/// <summary>
/// This constructor method will set the ohms value property, as well as low and high tolerance values properties from passed variable length collection of band color codes.
/// </summary>
/// <param name="bandColors"></param>
// public LaResistance(List<string> bandColors)
public LaResistance(OhmBandsListModel model)
{
_bandColors = model.bandColors;
CodedResistance calc = new CodedResistance();
calc.CalculateOhmValue(_bandColors, out _ohms, out _tolerance, out _ohmsLow, out _ohmsHigh);
ohms = _ohms;
tolerance = _tolerance * 100; //for outputting pct
ohmsLow = _ohmsLow;
ohmsHigh = _ohmsHigh;
}
public void GetResistanceValue_TestArrayMultiple()
{
//arrange
List <string> colors = new List <string>();
colors.Add("Brown");
colors.Add("Red");
colors.Add("Blue");
colors.Add("Orange");
colors.Add("Gold");
OhmBandsListModel ohmBands_input = new
OhmBandsListModel
{
bandColors = colors
};
OhmValuesModel ohmValues_check = new OhmValuesModel
{
ohms = 126000,
tolerance = 5,
low = 119700,
high = 132300
};
//act
LaResistance laResistance = new LaResistance(ohmBands_input);
OhmValuesModel ohmValues_output = new OhmValuesModel
{
ohms = laResistance.ohms,
tolerance = laResistance.tolerance,
low = laResistance.ohmsLow,
high = laResistance.ohmsHigh
};
//assert
//we shouldn't test equality with data in a database, demo project.
Assert.AreEqual(ohmValues_check.ohms, ohmValues_output.ohms);
Assert.AreEqual(ohmValues_check.tolerance, ohmValues_output.tolerance);
Assert.AreEqual(ohmValues_check.low, ohmValues_output.low);
Assert.AreEqual(ohmValues_check.high, ohmValues_output.high);
}
public void GetResistanceValue_TestArraySingle()
{
//arrange
List <string> colors = new List <string>();
colors.Add("Violet");
OhmBandsListModel ohmBands_input = new
OhmBandsListModel
{
bandColors = colors
};
OhmValuesModel ohmValues_check = new OhmValuesModel
{
ohms = 7,
tolerance = 0,
low = 7,
high = 7
};
//act
LaResistance laResistance = new LaResistance(ohmBands_input);
OhmValuesModel ohmValues_output = new OhmValuesModel
{
ohms = laResistance.ohms,
tolerance = laResistance.tolerance,
low = laResistance.ohmsLow,
high = laResistance.ohmsHigh
};
//assert
Assert.AreEqual(ohmValues_check.ohms, ohmValues_output.ohms);
Assert.AreEqual(ohmValues_check.tolerance, ohmValues_output.tolerance);
Assert.AreEqual(ohmValues_check.low, ohmValues_output.low);
Assert.AreEqual(ohmValues_check.high, ohmValues_output.high);
}
public OhmValuesModel GetResistanceValue(OhmBandsListModel ohmBands)
{
try
{
using (var context = new ElectronicsCalculatorDbContext())
{
LaResistance laResistance = new LaResistance(ohmBands);
OhmValuesModel ohmValues = new OhmValuesModel
{
ohms = laResistance.ohms,
tolerance = laResistance.tolerance,
low = laResistance.ohmsLow,
high = laResistance.ohmsHigh
};
return(ohmValues);
}
}
catch (Exception)
{
throw;
}
}