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|
require 'test/unit'
require 'tmpdir'
require 'pathname'
require_relative 'envutil'
class TestProcess < Test::Unit::TestCase
RUBY = EnvUtil.rubybin
def setup
Process.waitall
end
def teardown
Process.waitall
end
def write_file(filename, content)
File.open(filename, "w") {|f|
f << content
}
end
def with_tmpchdir
Dir.mktmpdir {|d|
d = Pathname.new(d).realpath.to_s
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"
cur_nofile, max_nofile = Process.getrlimit(Process::RLIMIT_NOFILE)
result = 1
begin
Process.setrlimit(Process::RLIMIT_NOFILE, 0, max_nofile)
rescue Errno::EINVAL
result = 0
end
if result == 1
begin
IO.pipe
rescue Errno::EMFILE
result = 0
end
end
Process.setrlimit(Process::RLIMIT_NOFILE, cur_nofile, max_nofile)
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",
:NOFILE, "NOFILE",
:NPROC, "NPROC",
:RSS, "RSS",
:STACK, "STACK",
:SBSIZE, "SBSIZE",
].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") }
end
def test_rlimit_value
return unless rlimit_exist?
assert_raise(ArgumentError) { Process.setrlimit(:CORE, :FOO) }
assert_raise(Errno::EPERM) { Process.setrlimit(:NOFILE, :INFINITY) }
assert_raise(Errno::EPERM) { Process.setrlimit(:NOFILE, "INFINITY") }
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
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) }
assert_raise(Errno::EPERM) { Process.wait spawn(*TRUECOMMAND, :pgroup=>2) }
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",
"p Process.getrlimit(:CORE)", :rlimit_core=>n]) {|io|
assert_equal("[#{n}, #{n}]\n", io.read)
}
n = 0
IO.popen([RUBY, "-e",
"p Process.getrlimit(:CORE)", :rlimit_core=>n]) {|io|
assert_equal("[#{n}, #{n}]\n", io.read)
}
n = max
IO.popen([RUBY, "-e",
"p Process.getrlimit(:CORE)", :rlimit_core=>[n]]) {|io|
assert_equal("[#{n}, #{n}]", io.read.chomp)
}
m, n = 0, max
IO.popen([RUBY, "-e",
"p Process.getrlimit(:CORE)", :rlimit_core=>[m,n]]) {|io|
assert_equal("[#{m}, #{n}]", io.read.chomp)
}
m, n = 0, 0
IO.popen([RUBY, "-e",
"p Process.getrlimit(:CORE)", :rlimit_core=>[m,n]]) {|io|
assert_equal("[#{m}, #{n}]", io.read.chomp)
}
n = max
IO.popen([RUBY, "-e",
"p Process.getrlimit(:CORE), Process.getrlimit(:CPU)",
:rlimit_core=>n, :rlimit_cpu=>3600]) {|io|
assert_equal("[#{n}, #{n}]\n[3600, 3600]", io.read.chomp)
}
end
ENVCOMMAND = [RUBY, '-e', 'ENV.each {|k,v| puts "#{k}=#{v}" }']
def test_execopts_env
assert_raise(ArgumentError) {
system({"F=O"=>"BAR"}, *TRUECOMMAND)
}
h = {}
ENV.each {|k,v| h[k] = nil unless k.upcase == "PATH" }
IO.popen([h, RUBY, '-e', 'puts ENV.keys.map{|e|e.upcase}']) {|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)
}
end
def test_execopts_unsetenv_others
IO.popen([*ENVCOMMAND, :unsetenv_others=>true]) {|io|
assert_equal("", io.read)
}
IO.popen([{"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(Errno::ENOENT) {
Process.wait Process.spawn(*PWD, :chdir => "d/notexist")
}
}
end
UMASK = [RUBY, '-e', 'printf "%04o\n", File.umask']
def test_execopts_umask
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
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)
Process.wait Process.spawn(*ECHO["0"], STDOUT=>["out", File::WRONLY|File::CREAT|File::APPEND, 0644])
assert_equal("a\n0\n", File.read("out"))
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(!File.read("out").empty?) # 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"], f=>STDOUT, STDOUT=>f)
assert_equal("d", File.read("out").chomp)
}
Process.wait Process.spawn(*ECHO["e"], STDOUT=>["out", File::WRONLY|File::CREAT|File::TRUNC, 0644],
3=>STDOUT, 4=>STDOUT, 5=>STDOUT, 6=>STDOUT, 7=>STDOUT)
assert_equal("e", File.read("out").chomp)
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)
}
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"))
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"))
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"))
with_pipe {|r1, w1|
with_pipe {|r2, w2|
pid = spawn(*SORT, STDIN=>r1, STDOUT=>w2, w1=>:close, r2=>:close)
r1.close
w2.close
w1.puts "c"
w1.puts "a"
w1.puts "b"
w1.close
assert_equal("a\nb\nc\n", r2.read)
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).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).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|
w.close_on_exec = true
pid = spawn(RUBY, "-e", "IO.new(#{w.fileno}).print 'a'", w=>w)
w.close
assert_equal("a", r.read)
Process.wait pid
}
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_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) }
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| }
}
with_pipe {|r, w|
IO.popen([RUBY, '-e', 'IO.new(3).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).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
return if /freebsd/ =~ RUBY_PLATFORM # this test freeze in FreeBSD
IO.popen("-") {|io|
if !io
puts "fooo"
else
assert_equal("fooo\n", io.read)
end
}
rescue NotImplementedError
end
def test_fd_inheritance
with_pipe {|r, w|
system(RUBY, '-e', 'IO.new(ARGV[0].to_i).puts(:ba)', w.fileno.to_s)
w.close
assert_equal("ba\n", r.read)
}
with_pipe {|r, w|
Process.wait spawn(RUBY, '-e',
'IO.new(ARGV[0].to_i).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).puts("bu") rescue nil',
#{w.fileno.to_s.dump})
End
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}).puts('me')"])
w.close
errmsg = io.read
assert_equal("", r.read)
assert_not_equal("", errmsg)
Process.wait
}
with_pipe {|r, w|
errmsg = `#{RUBY} -e "STDERR.reopen(STDOUT); IO.new(#{w.fileno}).puts(123)"`
w.close
assert_equal("", r.read)
assert_not_equal("", errmsg)
}
end
def test_execopts_close_others
with_tmpchdir {|d|
with_pipe {|r, w|
system(RUBY, '-e', 'STDERR.reopen("err", "w"); IO.new(ARGV[0].to_i).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).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|
Process.wait spawn(RUBY, '-e', 'IO.new(ARGV[0].to_i).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).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}).puts('me')", :close_others=>true])
w.close
errmsg = io.read
assert_equal("", r.read)
assert_not_equal("", errmsg)
Process.wait
}
with_pipe {|r, w|
io = IO.popen([RUBY, "-e", "STDERR.reopen(STDOUT); IO.new(#{w.fileno}).puts('mo')", :close_others=>false])
w.close
errmsg = io.read
assert_equal("mo\n", r.read)
assert_equal("", errmsg)
Process.wait
}
with_pipe {|r, w|
io = IO.popen([RUBY, "-e", "STDERR.reopen(STDOUT); IO.new(#{w.fileno}).puts('mo')", :close_others=>nil])
w.close
errmsg = io.read
assert_equal("mo\n", r.read)
assert_equal("", errmsg)
Process.wait
}
}
end
def test_execopts_redirect_self
with_pipe {|r, w|
w << "haha\n"
w.close
r.close_on_exec = true
IO.popen([RUBY, "-e", "print IO.new(#{r.fileno}).read", r.fileno=>r.fileno, :close_others=>false]) {|io|
assert_equal("haha\n", io.read)
}
}
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|
with_pipe {|r, w|
write_file("s", <<-"End")
str = "echo non existing command name which contains spaces"
w = IO.new(#{w.fileno})
STDOUT.reopen(w)
STDERR.reopen(w)
begin
exec [str, str]
rescue Errno::ENOENT
w.write "Errno::ENOENT success"
end
End
system(RUBY, "s", :close_others=>false)
w.close
assert_equal("Errno::ENOENT success", r.read)
}
}
end
def test_system_wordsplit
with_tmpchdir {|d|
write_file("script", <<-'End')
File.open("result", "w") {|t| t << "haha pid=#{$$} ppid=#{Process.ppid}" }
exit 5
End
str = "#{RUBY} script"
ret = system(str)
status = $?
assert_equal(false, ret)
assert(status.exited?)
assert_equal(5, status.exitstatus)
assert_equal("haha pid=#{status.pid} ppid=#{$$}", File.read("result"))
}
end
def test_spawn_wordsplit
with_tmpchdir {|d|
write_file("script", <<-'End')
File.open("result", "w") {|t| t << "hihi pid=#{$$} ppid=#{Process.ppid}" }
exit 6
End
str = "#{RUBY} script"
pid = spawn(str)
Process.wait pid
status = $?
assert_equal(pid, status.pid)
assert(status.exited?)
assert_equal(6, status.exitstatus)
assert_equal("hihi pid=#{status.pid} ppid=#{$$}", File.read("result"))
}
end
def test_popen_wordsplit
with_tmpchdir {|d|
write_file("script", <<-'End')
print "fufu pid=#{$$} ppid=#{Process.ppid}"
exit 7
End
str = "#{RUBY} script"
io = IO.popen(str)
pid = io.pid
result = io.read
io.close
status = $?
assert_equal(pid, status.pid)
assert(status.exited?)
assert_equal(7, status.exitstatus)
assert_equal("fufu pid=#{status.pid} ppid=#{$$}", 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=#{$$} ppid=#{Process.ppid}"
end
}
exit 6
End
write_file("s", <<-"End")
ruby = #{RUBY.dump}
exec "\#{ruby} script"
End
pid = spawn(RUBY, "s")
Process.wait pid
status = $?
assert_equal(pid, status.pid)
assert(status.exited?)
assert_equal(6, status.exitstatus)
if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
expected = "hehe ppid=#{status.pid}"
else
expected = "hehe pid=#{status.pid} ppid=#{$$}"
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(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)
}
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(status.exited?)
assert(!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)
}
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(status.exited?)
assert(!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)
}
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(status.exited?)
assert(!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"]).read)
Process.wait
write_file("s", <<-"End")
exec([#{RUBY.dump}, "lkjh"], "-e", "exit 5")
End
pid = spawn RUBY, "s"
Process.wait pid
assert_equal(5, $?.exitstatus)
}
end
def with_stdin(filename)
open(filename) {|f|
begin
old = STDIN.dup
begin
STDIN.reopen(filename)
yield
ensure
STDIN.reopen(old)
end
ensure
old.close
end
}
end
def test_argv0_noarg
with_tmpchdir {|d|
open("t", "w") {|f| f.print "exit true" }
open("f", "w") {|f| f.print "exit false" }
with_stdin("t") { assert_equal(true, system([RUBY, "qaz"])) }
with_stdin("f") { assert_equal(false, system([RUBY, "wsx"])) }
with_stdin("t") { Process.wait spawn([RUBY, "edc"]) }
assert($?.success?)
with_stdin("f") { Process.wait spawn([RUBY, "rfv"]) }
assert(!$?.success?)
with_stdin("t") { IO.popen([[RUBY, "tgb"]]) {|io| assert_equal("", io.read) } }
assert($?.success?)
with_stdin("f") { IO.popen([[RUBY, "yhn"]]) {|io| assert_equal("", io.read) } }
assert(!$?.success?)
status = run_in_child "STDIN.reopen('t'); exec([#{RUBY.dump}, 'ujm'])"
assert(status.success?)
status = run_in_child "STDIN.reopen('f'); exec([#{RUBY.dump}, 'ik,'])"
assert(!status.success?)
}
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)
end
end
def test_status_kill
return unless Process.respond_to?(:kill)
return unless Signal.list.include?("QUIT")
with_tmpchdir do
write_file("foo", "sleep 30")
pid = spawn(RUBY, "foo")
Thread.new { sleep 1; Process.kill(:SIGQUIT, pid) }
Process.wait(pid)
s = $?
assert_send(
[["#<Process::Status: pid #{ s.pid } SIGQUIT (signal #{ s.termsig })>",
"#<Process::Status: pid #{ s.pid } SIGQUIT (signal #{ s.termsig }) (core dumped)>"],
:include?,
s.inspect])
assert_equal(false, s.exited?)
assert_equal(nil, s.success?)
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_abort
with_tmpchdir do
s = run_in_child("abort")
assert_not_equal(0, s.exitstatus)
end
end
def test_sleep
assert_raise(ArgumentError) { sleep(1, 1) }
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
assert_kind_of(Integer, Process.maxgroups)
end
def test_geteuid
assert_kind_of(Integer, Process.egid)
end
def test_uid_re_exchangeable_p
r = Process::UID.re_exchangeable?
assert(true == r || false == r)
end
def test_gid_re_exchangeable_p
r = Process::GID.re_exchangeable?
assert(true == r || false == r)
end
def test_uid_sid_available?
r = Process::UID.sid_available?
assert(true == r || false == r)
end
def test_gid_sid_available?
r = Process::GID.sid_available?
assert(true == r || false == r)
end
def test_pst_inspect
assert_nothing_raised { Process::Status.allocate.inspect }
end
end
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