public void CalculateRange_OnSuccess_ReturnValidResult(IRangeCalculationStrategy strategy,
IntervalUnit unit, int intervalValue, int maxSpeed, double?expectedValue)
{
var testShip = StarshipUtils.Create(unit, intervalValue, maxSpeed);
Assert.Equal(expectedValue, strategy.CalculateRange(testShip));
}
public void CalculateRange_WhenNullInterval_ReturnsNull()
{
var testShip = StarshipUtils.Create(IntervalUnit.Unknown, null, null);
var strategy = new SimpleRangeCalculationStrategy();
Assert.Null(strategy.CalculateRange(testShip));
}
public void CalculateRange_WhenUnitMismatch_ThrowsCalculationException()
{
var testShip = StarshipUtils.Create(IntervalUnit.Day, 1, 1);
var strategy = new SimpleRangeCalculationStrategy();
Assert.Throws <CalculationException>(() => strategy.CalculateRange(testShip));
}
public void CalculateTotalStops_WhenRangeCalculationNotNull_ReturnsValidResult()
{
var moqFactory = new Mock <IRangeCalculationStrategyFactory>();
moqFactory.Setup(mf => mf.GetRangeCalculationStrategy(It.IsAny <IntervalUnit>()))
.Returns(CreateMoqStrategy(2).Object);
var testCalculator = new StopsCalculator(moqFactory.Object, new Mock <ILogger>().Object);
var result = testCalculator.CalculateTotalStops(StarshipUtils.Create(IntervalUnit.Day, 2, 1), 5);
Assert.True(result.IsValid);
Assert.Equal(2, result.NumberOfStops);
}
public void CalculateTotalStops_WhenRangeCalculationZero_ThrowsDivideByZeroException()
{
var moqFactory = new Mock <IRangeCalculationStrategyFactory>();
moqFactory.Setup(mf => mf.GetRangeCalculationStrategy(It.IsAny <IntervalUnit>()))
.Returns(CreateMoqStrategy(0).Object);
var testCalculator = new StopsCalculator(moqFactory.Object, new Mock <ILogger>().Object);
Assert.Throws <DivideByZeroException>(() => testCalculator.CalculateTotalStops(StarshipUtils.Create(IntervalUnit.Day, 2, 1), 1));
}