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Cucumber Cookbook

By : Shankar Garg
Book Image

Cucumber Cookbook

By: Shankar Garg

Overview of this book

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Cucumber Cookbook
Shankar Garg
Jun, 2015 | 162 pages
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Table of Contents (13 chapters)
Cucumber Cookbook
Cucumber Cookbook
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Writing Feature Files
Writing Feature Files
Introduction
Writing your first Feature file with one Scenario
Creating Scenarios with different Steps
Creating a Scenario with the And and But keywords
Writing a Feature file with multiple Scenarios
Adding Backgrounds to Feature files
Sending multiple arguments in Steps
Using complex data types to store data
Implementing Scenario Outlines
Creating a Feature file in a language other than English
Combining Scenarios, Backgrounds, and Scenario Outlines
2
Creating Step Definitions
Creating Step Definitions
Introduction
Creating your first Step Definitions file
Identifying Duplicate and Ambiguous Step Definitions
Using Regular Expressions to optimize Step Definitions
Using Optional Capture and Noncapture Groups
Transforming Data Tables to parse the test data
Implementing data table diffs to compare tables
Using Doc Strings to parse big data as one chunk
Combining Doc Strings and Scenario Outlines
Defining String transformations for better conversions
3
Enabling Fixtures
Enabling Fixtures
Introduction
Tagging
ANDing and ORing Tags
Adding Hooks to Cucumber code
Tagging the Hooks
ANDing and ORing tagged Hooks
4
Configuring Cucumber
Configuring Cucumber
Introduction
Integrating Cucumber with JUnit
Overriding the Cucumber Options
Running Strict and Running Dry
Configuring the Cucumber Console output
Directing the Cucumber output to a file
Configuring the naming conventions
5
Running Cucumber
Running Cucumber
Introduction
Integrating Cucumber with Maven
Running Cucumber from the Terminal
Overriding Options from the Terminal
Integrating Cucumber with Jenkins and GitHub
Running Cucumber test cases in parallel
6
Building Cucumber Frameworks
Building Cucumber Frameworks
Introduction
Building a Web Automation framework
Building a Mobile Automation framework
Building a REST Automation framework
Index
Index

Creating your first Step Definitions file

Now let's assume you are an automation developer and you have to implement automated test cases for a Feature file. The next Step in this direction would be to write the Step Definitions for this Feature file. So, how do we write Step Definitions in a Cucumber project? Let's see how to do this in this recipe.

How to do it…

The easiest way to create Step Definitions is to let Cucumber take care of it. The Steps are as follows:

  1. Here is the Feature file used in our previous chapter. Let's use this Feature file to create our first Step Definitions:

    Feature: login Page
  In order to test login page
  As a Registered user
  I want to specify the login conditions

  Scenario: checking pre-condition, action and results
    Given user is on Application landing page
    When user clicks Sign in button
    Then user is on login screen

  2. When you save the Feature file and run (either via Eclipse or via a Terminal), Cucumber is going to give errors for the missing Step...

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