def test_leveldb_log_small(spec_log, data_log_small):
dtree = model.DataTree(data_log_small, spec_log)
assert model.make_python_object(dtree.head_blocks) == []
records = dtree.tail_block.records
assert len(records) == 2
assert records[0].checksum == 0xC227CC1B
assert records[0].length == 33
assert records[0].rtype == 1
assert len(records[0].data) == 33
assert model.eval('sizeof(tail_block.records[0])', dtree) == 40
assert records[1].checksum == 0x6EC2C495
assert records[1].length == 39
assert records[1].rtype == 1
assert len(records[1].data) == 39
assert model.eval('sizeof(tail_block.records[1])', dtree) == 46
assert model.eval('sizeof(tail_block.records)', dtree) == 86
assert model.eval('sizeof(tail_block)', dtree) == 86
with pytest.raises(IndexError):
dummy = records[2]
with pytest.raises(ValueError):
model.eval('tail_block.records[2]', dtree)
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_leveldb_log_empty(spec_log, data_log_empty):
dtree = model.DataTree(data_log_empty, spec_log)
assert model.make_python_object(dtree.head_blocks) == []
assert model.make_python_object(dtree.tail_block.records) == []
assert len(dtree.head_blocks) == 0
assert len(dtree.tail_block.records) == 0
assert model.eval('sizeof(head_blocks)', dtree) == 0
assert model.eval('sizeof(tail_block.records)', dtree) == 0
with pytest.raises(IndexError):
dtree.tail_block.records[0]
with pytest.raises(ValueError):
model.eval('tail_block.records[0]', dtree)
def test_leveldb_log_multiblock(spec_log, data_log_multiblock):
dtree = model.DataTree(data_log_multiblock, spec_log)
assert len(dtree.head_blocks) == 1
assert len(dtree.head_blocks[0].records) == 762
assert len(dtree.tail_block.records) == 3
assert model.eval('sizeof(head_blocks)', dtree) == 32768
assert model.eval('sizeof(head_blocks[0])', dtree) == 32768
assert model.eval('sizeof(head_blocks[0].records)', dtree) == 32766
assert model.eval('sizeof(head_blocks[0].trailer)', dtree) == 2
assert model.make_python_object(model.eval('head_blocks[0].trailer',
dtree)) == '\x00\x00'
assert model.eval('sizeof(tail_block.records)', dtree) == 43 * 3
records = dtree.head_blocks[0].records
dummy = records[761]
with pytest.raises(IndexError):
dummy = records[762]
def test_leveldb_log_browse(spec_log, data_log_empty, data_log_small):
inputs = [data_log_empty, data_log_small]
for data in inputs:
dtree = model.DataTree(data, spec_log)
block_count = 0
for block in dtree.head_blocks:
block_count += 1
record_count = 0
for record in block.records:
record_count += 1
assert record_count == len(block.records)
assert block_count == len(dtree.head_blocks)
block = dtree.tail_block
record_count = 0
for record in block.records:
record_count += 1
assert record_count == len(block.records)
def make_testcase(param):
data = to_bytes(param['data'])
param['dtree'] = model.DataTree(data, param['spec'])
param['data'] = data
return param
def test_unknown_typename():
#FIXME use custom error for syntax errors
with pytest.raises(OSError):
dtree = model.DataTree('', spec_unknown_type_name_1)