File size: 3,074 Bytes
2c3c408 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | from rich.segment import Segment
from rich.style import Style
from textual._segment_tools import line_crop, line_trim, line_pad
def test_line_crop():
bold = Style(bold=True)
italic = Style(italic=True)
segments = [
Segment("Hello", bold),
Segment(" World!", italic),
]
total = sum(segment.cell_length for segment in segments)
assert line_crop(segments, 1, 2, total) == [Segment("e", bold)]
assert line_crop(segments, 4, 20, total) == [
Segment("o", bold),
Segment(" World!", italic),
]
def test_line_crop_emoji():
bold = Style(bold=True)
italic = Style(italic=True)
segments = [
Segment("Hello", bold),
Segment("💩💩💩", italic),
]
total = sum(segment.cell_length for segment in segments)
assert line_crop(segments, 8, 11, total) == [Segment(" 💩", italic)]
assert line_crop(segments, 9, 11, total) == [Segment("💩", italic)]
def test_line_crop_edge():
segments = [Segment("foo"), Segment("bar"), Segment("baz")]
total = sum(segment.cell_length for segment in segments)
assert line_crop(segments, 2, 9, total) == [
Segment("o"),
Segment("bar"),
Segment("baz"),
]
assert line_crop(segments, 3, 9, total) == [Segment("bar"), Segment("baz")]
assert line_crop(segments, 4, 9, total) == [Segment("ar"), Segment("baz")]
assert line_crop(segments, 4, 8, total) == [Segment("ar"), Segment("ba")]
def test_line_crop_edge_2():
segments = [
Segment("╭─"),
Segment(
"────── Placeholder ───────",
),
Segment(
"─╮",
),
]
total = sum(segment.cell_length for segment in segments)
result = line_crop(segments, 30, 60, total)
expected = []
print(repr(result))
assert result == expected
def test_line_trim():
segments = [Segment("foo")]
assert line_trim(segments, False, False) == segments
assert line_trim(segments, True, False) == [Segment("oo")]
assert line_trim(segments, False, True) == [Segment("fo")]
assert line_trim(segments, True, True) == [Segment("o")]
fob_segments = [Segment("f"), Segment("o"), Segment("b")]
assert line_trim(fob_segments, True, False) == [
Segment("o"),
Segment("b"),
]
assert line_trim(fob_segments, False, True) == [
Segment("f"),
Segment("o"),
]
assert line_trim(fob_segments, True, True) == [
Segment("o"),
]
assert line_trim([], True, True) == []
def test_line_pad():
segments = [Segment("foo"), Segment("bar")]
style = Style.parse("red")
assert line_pad(segments, 2, 3, style) == [
Segment(" ", style),
*segments,
Segment(" ", style),
]
assert line_pad(segments, 0, 3, style) == [
*segments,
Segment(" ", style),
]
assert line_pad(segments, 2, 0, style) == [
Segment(" ", style),
*segments,
]
assert line_pad(segments, 0, 0, style) == segments
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