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Improved 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) to provide shorter and more flexible checking within our tests. Beware - installing rspec on my system replaced rather than supplemented the previous tests.

  WomanWithCat:cuc grahamellis$ sudo gem install rspec
  Password:
  Fetching: rspec-support-3.1.2.gem (100%)
  Successfully installed rspec-support-3.1.2
  Fetching: rspec-core-3.1.7.gem (100%)
  Successfully installed rspec-core-3.1.7
  Fetching: rspec-expectations-3.1.2.gem (100%)
  Successfully installed rspec-expectations-3.1.2
  Fetching: rspec-mocks-3.1.3.gem (100%)
  Successfully installed rspec-mocks-3.1.3
  Fetching: rspec-3.1.0.gem (100%)
  Successfully installed rspec-3.1.0
  Parsing documentation for rspec-support-3.1.2
  Installing ri documentation for rspec-support-3.1.2
  Parsing documentation for rspec-core-3.1.7
  Installing ri documentation for rspec-core-3.1.7
  Parsing documentation for rspec-expectations-3.1.2
  Installing ri documentation for rspec-expectations-3.1.2
  Parsing documentation for rspec-mocks-3.1.3
  Installing ri documentation for rspec-mocks-3.1.3
  Parsing documentation for rspec-3.1.0
  Installing ri documentation for rspec-3.1.0
  5 gems installed
  WomanWithCat:cuc grahamellis$


To use Rspec, my step implementation now includes

  require 'rspec/expectations'

and I have replaced the "if xxxx pass else fail end" structure with

  expect(@capacity).to equal(arg1.to_i)

You may find on older installations you'll use

  @capacity.should == arg1.to_i

instead, but that has been deprecated and is inefficient as it requires a should method on every object!

See complete file [here].
(written 2015-01-03)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
R211 - Ruby - RSpec
  [4681] Ruby testing with RSpec - a new example - (2016-05-19)
  [4579] Behaviour and test driven development in Ruby using RSpec - (2015-11-21)
  [4544] RSpec - Ruby testing (stand alone example / no cucumber) - (2015-10-17)
  [4386] Guide exercise to help you learn Gherkin, Cucumber and Rspec - (2015-01-06)

R221 - Ruby - Introduction to Cucumber
  [4552] Scenario outlines - tables of values to test - in Gherkin / Cucumber - (2015-10-23)
  [4551] Testing your new class - first steps with cucumber - (2015-10-23)
  [4384] Installing Cucumber on Ubuntu - cannot load such file -- mkmf (LoadError) message - (2015-01-04)
  [4382] Second step Cucumber and Gherkin - beyond Hello World - (2015-01-03)
  [4381] Installing Cucumber (Ruby) - (2015-01-03)
  [4380] Behaviour Driven Development / Ruby and Cucumber - (2015-01-02)


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Installing Cucumber on Ubuntu - cannot load such file -- mkmf (LoadError) message
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Regression Testing my website - Cucumber and Watir
A booking that looks too good to be true? It probably is too good to be true!
Improved test in Cucumber with RSpec
Well House Consultants / Well House Manor - Prices for 2015
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