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"""Test CSS errors and warnings."""
import pytest
from weasyprint import CSS
from ..testing_utils import assert_no_logs, capture_logs, render_pages
@assert_no_logs
@pytest.mark.parametrize('source, messages', (
(':lipsum { margin: 2cm', ['WARNING: Invalid or unsupported selector']),
('::lipsum { margin: 2cm', ['WARNING: Invalid or unsupported selector']),
('foo { margin-color: red', ['WARNING: Ignored', 'unknown property']),
('foo { margin-top: red', ['WARNING: Ignored', 'invalid value']),
('@import "relative-uri.css"',
['ERROR: Relative URI reference without a base URI']),
('@import "invalid-protocol://absolute-URL"',
['ERROR: Failed to load stylesheet at']),
))
def test_warnings(source, messages):
with capture_logs() as logs:
CSS(string=source)
assert len(logs) == 1, source
for message in messages:
assert message in logs[0]
@assert_no_logs
def test_warnings_stylesheet():
with capture_logs() as logs:
render_pages('<link rel=stylesheet href=invalid-protocol://absolute>')
assert len(logs) == 1
assert 'ERROR: Failed to load stylesheet at' in logs[0]
@assert_no_logs
@pytest.mark.parametrize('style', (
'<style> html { color red; color: blue; color',
'<html style="color; color: blue; color red">',
))
def test_error_recovery(style):
with capture_logs() as logs:
page, = render_pages(style)
html, = page.children
assert html.style['color'] == (0, 0, 1, 1) # blue
assert len(logs) == 2
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