#30 add cucumber-rails

config/cucumber.yml

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+<%
+rerun = File.file?('rerun.txt') ? IO.read('rerun.txt') : ""
+rerun_opts = rerun.to_s.strip.empty? ? "--format #{ENV['CUCUMBER_FORMAT'] || 'progress'} features" : "--format #{ENV['CUCUMBER_FORMAT'] || 'pretty'} #{rerun}"
+std_opts = "--format #{ENV['CUCUMBER_FORMAT'] || 'pretty'} --strict --tags ~@wip"
+%>
+default: <%= std_opts %> features
+wip: --tags @wip:3 --wip features
+rerun: <%= rerun_opts %> --format rerun --out rerun.txt --strict --tags ~@wip

features/home_page.feature

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+# features/home_page.feature
+Feature: Home page
+
+Scenario: Viewing application's home page
+When I am on the homepage
+Then I should see the title as "VideoBay"

features/step_definitions/home_page_steps.rb

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+When(/^I am on the homepage$/) do
+  visit root_path # Write code here that turns the phrase above into concrete actions
+end
+
+Then(/^I should see the title as "([^"]*)"$/) do |arg1|
+  # Write code here that turns the phrase above into concrete actions
+  assert page.has_content?(arg1)
+  # assert page.has_css?('a.navbar-brand.' + arg1)
+end

features/support/env.rb

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+# IMPORTANT: This file is generated by cucumber-rails - edit at your own peril.
+# It is recommended to regenerate this file in the future when you upgrade to a
+# newer version of cucumber-rails. Consider adding your own code to a new file
+# instead of editing this one. Cucumber will automatically load all features/**/*.rb
+# files.
+
+require 'cucumber/rails'
+
+# Capybara defaults to CSS3 selectors rather than XPath.
+# If you'd prefer to use XPath, just uncomment this line and adjust any
+# selectors in your step definitions to use the XPath syntax.
+# Capybara.default_selector = :xpath
+
+# By default, any exception happening in your Rails application will bubble up
+# to Cucumber so that your scenario will fail. This is a different from how
+# your application behaves in the production environment, where an error page will
+# be rendered instead.
+#
+# Sometimes we want to override this default behaviour and allow Rails to rescue
+# exceptions and display an error page (just like when the app is running in production).
+# Typical scenarios where you want to do this is when you test your error pages.
+# There are two ways to allow Rails to rescue exceptions:
+#
+# 1) Tag your scenario (or feature) with @allow-rescue
+#
+# 2) Set the value below to true. Beware that doing this globally is not
+# recommended as it will mask a lot of errors for you!
+#
+ActionController::Base.allow_rescue = false
+
+# Remove/comment out the lines below if your app doesn't have a database.
+# For some databases (like MongoDB and CouchDB) you may need to use :truncation instead.
+begin
+  DatabaseCleaner.strategy = :transaction
+rescue NameError
+  raise "You need to add database_cleaner to your Gemfile (in the :test group) if you wish to use it."
+end
+
+# You may also want to configure DatabaseCleaner to use different strategies for certain features and scenarios.
+# See the DatabaseCleaner documentation for details. Example:
+#
+#   Before('@no-txn,@selenium,@culerity,@celerity,@javascript') do
+#     # { :except => [:widgets] } may not do what you expect here
+#     # as Cucumber::Rails::Database.javascript_strategy overrides
+#     # this setting.
+#     DatabaseCleaner.strategy = :truncation
+#   end
+#
+#   Before('~@no-txn', '~@selenium', '~@culerity', '~@celerity', '~@javascript') do
+#     DatabaseCleaner.strategy = :transaction
+#   end
+#
+
+# Possible values are :truncation and :transaction
+# The :transaction strategy is faster, but might give you threading problems.
+# See https://github.com/cucumber/cucumber-rails/blob/master/features/choose_javascript_database_strategy.feature
+Cucumber::Rails::Database.javascript_strategy = :truncation
+

lib/tasks/cucumber.rake

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+# IMPORTANT: This file is generated by cucumber-rails - edit at your own peril.
+# It is recommended to regenerate this file in the future when you upgrade to a
+# newer version of cucumber-rails. Consider adding your own code to a new file
+# instead of editing this one. Cucumber will automatically load all features/**/*.rb
+# files.
+
+
+unless ARGV.any? {|a| a =~ /^gems/} # Don't load anything when running the gems:* tasks
+
+vendored_cucumber_bin = Dir["#{Rails.root}/vendor/{gems,plugins}/cucumber*/bin/cucumber"].first
+$LOAD_PATH.unshift(File.dirname(vendored_cucumber_bin) + '/../lib') unless vendored_cucumber_bin.nil?
+
+begin
+  require 'cucumber/rake/task'
+
+  namespace :cucumber do
+    Cucumber::Rake::Task.new({:ok => 'test:prepare'}, 'Run features that should pass') do |t|
+      t.binary = vendored_cucumber_bin # If nil, the gem's binary is used.
+      t.fork = true # You may get faster startup if you set this to false
+      t.profile = 'default'
+    end
+
+    Cucumber::Rake::Task.new({:wip => 'test:prepare'}, 'Run features that are being worked on') do |t|
+      t.binary = vendored_cucumber_bin
+      t.fork = true # You may get faster startup if you set this to false
+      t.profile = 'wip'
+    end
+
+    Cucumber::Rake::Task.new({:rerun => 'test:prepare'}, 'Record failing features and run only them if any exist') do |t|
+      t.binary = vendored_cucumber_bin
+      t.fork = true # You may get faster startup if you set this to false
+      t.profile = 'rerun'
+    end
+
+    desc 'Run all features'
+    task :all => [:ok, :wip]
+
+    task :statsetup do
+      require 'rails/code_statistics'
+      ::STATS_DIRECTORIES << %w(Cucumber\ features features) if File.exist?('features')
+      ::CodeStatistics::TEST_TYPES << "Cucumber features" if File.exist?('features')
+    end
+
+    task :annotations_setup do
+      Rails.application.configure do
+        if config.respond_to?(:annotations)
+          config.annotations.directories << 'features'
+          config.annotations.register_extensions('feature') { |tag| /#\s*(#{tag}):?\s*(.*)$/ }
+        end
+      end
+    end
+  end
+  desc 'Alias for cucumber:ok'
+  task :cucumber => 'cucumber:ok'
+
+  task :default => :cucumber
+
+  task :features => :cucumber do
+    STDERR.puts "*** The 'features' task is deprecated. See rake -T cucumber ***"
+  end
+
+  # In case we don't have the generic Rails test:prepare hook, append a no-op task that we can depend upon.
+  task 'test:prepare' do
+  end
+
+  task :stats => 'cucumber:statsetup'
+
+  task :notes => 'cucumber:annotations_setup'
+rescue LoadError
+  desc 'cucumber rake task not available (cucumber not installed)'
+  task :cucumber do
+    abort 'Cucumber rake task is not available. Be sure to install cucumber as a gem or plugin'
+  end
+end
+
+end

script/cucumber

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+#!/usr/bin/env ruby
+
+vendored_cucumber_bin = Dir["#{File.dirname(__FILE__)}/../vendor/{gems,plugins}/cucumber*/bin/cucumber"].first
+if vendored_cucumber_bin
+  load File.expand_path(vendored_cucumber_bin)
+else
+  require 'rubygems' unless ENV['NO_RUBYGEMS']
+  require 'cucumber'
+  load Cucumber::BINARY
+end