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Home » Eclipse Projects » Dynamic Languages Toolkit (DLTK) » STEPS TO: Setup Ruby Debugging AND Minitest(In these 7 steps you can get ruby working and debuggin in eclipse)
icon3.gif  STEPS TO: Setup Ruby Debugging AND Minitest [message #631871] Sat, 09 October 2010 08:28 Go to next message
michelle  is currently offline michelle
Messages: 87
Registered: April 2010
Location: South Africa
Member
hi there, I struggled to get the debugger working for my ruby code. As well as unit testing working. I wanted to use ruby 1.9 but it appears the the ide debugger for this version does not work. That's the only reason I've use ruby 1.8.7

I have listed the steps i followed below in case anyone else is struggling. I stick all my development tools in a folder C:\devtools\ ...but you can use what you want.

Quote:

1. Install rubyinstaller-1.8.7-p302.exe into "C:\devtools\ruby187" from http://rubyinstaller.org/downloads/
(ensure "C:\devtools\Ruby187\bin" is added to PATH)

2. Install DevKit-4.5.0-20100819-1536-sfx.exe from http://rubyinstaller.org/downloads/ into "C:\devtools\RubyDevKit"
(follow instructions http://github.com/oneclick/rubyinstaller/wiki/Development-Ki t)

3. From your command prompt, type: gem install ruby-debug

4. And then: gem install minitest

5. And now type: gem list --local to ensure you have these gems installed:
*** LOCAL GEMS ***
columnize (0.3.1)
linecache (0.43)
minitest (1.7.2)
rake (0.8.7)
rdiscount (1.6.5)
ruby-debug (0.10.3)
ruby-debug-base (0.10.3)
ruby-debug-ide (0.4.10)

6. In Eclipse, install software from the DLTK site: http://download.eclipse.org/technology/dltk/updates/
Dynamic Langauges Toolkit - Core Frameworks
Dynamic Langauges Toolkit - Core Frameworks SDK
Dynamic Langauges Toolkit - Ruby Development Tools
Dynamic Langauges Toolkit - Ruby Development Tools SDK

7. Eclipse > Window > Preferences > Ruby > Interpreters > ...add and check C:\devtools\Ruby187\bin\ruby.exe


You should be able to write ruby code now as well as run the debugger within Eclipse.

Below is a simple minitest setup should you want to get into unit testing / test driven development:

require 'rubygems'
require 'Roman'

gem 'minitest'
require 'minitest/unit'

MiniTest::Unit.autorun

class TestRoman < MiniTest::Unit::TestCase
  def test_simple
    assert_equal("i", Roman.new(1).to_s)
    assert_equal(5,6)
  end
end


Which is testing this class:
# NOTE: This code has bugs!
class Roman
  MAX_ROMAN = 4999
  def initialize(value)
    if value <= 0 || value > MAX_ROMAN
      fail "Roman values must be > 0 and <= #{MAX_ROMAN}"
    end
    @value = value
  end
  FACTORS = [["m", 1000], ["cm", 900], ["d", 500], ["cd", 400],
    ["c", 100], ["xc", 90], ["l", 50], ["xl", 40],
    ["x", 10], ["ix", 9], ["v", 5], ["iv", 4],
    ["i", 1]]

  def to_s
    value = @value
    roman = ""
    for code, factor in FACTORS
      count, value = value.divmod(factor)
      roman << code unless count.zero?
    end
    roman
  end
end


Feel free to add comments / updates / improvements. But the above worked for me.

Cheers, Michelle

[Updated on: Sat, 09 October 2010 08:36]

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icon14.gif  Re: STEPS TO: Setup Ruby Debugging AND Minitest [message #633374 is a reply to message #631871] Sun, 17 October 2010 00:43 Go to previous message
Bruce Benson is currently offline Bruce Benson
Messages: 1
Registered: October 2010
Junior Member
Thanks. This got my ruby debugger up and running in Eclipse.

Bruce
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