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Improve remote loader test #381

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Sep 1, 2023
Merged

Improve remote loader test #381

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21 changes: 17 additions & 4 deletions tests/test_loaders_remote.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import socket
import ssl
from struct import unpack
from unittest.mock import MagicMock, call, patch

from dissect.target.loaders.remote import RemoteStream, RemoteStreamConnection
Expand All @@ -11,11 +12,24 @@ def test_remote_loader_stream(mock_socket_class: MagicMock, mock_context: MagicM
rsc = RemoteStreamConnection("remote://127.0.0.1", 9001, options={"ca": "A", "key": "B", "crt": "C"})
assert rsc.is_connected() is False
rsc.connect()
rsc._ssl_sock.recv = MagicMock(return_value=b"ABC")

rsc.remote_disk_data = b"ABC"
rsc.remote_disk_response = None

def send(data: bytes) -> None:
_, offset, read = unpack(">BQQ", data)
rsc.remote_disk_response = rsc.remote_disk_data[offset : offset + read]
return len(data)

def receive(num: bytes) -> bytes:
return rsc.remote_disk_response

rsc._ssl_sock.send = send
rsc._ssl_sock.recv = receive
rs = RemoteStream(rsc, 0, 3)
rs.align = 1
rs.seek(1)
rs.read(2)
data = rs.read(2)
rs.close()
mock_socket_class.assert_called_with(socket.AddressFamily.AF_INET, socket.SocketKind.SOCK_STREAM)
expected = [
Expand All @@ -25,9 +39,8 @@ def test_remote_loader_stream(mock_socket_class: MagicMock, mock_context: MagicM
call().load_verify_locations("A"),
call().wrap_socket(rsc._socket, server_hostname="remote://127.0.0.1"),
call().wrap_socket().connect(("remote://127.0.0.1", 9001)),
call().wrap_socket().send(b"2\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02"),
call().wrap_socket().recv(2),
]
assert data == b"BC"
assert mock_context.mock_calls == expected
assert rs.tell() == 3
assert rsc.is_connected() is True
Expand Down