def test_footer_with_implicit_padding(params_footer_with_implicit_padding):
params = params_footer_with_implicit_padding
dtree = params['dtree']
assert model.get_size(dtree.root.footer) == 14
assert model.get_size(dtree.root.footer) == dtree.root.footer.footer_size
assert model.get_size(dtree.root.items) == 12
assert model.get_size(dtree.root) == 33
def test_footer_complex(params_footer_complex):
params = params_footer_complex
dtree = params['dtree']
assert model.get_size(dtree.root.footer) == 14
assert model.get_size(dtree.root.footer) == dtree.root.footer.footer_size
assert model.get_size(dtree.root.footer.footer_contents) == 6
assert memoryview(dtree.root.footer.footer_contents) == 'footer'
assert memoryview(dtree.root.contents) == 'some random data'
assert model.get_size(dtree.root) == 30
def test_array_items(params_array_items):
params = params_array_items
dtree, sizeof_array = params['dtree'], params['sizeof_array']
assert len(dtree.integers) == 10
assert model.get_size(dtree.integers) == sizeof_array
for i in range(10):
mapped_i = (i * 7) % 10
assert dtree.integers[mapped_i].value == mapped_i
def test_sst_index_block(spec_sst_index, data_sst_index_block_1):
data, nb_entries = (data_sst_index_block_1['data'],
data_sst_index_block_1['nb_entries'])
dtree = model.DataTree(data, spec_sst_index)
assert len(dtree.entries) == nb_entries
last_index = None
for i, entry in enumerate(dtree.entries):
last_index = i
model.make_python_object(entry)
assert last_index == nb_entries - 1
assert len(dtree.restarts) == dtree.nb_restarts
assert model.get_size(dtree.restarts) == dtree.nb_restarts * 4
def test_slack_span_simple(params_simple):
params = params_simple
dtree, lengths, control_size = (params['dtree'], params['lengths'],
params['control_size'])
if 'data_lengths' in params:
data_lengths = params['data_lengths']
else:
data_lengths = lengths
assert len(dtree.blocks) == len(lengths)
for i, block in enumerate(dtree.blocks):
contents = memoryview(block.contents)
assert len(contents) == lengths[i]
assert contents[:data_lengths[i]] == ''.join([chr(i)] *
data_lengths[i])
assert model.get_size(block) >= 10
assert model.get_size(block) == model.get_size(dtree.blocks[i:i + 1])
padding_len = max(10 - (control_size + lengths[i]), 0)
try:
assert (memoryview(block.padding) == '\xff' * padding_len)
except AttributeError:
assert padding_len == 0
def test_slack_static_span(params_subblocks):
import sys
#model.enable_debug_mode()
params = params_subblocks
dtree, block_counts = params['dtree'], params['block_counts']
cur_offset = 0
for (blocktype, block_array) in enumerate([
dtree.huge_blocks, dtree.big_blocks, dtree.avg_blocks,
dtree.small_blocks
]):
assert len(block_array) == block_counts[blocktype]
for block in block_array:
for sub_block in block.sub_blocks:
assert model.get_offset(sub_block) == cur_offset
contents = model.make_python_object(sub_block.contents)
assert contents == ''.join([chr(blocktype)] * len(contents))
cur_offset += model.get_size(sub_block)