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thoughtbot--shoulda-matchers
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Separate Cucumber step definitions and helpers so they can be shared

This commit is contained in:
Elliot Winkler 2014-09-12 16:25:00 -06:00
parent 2a4b9f1e16
commit 0de39be965
5 changed files with 141 additions and 143 deletions
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143
features/step_definitions/rails_steps.rb
View File

@ -1,19 +1,3 @@
PROJECT_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..', '..')).freeze
APP_NAME = 'testapp'.freeze
BUNDLE_ENV_VARS = %w(RUBYOPT BUNDLE_PATH BUNDLE_BIN_PATH BUNDLE_GEMFILE)
ORIGINAL_BUNDLE_VARS = Hash[ENV.select{ |key,value| BUNDLE_ENV_VARS.include?(key) }]
Before do
ENV['BUNDLE_GEMFILE'] = File.join(Dir.pwd, ENV['BUNDLE_GEMFILE']) unless ENV['BUNDLE_GEMFILE'].start_with?(Dir.pwd)
end
After do
ORIGINAL_BUNDLE_VARS.each_pair do |key, value|
ENV[key] = value
end
end
When 'I generate a new rails application' do
steps %{
When I run `bundle exec rails new #{APP_NAME} --skip-bundle`
@ -32,11 +16,6 @@ When 'I generate a new rails application' do
end
end
When /^I configure the application to use "([^\"]+)"$/ do |name|
append_to_gemfile "gem '#{name}'"
steps %{And I install gems}
end
When 'I configure the application to use Spring' do
if rails_lt_4?
append_to_gemfile "gem 'spring'"
@ -44,16 +23,6 @@ When 'I configure the application to use Spring' do
end
end
When /^I configure the application to use "([^\"]+)" from this project$/ do |name|
append_to_gemfile "gem '#{name}', path: '#{PROJECT_ROOT}'"
steps %{And I install gems}
end
When /^I configure the application to use "([^\"]+)" from this project, disabling auto-require$/ do |name|
append_to_gemfile "gem '#{name}', path: '#{PROJECT_ROOT}', require: false"
steps %{And I install gems}
end
When /^I configure the application to use "([^\"]+)" from this project in test and development$/ do |name|
append_to_gemfile <<-GEMFILE
group :test, :development do
@ -85,12 +54,6 @@ When 'I configure the application to use rspec-rails in test and development' do
steps %{And I install gems}
end
When 'I configure the application to use shoulda-context' do
append_to_gemfile %q(gem 'shoulda-context', '~> 1.2.0')
append_to_gemfile %q(gem 'pry')
steps %{And I install gems}
end
When 'I require shoulda-matchers following rspec-rails' do
insert_line_after test_helper_path,
"require 'rspec/rails'",
@ -119,109 +82,3 @@ When 'I append gems from Appraisal Gemfile' do
end
end
end
When 'I reset Bundler environment variables' do
BUNDLE_ENV_VARS.each do |key|
ENV[key] = nil
end
end
When /^I comment out the gem "([^"]*)" from the Gemfile$/ do |gemname|
comment_out_gem_in_gemfile(gemname)
end
When /^I install gems$/ do
steps %{When I run `bundle install --local`}
end
Then /^the output should indicate that (\d+) tests? (?:was|were) run/ do |number|
# Rails 4 has slightly different output than Rails 3 due to
# Test::Unit::TestCase -> MiniTest
if rails_lt_4?
steps %{Then the output should contain "#{number} tests, #{number} assertions, 0 failures, 0 errors"}
else
steps %{Then the output should match /#{number} (tests|runs), #{number} assertions, 0 failures, 0 errors, 0 skips/}
end
end
Then /^the output should indicate that (\d+) unit and (\d+) functional tests? were run/ do |n1, n2|
n1 = n1.to_i
n2 = n2.to_i
total = n1.to_i + n2.to_i
# Rails 3 runs separate test suites in separate processes, but Rails 4 does
# not, so that's why we have to check for different things here
if rails_lt_4?
steps %{Then the output should match /#{n1} tests, #{n1} assertions, 0 failures, 0 errors.+#{n2} tests, #{n2} assertions, 0 failures, 0 errors/}
else
steps %{Then the output should match /#{total} (tests|runs), #{total} assertions, 0 failures, 0 errors, 0 skips/}
end
end
module FileHelpers
RAILS_VERSION_IN_GEMFILE_PATH_REGEX = %r{/([^/]+?)(?:_.+)?\.gemfile$}
def append_to(path, contents)
in_current_dir do
File.open(path, 'a') do |file|
file.puts
file.puts contents
end
end
end
def append_to_gemfile(contents)
append_to('Gemfile', contents)
end
def comment_out_gem_in_gemfile(gemname)
in_current_dir do
gemfile = File.read('Gemfile')
gemfile.sub!(/^(\s*)(gem\s*['"]#{gemname})/, "\\1# \\2")
File.open('Gemfile', 'w'){ |file| file.write(gemfile) }
end
end
def insert_line_after(file_path, line, line_to_insert)
line += "\n"
line_to_insert += "\n"
in_current_dir do
contents = File.read(file_path)
index = contents.index(line) + line.length
contents.insert(index, line_to_insert)
File.open(file_path, 'w') { |f| f.write(contents) }
end
end
def rails_version_string
ORIGINAL_BUNDLE_VARS['BUNDLE_GEMFILE'].
match(RAILS_VERSION_IN_GEMFILE_PATH_REGEX).
captures[0]
end
def rails_version
@_rails_version ||= Gem::Version.new(rails_version_string)
end
def rails_lt_4?
Gem::Requirement.new('< 4').satisfied_by?(rails_version)
end
def rspec_rails_version
Bundler.definition.specs['rspec-rails'][0].version
end
def rspec_rails_gte_3?
Gem::Requirement.new('>= 3').satisfied_by?(rspec_rails_version)
end
def test_helper_path
if rspec_rails_gte_3?
'spec/rails_helper.rb'
else
'spec/spec_helper.rb'
end
end
end
World(FileHelpers)

57
features/step_definitions/ruby_steps.rb Normal file
View File

@ -0,0 +1,57 @@
When /^I configure the application to use "([^\"]+)"$/ do |name|
append_to_gemfile "gem '#{name}'"
steps %{And I install gems}
end
When /^I configure the application to use "([^\"]+)" from this project$/ do |name|
append_to_gemfile "gem '#{name}', path: '#{PROJECT_ROOT}'"
steps %{And I install gems}
end
When /^I configure the application to use "([^\"]+)" from this project, disabling auto-require$/ do |name|
append_to_gemfile "gem '#{name}', path: '#{PROJECT_ROOT}', require: false"
steps %{And I install gems}
end
When 'I configure the application to use shoulda-context' do
append_to_gemfile %q(gem 'shoulda-context', '~> 1.2.0')
append_to_gemfile %q(gem 'pry')
steps %{And I install gems}
end
When 'I reset Bundler environment variables' do
BUNDLE_ENV_VARS.each do |key|
ENV[key] = nil
end
end
When /^I comment out the gem "([^"]*)" from the Gemfile$/ do |gemname|
comment_out_gem_in_gemfile(gemname)
end
When /^I install gems$/ do
steps %{When I run `bundle install --local`}
end
Then /^the output should indicate that (\d+) tests? (?:was|were) run/ do |number|
# Rails 4 has slightly different output than Rails 3 due to
# Test::Unit::TestCase -> MiniTest
if rails_lt_4?
steps %{Then the output should contain "#{number} tests, #{number} assertions, 0 failures, 0 errors"}
else
steps %{Then the output should match /#{number} (tests|runs), #{number} assertions, 0 failures, 0 errors, 0 skips/}
end
end
Then /^the output should indicate that (\d+) unit and (\d+) functional tests? were run/ do |n1, n2|
n1 = n1.to_i
n2 = n2.to_i
total = n1.to_i + n2.to_i
# Rails 3 runs separate test suites in separate processes, but Rails 4 does
# not, so that's why we have to check for different things here
if rails_lt_4?
steps %{Then the output should match /#{n1} tests, #{n1} assertions, 0 failures, 0 errors.+#{n2} tests, #{n2} assertions, 0 failures, 0 errors/}
else
steps %{Then the output should match /#{total} (tests|runs), #{total} assertions, 0 failures, 0 errors, 0 skips/}
end
end

13
features/support/env.rb
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@ -1,6 +1,19 @@
require 'aruba/cucumber'
require 'pry'
PROJECT_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..', '..')).freeze
APP_NAME = 'testapp'.freeze
BUNDLE_ENV_VARS = %w(RUBYOPT BUNDLE_PATH BUNDLE_BIN_PATH BUNDLE_GEMFILE)
ORIGINAL_BUNDLE_VARS = Hash[ENV.select{ |key,value| BUNDLE_ENV_VARS.include?(key) }]
Before do
@aruba_timeout_seconds = 60 * 2
ENV['BUNDLE_GEMFILE'] = File.join(Dir.pwd, ENV['BUNDLE_GEMFILE']) unless ENV['BUNDLE_GEMFILE'].start_with?(Dir.pwd)
end
After do
ORIGINAL_BUNDLE_VARS.each_pair do |key, value|
ENV[key] = value
end
end

36
features/support/file_helpers.rb Normal file
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@ -0,0 +1,36 @@
module RubyHelpers
def append_to(path, contents)
in_current_dir do
File.open(path, 'a') do |file|
file.puts
file.puts contents
end
end
end
def append_to_gemfile(contents)
append_to('Gemfile', contents)
end
def comment_out_gem_in_gemfile(gemname)
in_current_dir do
gemfile = File.read('Gemfile')
gemfile.sub!(/^(\s*)(gem\s*['"]#{gemname})/, "\\1# \\2")
File.open('Gemfile', 'w'){ |file| file.write(gemfile) }
end
end
def insert_line_after(file_path, line, line_to_insert)
line += "\n"
line_to_insert += "\n"
in_current_dir do
contents = File.read(file_path)
index = contents.index(line) + line.length
contents.insert(index, line_to_insert)
File.open(file_path, 'w') { |f| f.write(contents) }
end
end
end
World(RubyHelpers)

35
features/support/rails_file_helpers.rb Normal file
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@ -0,0 +1,35 @@
module RailsHelpers
RAILS_VERSION_IN_GEMFILE_PATH_REGEX = %r{/([^/]+?)(?:_.+)?\.gemfile$}
def rails_version_string
ORIGINAL_BUNDLE_VARS['BUNDLE_GEMFILE'].
match(RAILS_VERSION_IN_GEMFILE_PATH_REGEX).
captures[0]
end
def rails_version
@_rails_version ||= Gem::Version.new(rails_version_string)
end
def rails_lt_4?
Gem::Requirement.new('< 4').satisfied_by?(rails_version)
end
def rspec_rails_version
Bundler.definition.specs['rspec-rails'][0].version
end
def rspec_rails_gte_3?
Gem::Requirement.new('>= 3').satisfied_by?(rspec_rails_version)
end
def test_helper_path
if rspec_rails_gte_3?
'spec/rails_helper.rb'
else
'spec/spec_helper.rb'
end
end
end
World(RailsHelpers)