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# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
#
# Copyright (C) 2005 Johan Dahlin
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA
import unittest
from common import gst, TestCase
class IteratorTest(TestCase):
# XXX: Elements
def testBinIterateElements(self):
pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
elements = list(pipeline.elements())
fakesrc = pipeline.get_by_name("src")
fakesink = pipeline.get_by_name("sink")
self.assertEqual(len(elements), 2)
self.failUnless(fakesrc in elements)
self.failUnless(fakesink in elements)
pipeline.remove(fakesrc)
elements = list(pipeline.elements())
self.assertEqual(len(elements), 1)
self.failUnless(not fakesrc in pipeline)
# XXX : There seems to be a problem about the GType
# set in gst_bin_iterated_sorted
def testBinIterateSorted(self):
pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
elements = list(pipeline.sorted())
fakesrc = pipeline.get_by_name("src")
fakesink = pipeline.get_by_name("sink")
self.assertEqual(elements[0], fakesink)
self.assertEqual(elements[1], fakesrc)
def testBinIterateRecurse(self):
pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
elements = list(pipeline.recurse())
fakesrc = pipeline.get_by_name("src")
fakesink = pipeline.get_by_name("sink")
self.assertEqual(elements[0], fakesink)
self.assertEqual(elements[1], fakesrc)
def testBinIterateSinks(self):
pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
elements = list(pipeline.sinks())
fakesrc = pipeline.get_by_name("src")
fakesink = pipeline.get_by_name("sink")
self.assertEqual(len(elements), 1)
self.failUnless(fakesink in elements)
self.failUnless(not fakesrc in elements)
def testIteratePadsFakeSrc(self):
fakesrc = gst.element_factory_make('fakesrc')
pads = list(fakesrc.pads())
srcpad = fakesrc.get_pad('src')
self.assertEqual(len(pads), 1)
self.assertEqual(pads[0], srcpad)
srcpads = list(fakesrc.src_pads())
self.assertEqual(len(srcpads), 1)
self.assertEqual(srcpads[0], srcpad)
sinkpads = list(fakesrc.sink_pads())
self.assertEqual(sinkpads, [])
self.assertEqual(len(list(fakesrc)), 1)
for pad in fakesrc:
self.assertEqual(pad, srcpad)
break
else:
raise AssertionError
def testIteratePadsFakeSink(self):
fakesink = gst.element_factory_make('fakesink')
pads = list(fakesink.pads())
sinkpad = fakesink.get_pad('sink')
self.assertEqual(len(pads), 1)
self.assertEqual(pads[0], sinkpad)
srcpads = list(fakesink.src_pads())
self.assertEqual(srcpads, [])
sinkpads = list(fakesink.sink_pads())
self.assertEqual(len(sinkpads), 1)
self.assertEqual(sinkpads[0], sinkpad)
self.assertEqual(len(list(fakesink)), 1)
for pad in fakesink:
self.assertEqual(pad, sinkpad)
break
else:
raise AssertionError
def testInvalidIterator(self):
p = gst.Pad("p", gst.PAD_SRC)
# The C function will return NULL, we should
# therefore have an exception raised
self.assertRaises(TypeError, p.iterate_internal_links)
del p
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