def test_initialization(self):
bs = BlockStructure(self.f, block_size=16, initialize=True)
self.f.seek(0)
got = self.f.read()
got = bytes_to_ints(got)
expected = [Block.MAGIC_VALUE, 16, -1, -1, 0, -1, -1, -1, -1]
assert expected == got
def test_fill(self):
b = Block(0, 16, -1, -1, 0)
b.write_header(self.f)
b.fill_data(self.f, b'\xff')
self.reopen_file()
content = self.f.read()
got = bytes_to_ints(content)
expected = [Block.MAGIC_VALUE, 16, -1, -1, 0, -1, -1, -1, -1]
def test_add_block(self):
bs = BlockStructure(self.f, block_size=16, initialize=True)
bs.add_block(self.f, 16)
self.f.seek(0)
content = self.f.read()
got = bytes_to_ints(content)
expected = [
Block.MAGIC_VALUE, 16, 36, -1, 0, -1, -1, -1, -1,
Block.MAGIC_VALUE, 16, -1, 0, 0, -1, -1, -1, -1
]
assert expected == got
def test_intialize(self):
mbs = MultiBlockStructure(self.f, initialize=True, block_size=16)
self.f.seek(0)
got = bytes_to_ints(self.f.read())
expected = [
Block.MAGIC_VALUE,
16,
-1,
-1,
0,
-1,
-1,
-1,
-1,
]
assert expected == got
def test_bytes_to_ints():
assert bytes_to_ints(b'){\x8a\x83\xdc\x03O\x8e') == [695962243, -603762802]
def test_add_blocks(self):
mbs = MultiBlockStructure(self.f, initialize=True, block_size=16)
bs1 = mbs.add_structure(self.f, 16)
bs2 = mbs.add_structure(self.f, 16)
bs1.add_block(self.f, 16)
bs2.add_block(self.f, 16)
bs2.add_block(self.f, 16)
self.f.seek(0)
got = bytes_to_ints(self.f.read())
expected = [
Block.MAGIC_VALUE,
16,
-1,
-1,
8,
36,
72,
-1,
-1,
Block.MAGIC_VALUE,
16,
108,
-1,
0,
-1,
-1,
-1,
-1,
Block.MAGIC_VALUE,
16,
144,
-1,
0,
-1,
-1,
-1,
-1,
Block.MAGIC_VALUE,
16,
-1,
36,
0,
-1,
-1,
-1,
-1,
Block.MAGIC_VALUE,
16,
180,
72,
0,
-1,
-1,
-1,
-1,
Block.MAGIC_VALUE,
16,
-1,
144,
0,
-1,
-1,
-1,
-1,
]
assert expected == got