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"""
Timeout tests.
"""
import asyncio
import socket
import ssl
import pytest
from aiosmtplib import (
SMTP,
SMTPConnectTimeoutError,
SMTPServerDisconnected,
SMTPTimeoutError,
)
from aiosmtplib.protocol import SMTPProtocol
from .compat import cleanup_server
from .smtpd import mock_response_delayed_ok, mock_response_delayed_read
@pytest.mark.smtpd_mocks(smtp_EHLO=mock_response_delayed_ok)
async def test_command_timeout_error(smtp_client: SMTP) -> None:
await smtp_client.connect()
with pytest.raises(SMTPTimeoutError):
await smtp_client.ehlo(hostname="example.com", timeout=0.0)
@pytest.mark.smtpd_mocks(smtp_DATA=mock_response_delayed_ok)
async def test_data_timeout_error(smtp_client: SMTP) -> None:
await smtp_client.connect()
await smtp_client.ehlo()
await smtp_client.mail("j@example.com")
await smtp_client.rcpt("test@example.com")
with pytest.raises(SMTPTimeoutError):
await smtp_client.data("HELLO WORLD", timeout=0.0)
@pytest.mark.smtpd_mocks(_handle_client=mock_response_delayed_ok)
async def test_timeout_error_on_connect(smtp_client: SMTP) -> None:
with pytest.raises(SMTPTimeoutError):
await smtp_client.connect(timeout=0.0)
assert smtp_client.transport is None
assert smtp_client.protocol is None
@pytest.mark.smtpd_mocks(_handle_client=mock_response_delayed_read)
async def test_timeout_on_initial_read(smtp_client: SMTP) -> None:
with pytest.raises(SMTPTimeoutError):
# We need to use a timeout > 0 here to avoid timing out on connect
await smtp_client.connect(timeout=0.01)
@pytest.mark.smtpd_mocks(smtp_STARTTLS=mock_response_delayed_ok)
async def test_timeout_on_starttls(smtp_client: SMTP) -> None:
await smtp_client.connect()
await smtp_client.ehlo()
with pytest.raises(SMTPTimeoutError):
await smtp_client.starttls(timeout=0.0)
async def test_protocol_read_response_with_timeout_times_out(
echo_server: asyncio.AbstractServer,
hostname: str,
echo_server_port: int,
) -> None:
event_loop = asyncio.get_running_loop()
connect_future = event_loop.create_connection(
SMTPProtocol, host=hostname, port=echo_server_port
)
transport, protocol = await asyncio.wait_for(connect_future, timeout=1.0)
with pytest.raises(SMTPTimeoutError) as exc:
await protocol.read_response(timeout=0.0) # type: ignore
transport.close()
assert str(exc.value) == "Timed out waiting for server response"
async def test_connect_timeout_error(hostname: str, unused_tcp_port: int) -> None:
client = SMTP(hostname=hostname, port=unused_tcp_port, timeout=0.0)
with pytest.raises(SMTPConnectTimeoutError) as exc:
await client.connect()
expected_message = f"Timed out connecting to {hostname} on port {unused_tcp_port}"
assert str(exc.value) == expected_message
async def test_server_disconnected_error_after_connect_timeout(
hostname: str,
unused_tcp_port: int,
sender_str: str,
recipient_str: str,
message_str: str,
) -> None:
client = SMTP(hostname=hostname, port=unused_tcp_port)
with pytest.raises(SMTPConnectTimeoutError):
await client.connect(timeout=0.0)
with pytest.raises(SMTPServerDisconnected):
await client.sendmail(sender_str, [recipient_str], message_str)
async def test_protocol_timeout_on_starttls(
bind_address: str,
hostname: str,
client_tls_context: ssl.SSLContext,
) -> None:
event_loop = asyncio.get_running_loop()
async def client_connected(
reader: asyncio.StreamReader, writer: asyncio.StreamWriter
) -> None:
await asyncio.sleep(1.0)
server = await asyncio.start_server(
client_connected, host=bind_address, port=0, family=socket.AF_INET
)
server_port = server.sockets[0].getsockname()[1] if server.sockets else 0
connect_future = event_loop.create_connection(
SMTPProtocol, host=hostname, port=server_port
)
_, protocol = await asyncio.wait_for(connect_future, timeout=1.0)
with pytest.raises(SMTPTimeoutError):
# STARTTLS timeout must be > 0
await protocol.start_tls(client_tls_context, timeout=0.00001) # type: ignore
server.close()
await cleanup_server(server)
async def test_protocol_connection_aborted_on_starttls(
hostname: str,
smtpd_server_port: int,
client_tls_context: ssl.SSLContext,
monkeypatch: pytest.MonkeyPatch,
) -> None:
event_loop = asyncio.get_running_loop()
connect_future = event_loop.create_connection(
SMTPProtocol, host=hostname, port=smtpd_server_port
)
transport, protocol = await asyncio.wait_for(connect_future, timeout=1.0)
def mock_start_tls(*args, **kwargs) -> None:
raise ConnectionAbortedError("Connection was aborted")
monkeypatch.setattr(event_loop, "start_tls", mock_start_tls)
with pytest.raises(SMTPTimeoutError):
await protocol.start_tls(client_tls_context)
transport.close()
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