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| # Solução rápida. | |
| (1..100).each do |counter| | |
| nama_team = "#{'Nama' if counter % 5 == 0 } #{'Team' if counter % 7 == 0 }".strip | |
| nama_team = counter if nama_team.empty? | |
| puts nama_team | |
| end | |
| # Solução mais elegante | |
| # Explicação: caso um novo multiplo precise ser adicionado, tanto para 'Nama' quanto para 'Team', | |
| # será necessário apenas adicionar o novo multiplo ao Array correspondente. | |
| class NamaTeam | |
| NAMA_MULTIPLES = [5] | |
| TEAM_MULTIPLES = [7] | |
| def multiple_result(number) | |
| nama_team = '' | |
| nama_team << 'Nama ' if nama_multiple? number | |
| nama_team << 'Team' if team_multiple? number | |
| nama_team = number.to_s if nama_team.empty? | |
| nama_team.strip | |
| end | |
| private | |
| def nama_multiple?(number) | |
| is_there_a_multiple_in_the_list?(number, NAMA_MULTIPLES) | |
| end | |
| def team_multiple?(number) | |
| is_there_a_multiple_in_the_list?(number, TEAM_MULTIPLES) | |
| end | |
| def is_there_a_multiple_in_the_list?(number, multiples_list) | |
| multiples_list.select { |multiple| number % multiple == 0 }.length > 0 | |
| end | |
| end | |
| require 'minitest/autorun' | |
| class TestNamaTeam < MiniTest::Unit::TestCase | |
| def setup | |
| @nama_team = NamaTeam.new | |
| end | |
| def test_multiples_of_5 | |
| assert_equal "Nama", @nama_team.multiple_result(5) | |
| assert_equal "Nama", @nama_team.multiple_result(10) | |
| assert_equal "Nama", @nama_team.multiple_result(20) | |
| assert_equal "Nama", @nama_team.multiple_result(55) | |
| assert_equal "Nama", @nama_team.multiple_result(75) | |
| assert_equal "Nama", @nama_team.multiple_result(100) | |
| # 5 and 7 | |
| refute_equal "Nama", @nama_team.multiple_result(35) | |
| refute_equal "Nama", @nama_team.multiple_result(70) | |
| end | |
| def test_multiples_of_7 | |
| assert_equal "Team", @nama_team.multiple_result(7) | |
| assert_equal "Team", @nama_team.multiple_result(14) | |
| assert_equal "Team", @nama_team.multiple_result(42) | |
| assert_equal "Team", @nama_team.multiple_result(84) | |
| # 5 and 7 | |
| refute_equal "Team", @nama_team.multiple_result(35) | |
| refute_equal "Team", @nama_team.multiple_result(70) | |
| end | |
| def test_multiples_of_5_and_7 | |
| assert_equal "Nama Team", @nama_team.multiple_result(35) | |
| assert_equal "Nama Team", @nama_team.multiple_result(70) | |
| end | |
| end | |
| nt = NamaTeam.new | |
| (1..100).each { |i| puts nt.multiple_result(i) } |
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