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exercism fetch ruby two-fer

Two Fer

Two-fer or 2-fer is short for two for one. One for you and one for me.

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"One for X, one for me."

When X is a name or "you".

If the given name is "Alice", the result should be "One for Alice, one for me." If no name is given, the result should be "One for you, one for me."

Test-Driven Development

As programmers mature, they eventually want to test their code.

Here at Exercism we simulate Test-Driven Development (TDD), where you write your tests before writing any functionality. The simulation comes in the form of a pre-written test suite, which will signal that you have solved the problem.

It will also provide you with a safety net to explore other solutions without breaking the functionality.

A typical TDD workflow on Exercism:

  1. Run the test file and pick one test that's failing.
  2. Write some code to fix the test you picked.
  3. Re-run the tests to confirm the test is now passing.
  4. Repeat from step 1.
  5. Submit your solution (exercism submit /path/to/file)

Instructions

Submissions are encouraged to be general, within reason. Having said that, it's also important not to over-engineer a solution.

It's important to remember that the goal is to make code as expressive and readable as we can.

Running the tests

For running the tests provided, you will need the Minitest gem. Open a terminal window and run the following command to install minitest:

gem install minitest

If you would like color output, you can require 'minitest/pride' in the test file, or note the alternative instruction, below, for running the test file.

In order to run the test, you can run the test file from the exercise directory.

ruby two_fer_test.rb

To include color from the command line:

ruby -r minitest/pride two_fer_test.rb

Further information

For more detailed information about the Ruby track, including how to get help if you're having trouble, please visit the exercism.io Ruby language page.

Source

This is an exercise to introduce users to basic programming constructs, just after hello World. https://en.wikipedia.org/wiki/Two-fer

Submitting Incomplete Solutions

It's possible to submit an incomplete solution so you can see how others have completed the exercise.