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test_api.py
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"""Test the public API."""
import contextlib
import gzip
import io
import os
import sys
import threading
import unicodedata
import wsgiref.simple_server
import zlib
from functools import partial
from pathlib import Path
from urllib.parse import urljoin, uses_relative
import pytest
from PIL import Image
from weasyprint import CSS, HTML, __main__, default_url_fetcher
from weasyprint.pdf.anchors import resolve_links
from weasyprint.urls import path2url
from .draw import parse_pixels
from .testing_utils import FakeHTML, assert_no_logs, capture_logs, resource_path
try:
# Available in Python 3.11+
from contextlib import chdir
except ImportError:
# Backported from Python 3.11
from contextlib import AbstractContextManager
class chdir(AbstractContextManager): # noqa: N801
def __init__(self, path):
self.path = path
self._old_cwd = []
def __enter__(self):
self._old_cwd.append(os.getcwd())
os.chdir(self.path)
def __exit__(self, *excinfo):
os.chdir(self._old_cwd.pop())
def _test_resource(class_, name, check, **kwargs):
"""Common code for testing the HTML and CSS classes."""
absolute_path = resource_path(name)
absolute_filename = str(absolute_path)
url = path2url(absolute_path)
check(class_(absolute_path, **kwargs))
check(class_(absolute_filename, **kwargs))
check(class_(guess=absolute_path, **kwargs))
check(class_(guess=absolute_filename, **kwargs))
check(class_(filename=absolute_path, **kwargs))
check(class_(filename=absolute_filename, **kwargs))
check(class_(url, **kwargs))
check(class_(guess=url, **kwargs))
url = path2url(absolute_filename.encode())
check(class_(url=url, **kwargs))
with absolute_path.open('rb') as fd:
check(class_(fd, **kwargs))
with absolute_path.open('rb') as fd:
check(class_(guess=fd, **kwargs))
with absolute_path.open('rb') as fd:
check(class_(file_obj=fd, **kwargs))
content = absolute_path.read_bytes()
with chdir(Path(__file__).parent):
relative_path = Path('resources') / name
relative_filename = str(relative_path)
check(class_(relative_path, **kwargs))
check(class_(relative_filename, **kwargs))
kwargs.pop('base_url', None)
check(class_(string=content, base_url=relative_filename, **kwargs))
encoding = kwargs.pop('encoding', 'utf-8')
with absolute_path.open('r', encoding=encoding) as fd:
check(class_(file_obj=fd, **kwargs))
check(class_(
string=content.decode(encoding), base_url=relative_filename,
**kwargs))
with pytest.raises(TypeError):
class_(filename='foo', url='bar')
def _check_doc1(html, has_base_url=True):
"""Check that a parsed HTML document looks like resources/doc1.html"""
root = html.etree_element
assert root.tag == 'html'
assert [child.tag for child in root] == ['head', 'body']
_head, body = root
assert [child.tag for child in body] == ['h1', 'p', 'ul', 'div']
h1, p, ul, div = body
assert h1.text == 'WeasyPrint test document (with Ünicōde)'
if has_base_url:
url = urljoin(html.base_url, 'pattern.png')
assert url.startswith('file:')
assert url.endswith('tests/resources/pattern.png')
else:
assert html.base_url is None
def _run(args, stdin=b''):
stdin = io.BytesIO(stdin)
stdout = io.BytesIO()
HTML = partial(FakeHTML, force_uncompressed_pdf=False) # noqa: N806
__main__.main(args.split(), stdin=stdin, stdout=stdout, HTML=HTML)
return stdout.getvalue()
class FakeFile:
def __init__(self):
self.chunks = []
def write(self, data):
self.chunks.append(bytes(data[:]))
def getvalue(self):
return b''.join(self.chunks)
def _png_size(png_bytes):
image = Image.open(io.BytesIO(png_bytes))
return image.width, image.height
def _round_meta(pages):
"""Eliminate errors of floating point arithmetic for metadata."""
for page in pages:
anchors = page.anchors
for anchor_name, (pos_x, pos_y) in anchors.items():
anchors[anchor_name] = round(pos_x, 6), round(pos_y, 6)
links = page.links
for i, link in enumerate(links):
link_type, target, rectangle, box = link
pos_x, pos_y, width, height = rectangle
link = (
link_type, target,
(round(pos_x, 6), round(pos_y, 6),
round(width, 6), round(height, 6)),
box)
links[i] = link
bookmarks = page.bookmarks
for i, (level, label, (pos_x, pos_y), state) in enumerate(bookmarks):
bookmarks[i] = (
level, label, (round(pos_x, 6), round(pos_y, 6)), state)
@assert_no_logs
def test_html_parsing():
"""Test the constructor for the HTML class."""
_test_resource(FakeHTML, 'doc1.html', _check_doc1)
_test_resource(
FakeHTML, 'doc1_UTF-16BE.html', _check_doc1, encoding='UTF-16BE')
with chdir(Path(__file__).parent):
path = Path('resources') / 'doc1.html'
string = path.read_text('utf-8')
_test_resource(FakeHTML, 'doc1.html', _check_doc1, base_url=path)
_check_doc1(FakeHTML(string=string, base_url=path))
_check_doc1(FakeHTML(string=string), has_base_url=False)
string_with_base = string.replace(
'<meta', '<base href="resources/"><meta')
_check_doc1(FakeHTML(string=string_with_base, base_url='.'))
string_with_no_base = string.replace('<meta', '<base><meta')
_check_doc1(FakeHTML(string=string_with_no_base), has_base_url=False)
@assert_no_logs
def test_css_parsing():
"""Test the constructor for the CSS class."""
def check_css(css):
"""Check that a parsed stylsheet looks like resources/utf8-test.css"""
# Using 'encoding' adds a CSSCharsetRule
h1_rule, = css.matcher.lower_local_name_selectors['h1']
assert h1_rule[3] == 'before'
assert h1_rule[4][0][0] == 'content'
assert h1_rule[4][0][1][0][1] == 'I løvë Unicode'
assert h1_rule[4][1][0] == 'background_image'
assert h1_rule[4][1][1][0][0] == 'url'
assert h1_rule[4][1][1][0][1].startswith('file:')
assert h1_rule[4][1][1][0][1].endswith('tests/resources/pattern.png')
_test_resource(CSS, 'utf8-test.css', check_css)
_test_resource(CSS, 'latin1-test.css', check_css, encoding='latin1')
def check_png_pattern(assert_pixels_equal, png_bytes, x2=False, blank=False,
rotated=False):
if blank:
expected_pixels = '''
________
________
________
________
________
________
________
________
'''
elif x2:
expected_pixels = '''
________________
________________
________________
________________
____rrBBBBBB____
____rrBBBBBB____
____BBBBBBBB____
____BBBBBBBB____
____BBBBBBBB____
____BBBBBBBB____
____BBBBBBBB____
____BBBBBBBB____
________________
________________
________________
________________
'''
elif rotated:
expected_pixels = '''
________
________
__BBBB__
__BBBB__
__BBBB__
__rBBB__
________
________
'''
else:
expected_pixels = '''
________
________
__rBBB__
__BBBB__
__BBBB__
__BBBB__
________
________
'''
image = Image.open(io.BytesIO(png_bytes))
width, height, pixels = parse_pixels(expected_pixels)
assert_pixels_equal(width, height, image.getdata(), pixels)
@assert_no_logs
def test_python_render(assert_pixels_equal, tmp_path):
"""Test rendering with the Python API."""
base_url = str(resource_path('dummy.html'))
html_string = '<body><img src=pattern.png>'
css_string = '''
@page { margin: 2px; size: 8px }
body { margin: 0; font-size: 0 }
img { image-rendering: pixelated }
@media screen { img { transform: rotate(-90deg) } }
'''
html = FakeHTML(string=html_string, base_url=base_url)
css = CSS(string=css_string)
png_bytes = html.write_png(stylesheets=[css])
pdf_bytes = html.write_pdf(stylesheets=[css])
assert png_bytes.startswith(b'\211PNG\r\n\032\n')
assert pdf_bytes.startswith(b'%PDF')
check_png_pattern(assert_pixels_equal, png_bytes)
png_file = FakeFile()
html.write_png(png_file, stylesheets=[css])
assert png_file.getvalue() == png_bytes
pdf_file = FakeFile()
html.write_pdf(pdf_file, stylesheets=[css])
assert pdf_file.getvalue().startswith(b'%PDF')
png_path = tmp_path / '1.png'
pdf_path = tmp_path / '1.pdf'
html.write_png(png_path, stylesheets=[css])
html.write_pdf(pdf_path, stylesheets=[css])
assert png_path.read_bytes() == png_bytes
assert pdf_path.read_bytes().startswith(b'%PDF')
png_path = tmp_path / '2.png'
pdf_path = tmp_path / '2.pdf'
with png_path.open('wb') as png_fd:
html.write_png(png_fd, stylesheets=[css])
with pdf_path.open('wb') as pdf_fd:
html.write_pdf(pdf_fd, stylesheets=[css])
assert png_path.read_bytes() == png_bytes
assert pdf_path.read_bytes().startswith(b'%PDF')
x2_png_bytes = html.write_png(stylesheets=[css], resolution=192)
check_png_pattern(assert_pixels_equal, x2_png_bytes, x2=True)
screen_css = CSS(string=css_string, media_type='screen')
rotated_png_bytes = html.write_png(stylesheets=[screen_css])
check_png_pattern(assert_pixels_equal, rotated_png_bytes, rotated=True)
assert FakeHTML(
string=html_string, base_url=base_url, media_type='screen'
).write_png(
stylesheets=[io.BytesIO(css_string.encode())]
) == rotated_png_bytes
assert FakeHTML(
string=f'<style>{css_string}</style>{html_string}',
base_url=base_url, media_type='screen'
).write_png() == rotated_png_bytes
@assert_no_logs
def test_unknown_options():
with capture_logs() as logs:
pdf_bytes = FakeHTML(string='test').write_pdf(zoom=2, unknown=True)
assert len(logs) == 1
assert 'unknown' in logs[0]
assert pdf_bytes
@assert_no_logs
def test_command_line_render(tmp_path):
css = b'''
@page { margin: 2px; size: 8px }
@media screen { img { transform: rotate(-90deg) } }
body { margin: 0; font-size: 0 }
'''
html = b'<body><img src=pattern.png>'
combined = b'<style>' + css + b'</style>' + html
linked = b'<link rel=stylesheet href=style.css>' + html
not_optimized = b'<body>a<img src="not-optimized.jpg">'
for name in ('pattern.png', 'not-optimized.jpg'):
pattern_bytes = resource_path(name).read_bytes()
(tmp_path / name).write_bytes(pattern_bytes)
with chdir(tmp_path):
# Reference
html_obj = FakeHTML(
string=combined, base_url='dummy.html',
force_uncompressed_pdf=False)
pdf_bytes = html_obj.write_pdf()
rotated_pdf_bytes = FakeHTML(
string=combined, base_url='dummy.html',
media_type='screen', force_uncompressed_pdf=False).write_pdf()
(tmp_path / 'no_css.html').write_bytes(html)
(tmp_path / 'combined.html').write_bytes(combined)
(tmp_path / 'combined-UTF-16BE.html').write_bytes(
combined.decode().encode('UTF-16BE'))
(tmp_path / 'linked.html').write_bytes(linked)
(tmp_path / 'not_optimized.html').write_bytes(not_optimized)
(tmp_path / 'style.css').write_bytes(css)
_run('combined.html out2.pdf')
assert (tmp_path / 'out2.pdf').read_bytes() == pdf_bytes
_run('combined-UTF-16BE.html out3.pdf --encoding UTF-16BE')
assert (tmp_path / 'out3.pdf').read_bytes() == pdf_bytes
_run(f'{(tmp_path / "combined.html")} out4.pdf')
assert (tmp_path / 'out4.pdf').read_bytes() == pdf_bytes
_run(f'{path2url((tmp_path / "combined.html"))} out5.pdf')
assert (tmp_path / 'out5.pdf').read_bytes() == pdf_bytes
_run('linked.html --debug out6.pdf') # test relative URLs
assert (tmp_path / 'out6.pdf').read_bytes() == pdf_bytes
_run('combined.html --verbose out7')
_run('combined.html --quiet out8')
assert (tmp_path / 'out7').read_bytes() == pdf_bytes
assert (tmp_path / 'out8').read_bytes() == pdf_bytes
_run('no_css.html out9.pdf')
_run('no_css.html out10.pdf -s style.css')
assert (tmp_path / 'out9.pdf').read_bytes() != pdf_bytes
assert (tmp_path / 'out10.pdf').read_bytes() == pdf_bytes
stdout = _run('combined.html -')
assert stdout == pdf_bytes
_run('- out11.pdf', stdin=combined)
assert (tmp_path / 'out11.pdf').read_bytes() == pdf_bytes
stdout = _run('- -', stdin=combined)
assert stdout == pdf_bytes
_run('combined.html out13.pdf --media-type screen')
_run('combined.html out12.pdf -m screen')
_run('linked.html out14.pdf -m screen')
assert (tmp_path / 'out12.pdf').read_bytes() == rotated_pdf_bytes
assert (tmp_path / 'out13.pdf').read_bytes() == rotated_pdf_bytes
assert (tmp_path / 'out14.pdf').read_bytes() == rotated_pdf_bytes
os.environ['SOURCE_DATE_EPOCH'] = '0'
_run('not_optimized.html out15.pdf')
_run('not_optimized.html out16.pdf --optimize-images')
_run('not_optimized.html out17.pdf --optimize-images -j 10')
_run('not_optimized.html out18.pdf --optimize-images -j 10 -D 1')
_run('not_optimized.html out19.pdf --hinting')
_run('not_optimized.html out20.pdf --full-fonts')
_run('not_optimized.html out21.pdf --full-fonts --uncompressed-pdf')
_run(f'not_optimized.html out22.pdf -c {tmp_path}')
assert (
len((tmp_path / 'out18.pdf').read_bytes()) <
len((tmp_path / 'out17.pdf').read_bytes()) <
len((tmp_path / 'out16.pdf').read_bytes()) <
len((tmp_path / 'out15.pdf').read_bytes()) <
len((tmp_path / 'out19.pdf').read_bytes()) <
len((tmp_path / 'out20.pdf').read_bytes()) <
len((tmp_path / 'out21.pdf').read_bytes()))
assert len({
(tmp_path / f'out{i}.pdf').read_bytes()
for i in (15, 22)}) == 1
os.environ.pop('SOURCE_DATE_EPOCH')
stdout = _run('combined.html --uncompressed-pdf -')
assert stdout.count(b'attachment') == 0
stdout = _run('combined.html --uncompressed-pdf -')
assert stdout.count(b'attachment') == 0
stdout = _run('-a pattern.png --uncompressed-pdf combined.html -')
assert stdout.count(b'attachment') == 1
stdout = _run(
'-a style.css -a pattern.png --uncompressed-pdf combined.html -')
assert stdout.count(b'attachment') == 2
_run('combined.html out23.pdf --timeout 30')
assert (tmp_path / 'out23.pdf').read_bytes() == pdf_bytes
subdirectory = tmp_path / 'subdirectory'
subdirectory.mkdir()
with chdir(subdirectory):
with capture_logs() as logs:
stdout = _run('- -', stdin=combined)
assert len(logs) == 1
assert logs[0].startswith('ERROR: Failed to load image')
assert stdout.startswith(b'%PDF')
with capture_logs() as logs:
stdout = _run('--base-url= - -', stdin=combined)
assert len(logs) == 1
assert logs[0].startswith(
'ERROR: Relative URI reference without a base URI')
assert stdout.startswith(b'%PDF')
stdout = _run('--base-url .. - -', stdin=combined)
assert stdout == pdf_bytes
with pytest.raises(SystemExit):
_run('--info')
with pytest.raises(SystemExit):
_run('--version')
@pytest.mark.parametrize('version, pdf_version', (
(1, '1.4'),
(2, '1.7'),
(3, '1.7'),
(4, '2.0'),
))
def test_pdfa(version, pdf_version):
stdout = _run(
f'--pdf-variant=pdf/a-{version}b --uncompressed-pdf - -', b'test')
assert f'PDF-{pdf_version}'.encode() in stdout
assert f'part="{version}"'.encode() in stdout
@pytest.mark.parametrize('version, pdf_version', (
(1, '1.4'),
(2, '1.7'),
(3, '1.7'),
(4, '2.0'),
))
def test_pdfa_compressed(version, pdf_version):
_run(f'--pdf-variant=pdf/a-{version}b - -', b'test')
def test_pdfa1b_cidset():
stdout = _run('--pdf-variant=pdf/a-1b --uncompressed-pdf - -', b'test')
assert b'PDF-1.4' in stdout
assert b'CIDSet' in stdout
def test_pdfua():
stdout = _run('--pdf-variant=pdf/ua-1 --uncompressed-pdf - -', b'test')
assert b'part="1"' in stdout
def test_pdfua_compressed():
_run('--pdf-variant=pdf/ua-1 - -', b'test')
def test_pdf_identifier():
stdout = _run('--pdf-identifier=abc --uncompressed-pdf - -', b'test')
assert b'abc' in stdout
def test_pdf_version():
stdout = _run('--pdf-version=1.4 --uncompressed-pdf - -', b'test')
assert b'PDF-1.4' in stdout
def test_pdf_custom_metadata():
stdout = _run(
'--custom-metadata --uncompressed-pdf - -',
b'<meta name=key content=value />')
assert b'/key' in stdout
assert b'value' in stdout
def test_bad_pdf_custom_metadata():
stdout = _run(
'--custom-metadata --uncompressed-pdf - -',
'<meta name=é content=value />'.encode('latin1'))
assert b'value' not in stdout
def test_partial_pdf_custom_metadata():
stdout = _run(
'--custom-metadata --uncompressed-pdf - -',
'<meta name=a.b/céd0 content=value />'.encode('latin1'))
assert b'/abcd0' in stdout
assert b'value' in stdout
def test_pdf_srgb():
stdout = _run('--srgb --uncompressed-pdf - -', b'test')
assert b'sRGB' in stdout
def test_pdf_no_srgb():
stdout = _run('--uncompressed-pdf - -', b'test')
assert b'sRGB' not in stdout
@pytest.mark.parametrize('html, fields', (
('<input>', ['/Tx', '/V ()']),
('<input value="">', ['/Tx', '/V ()']),
('<input type="checkbox">', ['/Btn']),
('<input type="radio">',
['/Btn', '/V /Off', '/AS /Off', '/Ff 49152']),
('<input checked type="radio" name="foo" value="value">',
['/Btn', '/T (foo)', '/V /0', '/AS /0']),
('<form><input type="radio" name="foo" value="v0"></form>'
'<form><input checked type="radio" name="foo" value="v1"></form>',
['/Btn', '/AS /0', '/V /0', '/AS /Off', '/V /Off']),
('<textarea></textarea>', ['/Tx', '/V ()']),
('<select><option value="a">A</option></select>', ['/Ch', '/Opt']),
('<select>'
'<option value="a">A</option>'
'<option value="b" selected>B</option>'
'</select>', ['/Ch', '/Opt', '/V (b)']),
('<select multiple>'
'<option value="a">A</option>'
'<option value="b" selected>B</option>'
'<option value="c" selected>C</option>'
'</select>', ['/Ch', '/Opt', '[(b) (c)]']),
))
def test_pdf_inputs(html, fields):
stdout = _run('--pdf-forms --uncompressed-pdf - -', html.encode())
assert b'AcroForm' in stdout
for field in fields:
assert field.encode() in stdout
stdout = _run('--uncompressed-pdf - -', html.encode())
assert b'AcroForm' not in stdout
@pytest.mark.parametrize('css, with_forms, without_forms', (
('appearance: auto', True, True),
('appearance: none', False, False),
('', True, False),
))
def test_appearance(css, with_forms, without_forms):
html = f'<input style="{css}">'.encode()
assert with_forms is (
b'AcroForm' in _run('--pdf-forms --uncompressed-pdf - -', html))
assert without_forms is (
b'AcroForm' in _run(' --uncompressed-pdf - -', html))
def test_appearance_non_input():
html = '<div style="appearance: auto">'.encode()
assert b'AcroForm' not in _run('--pdf-forms --uncompressed-pdf - -', html)
def test_reproducible():
os.environ['SOURCE_DATE_EPOCH'] = '0'
stdout1 = _run('- -', b'<body>a<img src=pattern.png>')
stdout2 = _run('- -', b'<body>a<img src=pattern.png>')
os.environ.pop('SOURCE_DATE_EPOCH')
assert stdout1 == stdout2
@assert_no_logs
def test_unicode_filenames(assert_pixels_equal, tmp_path):
"""Test non-ASCII filenames both in Unicode or bytes form."""
# Replicate pattern.png in CSS so that base_url does not matter.
html = b'''
<style>
@page { margin: 2px; size: 8px }
html { background: #00f; }
body { background: #f00; width: 1px; height: 1px }
</style>
<body>
'''
png_bytes = FakeHTML(string=html).write_png()
check_png_pattern(assert_pixels_equal, png_bytes)
unicode_filename = 'Unicödé'
if sys.platform.startswith('darwin'): # pragma: no cover
unicode_filename = unicodedata.normalize('NFD', unicode_filename)
with chdir(tmp_path):
(tmp_path / unicode_filename).write_bytes(html)
bytes_file, = tuple(tmp_path.iterdir())
assert bytes_file.name == unicode_filename
assert FakeHTML(unicode_filename).write_png() == png_bytes
assert FakeHTML(bytes_file).write_png() == png_bytes
os.remove(unicode_filename)
assert not tuple(tmp_path.iterdir())
FakeHTML(string=html).write_png(unicode_filename)
assert bytes_file.read_bytes() == png_bytes
@assert_no_logs
def test_low_level_api(assert_pixels_equal):
html = FakeHTML(string='<body>')
css = CSS(string='''
@page { margin: 2px; size: 8px }
html { background: #00f; }
body { background: #f00; width: 1px; height: 1px }
''')
pdf_bytes = html.write_pdf(stylesheets=[css])
assert pdf_bytes.startswith(b'%PDF')
png_bytes = html.write_png(stylesheets=[css])
document = html.render(stylesheets=[css])
page, = document.pages
assert page.width == 8
assert page.height == 8
assert document.write_png() == png_bytes
assert document.copy([page]).write_png() == png_bytes
document = html.render(stylesheets=[css])
page, = document.pages
assert (page.width, page.height) == (8, 8)
png_bytes = document.write_png(resolution=192)
check_png_pattern(assert_pixels_equal, png_bytes, x2=True)
document = html.render(stylesheets=[css])
page, = document.pages
assert (page.width, page.height) == (8, 8)
# A resolution that is not multiple of 96:
assert _png_size(document.write_png(resolution=145.2)) == (12, 12)
document = FakeHTML(string='''
<style>
@page:first { size: 5px 10px } @page { size: 6px 4px }
p { page-break-before: always }
</style>
<p></p>
<p></p>
''').render()
page_1, page_2 = document.pages
assert (page_1.width, page_1.height) == (5, 10)
assert (page_2.width, page_2.height) == (6, 4)
result = document.write_png()
# (Max of both widths, Sum of both heights)
assert _png_size(result) == (6, 14)
assert document.copy([page_1, page_2]).write_png() == result
assert _png_size(document.copy([page_1]).write_png()) == (5, 10)
assert _png_size(document.copy([page_2]).write_png()) == (6, 4)
@pytest.mark.parametrize('html, expected_by_page, expected_tree, round', (
('''
<style>h1, h2, h3, h4 { height: 10px }</style>
<h1>a</h1>
<h4 style="page-break-after: always">b</h4>
<h3 style="position: relative; top: 2px; left: 3px">c</h3>
<h2>d</h2>
<h1>e</h1>
''', [
[(1, 'a', (0, 0), 'open'), (4, 'b', (0, 10), 'open')],
[(3, 'c', (3, 2), 'open'), (2, 'd', (0, 10), 'open'),
(1, 'e', (0, 20), 'open')],
], [
('a', (0, 0, 0), [
('b', (0, 0, 10), [], 'open'),
('c', (1, 3, 2), [], 'open'),
('d', (1, 0, 10), [], 'open')], 'open'),
('e', (1, 0, 20), [], 'open'),
], False),
('''
<style>
h1, h2, h3, span { height: 90px; margin: 0 0 10px 0 }
</style>
<h1>Title 1</h1>
<h1>Title 2</h1>
<h2 style="position: relative; left: 20px">Title 3</h2>
<h2>Title 4</h2>
<h3>Title 5</h3>
<span style="display: block; page-break-before: always"></span>
<h2>Title 6</h2>
<h1>Title 7</h1>
<h2>Title 8</h2>
<h3>Title 9</h3>
<h1>Title 10</h1>
<h2>Title 11</h2>
''', [
[
(1, 'Title 1', (0, 0), 'open'),
(1, 'Title 2', (0, 100), 'open'),
(2, 'Title 3', (20, 200), 'open'),
(2, 'Title 4', (0, 300), 'open'),
(3, 'Title 5', (0, 400), 'open')
], [
(2, 'Title 6', (0, 100), 'open'),
(1, 'Title 7', (0, 200), 'open'),
(2, 'Title 8', (0, 300), 'open'),
(3, 'Title 9', (0, 400), 'open'),
(1, 'Title 10', (0, 500), 'open'),
(2, 'Title 11', (0, 600), 'open')
],
], [
('Title 1', (0, 0, 0), [], 'open'),
('Title 2', (0, 0, 100), [
('Title 3', (0, 20, 200), [], 'open'),
('Title 4', (0, 0, 300), [
('Title 5', (0, 0, 400), [], 'open')], 'open'),
('Title 6', (1, 0, 100), [], 'open')], 'open'),
('Title 7', (1, 0, 200), [
('Title 8', (1, 0, 300), [
('Title 9', (1, 0, 400), [], 'open')], 'open')], 'open'),
('Title 10', (1, 0, 500), [
('Title 11', (1, 0, 600), [], 'open')], 'open'),
], False),
('''
<style>* { height: 10px }</style>
<h2>A</h2> <p>depth 1</p>
<h4>B</h4> <p>depth 2</p>
<h2>C</h2> <p>depth 1</p>
<h3>D</h3> <p>depth 2</p>
<h4>E</h4> <p>depth 3</p>
''', [[
(2, 'A', (0, 0), 'open'),
(4, 'B', (0, 20), 'open'),
(2, 'C', (0, 40), 'open'),
(3, 'D', (0, 60), 'open'),
(4, 'E', (0, 80), 'open'),
]], [
('A', (0, 0, 0), [
('B', (0, 0, 20), [], 'open')], 'open'),
('C', (0, 0, 40), [
('D', (0, 0, 60), [
('E', (0, 0, 80), [], 'open')], 'open')], 'open'),
], False),
('''
<style>* { height: 10px; font-size: 0 }</style>
<h2>A</h2> <p>h2 depth 1</p>
<h4>B</h4> <p>h4 depth 2</p>
<h3>C</h3> <p>h3 depth 2</p>
<h5>D</h5> <p>h5 depth 3</p>
<h1>E</h1> <p>h1 depth 1</p>
<h2>F</h2> <p>h2 depth 2</p>
<h2>G</h2> <p>h2 depth 2</p>
<h4>H</h4> <p>h4 depth 3</p>
<h1>I</h1> <p>h1 depth 1</p>
''', [[
(2, 'A', (0, 0), 'open'),
(4, 'B', (0, 20), 'open'),
(3, 'C', (0, 40), 'open'),
(5, 'D', (0, 60), 'open'),
(1, 'E', (0, 70), 'open'),
(2, 'F', (0, 90), 'open'),
(2, 'G', (0, 110), 'open'),
(4, 'H', (0, 130), 'open'),
(1, 'I', (0, 150), 'open'),
]], [
('A', (0, 0, 0), [
('B', (0, 0, 20), [], 'open'),
('C', (0, 0, 40), [
('D', (0, 0, 60), [], 'open')], 'open')], 'open'),
('E', (0, 0, 70), [
('F', (0, 0, 90), [], 'open'),
('G', (0, 0, 110), [
('H', (0, 0, 130), [], 'open')], 'open')], 'open'),
('I', (0, 0, 150), [], 'open'),
], False),
('<h1>é', [
[(1, 'é', (0, 0), 'open')]
], [
('é', (0, 0, 0), [], 'open')
], False),
('''
<h1 style="transform: translateX(50px)">!
''', [
[(1, '!', (50, 0), 'open')]
], [
('!', (0, 50, 0), [], 'open')
], False),
('''
<style>
img { display: block; bookmark-label: attr(alt); bookmark-level: 1 }
</style>
<img src="%s" alt="Chocolate" />
''' % path2url(resource_path('pattern.png')),
[[(1, 'Chocolate', (0, 0), 'open')]],
[('Chocolate', (0, 0, 0), [], 'open')], False),
('''
<h1 style="transform-origin: 0 0;
transform: rotate(90deg) translateX(50px)">!
''', [[(1, '!', (0, 50), 'open')]], [('!', (0, 0, 50), [], 'open')], True),
('''
<body style="transform-origin: 0 0; transform: rotate(90deg)">
<h1 style="transform: translateX(50px)">!
''', [[(1, '!', (0, 50), 'open')]], [('!', (0, 0, 50), [], 'open')], True),
('''
<body>
<h1 style="width: 10px; line-height: 10px;
transform: skew(45deg, 45deg)">!
''', [[(1, '!', (-5, -5), 'open')]], [('!', (0, -5, -5), [], 'open')],
True),
))
@assert_no_logs
def test_assert_bookmarks(html, expected_by_page, expected_tree, round):
document = FakeHTML(string=html).render()
if round:
_round_meta(document.pages)
assert [page.bookmarks for page in document.pages] == expected_by_page
assert document.make_bookmark_tree() == expected_tree
def simplify_links(links):
return [
(link_type, link_target, rectangle)
for link_type, link_target, rectangle, box in links]
def assert_links(html, links, anchors, resolved_links,
base_url=resource_path('<inline HTML>'), warnings=(),
round=False):
with capture_logs() as logs:
document = FakeHTML(string=html, base_url=base_url).render()
if round:
_round_meta(document.pages)
document_resolved_links = [
(simplify_links(page_links), page_anchors)
for page_links, page_anchors in resolve_links(document.pages)]
assert len(logs) == len(warnings)
for message, expected in zip(logs, warnings):
assert expected in message
document_links = [simplify_links(page.links) for page in document.pages]
document_anchors = [page.anchors for page in document.pages]
assert document_links == links
assert document_anchors == anchors
assert document_resolved_links == resolved_links
@assert_no_logs
def test_links_1():
assert_links('''
<style>
body { font-size: 10px; line-height: 2; width: 200px }
p { height: 90px; margin: 0 0 10px 0 }
img { width: 30px; vertical-align: top }
</style>
<p><a href="https://weasyprint.org"><img src=pattern.png></a></p>
<p style="padding: 0 10px"><a
href="#lipsum"><img style="border: solid 1px"
src=pattern.png></a></p>
<p id=hello>Hello, World</p>
<p id=lipsum>
<a style="display: block; page-break-before: always; height: 30px"
href="#hel%6Co"></a>
</p>
''', [
[
('external', 'https://weasyprint.org', (0, 0, 30, 20)),
('external', 'https://weasyprint.org', (0, 0, 30, 30)),
('internal', 'lipsum', (10, 100, 42, 120)),
('internal', 'lipsum', (10, 100, 42, 132))
],
[('internal', 'hello', (0, 0, 200, 30))],
], [
{'hello': (0, 200)},
{'lipsum': (0, 0)}
], [
(
[
('external', 'https://weasyprint.org', (0, 0, 30, 20)),
('external', 'https://weasyprint.org', (0, 0, 30, 30)),
('internal', 'lipsum', (10, 100, 42, 120)),
('internal', 'lipsum', (10, 100, 42, 132))
],
[('hello', 0, 200)],
),
(
[('internal', 'hello', (0, 0, 200, 30))],
[('lipsum', 0, 0)]),
])
@assert_no_logs
def test_links_2():
assert_links(
'''
<body style="width: 200px">
<a href="../lipsum/é_%E9" style="display: block; margin: 10px 5px">
''', [[('external', 'https://weasyprint.org/foo/lipsum/%C3%A9_%E9',
(5, 10, 195, 10))]],
[{}], [([('external', 'https://weasyprint.org/foo/lipsum/%C3%A9_%E9',
(5, 10, 195, 10))], [])],
base_url='https://weasyprint.org/foo/bar/')
@assert_no_logs
def test_links_3():
assert_links(
'''
<body style="width: 200px">
<div style="display: block; margin: 10px 5px;
-weasy-link: url(../lipsum/é_%E9)">
''', [[('external', 'https://weasyprint.org/foo/lipsum/%C3%A9_%E9',
(5, 10, 195, 10))]],
[{}], [([('external', 'https://weasyprint.org/foo/lipsum/%C3%A9_%E9',
(5, 10, 195, 10))], [])],
base_url='https://weasyprint.org/foo/bar/')
@assert_no_logs
def test_links_4():
# Relative URI reference without a base URI: allowed for links
assert_links(
'''
<body style="width: 200px">
<a href="../lipsum" style="display: block; margin: 10px 5px">
''', [[('external', '../lipsum', (5, 10, 195, 10))]], [{}],
[([('external', '../lipsum', (5, 10, 195, 10))], [])],
base_url=None)
@assert_no_logs
def test_links_5():
# Relative URI reference without a base URI: not supported for -weasy-link
assert_links(
'''
<body style="width: 200px">
<div style="-weasy-link: url(../lipsum);
display: block; margin: 10px 5px">
''', [[]], [{}], [([], [])], base_url=None, warnings=[
'WARNING: Ignored `-weasy-link: url(../lipsum)` at 1:1, '
'Relative URI reference without a base URI'])
@assert_no_logs
def test_links_6():
# Internal or absolute URI reference without a base URI: OK
assert_links(
'''
<body style="width: 200px">
<a href="#lipsum" id="lipsum"
style="display: block; margin: 10px 5px"></a>
<a href="https://weasyprint.org/" style="display: block"></a>
''', [[
('internal', 'lipsum', (5, 10, 195, 10)),
('external', 'https://weasyprint.org/', (0, 10, 200, 10))]],
[{'lipsum': (5, 10)}],
[([('internal', 'lipsum', (5, 10, 195, 10)),
('external', 'https://weasyprint.org/', (0, 10, 200, 10))],
[('lipsum', 5, 10)])],
base_url=None)
@assert_no_logs
def test_links_7():
assert_links(
'''
<body style="width: 200px">
<div style="-weasy-link: url(#lipsum);
margin: 10px 5px" id="lipsum">
''',
[[('internal', 'lipsum', (5, 10, 195, 10))]],
[{'lipsum': (5, 10)}],
[([('internal', 'lipsum', (5, 10, 195, 10))], [('lipsum', 5, 10)])],
base_url=None)
@assert_no_logs
def test_links_8():
assert_links(
'''
<style> a { display: block; height: 15px } </style>
<body style="width: 200px">
<a href="#lipsum"></a>
<a href="#missing" id="lipsum"></a>
''',
[[('internal', 'lipsum', (0, 0, 200, 15)),
('internal', 'missing', (0, 15, 200, 30))]],