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104 lines
3.6 KiB
Python
104 lines
3.6 KiB
Python
from contextlib import nullcontext as does_not_raise
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from typing import Any
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import pytest
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from textual.color import Color
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from textual.css._help_renderables import HelpText
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from textual.css.stylesheet import Stylesheet, StylesheetParseError
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from textual.css.tokenizer import TokenizeError
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@pytest.mark.parametrize(
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"css_value,expectation,expected_color",
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[
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# Valid values:
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["transparent", does_not_raise(), Color(0, 0, 0, 0)],
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["ansi_red", does_not_raise(), Color(128, 0, 0)],
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["ansi_bright_magenta", does_not_raise(), Color(255, 0, 255)],
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["red", does_not_raise(), Color(255, 0, 0)],
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["lime", does_not_raise(), Color(0, 255, 0)],
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["coral", does_not_raise(), Color(255, 127, 80)],
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["aqua", does_not_raise(), Color(0, 255, 255)],
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["deepskyblue", does_not_raise(), Color(0, 191, 255)],
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["rebeccapurple", does_not_raise(), Color(102, 51, 153)],
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["#ffcc00", does_not_raise(), Color(255, 204, 0)],
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["#ffcc0033", does_not_raise(), Color(255, 204, 0, 0.2)],
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["rgb(200,90,30)", does_not_raise(), Color(200, 90, 30)],
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["rgba(200,90,30,0.3)", does_not_raise(), Color(200, 90, 30, 0.3)],
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# Some invalid ones:
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["coffee", pytest.raises(StylesheetParseError), None], # invalid color name
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["ansi_dark_cyan", pytest.raises(StylesheetParseError), None],
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["red 4", pytest.raises(StylesheetParseError), None], # space in it
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["1", pytest.raises(StylesheetParseError), None], # invalid value
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["()", pytest.raises(TokenizeError), None], # invalid tokens
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# TODO: allow spaces in rgb/rgba expressions?
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["rgb(200, 90, 30)", pytest.raises(TokenizeError), None],
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["rgba(200,90,30, 0.4)", pytest.raises(TokenizeError), None],
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],
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)
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def test_color_property_parsing(css_value, expectation, expected_color):
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stylesheet = Stylesheet()
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css = """
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* {
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background: ${COLOR};
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}
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""".replace(
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"${COLOR}", css_value
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)
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with expectation:
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stylesheet.add_source(css)
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stylesheet.parse()
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if expected_color:
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css_rule = stylesheet.rules[0]
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assert css_rule.styles.background == expected_color
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@pytest.mark.parametrize(
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"css_property_name,expected_property_name_suggestion",
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[
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["backgroundu", "background"],
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["bckgroundu", "background"],
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["ofset-x", "offset-x"],
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["ofst_y", "offset-y"],
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["colr", "color"],
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["colour", "color"],
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["wdth", "width"],
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["wth", "width"],
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["wh", None],
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["xkcd", None],
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],
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)
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def test_did_you_mean_for_css_property_names(
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css_property_name: str, expected_property_name_suggestion
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):
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stylesheet = Stylesheet()
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css = """
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* {
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border: blue;
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${PROPERTY}: red;
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}
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""".replace(
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"${PROPERTY}", css_property_name
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)
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stylesheet.add_source(css)
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with pytest.raises(StylesheetParseError) as err:
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stylesheet.parse()
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_, help_text = err.value.errors.rules[0].errors[0] # type: Any, HelpText
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displayed_css_property_name = css_property_name.replace("_", "-")
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assert (
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help_text.summary == f"Invalid CSS property [i]{displayed_css_property_name}[/]"
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)
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expected_bullets_length = 1 if expected_property_name_suggestion else 0
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assert len(help_text.bullets) == expected_bullets_length
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if expected_property_name_suggestion is not None:
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expected_suggestion_message = (
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f'Did you mean "{expected_property_name_suggestion}"?'
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)
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assert help_text.bullets[0].markup == expected_suggestion_message
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