public void LayerComputeTest()
{
//given
INeuron firstNeuron = MockRepository.GenerateMock <INeuron>();
firstNeuron.Stub(neuron => neuron.Compute(Arg <double> .Is.Anything, Arg <IEnumerable <double> > .Is.Anything)).Return(1.0);
INeuron secondNeuron = MockRepository.GenerateMock <INeuron>();
secondNeuron.Stub(neuron => neuron.Compute(Arg <double> .Is.Anything, Arg <IEnumerable <double> > .Is.Anything)).Return(2.0);
bool first = true;
_factory.Stub(fac => fac.ConstructNeuron(Arg <int> .Is.Anything)).IgnoreArguments().Do(
(Func <int, INeuron>)((a) =>
{
if (first)
{
first = false;
return(firstNeuron);
}
else
{
return(secondNeuron);
}
}
));
double bias = 1.0;
int previousLayerOutputCount = 2;
int neuronNumber = 2;
Layer layer = new Layer(bias, previousLayerOutputCount, neuronNumber, _factory);
List <double> firstNeuronInput = new List <double> {
2.0, 1.0
};
List <double> secondNeuronInput = new List <double> {
1.0, 2.0
};
List <List <double> > inputData = new List <List <double> > {
firstNeuronInput, secondNeuronInput
};
//when
IEnumerable <double> result = layer.Compute(inputData);
//then
Assert.AreEqual(2, result.Count());
Assert.AreEqual(1.0, result.ElementAt(0));
Assert.AreEqual(2.0, result.ElementAt(1));
firstNeuron.AssertWasCalled(neuron => neuron.Compute(Arg <double> .Is.Equal(bias), Arg <IEnumerable <double> > .Is.Equal(firstNeuronInput)));
secondNeuron.AssertWasCalled(neuron => neuron.Compute(Arg <double> .Is.Equal(bias), Arg <IEnumerable <double> > .Is.Equal(secondNeuronInput)));
}
