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)
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
# 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_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.assertEqual(curses.pair_content(0),
(curses.COLOR_WHITE, curses.COLOR_BLACK))
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)
self.assertEqual(curses.pair_number(0), 0)
@requires_curses_func('use_default_colors')
@requires_colors
def test_use_default_colors(self):
old = curses.pair_content(0)
try:
curses.use_default_colors()
except curses.error:
self.skipTest('cannot change color (use_default_colors() failed)')
self.assertEqual(curses.pair_content(0), (-1, -1))
self.assertIn(old, [(curses.COLOR_WHITE, curses.COLOR_BLACK), (-1, -1), (0, 0)])
def test_keyname(self):
# TODO: key_name()
self.assertEqual(curses.keyname(65), b'A')
self.assertEqual(curses.keyname(13), b'^M')
self.assertEqual(curses.keyname(127), b'^?')
self.assertEqual(curses.keyname(0), b'^@')
self.assertRaises(ValueError, curses.keyname, -1)
self.assertIsInstance(curses.keyname(256), bytes)
@requires_curses_func('has_key')
def test_has_key(self):
curses.has_key(13)
@requires_curses_func('getmouse')
def test_getmouse(self):
(availmask, oldmask) = curses.mousemask(curses.BUTTON1_PRESSED)
if availmask == 0:
self.skipTest('mouse stuff not available')
curses.mouseinterval(10)
# just verify these don't cause errors
curses.ungetmouse(0, 0, 0, 0, curses.BUTTON1_PRESSED)
m = curses.getmouse()
@requires_curses_func('panel')
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()
@requires_curses_func('panel')
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")
@requires_curses_func('panel')
def test_userptr_segfault(self):
w = curses.newwin(10, 10)
panel = curses.panel.new_panel(w)
class A:
def __del__(self):
panel.set_userptr(None)
panel.set_userptr(A())
panel.set_userptr(None)
@cpython_only
@requires_curses_func('panel')
def test_disallow_instantiation(self):
# Ensure that the type disallows instantiation (bpo-43916)
w = curses.newwin(10, 10)
panel = curses.panel.new_panel(w)
check_disallow_instantiation(self, type(panel))
@requires_curses_func('is_term_resized')
def test_is_term_resized(self):
lines, cols = curses.LINES, curses.COLS
self.assertIs(curses.is_term_resized(lines, cols), False)
self.assertIs(curses.is_term_resized(lines-1, cols-1), True)
@requires_curses_func('resize_term')
def test_resize_term(self):
curses.update_lines_cols()
lines, cols = curses.LINES, curses.COLS
new_lines = lines - 1
new_cols = cols + 1
curses.resize_term(new_lines, new_cols)
self.assertEqual(curses.LINES, new_lines)
self.assertEqual(curses.COLS, new_cols)
curses.resize_term(lines, cols)
self.assertEqual(curses.LINES, lines)
self.assertEqual(curses.COLS, cols)
@requires_curses_func('resizeterm')
def test_resizeterm(self):
curses.update_lines_cols()
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)
curses.resizeterm(lines, cols)
self.assertEqual(curses.LINES, lines)
self.assertEqual(curses.COLS, cols)
def test_ungetch(self):
curses.ungetch(b'A')
self.assertEqual(self.stdscr.getkey(), 'A')
curses.ungetch('B')
self.assertEqual(self.stdscr.getkey(), 'B')
curses.ungetch(67)
self.assertEqual(self.stdscr.getkey(), 'C')
def test_issue6243(self):
curses.ungetch(1025)
self.stdscr.getkey()
@requires_curses_func('unget_wch')
@unittest.skipIf(getattr(curses, 'ncurses_version', (99,)) < (5, 8),
"unget_wch is broken in ncurses 5.7 and earlier")
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_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
@unittest.skipIf(MISSING_C_DOCSTRINGS,
"Signature information for builtins requires docstrings")
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]
self.assertIn("[y, x,]", human_readable_signature)
@requires_curses_window_meth('resize')
def test_issue13051(self):
win = curses.newwin(5, 15, 2, 5)
box = curses.textpad.Textbox(win, insert_mode=True)
lines, cols = win.getmaxyx()
win.resize(lines-2, cols-2)
# this may cause infinite recursion, leading to a RuntimeError
box._insert_printable_char('a')
class MiscTests(unittest.TestCase):
@requires_curses_func('update_lines_cols')
def test_update_lines_cols(self):
curses.update_lines_cols()
lines, cols = curses.LINES, curses.COLS
curses.LINES = curses.COLS = 0
curses.update_lines_cols()
self.assertEqual(curses.LINES, lines)
self.assertEqual(curses.COLS, cols)
@requires_curses_func('ncurses_version')
def test_ncurses_version(self):
v = curses.ncurses_version
if verbose:
print(f'ncurses_version = {curses.ncurses_version}', flush=True)
self.assertIsInstance(v[:], tuple)
self.assertEqual(len(v), 3)
self.assertIsInstance(v[0], int)
self.assertIsInstance(v[1], int)
self.assertIsInstance(v[2], int)
self.assertIsInstance(v.major, int)
self.assertIsInstance(v.minor, int)
self.assertIsInstance(v.patch, int)
self.assertEqual(v[0], v.major)
self.assertEqual(v[1], v.minor)
self.assertEqual(v[2], v.patch)
self.assertGreaterEqual(v.major, 0)
self.assertGreaterEqual(v.minor, 0)
self.assertGreaterEqual(v.patch, 0)
def test_has_extended_color_support(self):
r = curses.has_extended_color_support()
self.assertIsInstance(r, bool)
class TestAscii(unittest.TestCase):
def test_controlnames(self):
for name in curses.ascii.controlnames:
self.assertTrue(hasattr(curses.ascii, name), name)
def test_ctypes(self):
def check(func, expected):
with self.subTest(ch=c, func=func):
self.assertEqual(func(i), expected)
self.assertEqual(func(c), expected)
for i in range(256):
c = chr(i)
b = bytes([i])
check(curses.ascii.isalnum, b.isalnum())
check(curses.ascii.isalpha, b.isalpha())
check(curses.ascii.isdigit, b.isdigit())
check(curses.ascii.islower, b.islower())
check(curses.ascii.isspace, b.isspace())
check(curses.ascii.isupper, b.isupper())
check(curses.ascii.isascii, i < 128)
check(curses.ascii.ismeta, i >= 128)
check(curses.ascii.isctrl, i < 32)
check(curses.ascii.iscntrl, i < 32 or i == 127)
check(curses.ascii.isblank, c in ' \t')
check(curses.ascii.isgraph, 32 < i <= 126)
check(curses.ascii.isprint, 32 <= i <= 126)
check(curses.ascii.ispunct, c in string.punctuation)
check(curses.ascii.isxdigit, c in string.hexdigits)
for i in (-2, -1, 256, sys.maxunicode, sys.maxunicode+1):
self.assertFalse(curses.ascii.isalnum(i))
self.assertFalse(curses.ascii.isalpha(i))
self.assertFalse(curses.ascii.isdigit(i))
self.assertFalse(curses.ascii.islower(i))
self.assertFalse(curses.ascii.isspace(i))
self.assertFalse(curses.ascii.isupper(i))
self.assertFalse(curses.ascii.isascii(i))
self.assertFalse(curses.ascii.isctrl(i))
self.assertFalse(curses.ascii.iscntrl(i))
self.assertFalse(curses.ascii.isblank(i))
self.assertFalse(curses.ascii.isgraph(i))
self.assertFalse(curses.ascii.isprint(i))
self.assertFalse(curses.ascii.ispunct(i))
self.assertFalse(curses.ascii.isxdigit(i))
self.assertFalse(curses.ascii.ismeta(-1))
def test_ascii(self):
ascii = curses.ascii.ascii
self.assertEqual(ascii('\xc1'), 'A')
self.assertEqual(ascii('A'), 'A')
self.assertEqual(ascii(ord('\xc1')), ord('A'))
def test_ctrl(self):
ctrl = curses.ascii.ctrl
self.assertEqual(ctrl('J'), '\n')
self.assertEqual(ctrl('\n'), '\n')
self.assertEqual(ctrl('@'), '\0')
self.assertEqual(ctrl(ord('J')), ord('\n'))
def test_alt(self):
alt = curses.ascii.alt
self.assertEqual(alt('\n'), '\x8a')
self.assertEqual(alt('A'), '\xc1')
self.assertEqual(alt(ord('A')), 0xc1)
def test_unctrl(self):
unctrl = curses.ascii.unctrl
self.assertEqual(unctrl('a'), 'a')
self.assertEqual(unctrl('A'), 'A')
self.assertEqual(unctrl(';'), ';')
self.assertEqual(unctrl(' '), ' ')
self.assertEqual(unctrl('\x7f'), '^?')
self.assertEqual(unctrl('\n'), '^J')
self.assertEqual(unctrl('\0'), '^@')
self.assertEqual(unctrl(ord('A')), 'A')
self.assertEqual(unctrl(ord('\n')), '^J')
# Meta-bit characters
self.assertEqual(unctrl('\x8a'), '!^J')
self.assertEqual(unctrl('\xc1'), '!A')
self.assertEqual(unctrl(ord('\x8a')), '!^J')
self.assertEqual(unctrl(ord('\xc1')), '!A')
def lorem_ipsum(win):
text = [
'Lorem ipsum',
'dolor sit amet,',
'consectetur',
'adipiscing elit,',
'sed do eiusmod',
'tempor incididunt',
'ut labore et',
'dolore magna',
'aliqua.',
]
maxy, maxx = win.getmaxyx()
for y, line in enumerate(text[:maxy]):
win.addstr(y, 0, line[:maxx - (y == maxy - 1)])
class TextboxTest(unittest.TestCase):
def setUp(self):
self.mock_win = MagicMock(spec=curses.window)
self.mock_win.getyx.return_value = (1, 1)
self.mock_win.getmaxyx.return_value = (10, 20)
self.textbox = curses.textpad.Textbox(self.mock_win)
def test_init(self):
"""Test textbox initialization."""
self.mock_win.reset_mock()
tb = curses.textpad.Textbox(self.mock_win)
self.mock_win.getmaxyx.assert_called_once_with()
self.mock_win.keypad.assert_called_once_with(1)
self.assertEqual(tb.insert_mode, False)
self.assertEqual(tb.stripspaces, 1)
self.assertIsNone(tb.lastcmd)
self.mock_win.reset_mock()
def test_insert(self):
"""Test inserting a printable character."""
self.mock_win.reset_mock()
self.textbox.do_command(ord('a'))
self.mock_win.addch.assert_called_with(ord('a'))
self.textbox.do_command(ord('b'))
self.mock_win.addch.assert_called_with(ord('b'))
self.textbox.do_command(ord('c'))
self.mock_win.addch.assert_called_with(ord('c'))
self.mock_win.reset_mock()
def test_delete(self):
"""Test deleting a character."""
self.mock_win.reset_mock()
self.textbox.do_command(curses.ascii.BS)
self.textbox.do_command(curses.KEY_BACKSPACE)
self.textbox.do_command(curses.ascii.DEL)
assert self.mock_win.delch.call_count == 3
self.mock_win.reset_mock()
def test_move_left(self):
"""Test moving the cursor left."""
self.mock_win.reset_mock()
self.textbox.do_command(curses.KEY_LEFT)
self.mock_win.move.assert_called_with(1, 0)
self.mock_win.reset_mock()
def test_move_right(self):
"""Test moving the cursor right."""
self.mock_win.reset_mock()
self.textbox.do_command(curses.KEY_RIGHT)
self.mock_win.move.assert_called_with(1, 2)
self.mock_win.reset_mock()
def test_move_left_and_right(self):
"""Test moving the cursor left and then right."""
self.mock_win.reset_mock()
self.textbox.do_command(curses.KEY_LEFT)
self.mock_win.move.assert_called_with(1, 0)
self.textbox.do_command(curses.KEY_RIGHT)
self.mock_win.move.assert_called_with(1, 2)
self.mock_win.reset_mock()
def test_move_up(self):
"""Test moving the cursor up."""
self.mock_win.reset_mock()
self.textbox.do_command(curses.KEY_UP)
self.mock_win.move.assert_called_with(0, 1)
self.mock_win.reset_mock()
def test_move_down(self):
"""Test moving the cursor down."""
self.mock_win.reset_mock()
self.textbox.do_command(curses.KEY_DOWN)
self.mock_win.move.assert_called_with(2, 1)
self.mock_win.reset_mock()
if __name__ == '__main__':
unittest.main()
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