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require "rspec/support"
require "rspec/core"
RSpec::Support.require_rspec_core "project_initializer"
require "rspec/rails/feature_check"
module Rspec
module Generators
# @private
class InstallGenerator < ::Rails::Generators::Base
desc <<DESC
Description:
Copy rspec files to your application.
DESC
class_option :default_path, type: :string, default: 'spec'
def self.source_root
@source_root ||= File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
end
def copy_spec_files
Dir.mktmpdir do |dir|
generate_rspec_init dir
template File.join(dir, '.rspec'), '.rspec'
directory File.join(dir, 'spec'), default_path
end
end
def copy_rails_files
template 'spec/rails_helper.rb', "#{default_path}/rails_helper.rb"
end
private
def generate_rspec_init(tmpdir)
initializer = ::RSpec::Core::ProjectInitializer.new(
destination: tmpdir,
report_stream: StringIO.new
)
initializer.run
spec_helper_path = File.join(tmpdir, 'spec', 'spec_helper.rb')
replace_generator_command(spec_helper_path)
remove_warnings_configuration(spec_helper_path)
unless default_path == "spec"
dot_rspec_path = File.join(tmpdir, '.rspec')
append_default_path(dot_rspec_path)
end
end
def replace_generator_command(spec_helper_path)
gsub_file spec_helper_path,
'rspec --init',
'rails generate rspec:install',
verbose: false
end
def remove_warnings_configuration(spec_helper_path)
empty_line = '^\n'
comment_line = '^\s*#.+\n'
gsub_file spec_helper_path,
/#{empty_line}(#{comment_line})+\s+config\.warnings = true\n/,
'',
verbose: false
end
def append_default_path(dot_rspec_path)
append_to_file dot_rspec_path,
"--default-path #{default_path}"
end
def default_path
options[:default_path]
end
end
end
end
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