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For every cucumber project there is a single directory at the root of the project named "features". This is where all of your cucumber features will reside. In this directory you will find additional directories, which is step_definition and support directories

What is "Feature File"?

Feature File consist of following components -

  • Feature: A feature would describe the current test script which has to be executed.
  • Scenario: Scenario describes the steps and expected outcome for a particular test case.
  • Scenario Outline: Same scenario can be executed for multiple sets of data using scenario outline. The data is provided by a tabular structure separated by (I I).
  • Given: It specifies the context of the text to be executed. By using datatables "Given", step can also be parameterized.
  • When: "When" specifies the test action that has to performed
  • Then: The expected outcome of the test can be represented by "Then"

Example:

Feature: Visit career guide page in career.guru99.com

Scenario : Visit career.guru99.com

Given: I am on career.guru99.com

When: I click on career guide menu

Then: I should see career guide page

Cucumber Basics

What is "Step Definition"

Step definition maps the Test Case Steps in the feature files(introduced by Given/When/Then) to code. It will execute the steps on Application Under Test and checks the outcomes against expected results. For a step definition to be executed, it must match the given compoent in a feature. Step definition is defined in ruby files under "features/step_definitions/*_steps.rb".

Example for Step Definition: Here we will above example of browsing career.guru99.com do We will use features like "When, Then, Given "

	Step 1:

	Given (/^ I am on career.guru99.com$/) do

	Browser.goto "http://career.guru99.com" -This will visit career.guru99 on browser

	end

	Step 2:
	When (/^ click on career guide menu$/) do

	Browser.text (:name, " career guide" ).click – This will click "career guide menu"

	end
	
	Step 3:

	Then (/^ I should see career guide page$/) do

	Browser.goto "http://career.guru99.com/category/career-guide/" - It will visit "career guide page"

	end

Summary:

  • You need 2 Files – Features and Step Definition to execute a Cucmber test scenario
  • Features file contain high level description of the Test Scenario in simple language
  • Steps Definition file contains the actual code to execute the Test Scenario in the Features file.