def test_eq_none_none_2(self):
a = SVGLength('1')
b = SVGLength('1.0000000001') # -> 1
self.assertNotEqual(a.value(), b.value())
self.assertAlmostEqual(a.value(a.unit), b.value(a.unit))
self.assertEqual(a.tostring(), b.tostring(a.unit)) # '1' == '1'
self.assertTrue(a == b) # 1 == 1
def test_imul(self):
a = SVGLength('1cm')
a *= 2
self.assertEqual('2cm', a.tostring())
a *= SVGLength('11mm')
self.assertEqual('2.2cm', a.tostring())
def test_negative_zero(self):
a = SVGLength(-0.0) # -0.0 -> 0
self.assertEqual('-0.0', str(a.value()))
self.assertEqual('0', a.tostring())
a = SVGLength('-0.0001')
self.assertEqual('-0.0001', str(a.value()))
self.assertEqual('0', a.tostring())
def test_eq_cm_mm(self):
# 1(cm) == 10(mm)
a = SVGLength('1cm') # 37.79527559055118
b = SVGLength('10mm') # 37.795275590551185
self.assertNotEqual(a.value(), b.value())
self.assertAlmostEqual(a.value(), b.value())
self.assertAlmostEqual(a.value(a.unit), b.value(a.unit))
self.assertEqual(a.tostring(), b.tostring(a.unit))
self.assertTrue(a == b)
def test_precision(self):
a = SVGLength('1cm') # 37.79527559055118
self.assertEqual('37.795', a.tostring(SVGLength.TYPE_NUMBER))
formatter.precision = 4
self.assertEqual('37.7953', a.tostring(SVGLength.TYPE_NUMBER))
formatter.precision = 2
# '37.80' -> '37.8'
self.assertEqual('37.8', a.tostring(SVGLength.TYPE_NUMBER))
def test_add_cm_in(self):
# 10.2(cm) + 1.8(in)
a = SVGLength('10.2cm') # 10.2 * 96 / 2.54 (px) = 385.511811023622(px)
a = a + SVGLength(
'1.8in') # 1.8in = 1.8 * 2.54cm = 4.572cm = 172.8(px)
# 10.2(cm) + 2.54(cm) = 14.771999999999998(cm)
# 385.511811(px) + 172.8(px) = 558.311811(px)
self.assertEqual('14.772cm', a.tostring())
self.assertEqual('558.312px', a.tostring(SVGLength.TYPE_PX))
self.assertEqual('cm', a.unit)
self.assertEqual(SVGLength('558.311811px'), a)
def test_iadd(self):
a = SVGLength('0.1mm')
a += SVGLength('0.1mm')
a += SVGLength('0.1mm') # 0.30000000000000004mm
self.assertEqual('0.3mm', a.tostring())
self.assertTrue(a == SVGLength('0.3mm'), msg=a.value(a.unit))
a = SVGLength('10.2cm') # 10.2 * 96 / 2.54 (px) = 385.511811...px
a += SVGLength('1.8in') # 1.8in = 1.8 * 2.54cm = 4.572cm = 172.8px
self.assertEqual('14.772cm', a.tostring()) # 10.2 + 4.572 (cm)
self.assertTrue(SVGLength('558.311811px') == a) # 385.511811 + 172.8
def test_sub(self):
a = SVGLength('0.1mm')
a = a - SVGLength('0.1mm')
a = a - SVGLength('0.1mm') # -0.1mm
self.assertEqual('-0.1mm', a.tostring())
self.assertTrue(SVGLength('-0.1mm') == a, msg=a.value(a.unit))
a = SVGLength('10.2cm') # 10.2 * 96 / 2.54 (px) = 385.511811...px
a = a - SVGLength('1.8in') # 1.8in = 1.8 * 2.54cm = 4.572cm = 172.8px
self.assertEqual('5.628cm', a.tostring()) # 10.2 - 4.572 (cm)
self.assertTrue(SVGLength('212.711811px') == a) # 385.511811 - 172.8
def test_add_mm_mm(self):
# 0.1(mm) + 0.1(mm) + 0.1(mm)
a = SVGLength('0.1mm')
a = a + SVGLength('0.1mm')
a = a + SVGLength('0.1mm')
self.assertEqual('0.3mm', a.tostring())
self.assertEqual('mm', a.unit)
self.assertEqual(0.3, a.value(SVGLength.TYPE_MM))
def test_new_value_percentage2(self):
parser = SVGParser()
root = parser.create_element('svg')
group = root.create_sub_element('g')
group.attributes.update({
'font-size': '16',
})
a = SVGLength(context=group)
a.new_value(92.00042345, SVGLength.TYPE_PERCENTAGE)
self.assertEqual(92.00042345, a.value(SVGLength.TYPE_PERCENTAGE))
self.assertEqual('%', a.unit)
self.assertEqual('92%', a.tostring())
def test_eq_none_none(self):
# 1 == 1.000000001?
SVGLength.rel_tol = 1e-9
a = SVGLength('1')
b = SVGLength('1.000000001')
self.assertNotEqual(a.value(), b.value())
self.assertAlmostEqual(a.value(a.unit), b.value(a.unit))
self.assertEqual(a.tostring(), b.tostring(a.unit)) # '1' == '1'
self.assertFalse(a == b) # 1 != 1.000000001
SVGLength.rel_tol = 1e-8
self.assertTrue(a == b) # 1 == 1.00000000
SVGLength.rel_tol = 1e-9
SVGLength.abs_tol = 1e-9
a = SVGLength('0')
b = SVGLength('-0.000000001')
self.assertNotEqual(a.value(), b.value())
self.assertAlmostEqual(a.value(a.unit), b.value(a.unit))
self.assertEqual(a.tostring(), b.tostring(a.unit)) # '1' == '1'
self.assertTrue(a == b)
SVGLength.abs_tol = 1e-10
self.assertFalse(a == b)
def test_ne(self):
a = SVGLength('1cm') # 37.79527559055118
b = SVGLength('10mm') # 37.795275590551185
self.assertNotEqual(a.value(), b.value())
self.assertEqual(a.tostring(), b.tostring(a.unit))
self.assertFalse(a != b)
a = SVGLength('1')
b = SVGLength('1.000000001')
self.assertNotEqual(a.value(), b.value())
self.assertEqual(a.tostring(), b.tostring(a.unit)) # '1' == '1'
self.assertTrue(a != b)
a = SVGLength('1')
b = SVGLength('1.0000000001') # -> 1
self.assertNotEqual(a.value(), b.value())
self.assertEqual(a.tostring(), b.tostring(a.unit)) # '1' == '1'
self.assertFalse(a != b)
def test_convert03(self):
# without context
Font.default_font_size = 20
a = SVGLength('1em')
self.assertEqual('em', a.unit)
self.assertEqual('1em', a.tostring())
# 1(em) = 2(ex)
a.convert(SVGLength.TYPE_EXS)
self.assertEqual('ex', a.unit)
self.assertEqual('2ex', a.tostring())
# 1(em) = default font size(px)
a.convert(SVGLength.TYPE_PX)
self.assertEqual('px', a.unit)
self.assertEqual('20px', a.tostring())
# 1(rem) = default font size(px)
a.convert(SVGLength.TYPE_REMS)
self.assertEqual('rem', a.unit)
self.assertEqual('1rem', a.tostring())
# 1(ch) = default font size / 2(px)
a.convert(SVGLength.TYPE_CHS)
self.assertEqual('ch', a.unit)
self.assertEqual('2ch', a.tostring())
# 100(%) = default font size(px)
a.convert(SVGLength.TYPE_PERCENTAGE)
self.assertEqual('%', a.unit)
self.assertEqual('100%', a.tostring())
# 1(ex) = 0.5(em)
a = SVGLength('1ex')
a.convert(SVGLength.TYPE_EMS)
self.assertEqual('em', a.unit)
self.assertEqual('0.5em', a.tostring())
def test_new_value_percentage(self):
a = SVGLength()
a.new_value(92.00042345, SVGLength.TYPE_PERCENTAGE)
self.assertEqual(92.00042345, a.value(SVGLength.TYPE_PERCENTAGE))
self.assertEqual('%', a.unit)
self.assertEqual('92%', a.tostring())
def test_new_value_number(self):
a = SVGLength()
a.new_value(1.0001, SVGLength.TYPE_NUMBER)
self.assertEqual(1.0001, a.value())
self.assertIsNone(a.unit)
self.assertEqual('1', a.tostring())
def test_init(self):
a = SVGLength()
self.assertEqual(0, a.value())
self.assertIsNone(a.unit)
self.assertEqual('0', a.tostring())
def test_convert01(self):
# with context
parser = SVGParser()
root = parser.create_element('svg')
group = root.create_sub_element('g')
group.attributes.update({
'font-family': 'DejaVu Sans, sans-serif',
'font-size': '16',
})
# 1(rem) = 16(px)
text = group.create_sub_element('text')
a = SVGLength('1in', context=text)
self.assertEqual('in', a.unit)
self.assertEqual('1in', a.tostring())
a.convert(SVGLength.TYPE_CM) # 1(in) = 2.54(cm)
self.assertEqual('cm', a.unit)
self.assertEqual('2.54cm', a.tostring())
a.convert(SVGLength.TYPE_PX) # 2.54(cm) = 96(px)
self.assertEqual('px', a.unit)
self.assertEqual('96px', a.tostring())
a.convert(SVGLength.TYPE_NUMBER) # 96(px) = 96
self.assertIsNone(a.unit)
self.assertEqual('96', a.tostring())
a.convert(SVGLength.TYPE_MM) # 96(px) = 25.4(mm)
self.assertEqual('mm', a.unit)
self.assertEqual('25.4mm', a.tostring())
# 100(%) = 16(px)
a.convert(SVGLength.TYPE_PERCENTAGE) # 96(px) = 600(%)
self.assertEqual('%', a.unit)
self.assertEqual('600%', a.tostring())
# 100(%) = 1(em)
a.convert(SVGLength.TYPE_EMS) # 600(%) = 6(em)
self.assertEqual('em', a.unit)
self.assertEqual('6em', a.tostring())
# 1(ex) = x-height(px)
# 96(px) -> x-height: 53(px)
# 96(px) / 53(px) = 1.8113...
a.convert(SVGLength.TYPE_EXS)
self.assertEqual('ex', a.unit)
self.assertEqual('1.811ex', a.tostring())
# font-family: "DejaVu Sans", sans-serif
# element font size: 16(px) -> 1(ex) = 9(px)
# 1.8113(ex) = 1.8113 * 9 = 16.3017...(px)
# 1(px) = 0.75(pt)
# 16.3017 * 0.75 = 12.2263...(pt)
a.convert(SVGLength.TYPE_PT)
self.assertEqual('pt', a.unit)
self.assertEqual('12.226pt', a.tostring())
# 1(pt) = 1 / 12(pc)
# 12.2263(pt) = 1.0189...(pc)
a.convert(SVGLength.TYPE_PC)
self.assertEqual('pc', a.unit)
self.assertEqual('1.019pc', a.tostring())
