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textual/tests/test_compositor_regions_to_spans.py
2022-05-10 17:37:27 +01:00

55 lines
1.5 KiB
Python

from textual._compositor import Compositor
from textual.geometry import Region
def test_regions_to_ranges_no_regions():
assert list(Compositor._regions_to_spans([])) == []
def test_regions_to_ranges_single_region():
regions = [Region(0, 0, 3, 2)]
assert list(Compositor._regions_to_spans(regions)) == [
(0, 0, 3),
(1, 0, 3),
]
def test_regions_to_ranges_partially_overlapping_regions():
regions = [Region(0, 0, 2, 2), Region(1, 1, 2, 2)]
assert list(Compositor._regions_to_spans(regions)) == [
(0, 0, 2),
(1, 0, 3),
(2, 1, 3),
]
def test_regions_to_ranges_fully_overlapping_regions():
regions = [Region(1, 1, 3, 3), Region(2, 2, 1, 1), Region(0, 2, 3, 1)]
assert list(Compositor._regions_to_spans(regions)) == [
(1, 1, 4),
(2, 0, 4),
(3, 1, 4),
]
def test_regions_to_ranges_disjoint_regions_different_lines():
regions = [Region(0, 0, 2, 1), Region(2, 2, 2, 1)]
assert list(Compositor._regions_to_spans(regions)) == [(0, 0, 2), (2, 2, 4)]
def test_regions_to_ranges_disjoint_regions_same_line():
regions = [Region(0, 0, 1, 2), Region(2, 0, 1, 1)]
assert list(Compositor._regions_to_spans(regions)) == [
(0, 0, 1),
(0, 2, 3),
(1, 0, 1),
]
def test_regions_to_ranges_directly_adjacent_ranges_merged():
regions = [Region(0, 0, 1, 2), Region(1, 0, 1, 2)]
assert list(Compositor._regions_to_spans(regions)) == [
(0, 0, 2),
(1, 0, 2),
]