def test_BandBitEncoder_init():
'''
Test single bit encoder constructor
'''
encoder = BandBitEncoder(0)
assert encoder.bandIndex == 0
encoder = BandBitEncoder(1)
assert encoder.bandIndex == 1
def test_BandBitEncoder_addSamples1():
'''
Test single bit encoder samples adding and conversion
'''
encoder = BandBitEncoder(0)
samples = numpy.ndarray((1, 2), dtype=numpy.float)
samples[0][1::2].fill(-1.)
samples[0][0::2].fill(1.)
converted = encoder.addSamples(samples)
assert len(converted) == 0
assert converted.dtype == numpy.uint8
assert encoder.n_bits == 2
def test_BandBitEncoder_addSamples1(): ''' Test single bit encoder samples adding and conversion ''' encoder = BandBitEncoder(0) samples = numpy.ndarray((1, 2), dtype=numpy.float) samples[0][1::2].fill(-1.) samples[0][0::2].fill(1.) converted = encoder.addSamples(samples) assert len(converted) == 0 assert converted.dtype == numpy.uint8 assert encoder.n_bits == 2
def test_BandBitEncoder_addSamples0():
'''
Test single bit encoder samples adding and conversion
'''
encoder = BandBitEncoder(0)
samples = numpy.ndarray((1, EncoderBase.BLOCK_SIZE + 6), dtype=numpy.float)
samples[0][1::2].fill(-1.)
samples[0][0::2].fill(1.)
converted = encoder.addSamples(samples)
assert len(converted) == len(samples[0]) / 8
assert converted.dtype == numpy.uint8
assert (converted == 0x55).all()
converted = encoder.flush()
assert len(converted) == 1
assert converted.dtype == numpy.uint8
assert converted[0] == 0x54
def test_BandBitEncoder_addSamples0(): ''' Test single bit encoder samples adding and conversion ''' encoder = BandBitEncoder(0) samples = numpy.ndarray((1, EncoderBase.BLOCK_SIZE + 6), dtype=numpy.float) samples[0][1::2].fill(-1.) samples[0][0::2].fill(1.) converted = encoder.addSamples(samples) assert len(converted) == len(samples[0]) / 8 assert converted.dtype == numpy.uint8 assert (converted == 0x55).all() converted = encoder.flush() assert len(converted) == 1 assert converted.dtype == numpy.uint8 assert converted[0] == 0x54
def test_BandBitEncoder_convertBand():
'''
Test single bit encoder band conversion
'''
samples = numpy.ndarray(10, dtype=numpy.float)
samples[1::2].fill(-1.)
samples[0::2].fill(1.)
converted = BandBitEncoder.convertBand(samples)
assert len(converted) == len(samples)
assert converted.dtype == numpy.bool
assert (converted[1::2] == 1).all()
assert (converted[0::2] == 0).all()
def test_BandBitEncoder_convertBand(): ''' Test single bit encoder band conversion ''' samples = numpy.ndarray(10, dtype=numpy.float) samples[1::2].fill(-1.) samples[0::2].fill(1.) converted = BandBitEncoder.convertBand(samples) assert len(converted) == len(samples) assert converted.dtype == numpy.bool assert (converted[1::2] == 1).all() assert (converted[0::2] == 0).all()
