public void SetUp()
{
_network = new NetworkBuilder().Setup();
_outputErrorCalculatorMock = new Mock <IOutputUnitErrorCalculator>();
_outputErrorCalculatorMock.Setup(c => c.CalculateOutputError(IdealValue1, _network.Output1Activation, _network.Output1Derivative)).Returns(Output1ExpectedError);
_outputErrorCalculatorMock.Setup(c => c.CalculateOutputError(IdealValue2, _network.Output2Activation, _network.Output2Derivative)).Returns(Output2ExpectedError);
_hiddenErrorCalculatorMock = new Mock <IHiddenUnitErrorCalculator>();
_hiddenErrorCalculatorMock.Setup(c => c.CalculateHiddenError(It.IsAny <IEnumerable <double> >(), It.IsAny <IEnumerable <double> >(), _network.Hidden1Activation, _network.Hidden1Derivative)).Returns(Hidden1ExpectedError);
_hiddenErrorCalculatorMock.Setup(c => c.CalculateHiddenError(It.IsAny <IEnumerable <double> >(), It.IsAny <IEnumerable <double> >(), _network.Hidden2Activation, _network.Hidden2Derivative)).Returns(Hidden2ExpectedError);
_backPropagator = new ErrorValueBackPropagator(_network.GetNetwork(), _outputErrorCalculatorMock.Object, _hiddenErrorCalculatorMock.Object);
_outputUnits = _network.GetOutputs();
_hiddenUnits = _network.GetHidden();
_idealValues = new List <double> {
IdealValue1, IdealValue2
};
}