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from fontFeatures import Substitution, FontFeatures
from fontTools.ttLib import TTFont
from fontFeatures.ttLib.GPOSUnparser import GPOSUnparser
from fontFeatures.ttLib import unparseLanguageSystems
import pprint
import unittest
class TestUnparse(unittest.TestCase):
font = TTFont("fonts/Amiri-Regular.ttf")
lookups = font["GPOS"].table.LookupList.Lookup
unparser = GPOSUnparser(font["GPOS"], None, [])
unparser.font = font
def test_single_f1(self):
g, _ = self.unparser.unparseLookup(self.lookups[1], 1) # part of kern
self.assertEqual(g.rules[0].asFea(), "pos uni0621.float <-146 0 0 0>;")
def test_single_f1_class(self):
g, _ = self.unparser.unparseLookup(self.lookups[3], 3) # part of kern
self.assertEqual(
g.rules[0].asFea(),
"pos [uni0627.fina uni0627.fina_KafMemAlf uni0627.fina_MemAlfFina uni0627.fina_Wide] <122 0 122 0>;",
)
def test_single_f2(self):
g, _ = self.unparser.unparseLookup(
self.lookups[3], 3
) # lookups called in mark feature
self.assertEqual(g.rules[1].asFea(), "pos uni0627 <73 0 146 0>;")
self.assertEqual(g.rules[2].asFea(), "pos uni06E5.low <24 0 122 0>;")
def test_pair_f1(self):
g, _ = self.unparser.unparseLookup(
self.lookups[56], 56
) # proportional digits in kern feature
self.assertEqual(g.rules[0].asFea(), "pos uni0660.prop uni0667.prop 24;")
self.assertEqual(g.rules[1].asFea(), "pos uni0660.prop uni0668.prop 24;")
def test_pair_f2(self):
g, _ = self.unparser.unparseLookup(self.lookups[76], 76) # kerns
self.assertEqual(
g.rules[0].asFea(),
"pos [zero zero.prop] [A Aacute Abreve Acircumflex Adieresis Agrave Amacron Aogonek Aring Atilde] -10;",
)
self.assertEqual(
g.rules[1].asFea(),
"pos [zero zero.prop] [Y Yacute Ycircumflex Ydieresis Ygrave] -21;",
)
# def test_pair(self):
# g,_ = self.unparser.unparseLookup(self.lookups[56])
# self.assertEqual(g.rules[0].asFea(),"pos uni0621.float <-146 0 0 0>;")
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