def test_decode_predefined_atoms(self):
self.assertEqual((True, b""), decode(b"\x83d\0\4true"))
self.assertEqual((True, b"tail"), decode(b"\x83d\0\4truetail"))
self.assertEqual((False, b""), decode(b"\x83d\0\5false"))
self.assertEqual((False, b"tail"), decode(b"\x83d\0\5falsetail"))
self.assertEqual((None, b""), decode(b"\x83d\0\11undefined"))
self.assertEqual((None, b"tail"), decode(b"\x83d\0\11undefinedtail"))
def test_decode_small_tuple(self):
self.assertRaises(IncompleteData, decode, "\x83h")
self.assertRaises(IncompleteData, decode, "\x83h\1")
self.assertEqual(((), ""), decode("\x83h\0"))
self.assertEqual(((), "tail"), decode("\x83h\0tail"))
self.assertEqual((([], []), ""), decode("\x83h\2jj"))
self.assertEqual((([], []), "tail"), decode("\x83h\2jjtail"))
def test_decode_python_opaque_object(self):
data, tail = decode(b"\x83h\3d\0\x0f$erlport.opaqued\0\6python" b"m\0\0\0\14S'test'\np0\n.")
self.assertEqual("test", data)
self.assertEqual(b"", tail)
data, tail = decode(b"\x83h\3d\0\x0f$erlport.opaqued\0\6python" b"m\0\0\0\14S'test'\np0\n.tail")
self.assertEqual("test", data)
self.assertEqual(b"tail", tail)
def test_decode_small_tuple(self):
self.assertRaises(IncompleteData, decode, b"\x83h")
self.assertRaises(IncompleteData, decode, b"\x83h\1")
self.assertEqual(((), b""), decode(b"\x83h\0"))
self.assertEqual(((), b"tail"), decode(b"\x83h\0tail"))
self.assertEqual((([], []), b""), decode(b"\x83h\2jj"))
self.assertEqual((([], []), b"tail"), decode(b"\x83h\2jjtail"))
def test_decode_atom(self):
self.assertRaises(IncompleteData, decode, b"\x83d")
self.assertRaises(IncompleteData, decode, b"\x83d\0")
self.assertRaises(IncompleteData, decode, b"\x83d\0\1")
self.assertEqual((Atom(b""), b""), decode(b"\x83d\0\0"))
self.assertEqual((Atom(b""), b"tail"), decode(b"\x83d\0\0tail"))
self.assertEqual((Atom(b"test"), b""), decode(b"\x83d\0\4test"))
self.assertEqual((Atom(b"test"), b"tail"), decode(b"\x83d\0\4testtail"))
def test_decode_atom(self):
self.assertRaises(IncompleteData, decode, b"\x83d")
self.assertRaises(IncompleteData, decode, b"\x83d\0")
self.assertRaises(IncompleteData, decode, b"\x83d\0\1")
self.assertEqual((Atom(b""), b""), decode(b"\x83d\0\0"))
self.assertEqual((Atom(b""), b"tail"), decode(b"\x83d\0\0tail"))
self.assertEqual((Atom(b"test"), b""), decode(b"\x83d\0\4test"))
self.assertEqual((Atom(b"test"), b"tail"), decode(b"\x83d\0\4testtail"))
def test_decode_python_opaque_object(self):
data, tail = decode("\x83h\3d\0\x0f$erlport.opaqued\0\6python"
"m\0\0\0\14S'test'\np0\n.")
self.assertEqual("test", data)
self.assertEqual("", tail)
data, tail = decode("\x83h\3d\0\x0f$erlport.opaqued\0\6python"
"m\0\0\0\14S'test'\np0\n.tail")
self.assertEqual("test", data)
self.assertEqual("tail", tail)
def test_decode_binary(self):
self.assertRaises(IncompleteData, decode, b"\x83m")
self.assertRaises(IncompleteData, decode, b"\x83m\0")
self.assertRaises(IncompleteData, decode, b"\x83m\0\0")
self.assertRaises(IncompleteData, decode, b"\x83m\0\0\0")
self.assertRaises(IncompleteData, decode, b"\x83m\0\0\0\1")
self.assertEqual((b"", b""), decode(b"\x83m\0\0\0\0"))
self.assertEqual((b"", b"tail"), decode(b"\x83m\0\0\0\0tail"))
self.assertEqual((b"data", b""), decode(b"\x83m\0\0\0\4data"))
self.assertEqual((b"data", b"tail"), decode(b"\x83m\0\0\0\4datatail"))
def test_decode_string_list(self):
self.assertRaises(IncompleteData, decode, b"\x83k")
self.assertRaises(IncompleteData, decode, b"\x83k\0")
self.assertRaises(IncompleteData, decode, b"\x83k\0\1")
# Erlang use 'j' tag for empty lists
self.assertEqual(([], b""), decode(b"\x83k\0\0"))
self.assertEqual(([], b"tail"), decode(b"\x83k\0\0tail"))
self.assertEqual(([116, 101, 115, 116], b""), decode(b"\x83k\0\4test"))
self.assertTrue(isinstance(decode(b"\x83k\0\4test")[0], List))
self.assertEqual(([116, 101, 115, 116], b"tail"), decode(b"\x83k\0\4testtail"))
def test_decode_binary(self):
self.assertRaises(IncompleteData, decode, "\x83m")
self.assertRaises(IncompleteData, decode, "\x83m\0")
self.assertRaises(IncompleteData, decode, "\x83m\0\0")
self.assertRaises(IncompleteData, decode, "\x83m\0\0\0")
self.assertRaises(IncompleteData, decode, "\x83m\0\0\0\1")
self.assertEqual(("", ""), decode("\x83m\0\0\0\0"))
self.assertEqual(("", "tail"), decode("\x83m\0\0\0\0tail"))
self.assertEqual(("data", ""), decode("\x83m\0\0\0\4data"))
self.assertEqual(("data", "tail"), decode("\x83m\0\0\0\4datatail"))
def test_decode_small_big_integer(self):
self.assertRaises(IncompleteData, decode, b"\x83n")
self.assertRaises(IncompleteData, decode, b"\x83n\0")
self.assertRaises(IncompleteData, decode, b"\x83n\1\0")
# Erlang use 'a' tag for small integers
self.assertEqual((0, b""), decode(b"\x83n\0\0"))
self.assertEqual((0, b"tail"), decode(b"\x83n\0\0tail"))
self.assertEqual((6618611909121, b""), decode(b"\x83n\6\0\1\2\3\4\5\6"))
self.assertEqual((-6618611909121, b""), decode(b"\x83n\6\1\1\2\3\4\5\6"))
self.assertEqual((6618611909121, b"tail"), decode(b"\x83n\6\0\1\2\3\4\5\6tail"))
def test_decode_large_tuple(self):
self.assertRaises(IncompleteData, decode, b"\x83i")
self.assertRaises(IncompleteData, decode, b"\x83i\0")
self.assertRaises(IncompleteData, decode, b"\x83i\0\0")
self.assertRaises(IncompleteData, decode, b"\x83i\0\0\0")
self.assertRaises(IncompleteData, decode, b"\x83i\0\0\0\1")
# Erlang use 'h' tag for small tuples
self.assertEqual(((), b""), decode(b"\x83i\0\0\0\0"))
self.assertEqual(((), b"tail"), decode(b"\x83i\0\0\0\0tail"))
self.assertEqual((([], []), b""), decode(b"\x83i\0\0\0\2jj"))
self.assertEqual((([], []), b"tail"), decode(b"\x83i\0\0\0\2jjtail"))
def test_decode_opaque_object(self):
opaque, tail = decode(b"\x83h\3d\0\x0f$erlport.opaqued\0\10language" b"m\0\0\0\4data")
self.assertEqual(OpaqueObject, type(opaque))
self.assertEqual(b"data", opaque.data)
self.assertEqual(b"language", opaque.language)
self.assertEqual(b"", tail)
opaque, tail = decode(b"\x83h\3d\0\x0f$erlport.opaqued\0\10language" b"m\0\0\0\4datatail")
self.assertEqual(OpaqueObject, type(opaque))
self.assertEqual(b"data", opaque.data)
self.assertEqual(b"language", opaque.language)
self.assertEqual(b"tail", tail)
def test_decode_compressed_term(self):
self.assertRaises(IncompleteData, decode, "\x83P")
self.assertRaises(IncompleteData, decode, "\x83P\0")
self.assertRaises(IncompleteData, decode, "\x83P\0\0")
self.assertRaises(IncompleteData, decode, "\x83P\0\0\0")
self.assertRaises(IncompleteData, decode, "\x83P\0\0\0\0")
self.assertRaises(ValueError, decode, "\x83P\0\0\0\x16" "\x78\xda\xcb\x66\x10\x49\xc1\2\0\x5d\x60\x08\x50")
self.assertEqual(([100] * 20, ""), decode("\x83P\0\0\0\x17" "\x78\xda\xcb\x66\x10\x49\xc1\2\0\x5d\x60\x08\x50"))
self.assertEqual(
([100] * 20, "tail"), decode("\x83P\0\0\0\x17" "\x78\xda\xcb\x66\x10\x49\xc1\2\0\x5d\x60\x08\x50tail")
)
def test_decode_large_tuple(self):
self.assertRaises(IncompleteData, decode, "\x83i")
self.assertRaises(IncompleteData, decode, "\x83i\0")
self.assertRaises(IncompleteData, decode, "\x83i\0\0")
self.assertRaises(IncompleteData, decode, "\x83i\0\0\0")
self.assertRaises(IncompleteData, decode, "\x83i\0\0\0\1")
# Erlang use 'h' tag for small tuples
self.assertEqual(((), ""), decode("\x83i\0\0\0\0"))
self.assertEqual(((), "tail"), decode("\x83i\0\0\0\0tail"))
self.assertEqual((([], []), ""), decode("\x83i\0\0\0\2jj"))
self.assertEqual((([], []), "tail"), decode("\x83i\0\0\0\2jjtail"))
def test_decode_small_big_integer(self):
self.assertRaises(IncompleteData, decode, "\x83n")
self.assertRaises(IncompleteData, decode, "\x83n\0")
self.assertRaises(IncompleteData, decode, "\x83n\1\0")
# Erlang use 'a' tag for small integers
self.assertEqual((0, ""), decode("\x83n\0\0"))
self.assertEqual((0, "tail"), decode("\x83n\0\0tail"))
self.assertEqual((6618611909121, ""), decode("\x83n\6\0\1\2\3\4\5\6"))
self.assertEqual((-6618611909121, ""), decode("\x83n\6\1\1\2\3\4\5\6"))
self.assertEqual((6618611909121, "tail"),
decode("\x83n\6\0\1\2\3\4\5\6tail"))
def test_decode_string_list(self):
self.assertRaises(IncompleteData, decode, "\x83k")
self.assertRaises(IncompleteData, decode, "\x83k\0")
self.assertRaises(IncompleteData, decode, "\x83k\0\1")
# Erlang use 'j' tag for empty lists
self.assertEqual(([], ""), decode("\x83k\0\0"))
self.assertEqual(([], "tail"), decode("\x83k\0\0tail"))
self.assertEqual(([116, 101, 115, 116], ""), decode("\x83k\0\4test"))
self.assertTrue(isinstance(decode("\x83k\0\4test")[0], List))
self.assertEqual(([116, 101, 115, 116], "tail"),
decode("\x83k\0\4testtail"))
def test_decode_compressed_term(self):
self.assertRaises(IncompleteData, decode, b"\x83P")
self.assertRaises(IncompleteData, decode, b"\x83P\0")
self.assertRaises(IncompleteData, decode, b"\x83P\0\0")
self.assertRaises(IncompleteData, decode, b"\x83P\0\0\0")
self.assertRaises(IncompleteData, decode, b"\x83P\0\0\0\0")
self.assertRaises(ValueError, decode, b"\x83P\0\0\0\x16"
b"\x78\xda\xcb\x66\x10\x49\xc1\2\0\x5d\x60\x08\x50")
self.assertEqual(([100] * 20, b""), decode(b"\x83P\0\0\0\x17"
b"\x78\xda\xcb\x66\x10\x49\xc1\2\0\x5d\x60\x08\x50"))
self.assertEqual(([100] * 20, b"tail"), decode(b"\x83P\0\0\0\x17"
b"\x78\xda\xcb\x66\x10\x49\xc1\2\0\x5d\x60\x08\x50tail"))
def test_decode_improper_list(self):
self.assertRaises(IncompleteData, decode, "\x83l\0\0\0\0k")
improper, tail = decode("\x83l\0\0\0\1jd\0\4tail")
self.assertEqual(ImproperList, type(improper))
self.assertEqual([[]], list(improper))
self.assertEqual(Atom("tail"), improper.tail)
self.assertEqual("", tail)
improper, tail = decode("\x83l\0\0\0\1jd\0\4tailtail")
self.assertEqual(ImproperList, type(improper))
self.assertEqual([[]], list(improper))
self.assertEqual(Atom("tail"), improper.tail)
self.assertEqual("tail", tail)
def test_decode_list(self):
self.assertRaises(IncompleteData, decode, "\x83l")
self.assertRaises(IncompleteData, decode, "\x83l\0")
self.assertRaises(IncompleteData, decode, "\x83l\0\0")
self.assertRaises(IncompleteData, decode, "\x83l\0\0\0")
self.assertRaises(IncompleteData, decode, "\x83l\0\0\0\0")
# Elang use 'j' tag for empty lists
self.assertEqual(([], ""), decode("\x83l\0\0\0\0j"))
self.assertEqual(([], "tail"), decode("\x83l\0\0\0\0jtail"))
self.assertEqual(([[], []], ""), decode("\x83l\0\0\0\2jjj"))
self.assertTrue(isinstance(decode("\x83l\0\0\0\2jjj")[0], List))
self.assertEqual(([[], []], "tail"), decode("\x83l\0\0\0\2jjjtail"))
def test_decode_list(self):
self.assertRaises(IncompleteData, decode, b"\x83l")
self.assertRaises(IncompleteData, decode, b"\x83l\0")
self.assertRaises(IncompleteData, decode, b"\x83l\0\0")
self.assertRaises(IncompleteData, decode, b"\x83l\0\0\0")
self.assertRaises(IncompleteData, decode, b"\x83l\0\0\0\0")
# Elang use 'j' tag for empty lists
self.assertEqual(([], b""), decode(b"\x83l\0\0\0\0j"))
self.assertEqual(([], b"tail"), decode(b"\x83l\0\0\0\0jtail"))
self.assertEqual(([[], []], b""), decode(b"\x83l\0\0\0\2jjj"))
self.assertTrue(isinstance(decode(b"\x83l\0\0\0\2jjj")[0], List))
self.assertEqual(([[], []], b"tail"), decode(b"\x83l\0\0\0\2jjjtail"))
def test_decode_improper_list(self):
self.assertRaises(IncompleteData, decode, b"\x83l\0\0\0\0k")
improper, tail = decode(b"\x83l\0\0\0\1jd\0\4tail")
self.assertEqual(ImproperList, type(improper))
self.assertEqual([[]], list(improper))
self.assertEqual(Atom(b"tail"), improper.tail)
self.assertEqual(b"", tail)
improper, tail = decode(b"\x83l\0\0\0\1jd\0\4tailtail")
self.assertEqual(ImproperList, type(improper))
self.assertEqual([[]], list(improper))
self.assertEqual(Atom(b"tail"), improper.tail)
self.assertEqual(b"tail", tail)
def test_empty_map(self):
input = Map()
self.assertEquals(
(input, b""),
decode(encode(input))
)
input = {}
self.assertEquals(
(input, b""),
decode(encode(input))
)
def test_decode_float(self):
self.assertRaises(IncompleteData, decode, b"\x83F")
self.assertRaises(IncompleteData, decode, b"\x83F\0")
self.assertRaises(IncompleteData, decode, b"\x83F\0\0")
self.assertRaises(IncompleteData, decode, b"\x83F\0\0\0")
self.assertRaises(IncompleteData, decode, b"\x83F\0\0\0\0")
self.assertRaises(IncompleteData, decode, b"\x83F\0\0\0\0\0")
self.assertRaises(IncompleteData, decode, b"\x83F\0\0\0\0\0\0")
self.assertRaises(IncompleteData, decode, b"\x83F\0\0\0\0\0\0\0")
self.assertEqual((0.0, b""), decode(b"\x83F\0\0\0\0\0\0\0\0"))
self.assertEqual((0.0, b"tail"), decode(b"\x83F\0\0\0\0\0\0\0\0tail"))
self.assertEqual((1.5, b""), decode(b"\x83F?\xf8\0\0\0\0\0\0"))
self.assertEqual((1.5, b"tail"), decode(b"\x83F?\xf8\0\0\0\0\0\0tail"))
def test_decode_opaque_object(self):
opaque, tail = decode("\x83h\3d\0\x0f$erlport.opaqued\0\10language"
"m\0\0\0\4data")
self.assertEqual(OpaqueObject, type(opaque))
self.assertEqual("data", opaque.data)
self.assertEqual("language", opaque.language)
self.assertEqual("", tail)
opaque, tail = decode("\x83h\3d\0\x0f$erlport.opaqued\0\10language"
"m\0\0\0\4datatail")
self.assertEqual(OpaqueObject, type(opaque))
self.assertEqual("data", opaque.data)
self.assertEqual("language", opaque.language)
self.assertEqual("tail", tail)
def test_decode_float(self):
self.assertRaises(IncompleteData, decode, "\x83F")
self.assertRaises(IncompleteData, decode, "\x83F\0")
self.assertRaises(IncompleteData, decode, "\x83F\0\0")
self.assertRaises(IncompleteData, decode, "\x83F\0\0\0")
self.assertRaises(IncompleteData, decode, "\x83F\0\0\0\0")
self.assertRaises(IncompleteData, decode, "\x83F\0\0\0\0\0")
self.assertRaises(IncompleteData, decode, "\x83F\0\0\0\0\0\0")
self.assertRaises(IncompleteData, decode, "\x83F\0\0\0\0\0\0\0")
self.assertEqual((0.0, ""), decode("\x83F\0\0\0\0\0\0\0\0"))
self.assertEqual((0.0, "tail"), decode("\x83F\0\0\0\0\0\0\0\0tail"))
self.assertEqual((1.5, ""), decode("\x83F?\xf8\0\0\0\0\0\0"))
self.assertEqual((1.5, "tail"), decode("\x83F?\xf8\0\0\0\0\0\0tail"))
def test_big_map(self):
input = {b"hello_" + str(i): b"world" + str(i)
for i in range(10000)}
self.assertEquals(
(input, b""),
decode(encode(input))
)
def test_decode_map(self):
self.assertEqual(
(Map({"hello": "world"}), b""),
decode(
b"\x83t\x00\x00\x00\x01m\x00\x00\x00\x05hellom\x00\x00\x00\x05world"
))
self.assertEqual(
(Map({"hello": "world"}), b"rest"),
decode(
b"\x83t\x00\x00\x00\x01m\x00\x00\x00\x05hellom\x00\x00\x00\x05worldrest"
))
self.assertEqual(
(Map({"hello": List()}), b""),
decode(b"\x83t\x00\x00\x00\x01m\x00\x00\x00\x05helloj"))
self.assertRaises(IncompleteData, decode, b"\x83t\x00\x00\x00")
def test_decode_atom(self):
# ATOM_EXT:
self.assertRaises(IncompleteData, decode, b"\x83d")
self.assertRaises(IncompleteData, decode, b"\x83d\0")
self.assertRaises(IncompleteData, decode, b"\x83d\0\1")
self.assertEqual((Atom(b""), b""), decode(b"\x83d\0\0"))
self.assertEqual((Atom(b""), b"tail"), decode(b"\x83d\0\0tail"))
self.assertEqual((Atom(b"test"), b""), decode(b"\x83d\0\4test"))
self.assertEqual((Atom(b"test"), b"tail"), decode(b"\x83d\0\4testtail"))
self.assertEqual((Atom(b"\xe4"), b""), decode(b"\x83d\0\1\xe4"))
# SMALL_ATOM_UTF8_EXT:
self.assertRaises(IncompleteData, decode, b"\x83w")
self.assertRaises(IncompleteData, decode, b"\x83w\1")
self.assertEqual((Atom(b""), b""), decode(b"\x83w\0"))
self.assertEqual((Atom(b""), b"tail"), decode(b"\x83w\0tail"))
self.assertEqual((Atom(b"test"), b""), decode(b"\x83w\4test"))
self.assertEqual((Atom(b"test"), b"tail"), decode(b"\x83w\4testtail"))
self.assertEqual((Atom(b"\xc3\xa4"), b""), decode(b"\x83w\2\xc3\xa4"))
def test_decode_atom(self):
# ATOM_EXT:
self.assertRaises(IncompleteData, decode, "\x83d")
self.assertRaises(IncompleteData, decode, "\x83d\0")
self.assertRaises(IncompleteData, decode, "\x83d\0\1")
self.assertEqual((Atom(""), ""), decode("\x83d\0\0"))
self.assertEqual((Atom(""), "tail"), decode("\x83d\0\0tail"))
self.assertEqual((Atom("test"), ""), decode("\x83d\0\4test"))
self.assertEqual((Atom("test"), "tail"), decode("\x83d\0\4testtail"))
self.assertEqual((Atom("\xe4"), ""), decode("\x83d\0\1\xe4"))
# SMALL_ATOM_UTF8_EXT:
self.assertRaises(IncompleteData, decode, "\x83w")
self.assertRaises(IncompleteData, decode, "\x83w\1")
self.assertEqual((Atom(""), ""), decode("\x83w\0"))
self.assertEqual((Atom(""), "tail"), decode("\x83w\0tail"))
self.assertEqual((Atom("test"), ""), decode("\x83w\4test"))
self.assertEqual((Atom("test"), "tail"), decode("\x83w\4testtail"))
self.assertEqual((Atom("\xc3\xa4"), ""), decode("\x83w\2\xc3\xa4"))
def read_message(self):
"""Read incoming message."""
data = self._fin.read(self.packet)
if not data:
raise EOFError()
length, = unpack(self._format, data)
data = self._fin.read(length)
if not data:
raise EOFError()
return decode(data)[0]
def test_hash_list(self):
input = Map({List([1, 2, 3]): [4, 5, 6]})
self.assertEquals(
input[List([1, 2, 3])],
List([4, 5, 6])
)
self.assertEquals(
(input, b""),
decode(encode(input))
)
def read(self):
"""Read incoming message."""
packet = self.packet
with self.__read_lock:
buffer = self.__buffer
while len(buffer) < packet:
buffer += self._read_data()
length = self.__unpack(buffer[:packet])[0] + packet
while len(buffer) < length:
buffer += self._read_data()
term, self.__buffer = decode(buffer[packet:])
return term
def test_hash_improper_list(self):
input = Map({
ImproperList([1, 2, 3], 1000): b"xxx"
})
self.assertEquals(
(input, ""),
decode(encode(input))
)
self.assertEquals(
input[ImproperList([1, 2, 3], 1000)], b"xxx")
def read(self):
"""Read incoming message."""
packet = self.packet
with self.__read_lock:
buffer = self.__buffer
while len(buffer) < packet:
buffer += self._read_data()
length = self.__unpack(buffer[:packet])[0] + packet
while len(buffer) < length:
buffer += self._read_data()
term, self.__buffer = decode(buffer[packet:])
return term
def test_decode_map(self):
self.assertEqual(
(Map(hello="world"), ""),
decode(
"\x83t\x00\x00\x00\x01m\x00\x00\x00\x05"
"hellom\x00\x00\x00\x05world")
)
self.assertEqual(
(Map(hello="world"), "rest"),
decode(
"\x83t\x00\x00\x00\x01m\x00\x00\x00\x05"
"hellom\x00\x00\x00\x05worldrest")
)
self.assertEqual(
(Map(hello=List()), ""),
decode("\x83t\x00\x00\x00\x01m\x00\x00\x00\x05helloj")
)
self.assertRaises(IncompleteData, decode, "\x83t\x00\x00\x00")
def test_decode_predefined_atoms(self):
self.assertEqual((True, b""), decode(b"\x83d\0\4true"))
self.assertEqual((True, b"tail"), decode(b"\x83d\0\4truetail"))
self.assertEqual((False, b""), decode(b"\x83d\0\5false"))
self.assertEqual((False, b"tail"), decode(b"\x83d\0\5falsetail"))
self.assertEqual((None, b""), decode(b"\x83d\0\11undefined"))
self.assertEqual((None, b"tail"), decode(b"\x83d\0\11undefinedtail"))
def test_decode_integer(self):
self.assertRaises(IncompleteData, decode, b"\x83b")
self.assertRaises(IncompleteData, decode, b"\x83b\0")
self.assertRaises(IncompleteData, decode, b"\x83b\0\0")
self.assertRaises(IncompleteData, decode, b"\x83b\0\0\0")
# Erlang use 'a' tag for small integers
self.assertEqual((0, b""), decode(b"\x83b\0\0\0\0"))
self.assertEqual((0, b"tail"), decode(b"\x83b\0\0\0\0tail"))
self.assertEqual((2147483647, b""), decode(b"\x83b\x7f\xff\xff\xff"))
self.assertEqual((2147483647, b"tail"), decode(b"\x83b\x7f\xff\xff\xfftail"))
self.assertEqual((-1, b""), decode(b"\x83b\xff\xff\xff\xff"))
self.assertEqual((-1, b"tail"), decode(b"\x83b\xff\xff\xff\xfftail"))
def test_decode_integer(self):
self.assertRaises(IncompleteData, decode, "\x83b")
self.assertRaises(IncompleteData, decode, "\x83b\0")
self.assertRaises(IncompleteData, decode, "\x83b\0\0")
self.assertRaises(IncompleteData, decode, "\x83b\0\0\0")
# Erlang use 'a' tag for small integers
self.assertEqual((0, ""), decode("\x83b\0\0\0\0"))
self.assertEqual((0, "tail"), decode("\x83b\0\0\0\0tail"))
self.assertEqual((2147483647, ""), decode("\x83b\x7f\xff\xff\xff"))
self.assertEqual((2147483647, "tail"),
decode("\x83b\x7f\xff\xff\xfftail"))
self.assertEqual((-1, ""), decode("\x83b\xff\xff\xff\xff"))
self.assertEqual((-1, "tail"), decode("\x83b\xff\xff\xff\xfftail"))
def test_decode_predefined_atoms(self):
# ATOM_EXT:
self.assertEqual((True, b""), decode(b"\x83d\0\4true"))
self.assertEqual((True, b"tail"), decode(b"\x83d\0\4truetail"))
self.assertEqual((False, b""), decode(b"\x83d\0\5false"))
self.assertEqual((False, b"tail"), decode(b"\x83d\0\5falsetail"))
self.assertEqual((None, b""), decode(b"\x83d\0\11undefined"))
self.assertEqual((None, b"tail"), decode(b"\x83d\0\11undefinedtail"))
# SMALL_ATOM_UTF8_EXT:
self.assertEqual((True, b""), decode(b"\x83w\4true"))
self.assertEqual((True, b"tail"), decode(b"\x83w\4truetail"))
self.assertEqual((False, b""), decode(b"\x83w\5false"))
self.assertEqual((False, b"tail"), decode(b"\x83w\5falsetail"))
self.assertEqual((None, b""), decode(b"\x83w\11undefined"))
self.assertEqual((None, b"tail"), decode(b"\x83w\11undefinedtail"))
def test_empty_list(self):
input = List()
self.assertEquals(
(input, b""),
decode(encode(input))
)
def test_decode_small_integer(self):
self.assertRaises(IncompleteData, decode, b"\x83a")
self.assertEqual((0, b""), decode(b"\x83a\0"))
self.assertEqual((0, b"tail"), decode(b"\x83a\0tail"))
self.assertEqual((255, b""), decode(b"\x83a\xff"))
self.assertEqual((255, b"tail"), decode(b"\x83a\xfftail"))
def test_simple_list(self):
input = List([1, 2, 3])
self.assertEquals(
(input, b""),
decode(encode(input))
)
def test_nested_list(self):
input = List([[[[[[]]]]]])
self.assertEquals(
(input, b""),
decode(encode(input))
)
def test_simple_map(self):
input = Map({b"hello": b"world"})
self.assertEquals(
(input, b""),
decode(encode(input))
)
def test_opaque(self):
input = _TestObj(100)
output, _ = decode(encode(input))
self.assertEquals(input.v, input.v)
def test_decode_predefined_atoms(self):
# ATOM_EXT:
self.assertEqual((True, ""), decode("\x83d\0\4true"))
self.assertEqual((True, "tail"), decode("\x83d\0\4truetail"))
self.assertEqual((False, ""), decode("\x83d\0\5false"))
self.assertEqual((False, "tail"), decode("\x83d\0\5falsetail"))
self.assertEqual((None, ""), decode("\x83d\0\11undefined"))
self.assertEqual((None, "tail"), decode("\x83d\0\11undefinedtail"))
# SMALL_ATOM_UTF8_EXT:
self.assertEqual((True, ""), decode("\x83w\4true"))
self.assertEqual((True, "tail"), decode("\x83w\4truetail"))
self.assertEqual((False, ""), decode("\x83w\5false"))
self.assertEqual((False, "tail"), decode("\x83w\5falsetail"))
self.assertEqual((None, ""), decode("\x83w\11undefined"))
self.assertEqual((None, "tail"), decode("\x83w\11undefinedtail"))
def test_decode_empty_list(self):
self.assertEqual(([], ""), decode("\x83j"))
self.assertTrue(isinstance(decode("\x83j")[0], List))
self.assertEqual(([], "tail"), decode("\x83jtail"))
def test_decode_small_integer(self):
self.assertRaises(IncompleteData, decode, "\x83a")
self.assertEqual((0, ""), decode("\x83a\0"))
self.assertEqual((0, "tail"), decode("\x83a\0tail"))
self.assertEqual((255, ""), decode("\x83a\xff"))
self.assertEqual((255, "tail"), decode("\x83a\xfftail"))
def test_decode_empty_list(self):
self.assertEqual(([], b""), decode(b"\x83j"))
self.assertTrue(isinstance(decode(b"\x83j")[0], List))
self.assertEqual(([], b"tail"), decode(b"\x83jtail"))
def read(self):
"""Read incoming message."""
data = self._read_data(self.packet)
length, = unpack(self._format, data)
data = self._read_data(length)
return decode(data)[0]