public void SetupRandomBattle_OnlyOneHero_ShouldThrowInvalidOperationException()
{
var battleServiceBuilder = new BattleServiceBuilder().WithHeroes(1);
IBattleService service = battleServiceBuilder.Build();
Assert.That(() => service.SetupRandomBattle(), Throws.InvalidOperationException);
}
private static (int, int) AssertRandomBattleSetup(int amountOfHeroes)
{
//Arrange
int index1 = -1, index2 = -1;
var battleServiceBuilder = new BattleServiceBuilder().WithHeroes(amountOfHeroes);
IBattle createdBattle = null;
battleServiceBuilder.BattleFactoryMock
.Setup(factory => factory.CreateNewBattle(It.IsAny <IHero>(), It.IsAny <IHero>()))
.Callback((IHero fighter1, IHero fighter2) =>
{
index1 = battleServiceBuilder.AllHeroes.ToList().IndexOf(fighter1);
index2 = battleServiceBuilder.AllHeroes.ToList().IndexOf(fighter2);
Assert.That(index1, Is.GreaterThanOrEqualTo(0),
"You must use a hero from the repository to create the battle using the factory.");
Assert.That(index2, Is.GreaterThanOrEqualTo(0),
"You must use a hero from the repository to create the battle using the factory.");
Assert.That(index1, Is.Not.EqualTo(index2), "The same hero cannot be picked twice in one battle.");
createdBattle = new Mock <IBattle>().Object;
})
.Returns((IHero fighter1, IHero fighter2) => createdBattle);
IBattleService service = battleServiceBuilder.Build();
//Act
IBattle battle = service.SetupRandomBattle();
//Assert
Assert.That(battle, Is.Not.Null, "The returned battle is null.");
battleServiceBuilder.HeroRepositoryMock.Verify(repo => repo.GetAll(), Times.Once,
"The repository should be used to retrieve all heroes.");
battleServiceBuilder.BattleFactoryMock.Verify(
factory => factory.CreateNewBattle(It.IsAny <IHero>(), It.IsAny <IHero>()), Times.Once,
"The CreateNewBattle method of the factory has not been called.");
Assert.That(battle, Is.SameAs(createdBattle),
"The battle created by the factory is not the instance that is returned.");
return(index1, index2);
}