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Description

CodeBreaker breaks a line of Ruby code into its receiver classes and the methods that are called on them.

The idea behind this is to make global lines of code like the following one testable:

sum = Rational(2, 3) + 4

By breaking down this line into the receiver classes and called methods you can check e.g. whether a code snippet assigns the sum of a Rational and an Integer to a variable with the name sum.

Testing global code snippets might be important for testing the code of simple programming tasks in learning tools like Daigaku.

Monthly Downloads: 335
Programming language: Ruby
License: MIT License
Latest version: v1.0.0

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README

CodeBreaker

Build Status Gem Version

CodeBreaker breaks a line of Ruby code into its receiver classes and the methods that are called on them.

The idea behind this is to make global lines of code like the following one testable:

sum = Rational(2, 3) + 4

By breaking down this line into the receiver classes and called methods you can check e.g. whether a code snippet assigns the sum of a Rational and an Integer to a variable with the name sum.

Testing global code snippets might be important for testing the code of simple programming tasks in learning tools like Daigaku.

Installation

Add this line to your application's Gemfile:

gem 'code_breaker'

And then execute:

$ bundle

Or install it yourself as:

$ gem install 'code_breaker'

Usage

You can break a Ruby code snippet into its receivers and called method:

require 'code_breaker'

code_snippet = 'crazy_number = Rational(3, 5) + 42 - Complex(2.3, 6.4) * 1.2'
CodeBreaker.parse(code_snippet)
# => {:lvasgn=>[:crazy_number, [Rational, :+, Integer, :-, Complex, :*, Float]]}

code_snippet = '"hello" + "World"'
CodeBreaker.parse(code_snippet)
# => [String, :+, String]

You can also use the Parser class directly:

code_snippet = '"hello" + "World"'

parser = CodeBreaker::Parser.new(code_snippet)
parser.run
# => [String, :+, String]

parser.output
# => [String, :+, String]

parser.input
# => "\"hello\"+\"world\""

Implemented syntax

For an overview of the implemented syntax and examples for certain parsed Ruby statement please see the project's Wiki.

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/daigaku-ruby/code_breaker. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.


*Note that all licence references and agreements mentioned in the CodeBreaker README section above are relevant to that project's source code only.