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# coding=utf-8
"""
Test each of the extensions base classes (if needed) and sometimes provide
specialised test classes for testers to use.
"""
import inkex
from inkex.tester import ComparisonMixin, TestCase
class TurnGreenEffect(inkex.ColorExtension):
"""Turn everything the purest green!"""
def modify_color(self, name, color):
return inkex.Color('green')
def modify_opacity(self, name, opacity):
if name == 'opacity':
return 1.0
return opacity
class ColorEffectTest(ComparisonMixin, TestCase):
"""Direct tests for color mechanisms"""
effect_class = TurnGreenEffect
effect_name = 'inkex_extensions_color'
compare_file = 'svg/colors.svg'
python3_only = True
comparisons = [
('--id=r1',), # One shape only
('--id=r2',), # CSS Styles
('--id=r3',), # Element Attributes
('--id=r4',), # Gradient stops
('--id=r1', '--id=r2'), # Two shapes
('--id=color_svg',), # Recursive group/children
(), # Process all shapes
]
class ColorBaseCase(TestCase):
"""Base class for all color effect extensions"""
color_tests = []
opacity_tests = []
def _test_list(self, tsts):
for tst in tsts:
inp, outp, args = (list(tst) + [[]])[:3]
self.effect.parse_arguments([self.empty_svg] + args)
yield inp, outp
def test_colors(self):
"""Run all color tests"""
for x, (inp, outp) in enumerate(self._test_list(self.color_tests)):
outp = inkex.Color(outp)
got = self.effect._modify_color('fill', inkex.Color(inp))
self.assertTrue(isinstance(got, inkex.Color),\
"Bad output type: {}".format(type(got).__name__))
outp, got = str(outp), str(got.to(outp.space))
self.assertEqual(outp, got,\
"Color mismatch, test:{} {} != {}".format(x, outp, got))
for x, (inp, outp) in enumerate(self._test_list(self.opacity_tests)):
got = self.effect.modify_opacity('opacity', inp)
self.assertTrue(isinstance(got, float))
self.assertAlmostEqual(got, outp, delta=0.1)
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