require 'tmpdir' require 'abstract_unit' require 'rails/app_rails_loader' class AppRailsLoaderTest < ActiveSupport::TestCase def loader @loader ||= Class.new do extend Rails::AppRailsLoader def self.exec_arguments @exec_arguments end def self.exec(*args) @exec_arguments = args end end end def write(filename, contents=nil) FileUtils.mkdir_p(File.dirname(filename)) File.write(filename, contents) end def expects_exec(exe) assert_equal [Rails::AppRailsLoader::RUBY, exe], loader.exec_arguments end setup do @tmp = Dir.mktmpdir('railties-rails-loader-test-suite') @cwd = Dir.pwd Dir.chdir(@tmp) end ['bin', 'script'].each do |script_dir| exe = "#{script_dir}/rails" test "is not in a Rails application if #{exe} is not found in the current or parent directories" do def loader.find_executables; end assert !loader.exec_app_rails end test "is not in a Rails application if #{exe} exists but is a folder" do FileUtils.mkdir_p(exe) assert !loader.exec_app_rails end ['APP_PATH', 'ENGINE_PATH'].each do |keyword| test "is in a Rails application if #{exe} exists and contains #{keyword}" do write exe, keyword loader.exec_app_rails expects_exec exe end test "is not in a Rails application if #{exe} exists but doesn't contain #{keyword}" do write exe assert !loader.exec_app_rails end test "is in a Rails application if parent directory has #{exe} containing #{keyword} and chdirs to the root directory" do write "foo/bar/#{exe}" write "foo/#{exe}", keyword Dir.chdir('foo/bar') loader.exec_app_rails expects_exec exe # Compare the realpath in case either of them has symlinks. # # This happens in particular in Mac OS X, where @tmp starts # with "/var", and Dir.pwd with "/private/var", due to a # default system symlink var -> private/var. assert_equal File.realpath("#@tmp/foo"), File.realpath(Dir.pwd) end end end teardown do Dir.chdir(@cwd) FileUtils.rm_rf(@tmp) end end