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import logging
import tempfile
import fontTools.ttLib
import opentype_feature_freezer.cli
def test_freeze(tmp_path, shared_datadir):
font = fontTools.ttLib.TTFont()
font.importXML(shared_datadir / "OpenSans-Bold.subset.ttx")
font_path = tmp_path / "Test.ttf"
font.save(font_path)
opentype_feature_freezer.cli.main(
["-v", "-f", "c2sc,onum,smcp", "-S", "-U", "SC", "--names", str(font_path)]
)
font_processed = fontTools.ttLib.TTFont(
tmp_path / (font_path.name + ".featfreeze.otf")
)
cmap = font_processed.getBestCmap()
assert cmap[0x30] == "zero.os"
assert cmap[0x31] == "one.os"
assert cmap[0x32] == "two.os"
assert cmap[0x33] == "three.os"
assert cmap[0x34] == "four.os"
assert cmap[0x35] == "five.os"
assert cmap[0x36] == "six.os"
assert cmap[0x37] == "seven.os"
assert cmap[0x38] == "eight.os"
assert cmap[0x39] == "nine.os"
def test_report(tmp_path, shared_datadir, capsys):
font = fontTools.ttLib.TTFont()
font.importXML(shared_datadir / "OpenSans-Bold.subset.ttx")
font_path = tmp_path / "Test.ttf"
font.save(font_path)
opentype_feature_freezer.cli.main(
["-v", "-f", "c2sc,onum,smcp", "-S", "-U", "SC", "--report", str(font_path)]
)
captured = capsys.readouterr()
assert (
captured.out
== """# Scripts and languages:
-s 'latn'
# Features:
-f lnum,onum,pnum,tnum
"""
)
def test_cant_open():
with tempfile.NamedTemporaryFile() as f:
assert (
opentype_feature_freezer.cli.main(
["-v", "-f", "c2sc,onum,smcp", "-S", "-U", "SC", f.name]
)
== 1
)
def test_warn_substituting_glyphs_without_unicode(tmp_path, shared_datadir, caplog):
font = fontTools.ttLib.TTFont()
font.importXML(shared_datadir / "SubGlyphsWithoutUnicode.ttx")
font_path = tmp_path / "Test.ttf"
font.save(font_path)
opentype_feature_freezer.cli.main(["-v", "-f", "ss01", "--names", str(font_path)])
assert any(
record.levelno == logging.WARNING
and "neither has a Unicode value" in record.message
for record in caplog.records
)
font_processed = fontTools.ttLib.TTFont(
tmp_path / (font_path.name + ".featfreeze.otf")
)
cmap = font_processed.getBestCmap()
assert cmap == {0x61: "a.alt1"} # Takes the first alternate
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