diff options
Diffstat (limited to 'spec/rubyspec/core/process/spawn_spec.rb')
| -rw-r--r-- | spec/rubyspec/core/process/spawn_spec.rb | 634 |
1 files changed, 0 insertions, 634 deletions
diff --git a/spec/rubyspec/core/process/spawn_spec.rb b/spec/rubyspec/core/process/spawn_spec.rb deleted file mode 100644 index 330ec8fcd8..0000000000 --- a/spec/rubyspec/core/process/spawn_spec.rb +++ /dev/null @@ -1,634 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/common', __FILE__) - -newline = "\n" -platform_is :windows do - newline = "\r\n" -end - -describe :process_spawn_does_not_close_std_streams, shared: true do - platform_is_not :windows do - it "does not close STDIN" do - code = "STDOUT.puts STDIN.read(0).inspect" - cmd = "Process.wait Process.spawn(#{ruby_cmd(code).inspect}, #{@options.inspect})" - ruby_exe(cmd, args: "> #{@output}") - File.binread(@output).should == %[""#{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: "> #{@output}") - File.binread(@output).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> #{@output}") - File.binread(@output).should == "hello#{newline}" - end - 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 - lambda { Process.wait Process.spawn("echo spawn") }.should output_to_fd("spawn\n") - end - - it "returns the process ID of the new process as a Fixnum" do - pid = Process.spawn(*ruby_exe, "-e", "exit") - Process.wait pid - pid.should be_an_instance_of(Fixnum) - 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 - lambda { Process.wait Process.spawn("echo *") }.should_not output_to_fd("*\n") - end - - it "creates an argument array with shell parsing semantics for whitespace" do - lambda { 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 - lambda { 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 - lambda { 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") - lambda { Process.wait Process.spawn(o) }.should output_to_fd("foo\n") - end - - it "raises an ArgumentError if the command includes a null byte" do - lambda { Process.spawn "\000" }.should raise_error(ArgumentError) - end - - it "raises a TypeError if the argument does not respond to #to_str" do - lambda { Process.spawn :echo }.should raise_error(TypeError) - end - end - - describe "with multiple arguments" do - it "does not subject the arguments to shell expansion" do - lambda { 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 - lambda { 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") - lambda { 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 - lambda { Process.spawn "echo", "\000" }.should raise_error(ArgumentError) - end - - it "raises a TypeError if an argument does not respond to #to_str" do - lambda { 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 - lambda { Process.wait Process.spawn(["/bin/sh", "argv_zero"], "-c", "echo $0") }.should output_to_fd("argv_zero\n") - end - platform_is :windows do - lambda { 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 - lambda { 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 - lambda { 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"]) - lambda { 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"]) - lambda { 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") - lambda { 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") - lambda { 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 - lambda { Process.spawn([]) }.should raise_error(ArgumentError) - lambda { Process.spawn([:a]) }.should raise_error(ArgumentError) - lambda { 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 - lambda { Process.spawn ["\000", "echo"] }.should raise_error(ArgumentError) - lambda { 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 - lambda { Process.spawn ["echo", :echo] }.should raise_error(TypeError) - lambda { 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" - Process.wait Process.spawn({"FOO" => nil}, "echo #{@var}>#{@name}") - expected = "\n" - platform_is :windows do - # Windows does not expand the variable if it is unset - expected = "#{@var}\n" - end - File.read(@name).should == expected - 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 - lambda 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 - lambda 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 - lambda 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 - lambda 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 - lambda 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 - lambda 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 = lambda 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 = lambda 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) - lambda do - Process.wait Process.spawn(ruby_cmd("print Process.getpgid(Process.pid)"), pgroup: pgid) - end.should output_to_fd(pgid.to_s) - end - - it "raises an ArgumentError if given a negative :pgroup option" do - lambda { Process.spawn("echo", pgroup: -1) }.should raise_error(ArgumentError) - end - - it "raises a TypeError if given a symbol as :pgroup option" do - lambda { Process.spawn("echo", pgroup: :true) }.should raise_error(TypeError) - end - end - - platform_is :windows do - it "raises an ArgumentError if given :pgroup option" do - lambda { 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 - lambda 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 - lambda 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) - - lambda do - Process.wait Process.spawn(ruby_cmd("print Dir.pwd"), chdir: dir) - end.should output_to_fd(@dir) - end - end - - # :umask - - it "uses the current umask by default" do - lambda 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 - lambda do - Process.wait Process.spawn(ruby_cmd("print File.umask"), umask: 146) - end.should output_to_fd("146") - end - end - - # redirection - - it "redirects STDOUT to the given file descriptior if out: Fixnum" do - File.open(@name, 'w') do |file| - lambda 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| - lambda 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 descriptior if err: Fixnum" do - File.open(@name, 'w') do |file| - lambda 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| - lambda 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| - lambda 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 descriptior" do - File.open(@name, 'w') do |file| - lambda 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| - lambda 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 - - context "when passed close_others: true" do - before :each do - @output = tmp("spawn_close_others_true") - @options = { close_others: true } - end - - after :each do - rm_r @output - end - - it "closes file descriptors >= 3 in the child process" do - IO.pipe do |r, w| - begin - pid = Process.spawn(ruby_cmd("while File.exist? '#{@name}'; sleep 0.1; end"), @options) - w.close - lambda { r.read_nonblock(1) }.should raise_error(EOFError) - 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 - @output = tmp("spawn_close_others_false") - @options = { close_others: false } - end - - after :each do - rm_r @output - end - - it "closes file descriptors >= 3 in the child process because they are set close_on_exec by default" do - IO.pipe do |r, w| - begin - pid = Process.spawn(ruby_cmd("while File.exist? '#{@name}'; sleep 0.1; end"), @options) - w.close - lambda { r.read_nonblock(1) }.should raise_error(EOFError) - ensure - rm_r @name - Process.wait(pid) if pid - end - end - end - - platform_is_not :windows do - 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 - begin - pid = Process.spawn(ruby_cmd("while File.exist? '#{@name}'; sleep 0.1; end"), @options) - w.close - lambda { r.read_nonblock(1) }.should raise_error(Errno::EAGAIN) - ensure - rm_r @name - Process.wait(pid) if pid - end - end - end - end - - it_should_behave_like :process_spawn_does_not_close_std_streams - end - - # error handling - - it "raises an ArgumentError if passed no command arguments" do - lambda { Process.spawn }.should raise_error(ArgumentError) - end - - it "raises an ArgumentError if passed env or options but no command arguments" do - lambda { Process.spawn({}) }.should raise_error(ArgumentError) - end - - it "raises an ArgumentError if passed env and options but no command arguments" do - lambda { Process.spawn({}, {}) }.should raise_error(ArgumentError) - end - - it "raises an Errno::ENOENT for an empty string" do - lambda { Process.spawn "" }.should raise_error(Errno::ENOENT) - end - - it "raises an Errno::ENOENT if the command does not exist" do - lambda { 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 - lambda { 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 - lambda { Process.spawn __FILE__ }.should raise_error(SystemCallError) { |e| - [Errno::EACCES, Errno::ENOEXEC].should include(e.class) - } - end - end - end - - it "raises an Errno::EACCES when passed a directory" do - lambda { Process.spawn File.dirname(__FILE__) }.should raise_error(Errno::EACCES) - end - - it "raises an ArgumentError when passed a string key in options" do - lambda { Process.spawn("echo", "chdir" => Dir.pwd) }.should raise_error(ArgumentError) - end - - it "raises an ArgumentError when passed an unknown option key" do - lambda { Process.spawn("echo", nonesuch: :foo) }.should raise_error(ArgumentError) - end - - platform_is_not :windows 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 - child_fd = @io.fileno + 1 - 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 |
