Cucumber Recipes: Automate Anything with BDD Tools and by Aslak Hellesoy, Ian Dees, Matt Wynne

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By Aslak Hellesoy, Ian Dees, Matt Wynne

You can attempt absolutely anything with Cucumber. We definitely have, and in Cucumber Recipes we'll assist you to observe our hard-won box event in your personal tasks. as soon as you've mastered the fundamentals, this publication will assist you to get the main out of Cucumber--from particular events to complicated test-writing recommendation. With over 40 sensible recipes, you'll try computer, net, cellular, and server functions throughout numerous structures. This e-book delivers instruments so that you can use at the present time to automate any method that you simply come across, and do it well.

The Cucumber Book confirmed you ways your group can interact to jot down executable specifications--documents that inform a transparent tale and in addition occur to be operating try out code. We'll arm you with ready-rolled strategies to real-world difficulties: your assessments will run quicker, learn extra in actual fact, and paintings in any environment.

Our first counsel can help you slot Cucumber into your workflow. strong filters will tame tables jam-packed with try information, remodeling them into the structure your software wishes. customized output formatters will generate stories for any get together. non-stop Integration servers will run your Cucumber exams whenever the code alterations. subsequent, you'll locate recipes adapted to the platform you're working on. Ever desired to know the way to check a Grails app from Cucumber? have to placed a home windows software via its paces? How a couple of cellular app working on Android or iOS? We'll enable you do all of these.

through the publication, you'll see find out how to make Cucumber sing as you interoperate with varied structures, languages, and environments. From embedded circuits to Python and personal home page net apps, Cucumber has anything for you.

What You Need:

You'll desire uncomplicated operating wisdom of Cucumber and Ruby. person recipes can have extra specifications; for instance, a recipe on home windows automation may possibly pull in an open resource GUI driver.

We've written the recipes for compatibility with Ruby 1.9.3 and 1.8.7, plus Cucumber 1.1.4. different models may match besides, yet those are those we try out with.

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Extra info for Cucumber Recipes: Automate Anything with BDD Tools and Techniques

Example text

Cucumber Techniques • 22 Recipe 5 Define Steps as Regular Ruby Methods Problem You’d like your step definitions to be plain Ruby methods so that they’re easier to edit, test, and maintain. Ingredients • Cucumber’s built-in support for invoking Ruby methods directly21 • (Optional) Mechanize22 to run the examples with live data Solution Cucumber step definitions are pretty easy to put together. You just tie together a regular expression with a block of code. Ideally, these blocks of code should be really short—perhaps a method invocation or two and some data massaging.

The default behavior isn’t hurting us here. rb$}) { 'features' } That will just rerun all the features when you update any step definition; it’s much safer. If you had any files outside the usual Cucumber layout, such as a lib directory, you’d add them here. But this default configuration is all you’ll need for this project. Now that Guard is installed and configured, it’s time to run it. Download from Wow! com> report erratum • discuss Chapter 1. Cucumber Techniques • 44 Using Guard From your project directory, launch Guard on the command line and leave it running.

Feature Feature: Flights @group1 Scenario: Route exists Given a nonstop flight exists When I plan my trip Then I should see the nonstop options first @group2 Scenario: No route exists Given no nonstop flight exists When I plan my trip Then I should be shown connecting flights You’ll notice we’ve added @group1 and @group2 tags to the scenarios. This will make it easy to split this scenario across multiple machines later. rb and add empty step definitions to it. Then, add a delay to the middle step to simulate this long-running action.

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