public async Task ReturnCorrectConvertedBalance_When_PassedValidValue()
{
//Arrange
contextOptions = new DbContextOptionsBuilder <ItsAllAboutTheGameDbContext>()
.UseInMemoryDatabase(databaseName: "ReturnCorrectConvertedBalance_When_PassedValidValue")
.Options;
dateTimeProvider = new DateTimeProvider();
user = new User
{
Id = userId,
Cards = new List <CreditCard>(),
Transactions = new List <Transaction>(),
UserName = userName,
CreatedOn = dateTimeProvider.Now,
Email = email,
FirstName = firstName,
LastName = lastName,
DateOfBirth = DateTime.Parse("02.01.1996"),
Role = UserRole.None,
};
userWallet = new Wallet
{
Currency = Currency.GBP,
Balance = 2000, // we put 2000 in balance otherwise the method will return an null DTO (business logic)
User = user,
};
foreignExchangeServiceMock = new Mock <IForeignExchangeService>();
foreignExchangeDTO = new ForeignExchangeDTO
{
Base = GlobalConstants.BaseCurrency,
Rates = Enum.GetNames(typeof(Currency)).ToDictionary(name => name, value => 2m)
};
var currencies = foreignExchangeServiceMock.Setup(fesm => fesm.GetConvertionRates()).ReturnsAsync(foreignExchangeDTO);
//Act
using (var actContext = new ItsAllAboutTheGameDbContext(contextOptions))
{
await actContext.Users.AddAsync(user);
await actContext.Wallets.AddAsync(userWallet);
await actContext.SaveChangesAsync();
}
//Assert
using (var assertContext = new ItsAllAboutTheGameDbContext(contextOptions))
{
var sut = new WalletService(assertContext, foreignExchangeServiceMock.Object, dateTimeProvider);
var convertedBalance = await sut.ConvertBalance(user);
var currentWalletBalance = await assertContext.Wallets.Where(w => w.User == user).FirstOrDefaultAsync();
var expectedAmount = currentWalletBalance.Balance * foreignExchangeDTO.Rates[userWallet.Currency.ToString()];
Assert.AreEqual(expectedAmount, convertedBalance);
}
}