134 lines
3.6 KiB
Python
134 lines
3.6 KiB
Python
"""
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weasyprint.tests.test_fonts
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---------------------------
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Test the fonts features.
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:copyright: Copyright 2011-2019 Simon Sapin and contributors, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from .test_boxes import render_pages
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from .testing_utils import assert_no_logs, requires
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@assert_no_logs
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@requires('pango', (1, 38, 0))
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def test_font_face():
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page, = render_pages('''
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<style>
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@font-face { src: url(weasyprint.otf); font-family: weasyprint }
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body { font-family: weasyprint }
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</style>
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<span>abc</span>''')
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html, = page.children
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body, = html.children
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line, = body.children
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assert line.width == 3 * 16
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@assert_no_logs
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@requires('pango', (1, 38, 0))
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def test_kerning_default():
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# Kerning and ligatures are on by default
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page, = render_pages('''
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<style>
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@font-face { src: url(weasyprint.otf); font-family: weasyprint }
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body { font-family: weasyprint }
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</style>
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<span>kk</span><span>liga</span>''')
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html, = page.children
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body, = html.children
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line, = body.children
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span1, span2 = line.children
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assert span1.width == 1.5 * 16
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assert span2.width == 1.5 * 16
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@assert_no_logs
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@requires('pango', (1, 38, 0))
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def test_kerning_deactivate():
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# Deactivate kerning
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page, = render_pages('''
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<style>
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@font-face {
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src: url(weasyprint.otf);
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font-family: no-kern;
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font-feature-settings: 'kern' off;
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}
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@font-face {
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src: url(weasyprint.otf);
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font-family: kern;
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}
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span:nth-child(1) { font-family: kern }
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span:nth-child(2) { font-family: no-kern }
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</style>
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<span>kk</span><span>kk</span>''')
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html, = page.children
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body, = html.children
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line, = body.children
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span1, span2 = line.children
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assert span1.width == 1.5 * 16
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assert span2.width == 2 * 16
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@assert_no_logs
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@requires('pango', (1, 38, 0))
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def test_kerning_ligature_deactivate():
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# Deactivate kerning and ligatures
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page, = render_pages('''
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<style>
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@font-face {
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src: url(weasyprint.otf);
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font-family: no-kern-liga;
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font-feature-settings: 'kern' off;
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font-variant: no-common-ligatures;
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}
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@font-face {
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src: url(weasyprint.otf);
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font-family: kern-liga;
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}
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span:nth-child(1) { font-family: kern-liga }
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span:nth-child(2) { font-family: no-kern-liga }
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</style>
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<span>kk liga</span><span>kk liga</span>''')
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html, = page.children
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body, = html.children
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line, = body.children
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span1, span2 = line.children
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assert span1.width == (1.5 + 1 + 1.5) * 16
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assert span2.width == (2 + 1 + 4) * 16
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@assert_no_logs
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@requires('pango', (1, 38, 0))
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def test_font_face_descriptors():
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page, = render_pages(
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'''
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<style>
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@font-face {
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src: url(weasyprint.otf);
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font-family: weasyprint;
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font-variant: sub
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discretionary-ligatures
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oldstyle-nums
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slashed-zero;
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}
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span { font-family: weasyprint }
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</style>'''
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'<span>kk</span>'
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'<span>subs</span>'
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'<span>dlig</span>'
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'<span>onum</span>'
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'<span>zero</span>')
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html, = page.children
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body, = html.children
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line, = body.children
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kern, subs, dlig, onum, zero = line.children
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assert kern.width == 1.5 * 16
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assert subs.width == 1.5 * 16
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assert dlig.width == 1.5 * 16
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assert onum.width == 1.5 * 16
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assert zero.width == 1.5 * 16
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