# frozen_string_literal: false require 'test/unit' require 'tempfile' require 'tmpdir' class TestRequire < Test::Unit::TestCase def test_load_error_path filename = "should_not_exist" error = assert_raise(LoadError) do require filename end assert_equal filename, error.path end def test_require_invalid_shared_object Tempfile.create(["test_ruby_test_require", ".so"]) {|t| t.puts "dummy" t.close assert_separately([], "#{<<~"begin;"}\n#{<<~"end;"}") begin; $:.replace([IO::NULL]) assert_raise(LoadError) do require \"#{ t.path }\" end end; } end def test_require_too_long_filename assert_separately(["RUBYOPT"=>nil], "#{<<~"begin;"}\n#{<<~"end;"}") begin; $:.replace([IO::NULL]) assert_raise(LoadError) do require '#{ "foo/" * 10000 }foo' end end; begin assert_in_out_err(["-S", "-w", "foo/" * 1024 + "foo"], "") do |r, e| assert_equal([], r) assert_operator(2, :<=, e.size) assert_match(/warning: openpath: pathname too long \(ignored\)/, e.first) assert_match(/\(LoadError\)/, e.last) end rescue Errno::EINVAL # too long commandline may be blocked by OS. end end def test_require_nonascii bug3758 = '[ruby-core:31915]' ["\u{221e}", "\x82\xa0".force_encoding("cp932")].each do |path| assert_raise_with_message(LoadError, /#{path}\z/, bug3758) {require path} end end def test_require_nonascii_path bug8165 = '[ruby-core:53733] [Bug #8165]' encoding = 'filesystem' assert_require_nonascii_path(encoding, bug8165) end def test_require_insecure_path assert_require_insecure_path("foo") encoding = 'filesystem' assert_require_insecure_path(nil, encoding) end def test_require_nonascii_path_utf8 bug8676 = '[ruby-core:56136] [Bug #8676]' encoding = Encoding::UTF_8 return if Encoding.find('filesystem') == encoding assert_require_nonascii_path(encoding, bug8676) end def test_require_insecure_path_utf8 encoding = Encoding::UTF_8 return if Encoding.find('filesystem') == encoding assert_require_insecure_path(nil, encoding) end def test_require_nonascii_path_shift_jis bug8676 = '[ruby-core:56136] [Bug #8676]' encoding = Encoding::Shift_JIS return if Encoding.find('filesystem') == encoding assert_require_nonascii_path(encoding, bug8676) end def test_require_insecure_path_shift_jis encoding = Encoding::Shift_JIS return if Encoding.find('filesystem') == encoding assert_require_insecure_path(nil, encoding) end case RUBY_PLATFORM when /cygwin/, /mswin/, /mingw/, /darwin/ def self.ospath_encoding(path) Encoding::UTF_8 end else def self.ospath_encoding(path) path.encoding end end SECURITY_WARNING = if /mswin|mingw/ =~ RUBY_PLATFORM nil else proc do |require_path| $SAFE = 1 require(require_path) ensure $SAFE = 0 end end def prepare_require_path(dir, encoding) Dir.mktmpdir {|tmp| begin require_path = File.join(tmp, dir, 'foo.rb').encode(encoding) rescue skip "cannot convert path encoding to #{encoding}" end Dir.mkdir(File.dirname(require_path)) open(require_path, "wb") {|f| f.puts '$:.push __FILE__'} begin load_path = $:.dup features = $".dup yield require_path ensure $:.replace(load_path) $".replace(features) end } end def assert_require_nonascii_path(encoding, bug) prepare_require_path("\u3042" * 5, encoding) {|require_path| begin # leave paths for require encoding objects bug = "#{bug} require #{encoding} path" require_path = "#{require_path}" $:.clear assert_nothing_raised(LoadError, bug) { assert(require(require_path), bug) assert_equal(self.class.ospath_encoding(require_path), $:.last.encoding, '[Bug #8753]') assert(!require(require_path), bug) } end } end def assert_require_insecure_path(dirname, encoding = nil) return unless SECURITY_WARNING dirname ||= "\u3042" * 5 encoding ||= dirname.encoding prepare_require_path(dirname, encoding) {|require_path| require_path.untaint require(require_path) $".pop File.chmod(0777, File.dirname(require_path)) require_path.encode('filesystem') rescue require_path.encode(self.class.ospath_encoding(require_path)) e = nil stderr = EnvUtil.verbose_warning do e = assert_raise(SecurityError) do SECURITY_WARNING.call(require_path) end end assert_include(e.message, "loading from unsafe path") assert_include(stderr, "Insecure world writable dir") require_path = require_path.encode(self.class.ospath_encoding(require_path)) assert_include(e.message, require_path) assert_include(stderr, File.dirname(require_path)) } end def test_require_path_home_1 env_rubypath, env_home = ENV["RUBYPATH"], ENV["HOME"] pathname_too_long = /pathname too long \(ignored\).*\(LoadError\)/m ENV["RUBYPATH"] = "~" ENV["HOME"] = "/foo" * 1024 assert_in_out_err(%w(-S -w test_ruby_test_require), "", [], pathname_too_long) ensure env_rubypath ? ENV["RUBYPATH"] = env_rubypath : ENV.delete("RUBYPATH") env_home ? ENV["HOME"] = env_home : ENV.delete("HOME") end def test_require_path_home_2 env_rubypath, env_home = ENV["RUBYPATH"], ENV["HOME"] pathname_too_long = /pathname too long \(ignored\).*\(LoadError\)/m ENV["RUBYPATH"] = "~" + "/foo" * 1024 ENV["HOME"] = "/foo" assert_in_out_err(%w(-S -w test_ruby_test_require), "", [], pathname_too_long) ensure env_rubypath ? ENV["RUBYPATH"] = env_rubypath : ENV.delete("RUBYPATH") env_home ? ENV["HOME"] = env_home : ENV.delete("HOME") end def test_require_path_home_3 env_rubypath, env_home = ENV["RUBYPATH"], ENV["HOME"] Tempfile.create(["test_ruby_test_require", ".rb"]) {|t| t.puts "p :ok" t.close ENV["RUBYPATH"] = "~" ENV["HOME"] = t.path assert_in_out_err(%w(-S test_ruby_test_require), "", [], /\(LoadError\)/) ENV["HOME"], name = File.split(t.path) assert_in_out_err(["-S", name], "", %w(:ok), []) } ensure env_rubypath ? ENV["RUBYPATH"] = env_rubypath : ENV.delete("RUBYPATH") env_home ? ENV["HOME"] = env_home : ENV.delete("HOME") end def test_require_with_unc Tempfile.create(["test_ruby_test_require", ".rb"]) {|t| t.puts "puts __FILE__" t.close path = File.expand_path(t.path).sub(/\A(\w):/, '//127.0.0.1/\1$') skip "local drive #$1: is not shared" unless File.exist?(path) args = ['--disable-gems', "-I#{File.dirname(path)}"] assert_in_out_err(args, "#{<<~"END;"}", [path], []) begin require '#{File.basename(path)}' rescue Errno::EPERM end END; } end if /mswin|mingw/ =~ RUBY_PLATFORM def test_require_twice Dir.mktmpdir do |tmp| req = File.join(tmp, "very_long_file_name.rb") File.write(req, "p :ok\n") assert_file.exist?(req) req[/.rb$/i] = "" assert_in_out_err(['--disable-gems'], <<-INPUT, %w(:ok), []) require "#{req}" require "#{req}" INPUT end end def assert_syntax_error_backtrace Dir.mktmpdir do |tmp| req = File.join(tmp, "test.rb") File.write(req, "'\n") e = assert_raise_with_message(SyntaxError, /unterminated/) { yield req } assert_not_nil(bt = e.backtrace) assert_not_empty(bt.find_all {|b| b.start_with? __FILE__}) end end def test_require_syntax_error assert_syntax_error_backtrace {|req| require req} end def test_load_syntax_error assert_syntax_error_backtrace {|req| load req} end def test_define_class begin require "socket" rescue LoadError return end assert_separately([], <<-INPUT) BasicSocket = 1 assert_raise(TypeError) do require 'socket' end INPUT assert_separately([], <<-INPUT) class BasicSocket; end assert_raise(TypeError) do require 'socket' end INPUT assert_separately([], <<-INPUT) class BasicSocket < IO; end assert_nothing_raised do require 'socket' end INPUT end def test_define_class_under begin require "zlib" rescue LoadError return end assert_separately([], <<-INPUT) module Zlib; end Zlib::Error = 1 assert_raise(TypeError) do require 'zlib' end INPUT assert_separately([], <<-INPUT) module Zlib; end class Zlib::Error; end assert_raise(TypeError) do require 'zlib' end INPUT assert_separately([], <<-INPUT) module Zlib; end class Zlib::Error < StandardError; end assert_nothing_raised do require 'zlib' end INPUT end def test_define_module begin require "zlib" rescue LoadError return end assert_separately([], <<-INPUT) Zlib = 1 assert_raise(TypeError) do require 'zlib' end INPUT end def test_define_module_under begin require "socket" rescue LoadError return end assert_separately([], <<-INPUT) class BasicSocket < IO; end class Socket < BasicSocket; end Socket::Constants = 1 assert_raise(TypeError) do require 'socket' end INPUT end def test_load Tempfile.create(["test_ruby_test_require", ".rb"]) {|t| t.puts "module Foo; end" t.puts "at_exit { p :wrap_end }" t.puts "at_exit { raise 'error in at_exit test' }" t.puts "p :ok" t.close assert_in_out_err([], <<-INPUT, %w(:ok :end :wrap_end), /error in at_exit test/) load(#{ t.path.dump }, true) GC.start p :end INPUT assert_raise(ArgumentError) { at_exit } } end def test_load_scope bug1982 = '[ruby-core:25039] [Bug #1982]' Tempfile.create(["test_ruby_test_require", ".rb"]) {|t| t.puts "Hello = 'hello'" t.puts "class Foo" t.puts " p Hello" t.puts "end" t.close assert_in_out_err([], <<-INPUT, %w("hello"), [], bug1982) load(#{ t.path.dump }, true) INPUT } end def test_load_ospath bug = '[ruby-list:49994] path in ospath' base = "test_load\u{3042 3044 3046 3048 304a}".encode(Encoding::Windows_31J) path = nil Tempfile.create([base, ".rb"]) do |t| path = t.path assert_raise_with_message(LoadError, /#{base}/) { load(File.join(File.dirname(path), base)) } t.puts "warn 'ok'" t.close assert_include(path, base) assert_warn("ok\n", bug) { assert_nothing_raised(LoadError, bug) { load(path) } } end end def test_tainted_loadpath Tempfile.create(["test_ruby_test_require", ".rb"]) {|t| abs_dir, file = File.split(t.path) abs_dir = File.expand_path(abs_dir).untaint assert_separately([], <<-INPUT) abs_dir = "#{ abs_dir }" $: << abs_dir assert_nothing_raised {require "#{ file }"} INPUT assert_separately([], <<-INPUT) abs_dir = "#{ abs_dir }" $: << abs_dir.taint assert_nothing_raised {require "#{ file }"} INPUT assert_separately([], <<-INPUT) abs_dir = "#{ abs_dir }" $: << abs_dir.taint $SAFE = 1 assert_raise(SecurityError) {require "#{ file }"} INPUT assert_separately([], <<-INPUT) abs_dir = "#{ abs_dir }" $: << abs_dir << 'elsewhere'.taint assert_nothing_raised {require "#{ file }"} INPUT } end def test_relative load_path = $:.dup $:.delete(".") Dir.mktmpdir do |tmp| Dir.chdir(tmp) do Dir.mkdir('x') File.open('x/t.rb', 'wb') {} File.open('x/a.rb', 'wb') {|f| f.puts("require_relative('t.rb')")} assert require('./x/t.rb') assert !require(File.expand_path('x/t.rb')) assert_nothing_raised(LoadError) {require('./x/a.rb')} assert_raise(LoadError) {require('x/t.rb')} File.unlink(*Dir.glob('x/*')) Dir.rmdir("#{tmp}/x") $:.replace(load_path) load_path = nil assert(!require('tmpdir')) end end ensure $:.replace(load_path) if load_path end def test_relative_symlink Dir.mktmpdir {|tmp| Dir.chdir(tmp) { Dir.mkdir "a" Dir.mkdir "b" File.open("a/lib.rb", "w") {|f| f.puts 'puts "a/lib.rb"' } File.open("b/lib.rb", "w") {|f| f.puts 'puts "b/lib.rb"' } File.open("a/tst.rb", "w") {|f| f.puts 'require_relative "lib"' } begin File.symlink("../a/tst.rb", "b/tst.rb") result = IO.popen([EnvUtil.rubybin, "b/tst.rb"], &:read) assert_equal("a/lib.rb\n", result, "[ruby-dev:40040]") rescue NotImplementedError, Errno::EACCES skip "File.symlink is not implemented" end } } end def test_frozen_loaded_features bug3756 = '[ruby-core:31913]' assert_in_out_err(['-e', '$LOADED_FEATURES.freeze; require "ostruct"'], "", [], /\$LOADED_FEATURES is frozen; cannot append feature \(RuntimeError\)$/, bug3756) end def test_race_exception bug5754 = '[ruby-core:41618]' path = nil stderr = $stderr verbose = $VERBOSE Tempfile.create(%w"bug5754 .rb") {|tmp| path = tmp.path tmp.print "#{<<~"begin;"}\n#{<<~"end;"}" begin; th = Thread.current t = th[:t] scratch = th[:scratch] if scratch.empty? scratch << :pre Thread.pass until t.stop? raise RuntimeError else scratch << :post end end; tmp.close class << (output = "") alias write concat end $stderr = output start = false scratch = [] t1_res = nil t2_res = nil t1 = Thread.new do Thread.pass until start begin require(path) rescue RuntimeError end t1_res = require(path) end t2 = Thread.new do Thread.pass until scratch[0] t2_res = require(path) end t1[:scratch] = t2[:scratch] = scratch t1[:t] = t2 t2[:t] = t1 $VERBOSE = true start = true assert_nothing_raised(ThreadError, bug5754) {t1.join} assert_nothing_raised(ThreadError, bug5754) {t2.join} $VERBOSE = false assert_equal(true, (t1_res ^ t2_res), bug5754 + " t1:#{t1_res} t2:#{t2_res}") assert_equal([:pre, :post], scratch, bug5754) assert_match(/circular require/, output) assert_match(/in #{__method__}'$/o, output) } ensure $VERBOSE = verbose $stderr = stderr $".delete(path) end def test_loaded_features_encoding bug6377 = '[ruby-core:44750]' loadpath = $:.dup features = $".dup $".clear $:.clear Dir.mktmpdir {|tmp| $: << tmp open(File.join(tmp, "foo.rb"), "w") {} require "foo" assert_send([Encoding, :compatible?, tmp, $"[0]], bug6377) } ensure $:.replace(loadpath) $".replace(features) end def test_require_changed_current_dir bug7158 = '[ruby-core:47970]' Dir.mktmpdir {|tmp| Dir.chdir(tmp) { Dir.mkdir("a") Dir.mkdir("b") open(File.join("a", "foo.rb"), "w") {} open(File.join("b", "bar.rb"), "w") {|f| f.puts "p :ok" } assert_in_out_err([], "#{<<~"begin;"}\n#{<<~"end;"}", %w(:ok), [], bug7158) begin; $:.replace([IO::NULL]) $: << "." Dir.chdir("a") require "foo" Dir.chdir("../b") p :ng unless require "bar" Dir.chdir("..") p :ng if require "b/bar" end; } } end def test_require_not_modified_load_path bug7158 = '[ruby-core:47970]' Dir.mktmpdir {|tmp| Dir.chdir(tmp) { open("foo.rb", "w") {} assert_in_out_err([], "#{<<~"begin;"}\n#{<<~"end;"}", %w(:ok), [], bug7158) begin; $:.replace([IO::NULL]) a = Object.new def a.to_str "#{tmp}" end $: << a require "foo" last_path = $:.pop p :ok if last_path == a && last_path.class == Object end; } } end def test_require_changed_home bug7158 = '[ruby-core:47970]' Dir.mktmpdir {|tmp| Dir.chdir(tmp) { open("foo.rb", "w") {} Dir.mkdir("a") open(File.join("a", "bar.rb"), "w") {} assert_in_out_err([], "#{<<~"begin;"}\n#{<<~"end;"}", %w(:ok), [], bug7158) begin; $:.replace([IO::NULL]) $: << '~' ENV['HOME'] = "#{tmp}" require "foo" ENV['HOME'] = "#{tmp}/a" p :ok if require "bar" end; } } end def test_require_to_path_redefined_in_load_path bug7158 = '[ruby-core:47970]' Dir.mktmpdir {|tmp| Dir.chdir(tmp) { open("foo.rb", "w") {} assert_in_out_err([{"RUBYOPT"=>nil}, '--disable-gems'], "#{<<~"begin;"}\n#{<<~"end;"}", %w(:ok), [], bug7158) begin; $:.replace([IO::NULL]) a = Object.new def a.to_path "bar" end $: << a begin require "foo" p [:ng, $LOAD_PATH, ENV['RUBYLIB']] rescue LoadError => e raise unless e.path == "foo" end def a.to_path "#{tmp}" end p :ok if require "foo" end; } } end def test_require_to_str_redefined_in_load_path bug7158 = '[ruby-core:47970]' Dir.mktmpdir {|tmp| Dir.chdir(tmp) { open("foo.rb", "w") {} assert_in_out_err([{"RUBYOPT"=>nil}, '--disable-gems'], "#{<<~"begin;"}\n#{<<~"end;"}", %w(:ok), [], bug7158) begin; $:.replace([IO::NULL]) a = Object.new def a.to_str "foo" end $: << a begin require "foo" p [:ng, $LOAD_PATH, ENV['RUBYLIB']] rescue LoadError => e raise unless e.path == "foo" end def a.to_str "#{tmp}" end p :ok if require "foo" end; } } end def assert_require_with_shared_array_modified(add, del) bug7383 = '[ruby-core:49518]' Dir.mktmpdir {|tmp| Dir.chdir(tmp) { open("foo.rb", "w") {} Dir.mkdir("a") open(File.join("a", "bar.rb"), "w") {} assert_in_out_err(['--disable-gems'], "#{<<~"begin;"}\n#{<<~"end;"}", %w(:ok), [], bug7383) begin; $:.replace([IO::NULL]) $:.#{add} "#{tmp}" $:.#{add} "#{tmp}/a" require "foo" $:.#{del} # Expanded load path cache should be rebuilt. begin require "bar" rescue LoadError => e if e.path == "bar" p :ok else raise end end end; } } end def test_require_with_array_pop assert_require_with_shared_array_modified("push", "pop") end def test_require_with_array_shift assert_require_with_shared_array_modified("unshift", "shift") end def test_require_local_var_on_toplevel bug7536 = '[ruby-core:50701]' Dir.mktmpdir {|tmp| Dir.chdir(tmp) { open("bar.rb", "w") {|f| f.puts 'TOPLEVEL_BINDING.eval("lib = 2")' } assert_in_out_err(%w[-r./bar.rb], "#{<<~"begin;"}\n#{<<~"end;"}", %w([:lib] 2), [], bug7536) begin; puts TOPLEVEL_BINDING.eval("local_variables").inspect puts TOPLEVEL_BINDING.eval("lib").inspect end; } } end def test_require_with_loaded_features_pop bug7530 = '[ruby-core:50645]' Tempfile.create(%w'bug-7530- .rb') {|script| script.close assert_in_out_err([{"RUBYOPT" => nil}, "-", script.path], "#{<<~"begin;"}\n#{<<~"end;"}", %w(:ok), [], bug7530, timeout: 60) begin; PATH = ARGV.shift THREADS = 4 ITERATIONS_PER_THREAD = 1000 THREADS.times.map { Thread.new do ITERATIONS_PER_THREAD.times do require PATH $".delete_if {|p| Regexp.new(PATH) =~ p} end end }.each(&:join) p :ok end; } end def test_loading_fifo_threading_raise Tempfile.create(%w'fifo .rb') {|f| f.close File.unlink(f.path) File.mkfifo(f.path) assert_separately(["-", f.path], "#{<<~"begin;"}\n#{<<~"end;"}", timeout: 3) begin; th = Thread.current Thread.start {begin sleep(0.001) end until th.stop?; th.raise(IOError)} assert_raise(IOError) do load(ARGV[0]) end end; } end if File.respond_to?(:mkfifo) def test_loading_fifo_threading_success Tempfile.create(%w'fifo .rb') {|f| f.close File.unlink(f.path) File.mkfifo(f.path) assert_separately(["-", f.path], "#{<<~"begin;"}\n#{<<~"end;"}", timeout: 3) begin; path = ARGV[0] th = Thread.current $ok = false Thread.start { begin sleep(0.001) end until th.stop? open(path, File::WRONLY | File::NONBLOCK) {|fifo_w| fifo_w.print "$ok = true\n__END__\n" # ensure finishing } } load(path) assert($ok) end; } end if File.respond_to?(:mkfifo) def test_loading_fifo_fd_leak Tempfile.create(%w'fifo .rb') {|f| f.close File.unlink(f.path) File.mkfifo(f.path) assert_separately(["-", f.path], "#{<<~"begin;"}\n#{<<~"end;"}", timeout: 3) begin; Process.setrlimit(Process::RLIMIT_NOFILE, 50) th = Thread.current 100.times do |i| Thread.start {begin sleep(0.001) end until th.stop?; th.raise(IOError)} assert_raise(IOError, "\#{i} time") do begin tap {tap {tap {load(ARGV[0])}}} rescue LoadError GC.start retry end end end end; } end if File.respond_to?(:mkfifo) and defined?(Process::RLIMIT_NOFILE) def test_throw_while_loading Tempfile.create(%w'bug-11404 .rb') do |f| f.puts 'sleep' f.close assert_separately(["-", f.path], "#{<<~"begin;"}\n#{<<~'end;'}") begin; path = ARGV[0] class Error < RuntimeError def exception(*) begin throw :blah rescue UncaughtThrowError end self end end assert_throw(:blah) do x = Thread.current Thread.start { sleep 0.00001 x.raise Error.new } load path end end; end end def test_symlink_load_path Dir.mktmpdir {|tmp| Dir.mkdir(File.join(tmp, "real")) begin File.symlink "real", File.join(tmp, "symlink") rescue NotImplementedError, Errno::EACCES skip "File.symlink is not implemented" end File.write(File.join(tmp, "real/a.rb"), "print __FILE__") result = IO.popen([EnvUtil.rubybin, "-I#{tmp}/symlink", "-e", "require 'a.rb'"], &:read) assert_operator(result, :end_with?, "/real/a.rb") } end if defined?(RubyVM.resolve_feature_path) def test_resolve_feature_path paths, loaded = $:.dup, $".dup Dir.mktmpdir do |tmp| Tempfile.create(%w[feature .rb], tmp) do |file| file.close path = File.realpath(file.path) dir, base = File.split(path) $:.unshift(dir) assert_equal([:rb, path], RubyVM.resolve_feature_path(base)) $".push(path) assert_equal([:rb, path], RubyVM.resolve_feature_path(base)) end end ensure $:.replace(paths) $".replace(loaded) end end end