Contents

# encoding: utf-8

require 'spec_helper'

describe Aggregate::Sum, '.call' do
  subject do
    values.reduce(default) do |accumulator, value|
      object.call(accumulator, value)
    end
  end

  let(:default) { object.default  }
  let(:object)  { described_class }

  context 'when the values are not nil' do
    let(:values) { [ 1, 2, 3, 4, 5, 6 ] }

    it 'returns the expected sum of the values' do
      should eql(21)
    end
  end

  context 'when the values are nil' do
    let(:values) { [ nil ] }

    it 'returns the default' do
      should equal(default)
    end
  end
end

Version data entries

4 entries across 4 versions & 2 rubygems

Version	Path
axiom-0.1.0	spec/unit/axiom/aggregate/sum/class_methods/call_spec.rb
veritas-0.0.7	spec/unit/veritas/aggregate/sum/class_methods/call_spec.rb
veritas-0.0.6	spec/unit/veritas/aggregate/sum/class_methods/call_spec.rb
veritas-0.0.5	spec/unit/veritas/aggregate/sum/class_methods/call_spec.rb