public void TestValidColor()
{
//Arrage
var m = new Mock <IBandColors>();
var stubColorList = new StubBandList();
m.Setup(x => x.GetAllBandColors()).Returns(stubColorList.GetAllBandColors());
var fourBandResistor = new OhmValueCalculator(m.Object);
//Act
fourBandResistor.CalculateOhmValue("brown", "red", "red", "yellow");
//Assert
m.Verify(x => x.GetAllBandColors(), Times.AtLeastOnce);
}
public void TestInvalidColor()
{
//Arrage
var m = new Mock <IBandColors>();
var stubColorList = new StubBandList();
m.Setup(x => x.GetAllBandColors()).Returns(stubColorList.GetAllBandColors());
var fourBandResistor = new OhmValueCalculator(m.Object);
var expected = $"Invalid color for band";
//Act
Exception ex = Assert.Throws <ColorNotFoundException>(() => fourBandResistor.CalculateOhmValue("darkbrown", "red", "red", "yellow"));
//Assert
Assert.Contains(expected, ex.Message);
}
public void TestCalculateResistance()
{
//Arrage
var m = new Mock <IBandColors>();
var stubColorList = new StubBandList();
m.Setup(x => x.GetAllBandColors()).Returns(stubColorList.GetAllBandColors());
var fourBandResistor = new OhmValueCalculator(m.Object);
var expected = 1200;
//Act
var result = fourBandResistor.CalculateOhmValue("brown", "red", "red", "yellow");
//Assert
Assert.Equal(expected, result);
}
