mitmproxy/test/netlib/test_encoding.py
2016-09-06 11:07:50 +02:00

74 lines
2.1 KiB
Python

import mock
import pytest
from netlib import encoding, tutils
def test_identity():
assert b"string" == encoding.decode(b"string", "identity")
assert b"string" == encoding.encode(b"string", "identity")
with tutils.raises(ValueError):
encoding.encode(b"string", "nonexistent encoding")
def test_none():
assert b"string" == encoding.decode(b"string", "none")
assert b"string" == encoding.encode(b"string", "none")
@pytest.mark.parametrize("encoder", [
'gzip',
'br',
'deflate',
])
def test_encoders(encoder):
assert "" == encoding.decode("", encoder)
assert b"" == encoding.decode(b"", encoder)
assert "string" == encoding.decode(
encoding.encode(
"string",
encoder
),
encoder
)
assert b"string" == encoding.decode(
encoding.encode(
b"string",
encoder
),
encoder
)
with tutils.raises(ValueError):
encoding.decode(b"foobar", encoder)
def test_cache():
decode_gzip = mock.MagicMock()
decode_gzip.return_value = b"decoded"
encode_gzip = mock.MagicMock()
encode_gzip.return_value = b"encoded"
with mock.patch.dict(encoding.custom_decode, gzip=decode_gzip):
with mock.patch.dict(encoding.custom_encode, gzip=encode_gzip):
assert encoding.decode(b"encoded", "gzip") == b"decoded"
assert decode_gzip.call_count == 1
# should be cached
assert encoding.decode(b"encoded", "gzip") == b"decoded"
assert decode_gzip.call_count == 1
# the other way around as well
assert encoding.encode(b"decoded", "gzip") == b"encoded"
assert encode_gzip.call_count == 0
# different encoding
decode_gzip.return_value = b"bar"
assert encoding.encode(b"decoded", "deflate") != b"decoded"
assert encode_gzip.call_count == 0
# This is not in the cache anymore
assert encoding.encode(b"decoded", "gzip") == b"encoded"
assert encode_gzip.call_count == 1