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  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2011-07-07 13:43:47 UTC
  • mto: (6.1.9 sid) (1.2.12)
  • mto: This revision was merged to the branch mainline in revision 32.
  • Revision ID: james.westby@ubuntu.com-20110707134347-cari9kxjiakzej9z
Tags: upstream-0.14.1
Import upstream version 0.14.1

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tests/test_seeker.py
 
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# PiTiVi , Non-linear video editor
 
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#
 
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#       tests/test_timeline.py
 
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#
 
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# Copyright (c) 2009, Alessandro Decina <alessandro.decina@collabora.co.uk>
 
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#
 
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# This program 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 program 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 program; if not, write to the
 
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 
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# Boston, MA 02110-1301, USA.
 
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from unittest import TestCase
 
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from pitivi.utils import Seeker
 
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import gst
 
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class StubSeeker(Seeker):
 
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    seek_id = 0
 
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    def _scheduleSeek(self, position, format):
 
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        # mock Seeker._scheduleSeek so that we don't need a mainloop
 
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        seek_id = self.seek_id
 
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        self.seek_id += 1
 
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        return seek_id
 
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class TestSeeker(TestCase):
 
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    def setUp(self):
 
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        self.seek_count = 0
 
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        self.seek_position = None
 
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        self.seek_format = None
 
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    def testSeek(self):
 
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        def seek_cb(seeker, position, format):
 
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            self.seek_count += 1
 
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            self.seek_position = position
 
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            self.seek_format = format
 
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        seeker = StubSeeker(timeout=10)
 
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        seeker.connect('seek', seek_cb)
 
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        # first seek should happen immediately
 
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        seeker.seek(1)
 
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        self.failUnlessEqual(self.seek_count, 1)
 
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        self.failUnlessEqual(self.seek_position, 1)
 
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        self.failUnlessEqual(self.seek_format, gst.FORMAT_TIME)
 
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        self.failUnlessEqual(seeker.pending_seek_id, 0)
 
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        self.failUnlessEqual(seeker.position, None)
 
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        self.failUnlessEqual(seeker.format, None)
 
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        # second seek is queued
 
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        seeker.seek(2, gst.FORMAT_BYTES)
 
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        self.failUnlessEqual(seeker.pending_seek_id, 0)
 
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        self.failUnlessEqual(seeker.position, 2)
 
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        self.failUnlessEqual(seeker.format, gst.FORMAT_BYTES)
 
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        # ... until the timeout triggers
 
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        seeker._seekTimeoutCb()
 
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        self.failUnlessEqual(self.seek_count, 2)
 
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        self.failUnlessEqual(self.seek_position, 2)
 
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        self.failUnlessEqual(self.seek_format, gst.FORMAT_BYTES)
 
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        self.failUnlessEqual(seeker.pending_seek_id, None)
 
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        self.failUnlessEqual(seeker.position, None)
 
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        self.failUnlessEqual(seeker.format, None)
 
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        # do another first-seek
 
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        seeker.seek(3)
 
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        self.failUnlessEqual(seeker.pending_seek_id, 1)
 
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        self.failUnlessEqual(self.seek_count, 3)
 
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        self.failUnlessEqual(seeker.position, None)
 
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        self.failUnlessEqual(seeker.format, None)
 
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        # timeout with None position
 
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        seeker._seekTimeoutCb()