//[Fact]
public void MethodsTest()
{
DataService testService = new LibraryManager(new DataRepository(new MyXmlReader("path")));
string title1 = "Dziady", title2 = "Wiersze", title3 = "Treny", author1 = "Adam Mickiewicz", author2 = "Jan Brzechwa", author3 = "Jan Kochanowski";
string name1 = "Jan", name2 = "Piotr", name3 = "Adam", lastName1 = "Kowalski", lastName2 = "Nowak", lastName3 = "Puszek";
Assert.True(testService.AddNewBookItem(title1, author1));
Assert.True(testService.AddNewBookItem(title2, author2));
Assert.False(testService.AddNewBookItem(title2, author2));
Assert.Equal(2, testService.GetInfo("bookItems").Count);
Assert.True(testService.ChangeBookItemData(0, title3, author3));
Assert.Contains(title3, testService.GetInfo("bookItems")[0]);
Assert.Contains(author3, testService.GetInfo("bookItems")[0]);
Assert.False(testService.ChangeBookItemData(3, title3, author3));
Assert.True(testService.AddNewReader(name1, lastName1));
Assert.True(testService.AddNewReader(name2, lastName2));
Assert.False(testService.AddNewReader(name2, lastName2));
Assert.Equal(2, testService.GetInfo("readers").Count);
Assert.True(testService.ChangeReaderData(0, name3, lastName3));
Assert.Contains(name3, testService.GetInfo("readers")[0]);
Assert.Contains(lastName3, testService.GetInfo("readers")[0]);
Assert.False(testService.ChangeReaderData(3, name3, lastName3));
Random rnd = new Random();
int quantity = rnd.Next(10, 256);
double prize = rnd.NextDouble() * quantity;
string currency = "PLN";
Assert.True(testService.RegisterCopies(0, quantity, prize, currency));
quantity = rnd.Next(10, 256);
prize = rnd.NextDouble() * quantity;
currency = "USD";
Assert.True(testService.RegisterCopies(1, quantity, prize, currency));
Assert.True(testService.RegisterCopies(1, quantity, prize, currency));
Assert.Equal(2, testService.GetInfo("copyInfos").Count);
Assert.Contains((quantity * 2).ToString(), testService.GetInfo("copyInfos")[1]);
quantity = rnd.Next(10, 256);
prize = rnd.NextDouble() * quantity;
currency = "EUR";
Assert.True(testService.ChangeCopiesData(0, 1, quantity, prize, currency));
Assert.Contains(title2, testService.GetInfo("copyInfos")[0]);
Assert.Contains(author2, testService.GetInfo("copyInfos")[0]);
Assert.Contains(quantity.ToString(), testService.GetInfo("copyInfos")[0]);
Assert.Contains(prize.ToString("0.00"), testService.GetInfo("copyInfos")[0]);
Assert.Contains(currency.ToString(), testService.GetInfo("copyInfos")[0]);
Assert.False(testService.ChangeCopiesData(3, 1, quantity, prize, currency));
int tmp = rnd.Next(1, quantity);
Assert.True(testService.RetractCopies(0, tmp));
Assert.Equal(quantity - tmp, testService.GetQuantity(0));
DateTime date1 = new DateTime(1995, 1, 1);
date1 = date1.AddDays(rnd.Next(200, 1000));
Assert.True(testService.RegisterBorrowing(0, 0));
Assert.True(testService.RegisterBorrowing(1, 1, date1));
date1 = date1.AddDays(rnd.Next(200, 1000));
DateTime date2 = date1.AddDays(rnd.Next(1, 100));
Assert.True(testService.RegisterBorrowing(0, 1, date1, date2));
Assert.False(testService.RegisterBorrowing(2, 0));
Assert.False(testService.RegisterBorrowing(0, 2, date1));
Assert.False(testService.RegisterBorrowing(2, 0));
Assert.False(testService.RegisterBorrowing(2, 2, date1, date2));
Assert.True(testService.RegisterPurchase(0, 0));
Assert.True(testService.RegisterPurchase(1, 0, date2));
Assert.False(testService.SetReturned(3));
// date 1 < date2
Assert.False(testService.RegisterBorrowing(0, 0, date2, date1));
Assert.Equal(5, testService.GetInfo("events").Count);
Assert.True(testService.SetReturned(0));
Assert.False(testService.SetReturned(0));
Assert.True(testService.RemoveReader(0));
Assert.True(testService.RemoveReader(0));
Assert.False(testService.RemoveReader(0));
Assert.False(testService.ChangeReaderData(0, name3, lastName3));
Assert.True(testService.RemoveBookItem(0));
Assert.True(testService.RemoveBookItem(1));
Assert.False(testService.RemoveBookItem(0));
Assert.False(testService.ChangeBookItemData(1, title3, author3));
Assert.True(testService.RetractCopies(1));
Assert.False(testService.ChangeCopiesData(1, 1, quantity, prize, currency));
}