FizzBuzz without Conditional Control Structures

fizz_buzz.rb

def fizz_buzz(start, final)
  set = {}

  normal_values = [*start..final]
  fizz_values = [*((start - start % 3)..final).step(3)]
  buzz_values = [*((start - start % 5)..final).step(5)]
  fizz_buzz_values = [*((start - start % 15)..final).step(15)]

  normal_values.each do |number|
    set[number] = number
  end

  fizz_values.each do |number|
    set[number] = 'Fizz'
  end

  buzz_values.each do |number|
    set[number] = 'Buzz'
  end

  fizz_buzz_values.each do |number|
    set[number] = 'FizzBuzz'
  end

  set.sort.to_h.values[start..final]
end

def fizz_buzz_with_reject(start, final)
  set = {}

  fizz_values = (start..final).select { |n| n % 3 == 0 }
  buzz_values = (start..final).select { |n| n % 5 == 0 }
  fizz_buzz_values = (start..final).select { |n| n % 3 == 0 && n % 5 == 0 }


  (start..final).each do |number|
    set[number] = number
  end

  fizz_values.each do |number|
    set[number] = 'Fizz'
  end

  buzz_values.each do |number|
    set[number] = 'Buzz'
  end

  fizz_buzz_values.each do |number|
    set[number] = 'FizzBuzz'
  end

  set.values
end

fizz_buzz_test.rb

require_relative 'fizz_buzz'
require 'minitest/autorun'

class FizzBuzzTest < MiniTest::Test
  CANON = ['FizzBuzz', 1, 2, 'Fizz', 4, 'Buzz', 'Fizz', 7, 8, 'Fizz', 'Buzz',
           11, 'Fizz', 13, 14, 'FizzBuzz', 16, 17, 'Fizz', 19, 'Buzz',
           'Fizz', 22, 23, 'Fizz', 'Buzz', 26, 'Fizz', 28, 29, 'FizzBuzz']

  def test_zero_to_thirty
    assert_equal(CANON[0..30], fizz_buzz(0,30))
  end

  def test_one_to_thirty
    assert_equal(CANON[1..30], fizz_buzz(1,30))
  end

  def test_zero_to_twenty_nine
    assert_equal(CANON[0..29], fizz_buzz(0,29))
  end

  def test_one_to_twenty_nine
    assert_equal(CANON[1..29], fizz_buzz(1,29))
  end

  def test_zero_to_thirty_with_reject
    assert_equal(CANON[0..30], fizz_buzz_with_reject(0,30))
  end

  def test_one_to_thirty_with_reject
    assert_equal(CANON[1..30], fizz_buzz_with_reject(1,30))
  end

  def test_zero_to_twenty_nine_with_reject
    assert_equal(CANON[0..29], fizz_buzz_with_reject(0,29))
  end

  def test_one_to_twenty_nine_with_reject
    assert_equal(CANON[1..29], fizz_buzz_with_reject(1,29))
  end
end