amine@2: '''
amine@2: @author: Amine Sehili <amine.sehili@gmail.com>
amine@2: September 2015
amine@2: 
amine@2: '''
amine@2: import unittest
amine@2: 
amine@2: from auditok import BufferAudioSource
amine@2: 
amine@2: 
amine@2: class TestBufferAudioSource_SR10_SW1_CH1(unittest.TestCase):
amine@2:     
amine@2:     
amine@2:     def setUp(self):
amine@2:         self.signal = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"
amine@2:         self.audio_source = BufferAudioSource(data_buffer=self.signal,
amine@2:                                          sampling_rate=10, sample_width=1, channels=1)
amine@2:         self.audio_source.open()
amine@2:         
amine@2:     def tearDown(self):
amine@2:         self.audio_source.close()
amine@2:     
amine@2: 
amine@2: 
amine@2:     def test_sr10_sw1_ch1_read_1(self):
amine@2:         
amine@2:         block = self.audio_source.read(1)
amine@2:         self.assertEqual(block, "A", msg="wrong block, expected: 'A', found: {0} ".format(block))
amine@2:     
amine@2:     
amine@2:     def test_sr10_sw1_ch1_read_6(self):
amine@2:         
amine@2:         block = self.audio_source.read(6)
amine@2:         self.assertEqual(block, "ABCDEF", msg="wrong block, expected: 'ABCDEF', found: {0} ".format(block))
amine@2:         
amine@2:     
amine@2:     def test_sr10_sw1_ch1_read_multiple(self):
amine@2:         
amine@2:         block = self.audio_source.read(1)
amine@2:         self.assertEqual(block, "A", msg="wrong block, expected: 'A', found: {0} ".format(block))
amine@2:                          
amine@2:         block = self.audio_source.read(6)
amine@2:         self.assertEqual(block, "BCDEFG", msg="wrong block, expected: 'BCDEFG', found: {0} ".format(block))
amine@2:         
amine@2:         block = self.audio_source.read(13)
amine@2:         self.assertEqual(block, "HIJKLMNOPQRST", msg="wrong block, expected: 'HIJKLMNOPQRST', found: {0} ".format(block))
amine@2:         
amine@2:         block = self.audio_source.read(9999)
amine@2:         self.assertEqual(block, "UVWXYZ012345", msg="wrong block, expected: 'UVWXYZ012345', found: {0} ".format(block))
amine@2:         
amine@2:     
amine@2:     def test_sr10_sw1_ch1_read_all(self):
amine@2:         block = self.audio_source.read(9999)
amine@2:         self.assertEqual(block, self.signal, msg="wrong block, expected: {0}, found: {1} ".format(self.signal, block))
amine@2:         
amine@2:         block = self.audio_source.read(1)
amine@2:         self.assertEqual(block, None, msg="wrong block, expected: {0}, found: {1} ".format(None, block))
amine@2:         
amine@2:     
amine@2:     def test_sr10_sw1_ch1_get_sampling_rate(self):
amine@2:         
amine@2:         srate = self.audio_source.get_sampling_rate()
amine@2:         self.assertEqual(srate, 10, msg="wrong sampling rate, expected: 10, found: {0} ".format(srate))
amine@2:     
amine@2:     
amine@2:     def test_sr10_sw1_ch1_get_sample_width(self):
amine@2:         
amine@2:         swidth = self.audio_source.get_sample_width()
amine@2:         self.assertEqual(swidth, 1, msg="wrong sample width, expected: 1, found: {0} ".format(swidth))
amine@2:         
amine@2:     
amine@2:     def test_sr10_sw1_ch1_get_channels(self):
amine@2:         
amine@2:         channels = self.audio_source.get_channels()
amine@2:         self.assertEqual(channels, 1, msg="wrong number of channels, expected: 1, found: {0} ".format(channels))
amine@2:     
amine@2:     
amine@2:     def test_sr10_sw1_ch1_get_position_0(self):
amine@2:         
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 0, msg="wrong position, expected: 0, found: {0} ".format(pos))
amine@2:     
amine@2:     def test_sr10_sw1_ch1_get_position_5(self):
amine@2:         
amine@2:         self.audio_source.read(5)
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 5, msg="wrong position, expected: 5, found: {0} ".format(pos))
amine@2:     
amine@2:     def test_sr10_sw1_ch1_get_position_25(self):
amine@2:                 
amine@2:         self.audio_source.read(5)
amine@2:         self.audio_source.read(20)
amine@2:         
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 25, msg="wrong position, expected: 5, found: {0} ".format(pos))
amine@2:         
amine@2:     
amine@2:     def test_sr10_sw1_ch1_set_position_0(self):
amine@2:         
amine@2:         self.audio_source.read(10)
amine@2:         self.audio_source.set_position(0)
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 0, msg="wrong position, expected: 0, found: {0} ".format(pos))
amine@2:     
amine@2:     
amine@2:     def test_sr10_sw1_ch1_set_position_10(self):
amine@2:         
amine@2:         self.audio_source.set_position(10)
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 10, msg="wrong position, expected: 10, found: {0} ".format(pos))
amine@2:     
amine@2:         
amine@2:     def test_sr10_sw1_ch1_get_time_position_0(self):
amine@2:         
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 0.0, msg="wrong time position, expected: 0.0, found: {0} ".format(tp))
amine@2:     
amine@2:     def test_sr10_sw1_ch1_get_time_position_1(self):
amine@2:         
amine@2:         srate = self.audio_source.get_sampling_rate()
amine@2:         # read one second
amine@2:         self.audio_source.read(srate)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 1.0, msg="wrong time position, expected: 1.0, found: {0} ".format(tp))
amine@2:     
amine@2:     
amine@2:     def test_sr10_sw1_ch1_get_time_position_2_5(self):
amine@2:         
amine@2:         # read 2.5 seconds
amine@2:         self.audio_source.read(25)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 2.5, msg="wrong time position, expected: 2.5, found: {0} ".format(tp))
amine@2:         
amine@2:     
amine@2:     def test_sr10_sw1_ch1_set_time_position_0(self):
amine@2:         
amine@2:         self.audio_source.read(10)
amine@2:         self.audio_source.set_time_position(0)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 0.0, msg="wrong time position, expected: 0.0, found: {0} ".format(tp))
amine@2:         
amine@2:     
amine@2:     def test_sr10_sw1_ch1_set_time_position_1(self):
amine@2: 
amine@2:         self.audio_source.set_time_position(1)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 1.0, msg="wrong time position, expected: 1.0, found: {0} ".format(tp))
amine@2:     
amine@2:     def test_sr10_sw1_ch1_set_time_position_end(self):
amine@2: 
amine@2:         self.audio_source.set_time_position(100)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 3.2, msg="wrong time position, expected: 3.2, found: {0} ".format(tp))
amine@2:     
amine@2:     def test_sr10_sw1_ch1_rewind(self):
amine@2:         
amine@2:         self.audio_source.read(10)
amine@2:         self.audio_source.rewind()
amine@2:         tp = self.audio_source.get_position()
amine@2:         self.assertEqual(tp, 0, msg="wrong position, expected: 0.0, found: {0} ".format(tp))
amine@2:         
amine@2:     def test_sr10_sw1_ch1_set_data(self):
amine@2:         self.audio_source.set_data("12345")
amine@2:         block = self.audio_source.read(9999)
amine@2:         self.assertEqual(block, "12345", msg="wrong block, expected: '12345', found: {0} ".format(block))
amine@2:         
amine@2:     
amine@2:     def test_sr10_sw1_ch1_read_closed(self):
amine@2:         self.audio_source.close()
amine@2:         with self.assertRaises(Exception):
amine@2:             self.audio_source.read(1)
amine@2:             
amine@2:     
amine@2: 
amine@2: class TestBufferAudioSource_SR16_SW2_CH1(unittest.TestCase):
amine@2:     
amine@2:     
amine@2:     def setUp(self):
amine@2:         self.signal = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"
amine@2:         self.audio_source = BufferAudioSource(data_buffer=self.signal,
amine@2:                                          sampling_rate=16, sample_width=2, channels=1)
amine@2:         self.audio_source.open()
amine@2:         
amine@2:     def tearDown(self):
amine@2:         self.audio_source.close()
amine@2:     
amine@2: 
amine@2: 
amine@2:     def test_sr16_sw2_ch1_read_1(self):
amine@2:         
amine@2:         block = self.audio_source.read(1)
amine@2:         self.assertEqual(block, "AB", msg="wrong block, expected: 'AB', found: {0} ".format(block))
amine@2:     
amine@2:     
amine@2:     def test_sr16_sw2_ch1_read_6(self):
amine@2:         
amine@2:         block = self.audio_source.read(6)
amine@2:         self.assertEqual(block, "ABCDEFGHIJKL", msg="wrong block, expected: 'ABCDEFGHIJKL', found: {0} ".format(block))
amine@2:         
amine@2:     
amine@2:     def test_sr16_sw2_ch1_read_multiple(self):
amine@2:         
amine@2:         block = self.audio_source.read(1)
amine@2:         self.assertEqual(block, "AB", msg="wrong block, expected: 'AB', found: {0} ".format(block))
amine@2:                          
amine@2:         block = self.audio_source.read(6)
amine@2:         self.assertEqual(block, "CDEFGHIJKLMN", msg="wrong block, expected: 'CDEFGHIJKLMN', found: {0} ".format(block))
amine@2:         
amine@2:         block = self.audio_source.read(5)
amine@2:         self.assertEqual(block, "OPQRSTUVWX", msg="wrong block, expected: 'OPQRSTUVWX', found: {0} ".format(block))
amine@2:         
amine@2:         block = self.audio_source.read(9999)
amine@2:         self.assertEqual(block, "YZ012345", msg="wrong block, expected: 'YZ012345', found: {0} ".format(block))
amine@2:         
amine@2:     
amine@2:     def test_sr16_sw2_ch1_read_all(self):
amine@2:         block = self.audio_source.read(9999)
amine@2:         self.assertEqual(block, self.signal, msg="wrong block, expected: {0}, found: {1} ".format(self.signal, block))
amine@2:         
amine@2:         block = self.audio_source.read(1)
amine@2:         self.assertEqual(block, None, msg="wrong block, expected: {0}, found: {1} ".format(None, block))
amine@2:         
amine@2:     
amine@2:     def test_sr16_sw2_ch1_get_sampling_rate(self):
amine@2:         
amine@2:         srate = self.audio_source.get_sampling_rate()
amine@2:         self.assertEqual(srate, 16, msg="wrong sampling rate, expected: 10, found: {0} ".format(srate))
amine@2:     
amine@2:     
amine@2:     def test_sr16_sw2_ch1_get_sample_width(self):
amine@2:         
amine@2:         swidth = self.audio_source.get_sample_width()
amine@2:         self.assertEqual(swidth, 2, msg="wrong sample width, expected: 1, found: {0} ".format(swidth))
amine@2:         
amine@2:     
amine@2:     def test_sr16_sw2_ch1_get_channels(self):
amine@2:         
amine@2:         channels = self.audio_source.get_channels()
amine@2:         self.assertEqual(channels, 1, msg="wrong number of channels, expected: 1, found: {0} ".format(channels))
amine@2:     
amine@2:     
amine@2:     def test_sr16_sw2_ch1_get_position_0(self):
amine@2:         
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 0, msg="wrong position, expected: 0, found: {0} ".format(pos))
amine@2:     
amine@2:     def test_sr16_sw2_ch1_get_position_5(self):
amine@2:         
amine@2:         self.audio_source.read(5)
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 5, msg="wrong position, expected: 5, found: {0} ".format(pos))
amine@2:     
amine@2:     def test_sr16_sw2_ch1_get_position_15(self):
amine@2:                 
amine@2:         self.audio_source.read(5)
amine@2:         self.audio_source.read(10)
amine@2:         
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 15, msg="wrong position, expected: 5, found: {0} ".format(pos))
amine@2:         
amine@2:     
amine@2:     def test_sr16_sw2_ch1_set_position_0(self):
amine@2:         
amine@2:         self.audio_source.read(10)
amine@2:         self.audio_source.set_position(0)
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 0, msg="wrong position, expected: 0, found: {0} ".format(pos))
amine@2:     
amine@2:     
amine@2:     def test_sr16_sw2_ch1_set_position_10(self):
amine@2:         
amine@2:         self.audio_source.set_position(10)
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 10, msg="wrong position, expected: 10, found: {0} ".format(pos))
amine@2:     
amine@2:         
amine@2:     def test_sr16_sw2_ch1_get_time_position_0(self):
amine@2:         
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 0.0, msg="wrong time position, expected: 0.0, found: {0} ".format(tp))
amine@2:     
amine@2:     def test_sr16_sw2_ch1_get_time_position_1(self):
amine@2:         
amine@2:         srate = self.audio_source.get_sampling_rate()
amine@2:         # read one second
amine@2:         self.audio_source.read(srate)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 1.0, msg="wrong time position, expected: 1.0, found: {0} ".format(tp))
amine@2:     
amine@2:     
amine@2:     def test_sr16_sw2_ch1_get_time_position_0_75(self):
amine@2:         
amine@2:         # read 2.5 seconds
amine@2:         self.audio_source.read(12)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 0.75, msg="wrong time position, expected: 0.75, found: {0} ".format(tp))
amine@2:         
amine@2:     
amine@2:     def test_sr16_sw2_ch1_set_time_position_0(self):
amine@2:         
amine@2:         self.audio_source.read(10)
amine@2:         self.audio_source.set_time_position(0)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 0.0, msg="wrong time position, expected: 0.0, found: {0} ".format(tp))
amine@2:         
amine@2:     
amine@2:     def test_sr16_sw2_ch1_set_time_position_1(self):
amine@2: 
amine@2:         self.audio_source.set_time_position(1)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 1.0, msg="wrong time position, expected: 1.0, found: {0} ".format(tp))
amine@2:     
amine@2:     def test_sr16_sw2_ch1_set_time_position_end(self):
amine@2: 
amine@2:         self.audio_source.set_time_position(100)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 1.0, msg="wrong time position, expected: 1.0, found: {0} ".format(tp))
amine@2:     
amine@2:     def test_sr16_sw2_ch1_rewind(self):
amine@2:         
amine@2:         self.audio_source.read(10)
amine@2:         self.audio_source.rewind()
amine@2:         tp = self.audio_source.get_position()
amine@2:         self.assertEqual(tp, 0, msg="wrong position, expected: 0.0, found: {0} ".format(tp))
amine@2:         
amine@2:     def test_sr16_sw2_ch1_set_data(self):
amine@2:         
amine@2:         self.audio_source.set_data("abcdef")
amine@2:         block = self.audio_source.read(9999)
amine@2:         self.assertEqual(block, "abcdef", msg="wrong block, expected: 'abcdef', found: {0} ".format(block))
amine@2:     
amine@2:     def test_sr16_sw2_ch1_set_data_exception(self):
amine@2:         
amine@2:         with self.assertRaises(Exception):
amine@2:             self.assertRaises(ValueError, self.audio_source.set_data("abcde"))
amine@2:         
amine@2:         
amine@2: 
amine@2: class TestBufferAudioSource_SR11_SW4_CH1(unittest.TestCase):
amine@2:     
amine@2:     
amine@2:     def setUp(self):
amine@2:         self.signal = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefgh"
amine@2:         self.audio_source = BufferAudioSource(data_buffer=self.signal,
amine@2:                                          sampling_rate=11, sample_width=4, channels=1)
amine@2:         self.audio_source.open()
amine@2:         
amine@2:     def tearDown(self):
amine@2:         self.audio_source.close()
amine@2:     
amine@2: 
amine@2: 
amine@2:     def test_sr11_sw4_ch1_read_1(self):
amine@2:         
amine@2:         block = self.audio_source.read(1)
amine@2:         self.assertEqual(block, "ABCD", msg="wrong block, expected: 'ABCD', found: {0} ".format(block))
amine@2:     
amine@2:     
amine@2:     def test_sr11_sw4_ch1_read_6(self):
amine@2:         
amine@2:         block = self.audio_source.read(6)
amine@2:         self.assertEqual(block, "ABCDEFGHIJKLMNOPQRSTUVWX", msg="wrong block, expected: 'ABCDEFGHIJKLMNOPQRSTUVWX', found: {0} ".format(block))
amine@2:         
amine@2:     
amine@2:     def test_sr11_sw4_ch1_read_multiple(self):
amine@2:         
amine@2:         block = self.audio_source.read(1)
amine@2:         self.assertEqual(block, "ABCD", msg="wrong block, expected: 'AB', found: {0} ".format(block))
amine@2:                          
amine@2:         block = self.audio_source.read(6)
amine@2:         self.assertEqual(block, "EFGHIJKLMNOPQRSTUVWXYZ01", msg="wrong block, expected: 'EFGHIJKLMNOPQRSTUVWXYZ01', found: {0} ".format(block))
amine@2:         
amine@2:         block = self.audio_source.read(3)
amine@2:         self.assertEqual(block, "23456789abcd", msg="wrong block, expected: '23456789abcd', found: {0} ".format(block))
amine@2:         
amine@2:         block = self.audio_source.read(9999)
amine@2:         self.assertEqual(block, "efgh", msg="wrong block, expected: 'efgh', found: {0} ".format(block))
amine@2:         
amine@2:     
amine@2:     def test_sr11_sw4_ch1_read_all(self):
amine@2:         block = self.audio_source.read(9999)
amine@2:         self.assertEqual(block, self.signal, msg="wrong block, expected: {0}, found: {1} ".format(self.signal, block))
amine@2:         
amine@2:         block = self.audio_source.read(1)
amine@2:         self.assertEqual(block, None, msg="wrong block, expected: {0}, found: {1} ".format(None, block))
amine@2:         
amine@2:     
amine@2:     def test_sr11_sw4_ch1_get_sampling_rate(self):
amine@2:         
amine@2:         srate = self.audio_source.get_sampling_rate()
amine@2:         self.assertEqual(srate, 11, msg="wrong sampling rate, expected: 10, found: {0} ".format(srate))
amine@2:     
amine@2:     
amine@2:     def test_sr11_sw4_ch1_get_sample_width(self):
amine@2:         
amine@2:         swidth = self.audio_source.get_sample_width()
amine@2:         self.assertEqual(swidth, 4, msg="wrong sample width, expected: 1, found: {0} ".format(swidth))
amine@2:         
amine@2:     
amine@2:     def test_sr11_sw4_ch1_get_channels(self):
amine@2:         
amine@2:         channels = self.audio_source.get_channels()
amine@2:         self.assertEqual(channels, 1, msg="wrong number of channels, expected: 1, found: {0} ".format(channels))
amine@2:     
amine@2:     
amine@2:     def test_sr11_sw4_ch1_get_position_0(self):
amine@2:         
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 0, msg="wrong position, expected: 0, found: {0} ".format(pos))
amine@2:     
amine@2:     def test_sr11_sw4_ch1_get_position_5(self):
amine@2:         
amine@2:         self.audio_source.read(5)
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 5, msg="wrong position, expected: 5, found: {0} ".format(pos))
amine@2:     
amine@2:     def test_sr11_sw4_ch1_get_position_9(self):
amine@2:                 
amine@2:         self.audio_source.read(5)
amine@2:         self.audio_source.read(4)
amine@2:         
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 9, msg="wrong position, expected: 5, found: {0} ".format(pos))
amine@2:         
amine@2:     
amine@2:     def test_sr11_sw4_ch1_set_position_0(self):
amine@2:         
amine@2:         self.audio_source.read(10)
amine@2:         self.audio_source.set_position(0)
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 0, msg="wrong position, expected: 0, found: {0} ".format(pos))
amine@2:     
amine@2:     
amine@2:     def test_sr11_sw4_ch1_set_position_10(self):
amine@2:         
amine@2:         self.audio_source.set_position(10)
amine@2:         pos = self.audio_source.get_position()
amine@2:         self.assertEqual(pos, 10, msg="wrong position, expected: 10, found: {0} ".format(pos))
amine@2:     
amine@2:         
amine@2:     def test_sr11_sw4_ch1_get_time_position_0(self):
amine@2:         
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 0.0, msg="wrong time position, expected: 0.0, found: {0} ".format(tp))
amine@2:     
amine@2:     def test_sr11_sw4_ch1_get_time_position_1(self):
amine@2:         
amine@2:         srate = self.audio_source.get_sampling_rate()
amine@2:         # read one second
amine@2:         self.audio_source.read(srate)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 1.0, msg="wrong time position, expected: 1.0, found: {0} ".format(tp))
amine@2:     
amine@2:     
amine@2:     def test_sr11_sw4_ch1_get_time_position_0_63(self):
amine@2:         
amine@2:         # read 2.5 seconds
amine@2:         self.audio_source.read(7)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertAlmostEqual(tp, 0.636363636364, msg="wrong time position, expected: 0.636363636364, found: {0} ".format(tp))
amine@2:         
amine@2:     
amine@2:     def test_sr11_sw4_ch1_set_time_position_0(self):
amine@2:         
amine@2:         self.audio_source.read(10)
amine@2:         self.audio_source.set_time_position(0)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 0.0, msg="wrong time position, expected: 0.0, found: {0} ".format(tp))
amine@2:         
amine@2:     
amine@2:     def test_sr11_sw4_ch1_set_time_position_1(self):
amine@2: 
amine@2:         self.audio_source.set_time_position(1)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 1.0, msg="wrong time position, expected: 1.0, found: {0} ".format(tp))
amine@2:     
amine@2:     def test_sr11_sw4_ch1_set_time_position_end(self):
amine@2: 
amine@2:         self.audio_source.set_time_position(100)
amine@2:         tp = self.audio_source.get_time_position()
amine@2:         self.assertEqual(tp, 1.0, msg="wrong time position, expected: 1.0, found: {0} ".format(tp))
amine@2:     
amine@2:     def test_sr11_sw4_ch1_rewind(self):
amine@2:         
amine@2:         self.audio_source.read(10)
amine@2:         self.audio_source.rewind()
amine@2:         tp = self.audio_source.get_position()
amine@2:         self.assertEqual(tp, 0, msg="wrong position, expected: 0.0, found: {0} ".format(tp))
amine@2:         
amine@2:     def test_sr11_sw4_ch1_set_data(self):
amine@2:         
amine@2:         self.audio_source.set_data("abcdefgh")
amine@2:         block = self.audio_source.read(9999)
amine@2:         self.assertEqual(block, "abcdefgh", msg="wrong block, expected: 'abcdef', found: {0} ".format(block))
amine@2:     
amine@2:     def test_sr11_sw4_ch1_set_data_exception(self):
amine@2:         
amine@2:         with self.assertRaises(Exception):
amine@2:             self.assertRaises(ValueError, self.audio_source.set_data("abcdef"))
amine@2:         
amine@2:     
amine@2:         
amine@2:     
amine@2: 
amine@2: 
amine@2: if __name__ == "__main__":
amine@2:     #import sys;sys.argv = ['', 'Test.testName']
amine@2:     unittest.main()