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ruby--ruby/test/ruby/test_process.rb
2022-09-20 11:12:11 +09:00

2662 lines
78 KiB
Ruby

# coding: utf-8
# frozen_string_literal: false
require 'test/unit'
require 'tempfile'
require 'timeout'
require 'io/wait'
require 'rbconfig'
class TestProcess < Test::Unit::TestCase
RUBY = EnvUtil.rubybin
def setup
Process.waitall
end
def teardown
Process.waitall
end
def windows?
self.class.windows?
end
def self.windows?
return /mswin|mingw|bccwin/ =~ RUBY_PLATFORM
end
def write_file(filename, content)
File.open(filename, "w") {|f|
f << content
}
end
def with_tmpchdir
Dir.mktmpdir {|d|
d = File.realpath(d)
Dir.chdir(d) {
yield d
}
}
end
def run_in_child(str) # should be called in a temporary directory
write_file("test-script", str)
Process.wait spawn(RUBY, "test-script")
$?
end
def test_rlimit_availability
begin
Process.getrlimit(nil)
rescue NotImplementedError
assert_raise(NotImplementedError) { Process.setrlimit }
rescue TypeError
assert_raise(ArgumentError) { Process.setrlimit }
end
end
def rlimit_exist?
Process.getrlimit(nil)
rescue NotImplementedError
return false
rescue TypeError
return true
end
def test_rlimit_nofile
return unless rlimit_exist?
with_tmpchdir {
write_file 's', <<-"End"
# Too small RLIMIT_NOFILE, such as zero, causes problems.
# [OpenBSD] Setting to zero freezes this test.
# [GNU/Linux] EINVAL on poll(). EINVAL on ruby's internal poll() ruby with "[ASYNC BUG] thread_timer: select".
pipes = IO.pipe
limit = pipes.map {|io| io.fileno }.min
result = 1
begin
Process.setrlimit(Process::RLIMIT_NOFILE, limit)
rescue Errno::EINVAL
result = 0
end
if result == 1
begin
IO.pipe
rescue Errno::EMFILE
result = 0
end
end
exit result
End
pid = spawn RUBY, "s"
Process.wait pid
assert_equal(0, $?.to_i, "#{$?}")
}
end
def test_rlimit_name
return unless rlimit_exist?
[
:AS, "AS",
:CORE, "CORE",
:CPU, "CPU",
:DATA, "DATA",
:FSIZE, "FSIZE",
:MEMLOCK, "MEMLOCK",
:MSGQUEUE, "MSGQUEUE",
:NICE, "NICE",
:NOFILE, "NOFILE",
:NPROC, "NPROC",
:RSS, "RSS",
:RTPRIO, "RTPRIO",
:RTTIME, "RTTIME",
:SBSIZE, "SBSIZE",
:SIGPENDING, "SIGPENDING",
:STACK, "STACK",
].each {|name|
if Process.const_defined? "RLIMIT_#{name}"
assert_nothing_raised { Process.getrlimit(name) }
else
assert_raise(ArgumentError) { Process.getrlimit(name) }
end
}
assert_raise(ArgumentError) { Process.getrlimit(:FOO) }
assert_raise(ArgumentError) { Process.getrlimit("FOO") }
assert_raise_with_message(ArgumentError, /\u{30eb 30d3 30fc}/) { Process.getrlimit("\u{30eb 30d3 30fc}") }
end
def test_rlimit_value
return unless rlimit_exist?
assert_raise(ArgumentError) { Process.setrlimit(:FOO, 0) }
assert_raise(ArgumentError) { Process.setrlimit(:CORE, :FOO) }
assert_raise_with_message(ArgumentError, /\u{30eb 30d3 30fc}/) { Process.setrlimit("\u{30eb 30d3 30fc}", 0) }
assert_raise_with_message(ArgumentError, /\u{30eb 30d3 30fc}/) { Process.setrlimit(:CORE, "\u{30eb 30d3 30fc}") }
with_tmpchdir do
s = run_in_child(<<-'End')
cur, max = Process.getrlimit(:NOFILE)
Process.setrlimit(:NOFILE, [max-10, cur].min)
begin
Process.setrlimit(:NOFILE, :INFINITY)
rescue Errno::EPERM
exit false
end
End
assert_not_predicate(s, :success?)
s = run_in_child(<<-'End')
cur, max = Process.getrlimit(:NOFILE)
Process.setrlimit(:NOFILE, [max-10, cur].min)
begin
Process.setrlimit(:NOFILE, "INFINITY")
rescue Errno::EPERM
exit false
end
End
assert_not_predicate(s, :success?)
end
end
TRUECOMMAND = [RUBY, '-e', '']
def test_execopts_opts
assert_nothing_raised {
Process.wait Process.spawn(*TRUECOMMAND, {})
}
assert_raise(ArgumentError) {
Process.wait Process.spawn(*TRUECOMMAND, :foo => 100)
}
assert_raise(ArgumentError) {
Process.wait Process.spawn(*TRUECOMMAND, Process => 100)
}
end
def test_execopts_pgroup
omit "system(:pgroup) is not supported" if windows?
assert_nothing_raised { system(*TRUECOMMAND, :pgroup=>false) }
io = IO.popen([RUBY, "-e", "print Process.getpgrp"])
assert_equal(Process.getpgrp.to_s, io.read)
io.close
io = IO.popen([RUBY, "-e", "print Process.getpgrp", :pgroup=>true])
assert_equal(io.pid.to_s, io.read)
io.close
assert_raise(ArgumentError) { system(*TRUECOMMAND, :pgroup=>-1) }
IO.popen([RUBY, '-egets'], 'w') do |f|
assert_raise(Errno::EPERM) {
Process.wait spawn(*TRUECOMMAND, :pgroup=>f.pid)
}
end
io1 = IO.popen([RUBY, "-e", "print Process.getpgrp", :pgroup=>true])
io2 = IO.popen([RUBY, "-e", "print Process.getpgrp", :pgroup=>io1.pid])
assert_equal(io1.pid.to_s, io1.read)
assert_equal(io1.pid.to_s, io2.read)
Process.wait io1.pid
Process.wait io2.pid
io1.close
io2.close
end
def test_execopts_rlimit
return unless rlimit_exist?
assert_raise(ArgumentError) { system(*TRUECOMMAND, :rlimit_foo=>0) }
assert_raise(ArgumentError) { system(*TRUECOMMAND, :rlimit_NOFILE=>0) }
assert_raise(ArgumentError) { system(*TRUECOMMAND, :rlimit_nofile=>[]) }
assert_raise(ArgumentError) { system(*TRUECOMMAND, :rlimit_nofile=>[1,2,3]) }
max = Process.getrlimit(:CORE).last
n = max
IO.popen([RUBY, "-e",
"puts Process.getrlimit(:CORE)", :rlimit_core=>n]) {|io|
assert_equal("#{n}\n#{n}\n", io.read)
}
n = 0
IO.popen([RUBY, "-e",
"puts Process.getrlimit(:CORE)", :rlimit_core=>n]) {|io|
assert_equal("#{n}\n#{n}\n", io.read)
}
n = max
IO.popen([RUBY, "-e",
"puts Process.getrlimit(:CORE)", :rlimit_core=>[n]]) {|io|
assert_equal("#{n}\n#{n}\n", io.read)
}
m, n = 0, max
IO.popen([RUBY, "-e",
"puts Process.getrlimit(:CORE)", :rlimit_core=>[m,n]]) {|io|
assert_equal("#{m}\n#{n}\n", io.read)
}
m, n = 0, 0
IO.popen([RUBY, "-e",
"puts Process.getrlimit(:CORE)", :rlimit_core=>[m,n]]) {|io|
assert_equal("#{m}\n#{n}\n", io.read)
}
n = max
IO.popen([RUBY, "-e",
"puts Process.getrlimit(:CORE), Process.getrlimit(:CPU)",
:rlimit_core=>n, :rlimit_cpu=>3600]) {|io|
assert_equal("#{n}\n#{n}\n""3600\n3600\n", io.read)
}
assert_raise(ArgumentError) do
system(RUBY, '-e', 'exit', 'rlimit_bogus'.to_sym => 123)
end
assert_separately([],"#{<<~"begin;"}\n#{<<~'end;'}", 'rlimit_cpu'.to_sym => 3600)
BUG = "[ruby-core:82033] [Bug #13744]"
begin;
assert_equal([3600,3600], Process.getrlimit(:CPU), BUG)
end;
assert_raise_with_message(ArgumentError, /bogus/) do
system(RUBY, '-e', 'exit', :rlimit_bogus => 123)
end
assert_raise_with_message(ArgumentError, /rlimit_cpu/) {
system(RUBY, '-e', 'exit', "rlimit_cpu\0".to_sym => 3600)
}
end
def test_overwrite_ENV
assert_separately([],"#{<<~"begin;"}\n#{<<~"end;"}")
BUG = "[ruby-core:105223] [Bug #18164]"
begin;
$VERBOSE = nil
ENV = {}
pid = spawn({}, *#{TRUECOMMAND.inspect})
ENV.replace({})
assert_kind_of(Integer, pid, BUG)
end;
end
MANDATORY_ENVS = %w[RUBYLIB MJIT_SEARCH_BUILD_DIR]
case RbConfig::CONFIG['target_os']
when /linux/
MANDATORY_ENVS << 'LD_PRELOAD'
when /mswin|mingw/
MANDATORY_ENVS.concat(%w[HOME USER TMPDIR])
when /darwin/
MANDATORY_ENVS.concat(ENV.keys.grep(/\A__CF_/))
end
if e = RbConfig::CONFIG['LIBPATHENV']
MANDATORY_ENVS << e
end
if e = RbConfig::CONFIG['PRELOADENV'] and !e.empty?
MANDATORY_ENVS << e
end
PREENVARG = ['-e', "%w[#{MANDATORY_ENVS.join(' ')}].each{|e|ENV.delete(e)}"]
ENVARG = ['-e', 'ENV.each {|k,v| puts "#{k}=#{v}" }']
ENVCOMMAND = [RUBY].concat(PREENVARG).concat(ENVARG)
def test_execopts_env
assert_raise(ArgumentError) {
system({"F=O"=>"BAR"}, *TRUECOMMAND)
}
with_tmpchdir {|d|
prog = "#{d}/notexist"
e = assert_raise(Errno::ENOENT) {
Process.wait Process.spawn({"FOO"=>"BAR"}, prog)
}
assert_equal(prog, e.message.sub(/.* - /, ''))
e = assert_raise(Errno::ENOENT) {
Process.wait Process.spawn({"FOO"=>"BAR"}, [prog, "blar"])
}
assert_equal(prog, e.message.sub(/.* - /, ''))
}
h = {}
cmd = [h, RUBY]
(ENV.keys + MANDATORY_ENVS).each do |k|
case k
when /\APATH\z/i
when *MANDATORY_ENVS
cmd << '-e' << "ENV.delete('#{k}')"
else
h[k] = nil
end
end
cmd << '-e' << 'puts ENV.keys.map{|e|e.upcase}'
IO.popen(cmd) {|io|
assert_equal("PATH\n", io.read)
}
IO.popen([{"FOO"=>"BAR"}, *ENVCOMMAND]) {|io|
assert_match(/^FOO=BAR$/, io.read)
}
with_tmpchdir {|d|
system({"fofo"=>"haha"}, *ENVCOMMAND, STDOUT=>"out")
assert_match(/^fofo=haha$/, File.read("out").chomp)
}
old = ENV["hmm"]
begin
ENV["hmm"] = "fufu"
IO.popen(ENVCOMMAND) {|io| assert_match(/^hmm=fufu$/, io.read) }
IO.popen([{"hmm"=>""}, *ENVCOMMAND]) {|io| assert_match(/^hmm=$/, io.read) }
IO.popen([{"hmm"=>nil}, *ENVCOMMAND]) {|io| assert_not_match(/^hmm=/, io.read) }
ENV["hmm"] = ""
IO.popen(ENVCOMMAND) {|io| assert_match(/^hmm=$/, io.read) }
IO.popen([{"hmm"=>""}, *ENVCOMMAND]) {|io| assert_match(/^hmm=$/, io.read) }
IO.popen([{"hmm"=>nil}, *ENVCOMMAND]) {|io| assert_not_match(/^hmm=/, io.read) }
ENV["hmm"] = nil
IO.popen(ENVCOMMAND) {|io| assert_not_match(/^hmm=/, io.read) }
IO.popen([{"hmm"=>""}, *ENVCOMMAND]) {|io| assert_match(/^hmm=$/, io.read) }
IO.popen([{"hmm"=>nil}, *ENVCOMMAND]) {|io| assert_not_match(/^hmm=/, io.read) }
ensure
ENV["hmm"] = old
end
assert_raise_with_message(ArgumentError, /fo=fo/) {
system({"fo=fo"=>"ha"}, *ENVCOMMAND)
}
assert_raise_with_message(ArgumentError, /\u{30c0}=\u{30e1}/) {
system({"\u{30c0}=\u{30e1}"=>"ha"}, *ENVCOMMAND)
}
end
def test_execopt_env_path
bug8004 = '[ruby-core:53103] [Bug #8004]'
Dir.mktmpdir do |d|
open("#{d}/tmp_script.cmd", "w") {|f| f.puts ": ;"; f.chmod(0755)}
assert_not_nil(pid = Process.spawn({"PATH" => d}, "tmp_script.cmd"), bug8004)
wpid, st = Process.waitpid2(pid)
assert_equal([pid, true], [wpid, st.success?], bug8004)
end
end
def _test_execopts_env_popen(cmd)
message = cmd.inspect
IO.popen({"FOO"=>"BAR"}, cmd) {|io|
assert_equal('FOO=BAR', io.read[/^FOO=.*/], message)
}
old = ENV["hmm"]
begin
ENV["hmm"] = "fufu"
IO.popen(cmd) {|io| assert_match(/^hmm=fufu$/, io.read, message)}
IO.popen({"hmm"=>""}, cmd) {|io| assert_match(/^hmm=$/, io.read, message)}
IO.popen({"hmm"=>nil}, cmd) {|io| assert_not_match(/^hmm=/, io.read, message)}
ENV["hmm"] = ""
IO.popen(cmd) {|io| assert_match(/^hmm=$/, io.read, message)}
IO.popen({"hmm"=>""}, cmd) {|io| assert_match(/^hmm=$/, io.read, message)}
IO.popen({"hmm"=>nil}, cmd) {|io| assert_not_match(/^hmm=/, io.read, message)}
ENV["hmm"] = nil
IO.popen(cmd) {|io| assert_not_match(/^hmm=/, io.read, message)}
IO.popen({"hmm"=>""}, cmd) {|io| assert_match(/^hmm=$/, io.read, message)}
IO.popen({"hmm"=>nil}, cmd) {|io| assert_not_match(/^hmm=/, io.read, message)}
ensure
ENV["hmm"] = old
end
end
def test_execopts_env_popen_vector
_test_execopts_env_popen(ENVCOMMAND)
end
def test_execopts_env_popen_string
with_tmpchdir do |d|
open('test-script', 'w') do |f|
ENVCOMMAND.each_with_index do |cmd, i|
next if i.zero? or cmd == "-e"
f.puts cmd
end
end
_test_execopts_env_popen("#{RUBY} test-script")
end
end
def test_execopts_preserve_env_on_exec_failure
with_tmpchdir {|d|
write_file 's', <<-"End"
ENV["mgg"] = nil
prog = "./nonexistent"
begin
Process.exec({"mgg" => "mggoo"}, [prog, prog])
rescue Errno::ENOENT
end
open('out', 'w') {|f|
f.print ENV["mgg"].inspect
}
End
system(RUBY, 's')
assert_equal(nil.inspect, File.read('out'),
"[ruby-core:44093] [ruby-trunk - Bug #6249]")
}
end
def test_execopts_env_single_word
with_tmpchdir {|d|
open("test_execopts_env_single_word.rb", "w") {|f|
f.puts "print ENV['hgga']"
}
system({"hgga"=>"ugu"}, RUBY,
:in => 'test_execopts_env_single_word.rb',
:out => 'test_execopts_env_single_word.out')
assert_equal('ugu', File.read('test_execopts_env_single_word.out'))
}
end
def test_execopts_unsetenv_others
h = {}
MANDATORY_ENVS.each {|k| e = ENV[k] and h[k] = e}
IO.popen([h, *ENVCOMMAND, :unsetenv_others=>true]) {|io|
assert_equal("", io.read)
}
IO.popen([h.merge("A"=>"B"), *ENVCOMMAND, :unsetenv_others=>true]) {|io|
assert_equal("A=B\n", io.read)
}
end
PWD = [RUBY, '-e', 'puts Dir.pwd']
def test_execopts_chdir
with_tmpchdir {|d|
IO.popen([*PWD, :chdir => d]) {|io|
assert_equal(d, io.read.chomp)
}
assert_raise_with_message(Errno::ENOENT, %r"d/notexist") {
Process.wait Process.spawn(*PWD, :chdir => "d/notexist")
}
n = "d/\u{1F37A}"
assert_raise_with_message(Errno::ENOENT, /#{n}/) {
Process.wait Process.spawn(*PWD, :chdir => n)
}
}
end
def test_execopts_open_chdir
with_tmpchdir {|d|
Dir.mkdir "foo"
system(*PWD, :chdir => "foo", :out => "open_chdir_test")
assert_file.exist?("open_chdir_test")
assert_file.not_exist?("foo/open_chdir_test")
assert_equal("#{d}/foo", File.read("open_chdir_test").chomp)
}
end
def test_execopts_open_chdir_m17n_path
with_tmpchdir {|d|
Dir.mkdir "テスト"
(pwd = PWD.dup).insert(1, '-EUTF-8:UTF-8')
system(*pwd, :chdir => "テスト", :out => "open_chdir_テスト")
assert_file.exist?("open_chdir_テスト")
assert_file.not_exist?("テスト/open_chdir_テスト")
assert_equal("#{d}/テスト", File.read("open_chdir_テスト", encoding: "UTF-8").chomp)
}
end if windows? || Encoding.find('locale') == Encoding::UTF_8
def test_execopts_open_failure
with_tmpchdir {|d|
assert_raise_with_message(Errno::ENOENT, %r"d/notexist") {
Process.wait Process.spawn(*PWD, :in => "d/notexist")
}
assert_raise_with_message(Errno::ENOENT, %r"d/notexist") {
Process.wait Process.spawn(*PWD, :out => "d/notexist")
}
n = "d/\u{1F37A}"
assert_raise_with_message(Errno::ENOENT, /#{n}/) {
Process.wait Process.spawn(*PWD, :in => n)
}
assert_raise_with_message(Errno::ENOENT, /#{n}/) {
Process.wait Process.spawn(*PWD, :out => n)
}
}
end
UMASK = [RUBY, '-e', 'printf "%04o\n", File.umask']
def test_execopts_umask
omit "umask is not supported" if windows?
IO.popen([*UMASK, :umask => 0]) {|io|
assert_equal("0000", io.read.chomp)
}
IO.popen([*UMASK, :umask => 0777]) {|io|
assert_equal("0777", io.read.chomp)
}
end
def with_pipe
begin
r, w = IO.pipe
yield r, w
ensure
r.close unless r.closed?
w.close unless w.closed?
end
end
def with_pipes(n)
ary = []
begin
n.times {
ary << IO.pipe
}
yield ary
ensure
ary.each {|r, w|
r.close unless r.closed?
w.close unless w.closed?
}
end
end
ECHO = lambda {|arg| [RUBY, '-e', "puts #{arg.dump}; STDOUT.flush"] }
SORT = [RUBY, '-e', "puts ARGF.readlines.sort"]
CAT = [RUBY, '-e', "IO.copy_stream STDIN, STDOUT"]
def test_execopts_redirect_fd
with_tmpchdir {|d|
Process.wait Process.spawn(*ECHO["a"], STDOUT=>["out", File::WRONLY|File::CREAT|File::TRUNC, 0644])
assert_equal("a", File.read("out").chomp)
if windows?
# currently telling to child the file modes is not supported.
open("out", "a") {|f| f.write "0\n"}
else
Process.wait Process.spawn(*ECHO["0"], STDOUT=>["out", File::WRONLY|File::CREAT|File::APPEND, 0644])
assert_equal("a\n0\n", File.read("out"))
end
Process.wait Process.spawn(*SORT, STDIN=>["out", File::RDONLY, 0644],
STDOUT=>["out2", File::WRONLY|File::CREAT|File::TRUNC, 0644])
assert_equal("0\na\n", File.read("out2"))
Process.wait Process.spawn(*ECHO["b"], [STDOUT, STDERR]=>["out", File::WRONLY|File::CREAT|File::TRUNC, 0644])
assert_equal("b", File.read("out").chomp)
# problem occur with valgrind
#Process.wait Process.spawn(*ECHO["a"], STDOUT=>:close, STDERR=>["out", File::WRONLY|File::CREAT|File::TRUNC, 0644])
#p File.read("out")
#assert_not_empty(File.read("out")) # error message such as "-e:1:in `flush': Bad file descriptor (Errno::EBADF)"
Process.wait Process.spawn(*ECHO["c"], STDERR=>STDOUT, STDOUT=>["out", File::WRONLY|File::CREAT|File::TRUNC, 0644])
assert_equal("c", File.read("out").chomp)
File.open("out", "w") {|f|
Process.wait Process.spawn(*ECHO["d"], STDOUT=>f)
assert_equal("d", File.read("out").chomp)
}
opts = {STDOUT=>["out", File::WRONLY|File::CREAT|File::TRUNC, 0644]}
opts.merge(3=>STDOUT, 4=>STDOUT, 5=>STDOUT, 6=>STDOUT, 7=>STDOUT) unless windows?
Process.wait Process.spawn(*ECHO["e"], opts)
assert_equal("e", File.read("out").chomp)
opts = {STDOUT=>["out", File::WRONLY|File::CREAT|File::TRUNC, 0644]}
opts.merge(3=>0, 4=>:in, 5=>STDIN, 6=>1, 7=>:out, 8=>STDOUT, 9=>2, 10=>:err, 11=>STDERR) unless windows?
Process.wait Process.spawn(*ECHO["ee"], opts)
assert_equal("ee", File.read("out").chomp)
unless windows?
# passing non-stdio fds is not supported on Windows
File.open("out", "w") {|f|
h = {STDOUT=>f, f=>STDOUT}
3.upto(30) {|i| h[i] = STDOUT if f.fileno != i }
Process.wait Process.spawn(*ECHO["f"], h)
assert_equal("f", File.read("out").chomp)
}
end
assert_raise(ArgumentError) {
Process.wait Process.spawn(*ECHO["f"], 1=>Process)
}
assert_raise(ArgumentError) {
Process.wait Process.spawn(*ECHO["f"], [Process]=>1)
}
assert_raise(ArgumentError) {
Process.wait Process.spawn(*ECHO["f"], [1, STDOUT]=>2)
}
assert_raise(ArgumentError) {
Process.wait Process.spawn(*ECHO["f"], -1=>2)
}
Process.wait Process.spawn(*ECHO["hhh\nggg\n"], STDOUT=>"out")
assert_equal("hhh\nggg\n", File.read("out"))
Process.wait Process.spawn(*SORT, STDIN=>"out", STDOUT=>"out2")
assert_equal("ggg\nhhh\n", File.read("out2"))
unless windows?
# passing non-stdio fds is not supported on Windows
assert_raise(Errno::ENOENT) {
Process.wait Process.spawn("non-existing-command", (3..60).to_a=>["err", File::WRONLY|File::CREAT])
}
assert_equal("", File.read("err"))
end
system(*ECHO["bb\naa\n"], STDOUT=>["out", "w"])
assert_equal("bb\naa\n", File.read("out"))
system(*SORT, STDIN=>["out"], STDOUT=>"out2")
assert_equal("aa\nbb\n", File.read("out2"))
}
end
def test_execopts_redirect_open_order_normal
minfd = 3
maxfd = 20
with_tmpchdir {|d|
opts = {}
minfd.upto(maxfd) {|fd| opts[fd] = ["out#{fd}", "w"] }
system RUBY, "-e", "#{minfd}.upto(#{maxfd}) {|fd| IO.new(fd).print fd.to_s }", opts
minfd.upto(maxfd) {|fd| assert_equal(fd.to_s, File.read("out#{fd}")) }
}
end unless windows? # passing non-stdio fds is not supported on Windows
def test_execopts_redirect_open_order_reverse
minfd = 3
maxfd = 20
with_tmpchdir {|d|
opts = {}
maxfd.downto(minfd) {|fd| opts[fd] = ["out#{fd}", "w"] }
system RUBY, "-e", "#{minfd}.upto(#{maxfd}) {|fd| IO.new(fd).print fd.to_s }", opts
minfd.upto(maxfd) {|fd| assert_equal(fd.to_s, File.read("out#{fd}")) }
}
end unless windows? # passing non-stdio fds is not supported on Windows
def test_execopts_redirect_open_fifo
with_tmpchdir {|d|
begin
File.mkfifo("fifo")
rescue NotImplementedError
return
end
assert_file.pipe?("fifo")
t1 = Thread.new {
system(*ECHO["output to fifo"], :out=>"fifo")
}
t2 = Thread.new {
IO.popen([*CAT, :in=>"fifo"]) {|f| f.read }
}
_, v2 = assert_join_threads([t1, t2])
assert_equal("output to fifo\n", v2)
}
end unless windows? # does not support fifo
def test_execopts_redirect_open_fifo_interrupt_raise
with_tmpchdir {|d|
begin
File.mkfifo("fifo")
rescue NotImplementedError
return
end
IO.popen([RUBY, '-e', <<-'EOS']) {|io|
class E < StandardError; end
trap(:USR1) { raise E }
begin
puts "start"
STDOUT.flush
system("cat", :in => "fifo")
rescue E
puts "ok"
end
EOS
assert_equal("start\n", io.gets)
sleep 0.5
Process.kill(:USR1, io.pid)
assert_equal("ok\n", io.read)
}
}
end unless windows? # does not support fifo
def test_execopts_redirect_open_fifo_interrupt_print
with_tmpchdir {|d|
begin
File.mkfifo("fifo")
rescue NotImplementedError
return
end
IO.popen([RUBY, '-e', <<-'EOS']) {|io|
STDOUT.sync = true
trap(:USR1) { print "trap\n" }
puts "start"
system("cat", :in => "fifo")
EOS
assert_equal("start\n", io.gets)
sleep 0.2 # wait for the child to stop at opening "fifo"
Process.kill(:USR1, io.pid)
assert_equal("trap\n", io.readpartial(8))
File.write("fifo", "ok\n")
assert_equal("ok\n", io.read)
}
}
end unless windows? # does not support fifo
def test_execopts_redirect_pipe
with_pipe {|r1, w1|
with_pipe {|r2, w2|
opts = {STDIN=>r1, STDOUT=>w2}
opts.merge(w1=>:close, r2=>:close) unless windows?
pid = spawn(*SORT, opts)
r1.close
w2.close
w1.puts "c"
w1.puts "a"
w1.puts "b"
w1.close
assert_equal("a\nb\nc\n", r2.read)
r2.close
Process.wait(pid)
}
}
unless windows?
# passing non-stdio fds is not supported on Windows
with_pipes(5) {|pipes|
ios = pipes.flatten
h = {}
ios.length.times {|i| h[ios[i]] = ios[(i-1)%ios.length] }
h2 = h.invert
_rios = pipes.map {|r, w| r }
wios = pipes.map {|r, w| w }
child_wfds = wios.map {|w| h2[w].fileno }
pid = spawn(RUBY, "-e",
"[#{child_wfds.join(',')}].each {|fd| IO.new(fd, 'w').puts fd }", h)
pipes.each {|r, w|
assert_equal("#{h2[w].fileno}\n", r.gets)
}
Process.wait pid;
}
with_pipes(5) {|pipes|
ios = pipes.flatten
h = {}
ios.length.times {|i| h[ios[i]] = ios[(i+1)%ios.length] }
h2 = h.invert
_rios = pipes.map {|r, w| r }
wios = pipes.map {|r, w| w }
child_wfds = wios.map {|w| h2[w].fileno }
pid = spawn(RUBY, "-e",
"[#{child_wfds.join(',')}].each {|fd| IO.new(fd, 'w').puts fd }", h)
pipes.each {|r, w|
assert_equal("#{h2[w].fileno}\n", r.gets)
}
Process.wait pid
}
closed_fd = nil
with_pipes(5) {|pipes|
io = pipes.last.last
closed_fd = io.fileno
}
assert_raise(Errno::EBADF) { Process.wait spawn(*TRUECOMMAND, closed_fd=>closed_fd) }
with_pipe {|r, w|
if w.respond_to?(:"close_on_exec=")
w.close_on_exec = true
pid = spawn(RUBY, "-e", "IO.new(#{w.fileno}, 'w').print 'a'", w=>w)
w.close
assert_equal("a", r.read)
Process.wait pid
end
}
# ensure standard FDs we redirect to are blocking for compatibility
with_pipes(3) do |pipes|
src = 'p [STDIN,STDOUT,STDERR].map(&:nonblock?)'
rdr = { 0 => pipes[0][0], 1 => pipes[1][1], 2 => pipes[2][1] }
pid = spawn(RUBY, '-rio/nonblock', '-e', src, rdr)
assert_equal("[false, false, false]\n", pipes[1][0].gets)
Process.wait pid
end
end
end
def test_execopts_redirect_symbol
with_tmpchdir {|d|
system(*ECHO["funya"], :out=>"out")
assert_equal("funya\n", File.read("out"))
system(RUBY, '-e', 'STDOUT.reopen(STDERR); puts "henya"', :err=>"out")
assert_equal("henya\n", File.read("out"))
IO.popen([*CAT, :in=>"out"]) {|io|
assert_equal("henya\n", io.read)
}
}
end
def test_execopts_redirect_nonascii_path
bug9946 = '[ruby-core:63185] [Bug #9946]'
with_tmpchdir {|d|
path = "t-\u{30c6 30b9 30c8 f6}.txt"
system(*ECHO["a"], out: path)
assert_file.for(bug9946).exist?(path)
assert_equal("a\n", File.read(path), bug9946)
}
end
def test_execopts_redirect_to_out_and_err
with_tmpchdir {|d|
ret = system(RUBY, "-e", 'STDERR.print "e"; STDOUT.print "o"', [:out, :err] => "foo")
assert_equal(true, ret)
assert_equal("eo", File.read("foo"))
ret = system(RUBY, "-e", 'STDERR.print "E"; STDOUT.print "O"', [:err, :out] => "bar")
assert_equal(true, ret)
assert_equal("EO", File.read("bar"))
}
end
def test_execopts_redirect_dup2_child
with_tmpchdir {|d|
Process.wait spawn(RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'",
STDOUT=>"out", STDERR=>[:child, STDOUT])
assert_equal("errout", File.read("out"))
Process.wait spawn(RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'",
STDERR=>"out", STDOUT=>[:child, STDERR])
assert_equal("errout", File.read("out"))
omit "inheritance of fd other than stdin,stdout and stderr is not supported" if windows?
Process.wait spawn(RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'",
STDOUT=>"out",
STDERR=>[:child, 3],
3=>[:child, 4],
4=>[:child, STDOUT]
)
assert_equal("errout", File.read("out"))
IO.popen([RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'", STDERR=>[:child, STDOUT]]) {|io|
assert_equal("errout", io.read)
}
assert_raise(ArgumentError) { Process.wait spawn(*TRUECOMMAND, STDOUT=>[:child, STDOUT]) }
assert_raise(ArgumentError) { Process.wait spawn(*TRUECOMMAND, 3=>[:child, 4], 4=>[:child, 3]) }
assert_raise(ArgumentError) { Process.wait spawn(*TRUECOMMAND, 3=>[:child, 4], 4=>[:child, 5], 5=>[:child, 3]) }
assert_raise(ArgumentError) { Process.wait spawn(*TRUECOMMAND, STDOUT=>[:child, 3]) }
}
end
def test_execopts_exec
with_tmpchdir {|d|
write_file("s", 'exec "echo aaa", STDOUT=>"foo"')
pid = spawn RUBY, 's'
Process.wait pid
assert_equal("aaa\n", File.read("foo"))
}
end
def test_execopts_popen
with_tmpchdir {|d|
IO.popen("#{RUBY} -e 'puts :foo'") {|io| assert_equal("foo\n", io.read) }
assert_raise(Errno::ENOENT) { IO.popen(["echo bar"]) {} } # assuming "echo bar" command not exist.
IO.popen(ECHO["baz"]) {|io| assert_equal("baz\n", io.read) }
}
end
def test_execopts_popen_stdio
with_tmpchdir {|d|
assert_raise(ArgumentError) {
IO.popen([*ECHO["qux"], STDOUT=>STDOUT]) {|io| }
}
IO.popen([*ECHO["hoge"], STDERR=>STDOUT]) {|io|
assert_equal("hoge\n", io.read)
}
assert_raise(ArgumentError) {
IO.popen([*ECHO["fuga"], STDOUT=>"out"]) {|io| }
}
}
end
def test_execopts_popen_extra_fd
omit "inheritance of fd other than stdin,stdout and stderr is not supported" if windows?
with_tmpchdir {|d|
with_pipe {|r, w|
IO.popen([RUBY, '-e', 'IO.new(3, "w").puts("a"); puts "b"', 3=>w]) {|io|
assert_equal("b\n", io.read)
}
w.close
assert_equal("a\n", r.read)
}
IO.popen([RUBY, '-e', "IO.new(9, 'w').puts(:b)",
9=>["out2", File::WRONLY|File::CREAT|File::TRUNC]]) {|io|
assert_equal("", io.read)
}
assert_equal("b\n", File.read("out2"))
}
end
def test_popen_fork
IO.popen("-") {|io|
if !io
puts "fooo"
else
assert_equal("fooo\n", io.read)
end
}
rescue NotImplementedError
end
def test_fd_inheritance
omit "inheritance of fd other than stdin,stdout and stderr is not supported" if windows?
with_pipe {|r, w|
system(RUBY, '-e', 'IO.new(ARGV[0].to_i, "w").puts(:ba)', w.fileno.to_s, w=>w)
w.close
assert_equal("ba\n", r.read)
}
with_pipe {|r, w|
Process.wait spawn(RUBY, '-e',
'IO.new(ARGV[0].to_i, "w").puts("bi") rescue nil',
w.fileno.to_s)
w.close
assert_equal("", r.read)
}
with_pipe {|r, w|
with_tmpchdir {|d|
write_file("s", <<-"End")
exec(#{RUBY.dump}, '-e',
'IO.new(ARGV[0].to_i, "w").puts("bu") rescue nil',
#{w.fileno.to_s.dump}, :close_others=>false)
End
w.close_on_exec = false
Process.wait spawn(RUBY, "s", :close_others=>false)
w.close
assert_equal("bu\n", r.read)
}
}
with_pipe {|r, w|
io = IO.popen([RUBY, "-e", "STDERR.reopen(STDOUT); IO.new(#{w.fileno}, 'w').puts('me')"])
begin
w.close
errmsg = io.read
assert_equal("", r.read)
assert_not_equal("", errmsg)
ensure
io.close
end
}
with_pipe {|r, w|
errmsg = `#{RUBY} -e "STDERR.reopen(STDOUT); IO.new(#{w.fileno}, 'w').puts(123)"`
w.close
assert_equal("", r.read)
assert_not_equal("", errmsg)
}
end
def test_execopts_close_others
omit "inheritance of fd other than stdin,stdout and stderr is not supported" if windows?
with_tmpchdir {|d|
with_pipe {|r, w|
system(RUBY, '-e', 'STDERR.reopen("err", "w"); IO.new(ARGV[0].to_i, "w").puts("ma")', w.fileno.to_s, :close_others=>true)
w.close
assert_equal("", r.read)
assert_not_equal("", File.read("err"))
File.unlink("err")
}
with_pipe {|r, w|
Process.wait spawn(RUBY, '-e', 'STDERR.reopen("err", "w"); IO.new(ARGV[0].to_i, "w").puts("mi")', w.fileno.to_s, :close_others=>true)
w.close
assert_equal("", r.read)
assert_not_equal("", File.read("err"))
File.unlink("err")
}
with_pipe {|r, w|
w.close_on_exec = false
Process.wait spawn(RUBY, '-e', 'IO.new(ARGV[0].to_i, "w").puts("bi")', w.fileno.to_s, :close_others=>false)
w.close
assert_equal("bi\n", r.read)
}
with_pipe {|r, w|
write_file("s", <<-"End")
exec(#{RUBY.dump}, '-e',
'STDERR.reopen("err", "w"); IO.new(ARGV[0].to_i, "w").puts("mu")',
#{w.fileno.to_s.dump},
:close_others=>true)
End
Process.wait spawn(RUBY, "s", :close_others=>false)
w.close
assert_equal("", r.read)
assert_not_equal("", File.read("err"))
File.unlink("err")
}
with_pipe {|r, w|
io = IO.popen([RUBY, "-e", "STDERR.reopen(STDOUT); IO.new(#{w.fileno}, 'w').puts('me')", :close_others=>true])
begin
w.close
errmsg = io.read
assert_equal("", r.read)
assert_not_equal("", errmsg)
ensure
io.close
end
}
with_pipe {|r, w|
w.close_on_exec = false
io = IO.popen([RUBY, "-e", "STDERR.reopen(STDOUT); IO.new(#{w.fileno}, 'w').puts('mo')", :close_others=>false])
begin
w.close
errmsg = io.read
assert_equal("mo\n", r.read)
assert_equal("", errmsg)
ensure
io.close
end
}
with_pipe {|r, w|
w.close_on_exec = false
io = IO.popen([RUBY, "-e", "STDERR.reopen(STDOUT); IO.new(#{w.fileno}, 'w').puts('mo')", :close_others=>nil])
begin
w.close
errmsg = io.read
assert_equal("mo\n", r.read)
assert_equal("", errmsg)
ensure
io.close
end
}
}
end
def test_close_others_default_false
IO.pipe do |r,w|
w.close_on_exec = false
src = "IO.new(#{w.fileno}).puts(:hi)"
assert_equal true, system(*%W(#{RUBY} --disable=gems -e #{src}))
assert_equal "hi\n", r.gets
end
end unless windows? # passing non-stdio fds is not supported on Windows
def test_execopts_redirect_self
begin
with_pipe {|r, w|
w << "haha\n"
w.close
r.close_on_exec = true
IO.popen([RUBY, "-e", "print IO.new(#{r.fileno}, 'r').read", r.fileno=>r.fileno, :close_others=>false]) {|io|
assert_equal("haha\n", io.read)
}
}
rescue NotImplementedError
omit "IO#close_on_exec= is not supported"
end
end unless windows? # passing non-stdio fds is not supported on Windows
def test_execopts_redirect_tempfile
bug6269 = '[ruby-core:44181]'
Tempfile.create("execopts") do |tmp|
pid = assert_nothing_raised(ArgumentError, bug6269) do
break spawn(RUBY, "-e", "print $$", out: tmp)
end
Process.wait(pid)
tmp.rewind
assert_equal(pid.to_s, tmp.read)
end
end
def test_execopts_duplex_io
IO.popen("#{RUBY} -e ''", "r+") {|duplex|
assert_raise(ArgumentError) { system("#{RUBY} -e ''", duplex=>STDOUT) }
assert_raise(ArgumentError) { system("#{RUBY} -e ''", STDOUT=>duplex) }
}
end
def test_execopts_modification
h = {}
Process.wait spawn(*TRUECOMMAND, h)
assert_equal({}, h)
h = {}
system(*TRUECOMMAND, h)
assert_equal({}, h)
h = {}
io = IO.popen([*TRUECOMMAND, h])
io.close
assert_equal({}, h)
end
def test_system_noshell
str = "echo non existing command name which contains spaces"
assert_nil(system([str, str]))
end
def test_spawn_noshell
str = "echo non existing command name which contains spaces"
assert_raise(Errno::ENOENT) { spawn([str, str]) }
end
def test_popen_noshell
str = "echo non existing command name which contains spaces"
assert_raise(Errno::ENOENT) { IO.popen([str, str]) }
end
def test_exec_noshell
with_tmpchdir {|d|
write_file("s", <<-"End")
str = "echo non existing command name which contains spaces"
STDERR.reopen(STDOUT)
begin
exec [str, str]
rescue Errno::ENOENT
print "Errno::ENOENT success"
end
End
r = IO.popen([RUBY, "s", :close_others=>false], "r") {|f| f.read}
assert_equal("Errno::ENOENT success", r)
}
end
def test_system_wordsplit
with_tmpchdir {|d|
write_file("script", <<-'End')
File.open("result", "w") {|t| t << "haha pid=#{$$} ppid=#{Process.ppid}" }
exit 5
End
str = "#{RUBY} script"
ret = system(str)
status = $?
assert_equal(false, ret)
assert_predicate(status, :exited?)
assert_equal(5, status.exitstatus)
assert_equal("haha pid=#{status.pid} ppid=#{$$}", File.read("result"))
}
end
def test_spawn_wordsplit
with_tmpchdir {|d|
write_file("script", <<-'End')
File.open("result", "w") {|t| t << "hihi pid=#{$$} ppid=#{Process.ppid}" }
exit 6
End
str = "#{RUBY} script"
pid = spawn(str)
Process.wait pid
status = $?
assert_equal(pid, status.pid)
assert_predicate(status, :exited?)
assert_equal(6, status.exitstatus)
assert_equal("hihi pid=#{status.pid} ppid=#{$$}", File.read("result"))
}
end
def test_popen_wordsplit
with_tmpchdir {|d|
write_file("script", <<-'End')
print "fufu pid=#{$$} ppid=#{Process.ppid}"
exit 7
End
str = "#{RUBY} script"
io = IO.popen(str)
pid = io.pid
result = io.read
io.close
status = $?
assert_equal(pid, status.pid)
assert_predicate(status, :exited?)
assert_equal(7, status.exitstatus)
assert_equal("fufu pid=#{status.pid} ppid=#{$$}", result)
}
end
def test_popen_wordsplit_beginning_and_trailing_spaces
with_tmpchdir {|d|
write_file("script", <<-'End')
print "fufumm pid=#{$$} ppid=#{Process.ppid}"
exit 7
End
str = " #{RUBY} script "
io = IO.popen(str)
pid = io.pid
result = io.read
io.close
status = $?
assert_equal(pid, status.pid)
assert_predicate(status, :exited?)
assert_equal(7, status.exitstatus)
assert_equal("fufumm pid=#{status.pid} ppid=#{$$}", result)
}
end
def test_exec_wordsplit
with_tmpchdir {|d|
write_file("script", <<-'End')
File.open("result", "w") {|t|
if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
t << "hehe ppid=#{Process.ppid}"
else
t << "hehe pid=#{$$} ppid=#{Process.ppid}"
end
}
exit 6
End
write_file("s", <<-"End")
ruby = #{RUBY.dump}
exec "\#{ruby} script"
End
pid = spawn(RUBY, "s")
Process.wait pid
status = $?
assert_equal(pid, status.pid)
assert_predicate(status, :exited?)
assert_equal(6, status.exitstatus)
if windows?
expected = "hehe ppid=#{status.pid}"
else
expected = "hehe pid=#{status.pid} ppid=#{$$}"
end
assert_equal(expected, File.read("result"))
}
end
def test_system_shell
with_tmpchdir {|d|
write_file("script1", <<-'End')
File.open("result1", "w") {|t| t << "taka pid=#{$$} ppid=#{Process.ppid}" }
exit 7
End
write_file("script2", <<-'End')
File.open("result2", "w") {|t| t << "taki pid=#{$$} ppid=#{Process.ppid}" }
exit 8
End
ret = system("#{RUBY} script1 || #{RUBY} script2")
status = $?
assert_equal(false, ret)
assert_predicate(status, :exited?)
result1 = File.read("result1")
result2 = File.read("result2")
assert_match(/\Ataka pid=\d+ ppid=\d+\z/, result1)
assert_match(/\Ataki pid=\d+ ppid=\d+\z/, result2)
assert_not_equal(result1[/\d+/].to_i, status.pid)
if windows?
Dir.mkdir(path = "path with space")
write_file(bat = path + "/bat test.bat", "@echo %1>out")
system(bat, "foo 'bar'")
assert_equal(%["foo 'bar'"\n], File.read("out"), '[ruby-core:22960]')
system(%[#{bat.dump} "foo 'bar'"])
assert_equal(%["foo 'bar'"\n], File.read("out"), '[ruby-core:22960]')
end
}
end
def test_spawn_shell
with_tmpchdir {|d|
write_file("script1", <<-'End')
File.open("result1", "w") {|t| t << "taku pid=#{$$} ppid=#{Process.ppid}" }
exit 7
End
write_file("script2", <<-'End')
File.open("result2", "w") {|t| t << "take pid=#{$$} ppid=#{Process.ppid}" }
exit 8
End
pid = spawn("#{RUBY} script1 || #{RUBY} script2")
Process.wait pid
status = $?
assert_predicate(status, :exited?)
assert_not_predicate(status, :success?)
result1 = File.read("result1")
result2 = File.read("result2")
assert_match(/\Ataku pid=\d+ ppid=\d+\z/, result1)
assert_match(/\Atake pid=\d+ ppid=\d+\z/, result2)
assert_not_equal(result1[/\d+/].to_i, status.pid)
if windows?
Dir.mkdir(path = "path with space")
write_file(bat = path + "/bat test.bat", "@echo %1>out")
pid = spawn(bat, "foo 'bar'")
Process.wait pid
status = $?
assert_predicate(status, :exited?)
assert_predicate(status, :success?)
assert_equal(%["foo 'bar'"\n], File.read("out"), '[ruby-core:22960]')
pid = spawn(%[#{bat.dump} "foo 'bar'"])
Process.wait pid
status = $?
assert_predicate(status, :exited?)
assert_predicate(status, :success?)
assert_equal(%["foo 'bar'"\n], File.read("out"), '[ruby-core:22960]')
end
}
end
def test_popen_shell
with_tmpchdir {|d|
write_file("script1", <<-'End')
puts "tako pid=#{$$} ppid=#{Process.ppid}"
exit 7
End
write_file("script2", <<-'End')
puts "tika pid=#{$$} ppid=#{Process.ppid}"
exit 8
End
io = IO.popen("#{RUBY} script1 || #{RUBY} script2")
result = io.read
io.close
status = $?
assert_predicate(status, :exited?)
assert_not_predicate(status, :success?)
assert_match(/\Atako pid=\d+ ppid=\d+\ntika pid=\d+ ppid=\d+\n\z/, result)
assert_not_equal(result[/\d+/].to_i, status.pid)
if windows?
Dir.mkdir(path = "path with space")
write_file(bat = path + "/bat test.bat", "@echo %1")
r = IO.popen([bat, "foo 'bar'"]) {|f| f.read}
assert_equal(%["foo 'bar'"\n], r, '[ruby-core:22960]')
r = IO.popen(%[#{bat.dump} "foo 'bar'"]) {|f| f.read}
assert_equal(%["foo 'bar'"\n], r, '[ruby-core:22960]')
end
}
end
def test_exec_shell
with_tmpchdir {|d|
write_file("script1", <<-'End')
File.open("result1", "w") {|t| t << "tiki pid=#{$$} ppid=#{Process.ppid}" }
exit 7
End
write_file("script2", <<-'End')
File.open("result2", "w") {|t| t << "tiku pid=#{$$} ppid=#{Process.ppid}" }
exit 8
End
write_file("s", <<-"End")
ruby = #{RUBY.dump}
exec("\#{ruby} script1 || \#{ruby} script2")
End
pid = spawn RUBY, "s"
Process.wait pid
status = $?
assert_predicate(status, :exited?)
assert_not_predicate(status, :success?)
result1 = File.read("result1")
result2 = File.read("result2")
assert_match(/\Atiki pid=\d+ ppid=\d+\z/, result1)
assert_match(/\Atiku pid=\d+ ppid=\d+\z/, result2)
assert_not_equal(result1[/\d+/].to_i, status.pid)
}
end
def test_argv0
with_tmpchdir {|d|
assert_equal(false, system([RUBY, "asdfg"], "-e", "exit false"))
assert_equal(true, system([RUBY, "zxcvb"], "-e", "exit true"))
Process.wait spawn([RUBY, "poiu"], "-e", "exit 4")
assert_equal(4, $?.exitstatus)
assert_equal("1", IO.popen([[RUBY, "qwerty"], "-e", "print 1"]) {|f| f.read })
write_file("s", <<-"End")
exec([#{RUBY.dump}, "lkjh"], "-e", "exit 5")
End
pid = spawn RUBY, "s"
Process.wait pid
assert_equal(5, $?.exitstatus)
}
end
def with_stdin(filename)
open(filename) {|f|
begin
old = STDIN.dup
begin
STDIN.reopen(filename)
yield
ensure
STDIN.reopen(old)
end
ensure
old.close
end
}
end
def test_argv0_noarg
with_tmpchdir {|d|
open("t", "w") {|f| f.print "exit true" }
open("f", "w") {|f| f.print "exit false" }
with_stdin("t") { assert_equal(true, system([RUBY, "qaz"])) }
with_stdin("f") { assert_equal(false, system([RUBY, "wsx"])) }
with_stdin("t") { Process.wait spawn([RUBY, "edc"]) }
assert_predicate($?, :success?)
with_stdin("f") { Process.wait spawn([RUBY, "rfv"]) }
assert_not_predicate($?, :success?)
with_stdin("t") { IO.popen([[RUBY, "tgb"]]) {|io| assert_equal("", io.read) } }
assert_predicate($?, :success?)
with_stdin("f") { IO.popen([[RUBY, "yhn"]]) {|io| assert_equal("", io.read) } }
assert_not_predicate($?, :success?)
status = run_in_child "STDIN.reopen('t'); exec([#{RUBY.dump}, 'ujm'])"
assert_predicate(status, :success?)
status = run_in_child "STDIN.reopen('f'); exec([#{RUBY.dump}, 'ik,'])"
assert_not_predicate(status, :success?)
}
end
def test_argv0_keep_alive
assert_in_out_err([], <<~REPRO, ['-'], [], "[Bug #15887]")
$0 = "diverge"
4.times { GC.start }
puts Process.argv0
REPRO
end
def test_status
with_tmpchdir do
s = run_in_child("exit 1")
assert_equal("#<Process::Status: pid #{ s.pid } exit #{ s.exitstatus }>", s.inspect)
assert_equal(s, s)
assert_equal(s, s.to_i)
assert_equal(s.to_i & 0x55555555, s & 0x55555555)
assert_equal(s.to_i >> 1, s >> 1)
assert_equal(false, s.stopped?)
assert_equal(nil, s.stopsig)
assert_equal(s, Marshal.load(Marshal.dump(s)))
end
end
def test_status_kill
return unless Process.respond_to?(:kill)
return unless Signal.list.include?("KILL")
# assume the system supports signal if SIGQUIT is available
expected = Signal.list.include?("QUIT") ? [false, true, false, nil] : [true, false, false, true]
with_tmpchdir do
write_file("foo", "Process.kill(:KILL, $$); exit(42)")
system(RUBY, "foo")
s = $?
assert_equal(expected,
[s.exited?, s.signaled?, s.stopped?, s.success?],
"[s.exited?, s.signaled?, s.stopped?, s.success?]")
assert_equal(s, Marshal.load(Marshal.dump(s)))
end
end
def test_status_quit
return unless Process.respond_to?(:kill)
return unless Signal.list.include?("QUIT")
with_tmpchdir do
s = assert_in_out_err([], "Signal.trap(:QUIT,'DEFAULT'); Process.kill(:SIGQUIT, $$);sleep 30", //, //, rlimit_core: 0)
assert_equal([false, true, false, nil],
[s.exited?, s.signaled?, s.stopped?, s.success?],
"[s.exited?, s.signaled?, s.stopped?, s.success?]")
assert_equal("#<Process::Status: pid #{ s.pid } SIGQUIT (signal #{ s.termsig })>",
s.inspect.sub(/ \(core dumped\)(?=>\z)/, ''))
assert_equal(s, Marshal.load(Marshal.dump(s)))
end
end
def test_status_fail
ret = Process::Status.wait($$)
assert_instance_of(Process::Status, ret)
assert_equal(-1, ret.pid)
end
def test_status_wait
IO.popen([RUBY, "-e", "gets"], "w") do |io|
pid = io.pid
assert_nil(Process::Status.wait(pid, Process::WNOHANG))
io.puts
ret = Process::Status.wait(pid)
assert_instance_of(Process::Status, ret)
assert_equal(pid, ret.pid)
assert_predicate(ret, :exited?)
end
end
def test_wait_without_arg
with_tmpchdir do
write_file("foo", "sleep 0.1")
pid = spawn(RUBY, "foo")
assert_equal(pid, Process.wait)
end
end
def test_wait2
with_tmpchdir do
write_file("foo", "sleep 0.1")
pid = spawn(RUBY, "foo")
assert_equal([pid, 0], Process.wait2)
end
end
def test_waitall
with_tmpchdir do
write_file("foo", "sleep 0.1")
ps = (0...3).map { spawn(RUBY, "foo") }.sort
ss = Process.waitall.sort
ps.zip(ss) do |p1, (p2, s)|
assert_equal(p1, p2)
assert_equal(p1, s.pid)
end
end
end
def test_wait_exception
bug11340 = '[ruby-dev:49176] [Bug #11340]'
t0 = t1 = nil
sec = 3
code = "puts;STDOUT.flush;Thread.start{gets;exit};sleep(#{sec})"
IO.popen([RUBY, '-e', code], 'r+') do |f|
pid = f.pid
f.gets
t0 = Time.now
th = Thread.start(Thread.current) do |main|
Thread.pass until main.stop?
main.raise Interrupt
end
begin
assert_raise(Interrupt) {Process.wait(pid)}
ensure
th.kill.join
end
t1 = Time.now
diff = t1 - t0
assert_operator(diff, :<, sec,
->{"#{bug11340}: #{diff} seconds to interrupt Process.wait"})
f.puts
end
end
def test_abort
with_tmpchdir do
s = run_in_child("abort")
assert_not_predicate(s, :success?)
write_file("test-script", "#{<<~"begin;"}\n#{<<~'end;'}")
begin;
STDERR.reopen(STDOUT)
begin
raise "[Bug #16424]"
rescue
abort
end
end;
assert_include(IO.popen([RUBY, "test-script"], &:read), "[Bug #16424]")
end
end
def test_sleep
assert_raise(ArgumentError) { sleep(1, 1) }
[-1, -1.0, -1r].each do |sec|
assert_raise_with_message(ArgumentError, /not.*negative/) { sleep(sec) }
end
end
def test_getpgid
assert_kind_of(Integer, Process.getpgid(Process.ppid))
rescue NotImplementedError
end
def test_getpriority
assert_kind_of(Integer, Process.getpriority(Process::PRIO_PROCESS, $$))
rescue NameError, NotImplementedError
end
def test_setpriority
if defined? Process::PRIO_USER
assert_nothing_raised do
pr = Process.getpriority(Process::PRIO_PROCESS, $$)
Process.setpriority(Process::PRIO_PROCESS, $$, pr)
end
end
end
def test_getuid
assert_kind_of(Integer, Process.uid)
end
def test_groups
gs = Process.groups
assert_instance_of(Array, gs)
gs.each {|g| assert_kind_of(Integer, g) }
rescue NotImplementedError
end
def test_maxgroups
max = Process.maxgroups
rescue NotImplementedError
else
assert_kind_of(Integer, max)
assert_predicate(max, :positive?)
omit "not limited to NGROUPS_MAX" if /darwin/ =~ RUBY_PLATFORM
gs = Process.groups
assert_operator(gs.size, :<=, max)
gs[0] ||= 0
assert_raise(ArgumentError) {Process.groups = gs * (max / gs.size + 1)}
end
def test_geteuid
assert_kind_of(Integer, Process.euid)
end
def test_seteuid
assert_nothing_raised(TypeError) {Process.euid += 0}
rescue NotImplementedError
end
def test_seteuid_name
user = (Etc.getpwuid(Process.euid).name rescue ENV["USER"]) or return
assert_nothing_raised(TypeError) {Process.euid = user}
rescue NotImplementedError
end
def test_getegid
assert_kind_of(Integer, Process.egid)
end
def test_setegid
omit "root can use Process.egid on Android platform" if RUBY_PLATFORM =~ /android/
assert_nothing_raised(TypeError) {Process.egid += 0}
rescue NotImplementedError
end
if Process::UID.respond_to?(:from_name)
def test_uid_from_name
if u = Etc.getpwuid(Process.uid)
assert_equal(Process.uid, Process::UID.from_name(u.name), u.name)
end
assert_raise_with_message(ArgumentError, /\u{4e0d 5b58 5728}/) {
Process::UID.from_name("\u{4e0d 5b58 5728}")
}
end
end
if Process::GID.respond_to?(:from_name) && !RUBY_PLATFORM.include?("android")
def test_gid_from_name
if g = Etc.getgrgid(Process.gid)
assert_equal(Process.gid, Process::GID.from_name(g.name), g.name)
end
expected_excs = [ArgumentError]
expected_excs << Errno::ENOENT if defined?(Errno::ENOENT)
expected_excs << Errno::ESRCH if defined?(Errno::ESRCH) # WSL 2 actually raises Errno::ESRCH
expected_excs << Errno::EBADF if defined?(Errno::EBADF)
expected_excs << Errno::EPERM if defined?(Errno::EPERM)
exc = assert_raise(*expected_excs) do
Process::GID.from_name("\u{4e0d 5b58 5728}") # fu son zai ("absent" in Kanji)
end
assert_match(/\u{4e0d 5b58 5728}/, exc.message) if exc.is_a?(ArgumentError)
end
end
def test_uid_re_exchangeable_p
r = Process::UID.re_exchangeable?
assert_include([true, false], r)
end
def test_gid_re_exchangeable_p
r = Process::GID.re_exchangeable?
assert_include([true, false], r)
end
def test_uid_sid_available?
r = Process::UID.sid_available?
assert_include([true, false], r)
end
def test_gid_sid_available?
r = Process::GID.sid_available?
assert_include([true, false], r)
end
def test_pst_inspect
assert_nothing_raised { Process::Status.allocate.inspect }
end
def test_wait_and_sigchild
if /freebsd|openbsd/ =~ RUBY_PLATFORM
# this relates #4173
# When ruby can use 2 cores, signal and wait4 may miss the signal.
omit "this fails on FreeBSD and OpenBSD on multithreaded environment"
end
signal_received = []
IO.pipe do |sig_r, sig_w|
Signal.trap(:CHLD) do
signal_received << true
sig_w.write('?')
end
pid = nil
IO.pipe do |r, w|
pid = fork { r.read(1); exit }
Thread.start {
Thread.current.report_on_exception = false
raise
}
w.puts
end
Process.wait pid
assert_send [sig_r, :wait_readable, 5], 'self-pipe not readable'
end
if defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled? # checking -DMJIT_FORCE_ENABLE. It may trigger extra SIGCHLD.
assert_equal [true], signal_received.uniq, "[ruby-core:19744]"
else
assert_equal [true], signal_received, "[ruby-core:19744]"
end
rescue NotImplementedError, ArgumentError
ensure
begin
Signal.trap(:CHLD, 'DEFAULT')
rescue ArgumentError
end
end
def test_no_curdir
if /solaris/i =~ RUBY_PLATFORM
omit "Temporary omit to avoid CI failures after commit to use realpath on required files"
end
with_tmpchdir {|d|
Dir.mkdir("vd")
status = nil
Dir.chdir("vd") {
dir = "#{d}/vd"
# OpenSolaris cannot remove the current directory.
system(RUBY, "--disable-gems", "-e", "Dir.chdir '..'; Dir.rmdir #{dir.dump}", err: File::NULL)
system({"RUBYLIB"=>nil}, RUBY, "--disable-gems", "-e", "exit true")
status = $?
}
assert_predicate(status, :success?, "[ruby-dev:38105]")
}
end
def test_fallback_to_sh
feature = '[ruby-core:32745]'
with_tmpchdir do |d|
open("tmp_script.#{$$}", "w") {|f| f.puts ": ;"; f.chmod(0755)}
assert_not_nil(pid = Process.spawn("./tmp_script.#{$$}"), feature)
wpid, st = Process.waitpid2(pid)
assert_equal([pid, true], [wpid, st.success?], feature)
open("tmp_script.#{$$}", "w") {|f| f.puts "echo $#: $@"; f.chmod(0755)}
result = IO.popen(["./tmp_script.#{$$}", "a b", "c"]) {|f| f.read}
assert_equal("2: a b c\n", result, feature)
open("tmp_script.#{$$}", "w") {|f| f.puts "echo $hghg"; f.chmod(0755)}
result = IO.popen([{"hghg" => "mogomogo"}, "./tmp_script.#{$$}", "a b", "c"]) {|f| f.read}
assert_equal("mogomogo\n", result, feature)
end
end if File.executable?("/bin/sh")
def test_spawn_too_long_path
bug4314 = '[ruby-core:34842]'
assert_fail_too_long_path(%w"echo", bug4314)
end
def test_aspawn_too_long_path
if /solaris/i =~ RUBY_PLATFORM && !defined?(Process::RLIMIT_NPROC)
omit "Too exhaustive test on platforms without Process::RLIMIT_NPROC such as Solaris 10"
end
bug4315 = '[ruby-core:34833] #7904 [ruby-core:52628] #11613'
assert_fail_too_long_path(%w"echo |", bug4315)
end
def assert_fail_too_long_path((cmd, sep), mesg)
sep ||= ""
min = 1_000 / (cmd.size + sep.size)
cmds = Array.new(min, cmd)
exs = [Errno::ENOENT]
exs << Errno::EINVAL if windows?
exs << Errno::E2BIG if defined?(Errno::E2BIG)
opts = {[STDOUT, STDERR]=>File::NULL}
opts[:rlimit_nproc] = 128 if defined?(Process::RLIMIT_NPROC)
EnvUtil.suppress_warning do
assert_raise(*exs, mesg) do
begin
loop do
Process.spawn(cmds.join(sep), opts)
min = [cmds.size, min].max
cmds *= 100
end
rescue NoMemoryError
size = cmds.size
raise if min >= size - 1
min = [min, size /= 2].max
cmds[size..-1] = []
raise if size < 250
retry
end
end
end
end
def test_system_sigpipe
return if windows?
pid = 0
with_tmpchdir do
assert_nothing_raised('[ruby-dev:12261]') do
EnvUtil.timeout(3) do
pid = spawn('yes | ls')
Process.waitpid pid
end
end
end
ensure
Process.kill(:KILL, pid) if (pid != 0) rescue false
end
if Process.respond_to?(:daemon)
def test_daemon_default
data = IO.popen("-", "r+") do |f|
break f.read if f
Process.daemon
puts "ng"
end
assert_equal("", data)
end
def test_daemon_noclose
data = IO.popen("-", "r+") do |f|
break f.read if f
Process.daemon(false, true)
puts "ok", Dir.pwd
end
assert_equal("ok\n/\n", data)
end
def test_daemon_nochdir_noclose
data = IO.popen("-", "r+") do |f|
break f.read if f
Process.daemon(true, true)
puts "ok", Dir.pwd
end
assert_equal("ok\n#{Dir.pwd}\n", data)
end
def test_daemon_readwrite
data = IO.popen("-", "r+") do |f|
if f
f.puts "ok?"
break f.read
end
Process.daemon(true, true)
puts STDIN.gets
end
assert_equal("ok?\n", data)
end
def test_daemon_pid
cpid, dpid = IO.popen("-", "r+") do |f|
break f.pid, Integer(f.read) if f
Process.daemon(false, true)
puts $$
end
assert_not_equal(cpid, dpid)
end
def test_daemon_detached
IO.popen("-", "r+") do |f|
if f
assert_equal(f.pid, Process.wait(f.pid))
dpid, ppid, dsid = 3.times.map {Integer(f.gets)}
message = "daemon #{dpid} should be detached"
assert_not_equal($$, ppid, message) # would be 1 almost always
assert_raise(Errno::ECHILD, message) {Process.wait(dpid)}
assert_kind_of(Integer, Process.kill(0, dpid), message)
assert_equal(dpid, dsid)
break # close f, and let the daemon resume and exit
end
Process.setsid rescue nil
Process.daemon(false, true)
puts $$, Process.ppid, Process.getsid
$stdin.gets # wait for the above assertions using signals
end
end
if File.directory?("/proc/self/task") && /netbsd[a-z]*[1-6]/ !~ RUBY_PLATFORM
def test_daemon_no_threads
pid, data = IO.popen("-", "r+") do |f|
break f.pid, f.readlines if f
Process.daemon(true, true)
puts Dir.entries("/proc/self/task") - %W[. ..]
end
bug4920 = '[ruby-dev:43873]'
assert_include(1..2, data.size, bug4920)
assert_not_include(data.map(&:to_i), pid)
end
else # darwin
def test_daemon_no_threads
data = EnvUtil.timeout(3) do
IO.popen("-") do |f|
break f.readlines.map(&:chomp) if f
th = Thread.start {sleep 3}
Process.daemon(true, true)
puts Thread.list.size, th.status.inspect
end
end
assert_equal(["1", "false"], data)
end
end
end
def test_popen_cloexec
return unless defined? Fcntl::FD_CLOEXEC
IO.popen([RUBY, "-e", ""]) {|io|
assert_predicate(io, :close_on_exec?)
}
end
def test_popen_exit
bug11510 = '[ruby-core:70671] [Bug #11510]'
pid = nil
opt = {timeout: 10, stdout_filter: ->(s) {pid = s}}
if windows?
opt[:new_pgroup] = true
else
opt[:pgroup] = true
end
assert_ruby_status(["-", RUBY], <<-'end;', bug11510, **opt)
RUBY = ARGV[0]
th = Thread.start {
Thread.current.abort_on_exception = true
IO.popen([RUBY, "-esleep 15", err: [:child, :out]]) {|f|
STDOUT.puts f.pid
STDOUT.flush
sleep(2)
}
}
sleep(0.001) until th.stop?
end;
assert_match(/\A\d+\Z/, pid)
ensure
if pid
pid = pid.to_i
[:TERM, :KILL].each {|sig| Process.kill(sig, pid) rescue break}
end
end
def test_popen_reopen
assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
begin;
io = File.open(IO::NULL)
io2 = io.dup
IO.popen("echo") {|f| io.reopen(f)}
io.reopen(io2)
end;
end
def test_execopts_new_pgroup
return unless windows?
assert_nothing_raised { system(*TRUECOMMAND, :new_pgroup=>true) }
assert_nothing_raised { system(*TRUECOMMAND, :new_pgroup=>false) }
assert_nothing_raised { spawn(*TRUECOMMAND, :new_pgroup=>true) }
assert_nothing_raised { IO.popen([*TRUECOMMAND, :new_pgroup=>true]) {} }
end
def test_execopts_uid
omit "root can use uid option of Kernel#system on Android platform" if RUBY_PLATFORM =~ /android/
feature6975 = '[ruby-core:47414]'
[30000, [Process.uid, ENV["USER"]]].each do |uid, user|
if user
assert_nothing_raised(feature6975) do
begin
system(*TRUECOMMAND, uid: user, exception: true)
rescue Errno::EPERM, Errno::EACCES, NotImplementedError
end
end
end
assert_nothing_raised(feature6975) do
begin
system(*TRUECOMMAND, uid: uid, exception: true)
rescue Errno::EPERM, Errno::EACCES, NotImplementedError
end
end
assert_nothing_raised(feature6975) do
begin
u = IO.popen([RUBY, "-e", "print Process.uid", uid: user||uid], &:read)
assert_equal(uid.to_s, u, feature6975)
rescue Errno::EPERM, Errno::EACCES, NotImplementedError
end
end
end
end
def test_execopts_gid
omit "Process.groups not implemented on Windows platform" if windows?
omit "root can use Process.groups on Android platform" if RUBY_PLATFORM =~ /android/
feature6975 = '[ruby-core:47414]'
groups = Process.groups.map do |g|
g = Etc.getgrgid(g) rescue next
[g.name, g.gid]
end
groups.compact!
[30000, *groups].each do |group, gid|
assert_nothing_raised(feature6975) do
begin
system(*TRUECOMMAND, gid: group)
rescue Errno::EPERM, NotImplementedError
end
end
gid = "#{gid || group}"
assert_nothing_raised(feature6975) do
begin
g = IO.popen([RUBY, "-e", "print Process.gid", gid: group], &:read)
# AIX allows a non-root process to setgid to its supplementary group,
# while other UNIXes do not. (This might be AIX's violation of the POSIX standard.)
# However, Ruby does not allow a setgid'ed Ruby process to use the -e option.
# As a result, the Ruby process invoked by "IO.popen([RUBY, "-e", ..." above fails
# with a message like "no -e allowed while running setgid (SecurityError)" to stderr,
# the exis status is set to 1, and the variable "g" is set to an empty string.
# To conclude, on AIX, if the "gid" variable is a supplementary group,
# the assert_equal next can fail, so skip it.
assert_equal(gid, g, feature6975) unless $?.exitstatus == 1 && /aix/ =~ RUBY_PLATFORM && gid != Process.gid
rescue Errno::EPERM, NotImplementedError
end
end
end
end
def test_sigpipe
system(RUBY, "-e", "")
with_pipe {|r, w|
r.close
assert_raise(Errno::EPIPE) { w.print "a" }
}
end
def test_sh_comment
IO.popen("echo a # fofoof") {|f|
assert_equal("a\n", f.read)
}
end if File.executable?("/bin/sh")
def test_sh_env
IO.popen("foofoo=barbar env") {|f|
lines = f.readlines
assert_operator(lines, :include?, "foofoo=barbar\n")
}
end if File.executable?("/bin/sh")
def test_sh_exec
IO.popen("exec echo exexexec") {|f|
assert_equal("exexexec\n", f.read)
}
end if File.executable?("/bin/sh")
def test_setsid
return unless Process.respond_to?(:setsid)
return unless Process.respond_to?(:getsid)
# OpenBSD and AIX don't allow Process::getsid(pid) when pid is in
# different session.
return if /openbsd|aix/ =~ RUBY_PLATFORM
IO.popen([RUBY, "-e", <<EOS]) do|io|
Marshal.dump(Process.getsid, STDOUT)
newsid = Process.setsid
Marshal.dump(newsid, STDOUT)
STDOUT.flush
# getsid() on MacOS X return ESRCH when target process is zombie
# even if it is valid process id.
sleep
EOS
begin
# test Process.getsid() w/o arg
assert_equal(Marshal.load(io), Process.getsid)
# test Process.setsid return value and Process::getsid(pid)
assert_equal(Marshal.load(io), Process.getsid(io.pid))
ensure
Process.kill(:KILL, io.pid) rescue nil
Process.wait(io.pid)
end
end
end
def test_spawn_nonascii
bug1771 = '[ruby-core:24309] [Bug #1771]'
with_tmpchdir do
[
"\u{7d05 7389}",
"zuf\u{00E4}llige_\u{017E}lu\u{0165}ou\u{010D}k\u{00FD}_\u{10D2 10D0 10DB 10D4 10DD 10E0 10D4 10D1}_\u{0440 0430 0437 043B 043E 0433 0430}_\u{548C 65B0 52A0 5761 4EE5 53CA 4E1C}",
"c\u{1EE7}a",
].each do |name|
msg = "#{bug1771} #{name}"
exename = "./#{name}.exe"
FileUtils.cp(ENV["COMSPEC"], exename)
assert_equal(true, system("#{exename} /c exit"), msg)
system("#{exename} /c exit 12")
assert_equal(12, $?.exitstatus, msg)
_, status = Process.wait2(Process.spawn("#{exename} /c exit 42"))
assert_equal(42, status.exitstatus, msg)
assert_equal("ok\n", `#{exename} /c echo ok`, msg)
assert_equal("ok\n", IO.popen("#{exename} /c echo ok", &:read), msg)
assert_equal("ok\n", IO.popen(%W"#{exename} /c echo ok", &:read), msg)
File.binwrite("#{name}.txt", "ok")
assert_equal("ok", `type #{name}.txt`)
end
end
end if windows?
def test_exec_nonascii
bug12841 = '[ruby-dev:49838] [Bug #12841]'
[
"\u{7d05 7389}",
"zuf\u{00E4}llige_\u{017E}lu\u{0165}ou\u{010D}k\u{00FD}_\u{10D2 10D0 10DB 10D4 10DD 10E0 10D4 10D1}_\u{0440 0430 0437 043B 043E 0433 0430}_\u{548C 65B0 52A0 5761 4EE5 53CA 4E1C}",
"c\u{1EE7}a",
].each do |arg|
begin
arg = arg.encode(Encoding.find("locale"))
rescue
else
assert_in_out_err([], "#{<<-"begin;"}\n#{<<-"end;"}", [arg], [], bug12841)
begin;
arg = "#{arg.b}".force_encoding("#{arg.encoding.name}")
exec(ENV["COMSPEC"]||"cmd.exe", "/c", "echo", arg)
end;
end
end
end if windows?
def test_clock_gettime
t1 = Process.clock_gettime(Process::CLOCK_REALTIME, :nanosecond)
t2 = Time.now; t2 = t2.tv_sec * 1000000000 + t2.tv_nsec
t3 = Process.clock_gettime(Process::CLOCK_REALTIME, :nanosecond)
assert_operator(t1, :<=, t2)
assert_operator(t2, :<=, t3)
assert_raise(Errno::EINVAL) { Process.clock_gettime(:foo) }
end
def test_clock_gettime_unit
t0 = Time.now.to_f
[
[:nanosecond, 1_000_000_000],
[:microsecond, 1_000_000],
[:millisecond, 1_000],
[:second, 1],
[:float_microsecond, 1_000_000.0],
[:float_millisecond, 1_000.0],
[:float_second, 1.0],
[nil, 1.0],
[:foo],
].each do |unit, num|
unless num
assert_raise(ArgumentError){ Process.clock_gettime(Process::CLOCK_REALTIME, unit) }
next
end
t1 = Process.clock_gettime(Process::CLOCK_REALTIME, unit)
assert_kind_of num.integer? ? Integer : num.class, t1, [unit, num].inspect
assert_in_delta t0, t1/num, 1, [unit, num].inspect
end
end
def test_clock_gettime_constants
Process.constants.grep(/\ACLOCK_/).each {|n|
c = Process.const_get(n)
begin
t = Process.clock_gettime(c)
rescue Errno::EINVAL
next
end
assert_kind_of(Float, t, "Process.clock_gettime(Process::#{n})")
}
end
def test_clock_gettime_GETTIMEOFDAY_BASED_CLOCK_REALTIME
n = :GETTIMEOFDAY_BASED_CLOCK_REALTIME
begin
t = Process.clock_gettime(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_gettime(:#{n})")
end
def test_clock_gettime_TIME_BASED_CLOCK_REALTIME
n = :TIME_BASED_CLOCK_REALTIME
t = Process.clock_gettime(n)
assert_kind_of(Float, t, "Process.clock_gettime(:#{n})")
end
def test_clock_gettime_TIMES_BASED_CLOCK_MONOTONIC
n = :TIMES_BASED_CLOCK_MONOTONIC
begin
t = Process.clock_gettime(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_gettime(:#{n})")
end
def test_clock_gettime_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
n = :GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
begin
t = Process.clock_gettime(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_gettime(:#{n})")
end
def test_clock_gettime_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID
n = :TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID
begin
t = Process.clock_gettime(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_gettime(:#{n})")
end
def test_clock_gettime_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID
n = :CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID
t = Process.clock_gettime(n)
assert_kind_of(Float, t, "Process.clock_gettime(:#{n})")
end
def test_clock_gettime_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
n = :MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
begin
t = Process.clock_gettime(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_gettime(:#{n})")
end
def test_clock_getres
r = Process.clock_getres(Process::CLOCK_REALTIME, :nanosecond)
rescue Errno::EINVAL
else
assert_kind_of(Integer, r)
assert_raise(Errno::EINVAL) { Process.clock_getres(:foo) }
end
def test_clock_getres_constants
Process.constants.grep(/\ACLOCK_/).each {|n|
c = Process.const_get(n)
begin
t = Process.clock_getres(c)
rescue Errno::EINVAL
next
end
assert_kind_of(Float, t, "Process.clock_getres(Process::#{n})")
}
end
def test_clock_getres_GETTIMEOFDAY_BASED_CLOCK_REALTIME
n = :GETTIMEOFDAY_BASED_CLOCK_REALTIME
begin
t = Process.clock_getres(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
assert_equal(1000, Process.clock_getres(n, :nanosecond))
end
def test_clock_getres_TIME_BASED_CLOCK_REALTIME
n = :TIME_BASED_CLOCK_REALTIME
t = Process.clock_getres(n)
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
assert_equal(1000000000, Process.clock_getres(n, :nanosecond))
end
def test_clock_getres_TIMES_BASED_CLOCK_MONOTONIC
n = :TIMES_BASED_CLOCK_MONOTONIC
begin
t = Process.clock_getres(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
f = Process.clock_getres(n, :hertz)
assert_equal(0, f - f.floor)
end
def test_clock_getres_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
n = :GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
begin
t = Process.clock_getres(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
assert_equal(1000, Process.clock_getres(n, :nanosecond))
end
def test_clock_getres_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID
n = :TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID
begin
t = Process.clock_getres(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
f = Process.clock_getres(n, :hertz)
assert_equal(0, f - f.floor)
end
def test_clock_getres_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID
n = :CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID
t = Process.clock_getres(n)
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
f = Process.clock_getres(n, :hertz)
assert_equal(0, f - f.floor)
end
def test_clock_getres_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
n = :MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
begin
t = Process.clock_getres(n)
rescue Errno::EINVAL
return
end
assert_kind_of(Float, t, "Process.clock_getres(:#{n})")
end
def test_deadlock_by_signal_at_forking
assert_separately(%W(--disable=gems - #{RUBY}), <<-INPUT, timeout: 100)
ruby = ARGV.shift
GC.start # reduce garbage
GC.disable # avoid triggering CoW after forks
trap(:QUIT) {}
parent = $$
100.times do |i|
pid = fork {Process.kill(:QUIT, parent)}
IO.popen([ruby, -'--disable=gems'], -'r+'){}
Process.wait(pid)
end
INPUT
end if defined?(fork)
def test_process_detach
pid = fork {}
th = Process.detach(pid)
assert_equal pid, th.pid
status = th.value
assert_predicate status, :success?
end if defined?(fork)
def test_kill_at_spawn_failure
bug11166 = '[ruby-core:69304] [Bug #11166]'
th = nil
x = with_tmpchdir {|d|
prog = "#{d}/notexist"
q = Thread::Queue.new
th = Thread.start {system(prog);q.push(nil);sleep}
q.pop
th.kill
th.join(0.1)
}
assert_equal(th, x, bug11166)
end if defined?(fork)
def test_exec_fd_3_redirect
# ensure we can redirect anything to fd=3 in a child process.
# fd=3 is a commonly reserved FD for the timer thread pipe in the
# parent, but fd=3 is the first FD used by the sd_listen_fds function
# for systemd
assert_separately(['-', RUBY], <<-INPUT, timeout: 60)
ruby = ARGV.shift
begin
a = IO.pipe
b = IO.pipe
pid = fork do
exec ruby, '-e', 'print IO.for_fd(3).read(1)', 3 => a[0], 1 => b[1]
end
b[1].close
a[0].close
a[1].write('.')
assert_equal ".", b[0].read(1)
ensure
Process.wait(pid) if pid
a.each(&:close) if a
b.each(&:close) if b
end
INPUT
end if defined?(fork)
def test_exec_close_reserved_fd
cmd = ".#{File::ALT_SEPARATOR || File::SEPARATOR}bug11353"
with_tmpchdir {
(3..6).each do |i|
ret = run_in_child(<<-INPUT)
begin
$VERBOSE = nil
Process.exec('#{cmd}', 'dummy', #{i} => :close)
rescue SystemCallError
end
INPUT
assert_equal(0, ret)
end
}
end
def test_signals_work_after_exec_fail
r, w = IO.pipe
pid = status = nil
EnvUtil.timeout(30) do
pid = fork do
r.close
begin
trap(:USR1) { w.syswrite("USR1\n"); exit 0 }
exec "/path/to/non/existent/#$$/#{rand}.ex"
rescue SystemCallError
w.syswrite("exec failed\n")
end
sleep
exit 1
end
w.close
assert_equal "exec failed\n", r.gets
Process.kill(:USR1, pid)
assert_equal "USR1\n", r.gets
assert_nil r.gets
_, status = Process.waitpid2(pid)
end
assert_predicate status, :success?
rescue Timeout::Error
begin
Process.kill(:KILL, pid)
rescue Errno::ESRCH
end
raise
ensure
w.close if w
r.close if r
end if defined?(fork)
def test_threading_works_after_exec_fail
r, w = IO.pipe
pid = status = nil
EnvUtil.timeout(90) do
pid = fork do
r.close
begin
exec "/path/to/non/existent/#$$/#{rand}.ex"
rescue SystemCallError
w.syswrite("exec failed\n")
end
q = Thread::Queue.new
th1 = Thread.new { i = 0; i += 1 while q.empty?; i }
th2 = Thread.new { j = 0; j += 1 while q.empty? && Thread.pass.nil?; j }
sleep 0.5
q << true
w.syswrite "#{th1.value} #{th2.value}\n"
end
w.close
assert_equal "exec failed\n", r.gets
vals = r.gets.split.map!(&:to_i)
assert_operator vals[0], :>, vals[1], vals.inspect
_, status = Process.waitpid2(pid)
end
assert_predicate status, :success?
rescue Timeout::Error
begin
Process.kill(:KILL, pid)
rescue Errno::ESRCH
end
raise
ensure
w.close if w
r.close if r
end if defined?(fork)
def test_rescue_exec_fail
assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
begin;
assert_raise(Errno::ENOENT) do
exec("", in: "")
end
end;
end
def test_many_args
bug11418 = '[ruby-core:70251] [Bug #11418]'
assert_in_out_err([], <<-"end;", ["x"]*256, [], bug11418, timeout: 60)
bin = "#{EnvUtil.rubybin}"
args = Array.new(256) {"x"}
GC.stress = true
system(bin, "--disable=gems", "-w", "-e", "puts ARGV", *args)
end;
end
def test_to_hash_on_arguments
all_assertions do |a|
%w[Array String].each do |type|
a.for(type) do
assert_separately(['-', EnvUtil.rubybin], <<~"END;")
class #{type}
def to_hash
raise "[Bug-12355]: #{type}#to_hash is called"
end
end
ex = ARGV[0]
assert_equal(true, system([ex, ex], "-e", ""))
END;
end
end
end
end
def test_forked_child_handles_signal
omit "fork not supported" unless Process.respond_to?(:fork)
assert_normal_exit(<<-"end;", '[ruby-core:82883] [Bug #13916]')
require 'timeout'
pid = fork { sleep }
Process.kill(:TERM, pid)
assert_equal pid, Timeout.timeout(30) { Process.wait(pid) }
end;
end
if Process.respond_to?(:initgroups)
def test_initgroups
assert_raise(ArgumentError) do
Process.initgroups("\0", 0)
end
end
end
def test_last_status
Process.wait spawn(RUBY, "-e", "exit 13")
assert_same(Process.last_status, $?)
end
def test_last_status_failure
assert_nil system("sad")
assert_not_predicate $?, :success?
assert_equal $?.exitstatus, 127
end
def test_exec_failure_leaves_no_child
assert_raise(Errno::ENOENT) do
spawn('inexistent_command')
end
assert_empty(Process.waitall)
end
def test__fork
r, w = IO.pipe
pid = Process._fork
if pid == 0
begin
r.close
w << "ok: #$$"
w.close
ensure
exit!
end
else
w.close
assert_equal("ok: #{pid}", r.read)
r.close
Process.waitpid(pid)
end
end if Process.respond_to?(:_fork)
def test__fork_hook
%w(fork Process.fork).each do |method|
feature17795 = '[ruby-core:103400] [Feature #17795]'
assert_in_out_err([], <<-"end;", [], [], feature17795, timeout: 60) do |r, e|
module ForkHook
def _fork
p :before
ret = super
p :after
ret
end
end
Process.singleton_class.prepend(ForkHook)
pid = #{ method }
p pid
Process.waitpid(pid) if pid
end;
assert_equal([], e)
assert_equal(":before", r.shift)
assert_equal(":after", r.shift)
s = r.map {|s| s.chomp }.sort #=> [pid, ":after", "nil"]
assert_match(/^\d+$/, s[0]) # pid
assert_equal(":after", s[1])
assert_equal("nil", s[2])
end
end
end if Process.respond_to?(:_fork)
def test__fork_hook_popen
feature17795 = '[ruby-core:103400] [Feature #17795]'
assert_in_out_err([], <<-"end;", %w(:before :after :after foo bar), [], feature17795, timeout: 60)
module ForkHook
def _fork
p :before
ret = super
p :after
ret
end
end
Process.singleton_class.prepend(ForkHook)
IO.popen("-") {|io|
if !io
puts "foo"
else
puts io.read + "bar"
end
}
end;
end if Process.respond_to?(:_fork)
def test__fork_wrong_type_hook
feature17795 = '[ruby-core:103400] [Feature #17795]'
assert_in_out_err([], <<-"end;", ["OK"], [], feature17795, timeout: 60)
module ForkHook
def _fork
"BOO"
end
end
Process.singleton_class.prepend(ForkHook)
begin
fork
rescue TypeError
puts "OK"
end
end;
end if Process.respond_to?(:_fork)
end