mirror of
https://github.com/Kozea/WeasyPrint.git
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2177 lines
68 KiB
Python
2177 lines
68 KiB
Python
# coding: utf8
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# WeasyPrint converts web documents (HTML, CSS, ...) to PDF.
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# Copyright (C) 2011 Simon Sapin
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Test the layout.
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"""
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from __future__ import division, unicode_literals
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from attest import Tests, assert_hook # pylint: disable=W0611
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from .testing_utils import (
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TestPNGDocument, resource_filename, FONTS, assert_no_logs, capture_logs)
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from .test_boxes import monkeypatch_validation
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from ..formatting_structure import boxes
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from ..layout.inlines import split_inline_box
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from ..layout.percentages import resolve_percentages
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from ..layout.preferred import (inline_preferred_width,
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inline_preferred_minimum_width)
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SUITE = Tests()
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SUITE.context(assert_no_logs)
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def body_children(page):
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"""Take a ``page`` and return its <body>’s children."""
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html, = page.children
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assert html.element_tag == 'html'
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body, = html.children
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assert body.element_tag == 'body'
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return body.children
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def parse_without_layout(html_content):
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"""Parse some HTML, apply stylesheets, transform to boxes."""
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return TestPNGDocument(html_content)
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def validate_absolute_and_float(
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real_non_shorthand, name, values, required=False):
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"""Fake validator for ``absolute`` and ``float``."""
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value = values[0].value
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if (name == 'position' and value == 'absolute'
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) or (name == 'float' and value == 'left'):
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return [(name, value)]
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return real_non_shorthand(name, values, required)
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def parse(html_content, return_document=False):
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"""Parse some HTML, apply stylesheets, transform to boxes and lay out."""
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# TODO: remove this patching when asbolute and floats are validated
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with monkeypatch_validation(validate_absolute_and_float):
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document = TestPNGDocument(html_content,
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base_url=resource_filename('<inline HTML>'))
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if return_document:
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return document
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else:
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return document.pages
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@SUITE.test
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def test_page():
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"""Test the layout for ``@page`` properties."""
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pages = parse('<p>')
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page = pages[0]
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assert isinstance(page, boxes.PageBox)
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assert int(page.outer_width) == 793 # A4: 210 mm in pixels
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assert int(page.outer_height) == 1122 # A4: 297 mm in pixels
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page, = parse('''<style>@page { -weasy-size: 2in 10in; }</style>''')
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assert page.outer_width == 192
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assert page.outer_height == 960
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page, = parse('''<style>@page { -weasy-size: 242px; }</style>''')
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assert page.outer_width == 242
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assert page.outer_height == 242
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page, = parse('''<style>@page { -weasy-size: letter; }</style>''')
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assert page.outer_width == 816 # 8.5in
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assert page.outer_height == 1056 # 11in
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page, = parse('''<style>@page { -weasy-size: letter portrait; }</style>''')
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assert page.outer_width == 816 # 8.5in
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assert page.outer_height == 1056 # 11in
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page, = parse('''<style>@page { -weasy-size: letter landscape; }</style>''')
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assert page.outer_width == 1056 # 11in
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assert page.outer_height == 816 # 8.5in
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page, = parse('''<style>@page { -weasy-size: portrait; }</style>''')
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assert int(page.outer_width) == 793 # A4: 210 mm
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assert int(page.outer_height) == 1122 # A4: 297 mm
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page, = parse('''<style>@page { -weasy-size: landscape; }</style>''')
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assert int(page.outer_width) == 1122 # A4: 297 mm
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assert int(page.outer_height) == 793 # A4: 210 mm
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page, = parse('''
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<style>@page { -weasy-size: 200px 300px; margin: 10px 10% 20% 1in }
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body { margin: 8px }
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</style>
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<p style="margin: 0">
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''')
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assert page.outer_width == 200
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assert page.outer_height == 300
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assert page.position_x == 0
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assert page.position_y == 0
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assert page.width == 84 # 200px - 10% - 1 inch
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assert page.height == 230 # 300px - 10px - 20%
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html, = page.children
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assert html.element_tag == 'html'
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assert html.position_x == 96 # 1in
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assert html.position_y == 10
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assert html.width == 84
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body, = html.children
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assert body.element_tag == 'body'
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assert body.position_x == 96 # 1in
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assert body.position_y == 10
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# body has margins in the UA stylesheet
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assert body.margin_left == 8
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assert body.margin_right == 8
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assert body.margin_top == 8
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assert body.margin_bottom == 8
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assert body.width == 68
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paragraph, = body.children
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assert paragraph.element_tag == 'p'
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assert paragraph.position_x == 104 # 1in + 8px
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assert paragraph.position_y == 18 # 10px + 8px
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assert paragraph.width == 68
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page, = parse('''
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<style>
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@page { -weasy-size: 100px; margin: 1px 2px; padding: 4px 8px;
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border-width: 16px 32px; border-style: solid }
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</style>
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<body>
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''')
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assert page.width == 16 # 100 - 2 * 42
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assert page.height == 58 # 100 - 2 * 21
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html, = page.children
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assert html.element_tag == 'html'
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assert html.position_x == 42 # 2 + 8 + 32
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assert html.position_y == 21 # 1 + 4 + 16
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@SUITE.test
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def test_block_widths():
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"""Test the blocks widths."""
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page, = parse('''
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<style>
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@page { margin: 0; -weasy-size: 120px 2000px }
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body { margin: 0 }
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div { margin: 10px }
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p { padding: 2px; border-width: 1px; border-style: solid }
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</style>
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<div>
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<p></p>
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<p style="width: 50px"></p>
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</div>
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<div style="direction: rtl">
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<p style="width: 50px; direction: rtl"></p>
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</div>
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<div>
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<p style="margin: 0 10px 0 20px"></p>
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<p style="width: 50px; margin-left: 20px; margin-right: auto"></p>
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<p style="width: 50px; margin-left: auto; margin-right: 20px"></p>
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<p style="width: 50px; margin: auto"></p>
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<p style="margin-left: 20px; margin-right: auto"></p>
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<p style="margin-left: auto; margin-right: 20px"></p>
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<p style="margin: auto"></p>
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<p style="width: 200px; margin: auto"></p>
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</div>
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''')
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html, = page.children
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assert html.element_tag == 'html'
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body, = html.children
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assert body.element_tag == 'body'
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assert body.width == 120
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divs = body.children
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paragraphs = []
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for div in divs:
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assert isinstance(div, boxes.BlockBox)
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assert div.element_tag == 'div'
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assert div.width == 100
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for paragraph in div.children:
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assert isinstance(paragraph, boxes.BlockBox)
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assert paragraph.element_tag == 'p'
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assert paragraph.padding_left == 2
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assert paragraph.padding_right == 2
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assert paragraph.border_left_width == 1
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assert paragraph.border_right_width == 1
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paragraphs.append(paragraph)
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assert len(paragraphs) == 11
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# width is 'auto'
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assert paragraphs[0].width == 94
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assert paragraphs[0].margin_left == 0
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assert paragraphs[0].margin_right == 0
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# No 'auto', over-constrained equation with ltr, the initial
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# 'margin-right: 0' was ignored.
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assert paragraphs[1].width == 50
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assert paragraphs[1].margin_left == 0
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assert paragraphs[1].margin_right == 44
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# No 'auto', over-constrained equation with ltr, the initial
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# 'margin-right: 0' was ignored.
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assert paragraphs[2].width == 50
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assert paragraphs[2].margin_left == 44
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assert paragraphs[2].margin_right == 0
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# width is 'auto'
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assert paragraphs[3].width == 64
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assert paragraphs[3].margin_left == 20
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assert paragraphs[3].margin_right == 10
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# margin-right is 'auto'
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assert paragraphs[4].width == 50
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assert paragraphs[4].margin_left == 20
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assert paragraphs[4].margin_right == 24
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# margin-left is 'auto'
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assert paragraphs[5].width == 50
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assert paragraphs[5].margin_left == 24
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assert paragraphs[5].margin_right == 20
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# Both margins are 'auto', remaining space is split in half
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assert paragraphs[6].width == 50
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assert paragraphs[6].margin_left == 22
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assert paragraphs[6].margin_right == 22
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# width is 'auto', other 'auto' are set to 0
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assert paragraphs[7].width == 74
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assert paragraphs[7].margin_left == 20
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assert paragraphs[7].margin_right == 0
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# width is 'auto', other 'auto' are set to 0
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assert paragraphs[8].width == 74
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assert paragraphs[8].margin_left == 0
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assert paragraphs[8].margin_right == 20
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# width is 'auto', other 'auto' are set to 0
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assert paragraphs[9].width == 94
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assert paragraphs[9].margin_left == 0
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assert paragraphs[9].margin_right == 0
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# sum of non-auto initially is too wide, set auto values to 0
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assert paragraphs[10].width == 200
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assert paragraphs[10].margin_left == 0
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assert paragraphs[10].margin_right == -106
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@SUITE.test
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def test_block_heights():
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"""Test the blocks heights."""
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page, = parse('''
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<style>
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@page { margin: 0; -weasy-size: 100px 2000px }
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html, body { margin: 0 }
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div { margin: 4px; border-width: 2px; border-style: solid;
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padding: 4px }
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p { margin: 8px; border-width: 4px; border-style: solid;
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padding: 8px; height: 50px }
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</style>
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<div>
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<p></p>
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<!-- These two are not in normal flow: the do not contribute to
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the parent’s height. -->
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<p style="position: absolute"></p>
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<p style="float: left"></p>
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</div><div>
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<p></p>
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<p></p>
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<p></p>
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</div>
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''')
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divs = body_children(page)
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assert divs[0].height == 90
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assert divs[1].height == 90 * 3
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@SUITE.test
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def test_block_percentage_heights():
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"""Test the blocks heights set in percents."""
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page, = parse('''
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<style>
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html, body { margin: 0 }
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body { height: 50% }
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</style>
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<body>
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''')
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html, = page.children
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assert html.element_tag == 'html'
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body, = html.children
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assert body.element_tag == 'body'
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# Since html’s height depend on body’s, body’s 50% means 'auto'
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assert body.height == 0
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page, = parse('''
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<style>
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html, body { margin: 0 }
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html { height: 300px }
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body { height: 50% }
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</style>
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<body>
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''')
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html, = page.children
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assert html.element_tag == 'html'
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body, = html.children
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assert body.element_tag == 'body'
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# This time the percentage makes sense
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assert body.height == 150
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@SUITE.test
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def test_lists():
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"""Test the lists."""
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page, = parse('''
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<style>
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body { margin: 0 }
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ul { margin-left: 50px; list-style: inside circle }
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</style>
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<ul>
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<li>abc</li>
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</ul>
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''')
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unordered_list, = body_children(page)
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list_item, = unordered_list.children
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line, = list_item.children
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marker, content = line.children
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assert marker.text == '◦'
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assert marker.margin_left == 0
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assert marker.margin_right == 8
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assert content.text == 'abc'
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page, = parse('''
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<style>
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body { margin: 0 }
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ul { margin-left: 50px; }
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</style>
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<ul>
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<li>abc</li>
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</ul>
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''')
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unordered_list, = body_children(page)
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list_item, = unordered_list.children
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marker = list_item.outside_list_marker
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font_size = marker.style.font_size
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assert marker.margin_right == 0.5 * font_size # 0.5em
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assert marker.position_x == (
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list_item.padding_box_x() - marker.width - marker.margin_right)
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assert marker.position_y == list_item.position_y
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assert marker.text == '•'
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line, = list_item.children
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content, = line.children
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assert content.text == 'abc'
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@SUITE.test
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def test_empty_linebox():
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"""Test lineboxes with no content other than space-like characters."""
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page, = parse('''
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<style>
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p { font-size: 12px; width: 500px;
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font-family:%(fonts)s;}
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</style>
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<p> </p>
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''' % {'fonts': FONTS})
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paragraph, = body_children(page)
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assert len(paragraph.children) == 0
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assert paragraph.height == 0
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@SUITE.test
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def test_breaking_linebox():
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"""Test lineboxes breaks with a lot of text and deep nesting."""
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page, = parse('''
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<style>
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p { font-size: 13px;
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width: 300px;
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font-family: %(fonts)s;
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background-color: #393939;
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color: #FFFFFF;
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line-height: 1;
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text-decoration: underline overline line-through;}
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</style>
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<p><em>Lorem<strong> Ipsum <span>is very</span>simply</strong><em>
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dummy</em>text of the printing and. naaaa </em> naaaa naaaa naaaa
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naaaa naaaa naaaa naaaa naaaa</p>
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''' % {'fonts': FONTS})
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html, = page.children
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body, = html.children
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paragraph, = body.children
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assert len(list(paragraph.children)) == 3
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lines = paragraph.children
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for line in lines:
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assert line.style.font_size == 13
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assert line.element_tag == 'p'
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for child in line.children:
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assert child.element_tag in ('em', 'p')
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assert child.style.font_size == 13
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if isinstance(child, boxes.ParentBox):
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for child_child in child.children:
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assert child.element_tag in ('em', 'strong', 'span')
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assert child.style.font_size == 13
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@SUITE.test
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def test_linebox_text():
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"""Test the creation of line boxes."""
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page, = parse('''
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<style>
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p { width: 165px; font-family:%(fonts)s;}
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</style>
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<p><em>Lorem Ipsum</em>is very <strong>coool</strong></p>
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''' % {'fonts': FONTS})
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paragraph, = body_children(page)
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lines = list(paragraph.children)
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assert len(lines) == 2
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text = ' '.join(
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(''.join(box.text for box in line.descendants()
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if isinstance(box, boxes.TextBox)))
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for line in lines)
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assert text == 'Lorem Ipsumis very coool'
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@SUITE.test
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def test_linebox_positions():
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"""Test the position of line boxes."""
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for width, expected_lines in [(165, 2), (1, 5), (0, 5)]:
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page = '''
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<style>
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p { width:%(width)spx; font-family:%(fonts)s;
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line-height: 20px }
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</style>
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<p>this is test for <strong>Weasyprint</strong></p>'''
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page, = parse(page % {'fonts': FONTS, 'width': width})
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paragraph, = body_children(page)
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lines = list(paragraph.children)
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assert len(lines) == expected_lines
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ref_position_y = lines[0].position_y
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ref_position_x = lines[0].position_x
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for line in lines:
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assert ref_position_y == line.position_y
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assert ref_position_x == line.position_x
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for box in line.children:
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assert ref_position_x == box.position_x
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ref_position_x += box.width
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assert ref_position_y == box.position_y
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assert ref_position_x - line.position_x <= line.width
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ref_position_x = line.position_x
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ref_position_y += line.height
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@SUITE.test
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||
def test_forced_line_breaks():
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"""Test <pre> and <br>."""
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# These lines should be small enough to fit on the default A4 page
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# with the default 12pt font-size.
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page, = parse('''
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<style> pre { line-height: 42px }</style>
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<pre>Lorem ipsum dolor sit amet,
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consectetur adipiscing elit.
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Sed sollicitudin nibh
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et turpis molestie tristique.</pre>
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''')
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pre, = body_children(page)
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assert pre.element_tag == 'pre'
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lines = pre.children
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assert all(isinstance(line, boxes.LineBox) for line in lines)
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assert len(lines) == 7
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assert [line.height for line in lines] == [42] * 7
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page, = parse('''
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<style> p { line-height: 42px }</style>
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<p>Lorem ipsum dolor sit amet,<br>
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consectetur adipiscing elit.<br><br><br>
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||
Sed sollicitudin nibh<br>
|
||
<br>
|
||
|
||
et turpis molestie tristique.</p>
|
||
''')
|
||
pre, = body_children(page)
|
||
assert pre.element_tag == 'p'
|
||
lines = pre.children
|
||
assert all(isinstance(line, boxes.LineBox) for line in lines)
|
||
assert len(lines) == 7
|
||
assert [line.height for line in lines] == [42] * 7
|
||
|
||
|
||
@SUITE.test
|
||
def test_page_breaks():
|
||
"""Test the page breaks."""
|
||
pages = parse('''
|
||
<style>
|
||
@page { -weasy-size: 100px; margin: 10px }
|
||
body { margin: 0 }
|
||
div { height: 30px; font-size: 20px; }
|
||
</style>
|
||
<div>1</div>
|
||
<div>2</div>
|
||
<div>3</div>
|
||
<div>4</div>
|
||
<div>5</div>
|
||
''')
|
||
page_divs = []
|
||
for page in pages:
|
||
divs = body_children(page)
|
||
assert all([div.element_tag == 'div' for div in divs])
|
||
assert all([div.position_x == 10 for div in divs])
|
||
page_divs.append(divs)
|
||
|
||
positions_y = [[div.position_y for div in divs] for divs in page_divs]
|
||
assert positions_y == [[10, 40], [10, 40], [10]]
|
||
|
||
# Same as above, but no content inside each <div>.
|
||
# TODO: This currently gives no page break. Should it?
|
||
# pages = parse('''
|
||
# <style>
|
||
# @page { -weasy-size: 100px; margin: 10px }
|
||
# body { margin: 0 }
|
||
# div { height: 30px }
|
||
# </style>
|
||
# <div/><div/><div/><div/><div/>
|
||
# ''')
|
||
# page_divs = []
|
||
# for page in pages:
|
||
# divs = body_children(page)
|
||
# assert all([div.element_tag == 'div' for div in divs])
|
||
# assert all([div.position_x == 10 for div in divs])
|
||
# page_divs.append(divs)
|
||
|
||
# positions_y = [[div.position_y for div in divs] for divs in page_divs]
|
||
# assert positions_y == [[10, 40], [10, 40], [10]]
|
||
|
||
page_1, page_2, page_3, page_4 = parse('''
|
||
<style>
|
||
@page { margin: 10px }
|
||
@page :left { margin-left: 50px }
|
||
@page :right { margin-right: 50px }
|
||
|
||
html { page-break-before: left }
|
||
div { page-break-after: left }
|
||
ul { page-break-before: always }
|
||
</style>
|
||
<div>1</div>
|
||
<p>2</p>
|
||
<p>3</p>
|
||
<ul><li>4</li></ul>
|
||
''')
|
||
|
||
# The first page is a right page on rtl, but not here because of
|
||
# page-break-before on the root element.
|
||
assert page_1.margin_left == 50 # left page
|
||
assert page_1.margin_right == 10
|
||
html, = page_1.children
|
||
body, = html.children
|
||
div, = body.children
|
||
line, = div.children
|
||
text, = line.children
|
||
assert div.element_tag == 'div'
|
||
assert text.text == '1'
|
||
|
||
assert page_2.margin_left == 10
|
||
assert page_2.margin_right == 50 # right page
|
||
assert not page_2.children # empty page to get to a left page
|
||
|
||
assert page_3.margin_left == 50 # left page
|
||
assert page_3.margin_right == 10
|
||
html, = page_3.children
|
||
body, = html.children
|
||
p_1, p_2 = body.children
|
||
assert p_1.element_tag == 'p'
|
||
assert p_2.element_tag == 'p'
|
||
|
||
assert page_4.margin_left == 10
|
||
assert page_4.margin_right == 50 # right page
|
||
html, = page_4.children
|
||
body, = html.children
|
||
ulist, = body.children
|
||
assert ulist.element_tag == 'ul'
|
||
|
||
|
||
@SUITE.test
|
||
def test_inlinebox_spliting():
|
||
"""Test the inline boxes spliting."""
|
||
def get_inlinebox(content):
|
||
"""Helper returning a inlinebox with customizable style."""
|
||
page = '<style>p { font-family:%(fonts)s;}</style>'
|
||
page = '%s <p>%s</p>' % (page, content)
|
||
document = parse_without_layout(page % {'fonts': FONTS})
|
||
html = document.formatting_structure
|
||
body, = html.children
|
||
paragraph, = body.children
|
||
line, = paragraph.children
|
||
inline, = line.children
|
||
paragraph.width = 200
|
||
paragraph.height = 'auto'
|
||
return document, inline, paragraph
|
||
|
||
def get_parts(document, inlinebox, width, parent):
|
||
"""Yield the parts of the splitted ``inlinebox`` of given ``width``."""
|
||
skip = None
|
||
while 1:
|
||
box, skip, _ = split_inline_box(
|
||
document, inlinebox, 0, width, skip, parent, None)
|
||
yield box
|
||
if skip is None:
|
||
break
|
||
|
||
def get_joined_text(parts):
|
||
"""Get the joined text from ``parts``."""
|
||
return ''.join(part.children[0].text for part in parts)
|
||
|
||
def test_inlinebox_spacing(inlinebox, value, side):
|
||
"""Test the margin, padding and border-width of ``inlinebox``."""
|
||
if side in ['left', 'right']:
|
||
# Vertical margins on inlines are irrelevant.
|
||
assert getattr(inlinebox, 'margin_%s' % side) == value
|
||
assert getattr(inlinebox, 'padding_%s' % side) == value
|
||
assert getattr(inlinebox, 'border_%s_width' % side) == value
|
||
|
||
content = '''<strong>WeasyPrint is a free software visual rendering engine
|
||
for HTML and CSS</strong>'''
|
||
|
||
document, inlinebox, parent = get_inlinebox(content)
|
||
resolve_percentages(inlinebox, parent)
|
||
original_text = inlinebox.children[0].text
|
||
|
||
# test with width = 1000
|
||
parts = list(get_parts(document, inlinebox, 1000, parent))
|
||
assert len(parts) == 1
|
||
assert original_text == get_joined_text(parts)
|
||
|
||
document, inlinebox, parent = get_inlinebox(content)
|
||
resolve_percentages(inlinebox, parent)
|
||
original_text = inlinebox.children[0].text
|
||
|
||
# test with width = 100
|
||
parts = list(get_parts(document, inlinebox, 100, parent))
|
||
assert len(parts) > 1
|
||
assert original_text == get_joined_text(parts)
|
||
|
||
document, inlinebox, parent = get_inlinebox(content)
|
||
resolve_percentages(inlinebox, parent)
|
||
original_text = inlinebox.children[0].text
|
||
|
||
# test with width = 10
|
||
parts = list(get_parts(document, inlinebox, 10, parent))
|
||
assert len(parts) > 1
|
||
assert original_text == get_joined_text(parts)
|
||
|
||
# test with width = 0
|
||
parts = list(get_parts(document, inlinebox, 0, parent))
|
||
assert len(parts) > 1
|
||
assert original_text == get_joined_text(parts)
|
||
|
||
# with margin-border-padding
|
||
content = '''<strong style="border:10px solid; margin:10px; padding:10px">
|
||
WeasyPrint is a free software visual rendering engine
|
||
for HTML and CSS</strong>'''
|
||
|
||
document, inlinebox, parent = get_inlinebox(content)
|
||
resolve_percentages(inlinebox, parent)
|
||
original_text = inlinebox.children[0].text
|
||
# test with width = 1000
|
||
parts = list(get_parts(document, inlinebox, 1000, parent))
|
||
assert len(parts) == 1
|
||
assert original_text == get_joined_text(parts)
|
||
for side in ('left', 'top', 'bottom', 'right'):
|
||
test_inlinebox_spacing(parts[0], 10, side)
|
||
|
||
document, inlinebox, parent = get_inlinebox(content)
|
||
resolve_percentages(inlinebox, parent)
|
||
original_text = inlinebox.children[0].text
|
||
|
||
# test with width = 1000
|
||
parts = list(get_parts(document, inlinebox, 100, parent))
|
||
assert len(parts) != 1
|
||
assert original_text == get_joined_text(parts)
|
||
first_inline_box = parts.pop(0)
|
||
test_inlinebox_spacing(first_inline_box, 10, 'left')
|
||
test_inlinebox_spacing(first_inline_box, 0, 'right')
|
||
last_inline_box = parts.pop()
|
||
test_inlinebox_spacing(last_inline_box, 10, 'right')
|
||
test_inlinebox_spacing(last_inline_box, 0, 'left')
|
||
for part in parts:
|
||
test_inlinebox_spacing(part, 0, 'right')
|
||
test_inlinebox_spacing(part, 0, 'left')
|
||
|
||
|
||
@SUITE.test
|
||
def test_inlinebox_text_after_spliting():
|
||
"""Test the inlinebox text after spliting."""
|
||
document = parse_without_layout('''
|
||
<style>p { width: 200px; font-family:%(fonts)s;}</style>
|
||
<p><strong><em><em><em>
|
||
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
|
||
</em></em></em></strong></p>
|
||
''' % {'fonts': FONTS})
|
||
html = document.formatting_structure
|
||
body, = html.children
|
||
paragraph, = body.children
|
||
line, = paragraph.children
|
||
inlinebox, = line.children
|
||
paragraph.width = 200
|
||
paragraph.height = 'auto'
|
||
resolve_percentages(inlinebox, paragraph)
|
||
|
||
original_text = ''.join(
|
||
part.text for part in inlinebox.descendants()
|
||
if isinstance(part, boxes.TextBox))
|
||
|
||
# test with width = 10
|
||
parts = []
|
||
skip = None
|
||
while 1:
|
||
box, skip, _ = split_inline_box(
|
||
document, inlinebox, 0, 100, skip, paragraph, None)
|
||
parts.append(box)
|
||
if skip is None:
|
||
break
|
||
assert len(parts) > 2
|
||
assert ''.join(
|
||
child.text
|
||
for part in parts
|
||
for child in part.descendants()
|
||
if isinstance(child, boxes.TextBox)
|
||
) == original_text
|
||
|
||
|
||
@SUITE.test
|
||
def test_page_and_linebox_breaking():
|
||
"""Test the linebox text after spliting linebox and page."""
|
||
# The empty <span/> tests a corner case
|
||
# in skip_first_whitespace()
|
||
pages = parse('''
|
||
<style>
|
||
div { font-family:%(fonts)s; font-size:22px}
|
||
@page { -weasy-size: 100px; margin:2px; border:1px solid }
|
||
body { margin: 0 }
|
||
</style>
|
||
<div><span/>1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15</div>
|
||
''' % {'fonts': FONTS})
|
||
|
||
texts = []
|
||
for page in pages:
|
||
html, = page.children
|
||
body, = html.children
|
||
div, = body.children
|
||
lines = div.children
|
||
for line in lines:
|
||
line_texts = []
|
||
for child in line.descendants():
|
||
if isinstance(child, boxes.TextBox):
|
||
line_texts.append(child.text)
|
||
texts.append(''.join(line_texts))
|
||
|
||
assert len(pages) == 2
|
||
assert ' '.join(texts) == \
|
||
'1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15'
|
||
|
||
|
||
@SUITE.test
|
||
def test_whitespace_processing():
|
||
"""Test various spaces and tabulations processing."""
|
||
for source in ['a', ' a ', ' \n \ta', ' a\t ']:
|
||
page, = parse('<p><em>%s</em></p>' % source)
|
||
html, = page.children
|
||
body, = html.children
|
||
p, = body.children
|
||
line, = p.children
|
||
em, = line.children
|
||
text, = em.children
|
||
assert text.text == 'a', 'source was %r' % (source,)
|
||
|
||
page, = parse('<p style="white-space: pre-line">\n\n<em>%s</em></pre>'
|
||
% source.replace('\n', ' '))
|
||
html, = page.children
|
||
body, = html.children
|
||
p, = body.children
|
||
_line1, _line2, line3 = p.children
|
||
em, = line3.children
|
||
text, = em.children
|
||
assert text.text == 'a', 'source was %r' % (source,)
|
||
|
||
|
||
@SUITE.test
|
||
def test_with_images():
|
||
"""Test that width, height and ratio of images are respected."""
|
||
# Try a few image formats
|
||
for url in ['pattern.png', 'pattern.gif', 'pattern.jpg', 'pattern.svg',
|
||
"data:image/svg+xml,<svg width='4' height='4'></svg>",
|
||
"data:image/svg+xml,<svg width='4px' height='4px'></svg>",
|
||
]:
|
||
page, = parse('<img src="%s">' % url)
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
img, = line.children
|
||
assert img.width == 4
|
||
assert img.height == 4
|
||
|
||
# With physical units
|
||
url = "data:image/svg+xml,<svg width='2.54cm' height='0.5in'></svg>"
|
||
page, = parse('<img src="%s">' % url)
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
img, = line.children
|
||
assert img.width == 96
|
||
assert img.height == 48
|
||
|
||
# Invalid images
|
||
for url in [
|
||
'inexistant.png',
|
||
'unknownprotocol://weasyprint.org/foo.png',
|
||
'data:image/unknowntype,Not an image',
|
||
# zero-byte images
|
||
'data:image/png,',
|
||
'data:image/jpeg,',
|
||
'data:image/svg+xml,',
|
||
# Incorrect format
|
||
'data:image/png,Not a PNG',
|
||
'data:image/jpeg,Not a JPEG',
|
||
'data:image/svg+xml,<svg>invalid xml',
|
||
]:
|
||
with capture_logs() as logs:
|
||
page, = parse("<p><img src='%s' alt='invalid image'>" % url)
|
||
assert len(logs) == 1
|
||
if url.startswith('data:'):
|
||
assert 'WARNING: Error while parsing an image' in logs[0]
|
||
else:
|
||
assert 'WARNING: Error while fetching an image' in logs[0]
|
||
html, = page.children
|
||
body, = html.children
|
||
paragraph, = body.children
|
||
line, = paragraph.children
|
||
img, = line.children
|
||
text, = img.children
|
||
assert text.text == 'invalid image', url
|
||
|
||
# Layout rules try to preserve the ratio, so the height should be 40px too:
|
||
page, = parse('<img src="pattern.png" style="width: 40px">')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
img, = line.children
|
||
assert body.height == 40
|
||
assert img.position_y == 0
|
||
assert img.width == 40
|
||
assert img.height == 40
|
||
|
||
page, = parse('''
|
||
<img src="pattern.png" style="width: 40px">
|
||
<img src="pattern.png" style="width: 60px">
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
img_1, img_2 = line.children
|
||
assert body.height == 60
|
||
assert img_1.width == 40
|
||
assert img_1.height == 40
|
||
assert img_2.width == 60
|
||
assert img_2.height == 60
|
||
assert img_1.position_y == 20
|
||
assert img_2.position_y == 0
|
||
|
||
|
||
@SUITE.test
|
||
def test_vertical_align():
|
||
"""Test various values of vertical-align."""
|
||
"""
|
||
+-------+ <- position_y = 0
|
||
+-----+ |
|
||
40px | | | 60px
|
||
| | |
|
||
+-----+-------+ <- baseline
|
||
"""
|
||
page, = parse('''
|
||
<span>
|
||
<img src="pattern.png" style="width: 40px">
|
||
<img src="pattern.png" style="width: 60px">
|
||
</span>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
span, = line.children
|
||
img_1, img_2 = span.children
|
||
assert img_1.height == 40
|
||
assert img_2.height == 60
|
||
assert img_1.position_y == 20
|
||
assert img_2.position_y == 0
|
||
# 60px + the descent of the font below the baseline
|
||
assert 60 < line.height < 70
|
||
assert body.height == line.height
|
||
|
||
"""
|
||
+-------+ <- position_y = 0
|
||
35px | |
|
||
+-----+ | 60px
|
||
40px | | |
|
||
| +-------+ <- baseline
|
||
+-----+ 15px
|
||
|
||
"""
|
||
page, = parse('''
|
||
<span>
|
||
<img src="pattern.png" style="width: 40px; vertical-align: -15px">
|
||
<img src="pattern.png" style="width: 60px">
|
||
</span>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
span, = line.children
|
||
img_1, img_2 = span.children
|
||
assert img_1.height == 40
|
||
assert img_2.height == 60
|
||
assert img_1.position_y == 35
|
||
assert img_2.position_y == 0
|
||
assert line.height == 75
|
||
assert body.height == line.height
|
||
|
||
# Same as previously, but with percentages
|
||
page, = parse('''
|
||
<span style="line-height: 10px">
|
||
<img src="pattern.png" style="width: 40px; vertical-align: -150%">
|
||
<img src="pattern.png" style="width: 60px">
|
||
</span>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
span, = line.children
|
||
img_1, img_2 = span.children
|
||
assert img_1.height == 40
|
||
assert img_2.height == 60
|
||
assert img_1.position_y == 35
|
||
assert img_2.position_y == 0
|
||
assert line.height == 75
|
||
assert body.height == line.height
|
||
|
||
# Same again, but have the vertical-align on an inline box.
|
||
page, = parse('''
|
||
<span style="line-height: 10px">
|
||
<span style="line-height: 10px; vertical-align: -15px">
|
||
<img src="pattern.png" style="width: 40px">
|
||
</span>
|
||
<img src="pattern.png" style="width: 60px">
|
||
</span>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
span_1, = line.children
|
||
span_2, _whitespace, img_1 = span_1.children
|
||
img_1, = span_2.children
|
||
assert img_1.height == 40
|
||
assert img_2.height == 60
|
||
assert img_1.position_y == 35
|
||
assert img_2.position_y == 0
|
||
assert line.height == 75
|
||
assert body.height == line.height
|
||
|
||
# Same as previously, but with percentages
|
||
page, = parse('''
|
||
<span style="line-height: 12px; font-size: 12px">
|
||
<img src="pattern.png" style="width: 40px; vertical-align: middle">
|
||
<img src="pattern.png" style="width: 60px">
|
||
</span>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
span, = line.children
|
||
img_1, img_2 = span.children
|
||
assert img_1.height == 40
|
||
assert img_2.height == 60
|
||
# middle of the image (position_y + 20) is at half the ex-height above
|
||
# the baseline of the parent. Currently the ex-height is 0.5em
|
||
# TODO: update this when we actually get ex form the font metrics
|
||
assert img_1.position_y == 37 # 60 - 0.5 * 0.5 * font-size - 40/2
|
||
assert img_2.position_y == 0
|
||
assert line.height == 77
|
||
assert body.height == line.height
|
||
|
||
# sup and sub currently mean +/- 0.5 em
|
||
# With the initial 16px font-size, that’s 8px.
|
||
page, = parse('''
|
||
<span style="line-height: 10px">
|
||
<img src="pattern.png" style="width: 60px">
|
||
<img src="pattern.png" style="width: 40px; vertical-align: super">
|
||
<img src="pattern.png" style="width: 40px; vertical-align: sub">
|
||
</span>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
span, = line.children
|
||
img_1, img_2, img_3 = span.children
|
||
assert img_1.height == 60
|
||
assert img_2.height == 40
|
||
assert img_3.height == 40
|
||
assert img_1.position_y == 0
|
||
assert img_2.position_y == 12 # 20 - 16 * 0.5
|
||
assert img_3.position_y == 28 # 20 + 16 * 0.5
|
||
assert line.height == 68
|
||
assert body.height == line.height
|
||
|
||
# Pango gives a height of 19px for font-size of 16px
|
||
page, = parse('''
|
||
<span style="line-height: 10px">
|
||
<img src="pattern.png" style="vertical-align: text-top">
|
||
<img src="pattern.png" style="vertical-align: text-bottom">
|
||
</span>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
span, = line.children
|
||
img_1, img_2 = span.children
|
||
assert img_1.height == 4
|
||
assert img_2.height == 4
|
||
assert img_1.position_y == 0
|
||
assert img_2.position_y == 15 # 19 - 4
|
||
assert line.height == 19
|
||
assert body.height == line.height
|
||
|
||
# This case used to cause an exception:
|
||
# The second span has no children but should count for line heights
|
||
# since it has padding.
|
||
page, = parse('<span><span style="padding: 1px"></span></span>')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
span_1, = line.children
|
||
span_2, = span_1.children
|
||
assert span_1.height == 19
|
||
assert span_2.height == 19
|
||
|
||
|
||
@SUITE.test
|
||
def test_text_align_left():
|
||
"""Test the left text alignment."""
|
||
|
||
"""
|
||
<--------------------> page, body
|
||
+-----+
|
||
+---+ |
|
||
| | |
|
||
+---+-----+
|
||
|
||
^ ^ ^ ^
|
||
x=0 x=40 x=100 x=200
|
||
"""
|
||
page, = parse('''
|
||
<style>
|
||
@page { -weasy-size: 200px }
|
||
</style>
|
||
<body>
|
||
<img src="pattern.png" style="width: 40px">
|
||
<img src="pattern.png" style="width: 60px">
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
img_1, img_2 = line.children
|
||
# initial value for text-align: left (in ltr text)
|
||
assert img_1.position_x == 0
|
||
assert img_2.position_x == 40
|
||
|
||
|
||
@SUITE.test
|
||
def test_text_align_right():
|
||
"""Test the right text alignment."""
|
||
|
||
"""
|
||
<--------------------> page, body
|
||
+-----+
|
||
+---+ |
|
||
| | |
|
||
+---+-----+
|
||
|
||
^ ^ ^ ^
|
||
x=0 x=100 x=200
|
||
x=140
|
||
"""
|
||
page, = parse('''
|
||
<style>
|
||
@page { -weasy-size: 200px }
|
||
body { text-align: right }
|
||
</style>
|
||
<body>
|
||
<img src="pattern.png" style="width: 40px">
|
||
<img src="pattern.png" style="width: 60px">
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
img_1, img_2 = line.children
|
||
assert img_1.position_x == 100 # 200 - 60 - 40
|
||
assert img_2.position_x == 140 # 200 - 60
|
||
|
||
|
||
@SUITE.test
|
||
def test_text_align_center():
|
||
"""Test the center text alignment."""
|
||
|
||
"""
|
||
<--------------------> page, body
|
||
+-----+
|
||
+---+ |
|
||
| | |
|
||
+---+-----+
|
||
|
||
^ ^ ^ ^
|
||
x= x=50 x=150
|
||
x=90
|
||
"""
|
||
page, = parse('''
|
||
<style>
|
||
@page { -weasy-size: 200px }
|
||
body { text-align: center }
|
||
</style>
|
||
<body>
|
||
<img src="pattern.png" style="width: 40px">
|
||
<img src="pattern.png" style="width: 60px">
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
img_1, img_2 = line.children
|
||
assert img_1.position_x == 50
|
||
assert img_2.position_x == 90
|
||
|
||
|
||
@SUITE.test
|
||
def test_text_align_justify():
|
||
"""Test justified text."""
|
||
page, = parse('''
|
||
<style>
|
||
@page { -weasy-size: 300px 1000px }
|
||
body { text-align: justify }
|
||
</style>
|
||
<p><img src="pattern.png" style="width: 40px"> 
|
||
<strong>
|
||
<img src="pattern.png" style="width: 60px"> 
|
||
<img src="pattern.png" style="width: 10px"> 
|
||
<img src="pattern.png" style="width: 100px">
|
||
</strong><img src="pattern.png" style="width: 290px">
|
||
<!-- Last image will be on its own line. -->
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
paragraph, = body.children
|
||
line_1, line_2 = paragraph.children
|
||
image_1, space_1, strong = line_1.children
|
||
image_2, space_2, image_3, space_3, image_4 = strong.children
|
||
image_5, = line_2.children
|
||
assert space_1.text == ' '
|
||
assert space_2.text == ' '
|
||
assert space_3.text == ' '
|
||
|
||
assert image_1.position_x == 0
|
||
assert space_1.position_x == 40
|
||
assert strong.position_x == 70
|
||
assert image_2.position_x == 70
|
||
assert space_2.position_x == 130
|
||
assert image_3.position_x == 160
|
||
assert space_3.position_x == 170
|
||
assert image_4.position_x == 200
|
||
assert strong.width == 230
|
||
|
||
assert image_5.position_x == 0
|
||
|
||
|
||
@SUITE.test
|
||
def test_word_spacing():
|
||
"""Test word-spacing."""
|
||
# keep the empty <style> as a regression test: element.text is None
|
||
# (Not a string.)
|
||
page, = parse('''
|
||
<style></style>
|
||
<body><strong>Lorem ipsum dolor<em>sit amet</em></strong>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
strong_1, = line.children
|
||
assert 200 <= strong_1.width <= 250
|
||
|
||
# TODO: Pango gives only half of word-spacing to a space at the end
|
||
# of a TextBox. Is this what we want?
|
||
page, = parse('''
|
||
<style>strong { word-spacing: 11px }</style>
|
||
<body><strong>Lorem ipsum dolor<em>sit amet</em></strong>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
strong_2, = line.children
|
||
assert strong_2.width - strong_1.width == 33
|
||
|
||
|
||
@SUITE.test
|
||
def test_letter_spacing():
|
||
"""Test letter-spacing."""
|
||
page, = parse('''
|
||
<body><strong>Supercalifragilisticexpialidocious></strong>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
strong_1, = line.children
|
||
assert 280 <= strong_1.width <= 310
|
||
|
||
page, = parse('''
|
||
<style>strong { letter-spacing: 11px }</style>
|
||
<body><strong>Supercalifragilisticexpialidocious></strong>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
strong_2, = line.children
|
||
assert strong_2.width - strong_1.width == 34 * 11
|
||
|
||
|
||
@SUITE.test
|
||
def test_text_indent():
|
||
"""Test the text-indent property."""
|
||
for indent in ['12px', '6%']: # 6% of 200px is 12px
|
||
page, = parse('''
|
||
<style>
|
||
@page { -weasy-size: 220px }
|
||
body { margin: 10px; text-indent: %(indent)s }
|
||
</style>
|
||
<p>Some text that is long enough that it take at least three line,
|
||
but maybe more.
|
||
''' % {'indent': indent})
|
||
html, = page.children
|
||
body, = html.children
|
||
paragraph, = body.children
|
||
lines = paragraph.children
|
||
text_1, = lines[0].children
|
||
text_2, = lines[1].children
|
||
text_3, = lines[2].children
|
||
assert text_1.position_x == 22 # 10px margin-left + 12px indent
|
||
assert text_2.position_x == 10 # No indent
|
||
assert text_3.position_x == 10 # No indent
|
||
|
||
|
||
@SUITE.test
|
||
def test_inline_replaced_auto_margins():
|
||
"""Test that auto margins are ignored for inline replaced boxes."""
|
||
page, = parse('''
|
||
<style>
|
||
@page { -weasy-size: 200px }
|
||
img { display: inline; margin: auto; width: 50px }
|
||
</style>
|
||
<body>
|
||
<img src="pattern.png" />
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
line, = body.children
|
||
img, = line.children
|
||
assert img.margin_top == 0
|
||
assert img.margin_right == 0
|
||
assert img.margin_bottom == 0
|
||
assert img.margin_left == 0
|
||
|
||
|
||
@SUITE.test
|
||
def test_empty_inline_auto_margins():
|
||
"""Test that horizontal auto margins are ignored for empty inline boxes."""
|
||
page, = parse('''
|
||
<style>
|
||
@page { -weasy-size: 200px }
|
||
span { margin: auto }
|
||
</style>
|
||
<body><span></span>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
block, = body.children
|
||
span, = block.children
|
||
assert span.margin_top != 0
|
||
assert span.margin_right == 0
|
||
assert span.margin_bottom != 0
|
||
assert span.margin_left == 0
|
||
|
||
|
||
@SUITE.test
|
||
def test_box_sizing():
|
||
"""Test the box-sizing property.
|
||
|
||
http://www.w3.org/TR/css3-ui/#box-sizing
|
||
|
||
"""
|
||
page, = parse('''
|
||
<style>
|
||
@page { -weasy-size: 100000px }
|
||
body { width: 10000px; margin: 0 }
|
||
div { width: 10%; height: 1000px;
|
||
margin: 100px; padding: 10px; border: 1px solid }
|
||
div+div { box-sizing: border-box }
|
||
</style>
|
||
<div></div><div></div>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
div_1, div_2 = body.children
|
||
assert div_1.width == 1000
|
||
assert div_1.height == 1000
|
||
assert div_1.border_width() == 1022
|
||
assert div_1.border_height() == 1022
|
||
assert div_1.margin_height() == 1222
|
||
# Do not test margin_width as it depends on the containing block
|
||
|
||
assert div_2.width == 978 # 1000 - 22
|
||
assert div_2.height == 978
|
||
assert div_2.border_width() == 1000
|
||
assert div_2.border_height() == 1000
|
||
assert div_2.margin_height() == 1200
|
||
|
||
|
||
@SUITE.test
|
||
def test_table_column_width():
|
||
source = '''
|
||
<style>
|
||
body { width: 20000px; margin: 0 }
|
||
table { width: 10000px; margin: 0 auto; border-spacing: 100px 0 }
|
||
td { border: 10px solid; padding: 1px }
|
||
</style>
|
||
<table>
|
||
<col style="width: 10%">
|
||
<tr>
|
||
<td style="width: 30%" colspan=3>
|
||
<td>
|
||
</tr>
|
||
<tr>
|
||
<td>
|
||
<td>
|
||
<td>
|
||
<td>
|
||
</tr>
|
||
<tr>
|
||
<td>
|
||
<td colspan=12>This cell will be truncated to grid width
|
||
<td>This cell will be removed as it is beyond the grid width
|
||
</tr>
|
||
</table>
|
||
'''
|
||
with capture_logs() as logs:
|
||
page, = parse(source)
|
||
assert len(logs) == 1
|
||
assert logs[0] == ('WARNING: This table row has more columns than '
|
||
'the table, ignored 1 cells: (<TableCellBox td 22>,)')
|
||
html, = page.children
|
||
body, = html.children
|
||
wrapper, = body.children
|
||
table, = wrapper.children
|
||
row_group, = table.children
|
||
first_row, second_row, third_row = row_group.children
|
||
cells = [first_row.children, second_row.children, third_row.children]
|
||
assert len(first_row.children) == 2
|
||
assert len(second_row.children) == 4
|
||
# Third cell here is completly removed
|
||
assert len(third_row.children) == 2
|
||
|
||
assert body.position_x == 0
|
||
assert wrapper.position_x == 0
|
||
assert wrapper.margin_left == 5000
|
||
assert wrapper.content_box_x() == 5000 # auto margin-left
|
||
assert wrapper.width == 10000
|
||
assert table.position_x == 5000
|
||
assert table.width == 10000
|
||
assert row_group.position_x == 5100 # 5000 + border_spacing
|
||
assert row_group.width == 9800 # 10000 - 2*border-spacing
|
||
assert first_row.position_x == row_group.position_x
|
||
assert first_row.width == row_group.width
|
||
|
||
# This cell has colspan=3
|
||
assert cells[0][0].position_x == 5100 # 5000 + border-spacing
|
||
# `width` on a cell sets the content width
|
||
assert cells[0][0].width == 3000 # 30% of 10000px
|
||
assert cells[0][0].border_width() == 3022 # 3000 + borders + padding
|
||
|
||
# Second cell of the first line, but on the fourth and last column
|
||
assert cells[0][1].position_x == 8222 # 5100 + 3022 + border-spacing
|
||
assert cells[0][1].border_width() == 6678 # 10000 - 3022 - 3*100
|
||
assert cells[0][1].width == 6656 # 6678 - borders - padding
|
||
|
||
assert cells[1][0].position_x == 5100 # 5000 + border-spacing
|
||
# `width` on a column sets the border width of cells
|
||
assert cells[1][0].border_width() == 1000 # 10% of 10000px
|
||
assert cells[1][0].width == 978 # 1000 - borders - padding
|
||
|
||
assert cells[1][1].position_x == 6200 # 5100 + 1000 + border-spacing
|
||
assert cells[1][1].border_width() == 911 # (3022 - 1000 - 2*100) / 2
|
||
assert cells[1][1].width == 889 # 911 - borders - padding
|
||
|
||
assert cells[1][2].position_x == 7211 # 6200 + 911 + border-spacing
|
||
assert cells[1][2].border_width() == 911 # (3022 - 1000 - 2*100) / 2
|
||
assert cells[1][2].width == 889 # 911 - borders - padding
|
||
|
||
# Same as cells[0][1]
|
||
assert cells[1][3].position_x == 8222 # Also 7211 + 911 + border-spacing
|
||
assert cells[1][3].border_width() == 6678
|
||
assert cells[1][3].width == 6656
|
||
|
||
# Same as cells[1][0]
|
||
assert cells[2][0].position_x == 5100
|
||
assert cells[2][0].border_width() == 1000
|
||
assert cells[2][0].width == 978
|
||
|
||
assert cells[2][1].position_x == 6200 # Same as cells[1][1]
|
||
assert cells[2][1].border_width() == 8700 # 1000 - 1000 - 3*border-spacing
|
||
assert cells[2][1].width == 8678 # 8700 - borders - padding
|
||
assert cells[2][1].colspan == 3 # truncated to grid width
|
||
|
||
page, = parse('''
|
||
<style>
|
||
table { width: 1000px; border-spacing: 100px }
|
||
</style>
|
||
<table>
|
||
<tr>
|
||
<td style="width: 50%">
|
||
<td style="width: 60%">
|
||
<td>
|
||
</tr>
|
||
</table>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
wrapper, = body.children
|
||
table, = wrapper.children
|
||
row_group, = table.children
|
||
row, = row_group.children
|
||
assert row.children[0].width == 500
|
||
assert row.children[1].width == 600
|
||
assert row.children[2].width == 0
|
||
assert table.width == 1500 # 500 + 600 + 4 * border-spacing
|
||
|
||
|
||
# Sum of columns width larger that the table width:
|
||
# increase the table width
|
||
for body_width, table_width in [('auto', '1000px'), ('1000px', 'auto')]:
|
||
page, = parse('''
|
||
<style>
|
||
body { width: %(body_width)s }
|
||
table { width: %(table_width)s; border-spacing: 100px }
|
||
td { width: %(td_width)s }
|
||
</style>
|
||
<table>
|
||
<tr>
|
||
<td>
|
||
<td>
|
||
</tr>
|
||
</table>
|
||
''' % {'body_width': body_width, 'table_width': table_width,
|
||
'td_width': '60%'})
|
||
html, = page.children
|
||
body, = html.children
|
||
wrapper, = body.children
|
||
table, = wrapper.children
|
||
row_group, = table.children
|
||
row, = row_group.children
|
||
cell_1, cell_2 = row.children
|
||
assert cell_1.width == 600 # 60% of 1000px
|
||
assert cell_2.width == 600
|
||
assert table.width == 1500 # 600 + 600 + 3*border-spacing
|
||
assert wrapper.width == table.width
|
||
|
||
|
||
@SUITE.test
|
||
def test_table_row_height():
|
||
page, = parse('''
|
||
<table style="width: 1000px; border-spacing: 0 100px;
|
||
font: 20px/1em serif; margin: 3px">
|
||
<tr>
|
||
<td rowspan=0 style="height: 420px; vertical-align: top">
|
||
<td>X<br>X<br>X
|
||
<td><div style="margin-top: 20px">X</div>
|
||
<td style="vertical-align: top">X
|
||
<td style="vertical-align: middle">X
|
||
<td style="vertical-align: bottom">X
|
||
</tr>
|
||
<tr>
|
||
<!-- cells with no text (no line boxes) is a corner case
|
||
in cell baselines -->
|
||
<td style="padding: 15px"></td>
|
||
<td><div style="height: 10px"></div></td>
|
||
</tr>
|
||
<tr></tr>
|
||
<tr>
|
||
<td style="vertical-align: bottom">
|
||
</tr>
|
||
</table>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
wrapper, = body.children
|
||
table, = wrapper.children
|
||
row_group, = table.children
|
||
|
||
assert wrapper.position_y == 0
|
||
assert table.position_y == 3 # 0 + margin-top
|
||
assert table.height == 620 # sum of row heigths + 5*border-spacing
|
||
assert wrapper.height == table.height
|
||
assert row_group.position_y == 103 # 3 + border-spacing
|
||
assert row_group.height == 420 # 620 - 2*border-spacing
|
||
assert [row.height for row in row_group.children] == [
|
||
80, 30, 0, 10]
|
||
assert [row.position_y for row in row_group.children] == [
|
||
# cumulative sum of previous row heights and border-spacings
|
||
103, 283, 413, 513]
|
||
assert [[cell.height for cell in row.children]
|
||
for row in row_group.children] == [
|
||
[420, 60, 40, 20, 20, 20],
|
||
[0, 10],
|
||
[],
|
||
[0]
|
||
]
|
||
assert [[cell.border_height() for cell in row.children]
|
||
for row in row_group.children] == [
|
||
[420, 80, 80, 80, 80, 80],
|
||
[30, 30],
|
||
[],
|
||
[10]
|
||
]
|
||
# The baseline of the first row is at 40px because of the third column.
|
||
# The second column thus gets a top padding of 20px pushes the bottom
|
||
# to 80px.The middle is at 40px.
|
||
assert [[cell.padding_top for cell in row.children]
|
||
for row in row_group.children] == [
|
||
[0, 20, 0, 0, 30, 60],
|
||
[15, 5],
|
||
[],
|
||
[10]
|
||
]
|
||
assert [[cell.padding_bottom for cell in row.children]
|
||
for row in row_group.children] == [
|
||
[0, 0, 40, 60, 30, 0],
|
||
[15, 15],
|
||
[],
|
||
[0]
|
||
]
|
||
assert [[cell.position_y for cell in row.children]
|
||
for row in row_group.children] == [
|
||
[103, 103, 103, 103, 103, 103],
|
||
[283, 283],
|
||
[],
|
||
[513]
|
||
]
|
||
|
||
|
||
@SUITE.test
|
||
def test_table_wrapper():
|
||
page, = parse('''
|
||
<style>
|
||
@page { -weasy-size: 1000px }
|
||
table { /* width: auto; */ height: 500px;
|
||
padding: 1px; border: 10px solid; margin: 100px; }
|
||
</style>
|
||
<table></table>
|
||
''')
|
||
html, = page.children
|
||
body, = html.children
|
||
wrapper, = body.children
|
||
table, = wrapper.children
|
||
assert body.width == 1000
|
||
assert wrapper.margin_width() == 1000
|
||
assert wrapper.width == 800 # 1000 - 2*100, no borders or padding
|
||
assert table.margin_width() == 800
|
||
assert table.width == 778 # 800 - 2*10 - 2*1, no margin
|
||
# box-sizing in the UA stylesheet makes `height: 500px` set this
|
||
assert table.border_height() == 500
|
||
assert table.height == 478 # 500 - 2*10 - 2*1
|
||
assert table.margin_height() == 500 # no margin
|
||
assert wrapper.height == 500
|
||
assert wrapper.margin_height() == 700 # 500 + 2*100
|
||
|
||
# Non-regression test: this used to cause an exception
|
||
page, = parse('<html style="display: table">')
|
||
|
||
|
||
@SUITE.test
|
||
def test_margin_boxes_fixed_dimension():
|
||
# Corner boxes
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
@top-left-corner {
|
||
content: 'top_left';
|
||
padding: 10px;
|
||
}
|
||
@top-right-corner {
|
||
content: 'top_right';
|
||
padding: 10px;
|
||
}
|
||
@bottom-left-corner {
|
||
content: 'bottom_left';
|
||
padding: 10px;
|
||
}
|
||
@bottom-right-corner {
|
||
content: 'bottom_right';
|
||
padding: 10px;
|
||
}
|
||
|
||
-weasy-size: 1000px;
|
||
margin-top: 10%;
|
||
margin-bottom: 40%;
|
||
margin-left: 20%;
|
||
margin-right: 30%;
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right, bottom_left, bottom_right = page.children
|
||
for margin_box, text in zip(
|
||
[top_left, top_right, bottom_left, bottom_right],
|
||
['top_left', 'top_right', 'bottom_left', 'bottom_right']):
|
||
|
||
line, = margin_box.children
|
||
text, = line.children
|
||
assert text == text
|
||
|
||
# Check positioning and Rule 1 for fixed dimensions
|
||
assert top_left.position_x == 0
|
||
assert top_left.position_y == 0
|
||
assert top_left.margin_width() == 200 # margin-left
|
||
assert top_left.margin_height() == 100 # margin-top
|
||
|
||
assert top_right.position_x == 700 # size-x - margin-right
|
||
assert top_right.position_y == 0
|
||
assert top_right.margin_width() == 300 # margin-right
|
||
assert top_right.margin_height() == 100 # margin-top
|
||
|
||
assert bottom_left.position_x == 0
|
||
assert bottom_left.position_y == 600 # size-y - margin-bottom
|
||
assert bottom_left.margin_width() == 200 # margin-left
|
||
assert bottom_left.margin_height() == 400 # margin-bottom
|
||
|
||
assert bottom_right.position_x == 700 # size-x - margin-right
|
||
assert bottom_right.position_y == 600 # size-y - margin-bottom
|
||
assert bottom_right.margin_width() == 300 # margin-right
|
||
assert bottom_right.margin_height() == 400 # margin-bottom
|
||
|
||
# Test rules 2 and 3
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
margin: 100px 200px;
|
||
@bottom-left-corner {
|
||
content: "";
|
||
margin: 60px
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, margin_box = page.children
|
||
assert margin_box.margin_width() == 200
|
||
assert margin_box.margin_left == 60
|
||
assert margin_box.margin_right == 60
|
||
assert margin_box.width == 80 # 200 - 60 - 60
|
||
|
||
assert margin_box.margin_height() == 100
|
||
# total was too big, the outside margin was ignored:
|
||
assert margin_box.margin_top == 60
|
||
assert margin_box.margin_bottom == 40 # Not 60
|
||
assert margin_box.height == 0 # But not negative
|
||
|
||
# Test rule 3 with a non-auto inner dimension
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
margin: 100px;
|
||
@left-middle {
|
||
content: "";
|
||
margin: 10px;
|
||
width: 130px;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, margin_box = page.children
|
||
assert margin_box.margin_width() == 100
|
||
assert margin_box.margin_left == -40 # Not 10px
|
||
assert margin_box.margin_right == 10
|
||
assert margin_box.width == 130 # As specified
|
||
|
||
# Test rule 4
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
margin: 100px;
|
||
@left-bottom {
|
||
content: "";
|
||
margin-left: 10px;
|
||
margin-right: auto;
|
||
width: 70px;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, margin_box = page.children
|
||
assert margin_box.margin_width() == 100
|
||
assert margin_box.margin_left == 10 # 10px this time, no over-constrain
|
||
assert margin_box.margin_right == 20
|
||
assert margin_box.width == 70 # As specified
|
||
|
||
# Test rules 2, 3 and 4
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
margin: 100px;
|
||
@right-top {
|
||
content: "";
|
||
margin-right: 10px;
|
||
margin-left: auto;
|
||
width: 130px;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, margin_box = page.children
|
||
assert margin_box.margin_width() == 100
|
||
assert margin_box.margin_left == 0 # rule 2
|
||
assert margin_box.margin_right == -30 # rule 3, after rule 2
|
||
assert margin_box.width == 130 # As specified
|
||
|
||
# Test rule 5
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
margin: 100px;
|
||
@top-left {
|
||
content: "";
|
||
margin-top: 10px;
|
||
margin-bottom: auto;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, margin_box = page.children
|
||
assert margin_box.margin_height() == 100
|
||
assert margin_box.margin_top == 10
|
||
assert margin_box.margin_bottom == 0
|
||
assert margin_box.height == 90
|
||
|
||
# Test rule 5
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
margin: 100px;
|
||
@top-center {
|
||
content: "";
|
||
margin: auto 0;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, margin_box = page.children
|
||
assert margin_box.margin_height() == 100
|
||
assert margin_box.margin_top == 0
|
||
assert margin_box.margin_bottom == 0
|
||
assert margin_box.height == 100
|
||
|
||
# Test rule 6
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
margin: 100px;
|
||
@bottom-right {
|
||
content: "";
|
||
margin: auto;
|
||
height: 70px;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, margin_box = page.children
|
||
assert margin_box.margin_height() == 100
|
||
assert margin_box.margin_top == 15
|
||
assert margin_box.margin_bottom == 15
|
||
assert margin_box.height == 70
|
||
|
||
# Rule 2 inhibits rule 6
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
margin: 100px;
|
||
@bottom-center {
|
||
content: "";
|
||
margin: auto 0;
|
||
height: 150px;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, margin_box = page.children
|
||
assert margin_box.margin_height() == 100
|
||
assert margin_box.margin_top == 0
|
||
assert margin_box.margin_bottom == -50 # outside
|
||
assert margin_box.height == 150
|
||
|
||
|
||
@SUITE.test
|
||
def test_preferred_widths():
|
||
"""Unit tests for preferred widths."""
|
||
document = parse('''
|
||
<p style="white-space: pre-line">
|
||
Lorem ipsum dolor sit amet,
|
||
consectetur elit
|
||
</p>
|
||
<!-- ^ No-break space here -->
|
||
''', return_document=True)
|
||
# Non-laid-out boxes:
|
||
body, = document.formatting_structure.children
|
||
paragraph, = body.children
|
||
line, = paragraph.children
|
||
text, = line.children
|
||
assert text.text == '\nLorem ipsum dolor sit amet,\nconsectetur elit\n'
|
||
|
||
minimum = inline_preferred_minimum_width(line)
|
||
preferred = inline_preferred_width(line)
|
||
# Not exact, depends on the installed fonts
|
||
assert 120 < minimum < 140
|
||
assert 220 < preferred < 240
|
||
|
||
|
||
@SUITE.test
|
||
def test_margin_boxes_variable_dimension():
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
padding: 42px;
|
||
border: 7px solid;
|
||
|
||
@top-left {
|
||
content: "";
|
||
}
|
||
@top-center {
|
||
content: "";
|
||
}
|
||
@top-right {
|
||
content: "";
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right, top_center = page.children
|
||
assert top_left.at_keyword == '@top-left'
|
||
assert top_center.at_keyword == '@top-center'
|
||
assert top_right.at_keyword == '@top-right'
|
||
|
||
assert top_left.margin_width() == 200
|
||
assert top_center.margin_width() == 200
|
||
assert top_right.margin_width() == 200
|
||
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
padding: 42px;
|
||
border: 7px solid;
|
||
|
||
@top-left {
|
||
content: "HeyHey";
|
||
}
|
||
@top-center {
|
||
content: "Hey";
|
||
}
|
||
@top-right {
|
||
content: "";
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right, top_center = page.children
|
||
assert top_left.at_keyword == '@top-left'
|
||
assert top_center.at_keyword == '@top-center'
|
||
assert top_right.at_keyword == '@top-right'
|
||
|
||
assert top_left.margin_width() == 240
|
||
assert top_center.margin_width() == 120
|
||
assert top_right.margin_width() == 240
|
||
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
padding: 42px;
|
||
border: 7px solid;
|
||
|
||
@top-left {
|
||
content: "Lorem";
|
||
}
|
||
@top-right {
|
||
content: "Lorem";
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right = page.children
|
||
assert top_left.at_keyword == '@top-left'
|
||
assert top_right.at_keyword == '@top-right'
|
||
|
||
assert top_left.margin_width() == 300
|
||
assert top_right.margin_width() == 300
|
||
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
padding: 42px;
|
||
border: 7px solid;
|
||
|
||
@top-left {
|
||
content: "HelloHello";
|
||
}
|
||
@top-right {
|
||
content: "Hello";
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right = page.children
|
||
assert top_left.margin_width() == 400
|
||
assert top_right.margin_width() == 200
|
||
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
padding: 42px;
|
||
border: 7px solid;
|
||
|
||
@top-left {
|
||
content: url('data:image/svg+xml, \
|
||
<svg width="10" height="10"></svg>');
|
||
}
|
||
@top-right {
|
||
content: url('data:image/svg+xml, \
|
||
<svg width="30" height="10"></svg>');
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right = page.children
|
||
assert top_left.margin_width() == 150
|
||
assert top_right.margin_width() == 450
|
||
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
|
||
@top-left {
|
||
width: 150px;
|
||
}
|
||
@top-right {
|
||
width: 250px;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right = page.children
|
||
assert top_left.margin_width() == 150
|
||
assert top_right.margin_width() == 250
|
||
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
|
||
@top-left {
|
||
margin: auto;
|
||
width: 100px;
|
||
}
|
||
@top-center {
|
||
margin-left: auto;
|
||
}
|
||
@top-right {
|
||
width: 200px;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right = page.children
|
||
# 300 pixels evenly distributed over the 3 margins
|
||
assert top_left.margin_left == 100
|
||
assert top_left.margin_right == 100
|
||
assert top_left.width == 100
|
||
assert top_right.margin_left == 0
|
||
assert top_right.margin_right == 0
|
||
assert top_right.width == 200
|
||
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
|
||
@top-left {
|
||
margin: auto;
|
||
width: 500px;
|
||
}
|
||
@top-center {
|
||
margin-left: auto;
|
||
}
|
||
@top-right {
|
||
width: 400px;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right = page.children
|
||
# -300 pixels evenly distributed over the 3 margins
|
||
assert top_left.margin_left == -100
|
||
assert top_left.margin_right == -100
|
||
assert top_left.width == 500
|
||
assert top_right.margin_left == 0
|
||
assert top_right.margin_right == 0
|
||
assert top_right.width == 400
|
||
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
padding: 42px;
|
||
border: 7px solid;
|
||
|
||
@top-left {
|
||
content: url('data:image/svg+xml, \
|
||
<svg width="450" height="10"></svg>');
|
||
}
|
||
@top-right {
|
||
content: url('data:image/svg+xml, \
|
||
<svg width="350" height="10"></svg>');
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right = page.children
|
||
# -200 pixels evenly distributed over the 2 added margins
|
||
assert top_left.margin_left == 0
|
||
assert top_left.margin_right == -100
|
||
assert top_left.width == 450
|
||
assert top_right.margin_left == -100
|
||
assert top_right.margin_right == 0
|
||
assert top_right.width == 350
|
||
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 100px;
|
||
padding: 42px;
|
||
border: 7px solid;
|
||
|
||
@top-left {
|
||
content: url('data:image/svg+xml, \
|
||
<svg width="100" height="10"></svg>');
|
||
border-right: 50px solid;
|
||
margin: auto;
|
||
}
|
||
@top-right {
|
||
content: url('data:image/svg+xml, \
|
||
<svg width="200" height="10"></svg>');
|
||
margin-left: 30px;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right = page.children
|
||
assert top_left.margin_left == 110
|
||
assert top_left.margin_right == 110
|
||
assert top_left.width == 100
|
||
assert top_left.margin_width() == 370
|
||
assert top_right.margin_left == 30
|
||
assert top_right.margin_right == 0
|
||
assert top_right.width == 200
|
||
assert top_right.margin_width() == 230
|
||
|
||
|
||
@SUITE.test
|
||
def test_margin_boxes_vertical_align():
|
||
"""
|
||
3 px -> +-----+
|
||
| 1 |
|
||
+-----+
|
||
|
||
43 px -> +-----+
|
||
53 px -> | 2 |
|
||
+-----+
|
||
|
||
83 px -> +-----+
|
||
| 3 |
|
||
103px -> +-----+
|
||
"""
|
||
page, = parse('''
|
||
<style>
|
||
@page {
|
||
-weasy-size: 800px;
|
||
margin: 106px; /* margin boxes’ content height is 100px */
|
||
|
||
@top-left {
|
||
content: "foo"; line-height: 20px; border: 3px solid;
|
||
vertical-align: top;
|
||
}
|
||
@top-center {
|
||
content: "foo"; line-height: 20px; border: 3px solid;
|
||
vertical-align: middle;
|
||
}
|
||
@top-right {
|
||
content: "foo"; line-height: 20px; border: 3px solid;
|
||
vertical-align: bottom;
|
||
}
|
||
}
|
||
</style>
|
||
''')
|
||
html, top_left, top_right, top_center = page.children
|
||
line_1, = top_left.children
|
||
line_2, = top_center.children
|
||
line_3, = top_right.children
|
||
assert line_1.position_y == 3
|
||
assert line_2.position_y == 43
|
||
assert line_3.position_y == 83
|