Presentation given at October 2009 London Ruby User Group on three gems I have written: Numerouno - English natural language parser Baldrick - framework for readying RSS feeds and other sources to hack things together Bumps - remote feature management for Cucumber

1. GemsI made some
Brent Snook
http://skillsmatter.com/podcast/ajax-ria/a-trio-of-gems
Friday, 16 October 2009

2. Brent who?
• Agile weenie from Melbourne,
Australia
• known to use Java when cornered
• available for dev, coaching, children’s
parties
• fuglylogic.com
• brentsnook
Friday, 16 October 2009

3. Numerouno
http://github.com/brentsnook/
numerouno
Friday, 16 October 2009

4. parse a number
require 'numerouno'
'five billion and forty two apples'.as_number
=> 5000000042
'65'.as_number
=> 65
require 'numerouno-parsing'
Numerouno.parse 'one hundred and ten things'
Friday, 16 October 2009

5. replace numbers
require 'numerouno'
'two bit varmint'.sub_numbers
=> '2 bit varmint'
require 'numerouno-parsing'
Numerouno.replace '2 bit varmint'
Friday, 16 October 2009

6. Cucumber steps
require 'numerouno'
Then /the meaning of life is (.+)/ do |number|
42.should == number.as_number
end
Then the meaning of life is forty two
Then the meaning of life is 42
Friday, 16 October 2009

7. Baldrick
http://github.com/brentsnook/
baldrick
Friday, 16 October 2009

8. inspired by
Friday, 16 October 2009

9. cuppa.rb
require 'rubygems'
require 'baldrick_serve'
feed_url = 'http://search.twitter.com/search.atom?q=cup+of'
listen_to :feed, :at => feed_url
on_hearing /cup of (.*?)[.,]/ do |beverage, order|
puts "#{order[:who]} would like a cup of #{beverage}"
end
Friday, 16 October 2009

10. orders
=== brent on commodore64.:43215 ===
* [25-Feb-2009 10:17 PM] I’d like a
cup of tea, maybe a biscuit too
Friday, 16 October 2009

11. tasks
kettle.fill
kettle.switch_on
Friday, 16 October 2009

12. cuppa.rb
require 'rubygems'
require 'baldrick_serve'
feed_url = 'http://search.twitter.com/search.atom?q=cup+of'
listen_to :feed, :at => feed_url
on_hearing /cup of (.*?)[.,]/ do |beverage, order|
puts "#{order[:who]} would like a cup of #{beverage}"
end
Friday, 16 October 2009

13. why not use it for
Friday, 16 October 2009

14. Bumps
http://github.com/brentsnook/
bumps
Friday, 16 October 2009

15. the bigger picture
?
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16. alternatives
• Remote Feature
http://github.com/mhennemeyer/remote_feature
• Pickler
http://github.com/tpope/pickler
• CucumberTFS
http://github.com/mscottford/cucumbertfs
Friday, 16 October 2009

17. configuration (env.rb)
require 'bumps'
Bumps.configure do
use_server 'http://localhost:1981'
end
Friday, 16 October 2009

18. next
?
Friday, 16 October 2009

19. images
Cucumber - http://www.flickr.com/photos/vizzzual-dot-com/2738586453/
Steps - http://commons.wikimedia.org/wiki/File:Step_Ladder.jpg
Sinatra - http://www.flickr.com/photos/t/916884/
Barrel Hitch Instructions - http://commons.wikimedia.org/wiki/File:Barrel_hitch_instructions.png
Puzzle Piece - http://commons.wikimedia.org/wiki/File:Puzzle.svg
Cup of Tea - http://www.flickr.com/photos/psd/54314099
Lava Lamp - http://commons.wikimedia.org/wiki/File:Lavalampe.jpg
Nuclear power plant - http://commons.wikimedia.org/wiki/File:Nuclear_power.JPG
Arduino - http://commons.wikimedia.org/wiki/File:Arduino-0017-512x512px.png
Bumps Sign - http://commons.wikimedia.org/wiki/File:0bnsc-109_0.svg
Wave Logo - http://commons.wikimedia.org/wiki/File:Google_Wave_logo.png
Friday, 16 October 2009