Initial Spec for a Perceptron Class

perceptron_spec.rb

require 'spec_helper'
require 'perceptron'

RSpec.describe Perceptron do
  describe '#activation' do
    describe 'logic AND' do
      bias = -1
      weights = [bias, 1, 1]
      describe 'when inputs are 0 and 0' do
        it 'returns 0 AND 0' do
          a = 0
          b = 0
          inputs = [a, b]
          perceptron = Perceptron.new(inputs.count, weights)
          expect(perceptron.predict(inputs)).to eq(a & b)
        end
      end
      describe 'when inputs are 0 and 1' do
        it 'returns 0 AND 1' do
          a = 0
          b = 1
          inputs = [a, b]
          perceptron = Perceptron.new(inputs.count, weights)
          expect(perceptron.predict(inputs)).to eq(a & b)
        end
      end
      describe 'when inputs are 1 and 0' do
        it 'returns 1 AND 0' do
          a = 1
          b = 0
          inputs = [a, b]
          perceptron = Perceptron.new(inputs.count, weights)
          expect(perceptron.predict(inputs)).to eq(a & b)
        end
      end
      describe 'when inputs are 1 and 1' do
        it 'returns 1 AND 1' do
          a = 1
          b = 1
          inputs = [a, b]
          perceptron = Perceptron.new(inputs.count, weights)
          expect(perceptron.predict(inputs)).to eq(a & b)
        end
      end
    end
  end
end