summaryrefslogtreecommitdiff
path: root/testsuite/test_element.py
blob: 36f96b7b375f3be4e1b427c14a6806c83a07ef84 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
# -*- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA

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

# FIXME: replace with messages
#        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()