Download Ruby and Rails from a .NET perspective

Ruby and Rails
From a
perspective
James Crisp
.NET Practice Lead
ThoughtWorks Australia
James Crisp
Runtimes
MRI
IronRuby
Console Demo
public class CSharpDemo : Demo
{
public void SayHello()
{
for (int i=0; i<5; i++)
{
Console.WriteLine(“Hi from C#!”);
}
}
public IEnumerable<string> Greet(
IEnumerable<guest> guests)
{
return guests.Select(g => “Welcome”
+ g.Name);
}
}
class RubyDemo < Demo
def say_hello
5.times { puts “Hi from Ruby!” }
end
def greet(guests)
guests.collect { |g| “Welcome #{g.name}” }
end
end
>> RubyDemo.new.greet(fred, tina)
=> [“Welcome Fred”, “Welcome Tina”]
Tools and
Frameworks
c:\> gem install rails
Rake
desc “Generate application code”
task :code_gen do
# do the code generation
end
desc “Compile code”
task :compile => [:code_gen] do
#do the compilation
end
desc “Test application”
task :test => [:compile] do
# run the tests
end
Capistrano
desc "Start ferret server"
task :start, :role => :app do
run "cd #{current_path}; script/ferret_server -e #{stage} start"
end
desc "Stop ferret server"
task :stop, :role => :app do
run "cd #{current_path}; script/ferret_server -e #{stage} stop"
end
RSpec
describe User do
it "should be in any roles assigned to it" do
user = User.new
user.assign_role("assigned role")
user.should be_in_role("assigned role")
end
...
end
Routing
Table
Controller
Method
Model
View
Rails Project
Demo
See also...
Rails & screencasts
http://rubyonrails.org
Ruby / Rails API
http://gotapi.com
John Lam's blog for Iron Ruby
http://www.iunknown.com/
Slides for this talk
http://www.jamescrisp.org
Image References
http://upload.wikimedia.org/wikipedia/en/2/27/Microsoft_.NET_Logo.png - .net logo
http://en.wikipedia.org/wiki/Image:Ruby-(programming-language)-logo-2008.png
http://www.pragprog.com/images/covers/original/rails3.jpg – agile development with rails
http://flickr.com/photos/rrrodrigo/2394122680/ - Matz
http://flickr.com/photos/maguisso/1028956186/ - Ruby book
http://media.xircles.codehaus.org/_projects/jruby/_logos/medium.png – JRuby logo
http://www.atdot.net/yarv/ - YARV logo
http://www.ironruby.net/@api/deki/site/logo.png – IronRuby logo
Questions?