Kata written in ruby with full tdd throughout using Rspec
- irb
- require './lib/CracklePop'
- 1.upto(100){|number| puts CracklePop(number) }
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August 29, 2015 14:14
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CracklePop
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| def can_be_divided_by_three?(number) | |
| can_be_divided_by?(number, 3) | |
| end | |
| def can_be_divided_by_five?(number) | |
| can_be_divided_by?(number, 5) | |
| end | |
| def can_be_divided_by_fifteen?(number) | |
| can_be_divided_by?(number, 15) | |
| end | |
| def can_be_divided_by?(number, divisor) | |
| number % divisor == 0 | |
| end | |
| def CracklePop(number) | |
| return 'CracklePop' if can_be_divided_by_fifteen?(number) | |
| return 'Pop' if can_be_divided_by_five?(number) | |
| return 'Crackle' if can_be_divided_by_three?(number) | |
| number | |
| end |
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| require 'CracklePop' | |
| describe 'CracklePop' do | |
| context 'it knows that a number can be divided by' do | |
| it '3' do | |
| expect(can_be_divided_by_three?(3)).to be_truthy | |
| end | |
| it '5' do | |
| expect(can_be_divided_by_five?(5)).to be_truthy | |
| end | |
| it '15' do | |
| expect(can_be_divided_by_fifteen?(15)).to be_truthy | |
| end | |
| end | |
| context 'it knows that a number cannot be divided by' do | |
| it '3' do | |
| expect(can_be_divided_by_three?(1)).to be_falsey | |
| end | |
| it '5' do | |
| expect(can_be_divided_by_five?(1)).to be_falsey | |
| end | |
| it '15' do | |
| expect(can_be_divided_by_fifteen?(1)).to be_falsey | |
| end | |
| end | |
| context 'when playing the game I am returned' do | |
| it 'the number' do | |
| expect(CracklePop(1)).to eq 1 | |
| end | |
| it 'Crackle' do | |
| expect(CracklePop(3)).to eq 'Crackle' | |
| end | |
| it 'Pop' do | |
| expect(CracklePop(5)).to eq 'Pop' | |
| end | |
| it 'CracklePop' do | |
| expect(CracklePop(15)).to eq 'CracklePop' | |
| end | |
| end | |
| end | |
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