public void GetRatesData_EmptyWhenRatesIsNull_Test()
{
// Arrange
var exchangeRates = Mock.Of<IExchangeRates>();
var vm = new ExchangeRatesVm(exchangeRates);
// Act
var ratesData = vm.GetRatesData();
// Assert
Assert.IsEmpty(ratesData);
}
public void GetRatesData_Test()
{
// Arrange
var rate1 = Mock.Of<Rate>(t => t.Stamp == new DateTime(2001, 1, 1) && t.Value == 123.456789);
var rate2 = Mock.Of<Rate>(t => t.Stamp == new DateTime(2002, 2, 2) && t.Value == 987.654321);
var vm = new ExchangeRatesVm(Mock.Of<IExchangeRates>())
{
Rates = new[] { rate1, rate2 }
};
// Act
var ratesData = vm.GetRatesData();
// Assert
Assert.AreEqual(ratesData, "['2001-01-01',123.456789],['2002-02-02',987.654321]");
}