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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
import sys
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from common import gst, unittest
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class CapsTest(unittest.TestCase):
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def 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.structure = self.caps.get_structure(0)
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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 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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if __name__ == "__main__":
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unittest.main()
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