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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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