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# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
#
# gst-python - Python bindings for GStreamer
# Copyright (C) 2002 David I. Lehn
# Copyright (C) 2004 Johan Dahlin
# Copyright (C) 2005 Edward Hervey
#
# 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 02110-1301 USA
import sys
from common import gst, unittest, TestCase
class StructureTest(TestCase):
def setUp(self):
TestCase.setUp(self)
self.struct = gst.structure_from_string('video/x-raw-yuv,width=10,foo="bar",pixel-aspect-ratio=1/2,framerate=5/1,boolean=(boolean)true')
def testName(self):
assert self.struct.get_name() == 'video/x-raw-yuv'
self.struct.set_name('foobar')
assert self.struct.get_name() == 'foobar'
def testInt(self):
assert self.struct.has_key('width')
assert isinstance(self.struct['width'], int)
assert self.struct['width'] == 10, self.struct['width']
self.struct['width'] = 5
assert self.struct.has_key('width')
assert isinstance(self.struct['width'], int)
assert self.struct['width'] == 5, self.struct['width']
def testString(self):
assert self.struct.has_key('foo')
assert isinstance(self.struct['foo'], unicode)
assert self.struct['foo'] == 'bar', self.struct['foo']
self.struct['foo'] = 'baz'
assert self.struct.has_key('foo')
assert isinstance(self.struct['foo'], unicode)
assert self.struct['foo'] == 'baz', self.struct['foo']
def testBoolean(self):
assert self.struct.has_key('boolean')
assert isinstance(self.struct['boolean'], bool)
assert self.struct['boolean'] == True, self.struct['boolean']
self.struct['boolean'] = False
assert self.struct.has_key('boolean')
assert isinstance(self.struct['boolean'], bool)
assert self.struct['boolean'] == False, self.struct['boolean']
def testCreateInt(self):
self.struct['integer'] = 5
assert self.struct.has_key('integer')
assert isinstance(self.struct['integer'], int)
assert self.struct['integer'] == 5, self.struct['integer']
def testGstValue(self):
s = self.struct
s['fourcc'] = gst.Fourcc('XVID')
assert s['fourcc'].fourcc == 'XVID'
s['frac'] = gst.Fraction(3,4)
assert s['frac'].num == 3
assert s['frac'].denom == 4
s['fracrange'] = gst.FractionRange(gst.Fraction(0,1),
gst.Fraction(25,3))
assert s['fracrange'].low.num == 0
assert s['fracrange'].low.denom == 1
assert s['fracrange'].high.num == 25
assert s['fracrange'].high.denom == 3
s['intrange'] = gst.IntRange(5,21)
assert s['intrange'].low == 5
assert s['intrange'].high == 21
s['doublerange'] = gst.DoubleRange(6.,21.)
assert s['doublerange'].low == 6.
assert s['doublerange'].high == 21.
s['fixedlist'] = (4, 5, 6)
assert isinstance(s['fixedlist'], tuple)
assert s['fixedlist'] == (4, 5, 6)
s['list'] = [4, 5, 6]
assert isinstance(s['list'], list)
assert s['list'] == [4, 5, 6]
s['boolean'] = True
assert isinstance(s['boolean'], bool)
assert s['boolean'] == True
# finally, some recursive tests
s['rflist'] = ([(['a', 'b'], ['c', 'd']),'e'], ['f', 'g'])
assert s['rflist'] == ([(['a', 'b'], ['c', 'd']),'e'], ['f', 'g'])
s['rlist'] = [([(['a', 'b'], ['c', 'd']),'e'], ['f', 'g']), 'h']
assert s['rlist'] == [([(['a', 'b'], ['c', 'd']),'e'], ['f', 'g']), 'h']
def testStructureChange(self):
assert self.struct['framerate'] == gst.Fraction(5, 1)
self.struct['framerate'] = gst.Fraction(10, 1)
assert self.struct['framerate'] == gst.Fraction(10, 1)
self.struct['pixel-aspect-ratio'] = gst.Fraction(4, 2)
assert self.struct['pixel-aspect-ratio'].num == 2
assert self.struct['pixel-aspect-ratio'].denom == 1
def testKeys(self):
k = self.struct.keys()
self.failUnless(k)
self.assertEquals(len(k), 5)
self.failUnless("width" in k)
self.failUnless("foo" in k)
self.failUnless("framerate" in k)
self.failUnless("pixel-aspect-ratio" in k)
self.failUnless("boolean" in k)
if __name__ == "__main__":
unittest.main()
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