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2aa12f0142
Original commit message from CVS: * gst/gst.defs: Update for new API * gst/gst.override: Added unreffing for gst.Registry.get_plugin_list and .get_feature_list * testsuite/common.py: removed crude hack for gst.Registry and gst.Plugin * testsuite/test_interface.py: * testsuite/test_caps.py: * testsuite/test_struct.py: * testsuite/test_xml.py: converted to using common's TestCase class * testsuite/test_event.py: Enabled/fixed previously non working test * testsuite/test_registry.py: Now uses common's TestCase class, added special case setUp()
172 lines
6.5 KiB
Python
172 lines
6.5 KiB
Python
# -*- Mode: Python -*-
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# vi:si:et:sw=4:sts=4:ts=4
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#
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# gst-python - Python bindings for GStreamer
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# Copyright (C) 2002 David I. Lehn
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# Copyright (C) 2004 Johan Dahlin
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# Copyright (C) 2005 Edward Hervey
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import sys
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from common import gst, unittest, TestCase
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class CapsTest(TestCase):
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def setUp(self):
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TestCase.setUp(self)
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self.caps = gst.caps_from_string('video/x-raw-yuv,width=10,framerate=5.0;video/x-raw-rgb,width=15,framerate=10.0')
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self.assertEquals(self.caps.__refcount__, 1)
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self.structure = self.caps[0]
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self.any = gst.Caps("ANY")
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self.assertEquals(self.any.__refcount__, 1)
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self.empty = gst.Caps()
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self.assertEquals(self.empty.__refcount__, 1)
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def testCapsMime(self):
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mime = self.structure.get_name()
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assert mime == 'video/x-raw-yuv'
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def testCapsList(self):
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'check if we can access Caps as a list'
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structure = self.caps[0]
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mime = structure.get_name()
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assert mime == 'video/x-raw-yuv'
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structure = self.caps[1]
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mime = structure.get_name()
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assert mime == 'video/x-raw-rgb'
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def testCapsConstructEmpty(self):
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caps = gst.Caps()
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assert isinstance(caps, gst.Caps)
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def testCapsConstructFromString(self):
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caps = gst.Caps('video/x-raw-yuv,width=10')
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assert isinstance(caps, gst.Caps)
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assert len(caps) == 1
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assert isinstance(caps[0], gst.Structure)
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assert caps[0].get_name() == 'video/x-raw-yuv'
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assert isinstance(caps[0]['width'], int)
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assert caps[0]['width'] == 10
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def testCapsConstructFromStructure(self):
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struct = gst.structure_from_string('video/x-raw-yuv,width=10')
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caps = gst.Caps(struct)
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assert isinstance(caps, gst.Caps)
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assert len(caps) == 1
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assert isinstance(caps[0], gst.Structure)
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assert caps[0].get_name() == 'video/x-raw-yuv'
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assert isinstance(caps[0]['width'], int)
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assert caps[0]['width'] == 10
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def testCapsConstructFromStructures(self):
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struct1 = gst.structure_from_string('video/x-raw-yuv,width=10')
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struct2 = gst.structure_from_string('video/x-raw-rgb,height=20.0')
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caps = gst.Caps(struct1, struct2)
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assert isinstance(caps, gst.Caps)
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assert len(caps) == 2
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struct = caps[0]
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assert isinstance(struct, gst.Structure), struct
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assert struct.get_name() == 'video/x-raw-yuv', struct.get_name()
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assert struct.has_key('width')
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assert isinstance(struct['width'], int)
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assert struct['width'] == 10
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struct = caps[1]
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assert isinstance(struct, gst.Structure), struct
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assert struct.get_name() == 'video/x-raw-rgb', struct.get_name()
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assert struct.has_key('height')
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assert isinstance(struct['height'], float)
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assert struct['height'] == 20.0
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def testCapsRefernceStructs(self):
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'test that shows why it\'s not a good idea to use structures by reference'
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caps = gst.Caps('hi/mom,width=0')
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structure = caps[0]
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del caps
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assert structure['width'] == 0
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def testCapsStructureChange(self):
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'test if changing the structure of the caps works by reference'
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assert self.structure['width'] == 10
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self.structure['width'] = 5
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assert self.structure['width'] == 5.0
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# check if we changed the caps as well
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structure = self.caps[0]
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assert structure['width'] == 5.0
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def testCapsBadConstructor(self):
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struct = gst.structure_from_string('video/x-raw-yuv,width=10')
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self.assertRaises(TypeError, gst.Caps, None)
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self.assertRaises(TypeError, gst.Caps, 1)
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self.assertRaises(TypeError, gst.Caps, 2.0)
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self.assertRaises(TypeError, gst.Caps, object)
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self.assertRaises(TypeError, gst.Caps, 1, 2, 3)
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# This causes segfault!
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#self.assertRaises(TypeError, gst.Caps, struct, 10, None)
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def testTrueFalse(self):
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'test that comparisons using caps work the intended way'
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assert self.any # not empty even though it has no structures
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assert not self.empty
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assert not gst.Caps('EMPTY') # also empty
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assert gst.Caps('your/mom')
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def testComparisons(self):
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assert self.empty < self.any
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assert self.empty < self.structure
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assert self.empty < self.caps
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assert self.caps < self.any
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assert self.empty <= self.empty
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assert self.caps <= self.caps
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assert self.caps <= self.any
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assert self.empty == "EMPTY"
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assert self.caps != self.any
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assert self.empty != self.any
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assert self.any > self.empty
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assert self.any >= self.empty
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def testFilters(self):
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name = 'video/x-raw-yuv'
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filtercaps = gst.Caps(*[struct for struct in self.caps if struct.get_name() == name])
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intersection = self.caps & 'video/x-raw-yuv'
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assert filtercaps == intersection
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def doSubtract(self, set, subset):
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'''mimic the test in GStreamer core's testsuite/caps/subtract.c'''
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assert not set - set
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assert not subset - subset
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assert not subset - set
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test = set - subset
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assert test
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test2 = test | subset
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test = test2 - set
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assert not test
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#our own extensions foolow here
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assert subset == set & subset
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assert set == set | subset
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assert set - subset == set ^ subset
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def testSubtract(self):
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self.doSubtract(
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gst.Caps ("some/mime, _int = [ 1, 2 ], list = { \"A\", \"B\", \"C\" }"),
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gst.Caps ("some/mime, _int = 1, list = \"A\""))
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self.doSubtract(
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gst.Caps ("some/mime, _double = (double) 1.0; other/mime, _int = { 1, 2 }"),
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gst.Caps ("some/mime, _double = (double) 1.0"))
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if __name__ == "__main__":
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unittest.main()
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