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import ast
import pytest
import zigpy_znp.types as t
def test_serialize_list():
class TestList(t.LVList, item_type=t.uint8_t, length_type=t.uint8_t):
pass
assert (
t.serialize_list([t.uint8_t(0xF0), t.Bytes(b"asd"), TestList([0xAB, 0xCD])])
== b"\xF0asd\x02\xAB\xCD"
)
assert t.serialize_list([]) == b""
def test_enum():
class TestEnum(t.bitmap16):
ALL = 0xFFFF
CH_1 = 0x0001
CH_2 = 0x0002
CH_3 = 0x0004
CH_5 = 0x0008
CH_6 = 0x0010
CH_Z = 0x8000
extra = b"The rest of the data\x55\xaa"
data = b"\x12\x80"
r, rest = TestEnum.deserialize(data + extra)
assert rest == extra
assert r == 0x8012
assert r == (TestEnum.CH_2 | TestEnum.CH_6 | TestEnum.CH_Z)
assert r.serialize() == data
assert TestEnum(0x8012).serialize() == data
def test_int_too_short():
with pytest.raises(ValueError):
t.uint8_t.deserialize(b"")
with pytest.raises(ValueError):
t.uint16_t.deserialize(b"\x00")
def test_int_out_of_bounds():
with pytest.raises(ValueError):
t.uint8_t(-1)
with pytest.raises(ValueError):
t.uint8_t(0xFF + 1)
def test_bytes():
data = b"abcde\x00\xff"
r, rest = t.Bytes.deserialize(data)
assert rest == b""
assert r == data
assert r.serialize() == data
assert str(r) == repr(r) == "b'\\x61\\x62\\x63\\x64\\x65\\x00\\xFF'"
# Ensure we don't make any mistakes formatting the bytes
all_bytes = t.Bytes(bytes(range(0, 255 + 1)))
long_repr = repr(all_bytes)
assert ast.literal_eval(long_repr) == ast.literal_eval(bytes.__repr__(all_bytes))
assert all_bytes == ast.literal_eval(long_repr)
def test_longbytes():
data = b"abcde\x00\xff" * 50
extra = b"\xffrest of the data\x00"
r, rest = t.LongBytes.deserialize(len(data).to_bytes(2, "little") + data + extra)
assert rest == extra
assert r == data
assert r.serialize() == len(data).to_bytes(2, "little") + data
with pytest.raises(ValueError):
t.LongBytes.deserialize(b"\x01")
with pytest.raises(ValueError):
t.LongBytes.deserialize(b"\x01\x00")
with pytest.raises(ValueError):
t.LongBytes.deserialize(len(data).to_bytes(2, "little") + data[:-1])
def test_lvlist():
class TestList(t.LVList, item_type=t.uint8_t, length_type=t.uint8_t):
pass
d, r = TestList.deserialize(b"\x0412345")
assert r == b"5"
assert d == list(map(ord, "1234"))
assert TestList.serialize(d) == b"\x041234"
assert isinstance(d, TestList)
with pytest.raises(ValueError):
TestList([1, 2, 0xFFFF, 4]).serialize()
def test_lvlist_too_short():
class TestList(t.LVList, item_type=t.uint8_t, length_type=t.uint8_t):
pass
with pytest.raises(ValueError):
TestList.deserialize(b"")
with pytest.raises(ValueError):
TestList.deserialize(b"\x04123")
def test_fixed_list():
class TestList(t.FixedList, item_type=t.uint16_t, length=3):
pass
with pytest.raises(ValueError):
r = TestList([1, 2, 3, 0x55AA])
r.serialize()
with pytest.raises(ValueError):
r = TestList([1, 2])
r.serialize()
r = TestList([1, 2, 3])
assert r.serialize() == b"\x01\x00\x02\x00\x03\x00"
def test_fixed_list_deserialize():
class TestList(t.FixedList, length=3, item_type=t.uint16_t):
pass
data = b"\x34\x12\x55\xaa\x89\xab"
extra = b"\x00\xff"
r, rest = TestList.deserialize(data + extra)
assert rest == extra
assert r[0] == 0x1234
assert r[1] == 0xAA55
assert r[2] == 0xAB89
def test_enum_instance_types():
class TestEnum(t.enum8):
Member = 0x00
assert TestEnum._member_type_ is t.uint8_t
assert type(TestEnum.Member.value) is t.uint8_t
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