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Generating permalink from string in Ruby

Posted by Dmytro Shteflyuk on under Ruby & Rails

If you are creating Ruby on Rails application like a blog, you most probably want to generate URLs using post titles. It’s good practice, because search engines like keywords in URL, and it looks more human-readable. Just compare: http://example.com/posts/10 and http://example.com/posts/generating-permalinks-from-string (yeah, it’s long, but self-descriptive). Anyways, this is small post about converting a title to a permalink.

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JavaScript optimization Part 3: Attaching events

Posted by Dmytro Shteflyuk on under JavaScript

This is a third part of the JavaScript optimization tutorial, and today I’m going to talk about events. Sorry for a long delay between posts, I hope remaining parts would not be delayed so much.

Scenario: you have some elements and you need to add some actions to them (for example, when user moves mouse cursor over element, or clicks on elements).

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Useful helpers for RSpec mocks

Posted by Dmytro Shteflyuk on under Ruby & Rails

RSpec has great feature — mock objects (mocks). In a few words: mock object imitates behavior of the object, which used by the tested methods. And simple example immediately:

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describe UserHelper
  it 'should generate correct link to user profile in user_link' do
    @user = mock('User')
    @user.stub!(:id, 10)
    @user.stub!(:new_record?, false)
    @user.stub!(:preferred_name, 'Dmytro S.')
    @user.stub!(:full_name, 'Dmytro Shteflyuk')
    user_link(@user).should == link_to('Dmytro S.', user_url(:id => 10), :title => 'Dmytro Shteflyuk')
  end
end

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