trustgraph/tests/unit/test_gateway/test_config_receiver.py
2026-04-22 15:19:57 +01:00

373 lines
12 KiB
Python

"""
Tests for Gateway Config Receiver
"""
import pytest
import asyncio
import json
from unittest.mock import Mock, patch, MagicMock, AsyncMock
import uuid
from trustgraph.gateway.config.receiver import ConfigReceiver
# Save the real method before patching
_real_config_loader = ConfigReceiver.config_loader
# Patch async methods at module level to prevent coroutine warnings
ConfigReceiver.config_loader = Mock()
def _notify(version, changes):
msg = Mock()
msg.value.return_value = Mock(version=version, changes=changes)
return msg
class TestConfigReceiver:
"""Test cases for ConfigReceiver class"""
def test_config_receiver_initialization(self):
"""Test ConfigReceiver initialization"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
assert config_receiver.backend == mock_backend
assert config_receiver.flow_handlers == []
assert config_receiver.flows == {}
assert config_receiver.config_version == 0
def test_add_handler(self):
"""Test adding flow handlers"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
handler1 = Mock()
handler2 = Mock()
config_receiver.add_handler(handler1)
config_receiver.add_handler(handler2)
assert len(config_receiver.flow_handlers) == 2
assert handler1 in config_receiver.flow_handlers
assert handler2 in config_receiver.flow_handlers
@pytest.mark.asyncio
async def test_on_config_notify_new_version_fetches_per_workspace(self):
"""Notify with newer version fetches each affected workspace."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
config_receiver.config_version = 1
fetch_calls = []
async def mock_fetch(workspace, retry=False):
fetch_calls.append(workspace)
config_receiver.fetch_and_apply_workspace = mock_fetch
msg = _notify(2, {"flow": ["ws1", "ws2"]})
await config_receiver.on_config_notify(msg, None, None)
assert set(fetch_calls) == {"ws1", "ws2"}
assert config_receiver.config_version == 2
@pytest.mark.asyncio
async def test_on_config_notify_old_version_ignored(self):
"""Older-version notifies are ignored."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
config_receiver.config_version = 5
fetch_calls = []
async def mock_fetch(workspace, retry=False):
fetch_calls.append(workspace)
config_receiver.fetch_and_apply_workspace = mock_fetch
msg = _notify(3, {"flow": ["ws1"]})
await config_receiver.on_config_notify(msg, None, None)
assert fetch_calls == []
@pytest.mark.asyncio
async def test_on_config_notify_irrelevant_types_ignored(self):
"""Notifies without flow changes advance version but skip fetch."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
config_receiver.config_version = 1
fetch_calls = []
async def mock_fetch(workspace, retry=False):
fetch_calls.append(workspace)
config_receiver.fetch_and_apply_workspace = mock_fetch
msg = _notify(2, {"prompt": ["ws1"]})
await config_receiver.on_config_notify(msg, None, None)
assert fetch_calls == []
assert config_receiver.config_version == 2
@pytest.mark.asyncio
async def test_on_config_notify_exception_handling(self):
"""on_config_notify swallows exceptions from message decode."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
mock_msg = Mock()
mock_msg.value.side_effect = Exception("Test exception")
# Should not raise
await config_receiver.on_config_notify(mock_msg, None, None)
@pytest.mark.asyncio
async def test_fetch_and_apply_workspace_starts_new_flows(self):
"""fetch_and_apply_workspace starts newly-configured flows."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
mock_resp = Mock()
mock_resp.error = None
mock_resp.version = 5
mock_resp.config = {
"flow": {
"flow1": '{"name": "test_flow_1"}',
"flow2": '{"name": "test_flow_2"}',
}
}
mock_client = AsyncMock()
mock_client.request.return_value = mock_resp
config_receiver._create_config_client = Mock(return_value=mock_client)
start_flow_calls = []
async def mock_start_flow(workspace, id, flow):
start_flow_calls.append((workspace, id, flow))
config_receiver.start_flow = mock_start_flow
await config_receiver.fetch_and_apply_workspace("default")
assert config_receiver.config_version == 5
assert "flow1" in config_receiver.flows["default"]
assert "flow2" in config_receiver.flows["default"]
assert len(start_flow_calls) == 2
assert all(c[0] == "default" for c in start_flow_calls)
@pytest.mark.asyncio
async def test_fetch_and_apply_workspace_stops_removed_flows(self):
"""fetch_and_apply_workspace stops flows no longer configured."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
config_receiver.flows = {
"default": {
"flow1": {"name": "test_flow_1"},
"flow2": {"name": "test_flow_2"},
}
}
mock_resp = Mock()
mock_resp.error = None
mock_resp.version = 5
mock_resp.config = {
"flow": {
"flow1": '{"name": "test_flow_1"}',
}
}
mock_client = AsyncMock()
mock_client.request.return_value = mock_resp
config_receiver._create_config_client = Mock(return_value=mock_client)
stop_flow_calls = []
async def mock_stop_flow(workspace, id, flow):
stop_flow_calls.append((workspace, id, flow))
config_receiver.stop_flow = mock_stop_flow
await config_receiver.fetch_and_apply_workspace("default")
assert "flow1" in config_receiver.flows["default"]
assert "flow2" not in config_receiver.flows["default"]
assert len(stop_flow_calls) == 1
assert stop_flow_calls[0][:2] == ("default", "flow2")
@pytest.mark.asyncio
async def test_fetch_and_apply_workspace_with_no_flows(self):
"""Empty workspace config clears any local flow state."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
mock_resp = Mock()
mock_resp.error = None
mock_resp.version = 1
mock_resp.config = {}
mock_client = AsyncMock()
mock_client.request.return_value = mock_resp
config_receiver._create_config_client = Mock(return_value=mock_client)
await config_receiver.fetch_and_apply_workspace("default")
assert config_receiver.flows.get("default", {}) == {}
assert config_receiver.config_version == 1
@pytest.mark.asyncio
async def test_start_flow_with_handlers(self):
"""start_flow fans out to every registered flow handler."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
handler1 = Mock()
handler1.start_flow = AsyncMock()
handler2 = Mock()
handler2.start_flow = AsyncMock()
config_receiver.add_handler(handler1)
config_receiver.add_handler(handler2)
flow_data = {"name": "test_flow", "steps": []}
await config_receiver.start_flow("default", "flow1", flow_data)
handler1.start_flow.assert_awaited_once_with(
"default", "flow1", flow_data
)
handler2.start_flow.assert_awaited_once_with(
"default", "flow1", flow_data
)
@pytest.mark.asyncio
async def test_start_flow_with_handler_exception(self):
"""Handler exceptions in start_flow do not propagate."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
handler = Mock()
handler.start_flow = AsyncMock(side_effect=Exception("Handler error"))
config_receiver.add_handler(handler)
flow_data = {"name": "test_flow", "steps": []}
# Should not raise
await config_receiver.start_flow("default", "flow1", flow_data)
handler.start_flow.assert_awaited_once_with(
"default", "flow1", flow_data
)
@pytest.mark.asyncio
async def test_stop_flow_with_handlers(self):
"""stop_flow fans out to every registered flow handler."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
handler1 = Mock()
handler1.stop_flow = AsyncMock()
handler2 = Mock()
handler2.stop_flow = AsyncMock()
config_receiver.add_handler(handler1)
config_receiver.add_handler(handler2)
flow_data = {"name": "test_flow", "steps": []}
await config_receiver.stop_flow("default", "flow1", flow_data)
handler1.stop_flow.assert_awaited_once_with(
"default", "flow1", flow_data
)
handler2.stop_flow.assert_awaited_once_with(
"default", "flow1", flow_data
)
@pytest.mark.asyncio
async def test_stop_flow_with_handler_exception(self):
"""Handler exceptions in stop_flow do not propagate."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
handler = Mock()
handler.stop_flow = AsyncMock(side_effect=Exception("Handler error"))
config_receiver.add_handler(handler)
flow_data = {"name": "test_flow", "steps": []}
# Should not raise
await config_receiver.stop_flow("default", "flow1", flow_data)
handler.stop_flow.assert_awaited_once_with(
"default", "flow1", flow_data
)
@patch('asyncio.create_task')
@pytest.mark.asyncio
async def test_start_creates_config_loader_task(self, mock_create_task):
"""Test start method creates config loader task"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
mock_task = Mock()
mock_create_task.return_value = mock_task
await config_receiver.start()
mock_create_task.assert_called_once()
@pytest.mark.asyncio
async def test_fetch_and_apply_workspace_mixed_flow_operations(self):
"""fetch_and_apply_workspace adds, keeps and removes flows in one pass."""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
config_receiver.flows = {
"default": {
"flow1": {"name": "test_flow_1"},
"flow2": {"name": "test_flow_2"},
}
}
mock_resp = Mock()
mock_resp.error = None
mock_resp.version = 5
mock_resp.config = {
"flow": {
"flow2": '{"name": "test_flow_2"}',
"flow3": '{"name": "test_flow_3"}',
}
}
mock_client = AsyncMock()
mock_client.request.return_value = mock_resp
config_receiver._create_config_client = Mock(return_value=mock_client)
start_calls = []
stop_calls = []
async def mock_start_flow(workspace, id, flow):
start_calls.append((workspace, id, flow))
async def mock_stop_flow(workspace, id, flow):
stop_calls.append((workspace, id, flow))
config_receiver.start_flow = mock_start_flow
config_receiver.stop_flow = mock_stop_flow
await config_receiver.fetch_and_apply_workspace("default")
ws_flows = config_receiver.flows["default"]
assert "flow1" not in ws_flows
assert "flow2" in ws_flows
assert "flow3" in ws_flows
assert len(start_calls) == 1
assert start_calls[0][:2] == ("default", "flow3")
assert len(stop_calls) == 1
assert stop_calls[0][:2] == ("default", "flow1")