protected virtual void OnCurrencyChange(object sender, StockInfoEventArgs args)
{
if (CurrencyChange != null)
{
CurrencyChange.Invoke(sender, args);
}
}
public async Task <double> GetExchangeRate(CurrencyChange currencyChange)
{
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("https://api.exchangeratesapi.io/latest");
var response = await client.GetAsync($"?base={currencyChange.CurrencyCode}&symbols={currencyChange.CurrencyType}&amount={currencyChange.Units}");
var stringResult = await response.Content.ReadAsStringAsync();
var dictResult = JsonConvert.DeserializeObject <dynamic>(stringResult);
var exchangeValue = dictResult.rates[$"{currencyChange.CurrencyType}"];
var convert = exchangeValue * currencyChange.Units;
return(convert);
}
}
public async Task GetExchangeRate_IngresaValores_RegresaConversion()
{
var controller = new currencyController();
var currencychange = new CurrencyChange()
{
CurrencyCode = "EUR",
CurrencyType = "MXN",
Units = 1
};
double result = await controller.GetExchangeRate(currencychange);
double expected = 23.7835;
var amount = 1;
var convert = expected * amount;
Assert.AreEqual(result, convert);
}
public async Task Test_To_Change_CurrencyAsync_BadResult()
{
//Arrange
var model = new CurrencyChangeModel
{
Symbol = "USD",
UserId = 2
};
var cur = new CurrencyChange
{
FormerMainCurrencyTitle = "eur",
NewMainCurrencySymbol = "USD"
};
var currMgr = new Mock <ICurrencyManager>();
currMgr.Setup(t => t.ChangeMainCurrency("oob", model.UserId)).ReturnsAsync((cur, string.Empty));
var _sut = new CurrencyController(currMgr.Object);
//Act
var result = await _sut.ChangeUserCurrency(model);
Assert.IsType <BadRequestObjectResult>(result);
Assert.Equal(model.Symbol, cur.NewMainCurrencySymbol);
}
public async Task Test_To_Change_CurrencyAsync()
{
//Arrange
var model = new CurrencyChangeModel
{
Symbol = "EUR",
UserId = 2
};
var cur = new CurrencyChange
{
FormerMainCurrencyTitle = "usd",
NewMainCurrencySymbol = "EUR"
};
var currMgr = new Mock <ICurrencyManager>();
currMgr.Setup(t => t.ChangeMainCurrency(model.Symbol, model.UserId)).ReturnsAsync((cur, "success"));
var _sut = new CurrencyController(currMgr.Object);
//Act
var output = await _sut.ChangeUserCurrency(model);
Assert.IsType <OkObjectResult>(output);
Assert.Equal(model.Symbol, cur.NewMainCurrencySymbol);
}
protected virtual void OnCurrencyChange(StockInfoEventArgs info) => CurrencyChange?.Invoke(this, info);
