I use RSpec in all my projects. It’s really hard to overemphasize how helpful it is and how much easier becomes your life if you have good specs coverage. But its outstanding flexibility enables many ways to make your specs awful: horribly slow, over-bloated, even non-readable sometimes. I do not want to teach you BDD and RSpec here, but instead I will give you some ideas how to improve your specs quality and increase efficiency of your BDD workflow.
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В RSpec есть такая замечательная штука, как мок-объекты (mocks). В двух словах: мок-объект имитирует поведение объекта, который используется тестируемыми методами. Сразу простой пример:
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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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