430 lines
16 KiB
Python
430 lines
16 KiB
Python
from fontTools.misc.loggingTools import CapturingLogHandler
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from fontTools.misc.testTools import FakeFont, makeXMLWriter
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from fontTools.misc.textTools import deHexStr
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import fontTools.ttLib.tables.otConverters as otConverters
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from fontTools.ttLib import newTable
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from fontTools.ttLib.tables.otBase import OTTableReader, OTTableWriter
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import unittest
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class Char64Test(unittest.TestCase):
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font = FakeFont([])
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converter = otConverters.Char64("char64", 0, None, None)
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def test_read(self):
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reader = OTTableReader(b"Hello\0junk after zero byte" + 100 * b"\0")
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self.assertEqual(self.converter.read(reader, self.font, {}), "Hello")
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self.assertEqual(reader.pos, 64)
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def test_read_replace_not_ascii(self):
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reader = OTTableReader(b"Hello \xE4 world" + 100 * b"\0")
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with CapturingLogHandler(otConverters.log, "WARNING") as captor:
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data = self.converter.read(reader, self.font, {})
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self.assertEqual(data, "Hello <20> world")
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self.assertEqual(reader.pos, 64)
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self.assertIn('replaced non-ASCII characters in "Hello <20> world"',
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[r.msg for r in captor.records])
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def test_write(self):
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writer = OTTableWriter()
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self.converter.write(writer, self.font, {}, "Hello world")
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self.assertEqual(writer.getData(), b"Hello world" + 53 * b"\0")
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def test_write_replace_not_ascii(self):
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writer = OTTableWriter()
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with CapturingLogHandler(otConverters.log, "WARNING") as captor:
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self.converter.write(writer, self.font, {}, "Hello ☃")
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self.assertEqual(writer.getData(), b"Hello ?" + 57 * b"\0")
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self.assertIn('replacing non-ASCII characters in "Hello ☃"',
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[r.msg for r in captor.records])
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def test_write_truncated(self):
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writer = OTTableWriter()
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with CapturingLogHandler(otConverters.log, "WARNING") as captor:
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self.converter.write(writer, self.font, {}, "A" * 80)
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self.assertEqual(writer.getData(), b"A" * 64)
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self.assertIn('truncating overlong "' + "A" * 80 + '" to 64 bytes',
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[r.msg for r in captor.records])
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def test_xmlRead(self):
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value = self.converter.xmlRead({"value": "Foo"}, [], self.font)
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self.assertEqual(value, "Foo")
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def test_xmlWrite(self):
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writer = makeXMLWriter()
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self.converter.xmlWrite(writer, self.font, "Hello world", "Element",
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[("attr", "v")])
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xml = writer.file.getvalue().decode("utf-8").rstrip()
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self.assertEqual(xml, '<Element attr="v" value="Hello world"/>')
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class GlyphIDTest(unittest.TestCase):
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font = FakeFont(".notdef A B C".split())
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converter = otConverters.GlyphID('GlyphID', 0, None, None)
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def test_readArray(self):
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reader = OTTableReader(deHexStr("0002 0001 DEAD 0002"))
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self.assertEqual(self.converter.readArray(reader, self.font, {}, 4),
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["B", "A", "glyph57005", "B"])
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self.assertEqual(reader.pos, 8)
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def test_read(self):
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reader = OTTableReader(deHexStr("0003"))
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self.assertEqual(self.converter.read(reader, self.font, {}), "C")
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self.assertEqual(reader.pos, 2)
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def test_write(self):
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writer = OTTableWriter()
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self.converter.write(writer, self.font, {}, "B")
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self.assertEqual(writer.getData(), deHexStr("0002"))
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class LongTest(unittest.TestCase):
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font = FakeFont([])
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converter = otConverters.Long('Long', 0, None, None)
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def test_read(self):
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reader = OTTableReader(deHexStr("FF0000EE"))
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self.assertEqual(self.converter.read(reader, self.font, {}), -16776978)
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self.assertEqual(reader.pos, 4)
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def test_write(self):
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writer = OTTableWriter()
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self.converter.write(writer, self.font, {}, -16777213)
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self.assertEqual(writer.getData(), deHexStr("FF000003"))
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def test_xmlRead(self):
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value = self.converter.xmlRead({"value": "314159"}, [], self.font)
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self.assertEqual(value, 314159)
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def test_xmlWrite(self):
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writer = makeXMLWriter()
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self.converter.xmlWrite(writer, self.font, 291, "Foo", [("attr", "v")])
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xml = writer.file.getvalue().decode("utf-8").rstrip()
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self.assertEqual(xml, '<Foo attr="v" value="291"/>')
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class NameIDTest(unittest.TestCase):
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converter = otConverters.NameID('NameID', 0, None, None)
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def makeFont(self):
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nameTable = newTable('name')
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nameTable.setName(u"Demibold Condensed", 0x123, 3, 0, 0x409)
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nameTable.setName(u"Copyright 2018", 0, 3, 0, 0x409)
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return {"name": nameTable}
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def test_read(self):
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font = self.makeFont()
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reader = OTTableReader(deHexStr("0123"))
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self.assertEqual(self.converter.read(reader, font, {}), 0x123)
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def test_write(self):
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writer = OTTableWriter()
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self.converter.write(writer, self.makeFont(), {}, 0x123)
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self.assertEqual(writer.getData(), deHexStr("0123"))
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def test_xmlWrite(self):
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writer = makeXMLWriter()
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self.converter.xmlWrite(writer, self.makeFont(), 291,
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"FooNameID", [("attr", "val")])
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xml = writer.file.getvalue().decode("utf-8").rstrip()
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self.assertEqual(
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xml,
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'<FooNameID attr="val" value="291"/> <!-- Demibold Condensed -->')
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def test_xmlWrite_missingID(self):
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writer = makeXMLWriter()
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with CapturingLogHandler(otConverters.log, "WARNING") as captor:
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self.converter.xmlWrite(writer, self.makeFont(), 666,
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"Entity", [("attrib", "val")])
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self.assertIn("name id 666 missing from name table",
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[r.msg for r in captor.records])
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xml = writer.file.getvalue().decode("utf-8").rstrip()
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self.assertEqual(
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xml,
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'<Entity attrib="val"'
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' value="666"/> <!-- missing from name table -->')
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def test_xmlWrite_NULL(self):
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writer = makeXMLWriter()
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self.converter.xmlWrite(writer, self.makeFont(), 0,
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"FooNameID", [("attr", "val")])
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xml = writer.file.getvalue().decode("utf-8").rstrip()
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self.assertEqual(
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xml, '<FooNameID attr="val" value="0"/>')
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class UInt8Test(unittest.TestCase):
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font = FakeFont([])
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converter = otConverters.UInt8("UInt8", 0, None, None)
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def test_read(self):
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reader = OTTableReader(deHexStr("FE"))
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self.assertEqual(self.converter.read(reader, self.font, {}), 254)
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self.assertEqual(reader.pos, 1)
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def test_write(self):
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writer = OTTableWriter()
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self.converter.write(writer, self.font, {}, 253)
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self.assertEqual(writer.getData(), deHexStr("FD"))
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def test_xmlRead(self):
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value = self.converter.xmlRead({"value": "254"}, [], self.font)
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self.assertEqual(value, 254)
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def test_xmlWrite(self):
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writer = makeXMLWriter()
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self.converter.xmlWrite(writer, self.font, 251, "Foo", [("attr", "v")])
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xml = writer.file.getvalue().decode("utf-8").rstrip()
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self.assertEqual(xml, '<Foo attr="v" value="251"/>')
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class AATLookupTest(unittest.TestCase):
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font = FakeFont(".notdef A B C D E F G H A.alt B.alt".split())
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converter = otConverters.AATLookup("AATLookup", 0, None,
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tableClass=otConverters.GlyphID)
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def __init__(self, methodName):
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unittest.TestCase.__init__(self, methodName)
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# Python 3 renamed assertRaisesRegexp to assertRaisesRegex,
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# and fires deprecation warnings if a program uses the old name.
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if not hasattr(self, "assertRaisesRegex"):
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self.assertRaisesRegex = self.assertRaisesRegexp
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def test_readFormat0(self):
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reader = OTTableReader(deHexStr("0000 0000 0001 0002 0000 7D00 0001"))
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self.assertEqual(self.converter.read(reader, self.font, None), {
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".notdef": ".notdef",
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"A": "A",
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"B": "B",
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"C": ".notdef",
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"D": "glyph32000",
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"E": "A"
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})
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def test_readFormat2(self):
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reader = OTTableReader(deHexStr(
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"0002 0006 0002 000C 0001 0006 "
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"0002 0001 0003 " # glyph A..B: map to C
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"0007 0005 0008 " # glyph E..G: map to H
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"FFFF FFFF FFFF")) # end of search table
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self.assertEqual(self.converter.read(reader, self.font, None), {
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"A": "C",
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"B": "C",
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"E": "H",
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"F": "H",
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"G": "H",
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})
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def test_readFormat4(self):
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reader = OTTableReader(deHexStr(
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"0004 0006 0003 000C 0001 0006 "
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"0002 0001 001E " # glyph 1..2: mapping at offset 0x1E
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"0005 0004 001E " # glyph 4..5: mapping at offset 0x1E
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"FFFF FFFF FFFF " # end of search table
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"0007 0008")) # offset 0x18: glyphs [7, 8] = [G, H]
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self.assertEqual(self.converter.read(reader, self.font, None), {
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"A": "G",
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"B": "H",
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"D": "G",
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"E": "H",
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})
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def test_readFormat6(self):
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reader = OTTableReader(deHexStr(
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"0006 0004 0002 0008 0001 0004 "
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"0003 0001 " # C --> A
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"0005 0002 " # E --> B
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"FFFF FFFF")) # end of search table
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self.assertEqual(self.converter.read(reader, self.font, None), {
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"C": "A",
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"E": "B",
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})
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def test_readFormat8(self):
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reader = OTTableReader(deHexStr(
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"0008 "
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"0003 0003 " # first: C, count: 3
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"0007 0001 0002")) # [G, A, B]
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self.assertEqual(self.converter.read(reader, self.font, None), {
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"C": "G",
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"D": "A",
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"E": "B",
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})
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def test_readUnknownFormat(self):
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reader = OTTableReader(deHexStr("0009"))
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self.assertRaisesRegex(
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AssertionError,
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"unsupported lookup format: 9",
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self.converter.read, reader, self.font, None)
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def test_writeFormat0(self):
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writer = OTTableWriter()
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font = FakeFont(".notdef A B C".split())
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self.converter.write(writer, font, {}, {
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".notdef": ".notdef",
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"A": "C",
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"B": "C",
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"C": "A"
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})
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self.assertEqual(writer.getData(), deHexStr("0000 0000 0003 0003 0001"))
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def test_writeFormat2(self):
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writer = OTTableWriter()
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font = FakeFont(".notdef A B C D E F G H".split())
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self.converter.write(writer, font, {}, {
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"B": "C",
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"C": "C",
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"D": "C",
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"E": "C",
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"G": "A",
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"H": "A",
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})
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self.assertEqual(writer.getData(), deHexStr(
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"0002 " # format=2
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"0006 " # binSrchHeader.unitSize=6
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"0002 " # binSrchHeader.nUnits=2
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"000C " # binSrchHeader.searchRange=12
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"0001 " # binSrchHeader.entrySelector=1
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"0000 " # binSrchHeader.rangeShift=0
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"0005 0002 0003 " # segments[0].lastGlyph=E, firstGlyph=B, value=C
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"0008 0007 0001 " # segments[1].lastGlyph=H, firstGlyph=G, value=A
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"FFFF FFFF 0000 " # segments[2]=<END>
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))
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def test_writeFormat6(self):
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writer = OTTableWriter()
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font = FakeFont(".notdef A B C D E".split())
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self.converter.write(writer, font, {}, {
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"A": "C",
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"C": "B",
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"D": "D",
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"E": "E",
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})
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self.assertEqual(writer.getData(), deHexStr(
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"0006 " # format=6
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"0004 " # binSrchHeader.unitSize=4
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"0004 " # binSrchHeader.nUnits=4
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"0010 " # binSrchHeader.searchRange=16
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"0002 " # binSrchHeader.entrySelector=2
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"0000 " # binSrchHeader.rangeShift=0
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"0001 0003 " # entries[0].glyph=A, .value=C
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"0003 0002 " # entries[1].glyph=C, .value=B
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"0004 0004 " # entries[2].glyph=D, .value=D
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"0005 0005 " # entries[3].glyph=E, .value=E
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"FFFF 0000 " # entries[4]=<END>
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))
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def test_writeFormat8(self):
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writer = OTTableWriter()
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font = FakeFont(".notdef A B C D E F G H".split())
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self.converter.write(writer, font, {}, {
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"B": "B",
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"C": "A",
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"D": "B",
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"E": "C",
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"F": "B",
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"G": "A",
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})
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self.assertEqual(writer.getData(), deHexStr(
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"0008 " # format=8
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"0002 " # firstGlyph=B
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"0006 " # glyphCount=6
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"0002 0001 0002 0003 0002 0001" # valueArray=[B, A, B, C, B, A]
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))
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def test_xmlRead(self):
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value = self.converter.xmlRead({}, [
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("Lookup", {"glyph": "A", "value": "A.alt"}, []),
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("Lookup", {"glyph": "B", "value": "B.alt"}, []),
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], self.font)
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self.assertEqual(value, {"A": "A.alt", "B": "B.alt"})
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def test_xmlWrite(self):
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writer = makeXMLWriter()
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self.converter.xmlWrite(writer, self.font,
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value={"A": "A.alt", "B": "B.alt"},
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name="Foo", attrs=[("attr", "val")])
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xml = writer.file.getvalue().decode("utf-8").splitlines()
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self.assertEqual(xml, [
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'<Foo attr="val">',
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' <Lookup glyph="A" value="A.alt"/>',
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' <Lookup glyph="B" value="B.alt"/>',
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'</Foo>',
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])
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class LazyListTest(unittest.TestCase):
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def test_slice(self):
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ll = otConverters._LazyList([10, 11, 12, 13])
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sl = ll[:]
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self.assertIsNot(sl, ll)
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self.assertIsInstance(sl, list)
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self.assertEqual([10, 11, 12, 13], sl)
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self.assertEqual([11, 12], ll[1:3])
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def test_getitem(self):
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count = 2
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reader = OTTableReader(b"\x00\xFE\xFF\x00\x00\x00", offset=1)
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converter = otConverters.UInt8("UInt8", 0, None, None)
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recordSize = converter.staticSize
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l = otConverters._LazyList()
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l.reader = reader
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l.pos = l.reader.pos
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l.font = None
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l.conv = converter
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l.recordSize = recordSize
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l.extend(otConverters._MissingItem([i]) for i in range(count))
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reader.advance(count * recordSize)
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self.assertEqual(l[0], 254)
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self.assertEqual(l[1], 255)
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def test_add_both_LazyList(self):
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ll1 = otConverters._LazyList([1])
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ll2 = otConverters._LazyList([2])
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l3 = ll1 + ll2
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self.assertIsInstance(l3, list)
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self.assertEqual([1, 2], l3)
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def test_add_LazyList_and_list(self):
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ll1 = otConverters._LazyList([1])
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l2 = [2]
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l3 = ll1 + l2
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self.assertIsInstance(l3, list)
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self.assertEqual([1, 2], l3)
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def test_add_not_implemented(self):
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with self.assertRaises(TypeError):
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otConverters._LazyList() + 0
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with self.assertRaises(TypeError):
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otConverters._LazyList() + tuple()
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def test_radd_list_and_LazyList(self):
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l1 = [1]
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ll2 = otConverters._LazyList([2])
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l3 = l1 + ll2
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self.assertIsInstance(l3, list)
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self.assertEqual([1, 2], l3)
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def test_radd_not_implemented(self):
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with self.assertRaises(TypeError):
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0 + otConverters._LazyList()
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with self.assertRaises(TypeError):
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tuple() + otConverters._LazyList()
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if __name__ == "__main__":
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import sys
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sys.exit(unittest.main())
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