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84 lines
2.8 KiB
Python
84 lines
2.8 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) 2009 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from common import gobject, gst, unittest, TestCase
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class AdapterTest(TestCase):
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def setUp(self):
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TestCase.setUp(self)
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self.adapter = gst.Adapter()
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def tearDown(self):
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self.adapter = None
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TestCase.tearDown(self)
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def testAvailable(self):
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# starts empty
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self.assertEquals(self.adapter.available(), 0)
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self.assertEquals(self.adapter.available_fast(), 0)
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# let's give it 4 bytes
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self.adapter.push(gst.Buffer("1234"))
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self.assertEquals(self.adapter.available_fast(), 4)
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# let's give it another 5 bytes
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self.adapter.push(gst.Buffer("56789"))
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# we now have 9 bytes
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self.assertEquals(self.adapter.available(), 9)
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# but can only do a fast take of 4 bytes (the first buffer)
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self.assertEquals(self.adapter.available_fast(), 4)
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def testPeek(self):
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self.adapter.push(gst.Buffer("0123456789"))
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# let's peek at 5 bytes
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b = self.adapter.peek(5)
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# it can return more than 5 bytes
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self.assert_(len(b) >= 5)
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self.assertEquals(b, "01234")
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# it's still 10 bytes big
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self.assertEquals(self.adapter.available(), 10)
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# if we try to peek more than what's available, we'll have None
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self.assertEquals(self.adapter.peek(11), None)
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def testFlush(self):
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self.adapter.push(gst.Buffer("0123456789"))
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self.assertEquals(self.adapter.available(), 10)
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self.adapter.flush(5)
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self.assertEquals(self.adapter.available(), 5)
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# it flushed the first 5 bytes
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self.assertEquals(self.adapter.peek(5), "56789")
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self.adapter.flush(5)
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self.assertEquals(self.adapter.available(), 0)
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def testTake(self):
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self.adapter.push(gst.Buffer("0123456789"))
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self.assertEquals(self.adapter.available(), 10)
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s = self.adapter.take(5)
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self.assertEquals(s, "01234")
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self.assertEquals(self.adapter.available(), 5)
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