require 'test/unit' require_relative 'ruby/envutil' require 'shellwords' begin require 'pty' rescue LoadError end class TestPTY < Test::Unit::TestCase RUBY = EnvUtil.rubybin def test_spawn_without_block r, w, pid = PTY.spawn(RUBY, '-e', 'puts "a"') assert_equal("a\r\n", r.gets) ensure Process.wait pid if pid end def test_spawn_with_block PTY.spawn(RUBY, '-e', 'puts "b"') {|r,w,pid| assert_equal("b\r\n", r.gets) Process.wait(pid) } end def test_commandline commandline = Shellwords.join([RUBY, '-e', 'puts "foo"']) PTY.spawn(commandline) {|r,w,pid| assert_equal("foo\r\n", r.gets) Process.wait(pid) } end def test_argv0 PTY.spawn([RUBY, "argv0"], '-e', 'puts "bar"') {|r,w,pid| assert_equal("bar\r\n", r.gets) Process.wait(pid) } end def test_open_without_block ret = PTY.open assert_kind_of(Array, ret) assert_equal(2, ret.length) assert_equal(IO, ret[0].class) assert_equal(File, ret[1].class) master, slave = ret assert(slave.tty?) assert(File.chardev?(slave.path)) ensure if ret ret[0].close ret[1].close end end def test_open_with_block r = nil x = Object.new y = PTY.open {|ret| r = ret; assert_kind_of(Array, ret) assert_equal(2, ret.length) assert_equal(IO, ret[0].class) assert_equal(File, ret[1].class) master, slave = ret assert(slave.tty?) assert(File.chardev?(slave.path)) x } assert(r[0].closed?) assert(r[1].closed?) assert_equal(y, x) end def test_close_in_block PTY.open {|master, slave| slave.close master.close assert(slave.closed?) assert(master.closed?) } assert_nothing_raised { PTY.open {|master, slave| slave.close master.close } } end def test_open PTY.open {|master, slave| slave.puts "foo" assert_equal("foo", master.gets.chomp) master.puts "bar" assert_equal("bar", slave.gets.chomp) } end def test_stat_slave PTY.open {|master, slave| s = File.stat(slave.path) assert_equal(Process.uid, s.uid) assert_equal(0600, s.mode & 0777) } end def test_close_master PTY.open {|master, slave| master.close assert_raise(EOFError) { slave.readpartial(10) } } end def test_close_slave PTY.open {|master, slave| slave.close # This exception is platform dependent. assert_raise( EOFError, # FreeBSD Errno::EIO # GNU/Linux ) { master.readpartial(10) } } end end if defined? PTY