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a792c94ccf
Fixes #1624. Use python3 shebang for all python scripts as python still defaults to python2 on many systems.
47 lines
1.8 KiB
Python
47 lines
1.8 KiB
Python
#!/usr/bin/env python3
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
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from . import BaseTest
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class TestDiff(BaseTest):
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def test_changed_center(self):
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from kittens.diff.diff_speedup import changed_center
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for left, right, prefix, suffix in [
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('abc', 'def', '', ''),
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('', 'def', '', ''),
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('abc', '', '', ''),
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('abc', 'abc', 'abc', ''),
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('abc', 'abcdef', 'abc', ''),
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('aa111bb', 'aa2bb', 'aa', 'bb'),
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]:
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pc, sc = changed_center(left, right)
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for src in (left, right):
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self.assertEqual((prefix, suffix), (src[:pc], src[-sc:] if sc else ''))
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def test_split_with_highlights(self):
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from kittens.diff.render import split_with_highlights, Segment, truncate_points
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self.ae(list(truncate_points('1234567890ab', 3)), [3, 6, 9])
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for line, width, prefix_count, suffix_count, expected in [
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('abcdefgh', 20, 2, 3, ('abSScdeEEfgh',)),
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('abcdefgh', 20, 2, 0, ('abSScdefghEE',)),
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('abcdefgh', 3, 2, 3, ('abSScEE', 'SSdeEEf', 'gh')),
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('abcdefgh', 2, 4, 1, ('ab', 'cd', 'SSefEE', 'SSgEEh')),
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]:
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seg = Segment(prefix_count, 'SS')
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seg.end = len(line) - suffix_count
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seg.end_code = 'EE'
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self.ae(expected, tuple(split_with_highlights(line, width, [], seg)))
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def h(s, e, w):
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ans = Segment(s, 'S{}S'.format(w))
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ans.end = e
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ans.end_code = 'E{}E'.format(w)
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return ans
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highlights = [h(0, 1, 1), h(1, 3, 2)]
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self.ae(['S1SaE1ES2SbcE2Ed'], split_with_highlights('abcd', 10, highlights))
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