ashishra0 / TDD-Ruby

Exploring TDD with Rspec in Ruby.

TDD with Ruby using Rspec 💻

TDD also known as Test Driven Development, is explored with the following code kata known as Fizzbuzz

Fizzbuzz specifications

• The program can be passed a number.
• When passed a number that is a multiple of 3, the program returns the message 'Fizz'.
• When passed a number that is a multiple of 5, the program returns the message 'Buzz'.
• When passed a number that is multiple of both 3 and 5, the program must ignore the previous two conditions and return 'Fizzbuzz'.
• In all other cases, the program simply returns the given number.

for ex:

(1..20).each { |number| puts #{number} --> #{fizzbuzz(number)}"}
1 --> 1
2 --> 2
3 --> fizz
4 --> 4
5 --> buzz
.....
15 --> fizzbuzz
20 --> buzz

Highly recommend to try to implement the program on your own.

TDD in a nutshell

• Step1: Write a failing test (RED)
• Step2: Write a simplest code possible to pass the test (GREEN)
• Step3: Clean up (REFACTOR)
• Step4: Repeat until all expectations have been specified.
• RED -> GREEN -> REFACTOR

Run the tests:

navigate to the directory
@mbp-13:~$ cd /lib/fizzbuzz
@mbp-13/lib/fizzbuzz:~$ rspec

for more info on TDD with Ruby. Click here.