January 2012
Intermediate to advanced
336 pages
8h 12m
English
Content preview from The Cucumber Book
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Running Our Program
To implement the next step, edit features/step_definitions/calculator_steps.rb so that the second step definition looks like this:
| first_taste/04/features/step_definitions/calculator_steps.rb | |
| | When /^the calculator is run$/ do |
| | @output = `ruby calc.rb #{@input}` |
| | raise('Command failed!') unless $?.success? |
| | end |
This code attempts to run our calculator program calc.rb, passing it the input we stored in the first step and storing any output in another instance variable. Then it checks a specially—but rather cryptically—named Ruby variable $? to check whether the command succeeded and raises an error if it didn’t. Remember that Cucumber fails a step if the step definition raises an error; this is the simplest way ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.