def test_toXML2(self):
writer = XMLWriter(StringIO())
table = otTables.AlternateSubst()
table.alternates = {"G": ["G.alt2", "G.alt1"], "Z": ["Z.fina"]}
table.toXML2(writer, self.font)
self.assertEqual(writer.file.getvalue().splitlines()[1:], [
'<AlternateSet glyph="G">', ' <Alternate glyph="G.alt2"/>',
' <Alternate glyph="G.alt1"/>', '</AlternateSet>',
'<AlternateSet glyph="Z">', ' <Alternate glyph="Z.fina"/>',
'</AlternateSet>'
])
def test_preWrite_format1(self):
table = otTables.AlternateSubst()
table.alternates = {"G": ["G.alt2", "G.alt1"], "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.alt2", "G.alt1"])
self.assertIsInstance(z, otTables.AlternateSet)
self.assertEqual(z.Alternate, ["Z.fina"])
def build(self):
lookup = otTables.Lookup()
lookup.SubTable = []
st = otTables.AlternateSubst()
st.Format = 1
st.alternates = self.alternates
lookup.SubTable.append(st)
lookup.LookupFlag = self.lookup_flag
lookup.LookupType = self.lookup_type
lookup.SubTableCount = len(lookup.SubTable)
return lookup
def test_fromXML(self):
table = otTables.AlternateSubst()
for name, attrs, content in parseXML('<AlternateSet glyph="G">'
' <Alternate glyph="G.alt2"/>'
' <Alternate glyph="G.alt1"/>'
'</AlternateSet>'
'<AlternateSet glyph="Z">'
' <Alternate glyph="Z.fina"/>'
'</AlternateSet>'):
table.fromXML(name, attrs, content, self.font)
self.assertEqual(table.alternates, {
"G": ["G.alt2", "G.alt1"],
"Z": ["Z.fina"]
})
def test_postRead_format1(self):
table = otTables.AlternateSubst()
table.Format = 1
rawTable = {
"Coverage": makeCoverage(["G", "Z"]),
"AlternateSet": [
self.makeAlternateSet("G.alt2 G.alt1"),
self.makeAlternateSet("Z.fina")
]
}
table.postRead(rawTable, self.font)
self.assertEqual(table.alternates, {
"G": ["G.alt2", "G.alt1"],
"Z": ["Z.fina"]
})
def build(self):
subtable = otTables.AlternateSubst()
subtable.Format = 1
subtable.alternates = self.alternates
return self.buildLookup_([subtable])
def test_postRead_formatUnknown(self):
table = otTables.AlternateSubst()
table.Format = 987
self.assertRaises(AssertionError, table.postRead, {}, self.font)
def buildAlternateSubstSubtable(mapping):
if not mapping:
return None
self = ot.AlternateSubst()
self.alternates = dict(mapping)
return self