def test_TwoBandsBitEncoder_init():
'''
Test single bit two band encoder constructor
'''
encoder = TwoBandsBitEncoder(0, 1)
assert encoder.l1Index == 0
assert encoder.l2Index == 1
encoder = TwoBandsBitEncoder(1, 0)
assert encoder.l1Index == 1
assert encoder.l2Index == 0
def test_TwoBandsBitEncoder_addSamples1():
'''
Test single bit encoder samples adding and conversion
'''
encoder = TwoBandsBitEncoder(0, 1)
samples = numpy.ndarray((2, 2), dtype=numpy.float)
samples[0].fill(-1.)
samples[1].fill(1.)
converted = encoder.addSamples(samples)
assert len(converted) == 0
assert converted.dtype == numpy.uint8
assert encoder.n_bits == 4
def test_TwoBandsBitEncoder_addSamples1(): ''' Test single bit encoder samples adding and conversion ''' encoder = TwoBandsBitEncoder(0, 1) samples = numpy.ndarray((2, 2), dtype=numpy.float) samples[0].fill(-1.) samples[1].fill(1.) converted = encoder.addSamples(samples) assert len(converted) == 0 assert converted.dtype == numpy.uint8 assert encoder.n_bits == 4
def test_TwoBandsBitEncoder_addSamples0():
'''
Test single bit encoder samples adding and conversion
'''
encoder = TwoBandsBitEncoder(0, 1)
samples = numpy.ndarray((2, EncoderBase.BLOCK_SIZE + 2), dtype=numpy.float)
samples[0].fill(-1.)
samples[1].fill(1.)
converted = encoder.addSamples(samples)
assert len(converted) == len(samples[0]) / 4
assert converted.dtype == numpy.uint8
assert (converted == 0xAA).all()
converted = encoder.flush()
assert len(converted) == 1
assert converted.dtype == numpy.uint8
assert converted[0] == 0xA0
def test_TwoBandsBitEncoder_addSamples0(): ''' Test single bit encoder samples adding and conversion ''' encoder = TwoBandsBitEncoder(0, 1) samples = numpy.ndarray((2, EncoderBase.BLOCK_SIZE + 2), dtype=numpy.float) samples[0].fill(-1.) samples[1].fill(1.) converted = encoder.addSamples(samples) assert len(converted) == len(samples[0]) / 4 assert converted.dtype == numpy.uint8 assert (converted == 0xAA).all() converted = encoder.flush() assert len(converted) == 1 assert converted.dtype == numpy.uint8 assert converted[0] == 0xA0