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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)
assert_raise(Errno::EIO) { 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)
assert_raise(Errno::EIO) { r.gets }
}
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)
assert_raise(Errno::EIO) { r.gets }
}
end
def test_argv0
PTY.spawn([RUBY, "argv0"], '-e', 'puts "bar"') {|r,w,pid|
assert_equal("bar\r\n", r.gets)
Process.wait(pid)
assert_raise(Errno::EIO) { r.gets }
}
end
end if defined? PTY
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