file.feature

Given a "XBox" with a price of "250€"
When I ask for the catalogue
Then I can see in the catalogue a "XBox" with a price of "250€"

given_and_when.rb

Given /^a "([^"]*)" with a price of "([^"]*)"$/ do |product, price|
  Product.create(:name => product, :price => price)
end

When /^I ask for the catalogue$/ do
  visit products_path
  click_link "Catalogue"
end

then_excel.rb

Then /^I can see in the catalogue a "([^"]*)" with a price of "([^"]*)"$/ do |product, price|
  first_row(page.body).should =~ Regexp.new("#{product} - #{price}")
end

def first_row(stream)
  #Stuff to read an excel file
  #Stuff to get the first line of the excel spreadsheet
end

then_plain_text.rb

Then /^I can see in the catalogue a "([^"]*)" with a price of "([^"]*)"$/ do |product, price|
  page.body.should =~ Regexp.new("#{product} - #{price}")
end