def test_swap_blocks():
"""Test block-wise swapping of samples."""
d = Data()
d.generate_mute_data()
# block_size divides the length of the data to be permuted, swap_range
# leads to 2 remaining blocks
n = 50
block_size = 5
swap_range = 4
perm = d._swap_blocks(n, block_size, swap_range)
assert perm.shape[0] == n, 'Incorrect length of permuted indices.'
# block_size leads to one block of length 1, swap_range divides the no.
# blocks
n = 50
block_size = 7
swap_range = 4
perm = d._swap_blocks(n, block_size, swap_range)
assert perm.shape[0] == n, 'Incorrect length of permuted indices.'
n_blocks = np.ceil(n / 7).astype(int)
assert n_blocks == 8, 'No. blocks is incorrect.'
assert sum(perm == n_blocks - 1) == 1, ('No. remaining samples in the last'
' block is incorrect.')
# no remaining samples or blocks
n = 30
block_size = 5
swap_range = 3
perm = d._swap_blocks(n, block_size, swap_range)
assert perm.shape[0] == n, 'Incorrect length of permuted indices.'
def test_swap_blocks():
"""Test block-wise swapping of samples."""
d = Data()
d.generate_mute_data()
# block_size divides the length of the data to be permuted, swap_range
# leads to 2 remaining blocks
n = 50
block_size = 5
swap_range = 4
perm = d._swap_blocks(n, block_size, swap_range)
assert perm.shape[0] == n, 'Incorrect length of permuted indices.'
# block_size leads to one block of length 1, swap_range divides the no.
# blocks
n = 50
block_size = 7
swap_range = 4
perm = d._swap_blocks(n, block_size, swap_range)
assert perm.shape[0] == n, 'Incorrect length of permuted indices.'
n_blocks = np.ceil(n/7).astype(int)
assert n_blocks == 8, 'No. blocks is incorrect.'
assert sum(perm == n_blocks - 1) == 1, ('No. remaining samples in the last'
' block is incorrect.')
# no remaining samples or blocks
n = 30
block_size = 5
swap_range = 3
perm = d._swap_blocks(n, block_size, swap_range)
assert perm.shape[0] == n, 'Incorrect length of permuted indices.'
