237 lines
10 KiB
Python
Executable file
237 lines
10 KiB
Python
Executable file
#!/usr/local/bin/python
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# Test Harness for Scour
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#
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# Copyright 2009 Jeff Schiller
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#
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# This file is part of Scour, http://www.codedread.com/scour/
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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import scour
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import xml.dom.minidom
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SVGNS = 'http://www.w3.org/2000/svg'
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# I couldn't figure out how to get ElementTree to work with the following XPath
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# "//*[namespace-uri()='http://example.com']"
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# so I decided to use minidom and this helper function that performs a test on a given node
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# and all its children
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# func must return either True (if pass) or False (if fail)
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def walkTree(elem, func):
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if func(elem) == False: return False
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for child in elem.childNodes:
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if walkTree(child, func) == False: return False
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return True
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class NoInkscapeElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/sodipodi.svg').documentElement,
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lambda e: e.namespaceURI != 'http://www.inkscape.org/namespaces/inkscape'), False,
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'Found Inkscape elements' )
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class NoSodipodiElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/sodipodi.svg').documentElement,
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lambda e: e.namespaceURI != 'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd'), False,
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'Found Sodipodi elements' )
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class NoAdobeIllustratorElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/AdobeIllustrator/10.0/'), False,
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'Found Adobe Illustrator elements' )
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class NoAdobeGraphsElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/Graphs/1.0/'), False,
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'Found Adobe Graphs elements' )
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class NoAdobeSVGViewerElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/'), False,
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'Found Adobe SVG Viewer elements' )
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class NoAdobeVariablesElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/Variables/1.0/'), False,
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'Found Adobe Variables elements' )
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class NoAdobeSaveForWebElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/SaveForWeb/1.0/'), False,
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'Found Adobe Save For Web elements' )
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class NoAdobeExtensibilityElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/Extensibility/1.0/'), False,
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'Found Adobe Extensibility elements' )
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class NoAdobeFlowsElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/Flows/1.0/'), False,
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'Found Adobe Flows elements' )
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class NoAdobeImageReplacementElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/ImageReplacement/1.0/'), False,
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'Found Adobe Image Replacement elements' )
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class NoAdobeCustomElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/GenericCustomNamespace/1.0/'), False,
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'Found Adobe Custom elements' )
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class NoAdobeXPathElements(unittest.TestCase):
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def runTest(self):
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/adobe.svg').documentElement,
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lambda e: e.namespaceURI != 'http://ns.adobe.com/XPath/1.0/'), False,
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'Found Adobe XPath elements' )
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class DoNotRemoveMetadataWithOnlyText(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/metadata-with-text.svg')
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self.assertEquals(len(doc.getElementsByTagNameNS(SVGNS, 'metadata')), 1,
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'Removed metadata element with only text child' )
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class RemoveEmptyMetadataElement(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/empty-metadata.svg')
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self.assertEquals(len(doc.getElementsByTagNameNS(SVGNS, 'metadata')), 0,
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'Did not remove empty metadata element' )
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class RemoveEmptyGElements(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/empty-g.svg')
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self.assertEquals(len(doc.getElementsByTagNameNS(SVGNS, 'g')), 1,
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'Did not remove empty g element' )
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class RemoveUnreferencedPattern(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/unreferenced-pattern.svg')
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self.assertEquals(len(doc.getElementsByTagNameNS(SVGNS, 'pattern')), 0,
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'Unreferenced pattern not removed' )
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class RemoveUnreferencedLinearGradient(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/unreferenced-linearGradient.svg')
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self.assertEquals(len(doc.getElementsByTagNameNS(SVGNS, 'linearGradient')), 0,
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'Unreferenced linearGradient not removed' )
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class RemoveUnreferencedRadialGradient(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/unreferenced-radialGradient.svg')
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self.assertEquals(len(doc.getElementsByTagNameNS(SVGNS, 'radialradient')), 0,
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'Unreferenced radialGradient not removed' )
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class RemoveUnreferencedElementInDefs(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/referenced-elements-1.svg')
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self.assertEquals(len(doc.getElementsByTagNameNS(SVGNS, 'rect')), 1,
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'Unreferenced rect left in defs' )
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class KeepTitleInDefs(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/referenced-elements-1.svg')
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self.assertEquals(len(doc.getElementsByTagNameNS(SVGNS, 'title')), 1,
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'Title removed from in defs' )
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class KeepUnreferencedIDsWhenEnabled(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/ids-to-strip.svg')
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self.assertEquals(doc.getElementsByTagNameNS(SVGNS, 'svg')[0].getAttribute('id'), 'boo',
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'<svg> ID stripped when it should be disabled' )
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class RemoveUnreferencedIDsWhenEnabled(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/ids-to-strip.svg', ['--enable-id-stripping'])
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self.assertEquals(doc.getElementsByTagNameNS(SVGNS, 'svg')[0].getAttribute('id'), '',
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'<svg> ID not stripped' )
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class RemoveUselessNestedGroups(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/nested-useless-groups.svg')
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self.assertEquals(len(doc.getElementsByTagNameNS(SVGNS, 'g')), 1,
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'Useless nested groups not removed' )
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class RemoveDuplicateLinearGradientStops(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/duplicate-gradient-stops.svg')
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grad = doc.getElementsByTagNameNS(SVGNS, 'linearGradient')
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self.assertEquals(len(grad[0].getElementsByTagNameNS(SVGNS, 'stop')), 3,
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'Duplicate linear gradient stops not removed' )
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class RemoveDuplicateRadialGradientStops(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/duplicate-gradient-stops.svg')
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grad = doc.getElementsByTagNameNS(SVGNS, 'radialGradient')
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self.assertEquals(len(grad[0].getElementsByTagNameNS(SVGNS, 'stop')), 3,
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'Duplicate radial gradient stops not removed' )
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class NoSodipodiNamespaceDecl(unittest.TestCase):
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def runTest(self):
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attrs = scour.scourXmlFile('unittests/sodipodi.svg').documentElement.attributes
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for i in range(len(attrs)):
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self.assertNotEquals(attrs.item(i).nodeValue,
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'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd',
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'Sodipodi namespace declaration found' )
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class NoInkscapeNamespaceDecl(unittest.TestCase):
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def runTest(self):
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attrs = scour.scourXmlFile('unittests/inkscape.svg').documentElement.attributes
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for i in range(len(attrs)):
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self.assertNotEquals(attrs.item(i).nodeValue,
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'http://www.inkscape.org/namespaces/inkscape',
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'Inkscape namespace declaration found' )
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class NoSodipodiAttributes(unittest.TestCase):
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def runTest(self):
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def findSodipodiAttr(elem):
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attrs = elem.attributes
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if attrs == None: return True
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for i in range(len(attrs)):
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if attrs.item(i).namespaceURI == 'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd':
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return False
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return True
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/sodipodi.svg').documentElement,
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findSodipodiAttr), False,
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'Found Sodipodi attributes' )
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class NoInkscapeAttributes(unittest.TestCase):
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def runTest(self):
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def findInkscapeAttr(elem):
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attrs = elem.attributes
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if attrs == None: return True
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for i in range(len(attrs)):
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if attrs.item(i).namespaceURI == 'http://www.inkscape.org/namespaces/inkscape':
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return False
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return True
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self.assertNotEquals(walkTree(scour.scourXmlFile('unittests/inkscape.svg').documentElement,
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findInkscapeAttr), False,
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'Found Inkscape attributes' )
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class KeepReferencedFonts(unittest.TestCase):
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def runTest(self):
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doc = scour.scourXmlFile('unittests/referenced-font.svg')
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fonts = doc.documentElement.getElementsByTagNameNS('http://www.w3.org/2000/svg','font')
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self.assertEquals(len(fonts), 1,
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"Font wrongly removed from <defs>" )
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#class RemoveUnreferencedFonts(unittest.TestCase):
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# def runTest(self):
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# doc = scour.scourXmlFile('unittests/unreferenced-font.svg')
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# fonts = doc.documentElement.getElementsByTagNameNS('http://www.w3.org/2000/svg','font')
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# self.assertEquals(len(fonts), 0,
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# "Font was not removed from <defs>" )
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if __name__ == '__main__':
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unittest.main()
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