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134 lines
3.5 KiB
Python
134 lines
3.5 KiB
Python
import pytest
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from rich.style import Style
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from textual.color import Color
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from textual.css.errors import StyleTypeError, StyleValueError
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from textual.css.styles import Styles, RenderStyles
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from textual.dom import DOMNode
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def test_styles_reset():
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styles = Styles()
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styles.text_style = "not bold"
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assert styles.text_style == Style(bold=False)
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styles.reset()
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assert styles.text_style is Style.null()
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def test_has_rule():
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styles = Styles()
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assert not styles.has_rule("text_style")
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styles.text_style = "bold"
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assert styles.has_rule("text_style")
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styles.text_style = None
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assert not styles.has_rule("text_style")
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def test_clear_rule():
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styles = Styles()
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styles.text_style = "bold"
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assert styles.has_rule("text_style")
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styles.clear_rule("text_style")
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assert not styles.has_rule("text_style")
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def test_get_rules():
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styles = Styles()
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# Empty rules at start
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assert styles.get_rules() == {}
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styles.text_style = "bold"
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assert styles.get_rules() == {"text_style": Style.parse("bold")}
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styles.display = "none"
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assert styles.get_rules() == {
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"text_style": Style.parse("bold"),
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"display": "none",
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}
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def test_set_rule():
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styles = Styles()
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assert styles.get_rules() == {}
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styles.set_rule("text_style", Style.parse("bold"))
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assert styles.get_rules() == {"text_style": Style.parse("bold")}
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def test_reset():
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styles = Styles()
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assert styles.get_rules() == {}
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styles.set_rule("text_style", Style.parse("bold"))
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assert styles.get_rules() == {"text_style": Style.parse("bold")}
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styles.reset()
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assert styles.get_rules() == {}
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def test_merge():
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styles = Styles()
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styles.set_rule("text_style", Style.parse("bold"))
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styles2 = Styles()
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styles2.set_rule("display", "none")
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styles.merge(styles2)
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assert styles.get_rules() == {
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"text_style": Style.parse("bold"),
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"display": "none",
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}
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def test_merge_rules():
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styles = Styles()
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styles.set_rule("text_style", Style.parse("bold"))
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styles.merge_rules({"display": "none"})
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assert styles.get_rules() == {
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"text_style": Style.parse("bold"),
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"display": "none",
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}
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def test_render_styles_border():
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base = Styles()
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inline = Styles()
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styles_view = RenderStyles(None, base, inline)
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base.border_top = ("heavy", "red")
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# Base has border-top: heavy red
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assert styles_view.border_top == ("heavy", Color.parse("red"))
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inline.border_left = ("rounded", "green")
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# Base has border-top heavy red, inline has border-left: rounded green
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assert styles_view.border_top == ("heavy", Color.parse("red"))
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assert styles_view.border_left == ("rounded", Color.parse("green"))
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assert styles_view.border == (
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("heavy", Color.parse("red")),
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("", Color(0, 255, 0)),
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("", Color(0, 255, 0)),
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("rounded", Color.parse("green")),
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)
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def test_get_opacity_default():
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styles = RenderStyles(DOMNode(), Styles(), Styles())
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assert styles.opacity == 1.0
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@pytest.mark.parametrize(
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"set_value, expected",
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[
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[0.2, 0.2],
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[-0.4, 0.0],
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[5.8, 1.0],
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["25%", 0.25],
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["-10%", 0.0],
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["120%", 1.0],
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],
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)
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def test_opacity_set_then_get(set_value, expected):
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styles = RenderStyles(DOMNode(), Styles(), Styles())
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styles.opacity = set_value
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assert styles.opacity == expected
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def test_opacity_set_invalid_type_error():
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styles = RenderStyles(DOMNode(), Styles(), Styles())
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with pytest.raises(StyleValueError):
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styles.opacity = "invalid value"
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