public void GetCryptoCurrenciesTest() { //Arange ICurrencyService currencyService = new CurrencyService(new CoinMarketCapServiceMock(), new CalculatorMock()); //Act var currencies = currencyService.GetCryptoCurrencies("USD", 20).FirstOrDefault(); //Assert Assert.True(currencies != null); Assert.True(currencies.Amount == 20); Assert.True(currencies.Price == 12); Assert.True(currencies.Name == "Bitcoin"); }