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+require_relative '../../spec_helper'
+require_relative 'fixtures/common'
+
+newline = "\n"
+platform_is :windows do
+ newline = "\r\n"
+end
+
+describe :process_spawn_does_not_close_std_streams, shared: true do
+ it "does not close STDIN" do
+ code = "puts STDIN.read"
+ cmd = "Process.wait Process.spawn(#{ruby_cmd(code).inspect}, #{@options.inspect})"
+ ruby_exe(cmd, args: "< #{fixture(__FILE__, "in.txt")} > #{@name}")
+ File.binread(@name).should == %[stdin#{newline}]
+ end
+
+ it "does not close STDOUT" do
+ code = "STDOUT.puts 'hello'"
+ cmd = "Process.wait Process.spawn(#{ruby_cmd(code).inspect}, #{@options.inspect})"
+ ruby_exe(cmd, args: "> #{@name}")
+ File.binread(@name).should == "hello#{newline}"
+ end
+
+ it "does not close STDERR" do
+ code = "STDERR.puts 'hello'"
+ cmd = "Process.wait Process.spawn(#{ruby_cmd(code).inspect}, #{@options.inspect})"
+ ruby_exe(cmd, args: "2> #{@name}")
+ File.binread(@name).should =~ /hello#{newline}/
+ end
+end
+
+describe "Process.spawn" do
+ ProcessSpecs.use_system_ruby(self)
+
+ before :each do
+ @name = tmp("process_spawn.txt")
+ @var = "$FOO"
+ platform_is :windows do
+ @var = "%FOO%"
+ end
+ end
+
+ after :each do
+ rm_r @name
+ end
+
+ it "executes the given command" do
+ -> { Process.wait Process.spawn("echo spawn") }.should output_to_fd("spawn\n")
+ end
+
+ it "returns the process ID of the new process as an Integer" do
+ pid = Process.spawn(*ruby_exe, "-e", "exit")
+ Process.wait pid
+ pid.should be_an_instance_of(Integer)
+ end
+
+ it "returns immediately" do
+ start = Time.now
+ pid = Process.spawn(*ruby_exe, "-e", "sleep 10")
+ (Time.now - start).should < 5
+ Process.kill :KILL, pid
+ Process.wait pid
+ end
+
+ # argv processing
+
+ describe "with a single argument" do
+ platform_is_not :windows do
+ it "subjects the specified command to shell expansion" do
+ -> { Process.wait Process.spawn("echo *") }.should_not output_to_fd("*\n")
+ end
+
+ it "creates an argument array with shell parsing semantics for whitespace" do
+ -> { Process.wait Process.spawn("echo a b c d") }.should output_to_fd("a b c d\n")
+ end
+ end
+
+ platform_is :windows do
+ # There is no shell expansion on Windows
+ it "does not subject the specified command to shell expansion on Windows" do
+ -> { Process.wait Process.spawn("echo *") }.should output_to_fd("*\n")
+ end
+
+ it "does not create an argument array with shell parsing semantics for whitespace on Windows" do
+ -> { Process.wait Process.spawn("echo a b c d") }.should output_to_fd("a b c d\n")
+ end
+ end
+
+ it "calls #to_str to convert the argument to a String" do
+ o = mock("to_str")
+ o.should_receive(:to_str).and_return("echo foo")
+ -> { Process.wait Process.spawn(o) }.should output_to_fd("foo\n")
+ end
+
+ it "raises an ArgumentError if the command includes a null byte" do
+ -> { Process.spawn "\000" }.should raise_error(ArgumentError)
+ end
+
+ it "raises a TypeError if the argument does not respond to #to_str" do
+ -> { Process.spawn :echo }.should raise_error(TypeError)
+ end
+ end
+
+ describe "with multiple arguments" do
+ it "does not subject the arguments to shell expansion" do
+ -> { Process.wait Process.spawn("echo", "*") }.should output_to_fd("*\n")
+ end
+
+ it "preserves whitespace in passed arguments" do
+ out = "a b c d\n"
+ platform_is :windows do
+ # The echo command on Windows takes quotes literally
+ out = "\"a b c d\"\n"
+ end
+ -> { Process.wait Process.spawn("echo", "a b c d") }.should output_to_fd(out)
+ end
+
+ it "calls #to_str to convert the arguments to Strings" do
+ o = mock("to_str")
+ o.should_receive(:to_str).and_return("foo")
+ -> { Process.wait Process.spawn("echo", o) }.should output_to_fd("foo\n")
+ end
+
+ it "raises an ArgumentError if an argument includes a null byte" do
+ -> { Process.spawn "echo", "\000" }.should raise_error(ArgumentError)
+ end
+
+ it "raises a TypeError if an argument does not respond to #to_str" do
+ -> { Process.spawn "echo", :foo }.should raise_error(TypeError)
+ end
+ end
+
+ describe "with a command array" do
+ it "uses the first element as the command name and the second as the argv[0] value" do
+ platform_is_not :windows do
+ -> { Process.wait Process.spawn(["/bin/sh", "argv_zero"], "-c", "echo $0") }.should output_to_fd("argv_zero\n")
+ end
+ platform_is :windows do
+ -> { Process.wait Process.spawn(["cmd.exe", "/C"], "/C", "echo", "argv_zero") }.should output_to_fd("argv_zero\n")
+ end
+ end
+
+ it "does not subject the arguments to shell expansion" do
+ -> { Process.wait Process.spawn(["echo", "echo"], "*") }.should output_to_fd("*\n")
+ end
+
+ it "preserves whitespace in passed arguments" do
+ out = "a b c d\n"
+ platform_is :windows do
+ # The echo command on Windows takes quotes literally
+ out = "\"a b c d\"\n"
+ end
+ -> { Process.wait Process.spawn(["echo", "echo"], "a b c d") }.should output_to_fd(out)
+ end
+
+ it "calls #to_ary to convert the argument to an Array" do
+ o = mock("to_ary")
+ platform_is_not :windows do
+ o.should_receive(:to_ary).and_return(["/bin/sh", "argv_zero"])
+ -> { Process.wait Process.spawn(o, "-c", "echo $0") }.should output_to_fd("argv_zero\n")
+ end
+ platform_is :windows do
+ o.should_receive(:to_ary).and_return(["cmd.exe", "/C"])
+ -> { Process.wait Process.spawn(o, "/C", "echo", "argv_zero") }.should output_to_fd("argv_zero\n")
+ end
+ end
+
+ it "calls #to_str to convert the first element to a String" do
+ o = mock("to_str")
+ o.should_receive(:to_str).and_return("echo")
+ -> { Process.wait Process.spawn([o, "echo"], "foo") }.should output_to_fd("foo\n")
+ end
+
+ it "calls #to_str to convert the second element to a String" do
+ o = mock("to_str")
+ o.should_receive(:to_str).and_return("echo")
+ -> { Process.wait Process.spawn(["echo", o], "foo") }.should output_to_fd("foo\n")
+ end
+
+ it "raises an ArgumentError if the Array does not have exactly two elements" do
+ -> { Process.spawn([]) }.should raise_error(ArgumentError)
+ -> { Process.spawn([:a]) }.should raise_error(ArgumentError)
+ -> { Process.spawn([:a, :b, :c]) }.should raise_error(ArgumentError)
+ end
+
+ it "raises an ArgumentError if the Strings in the Array include a null byte" do
+ -> { Process.spawn ["\000", "echo"] }.should raise_error(ArgumentError)
+ -> { Process.spawn ["echo", "\000"] }.should raise_error(ArgumentError)
+ end
+
+ it "raises a TypeError if an element in the Array does not respond to #to_str" do
+ -> { Process.spawn ["echo", :echo] }.should raise_error(TypeError)
+ -> { Process.spawn [:echo, "echo"] }.should raise_error(TypeError)
+ end
+ end
+
+ # env handling
+
+ after :each do
+ ENV.delete("FOO")
+ end
+
+ it "sets environment variables in the child environment" do
+ Process.wait Process.spawn({"FOO" => "BAR"}, "echo #{@var}>#{@name}")
+ File.read(@name).should == "BAR\n"
+ end
+
+ it "unsets environment variables whose value is nil" do
+ ENV["FOO"] = "BAR"
+ -> do
+ Process.wait Process.spawn({"FOO" => nil}, ruby_cmd("p ENV['FOO']"))
+ end.should output_to_fd("nil\n")
+ end
+
+ platform_is_not :windows do
+ it "uses the passed env['PATH'] to search the executable" do
+ dir = tmp("spawn_path_dir")
+ mkdir_p dir
+ begin
+ exe = 'process-spawn-executable-in-path'
+ path = "#{dir}/#{exe}"
+ File.write(path, "#!/bin/sh\necho $1")
+ File.chmod(0755, path)
+
+ env = { "PATH" => "#{dir}#{File::PATH_SEPARATOR}#{ENV['PATH']}" }
+ Process.wait Process.spawn(env, exe, 'OK', out: @name)
+ $?.should.success?
+ File.read(@name).should == "OK\n"
+ ensure
+ rm_r dir
+ end
+ end
+ end
+
+ it "calls #to_hash to convert the environment" do
+ o = mock("to_hash")
+ o.should_receive(:to_hash).and_return({"FOO" => "BAR"})
+ Process.wait Process.spawn(o, "echo #{@var}>#{@name}")
+ File.read(@name).should == "BAR\n"
+ end
+
+ it "calls #to_str to convert the environment keys" do
+ o = mock("to_str")
+ o.should_receive(:to_str).and_return("FOO")
+ Process.wait Process.spawn({o => "BAR"}, "echo #{@var}>#{@name}")
+ File.read(@name).should == "BAR\n"
+ end
+
+ it "calls #to_str to convert the environment values" do
+ o = mock("to_str")
+ o.should_receive(:to_str).and_return("BAR")
+ Process.wait Process.spawn({"FOO" => o}, "echo #{@var}>#{@name}")
+ File.read(@name).should == "BAR\n"
+ end
+
+ it "raises an ArgumentError if an environment key includes an equals sign" do
+ -> do
+ Process.spawn({"FOO=" => "BAR"}, "echo #{@var}>#{@name}")
+ end.should raise_error(ArgumentError)
+ end
+
+ it "raises an ArgumentError if an environment key includes a null byte" do
+ -> do
+ Process.spawn({"\000" => "BAR"}, "echo #{@var}>#{@name}")
+ end.should raise_error(ArgumentError)
+ end
+
+ it "raises an ArgumentError if an environment value includes a null byte" do
+ -> do
+ Process.spawn({"FOO" => "\000"}, "echo #{@var}>#{@name}")
+ end.should raise_error(ArgumentError)
+ end
+
+ # :unsetenv_others
+
+ before :each do
+ @minimal_env = {
+ "PATH" => ENV["PATH"],
+ "HOME" => ENV["HOME"]
+ }
+ @common_env_spawn_args = [@minimal_env, "echo #{@var}>#{@name}"]
+ end
+
+ platform_is_not :windows do
+ it "unsets other environment variables when given a true :unsetenv_others option" do
+ ENV["FOO"] = "BAR"
+ Process.wait Process.spawn(*@common_env_spawn_args, unsetenv_others: true)
+ $?.success?.should be_true
+ File.read(@name).should == "\n"
+ end
+ end
+
+ it "does not unset other environment variables when given a false :unsetenv_others option" do
+ ENV["FOO"] = "BAR"
+ Process.wait Process.spawn(*@common_env_spawn_args, unsetenv_others: false)
+ $?.success?.should be_true
+ File.read(@name).should == "BAR\n"
+ end
+
+ platform_is_not :windows do
+ it "does not unset environment variables included in the environment hash" do
+ env = @minimal_env.merge({"FOO" => "BAR"})
+ Process.wait Process.spawn(env, "echo #{@var}>#{@name}", unsetenv_others: true)
+ $?.success?.should be_true
+ File.read(@name).should == "BAR\n"
+ end
+ end
+
+ # :pgroup
+
+ platform_is_not :windows do
+ it "joins the current process group by default" do
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print Process.getpgid(Process.pid)"))
+ end.should output_to_fd(Process.getpgid(Process.pid).to_s)
+ end
+
+ it "joins the current process if pgroup: false" do
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print Process.getpgid(Process.pid)"), pgroup: false)
+ end.should output_to_fd(Process.getpgid(Process.pid).to_s)
+ end
+
+ it "joins the current process if pgroup: nil" do
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print Process.getpgid(Process.pid)"), pgroup: nil)
+ end.should output_to_fd(Process.getpgid(Process.pid).to_s)
+ end
+
+ it "joins a new process group if pgroup: true" do
+ process = -> do
+ Process.wait Process.spawn(ruby_cmd("print Process.getpgid(Process.pid)"), pgroup: true)
+ end
+
+ process.should_not output_to_fd(Process.getpgid(Process.pid).to_s)
+ process.should output_to_fd(/\d+/)
+ end
+
+ it "joins a new process group if pgroup: 0" do
+ process = -> do
+ Process.wait Process.spawn(ruby_cmd("print Process.getpgid(Process.pid)"), pgroup: 0)
+ end
+
+ process.should_not output_to_fd(Process.getpgid(Process.pid).to_s)
+ process.should output_to_fd(/\d+/)
+ end
+
+ it "joins the specified process group if pgroup: pgid" do
+ pgid = Process.getpgid(Process.pid)
+ # The process group is not available on all platforms.
+ # See "man proc" - /proc/[pid]/stat - (5) pgrp
+ # In Travis aarch64 environment, the value is 0.
+ #
+ # $ cat /proc/[pid]/stat
+ # 19179 (ruby) S 19160 0 0 ...
+ unless pgid.zero?
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print Process.getpgid(Process.pid)"), pgroup: pgid)
+ end.should output_to_fd(pgid.to_s)
+ else
+ skip "The process group is not available."
+ end
+ end
+
+ it "raises an ArgumentError if given a negative :pgroup option" do
+ -> { Process.spawn("echo", pgroup: -1) }.should raise_error(ArgumentError)
+ end
+
+ it "raises a TypeError if given a symbol as :pgroup option" do
+ -> { Process.spawn("echo", pgroup: :true) }.should raise_error(TypeError)
+ end
+ end
+
+ platform_is :windows do
+ it "raises an ArgumentError if given :pgroup option" do
+ -> { Process.spawn("echo", pgroup: false) }.should raise_error(ArgumentError)
+ end
+ end
+
+ # :rlimit_core
+ # :rlimit_cpu
+ # :rlimit_data
+
+ # :chdir
+
+ it "uses the current working directory as its working directory" do
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print Dir.pwd"))
+ end.should output_to_fd(Dir.pwd)
+ end
+
+ describe "when passed :chdir" do
+ before do
+ @dir = tmp("spawn_chdir", false)
+ Dir.mkdir @dir
+ end
+
+ after do
+ rm_r @dir
+ end
+
+ it "changes to the directory passed for :chdir" do
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print Dir.pwd"), chdir: @dir)
+ end.should output_to_fd(@dir)
+ end
+
+ it "calls #to_path to convert the :chdir value" do
+ dir = mock("spawn_to_path")
+ dir.should_receive(:to_path).and_return(@dir)
+
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print Dir.pwd"), chdir: dir)
+ end.should output_to_fd(@dir)
+ end
+ end
+
+ # chdir
+
+ platform_is :linux do
+ describe "inside Dir.chdir" do
+ def child_pids(pid)
+ `pgrep -P #{pid}`.lines.map { |child| Integer(child) }
+ end
+
+ it "does not create extra process without chdir" do
+ pid = Process.spawn("sleep 10")
+ begin
+ child_pids(pid).size.should == 0
+ ensure
+ Process.kill("TERM", pid)
+ Process.wait(pid)
+ end
+ end
+
+ it "kills extra chdir processes" do
+ pid = nil
+ Dir.chdir("/") do
+ pid = Process.spawn("sleep 10")
+ end
+
+ children = child_pids(pid)
+ children.size.should <= 1
+
+ Process.kill("TERM", pid)
+ Process.wait(pid)
+
+ if children.size > 0
+ # wait a bit for children to die
+ sleep(1)
+
+ children.each do |child|
+ -> do
+ Process.kill("TERM", child)
+ end.should raise_error(Errno::ESRCH)
+ end
+ end
+ end
+ end
+ end
+
+ # :umask
+
+ it "uses the current umask by default" do
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print File.umask"))
+ end.should output_to_fd(File.umask.to_s)
+ end
+
+ platform_is_not :windows do
+ it "sets the umask if given the :umask option" do
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print File.umask"), umask: 146)
+ end.should output_to_fd("146")
+ end
+ end
+
+ # redirection
+
+ it 'redirects to the wrapped IO using wrapped_io.to_io if out: wrapped_io' do
+ File.open(@name, 'w') do |file|
+ -> do
+ wrapped_io = mock('wrapped IO')
+ wrapped_io.should_receive(:to_io).and_return(file)
+ Process.wait Process.spawn('echo Hello World', out: wrapped_io)
+ end.should output_to_fd("Hello World\n", file)
+ end
+ end
+
+ it "redirects STDOUT to the given file descriptor if out: Integer" do
+ File.open(@name, 'w') do |file|
+ -> do
+ Process.wait Process.spawn("echo glark", out: file.fileno)
+ end.should output_to_fd("glark\n", file)
+ end
+ end
+
+ it "redirects STDOUT to the given file if out: IO" do
+ File.open(@name, 'w') do |file|
+ -> do
+ Process.wait Process.spawn("echo glark", out: file)
+ end.should output_to_fd("glark\n", file)
+ end
+ end
+
+ it "redirects STDOUT to the given file if out: String" do
+ Process.wait Process.spawn("echo glark", out: @name)
+ File.read(@name).should == "glark\n"
+ end
+
+ it "redirects STDOUT to the given file if out: [String name, String mode]" do
+ Process.wait Process.spawn("echo glark", out: [@name, 'w'])
+ File.read(@name).should == "glark\n"
+ end
+
+ it "redirects STDERR to the given file descriptor if err: Integer" do
+ File.open(@name, 'w') do |file|
+ -> do
+ Process.wait Process.spawn("echo glark>&2", err: file.fileno)
+ end.should output_to_fd("glark\n", file)
+ end
+ end
+
+ it "redirects STDERR to the given file descriptor if err: IO" do
+ File.open(@name, 'w') do |file|
+ -> do
+ Process.wait Process.spawn("echo glark>&2", err: file)
+ end.should output_to_fd("glark\n", file)
+ end
+ end
+
+ it "redirects STDERR to the given file if err: String" do
+ Process.wait Process.spawn("echo glark>&2", err: @name)
+ File.read(@name).should == "glark\n"
+ end
+
+ it "redirects STDERR to child STDOUT if :err => [:child, :out]" do
+ File.open(@name, 'w') do |file|
+ -> do
+ Process.wait Process.spawn("echo glark>&2", :out => file, :err => [:child, :out])
+ end.should output_to_fd("glark\n", file)
+ end
+ end
+
+ it "redirects both STDERR and STDOUT to the given file descriptor" do
+ File.open(@name, 'w') do |file|
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print(:glark); STDOUT.flush; STDERR.print(:bang)"),
+ [:out, :err] => file.fileno)
+ end.should output_to_fd("glarkbang", file)
+ end
+ end
+
+ it "redirects both STDERR and STDOUT to the given IO" do
+ File.open(@name, 'w') do |file|
+ -> do
+ Process.wait Process.spawn(ruby_cmd("print(:glark); STDOUT.flush; STDERR.print(:bang)"),
+ [:out, :err] => file)
+ end.should output_to_fd("glarkbang", file)
+ end
+ end
+
+ it "redirects both STDERR and STDOUT at the time to the given name" do
+ touch @name
+ Process.wait Process.spawn(ruby_cmd("print(:glark); STDOUT.flush; STDERR.print(:bang)"), [:out, :err] => @name)
+ File.read(@name).should == "glarkbang"
+ end
+
+ platform_is_not :windows, :android do
+ it "closes STDERR in the child if :err => :close" do
+ File.open(@name, 'w') do |file|
+ -> do
+ code = "begin; STDOUT.puts 'out'; STDERR.puts 'hello'; rescue => e; puts 'rescued'; end"
+ Process.wait Process.spawn(ruby_cmd(code), :out => file, :err => :close)
+ end.should output_to_fd("out\nrescued\n", file)
+ end
+ end
+ end
+
+ platform_is_not :windows do
+ it "redirects non-default file descriptor to itself" do
+ File.open(@name, 'w') do |file|
+ -> do
+ Process.wait Process.spawn(
+ ruby_cmd("f = IO.new(#{file.fileno}, 'w'); f.print(:bang); f.flush"), file.fileno => file.fileno)
+ end.should output_to_fd("bang", file)
+ end
+ end
+ end
+
+ it "redirects default file descriptor to itself" do
+ -> do
+ Process.wait Process.spawn(
+ ruby_cmd("f = IO.new(#{STDOUT.fileno}, 'w'); f.print(:bang); f.flush"), STDOUT.fileno => STDOUT.fileno)
+ end.should output_to_fd("bang", STDOUT)
+ end
+
+ # :close_others
+
+ platform_is_not :windows do
+ context "defaults :close_others to" do
+ it "false" do
+ IO.pipe do |r, w|
+ w.close_on_exec = false
+ code = "io = IO.new(#{w.fileno}); io.puts('inherited'); io.close"
+ pid = Process.spawn(ruby_cmd(code))
+ w.close
+ Process.wait(pid)
+ r.read.should == "inherited\n"
+ end
+ end
+ end
+
+ context "when passed close_others: true" do
+ before :each do
+ @options = { close_others: true }
+ end
+
+ it "closes file descriptors >= 3 in the child process even if fds are set close_on_exec=false" do
+ touch @name
+ IO.pipe do |r, w|
+ r.close_on_exec = false
+ w.close_on_exec = false
+
+ begin
+ pid = Process.spawn(ruby_cmd("while File.exist? '#{@name}'; sleep 0.1; end"), @options)
+ w.close
+ r.read(1).should == nil
+ ensure
+ rm_r @name
+ Process.wait(pid) if pid
+ end
+ end
+ end
+
+ it_should_behave_like :process_spawn_does_not_close_std_streams
+ end
+
+ context "when passed close_others: false" do
+ before :each do
+ @options = { close_others: false }
+ end
+
+ it "closes file descriptors >= 3 in the child process because they are set close_on_exec by default" do
+ touch @name
+ IO.pipe do |r, w|
+ begin
+ pid = Process.spawn(ruby_cmd("while File.exist? '#{@name}'; sleep 0.1; end"), @options)
+ w.close
+ r.read(1).should == nil
+ ensure
+ rm_r @name
+ Process.wait(pid) if pid
+ end
+ end
+ end
+
+ it "does not close file descriptors >= 3 in the child process if fds are set close_on_exec=false" do
+ IO.pipe do |r, w|
+ r.close_on_exec = false
+ w.close_on_exec = false
+
+ code = "fd = IO.for_fd(#{w.fileno}); fd.autoclose = false; fd.write 'abc'; fd.close"
+ pid = Process.spawn(ruby_cmd(code), @options)
+ begin
+ w.close
+ r.read.should == 'abc'
+ ensure
+ Process.wait(pid)
+ end
+ end
+ end
+
+ it_should_behave_like :process_spawn_does_not_close_std_streams
+ end
+ end
+
+ # error handling
+
+ it "raises an ArgumentError if passed no command arguments" do
+ -> { Process.spawn }.should raise_error(ArgumentError)
+ end
+
+ it "raises an ArgumentError if passed env or options but no command arguments" do
+ -> { Process.spawn({}) }.should raise_error(ArgumentError)
+ end
+
+ it "raises an ArgumentError if passed env and options but no command arguments" do
+ -> { Process.spawn({}, {}) }.should raise_error(ArgumentError)
+ end
+
+ it "raises an Errno::ENOENT for an empty string" do
+ -> { Process.spawn "" }.should raise_error(Errno::ENOENT)
+ end
+
+ it "raises an Errno::ENOENT if the command does not exist" do
+ -> { Process.spawn "nonesuch" }.should raise_error(Errno::ENOENT)
+ end
+
+ unless File.executable?(__FILE__) # Some FS (e.g. vboxfs) locate all files executable
+ platform_is_not :windows do
+ it "raises an Errno::EACCES when the file does not have execute permissions" do
+ -> { Process.spawn __FILE__ }.should raise_error(Errno::EACCES)
+ end
+ end
+
+ platform_is :windows do
+ it "raises Errno::EACCES or Errno::ENOEXEC when the file is not an executable file" do
+ -> { Process.spawn __FILE__ }.should raise_error(SystemCallError) { |e|
+ [Errno::EACCES, Errno::ENOEXEC].should include(e.class)
+ }
+ end
+ end
+ end
+
+ it "raises an Errno::EACCES or Errno::EISDIR when passed a directory" do
+ -> { Process.spawn __dir__ }.should raise_error(SystemCallError) { |e|
+ [Errno::EACCES, Errno::EISDIR].should include(e.class)
+ }
+ end
+
+ it "raises an ArgumentError when passed a string key in options" do
+ -> { Process.spawn("echo", "chdir" => Dir.pwd) }.should raise_error(ArgumentError)
+ end
+
+ it "raises an ArgumentError when passed an unknown option key" do
+ -> { Process.spawn("echo", nonesuch: :foo) }.should raise_error(ArgumentError)
+ end
+
+ platform_is_not :windows, :aix do
+ describe "with Integer option keys" do
+ before :each do
+ @name = tmp("spawn_fd_map.txt")
+ @io = new_io @name, "w+"
+ @io.sync = true
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @name
+ end
+
+ it "maps the key to a file descriptor in the child that inherits the file descriptor from the parent specified by the value" do
+ File.open(__FILE__, "r") do |f|
+ child_fd = f.fileno
+ args = ruby_cmd(fixture(__FILE__, "map_fd.rb"), args: [child_fd.to_s])
+ pid = Process.spawn(*args, { child_fd => @io })
+ Process.waitpid pid
+ @io.rewind
+
+ @io.read.should == "writing to fd: #{child_fd}"
+ end
+ end
+ end
+ end
+end