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|
"""Test overflow and clipping."""
import pytest
from ..testing_utils import assert_no_logs
@assert_no_logs
def test_overflow_1(assert_pixels):
# See test_images
assert_pixels('''
________
________
__rBBB__
__BBBB__
________
________
________
________
''', '''
<style>
@page { size: 8px }
body { margin: 2px 0 0 2px; font-size: 0 }
div { height: 2px; overflow: hidden }
</style>
<div><img src="pattern.png"></div>''')
@assert_no_logs
def test_overflow_2(assert_pixels):
# <body> is only 1px high, but its overflow is propageted to the viewport
# ie. the padding edge of the page box.
assert_pixels('''
________
________
__rBBB__
__BBBB__
__BBBB__
________
________
________
''', '''
<style>
@page { size: 8px; margin: 2px 2px 3px 2px }
body { height: 1px; overflow: hidden; font-size: 0 }
</style>
<div><img src="pattern.png"></div>''')
@assert_no_logs
def test_overflow_3(assert_pixels):
# Assert that the border is not clipped by overflow: hidden
assert_pixels('''
________
________
__BBBB__
__B__B__
__B__B__
__BBBB__
________
________
''', '''
<style>
@page { size: 8px; margin: 2px; }
div { width: 2px; height: 2px; overflow: hidden;
border: 1px solid blue; }
</style>
<div></div>''')
@assert_no_logs
def test_overflow_4(assert_pixels):
# Assert that the page margins aren't clipped by body's overflow
assert_pixels('''
rr______
rr______
__BBBB__
__BBBB__
__BBBB__
__BBBB__
________
________
''', '''
<style>
@page {
size: 8px;
margin: 2px;
background:#fff;
@top-left-corner { content: ''; background:#f00; } }
body { overflow: auto; background:#00f; }
</style>
''')
@assert_no_logs
def test_overflow_5(assert_pixels):
# Regression test for https://github.com/Kozea/WeasyPrint/issues/2026
assert_pixels('''
BBBBBB__
BBBBBB__
BBBB____
BBBB____
BBBB____
________
________
________
''', '''
<style>
@font-face { src: url(weasyprint.otf); font-family: weasyprint }
@page { size: 8px }
body { font-family: weasyprint; line-height: 1; font-size: 2px }
p { color: blue }
</style>
<p>abc</p>
<p style="height: 3px; overflow: hidden">ab<br>ab<br>ab<br>ab</p>
''')
@assert_no_logs
@pytest.mark.parametrize('number, css, pixels', (
(1, '5px, 5px, 9px, auto', '''
______________
______________
______________
______________
______________
______________
______rBBBrBg_
______BBBBBBg_
______BBBBBBg_
______BBBBBBg_
______________
______________
______________
______________
______________
______________
'''),
(2, '5px, 5px, auto, 10px', '''
______________
______________
______________
______________
______________
______________
______rBBBr___
______BBBBB___
______BBBBB___
______BBBBB___
______rBBBr___
______BBBBB___
______ggggg___
______________
______________
______________
'''),
(3, '5px, auto, 9px, 10px', '''
______________
______________
______________
______________
______________
______________
_grBBBrBBBr___
_gBBBBBBBBB___
_gBBBBBBBBB___
_gBBBBBBBBB___
______________
______________
______________
______________
______________
______________
'''),
(4, 'auto, 5px, 9px, 10px', '''
______________
______ggggg___
______rBBBr___
______BBBBB___
______BBBBB___
______BBBBB___
______rBBBr___
______BBBBB___
______BBBBB___
______BBBBB___
______________
______________
______________
______________
______________
______________
'''),
))
def test_clip(assert_pixels, number, css, pixels):
assert_pixels(pixels, '''
<style>
@page { size: 14px 16px }
div { margin: 1px; border: 1px green solid;
background: url(pattern.png);
position: absolute; /* clip only applies on abspos */
top: 0; bottom: 2px; left: 0; right: 0;
clip: rect(%s); }
</style>
<div>''' % css)
|
