#
# Test script for the curses module
#
# This script doesn't actually display anything very coherent. but it
# does call (nearly) every method and function.
#
# Functions not tested: {def,reset}_{shell,prog}_mode, getch(), getstr(),
# init_color()
# Only called, not tested: getmouse(), ungetmouse()
#
import os
import sys
import tempfile
import unittest
from test.support import requires, import_module, verbose
# Optionally test curses module. This currently requires that the
# 'curses' resource be given on the regrtest command line using the -u
# option. If not available, nothing after this line will be executed.
import inspect
requires('curses')
# If either of these don't exist, skip the tests.
curses = import_module('curses')
curses.panel = import_module('curses.panel')
term = os.environ.get('TERM', 'unknown')
@unittest.skipUnless(sys.__stdout__.isatty(), 'sys.__stdout__ is not a tty')
@unittest.skipIf(term == 'unknown',
"$TERM=%r, calling initscr() may cause exit" % term)
@unittest.skipIf(sys.platform == "cygwin",
"cygwin's curses mostly just hangs")
class TestCurses(unittest.TestCase):
@classmethod
def setUpClass(cls):
curses.setupterm(fd=sys.__stdout__.fileno())
def setUp(self):
if verbose:
# just to make the test output a little more readable
print()
self.stdscr = curses.initscr()
curses.savetty()
def tearDown(self):
curses.resetty()
curses.endwin()
def test_window_funcs(self):
"Test the methods of windows"
stdscr = self.stdscr
win = curses.newwin(10,10)
win = curses.newwin(5,5, 5,5)
win2 = curses.newwin(15,15, 5,5)
for meth in [stdscr.addch, stdscr.addstr]:
for args in [('a'), ('a', curses.A_BOLD),
(4,4, 'a'), (5,5, 'a', curses.A_BOLD)]:
meth(*args)
for meth in [stdscr.box, stdscr.clear, stdscr.clrtobot,
stdscr.clrtoeol, stdscr.cursyncup, stdscr.delch,
stdscr.deleteln, stdscr.erase, stdscr.getbegyx,
stdscr.getbkgd, stdscr.getkey, stdscr.getmaxyx,
stdscr.getparyx, stdscr.getyx, stdscr.inch,
stdscr.insertln, stdscr.instr, stdscr.is_wintouched,
win.noutrefresh, stdscr.redrawwin, stdscr.refresh,
stdscr.standout, stdscr.standend, stdscr.syncdown,
stdscr.syncup, stdscr.touchwin, stdscr.untouchwin]:
meth()
stdscr.addnstr('1234', 3)
stdscr.addnstr('1234', 3, curses.A_BOLD)
stdscr.addnstr(4,4, '1234', 3)
stdscr.addnstr(5,5, '1234', 3, curses.A_BOLD)
stdscr.attron(curses.A_BOLD)
stdscr.attroff(curses.A_BOLD)
stdscr.attrset(curses.A_BOLD)
stdscr.bkgd(' ')
stdscr.bkgd(' ', curses.A_REVERSE)
stdscr.bkgdset(' ')
stdscr.bkgdset(' ', curses.A_REVERSE)
win.border(65, 66, 67, 68,
69, 70, 71, 72)
win.border('|', '!', '-', '_',
'+', '\\', '#', '/')
with self.assertRaises(TypeError,
msg="Expected win.border() to raise TypeError"):
win.border(65, 66, 67, 68,
69, [], 71, 72)
stdscr.clearok(1)
win4 = stdscr.derwin(2,2)
win4 = stdscr.derwin(1,1, 5,5)
win4.mvderwin(9,9)
stdscr.echochar('a')
stdscr.echochar('a', curses.A_BOLD)
stdscr.hline('-', 5)
stdscr.hline('-', 5, curses.A_BOLD)
stdscr.hline(1,1,'-', 5)
stdscr.hline(1,1,'-', 5, curses.A_BOLD)
stdscr.idcok(1)
stdscr.idlok(1)
stdscr.immedok(1)
stdscr.insch('c')
stdscr.insdelln(1)
stdscr.insnstr('abc', 3)
stdscr.insnstr('abc', 3, curses.A_BOLD)
stdscr.insnstr(5, 5, 'abc', 3)
stdscr.insnstr(5, 5, 'abc', 3, curses.A_BOLD)
stdscr.insstr('def')
stdscr.insstr('def', curses.A_BOLD)
stdscr.insstr(5, 5, 'def')
stdscr.insstr(5, 5, 'def', curses.A_BOLD)
stdscr.is_linetouched(0)
stdscr.keypad(1)
stdscr.leaveok(1)
stdscr.move(3,3)
win.mvwin(2,2)
stdscr.nodelay(1)
stdscr.notimeout(1)
win2.overlay(win)
win2.overwrite(win)
win2.overlay(win, 1, 2, 2, 1, 3, 3)
win2.overwrite(win, 1, 2, 2, 1, 3, 3)
stdscr.redrawln(1,2)
stdscr.scrollok(1)
stdscr.scroll()
stdscr.scroll(2)
stdscr.scroll(-3)
stdscr.move(12, 2)
stdscr.setscrreg(10,15)
win3 = stdscr.subwin(10,10)
win3 = stdscr.subwin(10,10, 5,5)
stdscr.syncok(1)
stdscr.timeout(5)
stdscr.touchline(5,5)
stdscr.touchline(5,5,0)
stdscr.vline('a', 3)
stdscr.vline('a', 3, curses.A_STANDOUT)
stdscr.chgat(5, 2, 3, curses.A_BLINK)
stdscr.chgat(3, curses.A_BOLD)
stdscr.chgat(5, 8, curses.A_UNDERLINE)
stdscr.chgat(curses.A_BLINK)
stdscr.refresh()
stdscr.vline(1,1, 'a', 3)
stdscr.vline(1,1, 'a', 3, curses.A_STANDOUT)
if hasattr(curses, 'resize'):
stdscr.resize()
if hasattr(curses, 'enclose'):
stdscr.enclose()
self.assertRaises(ValueError, stdscr.getstr, -400)
self.assertRaises(ValueError, stdscr.getstr, 2, 3, -400)
self.assertRaises(ValueError, stdscr.instr, -2)
self.assertRaises(ValueError, stdscr.instr, 2, 3, -2)
def test_module_funcs(self):
"Test module-level functions"
stdscr = self.stdscr
for func in [curses.baudrate, curses.beep, curses.can_change_color,
curses.cbreak, curses.def_prog_mode, curses.doupdate,
curses.filter, curses.flash, curses.flushinp,
curses.has_colors, curses.has_ic, curses.has_il,
curses.isendwin, curses.killchar, curses.longname,
curses.nocbreak, curses.noecho, curses.nonl,
curses.noqiflush, curses.noraw,
curses.reset_prog_mode, curses.termattrs,
curses.termname, curses.erasechar, curses.getsyx]:
func()
# Functions that actually need arguments
if curses.tigetstr("cnorm"):
curses.curs_set(1)
curses.delay_output(1)
curses.echo() ; curses.echo(1)
f = tempfile.TemporaryFile()
stdscr.putwin(f)
f.seek(0)
curses.getwin(f)
f.close()
curses.halfdelay(1)
curses.intrflush(1)
curses.meta(1)
curses.napms(100)
curses.newpad(50,50)
win = curses.newwin(5,5)
win = curses.newwin(5,5, 1,1)
curses.nl() ; curses.nl(1)
curses.putp(b'abc')
curses.qiflush()
curses.raw() ; curses.raw(1)
curses.setsyx(5,5)
curses.tigetflag('hc')
curses.tigetnum('co')
curses.tigetstr('cr')
curses.tparm(b'cr')
curses.typeahead(sys.__stdin__.fileno())
curses.unctrl('a')
curses.ungetch('a')
curses.use_env(1)
# Functions only available on a few platforms
if curses.has_colors():
curses.start_color()
curses.init_pair(2, 1,1)
curses.color_content(1)
curses.color_pair(2)
curses.pair_content(curses.COLOR_PAIRS - 1)
curses.pair_number(0)
if hasattr(curses, 'use_default_colors'):
curses.use_default_colors()
if hasattr(curses, 'keyname'):
curses.keyname(13)
if hasattr(curses, 'has_key'):
curses.has_key(13)
if hasattr(curses, 'getmouse'):
(availmask, oldmask) = curses.mousemask(curses.BUTTON1_PRESSED)
# availmask indicates that mouse stuff not available.
if availmask != 0:
curses.mouseinterval(10)
# just verify these don't cause errors
curses.ungetmouse(0, 0, 0, 0, curses.BUTTON1_PRESSED)
m = curses.getmouse()
if hasattr(curses, 'is_term_resized'):
curses.is_term_resized(*stdscr.getmaxyx())
if hasattr(curses, 'resizeterm'):
curses.resizeterm(*stdscr.getmaxyx())
if hasattr(curses, 'resize_term'):
curses.resize_term(*stdscr.getmaxyx())
def test_unctrl(self):
from curses import ascii
for ch, expected in [('a', 'a'), ('A', 'A'),
(';', ';'), (' ', ' '),
('\x7f', '^?'), ('\n', '^J'), ('\0', '^@'),
# Meta-bit characters
('\x8a', '!^J'), ('\xc1', '!A'),
]:
self.assertEqual(ascii.unctrl(ch), expected,
'curses.unctrl fails on character %r' % ch)
def test_userptr_without_set(self):
w = curses.newwin(10, 10)
p = curses.panel.new_panel(w)
# try to access userptr() before calling set_userptr() -- segfaults
with self.assertRaises(curses.panel.error,
msg='userptr should fail since not set'):
p.userptr()
def test_userptr_memory_leak(self):
w = curses.newwin(10, 10)
p = curses.panel.new_panel(w)
obj = object()
nrefs = sys.getrefcount(obj)
for i in range(100):
p.set_userptr(obj)
p.set_userptr(None)
self.assertEqual(sys.getrefcount(obj), nrefs,
"set_userptr leaked references")
def test_userptr_segfault(self):
panel = curses.panel.new_panel(self.stdscr)
class A:
def __del__(self):
panel.set_userptr(None)
panel.set_userptr(A())
panel.set_userptr(None)
@unittest.skipUnless(hasattr(curses, 'resizeterm'),
'resizeterm not available')
def test_resize_term(self):
lines, cols = curses.LINES, curses.COLS
new_lines = lines - 1
new_cols = cols + 1
curses.resizeterm(new_lines, new_cols)
self.assertEqual(curses.LINES, new_lines)
self.assertEqual(curses.COLS, new_cols)
def test_issue6243(self):
curses.ungetch(1025)
self.stdscr.getkey()
@unittest.skipUnless(hasattr(curses, 'unget_wch'),
'unget_wch not available')
def test_unget_wch(self):
stdscr = self.stdscr
encoding = stdscr.encoding
for ch in ('a', '\xe9', '\u20ac', '\U0010FFFF'):
try:
ch.encode(encoding)
except UnicodeEncodeError:
continue
try:
curses.unget_wch(ch)
except Exception as err:
self.fail("unget_wch(%a) failed with encoding %s: %s"
% (ch, stdscr.encoding, err))
read = stdscr.get_wch()
self.assertEqual(read, ch)
code = ord(ch)
curses.unget_wch(code)
read = stdscr.get_wch()
self.assertEqual(read, ch)
def test_issue10570(self):
b = curses.tparm(curses.tigetstr("cup"), 5, 3)
self.assertIs(type(b), bytes)
curses.putp(b)
def test_encoding(self):
stdscr = self.stdscr
import codecs
encoding = stdscr.encoding
codecs.lookup(encoding)
with self.assertRaises(TypeError):
stdscr.encoding = 10
stdscr.encoding = encoding
with self.assertRaises(TypeError):
del stdscr.encoding
def test_issue21088(self):
stdscr = self.stdscr
#
# http://bugs.python.org/issue21088
#
# the bug:
# when converting curses.window.addch to Argument Clinic
# the first two parameters were switched.
# if someday we can represent the signature of addch
# we will need to rewrite this test.
try:
signature = inspect.signature(stdscr.addch)
self.assertFalse(signature)
except ValueError:
# not generating a signature is fine.
pass
# So. No signature for addch.
# But Argument Clinic gave us a human-readable equivalent
# as the first line of the docstring. So we parse that,
# and ensure that the parameters appear in the correct order.
# Since this is parsing output from Argument Clinic, we can
# be reasonably certain the generated parsing code will be
# correct too.
human_readable_signature = stdscr.addch.__doc__.split("\n")[0]
offset = human_readable_signature.find("[y, x,]")
assert offset >= 0, ""
if __name__ == '__main__':
unittest.main()