| from __future__ import print_function, division, absolute_import |
| from fontTools.misc.py23 import * |
| from fontTools.misc.testTools import parseXML, FakeFont |
| from fontTools.misc.xmlWriter import XMLWriter |
| import fontTools.ttLib.tables.otTables as otTables |
| import unittest |
| |
| |
| def makeCoverage(glyphs): |
| coverage = otTables.Coverage() |
| coverage.glyphs = glyphs |
| return coverage |
| |
| |
| class SingleSubstTest(unittest.TestCase): |
| def setUp(self): |
| self.glyphs = ".notdef A B C D E a b c d e".split() |
| self.font = FakeFont(self.glyphs) |
| |
| def test_postRead_format1(self): |
| table = otTables.SingleSubst() |
| table.Format = 1 |
| rawTable = { |
| "Coverage": makeCoverage(["A", "B", "C"]), |
| "DeltaGlyphID": 5 |
| } |
| table.postRead(rawTable, self.font) |
| self.assertEqual(table.mapping, {"A": "a", "B": "b", "C": "c"}) |
| |
| def test_postRead_format2(self): |
| table = otTables.SingleSubst() |
| table.Format = 2 |
| rawTable = { |
| "Coverage": makeCoverage(["A", "B", "C"]), |
| "GlyphCount": 3, |
| "Substitute": ["c", "b", "a"] |
| } |
| table.postRead(rawTable, self.font) |
| self.assertEqual(table.mapping, {"A": "c", "B": "b", "C": "a"}) |
| |
| def test_postRead_formatUnknown(self): |
| table = otTables.SingleSubst() |
| table.Format = 987 |
| rawTable = {"Coverage": makeCoverage(["A", "B", "C"])} |
| self.assertRaises(AssertionError, table.postRead, rawTable, self.font) |
| |
| def test_preWrite_format1(self): |
| table = otTables.SingleSubst() |
| table.mapping = {"A": "a", "B": "b", "C": "c"} |
| rawTable = table.preWrite(self.font) |
| self.assertEqual(table.Format, 1) |
| self.assertEqual(rawTable["Coverage"].glyphs, ["A", "B", "C"]) |
| self.assertEqual(rawTable["DeltaGlyphID"], 5) |
| |
| def test_preWrite_format2(self): |
| table = otTables.SingleSubst() |
| table.mapping = {"A": "c", "B": "b", "C": "a"} |
| rawTable = table.preWrite(self.font) |
| self.assertEqual(table.Format, 2) |
| self.assertEqual(rawTable["Coverage"].glyphs, ["A", "B", "C"]) |
| self.assertEqual(rawTable["Substitute"], ["c", "b", "a"]) |
| |
| def test_preWrite_emptyMapping(self): |
| table = otTables.SingleSubst() |
| table.mapping = {} |
| rawTable = table.preWrite(self.font) |
| self.assertEqual(table.Format, 2) |
| self.assertEqual(rawTable["Coverage"].glyphs, []) |
| self.assertEqual(rawTable["Substitute"], []) |
| |
| def test_toXML2(self): |
| writer = XMLWriter(StringIO()) |
| table = otTables.SingleSubst() |
| table.mapping = {"A": "a", "B": "b", "C": "c"} |
| table.toXML2(writer, self.font) |
| self.assertEqual(writer.file.getvalue().splitlines()[1:], [ |
| '<Substitution in="A" out="a"/>', |
| '<Substitution in="B" out="b"/>', |
| '<Substitution in="C" out="c"/>', |
| ]) |
| |
| def test_fromXML(self): |
| table = otTables.SingleSubst() |
| for name, attrs, content in parseXML( |
| '<Substitution in="A" out="a"/>' |
| '<Substitution in="B" out="b"/>' |
| '<Substitution in="C" out="c"/>'): |
| table.fromXML(name, attrs, content, self.font) |
| self.assertEqual(table.mapping, {"A": "a", "B": "b", "C": "c"}) |
| |
| |
| class MultipleSubstTest(unittest.TestCase): |
| def setUp(self): |
| self.glyphs = ".notdef c f i t c_t f_f_i".split() |
| self.font = FakeFont(self.glyphs) |
| |
| def test_postRead_format1(self): |
| makeSequence = otTables.MultipleSubst.makeSequence_ |
| table = otTables.MultipleSubst() |
| table.Format = 1 |
| rawTable = { |
| "Coverage": makeCoverage(["c_t", "f_f_i"]), |
| "Sequence": [ |
| makeSequence(["c", "t"]), |
| makeSequence(["f", "f", "i"]) |
| ] |
| } |
| table.postRead(rawTable, self.font) |
| self.assertEqual(table.mapping, { |
| "c_t": ["c", "t"], |
| "f_f_i": ["f", "f", "i"] |
| }) |
| |
| def test_postRead_formatUnknown(self): |
| table = otTables.MultipleSubst() |
| table.Format = 987 |
| self.assertRaises(AssertionError, table.postRead, {}, self.font) |
| |
| def test_preWrite_format1(self): |
| table = otTables.MultipleSubst() |
| table.mapping = {"c_t": ["c", "t"], "f_f_i": ["f", "f", "i"]} |
| rawTable = table.preWrite(self.font) |
| self.assertEqual(table.Format, 1) |
| self.assertEqual(rawTable["Coverage"].glyphs, ["c_t", "f_f_i"]) |
| |
| def test_toXML2(self): |
| writer = XMLWriter(StringIO()) |
| table = otTables.MultipleSubst() |
| table.mapping = {"c_t": ["c", "t"], "f_f_i": ["f", "f", "i"]} |
| table.toXML2(writer, self.font) |
| self.assertEqual(writer.file.getvalue().splitlines()[1:], [ |
| '<Substitution in="c_t" out="c,t"/>', |
| '<Substitution in="f_f_i" out="f,f,i"/>', |
| ]) |
| |
| def test_fromXML(self): |
| table = otTables.MultipleSubst() |
| for name, attrs, content in parseXML( |
| '<Substitution in="c_t" out="c,t"/>' |
| '<Substitution in="f_f_i" out="f,f,i"/>'): |
| table.fromXML(name, attrs, content, self.font) |
| self.assertEqual(table.mapping, |
| {'c_t': ['c', 't'], 'f_f_i': ['f', 'f', 'i']}) |
| |
| def test_fromXML_oldFormat(self): |
| table = otTables.MultipleSubst() |
| for name, attrs, content in parseXML( |
| '<Coverage>' |
| ' <Glyph value="c_t"/>' |
| ' <Glyph value="f_f_i"/>' |
| '</Coverage>' |
| '<Sequence index="0">' |
| ' <Substitute index="0" value="c"/>' |
| ' <Substitute index="1" value="t"/>' |
| '</Sequence>' |
| '<Sequence index="1">' |
| ' <Substitute index="0" value="f"/>' |
| ' <Substitute index="1" value="f"/>' |
| ' <Substitute index="2" value="i"/>' |
| '</Sequence>'): |
| table.fromXML(name, attrs, content, self.font) |
| self.assertEqual(table.mapping, |
| {'c_t': ['c', 't'], 'f_f_i': ['f', 'f', 'i']}) |
| |
| def test_fromXML_oldFormat_bug385(self): |
| # https://github.com/behdad/fonttools/issues/385 |
| table = otTables.MultipleSubst() |
| table.Format = 1 |
| for name, attrs, content in parseXML( |
| '<Coverage Format="1">' |
| ' <Glyph value="o"/>' |
| ' <Glyph value="l"/>' |
| '</Coverage>' |
| '<Sequence>' |
| ' <Substitute value="o"/>' |
| ' <Substitute value="l"/>' |
| ' <Substitute value="o"/>' |
| '</Sequence>' |
| '<Sequence>' |
| ' <Substitute value="o"/>' |
| '</Sequence>'): |
| table.fromXML(name, attrs, content, self.font) |
| self.assertEqual(table.mapping, |
| {'o': ['o', 'l', 'o'], 'l': ['o']}) |
| |
| |
| class LigatureSubstTest(unittest.TestCase): |
| def setUp(self): |
| self.glyphs = ".notdef c f i t c_t f_f f_i f_f_i".split() |
| self.font = FakeFont(self.glyphs) |
| |
| def makeLigature(self, s): |
| """'ffi' --> Ligature(LigGlyph='f_f_i', Component=['f', 'f', 'i'])""" |
| lig = otTables.Ligature() |
| lig.Component = list(s) |
| lig.LigGlyph = "_".join(lig.Component) |
| return lig |
| |
| def makeLigatures(self, s): |
| """'ffi fi' --> [otTables.Ligature, otTables.Ligature]""" |
| return [self.makeLigature(lig) for lig in s.split()] |
| |
| def test_postRead_format1(self): |
| table = otTables.LigatureSubst() |
| table.Format = 1 |
| ligs_c = otTables.LigatureSet() |
| ligs_c.Ligature = self.makeLigatures("ct") |
| ligs_f = otTables.LigatureSet() |
| ligs_f.Ligature = self.makeLigatures("ffi ff fi") |
| rawTable = { |
| "Coverage": makeCoverage(["c", "f"]), |
| "LigatureSet": [ligs_c, ligs_f] |
| } |
| table.postRead(rawTable, self.font) |
| self.assertEqual(set(table.ligatures.keys()), {"c", "f"}) |
| self.assertEqual(len(table.ligatures["c"]), 1) |
| self.assertEqual(table.ligatures["c"][0].LigGlyph, "c_t") |
| self.assertEqual(table.ligatures["c"][0].Component, ["c", "t"]) |
| self.assertEqual(len(table.ligatures["f"]), 3) |
| self.assertEqual(table.ligatures["f"][0].LigGlyph, "f_f_i") |
| self.assertEqual(table.ligatures["f"][0].Component, ["f", "f", "i"]) |
| self.assertEqual(table.ligatures["f"][1].LigGlyph, "f_f") |
| self.assertEqual(table.ligatures["f"][1].Component, ["f", "f"]) |
| self.assertEqual(table.ligatures["f"][2].LigGlyph, "f_i") |
| self.assertEqual(table.ligatures["f"][2].Component, ["f", "i"]) |
| |
| def test_postRead_formatUnknown(self): |
| table = otTables.LigatureSubst() |
| table.Format = 987 |
| rawTable = {"Coverage": makeCoverage(["f"])} |
| self.assertRaises(AssertionError, table.postRead, rawTable, self.font) |
| |
| def test_preWrite_format1(self): |
| table = otTables.LigatureSubst() |
| table.ligatures = { |
| "c": self.makeLigatures("ct"), |
| "f": self.makeLigatures("ffi ff fi") |
| } |
| rawTable = table.preWrite(self.font) |
| self.assertEqual(table.Format, 1) |
| self.assertEqual(rawTable["Coverage"].glyphs, ["c", "f"]) |
| [c, f] = rawTable["LigatureSet"] |
| self.assertIsInstance(c, otTables.LigatureSet) |
| self.assertIsInstance(f, otTables.LigatureSet) |
| [ct] = c.Ligature |
| self.assertIsInstance(ct, otTables.Ligature) |
| self.assertEqual(ct.LigGlyph, "c_t") |
| self.assertEqual(ct.Component, ["c", "t"]) |
| [ffi, ff, fi] = f.Ligature |
| self.assertIsInstance(ffi, otTables.Ligature) |
| self.assertEqual(ffi.LigGlyph, "f_f_i") |
| self.assertEqual(ffi.Component, ["f", "f", "i"]) |
| self.assertIsInstance(ff, otTables.Ligature) |
| self.assertEqual(ff.LigGlyph, "f_f") |
| self.assertEqual(ff.Component, ["f", "f"]) |
| self.assertIsInstance(fi, otTables.Ligature) |
| self.assertEqual(fi.LigGlyph, "f_i") |
| self.assertEqual(fi.Component, ["f", "i"]) |
| |
| def test_toXML2(self): |
| writer = XMLWriter(StringIO()) |
| table = otTables.LigatureSubst() |
| table.ligatures = { |
| "c": self.makeLigatures("ct"), |
| "f": self.makeLigatures("ffi ff fi") |
| } |
| table.toXML2(writer, self.font) |
| self.assertEqual(writer.file.getvalue().splitlines()[1:], [ |
| '<LigatureSet glyph="c">', |
| ' <Ligature components="c,t" glyph="c_t"/>', |
| '</LigatureSet>', |
| '<LigatureSet glyph="f">', |
| ' <Ligature components="f,f,i" glyph="f_f_i"/>', |
| ' <Ligature components="f,f" glyph="f_f"/>', |
| ' <Ligature components="f,i" glyph="f_i"/>', |
| '</LigatureSet>' |
| ]) |
| |
| def test_fromXML(self): |
| table = otTables.LigatureSubst() |
| for name, attrs, content in parseXML( |
| '<LigatureSet glyph="f">' |
| ' <Ligature components="f,f,i" glyph="f_f_i"/>' |
| ' <Ligature components="f,f" glyph="f_f"/>' |
| '</LigatureSet>'): |
| table.fromXML(name, attrs, content, self.font) |
| self.assertEqual(set(table.ligatures.keys()), {"f"}) |
| [ffi, ff] = table.ligatures["f"] |
| self.assertEqual(ffi.LigGlyph, "f_f_i") |
| self.assertEqual(ffi.Component, ["f", "f", "i"]) |
| self.assertEqual(ff.LigGlyph, "f_f") |
| self.assertEqual(ff.Component, ["f", "f"]) |
| |
| |
| class AlternateSubstTest(unittest.TestCase): |
| def setUp(self): |
| self.glyphs = ".notdef G G.alt1 G.alt2 Z Z.fina".split() |
| self.font = FakeFont(self.glyphs) |
| |
| def makeAlternateSet(self, s): |
| result = otTables.AlternateSet() |
| result.Alternate = s.split() |
| return result |
| |
| def test_postRead_format1(self): |
| table = otTables.AlternateSubst() |
| table.Format = 1 |
| rawTable = { |
| "Coverage": makeCoverage(["G", "Z"]), |
| "AlternateSet": [ |
| self.makeAlternateSet("G.alt1 G.alt2"), |
| self.makeAlternateSet("Z.fina") |
| ] |
| } |
| table.postRead(rawTable, self.font) |
| self.assertEqual(table.alternates, { |
| "G": ["G.alt1", "G.alt2"], |
| "Z": ["Z.fina"] |
| }) |
| |
| def test_postRead_formatUnknown(self): |
| table = otTables.AlternateSubst() |
| table.Format = 987 |
| self.assertRaises(AssertionError, table.postRead, {}, self.font) |
| |
| def test_preWrite_format1(self): |
| table = otTables.AlternateSubst() |
| table.alternates = {"G": ["G.alt1", "G.alt2"], "Z": ["Z.fina"]} |
| rawTable = table.preWrite(self.font) |
| self.assertEqual(table.Format, 1) |
| self.assertEqual(rawTable["Coverage"].glyphs, ["G", "Z"]) |
| [g, z] = rawTable["AlternateSet"] |
| self.assertIsInstance(g, otTables.AlternateSet) |
| self.assertEqual(g.Alternate, ["G.alt1", "G.alt2"]) |
| self.assertIsInstance(z, otTables.AlternateSet) |
| self.assertEqual(z.Alternate, ["Z.fina"]) |
| |
| def test_toXML2(self): |
| writer = XMLWriter(StringIO()) |
| table = otTables.AlternateSubst() |
| table.alternates = {"G": ["G.alt1", "G.alt2"], "Z": ["Z.fina"]} |
| table.toXML2(writer, self.font) |
| self.assertEqual(writer.file.getvalue().splitlines()[1:], [ |
| '<AlternateSet glyph="G">', |
| ' <Alternate glyph="G.alt1"/>', |
| ' <Alternate glyph="G.alt2"/>', |
| '</AlternateSet>', |
| '<AlternateSet glyph="Z">', |
| ' <Alternate glyph="Z.fina"/>', |
| '</AlternateSet>' |
| ]) |
| |
| def test_fromXML(self): |
| table = otTables.AlternateSubst() |
| for name, attrs, content in parseXML( |
| '<AlternateSet glyph="G">' |
| ' <Alternate glyph="G.alt1"/>' |
| ' <Alternate glyph="G.alt2"/>' |
| '</AlternateSet>' |
| '<AlternateSet glyph="Z">' |
| ' <Alternate glyph="Z.fina"/>' |
| '</AlternateSet>'): |
| table.fromXML(name, attrs, content, self.font) |
| self.assertEqual(table.alternates, { |
| "G": ["G.alt1", "G.alt2"], |
| "Z": ["Z.fina"] |
| }) |
| |
| |
| if __name__ == "__main__": |
| import sys |
| sys.exit(unittest.main()) |
