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import ssl
import typing
from typing import Optional
from .._exceptions import ReadError
from .base import AsyncNetworkBackend, AsyncNetworkStream, NetworkBackend, NetworkStream
class MockSSLObject:
def __init__(self, http2: bool):
self._http2 = http2
def selected_alpn_protocol(self) -> str:
return "h2" if self._http2 else "http/1.1"
class MockStream(NetworkStream):
def __init__(self, buffer: typing.List[bytes], http2: bool = False) -> None:
self._buffer = buffer
self._http2 = http2
self._closed = False
def read(self, max_bytes: int, timeout: Optional[float] = None) -> bytes:
if self._closed:
raise ReadError("Connection closed")
if not self._buffer:
return b""
return self._buffer.pop(0)
def write(self, buffer: bytes, timeout: Optional[float] = None) -> None:
pass
def close(self) -> None:
self._closed = True
def start_tls(
self,
ssl_context: ssl.SSLContext,
server_hostname: Optional[str] = None,
timeout: Optional[float] = None,
) -> NetworkStream:
return self
def get_extra_info(self, info: str) -> typing.Any:
return MockSSLObject(http2=self._http2) if info == "ssl_object" else None
class MockBackend(NetworkBackend):
def __init__(self, buffer: typing.List[bytes], http2: bool = False) -> None:
self._buffer = buffer
self._http2 = http2
def connect_tcp(
self,
host: str,
port: int,
timeout: Optional[float] = None,
local_address: Optional[str] = None,
) -> NetworkStream:
return MockStream(list(self._buffer), http2=self._http2)
def connect_unix_socket(
self, path: str, timeout: Optional[float] = None
) -> NetworkStream:
return MockStream(list(self._buffer), http2=self._http2)
def sleep(self, seconds: float) -> None:
pass
class AsyncMockStream(AsyncNetworkStream):
def __init__(self, buffer: typing.List[bytes], http2: bool = False) -> None:
self._buffer = buffer
self._http2 = http2
self._closed = False
async def read(self, max_bytes: int, timeout: Optional[float] = None) -> bytes:
if self._closed:
raise ReadError("Connection closed")
if not self._buffer:
return b""
return self._buffer.pop(0)
async def write(self, buffer: bytes, timeout: Optional[float] = None) -> None:
pass
async def aclose(self) -> None:
self._closed = True
async def start_tls(
self,
ssl_context: ssl.SSLContext,
server_hostname: Optional[str] = None,
timeout: Optional[float] = None,
) -> AsyncNetworkStream:
return self
def get_extra_info(self, info: str) -> typing.Any:
return MockSSLObject(http2=self._http2) if info == "ssl_object" else None
class AsyncMockBackend(AsyncNetworkBackend):
def __init__(self, buffer: typing.List[bytes], http2: bool = False) -> None:
self._buffer = buffer
self._http2 = http2
async def connect_tcp(
self,
host: str,
port: int,
timeout: Optional[float] = None,
local_address: Optional[str] = None,
) -> AsyncNetworkStream:
return AsyncMockStream(list(self._buffer), http2=self._http2)
async def connect_unix_socket(
self, path: str, timeout: Optional[float] = None
) -> AsyncNetworkStream:
return AsyncMockStream(list(self._buffer), http2=self._http2)
async def sleep(self, seconds: float) -> None:
pass