kitty/kitty_tests/screen.py

1078 lines
36 KiB
Python

#!/usr/bin/env python3
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
from kitty.fast_data_types import (
DECAWM, DECCOLM, DECOM, IRM, Cursor, parse_bytes
)
from kitty.marks import marker_from_function, marker_from_regex
from . import BaseTest
class TestScreen(BaseTest):
def test_draw_fast(self):
s = self.create_screen()
# Test in line-wrap, non-insert mode
s.draw('a' * 5)
self.ae(str(s.line(0)), 'a' * 5)
self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
s.draw('b' * 7)
self.assertTrue(s.linebuf.is_continued(1))
self.assertTrue(s.linebuf.is_continued(2))
self.ae(str(s.line(0)), 'a' * 5)
self.ae(str(s.line(1)), 'b' * 5)
self.ae(str(s.line(2)), 'b' * 2)
self.ae(s.cursor.x, 2), self.ae(s.cursor.y, 2)
s.draw('c' * 15)
self.ae(str(s.line(0)), 'b' * 5)
self.ae(str(s.line(1)), 'bbccc')
# Now test without line-wrap
s.reset(), s.reset_dirty()
s.reset_mode(DECAWM)
s.draw('0123456789')
self.ae(str(s.line(0)), '01239')
self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
s.draw('ab')
self.ae(str(s.line(0)), '0123b')
self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
# Now test in insert mode
s.reset(), s.reset_dirty()
s.set_mode(IRM)
s.draw('12345' * 5)
s.cursor_back(5)
self.ae(s.cursor.x, 0), self.ae(s.cursor.y, 4)
s.reset_dirty()
s.draw('ab')
self.ae(str(s.line(4)), 'ab123')
self.ae((s.cursor.x, s.cursor.y), (2, 4))
def test_draw_char(self):
# Test in line-wrap, non-insert mode
s = self.create_screen()
s.draw('ココx')
self.ae(str(s.line(0)), 'ココx')
self.ae(tuple(map(s.line(0).width, range(5))), (2, 0, 2, 0, 1))
self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
s.draw('ニチハ')
self.ae(str(s.line(0)), 'ココx')
self.ae(str(s.line(1)), 'ニチ')
self.ae(str(s.line(2)), '')
self.ae(s.cursor.x, 2), self.ae(s.cursor.y, 2)
s.draw('Ƶ̧\u0308')
self.ae(str(s.line(2)), 'ハƵ̧\u0308')
self.ae(s.cursor.x, 3), self.ae(s.cursor.y, 2)
s.draw('xy'), s.draw('\u0306')
self.ae(str(s.line(2)), 'ハƵ̧\u0308xy\u0306')
self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 2)
s.draw('c' * 15)
self.ae(str(s.line(0)), 'ニチ')
# Now test without line-wrap
s.reset(), s.reset_dirty()
s.reset_mode(DECAWM)
s.draw('0\u030612345\u03066789\u0306')
self.ae(str(s.line(0)), '0\u03061239\u0306')
self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
s.draw('ab\u0306')
self.ae(str(s.line(0)), '0\u0306123b\u0306')
self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
# Now test in insert mode
s.reset(), s.reset_dirty()
s.set_mode(IRM)
s.draw('1\u03062345' * 5)
s.cursor_back(5)
self.ae(s.cursor.x, 0), self.ae(s.cursor.y, 4)
s.reset_dirty()
s.draw('a\u0306b')
self.ae(str(s.line(4)), 'a\u0306b1\u030623')
self.ae((s.cursor.x, s.cursor.y), (2, 4))
def test_rep(self):
s = self.create_screen()
s.draw('a')
parse_bytes(s, b'\x1b[b')
self.ae(str(s.line(0)), 'aa')
parse_bytes(s, b'\x1b[3b')
self.ae(str(s.line(0)), 'a'*5)
s.draw(' ')
parse_bytes(s, b'\x1b[3b')
self.ae(str(s.line(1)), ' '*4)
def test_emoji_skin_tone_modifiers(self):
s = self.create_screen()
q = chr(0x1f469) + chr(0x1f3fd)
s.draw(q)
self.ae(str(s.line(0)), q)
self.ae(s.cursor.x, 2)
def test_regional_indicators(self):
s = self.create_screen()
flag = '\U0001f1ee\U0001f1f3'
s.draw(flag)
self.ae(str(s.line(0)), flag)
self.ae(s.cursor.x, 2)
s = self.create_screen()
s.draw('a'), s.draw(flag[0]), s.draw('b')
self.ae(str(s.line(0)), 'a' + flag[0] + 'b')
self.ae(s.cursor.x, 4)
def test_zwj(self):
s = self.create_screen(cols=20)
q = '\U0001f468\u200d\U0001f469\u200d\U0001f467\u200d\U0001f466'
s.draw(q)
self.ae(q, str(s.line(0)))
self.ae(s.cursor.x, 8)
for x in '\u200b\u200c\u200d':
s = self.create_screen()
q = f'X{x}Y'
s.draw(q)
self.ae(q, str(s.line(0)))
self.ae(s.cursor.x, 2)
def test_char_manipulation(self):
s = self.create_screen()
def init():
s.reset(), s.reset_dirty()
s.draw('abcde')
s.cursor.bold = True
s.cursor_back(4)
s.reset_dirty()
self.ae(s.cursor.x, 1)
init()
s.insert_characters(2)
self.ae(str(s.line(0)), 'a bc')
self.assertTrue(s.line(0).cursor_from(1).bold)
s.cursor_back(1)
s.insert_characters(20)
self.ae(str(s.line(0)), '')
s.draw('xココ')
s.cursor_back(5)
s.reset_dirty()
s.insert_characters(1)
self.ae(str(s.line(0)), ' xコ')
c = Cursor()
c.italic = True
s.line(0).apply_cursor(c, 0, 5)
self.ae(s.line(0).width(2), 2)
self.assertTrue(s.line(0).cursor_from(2).italic)
self.assertFalse(s.line(0).cursor_from(2).bold)
init()
s.delete_characters(2)
self.ae(str(s.line(0)), 'ade')
self.assertTrue(s.line(0).cursor_from(4).bold)
self.assertFalse(s.line(0).cursor_from(2).bold)
s = self.create_screen()
s.set_margins(1, 2)
s.cursor.y = 3
s.draw('abcde')
s.cursor.x = 0
s.delete_characters(2)
self.ae('cde', str(s.line(s.cursor.y)))
init()
s.erase_characters(2)
self.ae(str(s.line(0)), 'a de')
self.assertTrue(s.line(0).cursor_from(1).bold)
self.assertFalse(s.line(0).cursor_from(4).bold)
s.erase_characters(20)
self.ae(str(s.line(0)), 'a')
init()
s.erase_in_line()
self.ae(str(s.line(0)), 'a')
self.assertTrue(s.line(0).cursor_from(1).bold)
self.assertFalse(s.line(0).cursor_from(0).bold)
init()
s.erase_in_line(1)
self.ae(str(s.line(0)), ' cde')
init()
s.erase_in_line(2)
self.ae(str(s.line(0)), '')
init()
s.erase_in_line(2, True)
self.ae((False, False, False, False, False), tuple(map(lambda i: s.line(0).cursor_from(i).bold, range(5))))
def test_erase_in_screen(self):
s = self.create_screen()
def init():
s.reset()
s.draw('12345' * 5)
s.reset_dirty()
s.cursor.x, s.cursor.y = 2, 1
s.cursor.bold = True
def all_lines(s):
return tuple(str(s.line(i)) for i in range(s.lines))
def continuations(s):
return tuple(s.line(i).is_continued() for i in range(s.lines))
init()
s.erase_in_display(0)
self.ae(all_lines(s), ('12345', '12', '', '', ''))
self.ae(continuations(s), (False, True, False, False, False))
init()
s.erase_in_display(1)
self.ae(all_lines(s), ('', ' 45', '12345', '12345', '12345'))
self.ae(continuations(s), (False, False, True, True, True))
init()
s.erase_in_display(2)
self.ae(all_lines(s), ('', '', '', '', ''))
self.assertTrue(s.line(0).cursor_from(1).bold)
self.ae(continuations(s), (False, False, False, False, False))
init()
s.erase_in_display(2, True)
self.ae(all_lines(s), ('', '', '', '', ''))
self.ae(continuations(s), (False, False, False, False, False))
self.assertFalse(s.line(0).cursor_from(1).bold)
def test_cursor_movement(self):
s = self.create_screen()
s.draw('12345' * 5)
s.reset_dirty()
s.cursor_up(2)
self.ae((s.cursor.x, s.cursor.y), (4, 2))
s.cursor_up1()
self.ae((s.cursor.x, s.cursor.y), (0, 1))
s.cursor_forward(3)
self.ae((s.cursor.x, s.cursor.y), (3, 1))
s.cursor_back()
self.ae((s.cursor.x, s.cursor.y), (2, 1))
s.cursor_down()
self.ae((s.cursor.x, s.cursor.y), (2, 2))
s.cursor_down1(5)
self.ae((s.cursor.x, s.cursor.y), (0, 4))
s = self.create_screen()
s.draw('12345' * 5)
s.index()
self.ae(str(s.line(4)), '')
for i in range(4):
self.ae(str(s.line(i)), '12345')
s.draw('12345' * 5)
s.cursor_up(5)
s.reverse_index()
self.ae(str(s.line(0)), '')
for i in range(1, 5):
self.ae(str(s.line(i)), '12345')
def test_backspace_wide_characters(self):
s = self.create_screen()
s.draw('')
self.ae(s.cursor.x, 2)
s.backspace()
s.draw(' ')
s.backspace()
self.ae(s.cursor.x, 1)
def test_resize(self):
s = self.create_screen(scrollback=6)
s.draw(''.join([str(i) * s.columns for i in range(s.lines)]))
s.resize(3, 10)
self.ae(str(s.line(0)), '0'*5 + '1'*5)
self.ae(str(s.line(1)), '2'*5 + '3'*5)
self.ae(str(s.line(2)), '4'*5)
s.resize(5, 1)
self.ae(str(s.line(0)), '4')
self.ae(str(s.historybuf), '3\n3\n3\n3\n3\n2')
s = self.create_screen(scrollback=20)
s.draw(''.join(str(i) * s.columns for i in range(s.lines*2)))
self.ae(str(s.linebuf), '55555\n66666\n77777\n88888\n99999')
s.resize(5, 2)
self.ae(str(s.linebuf), '88\n88\n99\n99\n9')
def test_cursor_after_resize(self):
def draw(text, end_line=True):
s.draw(text)
if end_line:
s.linefeed(), s.carriage_return()
s = self.create_screen()
draw('123'), draw('123')
y_before = s.cursor.y
s.resize(s.lines, s.columns-1)
self.ae(y_before, s.cursor.y)
s = self.create_screen(cols=5, lines=8)
draw('one')
draw('two three four five |||', end_line=False)
s.resize(s.lines + 2, s.columns + 2)
y = s.cursor.y
self.assertIn('|', str(s.line(y)))
s = self.create_screen()
draw('a')
x_before = s.cursor.x
s.resize(s.lines - 1, s.columns)
self.ae(x_before, s.cursor.x)
def test_scrollback_fill_after_resize(self):
def prepare_screen(content=()):
ans = self.create_screen(options={'scrollback_fill_enlarged_window': True})
for line in content:
ans.draw(line)
ans.linefeed()
ans.carriage_return()
return ans
def assert_lines(*lines):
return self.ae(lines, tuple(str(s.line(i)) for i in range(s.lines)))
# test the reverse scroll function
s = prepare_screen(map(str, range(6)))
assert_lines('2', '3', '4', '5', '')
s.reverse_scroll(2, True)
assert_lines('0', '1', '2', '3', '4')
# Height increased, width unchanged → pull down lines to fill new space at the top
s = prepare_screen(map(str, range(6)))
assert_lines('2', '3', '4', '5', '')
dist_from_bottom = s.lines - s.cursor.y
s.resize(7, s.columns)
assert_lines('0', '1', '2', '3', '4', '5', '')
self.ae(dist_from_bottom, s.lines - s.cursor.y)
# Height increased, width increased → rewrap, pull down
s = prepare_screen(['0', '1', '2', '3' * 15])
assert_lines('2', '33333', '33333', '33333', '')
s.resize(7, 12)
assert_lines('0', '1', '2', '333333333333', '333', '', '')
# Height increased, width decreased → rewrap, pull down if possible
s = prepare_screen(['0', '1', '2', '3' * 5])
assert_lines('0', '1', '2', '33333', '')
s.resize(6, 4)
assert_lines('0', '1', '2', '3333', '3', '')
# Height unchanged, width increased → rewrap, pull down if possible
s = prepare_screen(['0', '1', '2', '3' * 15])
assert_lines('2', '33333', '33333', '33333', '')
s.resize(s.lines, 12)
assert_lines('1', '2', '333333333333', '333', '')
# Height decreased, width increased → rewrap, pull down if possible
s = prepare_screen(['0', '1', '2', '3' * 15])
assert_lines('2', '33333', '33333', '33333', '')
s.resize(4, 12)
assert_lines('2', '333333333333', '333', '')
# Height increased with large continued text
s = self.create_screen(options={'scrollback_fill_enlarged_window': True})
s.draw(('x' * (s.columns * s.lines * 2)) + 'abcde')
s.carriage_return(), s.linefeed()
s.draw('>')
assert_lines('xxxxx', 'xxxxx', 'xxxxx', 'abcde', '>')
s.resize(s.lines + 2, s.columns)
assert_lines('xxxxx', 'xxxxx', 'xxxxx', 'xxxxx', 'xxxxx', 'abcde', '>')
def test_tab_stops(self):
# Taken from vttest/main.c
s = self.create_screen(cols=80, lines=2)
s.cursor_position(1, 1)
s.clear_tab_stop(3)
for col in range(1, s.columns - 1, 3):
s.cursor_forward(3)
s.set_tab_stop()
s.cursor_position(1, 4)
for col in range(4, s.columns - 1, 6):
s.clear_tab_stop(0)
s.cursor_forward(6)
s.cursor_position(1, 7)
s.clear_tab_stop(2)
s.cursor_position(1, 1)
for col in range(1, s.columns - 1, 6):
s.tab()
s.draw('*')
s.cursor_position(2, 2)
self.ae(str(s.line(0)), '\t*'*13)
def test_margins(self):
# Taken from vttest/main.c
s = self.create_screen(cols=80, lines=24)
def nl():
s.carriage_return(), s.linefeed()
for deccolm in (False, True):
if deccolm:
s.resize(24, 132)
s.set_mode(DECCOLM)
else:
s.reset_mode(DECCOLM)
region = s.lines - 6
s.set_margins(3, region + 3)
s.set_mode(DECOM)
for i in range(26):
ch = chr(ord('A') + i)
which = i % 4
if which == 0:
s.cursor_position(region + 1, 1), s.draw(ch)
s.cursor_position(region + 1, s.columns), s.draw(ch.lower())
nl()
elif which == 1:
# Simple wrapping
s.cursor_position(region, s.columns), s.draw(chr(ord('A') + i - 1).lower() + ch)
# Backspace at right margin
s.cursor_position(region + 1, s.columns), s.draw(ch), s.backspace(), s.draw(ch.lower())
nl()
elif which == 2:
# Tab to right margin
s.cursor_position(region + 1, s.columns), s.draw(ch), s.backspace(), s.backspace(), s.tab(), s.tab(), s.draw(ch.lower())
s.cursor_position(region + 1, 2), s.backspace(), s.draw(ch), nl()
else:
s.cursor_position(region + 1, 1), nl()
s.cursor_position(region, 1), s.draw(ch)
s.cursor_position(region, s.columns), s.draw(ch.lower())
for ln in range(2, region + 2):
c = chr(ord('I') + ln - 2)
before = '\t' if ln % 4 == 0 else ' '
self.ae(c + ' ' * (s.columns - 3) + before + c.lower(), str(s.line(ln)))
s.reset_mode(DECOM)
# Test that moving cursor outside the margins works as expected
s = self.create_screen(10, 10)
s.set_margins(4, 6)
s.cursor_position(0, 0)
self.ae(s.cursor.y, 0)
nl()
self.ae(s.cursor.y, 1)
s.cursor.y = s.lines - 1
self.ae(s.cursor.y, 9)
s.reverse_index()
self.ae(s.cursor.y, 8)
def test_sgr(self):
s = self.create_screen()
s.select_graphic_rendition(0, 1, 37, 42)
s.draw('a')
c = s.line(0).cursor_from(0)
self.assertTrue(c.bold)
self.ae(c.bg, (2 << 8) | 1)
s.cursor_position(2, 1)
s.select_graphic_rendition(0, 35)
s.draw('b')
c = s.line(1).cursor_from(0)
self.ae(c.fg, (5 << 8) | 1)
self.ae(c.bg, 0)
s.cursor_position(2, 2)
s.select_graphic_rendition(38, 2, 99, 1, 2, 3)
s.draw('c')
c = s.line(1).cursor_from(1)
self.ae(c.fg, (1 << 24) | (2 << 16) | (3 << 8) | 2)
def test_cursor_hidden(self):
s = self.create_screen()
s.toggle_alt_screen()
s.cursor_visible = False
s.toggle_alt_screen()
self.assertFalse(s.cursor_visible)
def test_dirty_lines(self):
s = self.create_screen()
self.assertFalse(s.linebuf.dirty_lines())
s.draw('a' * (s.columns * 2))
self.ae(s.linebuf.dirty_lines(), [0, 1])
self.assertFalse(s.historybuf.dirty_lines())
while not s.historybuf.count:
s.draw('a' * (s.columns * 2))
self.ae(s.historybuf.dirty_lines(), list(range(s.historybuf.count)))
self.ae(s.linebuf.dirty_lines(), list(range(s.lines)))
s.cursor.x, s.cursor.y = 0, 1
s.insert_lines(2)
self.ae(s.linebuf.dirty_lines(), [0, 3, 4])
s.draw('a' * (s.columns * s.lines))
self.ae(s.linebuf.dirty_lines(), list(range(s.lines)))
s.cursor.x, s.cursor.y = 0, 1
s.delete_lines(2)
self.ae(s.linebuf.dirty_lines(), [0, 1, 2])
s = self.create_screen()
self.assertFalse(s.linebuf.dirty_lines())
s.erase_in_line(0, False)
self.ae(s.linebuf.dirty_lines(), [0])
s.index(), s.index()
s.erase_in_display(0, False)
self.ae(s.linebuf.dirty_lines(), [0, 2, 3, 4])
s = self.create_screen()
self.assertFalse(s.linebuf.dirty_lines())
s.insert_characters(2)
self.ae(s.linebuf.dirty_lines(), [0])
s.cursor.y = 1
s.delete_characters(2)
self.ae(s.linebuf.dirty_lines(), [0, 1])
s.cursor.y = 2
s.erase_characters(2)
self.ae(s.linebuf.dirty_lines(), [0, 1, 2])
def test_selection_as_text(self):
s = self.create_screen()
for i in range(2 * s.lines):
if i != 0:
s.carriage_return(), s.linefeed()
s.draw(str(i) * s.columns)
s.start_selection(0, 0)
s.update_selection(4, 4)
expected = ('55555', '\n66666', '\n77777', '\n88888', '\n99999')
self.ae(s.text_for_selection(), expected)
s.scroll(2, True)
self.ae(s.text_for_selection(), expected)
s.reset()
s.draw('ab cd')
s.start_selection(0, 0)
s.update_selection(1, 3)
self.ae(s.text_for_selection(), ('ab ', 'cd'))
self.ae(s.text_for_selection(False, True), ('ab', 'cd'))
s.reset()
s.draw('ab cd')
s.start_selection(0, 0)
s.update_selection(3, 4)
self.ae(s.text_for_selection(), ('ab ', ' ', 'cd'))
self.ae(s.text_for_selection(False, True), ('ab', '\n', 'cd'))
s.reset()
s.draw('a')
s.select_graphic_rendition(32)
s.draw('b')
s.select_graphic_rendition(39)
s.draw('c xy')
s.start_selection(0, 0)
s.update_selection(1, 3)
self.ae(s.text_for_selection(), ('abc ', 'xy'))
self.ae(s.text_for_selection(True), ('a\x1b[32mb\x1b[39mc ', 'xy', '\x1b[m'))
self.ae(s.text_for_selection(True, True), ('a\x1b[32mb\x1b[39mc', 'xy', '\x1b[m'))
def test_soft_hyphen(self):
s = self.create_screen()
s.draw('a\u00adb')
self.ae(s.cursor.x, 2)
s.start_selection(0, 0)
s.update_selection(2, 0)
self.ae(s.text_for_selection(), ('a\u00adb',))
def test_variation_selectors(self):
s = self.create_screen()
s.draw('\U0001f610')
self.ae(s.cursor.x, 2)
s.carriage_return(), s.linefeed()
s.draw('\U0001f610\ufe0e')
self.ae(s.cursor.x, 1)
s.carriage_return(), s.linefeed()
s.draw('\u25b6')
self.ae(s.cursor.x, 1)
s.carriage_return(), s.linefeed()
s.draw('\u25b6\ufe0f')
self.ae(s.cursor.x, 2)
def test_serialize(self):
from kitty.window import as_text
s = self.create_screen()
s.draw('ab' * s.columns)
s.carriage_return(), s.linefeed()
s.draw('c')
self.ae(as_text(s), 'ababababab\nc\n\n')
self.ae(as_text(s, True), '\x1b[mababa\x1b[mbabab\n\x1b[mc\n\n')
s = self.create_screen(cols=2, lines=2, scrollback=2)
for i in range(1, 7):
s.select_graphic_rendition(30 + i)
s.draw(f'{i}' * s.columns)
self.ae(as_text(s, True, True), '\x1b[m\x1b[31m11\x1b[m\x1b[32m22\x1b[m\x1b[33m33\x1b[m\x1b[34m44\x1b[m\x1b[m\x1b[35m55\x1b[m\x1b[36m66')
def set_link(url=None, id=None):
parse_bytes(s, '\x1b]8;id={};{}\x1b\\'.format(id or '', url or '').encode('utf-8'))
s = self.create_screen()
s.draw('a')
set_link('moo', 'foo')
s.draw('bcdef')
self.ae(as_text(s, True), '\x1b[ma\x1b]8;id=foo;moo\x1b\\bcde\x1b[mf\n\n\n\x1b]8;;\x1b\\')
set_link()
s.draw('gh')
self.ae(as_text(s, True), '\x1b[ma\x1b]8;id=foo;moo\x1b\\bcde\x1b[mf\x1b]8;;\x1b\\gh\n\n\n')
s = self.create_screen()
s.draw('a')
set_link('moo')
s.draw('bcdef')
self.ae(as_text(s, True), '\x1b[ma\x1b]8;;moo\x1b\\bcde\x1b[mf\n\n\n\x1b]8;;\x1b\\')
def test_pagerhist(self):
hsz = 8
s = self.create_screen(cols=2, lines=2, scrollback=2, options={'scrollback_pager_history_size': hsz})
def contents():
return s.historybuf.pagerhist_as_text()
def line(i):
q.append('\x1b[m' + f'{i}' * s.columns + '\r')
def w(x):
s.historybuf.pagerhist_write(x)
def test():
expected = ''.join(q)
maxlen = hsz
extra = len(expected) - maxlen
if extra > 0:
expected = expected[extra:]
got = contents()
self.ae(got, expected)
q = []
for i in range(4):
s.draw(f'{i}' * s.columns)
self.ae(contents(), '')
s.draw('4' * s.columns), line(0), test()
s.draw('5' * s.columns), line(1), test()
s.draw('6' * s.columns), line(2), test()
s.draw('7' * s.columns), line(3), test()
s.draw('8' * s.columns), line(4), test()
s.draw('9' * s.columns), line(5), test()
s = self.create_screen(options={'scrollback_pager_history_size': 2048})
text = '\x1b[msoft\r\x1b[mbreak\nnext😼cat'
w(text)
self.ae(contents(), text + '\n')
s.historybuf.pagerhist_rewrap(2)
self.ae(contents(), '\x1b[mso\rft\x1b[m\rbr\rea\rk\nne\rxt\r😼\rca\rt\n')
s = self.create_screen(options={'scrollback_pager_history_size': 8})
w('😼')
self.ae(contents(), '😼\n')
w('abcd')
self.ae(contents(), '😼abcd\n')
w('e')
self.ae(contents(), 'abcde\n')
def test_user_marking(self):
def cells(*a, y=0, mark=3):
return [(x, y, mark) for x in a]
s = self.create_screen()
s.draw('abaa')
s.carriage_return(), s.linefeed()
s.draw('xyxyx')
s.set_marker(marker_from_regex('a', 3))
self.ae(s.marked_cells(), cells(0, 2, 3))
s.set_marker()
self.ae(s.marked_cells(), [])
def mark_x(text):
col = 0
for i, c in enumerate(text):
if c == 'x':
col += 1
yield i, i, col
s.set_marker(marker_from_function(mark_x))
self.ae(s.marked_cells(), [(0, 1, 1), (2, 1, 2), (4, 1, 3)])
s = self.create_screen(lines=5, scrollback=10)
for i in range(15):
s.draw(str(i))
if i != 14:
s.carriage_return(), s.linefeed()
s.set_marker(marker_from_regex(r'\d+', 3))
for i in range(10):
self.assertTrue(s.scroll_to_next_mark())
self.ae(s.scrolled_by, i + 1)
self.ae(s.scrolled_by, 10)
for i in range(10):
self.assertTrue(s.scroll_to_next_mark(0, False))
self.ae(s.scrolled_by, 10 - i - 1)
self.ae(s.scrolled_by, 0)
s = self.create_screen()
s.draw('🐈ab')
s.set_marker(marker_from_regex('🐈', 3))
self.ae(s.marked_cells(), cells(0, 1))
s.set_marker(marker_from_regex('🐈a', 3))
self.ae(s.marked_cells(), cells(0, 1, 2))
s.set_marker(marker_from_regex('a', 3))
self.ae(s.marked_cells(), cells(2))
s = self.create_screen(cols=20)
s.tab()
s.draw('ab')
s.set_marker(marker_from_regex('a', 3))
self.ae(s.marked_cells(), cells(8))
s.set_marker(marker_from_regex('\t', 3))
self.ae(s.marked_cells(), cells(*range(8)))
s = self.create_screen()
s.cursor.x = 2
s.draw('x')
s.cursor.x += 1
s.draw('x')
s.set_marker(marker_from_function(mark_x))
self.ae(s.marked_cells(), [(2, 0, 1), (4, 0, 2)])
def test_hyperlinks(self):
s = self.create_screen()
self.ae(s.line(0).hyperlink_ids(), tuple(0 for x in range(s.columns)))
def set_link(url=None, id=None):
parse_bytes(s, '\x1b]8;id={};{}\x1b\\'.format(id or '', url or '').encode('utf-8'))
set_link('url-a', 'a')
self.ae(s.line(0).hyperlink_ids(), tuple(0 for x in range(s.columns)))
s.draw('a')
self.ae(s.line(0).hyperlink_ids(), (1,) + tuple(0 for x in range(s.columns - 1)))
s.draw('bc')
self.ae(s.line(0).hyperlink_ids(), (1, 1, 1, 0, 0))
set_link()
s.draw('d')
self.ae(s.line(0).hyperlink_ids(), (1, 1, 1, 0, 0))
set_link('url-a', 'a')
s.draw('efg')
self.ae(s.line(0).hyperlink_ids(), (1, 1, 1, 0, 1))
self.ae(s.line(1).hyperlink_ids(), (1, 1, 0, 0, 0))
set_link('url-b')
s.draw('hij')
self.ae(s.line(1).hyperlink_ids(), (1, 1, 2, 2, 2))
set_link()
self.ae([('a:url-a', 1), (':url-b', 2)], s.hyperlinks_as_list())
s.garbage_collect_hyperlink_pool()
self.ae([('a:url-a', 1), (':url-b', 2)], s.hyperlinks_as_list())
for i in range(s.lines + 2):
s.linefeed()
s.garbage_collect_hyperlink_pool()
self.ae([('a:url-a', 1), (':url-b', 2)], s.hyperlinks_as_list())
for i in range(s.lines * 2):
s.linefeed()
s.garbage_collect_hyperlink_pool()
self.assertFalse(s.hyperlinks_as_list())
set_link('url-a', 'x')
s.draw('a')
set_link('url-a', 'y')
s.draw('a')
set_link()
self.ae([('x:url-a', 1), ('y:url-a', 2)], s.hyperlinks_as_list())
s = self.create_screen()
set_link('u' * 2048)
s.draw('a')
self.ae([(':' + 'u' * 2045, 1)], s.hyperlinks_as_list())
s = self.create_screen()
set_link('u' * 2048, 'i' * 300)
s.draw('a')
self.ae([('i'*256 + ':' + 'u' * (2045 - 256), 1)], s.hyperlinks_as_list())
s = self.create_screen()
set_link('1'), s.draw('1')
set_link('2'), s.draw('2')
set_link('3'), s.draw('3')
s.cursor.x = 1
set_link(), s.draw('X')
self.ae(s.line(0).hyperlink_ids(), (1, 0, 3, 0, 0))
self.ae([(':1', 1), (':2', 2), (':3', 3)], s.hyperlinks_as_list())
s.garbage_collect_hyperlink_pool()
self.ae([(':1', 1), (':3', 2)], s.hyperlinks_as_list())
set_link('3'), s.draw('3')
self.ae([(':1', 1), (':3', 2)], s.hyperlinks_as_list())
set_link('4'), s.draw('4')
self.ae([(':1', 1), (':3', 2), (':4', 3)], s.hyperlinks_as_list())
s = self.create_screen()
set_link('1'), s.draw('1')
set_link('2'), s.draw('2')
set_link('1'), s.draw('1')
self.ae([(':2', 2), (':1', 1)], s.hyperlinks_as_list())
s = self.create_screen()
set_link('1'), s.draw('12'), set_link(), s.draw('X'), set_link('1'), s.draw('3')
s.linefeed(), s.carriage_return()
s.draw('abc')
s.linefeed(), s.carriage_return()
set_link(), s.draw('Z ')
set_link('1'), s.draw('xyz')
s.linefeed(), s.carriage_return()
set_link('2'), s.draw('Z Z')
self.assertIsNone(s.current_url_text())
self.assertIsNone(s.hyperlink_at(0, 4))
self.assertIsNone(s.current_url_text())
self.ae(s.hyperlink_at(0, 0), '1')
self.ae(s.current_url_text(), '123abcxyz')
self.ae('1', s.hyperlink_at(3, 2))
self.ae(s.current_url_text(), '123abcxyz')
self.ae('2', s.hyperlink_at(1, 3))
self.ae(s.current_url_text(), 'Z Z')
def test_bottom_margin(self):
s = self.create_screen(cols=80, lines=6, scrollback=4)
s.set_margins(0, 5)
for i in range(8):
s.draw(str(i))
s.linefeed()
s.carriage_return()
self.ae(str(s.linebuf), '4\n5\n6\n7\n\n')
self.ae(str(s.historybuf), '3\n2\n1\n0')
def test_top_margin(self):
s = self.create_screen(cols=80, lines=6, scrollback=4)
s.set_margins(2, 6)
for i in range(8):
s.draw(str(i))
s.linefeed()
s.carriage_return()
self.ae(str(s.linebuf), '0\n4\n5\n6\n7\n')
self.ae(str(s.historybuf), '')
def test_top_and_bottom_margin(self):
s = self.create_screen(cols=80, lines=6, scrollback=4)
s.set_margins(2, 5)
for i in range(8):
s.draw(str(i))
s.linefeed()
s.carriage_return()
self.ae(str(s.linebuf), '0\n5\n6\n7\n\n')
self.ae(str(s.historybuf), '')
def test_osc_52(self):
s = self.create_screen()
c = s.callbacks
def send(what: str):
return parse_bytes(s, f'\033]52;p;{what}\a'.encode('ascii'))
def t(q, use_pending_mode, *expected):
c.clear()
if use_pending_mode:
parse_bytes(s, b'\033[?2026h')
send(q)
if use_pending_mode:
self.ae(c.cc_buf, [])
parse_bytes(s, b'\033[?2026l')
self.ae(c.cc_buf, list(expected))
for use_pending_mode in (False, True):
t('XYZ', use_pending_mode, ('p;XYZ', False))
t('a' * 8192, use_pending_mode, ('p;' + 'a' * (8192 - 6), True), (';' + 'a' * 6, False))
t('', use_pending_mode, ('p;', False))
t('!', use_pending_mode, ('p;!', False))
def test_key_encoding_flags_stack(self):
s = self.create_screen()
c = s.callbacks
def w(code, p1='', p2=''):
p = f'{p1}'
if p2:
p += f';{p2}'
return parse_bytes(s, f'\033[{code}{p}u'.encode('ascii'))
def ac(flags):
parse_bytes(s, b'\033[?u')
self.ae(c.wtcbuf, f'\033[?{flags}u'.encode('ascii'))
c.clear()
ac(0)
w('=', 0b1001)
ac(0b1001)
w('=', 0b0011, 2)
ac(0b1011)
w('=', 0b0110, 3)
ac(0b1001)
s.reset()
ac(0)
w('>', 0b0011)
ac(0b0011)
w('=', 0b1111)
ac(0b1111)
w('>', 0b10)
ac(0b10)
w('<')
ac(0b1111)
for i in range(10):
w('<')
ac(0)
s.reset()
for i in range(1, 16):
w('>', i)
ac(15)
w('<'), ac(14), w('<'), ac(13)
def test_color_stack(self):
s = self.create_screen()
c = s.callbacks
def w(code):
return parse_bytes(s, ('\033[' + code).encode('ascii'))
def ac(idx, count):
self.ae(c.wtcbuf, f'\033[{idx};{count}#Q'.encode('ascii'))
c.clear()
w('#R')
ac(0, 0)
w('#P')
w('#R')
ac(0, 1)
w('#10P')
w('#R')
ac(0, 1)
w('#Q')
w('#R')
ac(0, 0)
for i in range(20):
w('#P')
w('#R')
ac(9, 10)
def test_detect_url(self):
s = self.create_screen(cols=30)
def ae(expected, x=3, y=0):
s.detect_url(x, y)
url = ''.join(s.text_for_marked_url())
self.assertEqual(expected, url)
def t(url, x=0, y=0, before='', after=''):
s.reset()
s.cursor.x = x
s.cursor.y = y
s.draw(before + url + after)
ae(url, x=x + 1 + len(before), y=y)
t('http://moo.com')
t('http://moo.com/something?else=+&what-')
for (st, e) in '() {} [] <>'.split():
t('http://moo.com', before=st, after=e)
for trailer in ')-=]}':
t('http://moo.com' + trailer)
for trailer in '{([':
t('http://moo.com', after=trailer)
t('http://moo.com', x=s.columns - 9)
def test_prompt_marking(self):
s = self.create_screen()
def mark_prompt():
parse_bytes(s, b'\033]133;A\007')
def mark_output():
parse_bytes(s, b'\033]133;C\007')
for i in range(4):
mark_prompt()
s.draw(f'$ {i}')
s.carriage_return()
s.index(), s.index()
self.ae(s.scrolled_by, 0)
self.assertTrue(s.scroll_to_prompt())
self.ae(str(s.visual_line(0)), '$ 1')
self.assertTrue(s.scroll_to_prompt())
self.ae(str(s.visual_line(0)), '$ 0')
self.assertFalse(s.scroll_to_prompt())
self.assertTrue(s.scroll_to_prompt(1))
self.ae(str(s.visual_line(0)), '$ 1')
self.assertTrue(s.scroll_to_prompt(1))
self.ae(str(s.visual_line(0)), '$ 2')
self.assertFalse(s.scroll_to_prompt(1))
s = self.create_screen()
mark_prompt(), s.draw('$ 0')
s.carriage_return(), s.index()
mark_prompt(), s.draw('$ 1')
for i in range(s.lines):
s.carriage_return(), s.index()
s.draw(str(i))
self.assertTrue(s.scroll_to_prompt())
self.ae(str(s.visual_line(0)), '$ 1')
def lco():
a = []
s.cmd_output(0, a.append)
return ''.join(a)
def fco():
a = []
s.cmd_output(1, a.append)
return ''.join(a)
def lvco():
a = []
s.cmd_output(2, a.append)
return ''.join(a)
s = self.create_screen()
s.draw('abcd'), s.index(), s.carriage_return()
s.draw('12'), s.index(), s.carriage_return()
self.ae(fco(), '')
self.ae(lco(), 'abcd\n12')
s = self.create_screen()
mark_prompt(), s.draw('$ 0')
s.carriage_return(), s.index()
mark_output()
s.draw('abcd'), s.index(), s.carriage_return()
s.draw('12'), s.index(), s.carriage_return()
mark_prompt(), s.draw('$ 1')
self.ae(fco(), 'abcd\n12')
self.ae(lco(), 'abcd\n12')
def draw_prompt(x):
mark_prompt(), s.draw(f'$ {x}'), s.carriage_return(), s.index()
def draw_output(n, x='', m=True):
if m:
mark_output()
for i in range(n):
s.draw(f'{i}{x}'), s.index(), s.carriage_return()
s = self.create_screen(cols=5, lines=5, scrollback=15)
draw_output(1, 'start', False)
draw_prompt('0'), draw_output(3)
draw_prompt('1')
draw_prompt('2'), draw_output(2, 'x')
# last cmd output
# test: find upwards
self.ae(s.scrolled_by, 0)
self.ae(lco(), '0x\n1x')
# get output after scroll up
s.scroll_to_prompt()
self.ae(s.scrolled_by, 4)
self.ae(str(s.visual_line(0)), '$ 0')
self.ae(lco(), '0x\n1x')
# first cmd output on screen
# test: find around
self.ae(fco(), '0\n1\n2')
s.scroll(2, False)
self.ae(s.scrolled_by, 2)
self.ae(str(s.visual_line(0)), '1')
self.ae(fco(), '0x\n1x')
# test: find downwards
s.scroll(2, False)
self.ae(str(s.visual_line(0)), '$ 1')
self.ae(fco(), '0x\n1x')
# resize
# get last cmd output with continued output mark
draw_prompt('3'), draw_output(1, 'long_line'), draw_output(2, 'l', False)
s.resize(4, 5)
s.scroll_to_prompt(-4)
self.ae(str(s.visual_line(0)), '$ 0')
self.ae(lco(), '0long_line\n0l\n1l')
# last visited cmd output
self.ae(lvco(), '0\n1\n2')
s.scroll_to_prompt(1)
self.ae(lvco(), '0x\n1x')