mirror of
https://github.com/kovidgoyal/kitty.git
synced 2024-09-11 14:45:31 +03:00
47 lines
1.8 KiB
Python
47 lines
1.8 KiB
Python
#!/usr/bin/env python
|
|
# vim:fileencoding=utf-8
|
|
# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
|
|
|
|
|
|
from . import BaseTest
|
|
|
|
|
|
class TestDiff(BaseTest):
|
|
|
|
def test_changed_center(self):
|
|
from kittens.diff.diff_speedup import changed_center
|
|
for left, right, prefix, suffix in [
|
|
('abc', 'def', '', ''),
|
|
('', 'def', '', ''),
|
|
('abc', '', '', ''),
|
|
('abc', 'abc', 'abc', ''),
|
|
('abc', 'abcdef', 'abc', ''),
|
|
('aa111bb', 'aa2bb', 'aa', 'bb'),
|
|
]:
|
|
pc, sc = changed_center(left, right)
|
|
for src in (left, right):
|
|
self.assertEqual((prefix, suffix), (src[:pc], src[-sc:] if sc else ''))
|
|
|
|
def test_split_with_highlights(self):
|
|
from kittens.diff.render import split_with_highlights, Segment, truncate_points
|
|
self.ae(list(truncate_points('1234567890ab', 3)), [3, 6, 9])
|
|
for line, width, prefix_count, suffix_count, expected in [
|
|
('abcdefgh', 20, 2, 3, ('abSScdeEEfgh',)),
|
|
('abcdefgh', 20, 2, 0, ('abSScdefghEE',)),
|
|
('abcdefgh', 3, 2, 3, ('abSScEE', 'SSdeEEf', 'gh')),
|
|
('abcdefgh', 2, 4, 1, ('ab', 'cd', 'SSefEE', 'SSgEEh')),
|
|
]:
|
|
seg = Segment(prefix_count, 'SS')
|
|
seg.end = len(line) - suffix_count
|
|
seg.end_code = 'EE'
|
|
self.ae(expected, tuple(split_with_highlights(line, width, [], seg)))
|
|
|
|
def h(s, e, w):
|
|
ans = Segment(s, 'S{}S'.format(w))
|
|
ans.end = e
|
|
ans.end_code = 'E{}E'.format(w)
|
|
return ans
|
|
|
|
highlights = [h(0, 1, 1), h(1, 3, 2)]
|
|
self.ae(['S1SaE1ES2SbcE2Ed'], split_with_highlights('abcd', 10, highlights))
|