alihan/textual
1
0
Fork 0
mirror of https://github.com/Textualize/textual.git synced 2025-10-17 02:38:12 +03:00
Code Issues Packages Projects Releases Wiki Activity
Files
ee8eb40e0f5a2b0e0c9f31ce7eae8476844ab877
textual/tests/css/test_parse.py
Darren Burns ee8eb40e0f Updating tests to support token referencing
2022-02-03 16:07:09 +00:00

268 lines
14 KiB
Python
Raw Blame History

import pytest
from rich.color import Color, ColorType
from textual.css.errors import UnresolvedVariableError
from textual.css.parse import substitute_references
from textual.css.scalar import Scalar, Unit
from textual.css.stylesheet import Stylesheet, StylesheetParseError
from textual.css.tokenize import tokenize
from textual.css.tokenizer import Token, ReferencedAt
from textual.css.transition import Transition
from textual.layouts.dock import DockLayout
class TestVariableReferenceSubstitution:
def test_simple_reference(self):
css = "$x: 1; #some-widget{border: $x;}"
variables = substitute_references(tokenize(css, ""))
assert list(variables) == [
Token(name='variable_name', value='$x:', path='', code=css, location=(0, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='number', value='1', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='variable_value_end', value=';', path='', code=css, location=(0, 5), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 6), referenced_at=None),
Token(name='selector_start_id', value='#some-widget', path='', code=css, location=(0, 7),
referenced_at=None),
Token(name='declaration_set_start', value='{', path='', code=css, location=(0, 19), referenced_at=None),
Token(name='declaration_name', value='border:', path='', code=css, location=(0, 20), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 27), referenced_at=None),
Token(name='number', value='1', path='', code=css, location=(0, 4),
referenced_at=ReferencedAt(name='x', location=(0, 28), length=2)),
Token(name='declaration_end', value=';', path='', code=css, location=(0, 30), referenced_at=None),
Token(name='declaration_set_end', value='}', path='', code=css, location=(0, 31), referenced_at=None)
]
def test_simple_reference_no_whitespace(self):
css = "$x:1; #some-widget{border: $x;}"
variables = substitute_references(tokenize(css, ""))
assert list(variables) == [
Token(name='variable_name', value='$x:', path='', code=css, location=(0, 0), referenced_at=None),
Token(name='number', value='1', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='variable_value_end', value=';', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 5), referenced_at=None),
Token(name='selector_start_id', value='#some-widget', path='', code=css, location=(0, 6),
referenced_at=None),
Token(name='declaration_set_start', value='{', path='', code=css, location=(0, 18), referenced_at=None),
Token(name='declaration_name', value='border:', path='', code=css, location=(0, 19), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 26), referenced_at=None),
Token(name='number', value='1', path='', code=css, location=(0, 3), referenced_at=ReferencedAt(name='x', location=(0, 27), length=2)),
Token(name='declaration_end', value=';', path='', code=css, location=(0, 29), referenced_at=None),
Token(name='declaration_set_end', value='}', path='', code=css, location=(0, 30), referenced_at=None)
]
def test_undefined_variable(self):
css = ".thing { border: $not-defined; }"
with pytest.raises(UnresolvedVariableError):
list(substitute_references(tokenize(css, "")))
def test_transitive_reference(self):
css = "$x: 1\n$y: $x\n.thing { border: $y }"
assert list(substitute_references(tokenize(css, ""))) == [
Token(name='variable_name', value='$x:', path='', code=css, location=(0, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='number', value='1', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='variable_value_end', value='\n', path='', code=css, location=(0, 5), referenced_at=None),
Token(name='variable_name', value='$y:', path='', code=css, location=(1, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(1, 3), referenced_at=None),
Token(name='number', value='1', path='', code=css, location=(0, 4), referenced_at=ReferencedAt(name='x', location=(1, 4), length=2)),
Token(name='variable_value_end', value='\n', path='', code=css, location=(1, 6), referenced_at=None),
Token(name='selector_start_class', value='.thing', path='', code=css, location=(2, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(2, 6), referenced_at=None),
Token(name='declaration_set_start', value='{', path='', code=css, location=(2, 7), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(2, 8), referenced_at=None),
Token(name='declaration_name', value='border:', path='', code=css, location=(2, 9), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(2, 16), referenced_at=None),
Token(name='number', value='1', path='', code=css, location=(0, 4), referenced_at=ReferencedAt(name='y', location=(2, 17), length=2)),
Token(name='whitespace', value=' ', path='', code=css, location=(2, 19), referenced_at=None),
Token(name='declaration_set_end', value='}', path='', code=css, location=(2, 20), referenced_at=None)
]
def test_multi_value_variable(self):
css = "$x: 2 4\n$y: 6 $x 2\n.thing { border: $y }"
assert list(substitute_references(tokenize(css, ""))) == [
Token(name='variable_name', value='$x:', path='', code=css, location=(0, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='number', value='2', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 5), referenced_at=None),
Token(name='number', value='4', path='', code=css, location=(0, 6), referenced_at=None),
Token(name='variable_value_end', value='\n', path='', code=css, location=(0, 7), referenced_at=None),
Token(name='variable_name', value='$y:', path='', code=css, location=(1, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(1, 3), referenced_at=None),
Token(name='number', value='6', path='', code=css, location=(1, 4), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(1, 5), referenced_at=None),
Token(name='number', value='2', path='', code=css, location=(0, 4),
referenced_at=ReferencedAt(name='x', location=(1, 6), length=2)),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 5),
referenced_at=ReferencedAt(name='x', location=(1, 6), length=2)),
Token(name='number', value='4', path='', code=css, location=(0, 6),
referenced_at=ReferencedAt(name='x', location=(1, 6), length=2)),
Token(name='whitespace', value=' ', path='', code=css, location=(1, 8), referenced_at=None),
Token(name='number', value='2', path='', code=css, location=(1, 9), referenced_at=None),
Token(name='variable_value_end', value='\n', path='', code=css, location=(1, 10), referenced_at=None),
Token(name='selector_start_class', value='.thing', path='', code=css, location=(2, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(2, 6), referenced_at=None),
Token(name='declaration_set_start', value='{', path='', code=css, location=(2, 7), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(2, 8), referenced_at=None),
Token(name='declaration_name', value='border:', path='', code=css, location=(2, 9), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(2, 16), referenced_at=None),
Token(name='number', value='6', path='', code=css, location=(1, 4),
referenced_at=ReferencedAt(name='y', location=(2, 17), length=2)),
Token(name='whitespace', value=' ', path='', code=css, location=(1, 5),
referenced_at=ReferencedAt(name='y', location=(2, 17), length=2)),
Token(name='number', value='2', path='', code=css, location=(0, 4),
referenced_at=ReferencedAt(name='y', location=(2, 17), length=2)),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 5),
referenced_at=ReferencedAt(name='y', location=(2, 17), length=2)),
Token(name='number', value='4', path='', code=css, location=(0, 6),
referenced_at=ReferencedAt(name='y', location=(2, 17), length=2)),
Token(name='whitespace', value=' ', path='', code=css, location=(1, 8),
referenced_at=ReferencedAt(name='y', location=(2, 17), length=2)),
Token(name='number', value='2', path='', code=css, location=(1, 9),
referenced_at=ReferencedAt(name='y', location=(2, 17), length=2)),
Token(name='whitespace', value=' ', path='', code=css, location=(2, 19), referenced_at=None),
Token(name='declaration_set_end', value='}', path='', code=css, location=(2, 20), referenced_at=None)
]
class TestParseLayout:
def test_valid_layout_name(self):
css = "#some-widget { layout: dock; }"
stylesheet = Stylesheet()
stylesheet.parse(css)
styles = stylesheet.rules[0].styles
assert isinstance(styles.layout, DockLayout)
def test_invalid_layout_name(self):
css = "#some-widget { layout: invalidlayout; }"
stylesheet = Stylesheet()
with pytest.raises(StylesheetParseError) as ex:
stylesheet.parse(css)
assert ex.value.errors is not None
class TestParseText:
def test_foreground(self):
css = """#some-widget {
text: green;
}
"""
stylesheet = Stylesheet()
stylesheet.parse(css)
styles = stylesheet.rules[0].styles
assert styles.text_color == Color.parse("green")
def test_background(self):
css = """#some-widget {
text: on red;
}
"""
stylesheet = Stylesheet()
stylesheet.parse(css)
styles = stylesheet.rules[0].styles
assert styles.text_background == Color("red", type=ColorType.STANDARD, number=1)
class TestParseOffset:
@pytest.mark.parametrize("offset_x, parsed_x, offset_y, parsed_y", [
["-5.5%", Scalar(-5.5, Unit.PERCENT, Unit.WIDTH), "-30%", Scalar(-30, Unit.PERCENT, Unit.HEIGHT)],
["5%", Scalar(5, Unit.PERCENT, Unit.WIDTH), "40%", Scalar(40, Unit.PERCENT, Unit.HEIGHT)],
["10", Scalar(10, Unit.CELLS, Unit.WIDTH), "40", Scalar(40, Unit.CELLS, Unit.HEIGHT)],
])
def test_composite_rule(self, offset_x, parsed_x, offset_y, parsed_y):
css = f"""#some-widget {{
offset: {offset_x} {offset_y};
}}
"""
stylesheet = Stylesheet()
stylesheet.parse(css)
styles = stylesheet.rules[0].styles
assert len(stylesheet.rules) == 1
assert stylesheet.rules[0].errors == []
assert styles.offset.x == parsed_x
assert styles.offset.y == parsed_y
@pytest.mark.parametrize("offset_x, parsed_x, offset_y, parsed_y", [
["-5.5%", Scalar(-5.5, Unit.PERCENT, Unit.WIDTH), "-30%", Scalar(-30, Unit.PERCENT, Unit.HEIGHT)],
["5%", Scalar(5, Unit.PERCENT, Unit.WIDTH), "40%", Scalar(40, Unit.PERCENT, Unit.HEIGHT)],
["-10", Scalar(-10, Unit.CELLS, Unit.WIDTH), "40", Scalar(40, Unit.CELLS, Unit.HEIGHT)],
])
def test_separate_rules(self, offset_x, parsed_x, offset_y, parsed_y):
css = f"""#some-widget {{
offset-x: {offset_x};
offset-y: {offset_y};
}}
"""
stylesheet = Stylesheet()
stylesheet.parse(css)
styles = stylesheet.rules[0].styles
assert len(stylesheet.rules) == 1
assert stylesheet.rules[0].errors == []
assert styles.offset.x == parsed_x
assert styles.offset.y == parsed_y
class TestParseTransition:
@pytest.mark.parametrize(
"duration, parsed_duration", [
["5.57s", 5.57],
["0.5s", 0.5],
["1200ms", 1.2],
["0.5ms", 0.0005],
["20", 20.],
["0.1", 0.1],
]
)
def test_various_duration_formats(self, duration, parsed_duration):
easing = "in_out_cubic"
transition_property = "offset"
css = f"""#some-widget {{
transition: {transition_property} {duration} {easing} {duration};
}}
"""
stylesheet = Stylesheet()
stylesheet.parse(css)
styles = stylesheet.rules[0].styles
assert len(stylesheet.rules) == 1
assert stylesheet.rules[0].errors == []
assert styles.transitions == {
"offset": Transition(duration=parsed_duration, easing=easing, delay=parsed_duration)
}
def test_no_delay_specified(self):
css = f"#some-widget {{ transition: offset-x 1 in_out_cubic; }}"
stylesheet = Stylesheet()
stylesheet.parse(css)
styles = stylesheet.rules[0].styles
assert stylesheet.rules[0].errors == []
assert styles.transitions == {
"offset-x": Transition(duration=1, easing="in_out_cubic", delay=0)
}
def test_unknown_easing_function(self):
invalid_func_name = "invalid_easing_function"
css = f"#some-widget {{ transition: offset 1 {invalid_func_name} 1; }}"
stylesheet = Stylesheet()
with pytest.raises(StylesheetParseError) as ex:
stylesheet.parse(css)
stylesheet_errors = stylesheet.rules[0].errors
assert len(stylesheet_errors) == 1
assert stylesheet_errors[0][0].value == invalid_func_name
assert ex.value.errors is not None
Reference in New Issue View Git Blame Copy Permalink