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#!/usr/bin/python
#
# testsuite for gstreamer.Element
from common import gst, unittest
class ElementTest(unittest.TestCase):
name = 'fakesink'
alias = 'sink'
def testGoodConstructor(self):
element = gst.element_factory_make(self.name, self.alias)
assert element is not None, 'element is None'
assert isinstance(element, gst.Element)
assert element.get_name() == self.alias
class FakeSinkTest(ElementTest):
FAKESINK_STATE_ERROR_NONE = "0"
FAKESINK_STATE_ERROR_NULL_READY, = "1"
FAKESINK_STATE_ERROR_READY_PAUSED, = "2"
FAKESINK_STATE_ERROR_PAUSED_PLAYING = "3"
FAKESINK_STATE_ERROR_PLAYING_PAUSED = "4"
FAKESINK_STATE_ERROR_PAUSED_READY = "5"
FAKESINK_STATE_ERROR_READY_NULL = "6"
name = 'fakesink'
alias = 'sink'
def setUp(self):
self.element = gst.element_factory_make('fakesink', 'sink')
def checkError(self, old_state, state, name):
assert self.element.get_state() == gst.STATE_NULL
assert self.element.set_state(old_state)
assert self.element.get_state() == old_state
self.element.set_property('state-error', name)
self.error = False
def error_cb(element, source, gerror, debug):
assert isinstance(element, gst.Element)
assert element == self.element
assert isinstance(source, gst.Element)
assert source == self.element
assert isinstance(gerror, gst.GError)
self.error = True
self.element.connect('error', error_cb)
self.element.set_state (state)
assert self.error, 'error not set'
#assert error_message.find('ERROR') != -1
self.element.get_state() == old_state, 'state changed'
## def testStateErrorNullReady(self):
## self.checkError(gst.STATE_NULL, gst.STATE_READY,
## self.FAKESINK_STATE_ERROR_NULL_READY)
## def testStateErrorReadyPaused(self):
## self.checkError(gst.STATE_READY, gst.STATE_PAUSED,
## self.FAKESINK_STATE_ERROR_READY_PAUSED)
## def testStateErrorPausedPlaying(self):
## self.checkError(gst.STATE_PAUSED, gst.STATE_PLAYING,
## self.FAKESINK_STATE_ERROR_PAUSED_PLAYING)
## def testStateErrorPlayingPaused(self):
## self.checkError(gst.STATE_PLAYING, gst.STATE_PAUSED,
## self.FAKESINK_STATE_ERROR_PLAYING_PAUSED)
## def testStateErrorPausedReady(self):
## self.checkError(gst.STATE_PAUSED, gst.STATE_READY,
## self.FAKESINK_STATE_ERROR_PAUSED_READY)
## def testStateErrorReadyNull(self):
## self.checkError(gst.STATE_READY, gst.STATE_NULL,
## self.FAKESINK_STATE_ERROR_READY_NULL)
def checkStateChange(self, old, new):
def state_change_cb(element, old_s, new_s):
assert isinstance(element, gst.Element)
assert element == self.element
assert old_s == old
assert new_s == new
assert self.element.set_state(old)
assert self.element.get_state() == old
self.element.connect('state-change', state_change_cb)
assert self.element.set_state(new)
assert self.element.get_state() == new
def testStateChangeNullReady(self):
self.checkStateChange(gst.STATE_NULL, gst.STATE_READY)
## def testStateChangeReadyPaused(self):
## self.checkStateChange(gst.STATE_READY, gst.STATE_PAUSED)
## def testStateChangePausedPlaying(self):
## self.checkStateChange(gst.STATE_PAUSED, gst.STATE_PLAYING)
## def testStateChangePlayingPaused(self):
## self.checkStateChange(gst.STATE_PLAYING, gst.STATE_PAUSED)
## def testStateChangePausedReady(self):
## self.checkStateChange(gst.STATE_PAUSED, gst.STATE_READY)
def testStateChangeReadyNull(self):
self.checkStateChange(gst.STATE_READY, gst.STATE_NULL)
class NonExistentTest(ElementTest):
name = 'this-element-does-not-exist'
alias = 'no-alias'
testGoodConstructor = lambda s: None
testGoodConstructor2 = lambda s: None
class FileSrcTest(ElementTest):
name = 'filesrc'
alias = 'source'
class FileSinkTest(ElementTest):
name = 'filesink'
alias = 'sink'
class ElementName(unittest.TestCase):
def testElementStateGetName(self):
get_name = gst.element_state_get_name
for state in ('NULL',
'READY',
'PLAYING',
'PAUSED'):
name = 'STATE_' + state
assert hasattr(gst, name)
attr = getattr(gst, name)
assert get_name(attr) == state
assert get_name(gst.STATE_VOID_PENDING) == 'NONE_PENDING'
assert get_name(-1) == 'UNKNOWN!(-1)'
self.assertRaises(TypeError, get_name, '')
class QueryTest(unittest.TestCase):
def setUp(self):
self.pipeline = gst.parse_launch('fakesrc name=source ! fakesink')
self.element = self.pipeline.get_by_name('source')
def testQuery(self):
res = self.element.query_position(gst.FORMAT_BYTES)
assert res
assert res[0] == 0
assert res[1] == -1
res = self.element.query_position(gst.FORMAT_TIME)
assert not res
class QueueTest(unittest.TestCase):
def testConstruct(self):
queue = gst.element_factory_make('queue')
assert isinstance(queue, gst.Queue)
assert queue.get_name() == 'queue0'
if __name__ == "__main__":
unittest.main()
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