t/lib-terminal.sh

   1 # Helpers for terminal output tests.
   2
   3 # Catch tests which should depend on TTY but forgot to. There's no need
   4 # to additionally check that the TTY prereq is set here.  If the test declared
   5 # it and we are running the test, then it must have been set.
   6 test_terminal () {
   7         if ! test_declared_prereq TTY
   8         then
   9                 echo >&4 "test_terminal: need to declare TTY prerequisite"
  10                 return 127
  11         fi
  12         perl "$TEST_DIRECTORY"/test-terminal.perl "$@"
  13 }
  14
  15 test_lazy_prereq TTY '
  16         test_have_prereq PERL &&
  17
  18         # Reading from the pty master seems to get stuck _sometimes_
  19         # on Mac OS X 10.5.0, using Perl 5.10.0 or 5.8.9.
  20         #
  21         # Reproduction recipe: run
  22         #
  23         #       i=0
  24         #       while ./test-terminal.perl echo hi $i
  25         #       do
  26         #               : $((i = $i + 1))
  27         #       done
  28         #
  29         # After 2000 iterations or so it hangs.
  30         # https://rt.cpan.org/Ticket/Display.html?id=65692
  31         #
  32         test "$(uname -s)" != Darwin &&
  33
  34         perl "$TEST_DIRECTORY"/test-terminal.perl \
  35                 sh -c "test -t 1 && test -t 2"
  36 '