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|
# -*- coding: utf-8 -*-
"""Tests for Terminal methods that account for sequences in strings"""
# std imports
import os
import sys
import struct
import platform
import itertools
# 3rd party
import pytest
# local
from blessed._compat import StringIO
from .accessories import TestTerminal, as_subprocess
from .conftest import IS_WINDOWS
if platform.system() != 'Windows':
import fcntl
import termios
def test_length_cjk():
"""Test length of East Asian characters"""
@as_subprocess
def child():
term = TestTerminal()
# given,
given = term.bold_red(u'コンニチハ, セカイ!')
expected = sum((2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 1,))
# exercise,
assert term.length(given) == expected
child()
def test_length_with_zwj_is_wrong():
"""Because of the way Zero-Width Joiner (ZWJ) is measured, blessed gets this wrong"""
# But for the time being, so do many terminals (~85%), so its not a huge deal..
# https://ucs-detect.readthedocs.io/results.html
@as_subprocess
def child():
term = TestTerminal()
# RGI_Emoji_ZWJ_Sequence ; family: woman, woman, girl, boy
given = term.bold_red(u'\U0001F469\u200D\U0001F469\u200D\U0001F467\u200D\U0001F466')
expected = sum((2, 0, 2, 0, 2, 0, 2))
# exercise,
assert term.length(given) == expected
def test_length_ansiart():
"""Test length of ANSI art"""
@as_subprocess
def child(kind):
import codecs
term = TestTerminal(kind=kind)
# this 'ansi' art contributed by xzip!impure for another project,
# unlike most CP-437 DOS ansi art, this is actually utf-8 encoded.
fname = os.path.join(os.path.dirname(__file__), 'wall.ans')
with codecs.open(fname, 'r', 'utf-8') as ansiart:
lines = ansiart.readlines()
assert term.length(lines[0]) == 67 # ^[[64C^[[34m▄▓▄
assert term.length(lines[1]) == 75
assert term.length(lines[2]) == 78
assert term.length(lines[3]) == 78
assert term.length(lines[4]) == 78
assert term.length(lines[5]) == 78
assert term.length(lines[6]) == 77
kind = 'vtwin10' if IS_WINDOWS else 'xterm-256color'
child(kind)
def test_sequence_length(all_terms):
"""Ensure T.length(string containing sequence) is correct."""
# pylint: disable=too-complex,too-many-statements
@as_subprocess
def child(kind):
term = TestTerminal(kind=kind, force_styling=True)
# Make sure to test with 24-bit color on at least one terminal
if kind == 'xterm':
term.number_of_colors = 1 << 24
# Create a list of ascii characters, to be separated
# by word, to be zipped up with a cycling list of
# terminal sequences. Then, compare the length of
# each, the basic plain_texterm.__len__ vs. the Terminal
# method length. They should be equal.
plain_text = (u'The softest things of the world '
u'Override the hardest things of the world '
u'That which has no substance '
u'Enters into that which has no openings')
if term.bold:
assert (term.length(term.bold) == 0)
assert (term.length(term.bold(u'x')) == 1)
assert (term.length(term.bold_red) == 0)
assert (term.length(term.bold_red(u'x')) == 1)
assert (term.length(term.bold_on_red) == 0)
assert (term.length(term.bold_on_red(u'x')) == 1)
assert (term.length(term.bold_olivedrab4) == 0)
assert (term.length(term.bold_olivedrab4(u'x')) == 1)
assert (term.length(term.bold_on_olivedrab4) == 0)
assert (term.length(term.bold_on_olivedrab4(u'x')) == 1)
assert (term.strip(term.bold) == u'')
assert (term.rstrip(term.bold) == u'')
assert (term.lstrip(term.bold) == u'')
assert (term.strip(term.bold(u' x ')) == u'x')
assert (term.strip(term.bold(u'z x q'), 'zq') == u' x ')
assert (term.rstrip(term.bold(u' x ')) == u' x')
assert (term.lstrip(term.bold(u' x ')) == u'x ')
assert (term.strip(term.bold_red) == u'')
assert (term.rstrip(term.bold_red) == u'')
assert (term.lstrip(term.bold_red) == u'')
assert (term.strip(term.bold_on_red) == u'')
assert (term.rstrip(term.bold_on_red) == u'')
assert (term.lstrip(term.bold_on_red) == u'')
assert (term.strip(term.bold_olivedrab4) == u'')
assert (term.rstrip(term.bold_olivedrab4) == u'')
assert (term.lstrip(term.bold_olivedrab4) == u'')
assert (term.strip(term.bold_on_olivedrab4) == u'')
assert (term.rstrip(term.bold_on_olivedrab4) == u'')
assert (term.lstrip(term.bold_on_olivedrab4) == u'')
assert (term.strip(term.bold_red(u' x ')) == u'x')
assert (term.rstrip(term.bold_red(u' x ')) == u' x')
assert (term.lstrip(term.bold_red(u' x ')) == u'x ')
assert (term.strip(term.bold_on_red(u' x ')) == u'x')
assert (term.rstrip(term.bold_on_red(u' x ')) == u' x')
assert (term.lstrip(term.bold_on_red(u' x ')) == u'x ')
assert (term.strip(term.bold_olivedrab4(u' x ')) == u'x')
assert (term.rstrip(term.bold_olivedrab4(u' x ')) == u' x')
assert (term.lstrip(term.bold_olivedrab4(u' x ')) == u'x ')
assert (term.strip(term.bold_on_olivedrab4(u' x ')) == u'x')
assert (term.rstrip(term.bold_on_olivedrab4(u' x ')) == u' x')
assert (term.lstrip(term.bold_on_olivedrab4(u' x ')) == u'x ')
assert (term.strip_seqs(term.bold) == u'')
assert (term.strip_seqs(term.bold(u' x ')) == u' x ')
assert (term.strip_seqs(term.bold_red) == u'')
assert (term.strip_seqs(term.bold_red(u' x ')) == u' x ')
assert (term.strip_seqs(term.bold_on_red) == u'')
assert (term.strip_seqs(term.bold_on_red(u' x ')) == u' x ')
assert (term.strip_seqs(term.bold_olivedrab4) == u'')
assert (term.strip_seqs(term.bold_olivedrab4(u' x ')) == u' x ')
assert (term.strip_seqs(term.bold_on_olivedrab4) == u'')
assert (term.strip_seqs(term.bold_on_olivedrab4(u' x ')) == u' x ')
if term.underline:
assert (term.length(term.underline) == 0)
assert (term.length(term.underline(u'x')) == 1)
assert (term.length(term.underline_red) == 0)
assert (term.length(term.underline_red(u'x')) == 1)
assert (term.length(term.underline_on_red) == 0)
assert (term.length(term.underline_on_red(u'x')) == 1)
assert (term.length(term.underline_olivedrab4) == 0)
assert (term.length(term.underline_olivedrab4(u'x')) == 1)
assert (term.length(term.underline_on_olivedrab4) == 0)
assert (term.length(term.underline_on_olivedrab4(u'x')) == 1)
assert (term.strip(term.underline) == u'')
assert (term.strip(term.underline(u' x ')) == u'x')
assert (term.strip(term.underline_red) == u'')
assert (term.strip(term.underline_red(u' x ')) == u'x')
assert (term.rstrip(term.underline_red(u' x ')) == u' x')
assert (term.lstrip(term.underline_red(u' x ')) == u'x ')
assert (term.strip(term.underline_on_red) == u'')
assert (term.strip(term.underline_on_red(u' x ')) == u'x')
assert (term.rstrip(term.underline_on_red(u' x ')) == u' x')
assert (term.lstrip(term.underline_on_red(u' x ')) == u'x ')
assert (term.strip(term.underline_olivedrab4) == u'')
assert (term.strip(term.underline_olivedrab4(u' x ')) == u'x')
assert (term.rstrip(term.underline_olivedrab4(u' x ')) == u' x')
assert (term.lstrip(term.underline_olivedrab4(u' x ')) == u'x ')
assert (term.strip(term.underline_on_olivedrab4) == u'')
assert (term.strip(term.underline_on_olivedrab4(u' x ')) == u'x')
assert (term.rstrip(term.underline_on_olivedrab4(u' x ')) == u' x')
assert (term.lstrip(term.underline_on_olivedrab4(u' x ')) == u'x ')
assert (term.strip_seqs(term.underline) == u'')
assert (term.strip_seqs(term.underline(u' x ')) == u' x ')
assert (term.strip_seqs(term.underline_red) == u'')
assert (term.strip_seqs(term.underline_red(u' x ')) == u' x ')
assert (term.strip_seqs(term.underline_on_red) == u'')
assert (term.strip_seqs(term.underline_on_red(u' x ')) == u' x ')
assert (term.strip_seqs(term.underline_olivedrab4) == u'')
assert (term.strip_seqs(term.underline_olivedrab4(u' x ')) == u' x ')
assert (term.strip_seqs(term.underline_on_olivedrab4) == u'')
assert (term.strip_seqs(term.underline_on_olivedrab4(u' x ')) == u' x ')
if term.reverse:
assert (term.length(term.reverse) == 0)
assert (term.length(term.reverse(u'x')) == 1)
assert (term.length(term.reverse_red) == 0)
assert (term.length(term.reverse_red(u'x')) == 1)
assert (term.length(term.reverse_on_red) == 0)
assert (term.length(term.reverse_on_red(u'x')) == 1)
assert (term.length(term.reverse_olivedrab4) == 0)
assert (term.length(term.reverse_olivedrab4(u'x')) == 1)
assert (term.length(term.reverse_on_olivedrab4) == 0)
assert (term.length(term.reverse_on_olivedrab4(u'x')) == 1)
assert (term.strip(term.reverse) == u'')
assert (term.strip(term.reverse(u' x ')) == u'x')
assert (term.strip(term.reverse_red) == u'')
assert (term.strip(term.reverse_red(u' x ')) == u'x')
assert (term.rstrip(term.reverse_red(u' x ')) == u' x')
assert (term.lstrip(term.reverse_red(u' x ')) == u'x ')
assert (term.strip(term.reverse_on_red) == u'')
assert (term.strip(term.reverse_on_red(u' x ')) == u'x')
assert (term.rstrip(term.reverse_on_red(u' x ')) == u' x')
assert (term.lstrip(term.reverse_on_red(u' x ')) == u'x ')
assert (term.strip(term.reverse_olivedrab4) == u'')
assert (term.strip(term.reverse_olivedrab4(u' x ')) == u'x')
assert (term.rstrip(term.reverse_olivedrab4(u' x ')) == u' x')
assert (term.lstrip(term.reverse_olivedrab4(u' x ')) == u'x ')
assert (term.strip(term.reverse_on_olivedrab4) == u'')
assert (term.strip(term.reverse_on_olivedrab4(u' x ')) == u'x')
assert (term.rstrip(term.reverse_on_olivedrab4(u' x ')) == u' x')
assert (term.lstrip(term.reverse_on_olivedrab4(u' x ')) == u'x ')
assert (term.strip_seqs(term.reverse) == u'')
assert (term.strip_seqs(term.reverse(u' x ')) == u' x ')
assert (term.strip_seqs(term.reverse_red) == u'')
assert (term.strip_seqs(term.reverse_red(u' x ')) == u' x ')
assert (term.strip_seqs(term.reverse_on_red) == u'')
assert (term.strip_seqs(term.reverse_on_red(u' x ')) == u' x ')
assert (term.strip_seqs(term.reverse_olivedrab4) == u'')
assert (term.strip_seqs(term.reverse_olivedrab4(u' x ')) == u' x ')
assert (term.strip_seqs(term.reverse_on_olivedrab4) == u'')
assert (term.strip_seqs(term.reverse_on_olivedrab4(u' x ')) == u' x ')
if term.blink:
assert (term.length(term.blink) == 0)
assert (term.length(term.blink(u'x')) == 1)
assert (term.length(term.blink_red) == 0)
assert (term.length(term.blink_red(u'x')) == 1)
assert (term.length(term.blink_on_red) == 0)
assert (term.length(term.blink_on_red(u'x')) == 1)
assert (term.length(term.blink_olivedrab4) == 0)
assert (term.length(term.blink_olivedrab4(u'x')) == 1)
assert (term.length(term.blink_on_olivedrab4) == 0)
assert (term.length(term.blink_on_olivedrab4(u'x')) == 1)
assert (term.strip(term.blink) == u'')
assert (term.strip(term.blink(u' x ')) == u'x')
assert (term.strip(term.blink(u'z x q'), u'zq') == u' x ')
assert (term.strip(term.blink_red) == u'')
assert (term.strip(term.blink_red(u' x ')) == u'x')
assert (term.strip(term.blink_on_red) == u'')
assert (term.strip(term.blink_on_red(u' x ')) == u'x')
assert (term.strip(term.blink_olivedrab4) == u'')
assert (term.strip(term.blink_olivedrab4(u' x ')) == u'x')
assert (term.strip(term.blink_on_olivedrab4) == u'')
assert (term.strip(term.blink_on_olivedrab4(u' x ')) == u'x')
assert (term.strip_seqs(term.blink) == u'')
assert (term.strip_seqs(term.blink(u' x ')) == u' x ')
assert (term.strip_seqs(term.blink_red) == u'')
assert (term.strip_seqs(term.blink_red(u' x ')) == u' x ')
assert (term.strip_seqs(term.blink_on_red) == u'')
assert (term.strip_seqs(term.blink_on_red(u' x ')) == u' x ')
assert (term.strip_seqs(term.blink_olivedrab4) == u'')
assert (term.strip_seqs(term.blink_olivedrab4(u' x ')) == u' x ')
assert (term.strip_seqs(term.blink_on_olivedrab4) == u'')
assert (term.strip_seqs(term.blink_on_olivedrab4(u' x ')) == u' x ')
if term.home:
assert (term.length(term.home) == 0)
assert (term.strip(term.home) == u'')
if term.clear_eol:
assert (term.length(term.clear_eol) == 0)
assert (term.strip(term.clear_eol) == u'')
if term.enter_fullscreen:
assert (term.length(term.enter_fullscreen) == 0)
assert (term.strip(term.enter_fullscreen) == u'')
if term.exit_fullscreen:
assert (term.length(term.exit_fullscreen) == 0)
assert (term.strip(term.exit_fullscreen) == u'')
# horizontally, we decide move_down and move_up are 0,
assert (term.length(term.move_down) == 0)
assert (term.length(term.move_down(2)) == 0)
assert (term.length(term.move_up) == 0)
assert (term.length(term.move_up(2)) == 0)
# other things aren't so simple, somewhat edge cases,
# moving backwards and forwards horizontally must be
# accounted for as a "length", as <x><move right 10><y>
# will result in a printed column length of 12 (even
# though columns 2-11 are non-destructive space
assert (term.length(u'x\b') == 0)
assert (term.strip(u'x\b') == u'')
# XXX why are some terminals width of 9 here ??
assert (term.length(u'\t') in (8, 9))
assert (term.strip(u'\t') == u'')
assert (term.length(u'_' + term.move_left) == 0)
assert (term.length(term.move_right) == 1)
if term.cub:
assert (term.length((u'_' * 10) + term.cub(10)) == 0)
if term.cuf:
assert (term.length(term.cuf(10)) == 10)
# vertical spacing is unaccounted as a 'length'
assert (term.length(term.move_up) == 0)
assert (term.length(term.cuu(10)) == 0)
assert (term.length(term.move_down) == 0)
assert (term.length(term.cud(10)) == 0)
# this is how manpages perform underlining, this is done
# with the 'overstrike' capability of teletypes, and aparently
# less(1), '123' -> '1\b_2\b_3\b_'
text_wseqs = u''.join(itertools.chain(
*zip(plain_text, itertools.cycle(['\b_']))))
assert (term.length(text_wseqs) == len(plain_text))
child(all_terms)
def test_env_winsize():
"""Test height and width is appropriately queried in a pty."""
@as_subprocess
def child():
# set the pty's virtual window size
os.environ['COLUMNS'] = '99'
os.environ['LINES'] = '11'
term = TestTerminal(stream=StringIO())
save_init = term._init_descriptor
save_stdout = sys.__stdout__
try:
term._init_descriptor = None
sys.__stdout__ = None
winsize = term._height_and_width()
width = term.width
height = term.height
finally:
term._init_descriptor = save_init
sys.__stdout__ = save_stdout
assert winsize.ws_col == width == 99
assert winsize.ws_row == height == 11
child()
@pytest.mark.skipif(IS_WINDOWS, reason="requires fcntl")
def test_winsize(many_lines, many_columns):
"""Test height and width is appropriately queried in a pty."""
pixel_width, pixel_height = 1024, 768
@as_subprocess
def child(lines=25, cols=80):
# set the pty's virtual window size
val = struct.pack('HHHH', lines, cols, pixel_width, pixel_height)
# pylint: disable-next=possibly-used-before-assignment
fcntl.ioctl(sys.__stdout__.fileno(), termios.TIOCSWINSZ, val)
term = TestTerminal()
winsize = term._height_and_width()
assert term.width == cols
assert term.height == lines
assert winsize.ws_col == cols
assert winsize.ws_row == lines
assert term.pixel_width == pixel_width
assert term.pixel_height == pixel_height
child(lines=many_lines, cols=many_columns)
def test_Sequence_alignment_fixed_width(all_terms):
"""Test alignment methods with width provided"""
@as_subprocess
def child(kind):
term = TestTerminal(kind=kind)
pony_msg = 'pony express, all aboard, choo, choo!'
pony_len = len(pony_msg)
pony_colored = u''.join('%s%s' % (term.color(n % 7), ch,)
for n, ch in enumerate(pony_msg))
pony_colored += term.normal
ladjusted = term.ljust(pony_colored, 88)
radjusted = term.rjust(pony_colored, 88)
centered = term.center(pony_colored, 88)
assert (term.length(pony_colored) == pony_len)
assert (term.length(centered.strip()) == pony_len)
assert (term.length(centered) == len(pony_msg.center(88)))
assert (term.length(ladjusted.strip()) == pony_len)
assert (term.length(ladjusted) == len(pony_msg.ljust(88)))
assert (term.length(radjusted.strip()) == pony_len)
assert (term.length(radjusted) == len(pony_msg.rjust(88)))
child(kind=all_terms)
@pytest.mark.skipif(IS_WINDOWS, reason="requires fcntl")
def test_Sequence_alignment(all_terms):
"""Tests methods related to Sequence class, namely ljust, rjust, center."""
@as_subprocess
def child(kind, lines=25, cols=80):
# set the pty's virtual window size
val = struct.pack('HHHH', lines, cols, 0, 0)
fcntl.ioctl(sys.__stdout__.fileno(), termios.TIOCSWINSZ, val)
term = TestTerminal(kind=kind)
pony_msg = 'pony express, all aboard, choo, choo!'
pony_len = len(pony_msg)
pony_colored = u''.join('%s%s' % (term.color(n % 7), ch,)
for n, ch in enumerate(pony_msg))
pony_colored += term.normal
ladjusted = term.ljust(pony_colored)
radjusted = term.rjust(pony_colored)
centered = term.center(pony_colored)
assert (term.length(pony_colored) == pony_len)
assert (term.length(centered.strip()) == pony_len)
assert (term.length(centered) == len(pony_msg.center(term.width)))
assert (term.length(ladjusted.strip()) == pony_len)
assert (term.length(ladjusted) == len(pony_msg.ljust(term.width)))
assert (term.length(radjusted.strip()) == pony_len)
assert (term.length(radjusted) == len(pony_msg.rjust(term.width)))
child(kind=all_terms)
def test_hyperlink_nostyling():
"""Test length our of hyperlink URL's."""
@as_subprocess
def child():
# given,
term = TestTerminal(force_styling=None)
given_basic_url = term.link(
'https://blessed.readthedocs.org', 'blessed')
assert given_basic_url == 'blessed'
child()
def test_basic_hyperlinks():
"""Test length our of hyperlink URL's."""
@as_subprocess
def child():
# given,
term = TestTerminal()
given_basic_url = term.link(
'https://blessed.readthedocs.org', 'blessed')
# exercise,
split_parts = term.split_seqs(given_basic_url)
# verify
if term.does_styling:
assert split_parts[0] == '\x1b]8;;https://blessed.readthedocs.org\x1b\\'
assert term.length(split_parts[0]) == 0
assert ''.join(split_parts[1:8]) == 'blessed'
assert split_parts[8] == '\x1b]8;;\x1b\\'
assert len(split_parts) == 9
else:
assert ''.join(split_parts) == 'blessed'
child()
def test_hyperlink_with_id():
"""Test length our of hyperlink URL's with ID."""
@as_subprocess
def child():
# given,
term = TestTerminal()
given_advanced_urltext = term.link(
'https://blessed.readthedocs.org', 'blessed', '123')
# exercise,
split_parts = term.split_seqs(given_advanced_urltext)
# verify,
if term.does_styling:
assert split_parts[0] == '\x1b]8;id=123;https://blessed.readthedocs.org\x1b\\'
assert term.length(split_parts[0]) == 0
assert ''.join(split_parts[1:8]) == 'blessed'
assert split_parts[8] == '\x1b]8;;\x1b\\'
assert len(split_parts) == 9
else:
assert ''.join(split_parts) == 'blessed'
child()
def test_sequence_is_movement_false(all_terms):
"""Test parser about sequences that do not move the cursor."""
@as_subprocess
def child(kind):
from blessed.sequences import measure_length
term = TestTerminal(kind=kind)
assert measure_length(u'', term) == 0
# not even a mbs
assert measure_length(u'xyzzy', term) == 0
# negative numbers, though printable as %d, do not result
# in movement; just garbage. Also not a valid sequence.
assert measure_length(term.cuf(-333), term) == 0
assert (len(term.clear_eol) == measure_length(term.clear_eol, term))
# various erases don't *move*
assert (len(term.clear_bol) == measure_length(term.clear_bol, term))
assert (len(term.clear_eos) == measure_length(term.clear_eos, term))
assert (len(term.bold) == measure_length(term.bold, term))
# various paints don't move
assert (len(term.red) == measure_length(term.red, term))
assert (len(term.civis) == measure_length(term.civis, term))
if term.cvvis:
assert (len(term.cvvis) == measure_length(term.cvvis, term))
assert (len(term.underline) == measure_length(term.underline, term))
assert (len(term.reverse) == measure_length(term.reverse, term))
for _num in (0, term.number_of_colors):
expected = len(term.color(_num))
given = measure_length(term.color(_num), term)
assert (expected == given)
assert (len(term.normal_cursor) == measure_length(term.normal_cursor, term))
assert (len(term.hide_cursor) == measure_length(term.hide_cursor, term))
assert (len(term.save) == measure_length(term.save, term))
assert (len(term.italic) == measure_length(term.italic, term))
assert (len(term.standout) == measure_length(term.standout, term)
), (term.standout, term._wont_move)
child(all_terms)
def test_termcap_will_move_false(all_terms): # pylint: disable=too-complex,too-many-branches
"""Test parser about sequences that do not move the cursor."""
@as_subprocess
def child(kind): # pylint: disable=too-many-branches
from blessed.sequences import iter_parse
term = TestTerminal(kind=kind)
if term.clear_eol:
assert not next(iter_parse(term, term.clear_eol))[1].will_move
if term.clear_bol:
assert not next(iter_parse(term, term.clear_bol))[1].will_move
if term.clear_eos:
assert not next(iter_parse(term, term.clear_eos))[1].will_move
if term.bold:
assert not next(iter_parse(term, term.bold))[1].will_move
if term.red:
assert not next(iter_parse(term, term.red))[1].will_move
if term.civis:
assert not next(iter_parse(term, term.civis))[1].will_move
if term.cvvis:
assert not next(iter_parse(term, term.cvvis))[1].will_move
if term.underline:
assert not next(iter_parse(term, term.underline))[1].will_move
if term.reverse:
assert not next(iter_parse(term, term.reverse))[1].will_move
if term.color(0):
assert not next(iter_parse(term, term.color(0)))[1].will_move
if term.normal_cursor:
assert not next(iter_parse(term, term.normal_cursor))[1].will_move
if term.save:
assert not next(iter_parse(term, term.save))[1].will_move
if term.italic:
assert not next(iter_parse(term, term.italic))[1].will_move
if term.standout:
assert not next(iter_parse(term, term.standout))[1].will_move
child(all_terms)
def test_sequence_is_movement_true(all_terms):
"""Test parsers about sequences that move the cursor."""
@as_subprocess
def child(kind):
from blessed.sequences import measure_length
term = TestTerminal(kind=kind)
# movements
assert (len(term.move(98, 76)) ==
measure_length(term.move(98, 76), term))
assert (len(term.move(54)) ==
measure_length(term.move(54), term))
assert (len(term.move_xy(1, 2)) ==
measure_length(term.move(1, 2), term))
assert (len(term.move_yx(3, 4)) ==
measure_length(term.move(3, 4), term))
assert not term.cud1 or (len(term.cud1) ==
measure_length(term.cud1, term))
assert not term.cub1 or (len(term.cub1) ==
measure_length(term.cub1, term))
assert not term.cuf1 or (len(term.cuf1) ==
measure_length(term.cuf1, term))
assert not term.cuu1 or (len(term.cuu1) ==
measure_length(term.cuu1, term))
assert not term.cub or (len(term.cub(333)) ==
measure_length(term.cub(333), term))
assert not term.cuf or (len(term.cuf(333)) ==
measure_length(term.cuf(333), term))
assert not term.home or (len(term.home) ==
measure_length(term.home, term))
assert not term.restore or (len(term.restore) ==
measure_length(term.restore, term))
assert not term.clear or (len(term.clear) ==
measure_length(term.clear, term))
child(all_terms)
def test_termcap_will_move_true(all_terms):
"""Test parser about sequences that move the cursor."""
@as_subprocess
def child(kind):
from blessed.sequences import iter_parse
term = TestTerminal(kind=kind, force_styling=True)
assert next(iter_parse(term, term.move(98, 76)))[1].will_move
assert next(iter_parse(term, term.move_yx(8, 76)))[1].will_move
assert next(iter_parse(term, term.move_xy(98, 7)))[1].will_move
assert next(iter_parse(term, term.move(54)))[1].will_move
assert next(iter_parse(term, term.cud1))[1].will_move
assert next(iter_parse(term, term.cub1))[1].will_move
assert next(iter_parse(term, term.cuf1))[1].will_move
assert next(iter_parse(term, term.cuu1))[1].will_move
if term.cub(333):
assert next(iter_parse(term, term.cub(333)))[1].will_move
if term.cuf(333):
assert next(iter_parse(term, term.cuf(333)))[1].will_move
assert next(iter_parse(term, term.home))[1].will_move
assert next(iter_parse(term, term.restore))[1].will_move
assert next(iter_parse(term, term.clear))[1].will_move
child(all_terms)
def test_foreign_sequences():
"""Test parsers about sequences received from foreign sources."""
@as_subprocess
def child(kind):
from blessed.sequences import measure_length
term = TestTerminal(kind=kind)
assert measure_length(u'\x1b[m', term) == len('\x1b[m')
child(kind='ansi')
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