public void CanConvertTemperature_ToString()
{
// arrange
Mock<IWeatherDao> mock = new Mock<IWeatherDao>();
WeatherService service = new WeatherService(mock.Object);
Temperature temp = new Temperature()
{
temp = 75,
scale = "F"
};
mock.Setup(x => x.ConvertToString(It.IsAny<Temperature>())).Returns("75 F");
// act
string result = service.convert(temp);
// assert
Assert.AreEqual("75 F", result);
}