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require 'test_helper'
begin
gem 'rspec'
gem 'rspec-rails'
rescue LoadError => exception
puts exception.message
puts "RSpec integration was not tested because RSpec is not available"
else
class RspecTest < ActiveSupport::TestCase
SHOULDA_ROOT =
File.expand_path(File.join(File.dirname(__FILE__), '..')).freeze
def setup
build_gemspec
end
def teardown
FileUtils.rm_rf(project_dir)
FileUtils.rm_rf("#{shoulda_root}/pkg")
end
should "integrate correctly when using config.gem in test.rb" do
create_project
insert(rspec_dependencies, "config/environments/test.rb")
vendor_gems('test')
configure_spec_rails
assert_configured
end
should "integrate correctly when using config.gem in environment.rb" do
create_project
insert(rspec_dependencies,
"config/environment.rb",
/Rails::Initializer\.run/)
vendor_gems('development')
configure_spec_rails
assert_configured
end
should "integrate correctly when using require in spec_helper" do
create_project
configure_spec_rails
insert(%{gem 'shoulda'; require 'shoulda'},
"spec/spec_helper.rb",
%{require 'spec/rails'})
assert_configured
end
should "integrate correctly when unpacked and required in spec_helper" do
create_project
configure_spec_rails
insert(%{require 'shoulda'},
"spec/spec_helper.rb",
%{require 'spec/rails'})
unpack_gems
assert_configured
end
def create_project
command "rails #{project_dir}"
end
def vendor_gems(env)
project_command "rake gems:unpack RAILS_ENV=#{env}"
end
def unpack_gems
FileUtils.mkdir_p "#{project_dir}/vendor/gems"
FileUtils.cd "#{project_dir}/vendor/gems" do
%w(rspec rspec-rails shoulda).each do |gem|
command "gem unpack #{gem}"
end
end
insert('config.load_paths += Dir["#{RAILS_ROOT}/vendor/gems/*/lib"]',
"config/environment.rb",
/Rails::Initializer\.run/)
end
def command(command)
output = `GEM_PATH=#{shoulda_root}/pkg #{command} 2>&1`
unless $? == 0
flunk("Command failed with status #{$?}\n#{command}\n#{output}")
end
@command_output ||= ''
@command_output << output
output
end
def project_command(command)
result = nil
FileUtils.cd project_dir do
result = command(command)
end
result
end
def shoulda_command(command)
FileUtils.cd shoulda_root do
command(command)
end
end
def project_name
'example_rails_project'
end
def project_dir
File.expand_path(File.join(File.dirname(__FILE__), project_name))
end
def insert(content, path, after = nil)
path = File.join(project_dir, path)
contents = IO.read(path)
if after
contents.gsub!(/^(.*#{after}.*)$/, "\\1\n#{content}")
else
contents << "\n" << content
end
File.open(path, 'w') {|file| file.write(contents) }
end
def rspec_dependencies
return <<-EOS
config.gem 'rspec', :lib => 'spec'
config.gem 'rspec-rails', :lib => false
config.gem 'shoulda', :lib => 'shoulda'
EOS
end
def configure_spec_rails
project_command "script/generate rspec"
end
def assert_configured
create_model
migrate
create_controller
assert_spec_passes
end
def create_model
project_command "script/generate rspec_model person name:string"
insert "validates_presence_of :name",
"app/models/person.rb",
/class Person/
insert "it { should validate_presence_of(:name) }",
"spec/models/person_spec.rb",
/describe Person do/
end
def create_controller
project_command "script/generate rspec_controller people"
insert "def index; render :text => 'Hello'; end",
"app/controllers/people_controller.rb",
/class PeopleController/
shoulda_controller_example = <<-EOS
describe PeopleController, "on GET index" do
integrate_views
subject { controller }
before(:each) { get :index }
it { should respond_with(:success) }
end
EOS
insert shoulda_controller_example,
"spec/controllers/people_controller_spec.rb"
end
def migrate
project_command "rake db:migrate"
end
def assert_spec_passes
result = project_command("rake spec SPEC_OPTS=-fs")
assert_match /should require name to be set/, result
assert_match /should respond with 200/, result
end
def shoulda_root
SHOULDA_ROOT
end
def build_gemspec
backup_gemspec do
shoulda_command "rake gemspec"
shoulda_command "rake gem"
shoulda_command "gem install --no-ri --no-rdoc -i pkg pkg/shoulda*.gem"
end
end
def backup_gemspec
actual = "#{shoulda_root}/shoulda.gemspec"
backup = "#{shoulda_root}/backup.gemspec"
FileUtils.mv(actual, backup)
begin
yield
ensure
FileUtils.mv(backup, actual)
end
end
end
end
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