httpx/tests/test_decoding.py
2019-04-27 16:39:53 +01:00

95 lines
2.9 KiB
Python

import zlib
import brotli
import pytest
import httpcore
def test_deflate():
body = b"test 123"
compressor = zlib.compressobj(9, zlib.DEFLATED, -zlib.MAX_WBITS)
compressed_body = compressor.compress(body) + compressor.flush()
headers = [(b"Content-Encoding", b"deflate")]
response = httpcore.Response(200, headers=headers, body=compressed_body)
assert response.body == body
def test_gzip():
body = b"test 123"
compressor = zlib.compressobj(9, zlib.DEFLATED, zlib.MAX_WBITS | 16)
compressed_body = compressor.compress(body) + compressor.flush()
headers = [(b"Content-Encoding", b"gzip")]
response = httpcore.Response(200, headers=headers, body=compressed_body)
assert response.body == body
def test_brotli():
body = b"test 123"
compressed_body = brotli.compress(body)
headers = [(b"Content-Encoding", b"br")]
response = httpcore.Response(200, headers=headers, body=compressed_body)
assert response.body == body
def test_multi():
body = b"test 123"
deflate_compressor = zlib.compressobj(9, zlib.DEFLATED, -zlib.MAX_WBITS)
compressed_body = deflate_compressor.compress(body) + deflate_compressor.flush()
gzip_compressor = zlib.compressobj(9, zlib.DEFLATED, zlib.MAX_WBITS | 16)
compressed_body = (
gzip_compressor.compress(compressed_body) + gzip_compressor.flush()
)
headers = [(b"Content-Encoding", b"deflate, gzip")]
response = httpcore.Response(200, headers=headers, body=compressed_body)
assert response.body == body
def test_multi_with_identity():
body = b"test 123"
compressed_body = brotli.compress(body)
headers = [(b"Content-Encoding", b"br, identity")]
response = httpcore.Response(200, headers=headers, body=compressed_body)
assert response.body == body
headers = [(b"Content-Encoding", b"identity, br")]
response = httpcore.Response(200, headers=headers, body=compressed_body)
assert response.body == body
@pytest.mark.asyncio
async def test_streaming():
body = b"test 123"
compressor = zlib.compressobj(9, zlib.DEFLATED, zlib.MAX_WBITS | 16)
async def compress(body):
yield compressor.compress(body)
yield compressor.flush()
headers = [(b"Content-Encoding", b"gzip")]
response = httpcore.Response(200, headers=headers, body=compress(body))
assert not hasattr(response, "body")
assert await response.read() == body
@pytest.mark.parametrize(
'header_value, expected_exception',
[
(b"deflate", httpcore.DeflateDecodingError),
(b"gzip", httpcore.GzipDecodingError),
(b"br", httpcore.BrotliDecodingError),
])
def test_decoding_errors(header_value, expected_exception):
headers = [(b"Content-Encoding", header_value)]
body = b"test 123"
compressed_body = brotli.compress(body)[3:]
with pytest.raises(expected_exception):
response = httpcore.Response(200, headers=headers, body=compressed_body)