private static double GetPriceBasedOnQuantityAndLoss(IceCream iceCream, int price, int quantity)
{
var totalQuantity = quantity + iceCream.Quantity;
var fraction1 = (double) (quantity)*price;
var fraction2 = (iceCream.Quantity)*iceCream.Price;
var fraction3 = (fraction1 + fraction2 + iceCream.Loss.SafeValue()*iceCream.Price)/totalQuantity;
return fraction3;
}
public void BuyIceThrowsHttpExceptionIfThereAreZeroIcesLeft()
{
var ice = new CiberIs.Models.IceCream {Quantity = 0};
A.CallTo(() => _mongoDb.FindById<CiberIs.Models.IceCream>(A<string>.Ignored, A<string>.Ignored))
.Returns(ice);
var exception =
Assert.Throws<HttpResponseException>(
() => _controller.Post(new FormDataCollection(Enumerable.Empty<KeyValuePair<string, string>>())));
Assert.AreEqual(exception.Response.StatusCode, HttpStatusCode.Conflict);
}
public ActionResult RegisterForIce(string objectId, IceCream iceCream)
{
var ice = _db.FindById<IceCream>(objectId, "IceCreams");
if(ice.Quantity < iceCream.Loss.SafeValue()) {
throw new ArgumentException("Loss cannot be greater than the registered quantity");
}
ice.Loss = iceCream.Loss.SafeValue();
ice.Quantity -= ice.Loss.SafeValue();
_db.Save(ice, "IceCreams");
return RedirectToAction("Index", "Admin");
}
public void BuyIceReducesQuantityWithOne()
{
var ice = new CiberIs.Models.IceCream {Quantity = 2};
A.CallTo(() => _mongoDb.FindById<CiberIs.Models.IceCream>(A<string>.Ignored, A<string>.Ignored))
.Returns(ice);
var keyValuePairs = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string, string>("buyer", "561")
};
_controller.Post(new FormDataCollection(keyValuePairs));
Assert.AreEqual(1, ice.Quantity);
}
public void BuyIceCallsSaveWithUpdatedQuantity()
{
var ice = new CiberIs.Models.IceCream {Quantity = 2};
A.CallTo(() => _mongoDb.FindById<CiberIs.Models.IceCream>(A<string>.Ignored, A<string>.Ignored))
.Returns(ice);
var keyValuePairs = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string, string>("buyer", "561")
};
_controller.Post(new FormDataCollection(keyValuePairs));
A.CallTo(() => _mongoDb.Save(A<CiberIs.Models.IceCream>.Ignored, A<string>.Ignored)).MustHaveHappened();
}
public dynamic Post(IceCream iceCream)
{
if (iceCream == null) throw new HttpResponseException(HttpStatusCode.BadRequest);
try
{
_mongoDb.Insert(iceCream, "IceCreams");
}
catch (MongoException e)
{
return new {success = false, errorMessage = e.Message};
}
return new { success = true, errorMessage = string.Empty, iceCreamId = iceCream.Id.ToString() };
}
public void BuyIceInsertsPurchase()
{
var ice = new CiberIs.Models.IceCream {Quantity = 2, Price = 7};
A.CallTo(() => _mongoDb.FindById<CiberIs.Models.IceCream>(A<string>.Ignored, A<string>.Ignored))
.Returns(ice);
var keyValuePairs = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string, string>("buyer", "561")
};
_controller.Post(new FormDataCollection(keyValuePairs));
A.CallTo(
() =>
_mongoDb.Insert(A<Purchase>.That.Matches(x => x.Buyer == 561 && x.Price == ice.Price), "Purchases"))
.MustHaveHappened();
}
public void BuyIceWhenExceptionReturnsSuccssFalse()
{
var ice = new CiberIs.Models.IceCream {Quantity = 2, Price = 7};
A.CallTo(() => _mongoDb.FindById<CiberIs.Models.IceCream>(A<string>.Ignored, A<string>.Ignored))
.Returns(ice);
A.CallTo(() => _mongoDb.Save(A<CiberIs.Models.IceCream>.Ignored, A<string>.Ignored))
.Throws(new MongoException("sorry"));
var keyValuePairs = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string, string>("buyer", "561")
};
var result = _controller.Post(new FormDataCollection(keyValuePairs));
Assert.IsFalse(result.success);
}
