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Copy pathtest_curses.py
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1432 lines (1235 loc) · 50.4 KB
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import functools
import inspect
import os
import string
import sys
import tempfile
import unittest
from unittest.mock import MagicMock
from test.support import (requires, verbose, SaveSignals, cpython_only,
check_disallow_instantiation, MISSING_C_DOCSTRINGS,
gc_collect)
from test.support.import_helper import import_module
# 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.
requires('curses')
# If either of these don't exist, skip the tests.
curses = import_module('curses')
import_module('curses.ascii')
import_module('curses.textpad')
try:
import curses.panel
except ImportError:
pass
def requires_curses_func(name):
return unittest.skipUnless(hasattr(curses, name),
'requires curses.%s' % name)
def requires_curses_window_meth(name):
def deco(test):
@functools.wraps(test)
def wrapped(self, *args, **kwargs):
if not hasattr(self.stdscr, name):
raise unittest.SkipTest('requires curses.window.%s' % name)
test(self, *args, **kwargs)
return wrapped
return deco
def requires_colors(test):
@functools.wraps(test)
def wrapped(self, *args, **kwargs):
if not curses.has_colors():
self.skipTest('requires colors support')
curses.start_color()
test(self, *args, **kwargs)
return wrapped
term = os.environ.get('TERM')
SHORT_MAX = 0x7fff
DEFAULT_PAIR_CONTENTS = [
(curses.COLOR_WHITE, curses.COLOR_BLACK),
(0, 0),
(-1, -1),
(15, 0), # for xterm-256color (15 is for BRIGHT WHITE)
]
# If newterm was supported we could use it instead of initscr and not exit
@unittest.skipIf(not term or 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):
if verbose:
print(f'TERM={term}', file=sys.stderr, flush=True)
# testing setupterm() inside initscr/endwin
# causes terminal breakage
stdout_fd = sys.__stdout__.fileno()
curses.setupterm(fd=stdout_fd)
def setUp(self):
self.isatty = True
self.output = sys.__stdout__
stdout_fd = sys.__stdout__.fileno()
if not sys.__stdout__.isatty():
# initstr() unconditionally uses C stdout.
# If it is redirected to file or pipe, try to attach it
# to terminal.
# First, save a copy of the file descriptor of stdout, so it
# can be restored after finishing the test.
dup_fd = os.dup(stdout_fd)
self.addCleanup(os.close, dup_fd)
self.addCleanup(os.dup2, dup_fd, stdout_fd)
if sys.__stderr__.isatty():
# If stderr is connected to terminal, use it.
tmp = sys.__stderr__
self.output = sys.__stderr__
else:
try:
# Try to open the terminal device.
tmp = open('/dev/tty', 'wb', buffering=0)
except OSError:
# As a fallback, use regular file to write control codes.
# Some functions (like savetty) will not work, but at
# least the garbage control sequences will not be mixed
# with the testing report.
tmp = tempfile.TemporaryFile(mode='wb', buffering=0)
self.isatty = False
self.addCleanup(tmp.close)
self.output = None
os.dup2(tmp.fileno(), stdout_fd)
self.save_signals = SaveSignals()
self.save_signals.save()
self.addCleanup(self.save_signals.restore)
if verbose and self.output is not None:
# just to make the test output a little more readable
sys.stderr.flush()
sys.stdout.flush()
print(file=self.output, flush=True)
self.stdscr = curses.initscr()
if self.isatty:
curses.savetty()
self.addCleanup(curses.endwin)
self.addCleanup(curses.resetty)
self.stdscr.erase()
@requires_curses_func('filter')
def test_filter(self):
# TODO: Should be called before initscr() or newterm() are called.
# TODO: nofilter()
curses.filter()
@requires_curses_func('use_env')
def test_use_env(self):
# TODO: Should be called before initscr() or newterm() are called.
# TODO: use_tioctl()
curses.use_env(False)
curses.use_env(True)
def test_create_windows(self):
win = curses.newwin(5, 10)
self.assertEqual(win.getbegyx(), (0, 0))
self.assertEqual(win.getparyx(), (-1, -1))
self.assertEqual(win.getmaxyx(), (5, 10))
win = curses.newwin(10, 15, 2, 5)
self.assertEqual(win.getbegyx(), (2, 5))
self.assertEqual(win.getparyx(), (-1, -1))
self.assertEqual(win.getmaxyx(), (10, 15))
win2 = win.subwin(3, 7)
self.assertEqual(win2.getbegyx(), (3, 7))
self.assertEqual(win2.getparyx(), (1, 2))
self.assertEqual(win2.getmaxyx(), (9, 13))
win2 = win.subwin(5, 10, 3, 7)
self.assertEqual(win2.getbegyx(), (3, 7))
self.assertEqual(win2.getparyx(), (1, 2))
self.assertEqual(win2.getmaxyx(), (5, 10))
win3 = win.derwin(2, 3)
self.assertEqual(win3.getbegyx(), (4, 8))
self.assertEqual(win3.getparyx(), (2, 3))
self.assertEqual(win3.getmaxyx(), (8, 12))
win3 = win.derwin(6, 11, 2, 3)
self.assertEqual(win3.getbegyx(), (4, 8))
self.assertEqual(win3.getparyx(), (2, 3))
self.assertEqual(win3.getmaxyx(), (6, 11))
win.mvwin(0, 1)
self.assertEqual(win.getbegyx(), (0, 1))
self.assertEqual(win.getparyx(), (-1, -1))
self.assertEqual(win.getmaxyx(), (10, 15))
self.assertEqual(win2.getbegyx(), (3, 7))
self.assertEqual(win2.getparyx(), (1, 2))
self.assertEqual(win2.getmaxyx(), (5, 10))
self.assertEqual(win3.getbegyx(), (4, 8))
self.assertEqual(win3.getparyx(), (2, 3))
self.assertEqual(win3.getmaxyx(), (6, 11))
win2.mvderwin(2, 1)
self.assertEqual(win2.getbegyx(), (3, 7))
self.assertEqual(win2.getparyx(), (2, 1))
self.assertEqual(win2.getmaxyx(), (5, 10))
win3.mvderwin(2, 1)
self.assertEqual(win3.getbegyx(), (4, 8))
self.assertEqual(win3.getparyx(), (2, 1))
self.assertEqual(win3.getmaxyx(), (6, 11))
def test_subwindows_references(self):
win = curses.newwin(5, 10)
win2 = win.subwin(3, 7)
del win
gc_collect()
del win2
gc_collect()
def test_move_cursor(self):
stdscr = self.stdscr
win = stdscr.subwin(10, 15, 2, 5)
stdscr.move(1, 2)
win.move(2, 4)
self.assertEqual(stdscr.getyx(), (1, 2))
self.assertEqual(win.getyx(), (2, 4))
win.cursyncup()
self.assertEqual(stdscr.getyx(), (4, 9))
def test_refresh_control(self):
stdscr = self.stdscr
# touchwin()/untouchwin()/is_wintouched()
stdscr.refresh()
self.assertIs(stdscr.is_wintouched(), False)
stdscr.touchwin()
self.assertIs(stdscr.is_wintouched(), True)
stdscr.refresh()
self.assertIs(stdscr.is_wintouched(), False)
stdscr.touchwin()
self.assertIs(stdscr.is_wintouched(), True)
stdscr.untouchwin()
self.assertIs(stdscr.is_wintouched(), False)
# touchline()/untouchline()/is_linetouched()
stdscr.touchline(5, 2)
self.assertIs(stdscr.is_linetouched(5), True)
self.assertIs(stdscr.is_linetouched(6), True)
self.assertIs(stdscr.is_wintouched(), True)
stdscr.touchline(5, 1, False)
self.assertIs(stdscr.is_linetouched(5), False)
# syncup()
win = stdscr.subwin(10, 15, 2, 5)
win2 = win.subwin(5, 10, 3, 7)
win2.touchwin()
stdscr.untouchwin()
win2.syncup()
self.assertIs(win.is_wintouched(), True)
self.assertIs(stdscr.is_wintouched(), True)
# syncdown()
stdscr.touchwin()
win.untouchwin()
win2.untouchwin()
win2.syncdown()
self.assertIs(win2.is_wintouched(), True)
# syncok()
if hasattr(stdscr, 'syncok') and not sys.platform.startswith("sunos"):
win.untouchwin()
stdscr.untouchwin()
for syncok in [False, True]:
win2.syncok(syncok)
win2.addch('a')
self.assertIs(win.is_wintouched(), syncok)
self.assertIs(stdscr.is_wintouched(), syncok)
def test_output_character(self):
stdscr = self.stdscr
encoding = stdscr.encoding
# addch()
stdscr.refresh()
stdscr.move(0, 0)
stdscr.addch('A')
stdscr.addch(b'A')
stdscr.addch(65)
c = '\u20ac'
try:
stdscr.addch(c)
except UnicodeEncodeError:
self.assertRaises(UnicodeEncodeError, c.encode, encoding)
except OverflowError:
encoded = c.encode(encoding)
self.assertNotEqual(len(encoded), 1, repr(encoded))
stdscr.addch('A', curses.A_BOLD)
stdscr.addch(1, 2, 'A')
stdscr.addch(2, 3, 'A', curses.A_BOLD)
self.assertIs(stdscr.is_wintouched(), True)
# echochar()
stdscr.refresh()
stdscr.move(0, 0)
stdscr.echochar('A')
stdscr.echochar(b'A')
stdscr.echochar(65)
with self.assertRaises((UnicodeEncodeError, OverflowError)):
# Unicode is not fully supported yet, but at least it does
# not crash.
# It is supposed to fail because either the character is
# not encodable with the current encoding, or it is encoded to
# a multibyte sequence.
stdscr.echochar('\u0114')
stdscr.echochar('A', curses.A_BOLD)
self.assertIs(stdscr.is_wintouched(), False)
def test_output_string(self):
stdscr = self.stdscr
encoding = stdscr.encoding
# addstr()/insstr()
for func in [stdscr.addstr, stdscr.insstr]:
with self.subTest(func.__qualname__):
stdscr.move(0, 0)
func('abcd')
func(b'abcd')
s = 'àßçđ'
try:
func(s)
except UnicodeEncodeError:
self.assertRaises(UnicodeEncodeError, s.encode, encoding)
func('abcd', curses.A_BOLD)
func(1, 2, 'abcd')
func(2, 3, 'abcd', curses.A_BOLD)
# addnstr()/insnstr()
for func in [stdscr.addnstr, stdscr.insnstr]:
with self.subTest(func.__qualname__):
stdscr.move(0, 0)
func('1234', 3)
func(b'1234', 3)
s = '\u0661\u0662\u0663\u0664'
try:
func(s, 3)
except UnicodeEncodeError:
self.assertRaises(UnicodeEncodeError, s.encode, encoding)
func('1234', 5)
func('1234', 3, curses.A_BOLD)
func(1, 2, '1234', 3)
func(2, 3, '1234', 3, curses.A_BOLD)
def test_output_string_embedded_null_chars(self):
# reject embedded null bytes and characters
stdscr = self.stdscr
for arg in ['a\0', b'a\0']:
with self.subTest(arg=arg):
self.assertRaises(ValueError, stdscr.addstr, arg)
self.assertRaises(ValueError, stdscr.addnstr, arg, 1)
self.assertRaises(ValueError, stdscr.insstr, arg)
self.assertRaises(ValueError, stdscr.insnstr, arg, 1)
def test_read_from_window(self):
stdscr = self.stdscr
stdscr.addstr(0, 1, 'ABCD', curses.A_BOLD)
# inch()
stdscr.move(0, 1)
self.assertEqual(stdscr.inch(), 65 | curses.A_BOLD)
self.assertEqual(stdscr.inch(0, 3), 67 | curses.A_BOLD)
stdscr.move(0, 0)
# instr()
self.assertEqual(stdscr.instr()[:6], b' ABCD ')
self.assertEqual(stdscr.instr(3)[:6], b' AB')
self.assertEqual(stdscr.instr(0, 2)[:4], b'BCD ')
self.assertEqual(stdscr.instr(0, 2, 4), b'BCD ')
self.assertRaises(ValueError, stdscr.instr, -2)
self.assertRaises(ValueError, stdscr.instr, 0, 2, -2)
def test_getch(self):
win = curses.newwin(5, 12, 5, 2)
# TODO: Test with real input by writing to master fd.
for c in 'spam\n'[::-1]:
curses.ungetch(c)
self.assertEqual(win.getch(3, 1), b's'[0])
self.assertEqual(win.getyx(), (3, 1))
self.assertEqual(win.getch(3, 4), b'p'[0])
self.assertEqual(win.getyx(), (3, 4))
self.assertEqual(win.getch(), b'a'[0])
self.assertEqual(win.getyx(), (3, 4))
self.assertEqual(win.getch(), b'm'[0])
self.assertEqual(win.getch(), b'\n'[0])
def test_getstr(self):
win = curses.newwin(5, 12, 5, 2)
curses.echo()
self.addCleanup(curses.noecho)
self.assertRaises(ValueError, win.getstr, -400)
self.assertRaises(ValueError, win.getstr, 2, 3, -400)
# TODO: Test with real input by writing to master fd.
for c in 'Lorem\nipsum\ndolor\nsit\namet\n'[::-1]:
curses.ungetch(c)
self.assertEqual(win.getstr(3, 1, 2), b'Lo')
self.assertEqual(win.instr(3, 0), b' Lo ')
self.assertEqual(win.getstr(3, 5, 10), b'ipsum')
self.assertEqual(win.instr(3, 0), b' Lo ipsum ')
self.assertEqual(win.getstr(1, 5), b'dolor')
self.assertEqual(win.instr(1, 0), b' dolor ')
self.assertEqual(win.getstr(2), b'si')
self.assertEqual(win.instr(1, 0), b'si dolor ')
self.assertEqual(win.getstr(), b'amet')
self.assertEqual(win.instr(1, 0), b'amet dolor ')
def test_clear(self):
win = curses.newwin(5, 15, 5, 2)
lorem_ipsum(win)
win.move(0, 8)
win.clrtoeol()
self.assertEqual(win.instr(0, 0).rstrip(), b'Lorem ip')
self.assertEqual(win.instr(1, 0).rstrip(), b'dolor sit amet,')
win.move(0, 3)
win.clrtobot()
self.assertEqual(win.instr(0, 0).rstrip(), b'Lor')
self.assertEqual(win.instr(1, 0).rstrip(), b'')
for func in [win.erase, win.clear]:
lorem_ipsum(win)
func()
self.assertEqual(win.instr(0, 0).rstrip(), b'')
self.assertEqual(win.instr(1, 0).rstrip(), b'')
def test_insert_delete(self):
win = curses.newwin(5, 15, 5, 2)
lorem_ipsum(win)
win.move(0, 2)
win.delch()
self.assertEqual(win.instr(0, 0), b'Loem ipsum ')
win.delch(0, 7)
self.assertEqual(win.instr(0, 0), b'Loem ipum ')
win.move(1, 5)
win.deleteln()
self.assertEqual(win.instr(0, 0), b'Loem ipum ')
self.assertEqual(win.instr(1, 0), b'consectetur ')
self.assertEqual(win.instr(2, 0), b'adipiscing elit')
self.assertEqual(win.instr(3, 0), b'sed do eiusmod ')
self.assertEqual(win.instr(4, 0), b' ')
win.move(1, 5)
win.insertln()
self.assertEqual(win.instr(0, 0), b'Loem ipum ')
self.assertEqual(win.instr(1, 0), b' ')
self.assertEqual(win.instr(2, 0), b'consectetur ')
win.clear()
lorem_ipsum(win)
win.move(1, 5)
win.insdelln(2)
self.assertEqual(win.instr(0, 0), b'Lorem ipsum ')
self.assertEqual(win.instr(1, 0), b' ')
self.assertEqual(win.instr(2, 0), b' ')
self.assertEqual(win.instr(3, 0), b'dolor sit amet,')
win.clear()
lorem_ipsum(win)
win.move(1, 5)
win.insdelln(-2)
self.assertEqual(win.instr(0, 0), b'Lorem ipsum ')
self.assertEqual(win.instr(1, 0), b'adipiscing elit')
self.assertEqual(win.instr(2, 0), b'sed do eiusmod ')
self.assertEqual(win.instr(3, 0), b' ')
def test_scroll(self):
win = curses.newwin(5, 15, 5, 2)
lorem_ipsum(win)
win.scrollok(True)
win.scroll()
self.assertEqual(win.instr(0, 0), b'dolor sit amet,')
win.scroll(2)
self.assertEqual(win.instr(0, 0), b'adipiscing elit')
win.scroll(-3)
self.assertEqual(win.instr(0, 0), b' ')
self.assertEqual(win.instr(2, 0), b' ')
self.assertEqual(win.instr(3, 0), b'adipiscing elit')
win.scrollok(False)
def test_attributes(self):
# TODO: attr_get(), attr_set(), ...
win = curses.newwin(5, 15, 5, 2)
win.attron(curses.A_BOLD)
win.attroff(curses.A_BOLD)
win.attrset(curses.A_BOLD)
win.standout()
win.standend()
@requires_curses_window_meth('chgat')
def test_chgat(self):
win = curses.newwin(5, 15, 5, 2)
win.addstr(2, 0, 'Lorem ipsum')
win.addstr(3, 0, 'dolor sit amet')
win.move(2, 8)
win.chgat(curses.A_BLINK)
self.assertEqual(win.inch(2, 7), b'p'[0])
self.assertEqual(win.inch(2, 8), b's'[0] | curses.A_BLINK)
self.assertEqual(win.inch(2, 14), b' '[0] | curses.A_BLINK)
win.move(2, 1)
win.chgat(3, curses.A_BOLD)
self.assertEqual(win.inch(2, 0), b'L'[0])
self.assertEqual(win.inch(2, 1), b'o'[0] | curses.A_BOLD)
self.assertEqual(win.inch(2, 3), b'e'[0] | curses.A_BOLD)
self.assertEqual(win.inch(2, 4), b'm'[0])
win.chgat(3, 2, curses.A_UNDERLINE)
self.assertEqual(win.inch(3, 1), b'o'[0])
self.assertEqual(win.inch(3, 2), b'l'[0] | curses.A_UNDERLINE)
self.assertEqual(win.inch(3, 14), b' '[0] | curses.A_UNDERLINE)
win.chgat(3, 4, 7, curses.A_BLINK)
self.assertEqual(win.inch(3, 3), b'o'[0] | curses.A_UNDERLINE)
self.assertEqual(win.inch(3, 4), b'r'[0] | curses.A_BLINK)
self.assertEqual(win.inch(3, 10), b'a'[0] | curses.A_BLINK)
self.assertEqual(win.inch(3, 11), b'm'[0] | curses.A_UNDERLINE)
self.assertEqual(win.inch(3, 14), b' '[0] | curses.A_UNDERLINE)
def test_background(self):
win = curses.newwin(5, 15, 5, 2)
win.addstr(0, 0, 'Lorem ipsum')
self.assertIn(win.getbkgd(), (0, 32))
# bkgdset()
win.bkgdset('_')
self.assertEqual(win.getbkgd(), b'_'[0])
win.bkgdset(b'#')
self.assertEqual(win.getbkgd(), b'#'[0])
win.bkgdset(65)
self.assertEqual(win.getbkgd(), 65)
win.bkgdset(0)
self.assertEqual(win.getbkgd(), 32)
win.bkgdset('#', curses.A_REVERSE)
self.assertEqual(win.getbkgd(), b'#'[0] | curses.A_REVERSE)
self.assertEqual(win.inch(0, 0), b'L'[0])
self.assertEqual(win.inch(0, 5), b' '[0])
win.bkgdset(0)
# bkgd()
win.bkgd('_')
self.assertEqual(win.getbkgd(), b'_'[0])
self.assertEqual(win.inch(0, 0), b'L'[0])
self.assertEqual(win.inch(0, 5), b'_'[0])
win.bkgd('#', curses.A_REVERSE)
self.assertEqual(win.getbkgd(), b'#'[0] | curses.A_REVERSE)
self.assertEqual(win.inch(0, 0), b'L'[0] | curses.A_REVERSE)
self.assertEqual(win.inch(0, 5), b'#'[0] | curses.A_REVERSE)
def test_overlay(self):
srcwin = curses.newwin(5, 18, 3, 4)
lorem_ipsum(srcwin)
dstwin = curses.newwin(7, 17, 5, 7)
for i in range(6):
dstwin.addstr(i, 0, '_'*17)
srcwin.overlay(dstwin)
self.assertEqual(dstwin.instr(0, 0), b'sectetur_________')
self.assertEqual(dstwin.instr(1, 0), b'piscing_elit,____')
self.assertEqual(dstwin.instr(2, 0), b'_do_eiusmod______')
self.assertEqual(dstwin.instr(3, 0), b'_________________')
srcwin.overwrite(dstwin)
self.assertEqual(dstwin.instr(0, 0), b'sectetur __')
self.assertEqual(dstwin.instr(1, 0), b'piscing elit, __')
self.assertEqual(dstwin.instr(2, 0), b' do eiusmod __')
self.assertEqual(dstwin.instr(3, 0), b'_________________')
srcwin.overlay(dstwin, 1, 4, 3, 2, 4, 11)
self.assertEqual(dstwin.instr(3, 0), b'__r_sit_amet_____')
self.assertEqual(dstwin.instr(4, 0), b'__ectetur________')
self.assertEqual(dstwin.instr(5, 0), b'_________________')
srcwin.overwrite(dstwin, 1, 4, 3, 2, 4, 11)
self.assertEqual(dstwin.instr(3, 0), b'__r sit amet_____')
self.assertEqual(dstwin.instr(4, 0), b'__ectetur _____')
self.assertEqual(dstwin.instr(5, 0), b'_________________')
def test_refresh(self):
win = curses.newwin(5, 15, 2, 5)
win.noutrefresh()
win.redrawln(1, 2)
win.redrawwin()
win.refresh()
curses.doupdate()
@requires_curses_window_meth('resize')
def test_resize(self):
win = curses.newwin(5, 15, 2, 5)
win.resize(4, 20)
self.assertEqual(win.getmaxyx(), (4, 20))
win.resize(5, 15)
self.assertEqual(win.getmaxyx(), (5, 15))
@requires_curses_window_meth('enclose')
def test_enclose(self):
win = curses.newwin(5, 15, 2, 5)
self.assertIs(win.enclose(2, 5), True)
self.assertIs(win.enclose(1, 5), False)
self.assertIs(win.enclose(2, 4), False)
self.assertIs(win.enclose(6, 19), True)
self.assertIs(win.enclose(7, 19), False)
self.assertIs(win.enclose(6, 20), False)
def test_putwin(self):
win = curses.newwin(5, 12, 1, 2)
win.addstr(2, 1, 'Lorem ipsum')
with tempfile.TemporaryFile() as f:
win.putwin(f)
del win
f.seek(0)
win = curses.getwin(f)
self.assertEqual(win.getbegyx(), (1, 2))
self.assertEqual(win.getmaxyx(), (5, 12))
self.assertEqual(win.instr(2, 0), b' Lorem ipsum')
def test_borders_and_lines(self):
win = curses.newwin(5, 10, 5, 2)
win.border('|', '!', '-', '_',
'+', '\\', '#', '/')
self.assertEqual(win.instr(0, 0), b'+--------\\')
self.assertEqual(win.instr(1, 0), b'| !')
self.assertEqual(win.instr(4, 0), b'#________/')
win.border(b'|', b'!', b'-', b'_',
b'+', b'\\', b'#', b'/')
win.border(65, 66, 67, 68,
69, 70, 71, 72)
self.assertRaises(TypeError, win.border,
65, 66, 67, 68, 69, [], 71, 72)
self.assertRaises(TypeError, win.border,
65, 66, 67, 68, 69, 70, 71, 72, 73)
self.assertRaises(TypeError, win.border,
65, 66, 67, 68, 69, 70, 71, 72, 73)
win.border(65, 66, 67, 68, 69, 70, 71)
win.border(65, 66, 67, 68, 69, 70)
win.border(65, 66, 67, 68, 69)
win.border(65, 66, 67, 68)
win.border(65, 66, 67)
win.border(65, 66)
win.border(65)
win.border()
win.box(':', '~')
self.assertEqual(win.instr(0, 1, 8), b'~~~~~~~~')
self.assertEqual(win.instr(1, 0), b': :')
self.assertEqual(win.instr(4, 1, 8), b'~~~~~~~~')
win.box(b':', b'~')
win.box(65, 67)
self.assertRaises(TypeError, win.box, 65, 66, 67)
self.assertRaises(TypeError, win.box, 65)
win.box()
win.move(1, 2)
win.hline('-', 5)
self.assertEqual(win.instr(1, 1, 7), b' ----- ')
win.hline(b'-', 5)
win.hline(45, 5)
win.hline('-', 5, curses.A_BOLD)
win.hline(1, 1, '-', 5)
win.hline(1, 1, '-', 5, curses.A_BOLD)
win.move(1, 2)
win.vline('a', 3)
win.vline(b'a', 3)
win.vline(97, 3)
win.vline('a', 3, curses.A_STANDOUT)
win.vline(1, 1, 'a', 3)
win.vline(1, 1, ';', 2, curses.A_STANDOUT)
self.assertEqual(win.inch(1, 1), b';'[0] | curses.A_STANDOUT)
self.assertEqual(win.inch(2, 1), b';'[0] | curses.A_STANDOUT)
self.assertEqual(win.inch(3, 1), b'a'[0])
def test_unctrl(self):
# TODO: wunctrl()
self.assertEqual(curses.unctrl(b'A'), b'A')
self.assertEqual(curses.unctrl('A'), b'A')
self.assertEqual(curses.unctrl(65), b'A')
self.assertEqual(curses.unctrl(b'\n'), b'^J')
self.assertEqual(curses.unctrl('\n'), b'^J')
self.assertEqual(curses.unctrl(10), b'^J')
self.assertRaises(TypeError, curses.unctrl, b'')
self.assertRaises(TypeError, curses.unctrl, b'AB')
self.assertRaises(TypeError, curses.unctrl, '')
self.assertRaises(TypeError, curses.unctrl, 'AB')
self.assertRaises(OverflowError, curses.unctrl, 2**64)
def test_endwin(self):
if not self.isatty:
self.skipTest('requires terminal')
self.assertIs(curses.isendwin(), False)
curses.endwin()
self.assertIs(curses.isendwin(), True)
curses.doupdate()
self.assertIs(curses.isendwin(), False)
def test_terminfo(self):
self.assertIsInstance(curses.tigetflag('hc'), int)
self.assertEqual(curses.tigetflag('cols'), -1)
self.assertEqual(curses.tigetflag('cr'), -1)
self.assertIsInstance(curses.tigetnum('cols'), int)
self.assertEqual(curses.tigetnum('hc'), -2)
self.assertEqual(curses.tigetnum('cr'), -2)
self.assertIsInstance(curses.tigetstr('cr'), (bytes, type(None)))
self.assertIsNone(curses.tigetstr('hc'))
self.assertIsNone(curses.tigetstr('cols'))
cud = curses.tigetstr('cud')
if cud is not None:
# See issue10570.
self.assertIsInstance(cud, bytes)
curses.tparm(cud, 2)
cud_2 = curses.tparm(cud, 2)
self.assertIsInstance(cud_2, bytes)
curses.putp(cud_2)
curses.putp(b'abc\n')
def test_misc_module_funcs(self):
curses.delay_output(1)
curses.flushinp()
curses.doupdate()
self.assertIs(curses.isendwin(), False)
curses.napms(100)
curses.newpad(50, 50)
def test_env_queries(self):
# TODO: term_attrs(), erasewchar(), killwchar()
self.assertIsInstance(curses.termname(), bytes)
self.assertIsInstance(curses.longname(), bytes)
self.assertIsInstance(curses.baudrate(), int)
self.assertIsInstance(curses.has_ic(), bool)
self.assertIsInstance(curses.has_il(), bool)
self.assertIsInstance(curses.termattrs(), int)
c = curses.killchar()
self.assertIsInstance(c, bytes)
self.assertEqual(len(c), 1)
c = curses.erasechar()
self.assertIsInstance(c, bytes)
self.assertEqual(len(c), 1)
def test_output_options(self):
stdscr = self.stdscr
stdscr.clearok(True)
stdscr.clearok(False)
stdscr.idcok(True)
stdscr.idcok(False)
stdscr.idlok(False)
stdscr.idlok(True)
if hasattr(stdscr, 'immedok'):
stdscr.immedok(True)
stdscr.immedok(False)
stdscr.leaveok(True)
stdscr.leaveok(False)
stdscr.scrollok(True)
stdscr.scrollok(False)
stdscr.setscrreg(5, 10)
curses.nonl()
curses.nl(True)
curses.nl(False)
curses.nl()
def test_input_options(self):
stdscr = self.stdscr
if self.isatty:
curses.nocbreak()
curses.cbreak()
curses.cbreak(False)
curses.cbreak(True)
curses.intrflush(True)
curses.intrflush(False)
curses.raw()
curses.raw(False)
curses.raw(True)
curses.noraw()
curses.noecho()
curses.echo()
curses.echo(False)
curses.echo(True)
curses.halfdelay(255)
curses.halfdelay(1)
stdscr.keypad(True)
stdscr.keypad(False)
curses.meta(True)
curses.meta(False)
stdscr.nodelay(True)
stdscr.nodelay(False)
curses.noqiflush()
curses.qiflush(True)
curses.qiflush(False)
curses.qiflush()
stdscr.notimeout(True)
stdscr.notimeout(False)
stdscr.timeout(-1)
stdscr.timeout(0)
stdscr.timeout(5)
@requires_curses_func('typeahead')
def test_typeahead(self):
curses.typeahead(sys.__stdin__.fileno())
curses.typeahead(-1)
def test_prog_mode(self):
if not self.isatty:
self.skipTest('requires terminal')
curses.def_prog_mode()
curses.reset_prog_mode()
def test_beep(self):
if (curses.tigetstr("bel") is not None
or curses.tigetstr("flash") is not None):
curses.beep()
else:
try:
curses.beep()
except curses.error:
self.skipTest('beep() failed')
def test_flash(self):
if (curses.tigetstr("bel") is not None
or curses.tigetstr("flash") is not None):
curses.flash()
else:
try:
curses.flash()
except curses.error:
self.skipTest('flash() failed')
def test_curs_set(self):
for vis, cap in [(0, 'civis'), (2, 'cvvis'), (1, 'cnorm')]:
if curses.tigetstr(cap) is not None:
curses.curs_set(vis)
else:
try:
curses.curs_set(vis)
except curses.error:
pass
@requires_curses_func('get_escdelay')
def test_escdelay(self):
escdelay = curses.get_escdelay()
self.assertIsInstance(escdelay, int)
curses.set_escdelay(25)
self.assertEqual(curses.get_escdelay(), 25)
curses.set_escdelay(escdelay)
@requires_curses_func('get_tabsize')
def test_tabsize(self):
tabsize = curses.get_tabsize()
self.assertIsInstance(tabsize, int)
curses.set_tabsize(4)
self.assertEqual(curses.get_tabsize(), 4)
curses.set_tabsize(tabsize)
@requires_curses_func('getsyx')
def test_getsyx(self):
y, x = curses.getsyx()
self.assertIsInstance(y, int)
self.assertIsInstance(x, int)
curses.setsyx(4, 5)
self.assertEqual(curses.getsyx(), (4, 5))
def bad_colors(self):
return (-1, curses.COLORS, -2**31 - 1, 2**31, -2**63 - 1, 2**63, 2**64)
def bad_colors2(self):
return (curses.COLORS, 2**31, 2**63, 2**64)
def bad_pairs(self):
return (-1, -2**31 - 1, 2**31, -2**63 - 1, 2**63, 2**64)
def test_has_colors(self):
self.assertIsInstance(curses.has_colors(), bool)
self.assertIsInstance(curses.can_change_color(), bool)
def test_start_color(self):
if not curses.has_colors():
self.skipTest('requires colors support')
curses.start_color()
if verbose:
print(f'COLORS = {curses.COLORS}', file=sys.stderr)
print(f'COLOR_PAIRS = {curses.COLOR_PAIRS}', file=sys.stderr)
@requires_colors
def test_color_content(self):
self.assertEqual(curses.color_content(curses.COLOR_BLACK), (0, 0, 0))
curses.color_content(0)
maxcolor = curses.COLORS - 1
curses.color_content(maxcolor)
for color in self.bad_colors():
self.assertRaises(ValueError, curses.color_content, color)
@requires_colors
def test_init_color(self):
if not curses.can_change_color():
self.skipTest('cannot change color')
old = curses.color_content(0)
try:
curses.init_color(0, *old)
except curses.error:
self.skipTest('cannot change color (init_color() failed)')
self.addCleanup(curses.init_color, 0, *old)
curses.init_color(0, 0, 0, 0)
self.assertEqual(curses.color_content(0), (0, 0, 0))
curses.init_color(0, 1000, 1000, 1000)
self.assertEqual(curses.color_content(0), (1000, 1000, 1000))
maxcolor = curses.COLORS - 1
old = curses.color_content(maxcolor)
curses.init_color(maxcolor, *old)
self.addCleanup(curses.init_color, maxcolor, *old)
curses.init_color(maxcolor, 0, 500, 1000)
self.assertEqual(curses.color_content(maxcolor), (0, 500, 1000))
for color in self.bad_colors():
self.assertRaises(ValueError, curses.init_color, color, 0, 0, 0)
for comp in (-1, 1001):
self.assertRaises(ValueError, curses.init_color, 0, comp, 0, 0)
self.assertRaises(ValueError, curses.init_color, 0, 0, comp, 0)
self.assertRaises(ValueError, curses.init_color, 0, 0, 0, comp)
def get_pair_limit(self):
pair_limit = curses.COLOR_PAIRS
if hasattr(curses, 'ncurses_version'):
if curses.has_extended_color_support():
pair_limit += 2*curses.COLORS + 1
if (not curses.has_extended_color_support()
or (6, 1) <= curses.ncurses_version < (6, 2)):
pair_limit = min(pair_limit, SHORT_MAX)
# If use_default_colors() is called, the upper limit of the extended
# range may be restricted, so we need to check if the limit is still
# correct
try:
curses.init_pair(pair_limit - 1, 0, 0)
except ValueError:
pair_limit = curses.COLOR_PAIRS
return pair_limit
@requires_colors
def test_pair_content(self):
if not hasattr(curses, 'use_default_colors'):
self.assertIn(curses.pair_content(0), DEFAULT_PAIR_CONTENTS)
curses.pair_content(0)
maxpair = self.get_pair_limit() - 1
if maxpair > 0:
curses.pair_content(maxpair)
for pair in self.bad_pairs():
self.assertRaises(ValueError, curses.pair_content, pair)
@requires_colors
def test_init_pair(self):
old = curses.pair_content(1)
curses.init_pair(1, *old)
self.addCleanup(curses.init_pair, 1, *old)
curses.init_pair(1, 0, 0)
self.assertEqual(curses.pair_content(1), (0, 0))
maxcolor = curses.COLORS - 1
curses.init_pair(1, maxcolor, 0)
self.assertEqual(curses.pair_content(1), (maxcolor, 0))
curses.init_pair(1, 0, maxcolor)
self.assertEqual(curses.pair_content(1), (0, maxcolor))
maxpair = self.get_pair_limit() - 1
if maxpair > 1:
curses.init_pair(maxpair, 0, 0)
self.assertEqual(curses.pair_content(maxpair), (0, 0))
for pair in self.bad_pairs():
self.assertRaises(ValueError, curses.init_pair, pair, 0, 0)
for color in self.bad_colors2():
self.assertRaises(ValueError, curses.init_pair, 1, color, 0)
self.assertRaises(ValueError, curses.init_pair, 1, 0, color)
@requires_colors
def test_color_attrs(self):
for pair in 0, 1, 255:
attr = curses.color_pair(pair)
self.assertEqual(curses.pair_number(attr), pair, attr)
self.assertEqual(curses.pair_number(attr | curses.A_BOLD), pair)
self.assertEqual(curses.color_pair(0), 0)