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Ruby module R221
Introduction to Cucumber
Exercises, examples and other material relating to training module R221. This module is presented on Private Courses and Specially Run Courses only




Articles and tips on this subjectupdated
4552Scenario outlines - tables of values to test - in Gherkin / Cucumber
Rather that writing large numbers of scenarios in Gherkin, we can write Scenario Outlines and then supply Example rows of data to fill in to those outlines - a great way of specifying a series of similar behaviours - a list of "if I do aaa with the value x then I get the result y" statements where x ...
2015-10-23
 
4551Testing your new class - first steps with cucumber
A recent article ([here]) showed you how we build up a series of classes, each with their own piece of test code, into applications. It's all very well putting a piece of test code in the bottom of our class definition file - and that's a useful thing to do - but it's just a single test, and it doesn't ...
2015-10-23
 
4386Guide exercise to help you learn Gherkin, Cucumber and Rspec
During today's Ruby course, I moved on to Cucumber and Gherkin very quickly - for a private course with delegates looking to using Behaviour Driven Development as the core of their work. Ruby's basics were covered first - variables, calculations, conditionals and loops. Then we moved on to functions, ...
2015-01-06
 
4384Installing Cucumber on Ubuntu - cannot load such file -- mkmf (LoadError) message
This week, I'm doing Ruby training using Ubuntu Linux ... and I'm running (at customer's request) in a heaviliy Behaviour Driven Development mode using Cucumber. This note is to share with an installation problem ... easily fixed once you know how. Problem:   root@caerphilly:~# gem install ...
2015-01-06
 
4383Improved test in Cucumber with RSpec
  Articles in this "Introduction to Cucumber" series: [link] - Installing Cucumber for Ruby [link] - Hello Test Cucumber World [link] - First real tests / second example [link] - Improved tests with RSpec   pass and fail tests are very basic - so we can use other Ruby gems (such as Rspec) ...
2015-01-03
 
4382Second step Cucumber and Gherkin - beyond Hello World
  Articles in this "Introduction to Cucumber" series: [link] - Installing Cucumber for Ruby [link] - Hello Test Cucumber World [link] - First real tests / second example [link] - Improved tests with RSpec   Let's look at an example where I calculate a train's capacity in a class, based on ...
2015-01-03
 
4381Installing Cucumber (Ruby)
  Articles in this "Introduction to Cucumber" series: [link] - Installing Cucumber for Ruby [link] - Hello Test Cucumber World [link] - First real tests / second example [link] - Improved tests with RSpec   Cucumber is a behaviour driven development tool written in Ruby, and primarily (but ...
2015-01-03
 
4380Behaviour Driven Development / Ruby and Cucumber
  Articles in this "Introduction to Cucumber" series: [link] - Installing Cucumber for Ruby [link] - Hello Test Cucumber World [link] - First real tests / second example [link] - Improved tests with RSpec   You write code to meet a requirement. The requirement is that it behaves in a certain ...
2015-01-03
 
Examples from our training material
capacity.feature   Feature - Scenario, Given, When and Then
greet.rb   Code to implement a behaviour
hello.feature   Feature description - in Gherkin for Cucumber
hello_steps.rb   How the behaviour is to be tested
second_steps.rb   Step implementation of second scenario
station.feature   Scenario outline / table of example values
station_steps.rb   Steps for scenario outline example
third_steps.rb   Step implementation of third scenario - using RSpec
train.rb   Code to implement a behaviour / second example
Background information
Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from [here].
Topics covered in this module
Given, When and Then.
Where Cucumber fits - RSpec, Test::Unit, watir-webdriver, Capybara, and Gherkin
Hello Behaviour Driven Ruby Objects.
Acceptance criteria.
Scenarios.
Step definitions.
how to write better scenarios.
Complete learning
If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

Well House Consultants specialise in training courses in Ruby, Lua, Python, Perl, PHP, and MySQL. We run Private Courses throughout the UK (and beyond for longer courses), and Public Courses at our training centre in Melksham, Wiltshire, England. It's surprisingly cost effective to come on our public courses - even if you live in a different country or continent to us.

We have a technical library of over 700 books on the subjects on which we teach. These books are available for reference at our training centre.


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