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import unittest
from fontMath.mathFunctions import _roundNumber
from fontMath.mathInfo import MathInfo, _numberListAttrs
class MathInfoTest(unittest.TestCase):
def __init__(self, methodName):
unittest.TestCase.__init__(self, methodName)
self.maxDiff = None
def test_add(self):
info1 = MathInfo(_TestInfoObject())
info2 = MathInfo(_TestInfoObject())
info3 = info1 + info2
written = {}
expected = {}
for attr, value in _testData.items():
if value is None:
continue
written[attr] = getattr(info3, attr)
if isinstance(value, list):
expectedValue = [v + v for v in value]
else:
expectedValue = value + value
expected[attr] = expectedValue
self.assertEqual(sorted(expected.items()), sorted(written.items()))
def test_add_data_subset_1st_operand(self):
info1 = MathInfo(_TestInfoObject(_testDataSubset))
info2 = MathInfo(_TestInfoObject())
info3 = info1 + info2
written = {}
expected = {}
for attr, value in _testData.items():
if value is None:
continue
written[attr] = getattr(info3, attr)
if isinstance(value, list):
expectedValue = [v + v for v in value]
else:
expectedValue = value + value
expected[attr] = expectedValue
self.assertEqual(sorted(expected), sorted(written))
# self.assertEqual(sorted(expected.items()), sorted(written.items()))
def test_add_data_subset_2nd_operand(self):
info1 = MathInfo(_TestInfoObject())
info2 = MathInfo(_TestInfoObject(_testDataSubset))
info3 = info1 + info2
written = {}
expected = {}
for attr, value in _testData.items():
if value is None:
continue
written[attr] = getattr(info3, attr)
if isinstance(value, list):
expectedValue = [v + v for v in value]
else:
expectedValue = value + value
expected[attr] = expectedValue
self.assertEqual(sorted(expected), sorted(written))
# self.assertEqual(sorted(expected.items()), sorted(written.items()))
def test_sub(self):
info1 = MathInfo(_TestInfoObject())
info2 = MathInfo(_TestInfoObject())
info3 = info1 - info2
written = {}
expected = {}
for attr, value in _testData.items():
if value is None:
continue
written[attr] = getattr(info3, attr)
if isinstance(value, list):
expectedValue = [v - v for v in value]
else:
expectedValue = value - value
expected[attr] = expectedValue
self.assertEqual(sorted(expected.items()), sorted(written.items()))
def test_mul(self):
info1 = MathInfo(_TestInfoObject())
info2 = info1 * 2.5
written = {}
expected = {}
for attr, value in _testData.items():
if value is None:
continue
written[attr] = getattr(info2, attr)
if isinstance(value, list):
expectedValue = [v * 2.5 for v in value]
else:
expectedValue = value * 2.5
expected[attr] = expectedValue
self.assertEqual(sorted(expected.items()), sorted(written.items()))
def test_angle(self):
info1 = MathInfo(_TestInfoObject())
info1.italicAngle = 10
info2 = info1 - info1
self.assertEqual(info2.italicAngle, 0)
info2 = info1 + info1 + info1
self.assertEqual(info2.italicAngle, 30)
info2 = 10 * info1
self.assertEqual(info2.italicAngle, 100)
info2 = info1 / 20
self.assertEqual(info2.italicAngle, 0.5)
info2 = info1 * 2.5
self.assertEqual(info2.italicAngle, 25)
info2 = info1 * (2.5, 2.5)
self.assertEqual(info2.italicAngle, 25)
info2 = info1 * (2.5, 5)
self.assertEqual(round(info2.italicAngle), 19)
def test_mul_data_subset(self):
info1 = MathInfo(_TestInfoObject(_testDataSubset))
info2 = info1 * 2.5
written = {}
expected = {}
for attr, value in _testDataSubset.items():
if value is None:
continue
written[attr] = getattr(info2, attr)
expected = {"descender": -500.0,
"guidelines": [{"y": 250.0, "x": 0.0, "identifier": "2",
"angle": 0.0, "name": "bar"}],
"postscriptBlueValues": [-25.0, 0.0, 1000.0, 1025.0, 1625.0],
"unitsPerEm": 2500.0}
self.assertEqual(sorted(expected.items()), sorted(written.items()))
def test_div(self):
info1 = MathInfo(_TestInfoObject())
info2 = info1 / 2
written = {}
expected = {}
for attr, value in _testData.items():
if value is None:
continue
written[attr] = getattr(info2, attr)
if isinstance(value, list):
expectedValue = [v / 2 for v in value]
else:
expectedValue = value / 2
expected[attr] = expectedValue
self.assertEqual(sorted(expected), sorted(written))
def test_compare_same(self):
info1 = MathInfo(_TestInfoObject())
info2 = MathInfo(_TestInfoObject())
self.assertFalse(info1 < info2)
self.assertFalse(info1 > info2)
self.assertEqual(info1, info2)
def test_compare_different(self):
info1 = MathInfo(_TestInfoObject())
info2 = MathInfo(_TestInfoObject())
info2.ascender = info2.ascender - 1
self.assertFalse(info1 < info2)
self.assertTrue(info1 > info2)
self.assertNotEqual(info1, info2)
def test_weight_name(self):
info1 = MathInfo(_TestInfoObject())
info2 = MathInfo(_TestInfoObject())
info2.openTypeOS2WeightClass = 0
info3 = info1 + info2
self.assertEqual(info3.openTypeOS2WeightClass, 500)
self.assertEqual(info3.postscriptWeightName, "Medium")
info2.openTypeOS2WeightClass = 49
info3 = info1 + info2
self.assertEqual(info3.openTypeOS2WeightClass, 549)
self.assertEqual(info3.postscriptWeightName, "Medium")
info2.openTypeOS2WeightClass = 50
info3 = info1 + info2
self.assertEqual(info3.openTypeOS2WeightClass, 550)
self.assertEqual(info3.postscriptWeightName, "Semi-bold")
info2.openTypeOS2WeightClass = 50
info3 = info1 - info2
self.assertEqual(info3.openTypeOS2WeightClass, 450)
self.assertEqual(info3.postscriptWeightName, "Medium")
info2.openTypeOS2WeightClass = 51
info3 = info1 - info2
self.assertEqual(info3.openTypeOS2WeightClass, 449)
self.assertEqual(info3.postscriptWeightName, "Normal")
info2.openTypeOS2WeightClass = 500
info3 = info1 - info2
self.assertEqual(info3.openTypeOS2WeightClass, 0)
self.assertEqual(info3.postscriptWeightName, "Thin")
info2.openTypeOS2WeightClass = 1500
info3 = info1 - info2
self.assertEqual(info3.openTypeOS2WeightClass, -1000)
self.assertEqual(info3.postscriptWeightName, "Thin")
info2.openTypeOS2WeightClass = 500
info3 = info1 + info2
self.assertEqual(info3.openTypeOS2WeightClass, 1000)
self.assertEqual(info3.postscriptWeightName, "Black")
def test_round(self):
m = _TestInfoObject()
m.ascender = 699.99
m.descender = -199.99
m.xHeight = 399.66
m.postscriptSlantAngle = None
m.postscriptStemSnapH = [80.1, 90.2]
m.guidelines = [{'y': 100.99, 'x': None, 'angle': None, 'name': 'bar'}]
m.italicAngle = -9.4
m.postscriptBlueScale = 0.137
info = MathInfo(m)
info = info.round()
self.assertEqual(info.ascender, 700)
self.assertEqual(info.descender, -200)
self.assertEqual(info.xHeight, 400)
self.assertEqual(m.italicAngle, -9.4)
self.assertEqual(m.postscriptBlueScale, 0.137)
self.assertIsNone(info.postscriptSlantAngle)
self.assertEqual(info.postscriptStemSnapH, [80, 90])
self.assertEqual(
[sorted(gl.items()) for gl in info.guidelines],
[[('angle', 0), ('name', 'bar'), ('x', 0), ('y', 101)]]
)
written = {}
expected = {}
for attr, value in _testData.items():
if value is None:
continue
written[attr] = getattr(info, attr)
if isinstance(value, list):
expectedValue = [_roundNumber(v) for v in value]
else:
expectedValue = _roundNumber(value)
expected[attr] = expectedValue
self.assertEqual(sorted(expected), sorted(written))
def test_sub_undefined_number_list_sets_None(self):
self.assertIn("postscriptBlueValues", _numberListAttrs)
info1 = _TestInfoObject()
info1.postscriptBlueValues = None
m1 = MathInfo(info1)
info2 = _TestInfoObject()
info2.postscriptBlueValues = [1, 2, 3]
m2 = MathInfo(info2)
m3 = m2 - m1
self.assertIsNone(m3.postscriptBlueValues)
m4 = m1 - m2
self.assertIsNone(m4.postscriptBlueValues)
def test_number_lists_with_different_lengths(self):
self.assertIn("postscriptBlueValues", _numberListAttrs)
info1 = _TestInfoObject()
info1.postscriptBlueValues = [1, 2]
m1 = MathInfo(info1)
info2 = _TestInfoObject()
info2.postscriptBlueValues = [1, 2, 3]
m2 = MathInfo(info2)
m3 = m2 - m1
self.assertIsNone(m3.postscriptBlueValues)
m4 = m1 - m2
self.assertIsNone(m4.postscriptBlueValues)
m5 = m1 + m2
self.assertIsNone(m5.postscriptBlueValues)
# ----
# Test Data
# ----
_testData = dict(
# generic
unitsPerEm=1000,
descender=-200,
xHeight=400,
capHeight=650,
ascender=700,
italicAngle=5,
# head
openTypeHeadLowestRecPPEM=5,
# hhea
openTypeHheaAscender=700,
openTypeHheaDescender=-200,
openTypeHheaLineGap=200,
openTypeHheaCaretSlopeRise=1,
openTypeHheaCaretSlopeRun=1,
openTypeHheaCaretOffset=1,
# OS/2
openTypeOS2WidthClass=5,
openTypeOS2WeightClass=500,
openTypeOS2TypoAscender=700,
openTypeOS2TypoDescender=-200,
openTypeOS2TypoLineGap=200,
openTypeOS2WinAscent=700,
openTypeOS2WinDescent=-200,
openTypeOS2SubscriptXSize=300,
openTypeOS2SubscriptYSize=300,
openTypeOS2SubscriptXOffset=0,
openTypeOS2SubscriptYOffset=-200,
openTypeOS2SuperscriptXSize=300,
openTypeOS2SuperscriptYSize=300,
openTypeOS2SuperscriptXOffset=0,
openTypeOS2SuperscriptYOffset=500,
openTypeOS2StrikeoutSize=50,
openTypeOS2StrikeoutPosition=300,
# Vhea
openTypeVheaVertTypoAscender=700,
openTypeVheaVertTypoDescender=-200,
openTypeVheaVertTypoLineGap=200,
openTypeVheaCaretSlopeRise=1,
openTypeVheaCaretSlopeRun=1,
openTypeVheaCaretOffset=1,
# postscript
postscriptSlantAngle=-5,
postscriptUnderlineThickness=100,
postscriptUnderlinePosition=-150,
postscriptBlueValues=[-10, 0, 400, 410, 650, 660, 700, 710],
postscriptOtherBlues=[-210, -200],
postscriptFamilyBlues=[-10, 0, 400, 410, 650, 660, 700, 710],
postscriptFamilyOtherBlues=[-210, -200],
postscriptStemSnapH=[80, 90],
postscriptStemSnapV=[110, 130],
postscriptBlueFuzz=1,
postscriptBlueShift=7,
postscriptBlueScale=0.039625,
postscriptDefaultWidthX=400,
postscriptNominalWidthX=400,
# guidelines
guidelines=None
)
_testDataSubset = dict(
# generic
unitsPerEm=1000,
descender=-200,
xHeight=None,
# postscript
postscriptBlueValues=[-10, 0, 400, 410, 650],
# guidelines
guidelines=[
{'y': 100, 'x': None, 'angle': None, 'name': 'bar', 'identifier': '2'}
]
)
class _TestInfoObject(object):
def __init__(self, data=_testData):
for attr, value in data.items():
setattr(self, attr, value)
if __name__ == "__main__":
unittest.main()
|
