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Add unittests for collapsing of straight path segments

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This commit is contained in:
Eduard Braun 2017-05-17 22:07:04 +02:00
parent 8d7220c222
commit 9712b71b86
3 changed files with 66 additions and 24 deletions
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52
testscour.py
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@ -1224,28 +1224,44 @@ class RemoveFontStylesFromNonTextShapes(unittest.TestCase):
'font-size not removed from rect')
class CollapseConsecutiveHLinesSegments(unittest.TestCase):
class CollapseStraightPathSegments(unittest.TestCase):
def runTest(self):
p = scourXmlFile('unittests/consecutive-hlines.svg').getElementsByTagNameNS(SVGNS, 'path')[0]
self.assertEqual(p.getAttribute('d'), 'm100 100h200v100h-200z',
'Did not collapse consecutive hlines segments')
doc = scourXmlFile('unittests/collapse-straight-path-segments.svg', parse_args(['--disable-style-to-xml']))
paths = doc.getElementsByTagNameNS(SVGNS, 'path')
path_data = [path.getAttribute('d') for path in paths]
path_data_expected = ['m0 0h30',
'm0 0v30',
'm0 0h10.5v10.5',
'm0 0h10-1v10-1',
'm0 0h30',
'm0 0h30',
'm0 0h10 20',
'm0 0h10 20',
'm0 0h10 20',
'm0 0h10 20',
'm0 0 20 40',
'm0 0 10 10-20-20 10 10-20-20',
'm0 0 1 2m1 2 2 4m1 2 2 4',
'm6.3228 7.1547 81.198 45.258']
self.assertEqual(path_data[0:3], path_data_expected[0:3],
'Did not collapse h/v commands into a single h/v commands')
self.assertEqual(path_data[3], path_data_expected[3],
'Collapsed h/v commands with different direction')
self.assertEqual(path_data[4:6], path_data_expected[4:6],
'Did not collapse h/v commands with only start/end markers present')
self.assertEqual(path_data[6:10], path_data_expected[6:10],
'Did not preserve h/v commands with intermediate markers present')
class CollapseConsecutiveHLinesCoords(unittest.TestCase):
def runTest(self):
p = scourXmlFile('unittests/consecutive-hlines.svg').getElementsByTagNameNS(SVGNS, 'path')[1]
self.assertEqual(p.getAttribute('d'), 'm100 300h200v100h-200z',
'Did not collapse consecutive hlines coordinates')
class DoNotCollapseConsecutiveHLinesSegsWithDifferingSigns(unittest.TestCase):
def runTest(self):
p = scourXmlFile('unittests/consecutive-hlines.svg').getElementsByTagNameNS(SVGNS, 'path')[2]
self.assertEqual(p.getAttribute('d'), 'm100 500h300-100v100h-200z',
'Collapsed consecutive hlines segments with differing signs')
self.assertEqual(path_data[10], path_data_expected[10],
'Did not collapse lineto commands into a single (implicit) lineto command')
self.assertEqual(path_data[11], path_data_expected[11],
'Collapsed lineto commands with different direction')
self.assertEqual(path_data[12], path_data_expected[12],
'Collapsed first parameter pair of a moveto subpath')
self.assertEqual(path_data[13], path_data_expected[13],
'Did not collapse the nodes of a straight real world path')
class ConvertStraightCurvesToLines(unittest.TestCase):