public void Add_ShouldAddADrawToTheDatabase()
{
//Arrange
var someGame = new LotteryGameBuilder().Build();
using (var context = CreateDbContext())
{
context.Add(someGame);
context.SaveChanges();
}
var newDraw = new DrawBuilder().WithLotteryGameId(someGame.Id).WithRandomDrawNumbers(1, 1).Build();
using (var context = CreateDbContext())
{
var repo = new DrawRepository(context);
//Act
repo.Add(newDraw);
}
using (var context = CreateDbContext())
{
//Assert
var savedDraw = context.Set <Draw>().FirstOrDefault(draw => draw.Id == newDraw.Id);
Assert.That(savedDraw, Is.Not.Null, () => "Cannot find the added draw in the database.");
}
}
public LotteryGameBuilder WithRandomDraws(int minimumAmountOfDraws, int maximumAmountOfDraws)
{
_game.Draws = new List <Draw>();
var amountOfDraws = _random.Next(minimumAmountOfDraws, maximumAmountOfDraws + 1);
for (int i = 0; i < amountOfDraws; i++)
{
var draw = new DrawBuilder().WithRandomDrawNumbers(1, 10).Build();
_game.Draws.Add(draw);
}
return(this);
}
public void Add_ShouldThrowArgumentExceptionWhenTheDrawContainsNoDrawNumbers()
{
var newDraw = new DrawBuilder().Build();
using (var context = CreateDbContext())
{
var repo = new DrawRepository(context);
newDraw.DrawNumbers = null;
Assert.That(() => repo.Add(newDraw), Throws.ArgumentException,
() => "Should throw an 'ArgumentException' when 'DrawNumbers' is null.");
newDraw.DrawNumbers = new List <DrawNumber>();
Assert.That(() => repo.Add(newDraw), Throws.ArgumentException,
() => "Should throw an 'ArgumentException' when 'DrawNumbers' is empty.");
}
}
