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Instant Cucumber BDD How-to by Wayne Ye

By Wayne Ye

A brief and fast consultant to gaining knowledge of behavior-driven software program improvement with Cucumber


  • Learn whatever new instantly! a quick, speedy, targeted consultant offering instant results.
  • A step by step technique of constructing a true venture in a BDD-style utilizing Cucumber
  • Pro assistance for writing Cucumber positive aspects and steps
  • Introduces a few renowned and important third-party gem stones used with Cucumber

In Detail

Cucumber is a habit pushed layout framework, which permits a developer to write down specification checks which then assessments that this system works because it may still. it's a diverse improvement paradigm, because it comprises writing what this system may still do first, then you definately enhance till it passes the tests.

Instant Cucumber BDD How-to will hide fundamentals of Cucumber in a Behaviour pushed improvement (BDD) variety and clarify the essence of Cucumber, describe the way to write Cucumber beneficial properties to force improvement in a true venture, and in addition describe many professional tips for writing reliable Cucumber positive factors and steps. Cucumber is a truly enjoyable and funky instrument for writing automatic popularity assessments to help software program improvement in a Behaviour pushed improvement (BDD) style.

Instant Cucumber BDD How-to will spotlight Cucumber's relevant function in a improvement method referred to as Behaviour pushed improvement (BDD), describe tips on how to write Cucumber beneficial properties to force improvement in a true venture, and at last introduce a few recognized third-party libraries used inline with Cucumber.

It will assist you to perform the entire projects linked to BDD utilizing Cucumber and write simple Cucumber steps. it is going to help you in utilizing professional tips for writing expressive Gherkin and enforce directions for writing DRY steps. you will the way to use Cucumber's Gherkin to explain the habit consumers wish from the method in a simple language.

What you'll research from this book

  • Understand crucial ideas of TDD and BDD
  • Write easy Cucumber steps and get it running
  • Learn simple wisdom of writing Cucumber tests
  • Create behavior-driven genuine tasks utilizing Cucumber
  • Use professional tips for writing expressive Gherkin
  • Implement guidance for writing DRY steps
  • Explore a few well known and precious third-party gem stones used with Cucumber


Filled with functional, step by step directions and transparent causes for crucial and helpful projects. This common How-to consultant explains the essence of Cucumber, describing the right way to write Cucumber beneficial properties to force improvement in a true venture, and likewise describe many professional assistance for writing strong Cucumber good points and steps.

Who this e-book is written for

Instant Cucumber BDD How-to is superb for an Agile software program improvement workforce that desires to undertake a behaviour-driven method utilizing Cucumber. It assumes that the workforce is passionate in lowering verbal exchange gaps among builders and product managers, making sure the improvement is usually on target and constantly interested in minimal marketable value.

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Extra info for Instant Cucumber BDD How-to

Sample text

To_i) end The functionalities of Factory_Girl are far more than we demonstrated previously. md). Whenever we need prepare data for testing, Factory_Girl is our friend! Alternatives to Factory_Girl are Machinist, Fabrication, and so on. 51 Instant Cucumber BDD How-to Pickle Pickle collaborates with the object created/built from Factory_Girl (or Machinist, Fabrication, or ActiveRecord objects) and generates many useful steps to help us write Cucumber easily and efficiently as follows: 1. Firstly we bootstrap Pickle to our project: $ rails generate pickle --path 2.

WebMock is the tool to help! It stubs at a low HTTP client lib level, and it supports many popular Ruby HTTP libraries such as Net::HTTP, Patron, and Typhoeus. com, and we expect it to return the content we want. to_return (:body => "My expected content") ff For another example, we expect our code to submit an HTTP POST request with the expected body to a third-party website. As long as the POST request is submitted with the correct content, the rest of the stuff belongs to a third party. with(:body => "My expected content", :header => "Content-Type: application/json") Another example is that we expect our code to communicate with the GitHubOAuth API and acquire the user's authorization.

Now it is time to write real code which is driven by the preceding described behavior code. ' } %>

<% end %>

<%= link_to 'New Post', new_post_path %> 6. feature. It passed, yeah! 30 Instant Cucumber BDD How-to Story #3: As a blog owner, I can edit my blog posts 1. feature: Feature: Edit blog As a blog owner I can edit my blog posts Scenario: Edit blog Given there is a post with title "Dummy post" and content "Dummy content" And I am on the blog homepage When I edit this post And I update title to "Updated title" and content to "Updated content" Then I can see it has been updated 2.

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