Rails Application Template (rSpec, Capybara, Poltergeist, FactoryGirl)

template.rb

remove_file("test")

gem_group :development, :test do
  gem "rspec-rails", "~> 3.0.0"
  gem "spring-commands-rspec"
  gem "factory_girl_rails", "~> 4.0"
  gem "pry-rails"
  gem "pry-byebug"
  gem "pry-stack_explorer"
  gem "pry-rescue"
end

gem_group :test do
  gem "launchy"
  gem "database_cleaner"
  gem "poltergeist"
  gem "capybara"
end

gem "therubyracer"

gsub_file("Gemfile", /^group :development, :test do\s+end\n/m, '')
gsub_file("Gemfile", /^#.*\n/, '')         # Remove comments
gsub_file("Gemfile", /\n{2,}/, "\n")       # No empty lines
gsub_file("Gemfile", /'/, '"')             # Double quotes
gsub_file("Gemfile", /\s+(group:)/, ' \1') # Remove excess blanks
gsub_file("Gemfile", /^source.*/, "\\0\n") # Add blank line
gsub_file("Gemfile", /^group.*/, "\n\\0")  # Add blank line
gsub_file("Gemfile", /^group :test.*end/m, "\\0\n")

run "bundle install"
def run_bundle; end

APP_CONFIG = <<-CONFIG
     
    config.generators do |g|
      g.test_framework :rspec,
        fixtures: true,
        view_specs: false,
        helper_specs: false,
        routing_specs: false,
        controller_specs: false,
        request_specs: false
      g.fixture_replacement :factory_girl, dir: "spec/factories"
    end
CONFIG
application APP_CONFIG

generate :'rspec:install'

RSPEC_REQUIRE = <<-CONFIG

require 'capybara/poltergeist'
Capybara.javascript_driver = :poltergeist
CONFIG

inject_into_file "spec/rails_helper.rb", RSPEC_REQUIRE, after: "require 'rspec/rails'\n"

RSPEC_DOT = <<-CONFIG
--color
--format doc
--require spec_helper
CONFIG

remove_file ".rspec"
add_file ".rspec", RSPEC_DOT

RSPEC_CONFIG = <<-CONFIG 
  config.before(:suite) do
    DatabaseCleaner.clean_with(:truncation)

    # Lint factories
    begin
      DatabaseCleaner.start
      FactoryGirl.lint
    ensure
      DatabaseCleaner.clean
    end
  end

  config.before(:each) do
    DatabaseCleaner.strategy = :transaction
  end

  # Use truncation strategy for tests that run in separate thread
  config.before(:each, js: true) do
    DatabaseCleaner.strategy = :truncation
  end

  config.before(:each) do
    DatabaseCleaner.start
  end

  config.after(:each) do
    DatabaseCleaner.clean
  end

  config.include FactoryGirl::Syntax::Methods

  # Disable should syntax
  config.expect_with :rspec do |c|
    c.syntax = :expect
  end

CONFIG

inject_into_file "spec/rails_helper.rb", RSPEC_CONFIG, after: "RSpec.configure do |config|\n"
comment_lines "spec/rails_helper.rb", /config\.use_transactional_fixtures/

# Add ./bin to path when direnv is installed
add_file ".envrc", %{export PATH="./bin:$PATH"}