require 'abstract_unit' require 'rails/initializer' require "#{File.dirname(__FILE__)}/../lib/rails/generators/rails/app/templates/config/boot" require 'rails/gem_dependency' class BootTest < Test::Unit::TestCase def test_boot_returns_if_booted Rails.expects(:booted?).returns(true) Rails.expects(:pick_boot).never assert_nil Rails.boot! end def test_boot_preinitializes_then_picks_and_runs_if_not_booted Rails.expects(:booted?).returns(false) Rails.expects(:preinitialize) Rails.expects(:pick_boot).returns(mock(:run => 'result')) assert_equal 'result', Rails.boot! end def test_preinitialize_does_not_raise_exception_if_preinitializer_file_does_not_exist Rails.stubs(:preinitializer_path).returns('/there/is/no/such/file') assert_nothing_raised { Rails.preinitialize } end def test_load_preinitializer_loads_preinitializer_file Rails.stubs(:preinitializer_path).returns("#{File.dirname(__FILE__)}/fixtures/environment_with_constant.rb") assert_nil $initialize_test_set_from_env Rails.preinitialize assert_equal "success", $initialize_test_set_from_env ensure $initialize_test_set_from_env = nil end def test_boot_vendor_rails_by_default Rails.expects(:booted?).returns(false) Rails.expects(:preinitialize) File.expects(:exist?).with("#{RAILS_ROOT}/vendor/rails").returns(true) Rails::VendorBoot.any_instance.expects(:run).returns('result') assert_equal 'result', Rails.boot! end def test_boot_gem_rails_otherwise Rails.expects(:booted?).returns(false) Rails.expects(:preinitialize) File.expects(:exist?).with("#{RAILS_ROOT}/vendor/rails").returns(false) Rails::GemBoot.any_instance.expects(:run).returns('result') assert_equal 'result', Rails.boot! end def test_run_loads_initializer_and_sets_load_path boot = Rails::Boot.new boot.expects(:load_initializer) Rails::Initializer.expects(:run).with(:set_load_path) boot.run end end class VendorBootTest < Test::Unit::TestCase include Rails def test_load_initializer_requires_from_vendor_rails boot = VendorBoot.new boot.expects(:require).with("rails/initializer") Rails::Initializer.expects(:run).with(:install_gem_spec_stubs) Rails::GemDependency.expects(:add_frozen_gem_path) boot.load_initializer end end class GemBootTest < Test::Unit::TestCase include Rails def test_load_initializer_loads_rubygems_and_the_rails_gem boot = GemBoot.new GemBoot.expects(:load_rubygems) boot.expects(:load_rails_gem) boot.expects(:require).with('rails/initializer') boot.load_initializer end def test_load_rubygems_exits_with_error_if_missing GemBoot.expects(:require).with('rubygems').raises(LoadError, 'missing rubygems') STDERR.expects(:puts) GemBoot.expects(:exit).with(1) GemBoot.load_rubygems end def test_load_rubygems_exits_with_error_if_too_old GemBoot.stubs(:rubygems_version).returns('0.0.1') GemBoot.expects(:require).with('rubygems').returns(true) STDERR.expects(:puts) GemBoot.expects(:exit).with(1) GemBoot.load_rubygems end def test_load_rails_gem_activates_specific_gem_if_version_given GemBoot.stubs(:gem_version).returns('0.0.1') boot = GemBoot.new boot.expects(:gem).with('rails', '0.0.1') boot.load_rails_gem end def test_load_rails_gem_activates_latest_gem_if_no_version_given GemBoot.stubs(:gem_version).returns(nil) boot = GemBoot.new boot.expects(:gem).with('rails') boot.load_rails_gem end def test_load_rails_gem_exits_with_error_if_missing GemBoot.stubs(:gem_version).returns('0.0.1') boot = GemBoot.new boot.expects(:gem).with('rails', '0.0.1').raises(Gem::LoadError, 'missing rails 0.0.1 gem') STDERR.expects(:puts) boot.expects(:exit).with(1) boot.load_rails_gem end end class ParseGemVersionTest < Test::Unit::TestCase def test_should_return_nil_if_no_lines_are_passed assert_equal nil, parse('') assert_equal nil, parse(nil) end def test_should_accept_either_single_or_double_quotes assert_equal "1.2.3", parse("RAILS_GEM_VERSION = '1.2.3'") assert_equal "1.2.3", parse('RAILS_GEM_VERSION = "1.2.3"') end def test_should_return_nil_if_no_lines_match assert_equal nil, parse('nothing matches on this line\nor on this line') end def test_should_parse_with_no_leading_space assert_equal "1.2.3", parse("RAILS_GEM_VERSION = '1.2.3' unless defined? RAILS_GEM_VERSION") assert_equal "1.2.3", parse("RAILS_GEM_VERSION = '1.2.3'") end def test_should_parse_with_any_number_of_leading_spaces assert_equal nil, parse([]) assert_equal "1.2.3", parse(" RAILS_GEM_VERSION = '1.2.3' unless defined? RAILS_GEM_VERSION") assert_equal "1.2.3", parse(" RAILS_GEM_VERSION = '1.2.3' unless defined? RAILS_GEM_VERSION") assert_equal "1.2.3", parse(" RAILS_GEM_VERSION = '1.2.3'") assert_equal "1.2.3", parse(" RAILS_GEM_VERSION = '1.2.3'") end def test_should_ignore_unrelated_comments assert_equal "1.2.3", parse("# comment\nRAILS_GEM_VERSION = '1.2.3'\n# comment") end def test_should_ignore_commented_version_lines assert_equal "1.2.3", parse("#RAILS_GEM_VERSION = '9.8.7'\nRAILS_GEM_VERSION = '1.2.3'") assert_equal "1.2.3", parse("# RAILS_GEM_VERSION = '9.8.7'\nRAILS_GEM_VERSION = '1.2.3'") assert_equal "1.2.3", parse("RAILS_GEM_VERSION = '1.2.3'\n# RAILS_GEM_VERSION = '9.8.7'") end def test_should_allow_advanced_rubygems_version_specifications # See http://rubygems.org/read/chapter/16 assert_equal "=1.2.3", parse("RAILS_GEM_VERSION = '=1.2.3'") # equal sign assert_equal "= 1.2.3", parse("RAILS_GEM_VERSION = '= 1.2.3'") # with space assert_equal "!=1.2.3", parse("RAILS_GEM_VERSION = '!=1.2.3'") # not equal assert_equal ">1.2.3", parse("RAILS_GEM_VERSION = '>1.2.3'") # greater than assert_equal "<1.2.3", parse("RAILS_GEM_VERSION = '<1.2.3'") # less than assert_equal ">=1.2.3", parse("RAILS_GEM_VERSION = '>=1.2.3'") # greater than or equal assert_equal "<=1.2.3", parse("RAILS_GEM_VERSION = '<=1.2.3'") # less than or equal assert_equal "~>1.2.3.0", parse("RAILS_GEM_VERSION = '~>1.2.3.0'") # approximately greater than end private def parse(text) Rails::GemBoot.parse_gem_version(text) end end