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"""Test the fonts features."""
from .testing_utils import assert_no_logs, render_pages
@assert_no_logs
def test_font_face():
page, = render_pages('''
<style>
body { font-family: weasyprint }
</style>
<span>abc</span>''')
html, = page.children
body, = html.children
line, = body.children
assert line.width == 3 * 16
@assert_no_logs
def test_kerning_default():
# Kerning and ligatures are on by default
page, = render_pages('''
<style>
body { font-family: weasyprint }
</style>
<span>kk</span><span>liga</span>''')
html, = page.children
body, = html.children
line, = body.children
span1, span2 = line.children
assert span1.width == 1.5 * 16
assert span2.width == 1.5 * 16
@assert_no_logs
def test_ligatures_word_space():
# Regression test for #1469.
# Kerning and ligatures are on for text with increased word spacing.
page, = render_pages('''
<style>
body { font-family: weasyprint; word-spacing: 1em; width: 10em }
</style>
aa liga aa''')
html, = page.children
body, = html.children
assert len(body.children) == 1
@assert_no_logs
def test_kerning_deactivate():
# Deactivate kerning
page, = render_pages('''
<style>
@font-face {
src: url(weasyprint.otf);
font-family: no-kern;
font-feature-settings: 'kern' off;
}
@font-face {
src: url(weasyprint.otf);
font-family: kern;
}
span:nth-child(1) { font-family: kern }
span:nth-child(2) { font-family: no-kern }
</style>
<span>kk</span><span>kk</span>''')
html, = page.children
body, = html.children
line, = body.children
span1, span2 = line.children
assert span1.width == 1.5 * 16
assert span2.width == 2 * 16
@assert_no_logs
def test_kerning_ligature_deactivate():
# Deactivate kerning and ligatures
page, = render_pages('''
<style>
@font-face {
src: url(weasyprint.otf);
font-family: no-kern-liga;
font-feature-settings: 'kern' off;
font-variant: no-common-ligatures;
}
@font-face {
src: url(weasyprint.otf);
font-family: kern-liga;
}
span:nth-child(1) { font-family: kern-liga }
span:nth-child(2) { font-family: no-kern-liga }
</style>
<span>kk liga</span><span>kk liga</span>''')
html, = page.children
body, = html.children
line, = body.children
span1, span2 = line.children
assert span1.width == (1.5 + 1 + 1.5) * 16
assert span2.width == (2 + 1 + 4) * 16
@assert_no_logs
def test_font_face_descriptors():
page, = render_pages(
'''
<style>
@font-face {
src: url(weasyprint.otf);
font-family: weasyprint-variant;
font-variant: sub
discretionary-ligatures
oldstyle-nums
slashed-zero;
}
span { font-family: weasyprint-variant }
</style>'''
'<span>kk</span>'
'<span>subs</span>'
'<span>dlig</span>'
'<span>onum</span>'
'<span>zero</span>')
html, = page.children
body, = html.children
line, = body.children
kern, subs, dlig, onum, zero = line.children
assert kern.width == 1.5 * 16
assert subs.width == 1.5 * 16
assert dlig.width == 1.5 * 16
assert onum.width == 1.5 * 16
assert zero.width == 1.5 * 16
@assert_no_logs
def test_woff_simple():
page, = render_pages(
'''
<style>
@font-face {
src: url(weasyprint.otf);
font-family: weasyprint-otf;
}
@font-face {
src: url(weasyprint.woff);
font-family: weasyprint-woff;
}
@font-face {
src: url(weasyprint.woff);
font-family: weasyprint-woff-cached;
}
span:nth-child(1) { font-family: weasyprint-otf }
span:nth-child(2) { font-family: weasyprint-woff }
span:nth-child(3) { font-family: weasyprint-woff-cached }
span:nth-child(4) { font-family: sans }
</style>'''
'<span>woff font</span>'
'<span>woff font</span>'
'<span>woff font</span>'
'<span>woff font</span>')
html, = page.children
body, = html.children
line, = body.children
span1, span2, span3, span4 = line.children
# otf font matches woff font
assert span1.width == span2.width
# otf font matches woff font loaded from cache
assert span1.width == span3.width
# the default font does not match the loaded fonts
assert span1.width != span4.width
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