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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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117 lines
4.2 KiB
Python
117 lines
4.2 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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# Copyright (C) 2005 Johan Dahlin
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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import unittest
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from common import gst, TestCase
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class IteratorTest(TestCase):
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# XXX: Elements
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def testBinIterateElements(self):
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pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
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elements = list(pipeline.elements())
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fakesrc = pipeline.get_by_name("src")
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fakesink = pipeline.get_by_name("sink")
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self.assertEqual(len(elements), 2)
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self.failUnless(fakesrc in elements)
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self.failUnless(fakesink in elements)
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pipeline.remove(fakesrc)
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elements = list(pipeline.elements())
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self.assertEqual(len(elements), 1)
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self.failUnless(not fakesrc in pipeline)
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# XXX : There seems to be a problem about the GType
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# set in gst_bin_iterated_sorted
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def testBinIterateSorted(self):
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pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
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elements = list(pipeline.sorted())
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fakesrc = pipeline.get_by_name("src")
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fakesink = pipeline.get_by_name("sink")
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self.assertEqual(elements[0], fakesink)
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self.assertEqual(elements[1], fakesrc)
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def testBinIterateRecurse(self):
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pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
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elements = list(pipeline.recurse())
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fakesrc = pipeline.get_by_name("src")
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fakesink = pipeline.get_by_name("sink")
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self.assertEqual(elements[0], fakesink)
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self.assertEqual(elements[1], fakesrc)
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def testBinIterateSinks(self):
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pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
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elements = list(pipeline.sinks())
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fakesrc = pipeline.get_by_name("src")
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fakesink = pipeline.get_by_name("sink")
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self.assertEqual(len(elements), 1)
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self.failUnless(fakesink in elements)
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self.failUnless(not fakesrc in elements)
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def testIteratePadsFakeSrc(self):
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fakesrc = gst.element_factory_make('fakesrc')
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pads = list(fakesrc.pads())
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srcpad = fakesrc.get_pad('src')
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self.assertEqual(len(pads), 1)
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self.assertEqual(pads[0], srcpad)
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srcpads = list(fakesrc.src_pads())
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self.assertEqual(len(srcpads), 1)
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self.assertEqual(srcpads[0], srcpad)
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sinkpads = list(fakesrc.sink_pads())
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self.assertEqual(sinkpads, [])
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self.assertEqual(len(list(fakesrc)), 1)
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for pad in fakesrc:
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self.assertEqual(pad, srcpad)
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break
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else:
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raise AssertionError
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def testIteratePadsFakeSink(self):
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fakesink = gst.element_factory_make('fakesink')
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pads = list(fakesink.pads())
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sinkpad = fakesink.get_pad('sink')
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self.assertEqual(len(pads), 1)
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self.assertEqual(pads[0], sinkpad)
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srcpads = list(fakesink.src_pads())
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self.assertEqual(srcpads, [])
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sinkpads = list(fakesink.sink_pads())
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self.assertEqual(len(sinkpads), 1)
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self.assertEqual(sinkpads[0], sinkpad)
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self.assertEqual(len(list(fakesink)), 1)
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for pad in fakesink:
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self.assertEqual(pad, sinkpad)
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break
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else:
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raise AssertionError
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def testInvalidIterator(self):
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p = gst.Pad("p", gst.PAD_SRC)
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# The C function will return NULL, we should
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# therefore have an exception raised
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self.assertRaises(TypeError, p.iterate_internal_links)
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del p
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