Contents

require 'test_helper'

describe AgeCalculator do
  it 'calculates age from birthday' do
    travel_to Date.new(2018,1,2) do
      ac = AgeCalculator.new Date.new(2000,1,1)
      _(ac.age).must_equal 18

      ac = AgeCalculator.new Date.new(2000,1,2)
      _(ac.age).must_equal 18

      ac = AgeCalculator.new Date.new(2000,1,3)
      _(ac.age).must_equal 17
    end
  end

  it 'calculates age based on a given date' do
    ac = AgeCalculator.new Date.new(2000,1,2)

    _(ac.age(asof: Date.new(2018,1,1))).must_equal 17
    _(ac.age(asof: Date.new(2018,1,2))).must_equal 18
    _(ac.age(asof: Date.new(2018,1,3))).must_equal 18
  end

  it 'raises an error with an invalid date' do
    error = _(-> { AgeCalculator.new nil }).must_raise ArgumentError
    _(error.message).must_match(/nil is not a date/)
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
age_calculator-2.0.0	test/age_calculator_test.rb