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[widget] Better tests for types of values we handle or not in style's size

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This commit is contained in:
Olivier Philippon
2022-04-27 11:23:07 +01:00
parent 9d1f9da641
commit f7e72ed945
3 changed files with 58 additions and 30 deletions
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56
tests/css/test_styles.py
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@@ -1,11 +1,15 @@
from decimal import Decimal
import pytest
from rich.style import Style
from textual.color import Color
from textual.css.errors import StyleTypeError
from textual.css.errors import StyleTypeError, StyleValueError
from textual.css.scalar import Scalar, Unit
from textual.css.styles import Styles, RenderStyles
from textual.dom import DOMNode
from textual.widget import Widget
def test_styles_reset():
@@ -131,3 +135,53 @@ def test_opacity_set_invalid_type_error():
styles = RenderStyles(DOMNode(), Styles(), Styles())
with pytest.raises(StyleTypeError):
styles.opacity = "invalid value"
@pytest.mark.parametrize(
"size_dimension_input,size_dimension_expected_output",
[
# fmt: off
[None, None],
[1, Scalar(1, Unit.CELLS, Unit.WIDTH)],
[1.0, Scalar(1.0, Unit.CELLS, Unit.WIDTH)],
[1.2, Scalar(1.2, Unit.CELLS, Unit.WIDTH)],
[1.2e3, Scalar(1200.0, Unit.CELLS, Unit.WIDTH)],
["20", Scalar(20, Unit.CELLS, Unit.WIDTH)],
["1.4", Scalar(1.4, Unit.CELLS, Unit.WIDTH)],
[Scalar(100, Unit.CELLS, Unit.WIDTH), Scalar(100, Unit.CELLS, Unit.WIDTH)],
[Scalar(10.3, Unit.CELLS, Unit.WIDTH), Scalar(10.3, Unit.CELLS, Unit.WIDTH)],
[Scalar(10.4, Unit.CELLS, Unit.HEIGHT), Scalar(10.4, Unit.CELLS, Unit.HEIGHT)],
[Scalar(10.5, Unit.PERCENT, Unit.WIDTH), Scalar(10.5, Unit.WIDTH, Unit.WIDTH)],
[Scalar(10.6, Unit.PERCENT, Unit.PERCENT), Scalar(10.6, Unit.WIDTH, Unit.WIDTH)],
[Scalar(10.7, Unit.HEIGHT, Unit.PERCENT), Scalar(10.7, Unit.HEIGHT, Unit.PERCENT)],
# percentage values are normalised to floats and get the WIDTH "percent_unit":
[Scalar(11, Unit.PERCENT, Unit.HEIGHT), Scalar(11.0, Unit.WIDTH, Unit.WIDTH)],
# fmt: on
],
)
def test_widget_style_size_can_accept_various_data_types_and_normalize_them(
size_dimension_input, size_dimension_expected_output
):
widget = Widget()
widget.styles.width = size_dimension_input
assert widget.styles.width == size_dimension_expected_output
@pytest.mark.parametrize(
"size_dimension_input",
[
"a",
"1.4e3",
3.14j,
Decimal("3.14"),
list(),
tuple(),
dict(),
],
)
def test_widget_style_size_fails_if_data_type_is_not_supported(size_dimension_input):
widget = Widget()
with pytest.raises(StyleValueError):
widget.styles.width = size_dimension_input