Returns(1000);
mockHero.Setup(x => x.Strength).Returns(100);
mockHero.Setup(x => x.Speed).Returns(100);
mockHero.Setup(x => x.Resistance).Returns(100);
mockHero.Setup(x => x.Intellect).Returns(100);
mockHero.Setup(x => x.IsAlive).Returns(true);
// Weak villian, dies on any hit
var mockVillian = new Mock <ISuperPerson>();
mockVillian.Setup(x => x.Name).Returns("Villian");
mockVillian.Setup(x => x.Health).Returns(1);
mockVillian.Setup(x => x.Strength).Returns(0);
mockVillian.Setup(x => x.Speed).Returns(0);
mockVillian.Setup(x => x.Resistance).Returns(0);
mockVillian.Setup(x => x.Intellect).Returns(0);
// Note: Moq example of using lambda's to implement logic on each request
// Note: Returns(isVillianAlive) wouldn't work here because it would always be tru
mockVillian.Setup(x => x.IsAlive).Returns(() => isVillianAlive);
// Note: Moq example of using a callback to modify test-scoped state
mockVillian.Setup(x => x.Damage(It.IsAny <int>())).Callback(() => isVillianAlive = false);
var mockDice = new Mock <IDice>();
mockDice.Setup(x => x.NumberOfSides).Returns(100);
// Note: Moq example of sequencing a set of returns (different each call)
mockDice.SetupSequence(x => x.Roll())
.Returns(49) //coin toss (false)
.Returns(1) //hero hits
.Returns(1); //villian fails to block
IDice dice = mockDice.Object;
SlugFestFightStrategy target = new SlugFestFightStrategy(dice);
ISuperPerson hero = mockHero.Object;
ISuperPerson villian = mockVillian.Object;
// Note: Example of verifying events.
bool wasStartedRaised = false;
target.Started += (s, e) =>
{
wasStartedRaised = true;
};
// Act
target.StartFight(hero, villian);
WaitForFightCompleted(target);
// Assert
Assert.IsTrue(wasStartedRaised);
}
private void DispatchDamage(ISuperPerson superPerson, int damage)
{
this.dispatcher.Invoke(new Action <ISuperPerson, int>((s, d) => { s.Damage(d); }), DispatcherPriority.Render, superPerson, damage);
}
public void WhenFightCalledWhenAFightIsAlreadyInProgress_ThenThrows()
{
// Arrange
bool isVillianAlive = true;
// Immortal, strong hero
var mockHero = new Mock <ISuperPerson>();
mockHero.Setup(x => x.Name).Returns("Hero");
mockHero.Setup(x => x.Health).Returns(1000);
mockHero.Setup(x => x.Strength).Returns(100);
mockHero.Setup(x => x.Speed).Returns(100);
mockHero.Setup(x => x.Resistance).Returns(100);
mockHero.Setup(x => x.Intellect).Returns(100);
mockHero.Setup(x => x.IsAlive).Returns(true);
// Weak villian, dies on any hit
var mockVillian = new Mock <ISuperPerson>();
mockVillian.Setup(x => x.Name).Returns("Villian");
mockVillian.Setup(x => x.Health).Returns(1);
mockVillian.Setup(x => x.Strength).Returns(0);
mockVillian.Setup(x => x.Speed).Returns(0);
mockVillian.Setup(x => x.Resistance).Returns(0);
mockVillian.Setup(x => x.Intellect).Returns(0);
mockVillian.Setup(x => x.IsAlive).Returns(() => isVillianAlive);
mockVillian.Setup(x => x.Damage(It.IsAny <int>())).Callback(() =>
{
// Note: Example of multi-threading awareness when unit testing concurrent operations.
// Note: Should not confuse unit testing with concurrency race-condition and load testing.
isVillianAlive = false;
Thread.Sleep(500); //sleep here to ensure second call gets a chance before fight completes.
});
var mockDice = new Mock <IDice>();
mockDice.Setup(x => x.NumberOfSides).Returns(100);
mockDice.SetupSequence(x => x.Roll())
.Returns(49) //coin toss (false)
.Returns(1) //hero hits
.Returns(1); //villian fails to block
IDice dice = mockDice.Object;
SlugFestFightStrategy target = new SlugFestFightStrategy(dice);
ISuperPerson hero = mockHero.Object;
ISuperPerson villian = mockVillian.Object;
// Act
target.StartFight(hero, villian);
bool secondCallThrows = false;
try
{
target.StartFight(hero, villian);
}
catch (InvalidOperationException)
{
secondCallThrows = true;
}
WaitForFightCompleted(target);
// Assert
Assert.IsTrue(secondCallThrows);
}