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test_case.rb
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at_exit { $SAFE = 1 } gem 'minitest', '~> 4.0' if defined? Gem::QuickLoader Gem::QuickLoader.load_full_rubygems_library else require 'rubygems' end begin gem 'minitest' rescue Gem::LoadError end require "rubygems/deprecate" require 'minitest/autorun' require 'fileutils' require 'tmpdir' require 'uri' require 'rubygems/package' require 'rubygems/test_utilities' require 'pp' require 'zlib' require 'pathname' require 'shellwords' Gem.load_yaml require 'rubygems/mock_gem_ui' module Gem ## # Allows setting the gem path searcher. This method is available when # requiring 'rubygems/test_case' def self.searcher=(searcher) @searcher = searcher end ## # Allows setting the default SourceIndex. This method is available when # requiring 'rubygems/test_case' def self.source_index=(si) raise "This method is not supported" Gem::Specification.reset if si # HACK @@source_index = si end ## # Allows toggling Windows behavior. This method is available when requiring # 'rubygems/test_case' def self.win_platform=(val) @@win_platform = val end ## # Allows setting path to ruby. This method is available when requiring # 'rubygems/test_case' def self.ruby= ruby @ruby = ruby end ## # When rubygems/test_case is required the default user interaction is a # MockGemUi. module DefaultUserInteraction @ui = Gem::MockGemUi.new end end ## # RubyGemTestCase provides a variety of methods for testing rubygems and # gem-related behavior in a sandbox. Through RubyGemTestCase you can install # and uninstall gems, fetch remote gems through a stub fetcher and be assured # your normal set of gems is not affected. # # Tests are always run at a safe level of 1. class Gem::TestCase < MiniTest::Unit::TestCase # TODO: move to minitest def assert_path_exists path, msg = nil msg = message(msg) { "Expected path '#{path}' to exist" } assert File.exist?(path), msg end # TODO: move to minitest def refute_path_exists path, msg = nil msg = message(msg) { "Expected path '#{path}' to not exist" } refute File.exist?(path), msg end def scan_make_command_lines(output) output.scan(/^#{Regexp.escape make_command}(?:[[:blank:]].*)?$/) end def parse_make_command_line(line) command, *args = line.shellsplit targets = [] macros = {} args.each do |arg| case arg when /\A(\w+)=/ macros[$1] = $' else targets << arg end end targets << '' if targets.empty? { :command => command, :targets => targets, :macros => macros, } end def assert_contains_make_command(target, output, msg = nil) if output.match(/\n/) msg = message(msg) { 'Expected output containing make command "%s": %s' % [ ('%s %s' % [make_command, target]).rstrip, output.inspect ] } else msg = message(msg) { 'Expected make command "%s": %s' % [ ('%s %s' % [make_command, target]).rstrip, output.inspect ] } end assert scan_make_command_lines(output).any? { |line| make = parse_make_command_line(line) if make[:targets].include?(target) yield make, line if block_given? true else false end }, msg end include Gem::DefaultUserInteraction undef_method :default_test if instance_methods.include? 'default_test' or instance_methods.include? :default_test @@project_dir = Dir.pwd unless defined?(@@project_dir) ## # #setup prepares a sandboxed location to install gems. All installs are # directed to a temporary directory. All install plugins are removed. # # If the +RUBY+ environment variable is set the given path is used for # Gem::ruby. The local platform is set to <tt>i386-mswin32</tt> for Windows # or <tt>i686-darwin8.10.1</tt> otherwise. # # If the +KEEP_FILES+ environment variable is set the files will not be # removed from <tt>/tmp/test_rubygems_#{$$}.#{Time.now.to_i}</tt>. def setup super @orig_gem_home = ENV['GEM_HOME'] @orig_gem_path = ENV['GEM_PATH'] @current_dir = Dir.pwd @ui = Gem::MockGemUi.new tmpdir = nil Dir.chdir Dir.tmpdir do tmpdir = Dir.pwd end # HACK OSX /private/tmp if ENV['KEEP_FILES'] then @tempdir = File.join(tmpdir, "test_rubygems_#{$$}.#{Time.now.to_i}") else @tempdir = File.join(tmpdir, "test_rubygems_#{$$}") end @tempdir.untaint @gemhome = File.join @tempdir, 'gemhome' @userhome = File.join @tempdir, 'userhome' @orig_ruby = if ruby = ENV['RUBY'] then Gem.class_eval { ruby, @ruby = @ruby, ruby } ruby end Gem.ensure_gem_subdirectories @gemhome @orig_LOAD_PATH = $LOAD_PATH.dup $LOAD_PATH.map! { |s| File.expand_path s } Dir.chdir @tempdir @orig_ENV_HOME = ENV['HOME'] ENV['HOME'] = @userhome Gem.instance_variable_set :@user_home, nil FileUtils.mkdir_p @gemhome FileUtils.mkdir_p @userhome Gem.use_paths(@gemhome) Gem.loaded_specs.clear Gem.unresolved_deps.clear Gem.configuration.verbose = true Gem.configuration.update_sources = true @gem_repo = "http://gems.example.com/" @uri = URI.parse @gem_repo Gem.sources.replace [@gem_repo] Gem.searcher = nil Gem::SpecFetcher.fetcher = nil @orig_BASERUBY = Gem::ConfigMap[:BASERUBY] Gem::ConfigMap[:BASERUBY] = Gem::ConfigMap[:ruby_install_name] @orig_arch = Gem::ConfigMap[:arch] if win_platform? util_set_arch 'i386-mswin32' else util_set_arch 'i686-darwin8.10.1' end @marshal_version = "#{Marshal::MAJOR_VERSION}.#{Marshal::MINOR_VERSION}" # TODO: move to installer test cases Gem.post_build_hooks.clear Gem.post_install_hooks.clear Gem.post_uninstall_hooks.clear Gem.pre_install_hooks.clear Gem.pre_uninstall_hooks.clear # TODO: move to installer test cases Gem.post_build do |installer| @post_build_hook_arg = installer true end Gem.post_install do |installer| @post_install_hook_arg = installer end Gem.post_uninstall do |uninstaller| @post_uninstall_hook_arg = uninstaller end Gem.pre_install do |installer| @pre_install_hook_arg = installer true end Gem.pre_uninstall do |uninstaller| @pre_uninstall_hook_arg = uninstaller end end ## # #teardown restores the process to its original state and removes the # tempdir unless the +KEEP_FILES+ environment variable was set. def teardown $LOAD_PATH.replace @orig_LOAD_PATH Gem::ConfigMap[:BASERUBY] = @orig_BASERUBY Gem::ConfigMap[:arch] = @orig_arch if defined? Gem::RemoteFetcher then Gem::RemoteFetcher.fetcher = nil end Dir.chdir @current_dir FileUtils.rm_rf @tempdir unless ENV['KEEP_FILES'] ENV['GEM_HOME'] = @orig_gem_home ENV['GEM_PATH'] = @orig_gem_path _ = @orig_ruby Gem.class_eval { @ruby = _ } if _ if @orig_ENV_HOME then ENV['HOME'] = @orig_ENV_HOME else ENV.delete 'HOME' end end ## # Builds and installs the Gem::Specification +spec+ def install_gem spec, options = {} require 'rubygems/installer' use_ui Gem::MockGemUi.new do Dir.chdir @tempdir do Gem::Builder.new(spec).build end end gem = File.join(@tempdir, File.basename(spec.cache_file)).untaint Gem::Installer.new(gem, options.merge({:wrappers => true})).install end ## # Builds and installs the Gem::Specification +spec+ into the user dir def install_gem_user spec install_gem spec, :user_install => true end ## # Uninstalls the Gem::Specification +spec+ def uninstall_gem spec require 'rubygems/uninstaller' Gem::Uninstaller.new(spec.name, :executables => true, :user_install => true).uninstall end ## # creates a temporary directory with hax def create_tmpdir tmpdir = nil Dir.chdir Dir.tmpdir do tmpdir = Dir.pwd end # HACK OSX /private/tmp tmpdir = File.join tmpdir, "test_rubygems_#{$$}" FileUtils.mkdir_p tmpdir return tmpdir end ## # Enables pretty-print for all tests def mu_pp(obj) s = '' s = PP.pp obj, s s = s.force_encoding(Encoding.default_external) if defined? Encoding s.chomp end ## # Reads a Marshal file at +path+ def read_cache(path) open path.dup.untaint, 'rb' do |io| Marshal.load io.read end end ## # Reads a binary file at +path+ def read_binary(path) Gem.read_binary path end ## # Writes a binary file to +path+ which is relative to +@gemhome+ def write_file(path) path = File.join @gemhome, path unless Pathname.new(path).absolute? dir = File.dirname path FileUtils.mkdir_p dir open path, 'wb' do |io| yield io if block_given? end path end def all_spec_names Gem::Specification.map(&:full_name) end ## # Creates a Gem::Specification with a minimum of extra work. +name+ and # +version+ are the gem's name and version, platform, author, email, # homepage, summary and description are defaulted. The specification is # yielded for customization. # # The gem is added to the installed gems in +@gemhome+ and to the current # source_index. # # Use this with #write_file to build an installed gem. def quick_gem(name, version='2') require 'rubygems/specification' spec = Gem::Specification.new do |s| s.platform = Gem::Platform::RUBY s.name = name s.version = version s.author = 'A User' s.email = 'example@example.com' s.homepage = 'http://example.com' s.summary = "this is a summary" s.description = "This is a test description" yield(s) if block_given? end Gem::Specification.map # HACK: force specs to (re-)load before we write written_path = write_file spec.spec_file do |io| io.write spec.to_ruby_for_cache end spec.loaded_from = spec.loaded_from = written_path Gem::Specification.add_spec spec.for_cache return spec end def quick_spec name, version = '2' # TODO: deprecate require 'rubygems/specification' spec = Gem::Specification.new do |s| s.platform = Gem::Platform::RUBY s.name = name s.version = version s.author = 'A User' s.email = 'example@example.com' s.homepage = 'http://example.com' s.summary = "this is a summary" s.description = "This is a test description" yield(s) if block_given? end spec.loaded_from = spec.spec_file Gem::Specification.add_spec spec return spec end ## # Builds a gem from +spec+ and places it in <tt>File.join @gemhome, # 'cache'</tt>. Automatically creates files based on +spec.files+ def util_build_gem(spec) dir = spec.gem_dir FileUtils.mkdir_p dir Dir.chdir dir do spec.files.each do |file| next if File.exist? file FileUtils.mkdir_p File.dirname(file) File.open file, 'w' do |fp| fp.puts "# #{file}" end end use_ui Gem::MockGemUi.new do Gem::Builder.new(spec).build end cache = spec.cache_file FileUtils.mv File.basename(cache), cache end end def util_remove_gem(spec) FileUtils.rm_rf spec.cache_file FileUtils.rm_rf spec.spec_file end ## # Removes all installed gems from +@gemhome+. def util_clear_gems FileUtils.rm_rf File.join(@gemhome, "gems") # TODO: use Gem::Dirs FileUtils.rm_rf File.join(@gemhome, "specifications") Gem::Specification.reset end ## # Install the provided specs def install_specs(*specs) Gem::Specification.add_specs(*specs) Gem.searcher = nil end ## # Create a new spec (or gem if passed an array of files) and set it # up properly. Use this instead of util_spec and util_gem. def new_spec name, version, deps = nil, *files require 'rubygems/specification' spec = Gem::Specification.new do |s| s.platform = Gem::Platform::RUBY s.name = name s.version = version s.author = 'A User' s.email = 'example@example.com' s.homepage = 'http://example.com' s.summary = "this is a summary" s.description = "This is a test description" Array(deps).each do |n, req| s.add_dependency n, (req || '>= 0') end s.files.push(*files) unless files.empty? yield s if block_given? end spec.loaded_from = spec.spec_file unless files.empty? then write_file spec.spec_file do |io| io.write spec.to_ruby_for_cache end util_build_gem spec cache_file = File.join @tempdir, 'gems', "#{spec.full_name}.gem" FileUtils.mkdir_p File.dirname cache_file FileUtils.mv spec.cache_file, cache_file FileUtils.rm spec.spec_file end spec end ## # Creates a spec with +name+, +version+ and +deps+. def util_spec(name, version, deps = nil, &block) # TODO: deprecate raise "deps or block, not both" if deps and block if deps then block = proc do |s| # Since Hash#each is unordered in 1.8, sort # the keys and iterate that way so the tests are # deteriminstic on all implementations. deps.keys.sort.each do |n| s.add_dependency n, (deps[n] || '>= 0') end end end quick_spec(name, version, &block) end ## # Creates a gem with +name+, +version+ and +deps+. The specification will # be yielded before gem creation for customization. The gem will be placed # in <tt>File.join @tempdir, 'gems'</tt>. The specification and .gem file # location are returned. def util_gem(name, version, deps = nil, &block) # TODO: deprecate raise "deps or block, not both" if deps and block if deps then block = proc do |s| # Since Hash#each is unordered in 1.8, sort # the keys and iterate that way so the tests are # deteriminstic on all implementations. deps.keys.sort.each do |n| s.add_dependency n, (deps[n] || '>= 0') end end end spec = quick_gem(name, version, &block) util_build_gem spec cache_file = File.join @tempdir, 'gems', "#{spec.original_name}.gem" FileUtils.mkdir_p File.dirname cache_file FileUtils.mv spec.cache_file, cache_file FileUtils.rm spec.spec_file spec.loaded_from = nil [spec, cache_file] end ## # Gzips +data+. def util_gzip(data) out = StringIO.new Zlib::GzipWriter.wrap out do |io| io.write data end out.string end ## # Creates several default gems which all have a lib/code.rb file. The gems # are not installed but are available in the cache dir. # # +@a1+:: gem a version 1, this is the best-described gem. # +@a2+:: gem a version 2 # +@a3a:: gem a version 3.a # +@a_evil9+:: gem a_evil version 9, use this to ensure similarly-named gems # don't collide with a. # +@b2+:: gem b version 2 # +@c1_2+:: gem c version 1.2 # +@pl1+:: gem pl version 1, this gem has a legacy platform of i386-linux. # # Additional +prerelease+ gems may also be created: # # +@a2_pre+:: gem a version 2.a # TODO: nuke this and fix tests. this should speed up a lot def util_make_gems(prerelease = false) @a1 = quick_gem 'a', '1' do |s| s.files = %w[lib/code.rb] s.require_paths = %w[lib] s.date = Gem::Specification::TODAY - 86400 s.homepage = 'http://a.example.com' s.email = %w[example@example.com example2@example.com] s.authors = %w[Example Example2] s.description = <<-DESC This line is really, really long. So long, in fact, that it is more than eighty characters long! The purpose of this line is for testing wrapping behavior because sometimes people don't wrap their text to eighty characters. Without the wrapping, the text might not look good in the RSS feed. Also, a list: * An entry that\'s actually kind of sort * an entry that\'s really long, which will probably get wrapped funny. That's ok, somebody wasn't thinking straight when they made it more than eighty characters. DESC end init = proc do |s| s.files = %w[lib/code.rb] s.require_paths = %w[lib] end @a2 = quick_gem('a', '2', &init) @a3a = quick_gem('a', '3.a', &init) @a_evil9 = quick_gem('a_evil', '9', &init) @b2 = quick_gem('b', '2', &init) @c1_2 = quick_gem('c', '1.2', &init) @pl1 = quick_gem 'pl', '1' do |s| # l for legacy s.files = %w[lib/code.rb] s.require_paths = %w[lib] s.platform = Gem::Platform.new 'i386-linux' s.instance_variable_set :@original_platform, 'i386-linux' end if prerelease @a2_pre = quick_gem('a', '2.a', &init) write_file File.join(*%W[gems #{@a2_pre.original_name} lib code.rb]) util_build_gem @a2_pre end write_file File.join(*%W[gems #{@a1.original_name} lib code.rb]) write_file File.join(*%W[gems #{@a2.original_name} lib code.rb]) write_file File.join(*%W[gems #{@a3a.original_name} lib code.rb]) write_file File.join(*%W[gems #{@b2.original_name} lib code.rb]) write_file File.join(*%W[gems #{@c1_2.original_name} lib code.rb]) write_file File.join(*%W[gems #{@pl1.original_name} lib code.rb]) [@a1, @a2, @a3a, @a_evil9, @b2, @c1_2, @pl1].each do |spec| util_build_gem spec end FileUtils.rm_r File.join(@gemhome, "gems", @pl1.original_name) end ## # Set the platform to +arch+ def util_set_arch(arch) Gem::ConfigMap[:arch] = arch platform = Gem::Platform.new arch Gem.instance_variable_set :@platforms, nil Gem::Platform.instance_variable_set :@local, nil platform end ## # Sets up a fake fetcher using the gems from #util_make_gems. Optionally # additional +prerelease+ gems may be included. # # Gems created by this method may be fetched using Gem::RemoteFetcher. def util_setup_fake_fetcher(prerelease = false) require 'zlib' require 'socket' require 'rubygems/remote_fetcher' @fetcher = Gem::FakeFetcher.new util_make_gems(prerelease) Gem::Specification.reset @all_gems = [@a1, @a2, @a3a, @a_evil9, @b2, @c1_2].sort @all_gem_names = @all_gems.map { |gem| gem.full_name } gem_names = [@a1.full_name, @a2.full_name, @a3a.full_name, @b2.full_name] @gem_names = gem_names.sort.join("\n") Gem::RemoteFetcher.fetcher = @fetcher end ## # Sets up Gem::SpecFetcher to return information from the gems in +specs+. # Best used with +@all_gems+ from #util_setup_fake_fetcher. def util_setup_spec_fetcher(*specs) specs -= Gem::Specification._all Gem::Specification.add_specs(*specs) spec_fetcher = Gem::SpecFetcher.fetcher prerelease, _ = Gem::Specification.partition { |spec| spec.version.prerelease? } spec_fetcher.specs[@uri] = [] Gem::Specification.each do |spec| spec_tuple = [spec.name, spec.version, spec.original_platform] spec_fetcher.specs[@uri] << spec_tuple end spec_fetcher.latest_specs[@uri] = [] Gem::Specification.latest_specs.each do |spec| spec_tuple = [spec.name, spec.version, spec.original_platform] spec_fetcher.latest_specs[@uri] << spec_tuple end spec_fetcher.prerelease_specs[@uri] = [] prerelease.each do |spec| spec_tuple = [spec.name, spec.version, spec.original_platform] spec_fetcher.prerelease_specs[@uri] << spec_tuple end v = Gem.marshal_version Gem::Specification.each do |spec| path = "#{@gem_repo}quick/Marshal.#{v}/#{spec.original_name}.gemspec.rz" data = Marshal.dump spec data_deflate = Zlib::Deflate.deflate data @fetcher.data[path] = data_deflate end unless Gem::RemoteFetcher === @fetcher # HACK for test_download_to_cache nil # force errors end ## # Deflates +data+ def util_zip(data) Zlib::Deflate.deflate data end ## # Is this test being run on a Windows platform? def self.win_platform? Gem.win_platform? end ## # Is this test being run on a Windows platform? def win_platform? Gem.win_platform? end ## # Returns whether or not we're on a version of Ruby built with VC++ (or # Borland) versus Cygwin, Mingw, etc. def self.vc_windows? RUBY_PLATFORM.match('mswin') end ## # Returns whether or not we're on a version of Ruby built with VC++ (or # Borland) versus Cygwin, Mingw, etc. def vc_windows? RUBY_PLATFORM.match('mswin') end ## # Returns the make command for the current platform. For versions of Ruby # built on MS Windows with VC++ or Borland it will return 'nmake'. On all # other platforms, including Cygwin, it will return 'make'. def self.make_command ENV["make"] || (vc_windows? ? 'nmake' : 'make') end ## # Returns the make command for the current platform. For versions of Ruby # built on MS Windows with VC++ or Borland it will return 'nmake'. On all # other platforms, including Cygwin, it will return 'make'. def make_command ENV["make"] || (vc_windows? ? 'nmake' : 'make') end ## # Returns whether or not the nmake command could be found. def nmake_found? system('nmake /? 1>NUL 2>&1') end ## # Allows tests to use a random (but controlled) port number instead of # a hardcoded one. This helps CI tools when running parallels builds on # the same builder slave. def self.process_based_port @@process_based_port ||= 8000 + $$ % 1000 end ## # See ::process_based_port def process_based_port self.class.process_based_port end ## # Allows the proper version of +rake+ to be used for the test. def build_rake_in gem_ruby = Gem.ruby Gem.ruby = @@ruby env_rake = ENV["rake"] ENV["rake"] = @@rake yield @@rake ensure Gem.ruby = gem_ruby if env_rake ENV["rake"] = env_rake else ENV.delete("rake") end end ## # Finds the path to the ruby executable def self.rubybin ruby = ENV["RUBY"] return ruby if ruby ruby = "ruby" rubyexe = "#{ruby}.exe" 3.times do if File.exist? ruby and File.executable? ruby and !File.directory? ruby return File.expand_path(ruby) end if File.exist? rubyexe and File.executable? rubyexe return File.expand_path(rubyexe) end ruby = File.join("..", ruby) end begin require "rbconfig" File.join(RbConfig::CONFIG["bindir"], RbConfig::CONFIG["ruby_install_name"] + RbConfig::CONFIG["EXEEXT"]) rescue LoadError "ruby" end end @@ruby = rubybin env_rake = ENV['rake'] ruby19_rake = File.expand_path("bin/rake", @@project_dir) @@rake = if env_rake then ENV["rake"] elsif File.exist? ruby19_rake then @@ruby + " " + ruby19_rake else 'rake' end ## # Construct a new Gem::Dependency. def dep name, *requirements Gem::Dependency.new name, *requirements end ## # Constructs a new Gem::Requirement. def req *requirements return requirements.first if Gem::Requirement === requirements.first Gem::Requirement.create requirements end ## # Constructs a new Gem::Specification. def spec name, version, &block Gem::Specification.new name, v(version), &block end ## # Construct a new Gem::Version. def v string Gem::Version.create string end end