public void GetDistance_Station1IsNull_Failed()
{
// Act
var stationDistCalc = new DistanceCalculator.KmStationDistanceCalculator(Mock.Of <KmDistanceCalculator>());
Assert.Throws(Is.TypeOf <ArgumentNullException>().And.Property("ParamName").EqualTo("station1"),
() => stationDistCalc.GetDistance(null, Mock.Of <IStation>()));
}
public void GetDistance_Success()
{
double distance = 10;
var distCalcMock = new Mock <IDistanceCalculator>();
distCalcMock.Setup(calc =>
calc.GetDistance(It.IsAny <double>(), It.IsAny <double>(), It.IsAny <double>(), It.IsAny <double>()))
.Returns(distance);
// Act
var stationDistCalc = new DistanceCalculator.KmStationDistanceCalculator(distCalcMock.Object);
var result = stationDistCalc.GetDistance(Mock.Of <IStation>(), Mock.Of <IStation>());
distCalcMock.Verify(calc =>
calc.GetDistance(It.IsAny <double>(), It.IsAny <double>(), It.IsAny <double>(), It.IsAny <double>()), Times.Once);
Assert.AreEqual(result, distance, "Result distance is incorrect");
}
