trustgraph/tests/unit/test_gateway/test_config_receiver.py
2026-04-17 09:09:22 +01:00

377 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()
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(self):
"""Test on_config_notify triggers fetch for newer version"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
config_receiver.config_version = 1
# Mock fetch_and_apply
fetch_calls = []
async def mock_fetch(**kwargs):
fetch_calls.append(kwargs)
config_receiver.fetch_and_apply = mock_fetch
# Create notify message with newer version
mock_msg = Mock()
mock_msg.value.return_value = Mock(version=2, types=["flow"])
await config_receiver.on_config_notify(mock_msg, None, None)
assert len(fetch_calls) == 1
@pytest.mark.asyncio
async def test_on_config_notify_old_version_ignored(self):
"""Test on_config_notify ignores older versions"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
config_receiver.config_version = 5
fetch_calls = []
async def mock_fetch(**kwargs):
fetch_calls.append(kwargs)
config_receiver.fetch_and_apply = mock_fetch
# Create notify message with older version
mock_msg = Mock()
mock_msg.value.return_value = Mock(version=3, types=["flow"])
await config_receiver.on_config_notify(mock_msg, None, None)
assert len(fetch_calls) == 0
@pytest.mark.asyncio
async def test_on_config_notify_irrelevant_types_ignored(self):
"""Test on_config_notify ignores types the gateway doesn't care about"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
config_receiver.config_version = 1
fetch_calls = []
async def mock_fetch(**kwargs):
fetch_calls.append(kwargs)
config_receiver.fetch_and_apply = mock_fetch
# Create notify message with non-flow type
mock_msg = Mock()
mock_msg.value.return_value = Mock(version=2, types=["prompt"])
await config_receiver.on_config_notify(mock_msg, None, None)
# Version should be updated but no fetch
assert len(fetch_calls) == 0
assert config_receiver.config_version == 2
@pytest.mark.asyncio
async def test_on_config_notify_flow_type_triggers_fetch(self):
"""Test on_config_notify fetches for flow-related types"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
config_receiver.config_version = 1
fetch_calls = []
async def mock_fetch(**kwargs):
fetch_calls.append(kwargs)
config_receiver.fetch_and_apply = mock_fetch
for type_name in ["flow"]:
fetch_calls.clear()
config_receiver.config_version = 1
mock_msg = Mock()
mock_msg.value.return_value = Mock(version=2, types=[type_name])
await config_receiver.on_config_notify(mock_msg, None, None)
assert len(fetch_calls) == 1, f"Expected fetch for type {type_name}"
@pytest.mark.asyncio
async def test_on_config_notify_exception_handling(self):
"""Test on_config_notify handles exceptions gracefully"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
# Create notify message that causes an exception
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_with_new_flows(self):
"""Test fetch_and_apply starts new flows"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
# Mock _create_config_client to return a mock client
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(id, flow):
start_flow_calls.append((id, flow))
config_receiver.start_flow = mock_start_flow
await config_receiver.fetch_and_apply()
assert config_receiver.config_version == 5
assert "flow1" in config_receiver.flows
assert "flow2" in config_receiver.flows
assert len(start_flow_calls) == 2
@pytest.mark.asyncio
async def test_fetch_and_apply_with_removed_flows(self):
"""Test fetch_and_apply stops removed flows"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
# Pre-populate with existing flows
config_receiver.flows = {
"flow1": {"name": "test_flow_1"},
"flow2": {"name": "test_flow_2"}
}
# Config now only has flow1
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(id, flow):
stop_flow_calls.append((id, flow))
config_receiver.stop_flow = mock_stop_flow
await config_receiver.fetch_and_apply()
assert "flow1" in config_receiver.flows
assert "flow2" not in config_receiver.flows
assert len(stop_flow_calls) == 1
assert stop_flow_calls[0][0] == "flow2"
@pytest.mark.asyncio
async def test_fetch_and_apply_with_no_flows(self):
"""Test fetch_and_apply with empty config"""
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()
assert config_receiver.flows == {}
assert config_receiver.config_version == 1
@pytest.mark.asyncio
async def test_start_flow_with_handlers(self):
"""Test start_flow method with multiple handlers"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
handler1 = Mock()
handler1.start_flow = Mock()
handler2 = Mock()
handler2.start_flow = Mock()
config_receiver.add_handler(handler1)
config_receiver.add_handler(handler2)
flow_data = {"name": "test_flow", "steps": []}
await config_receiver.start_flow("flow1", flow_data)
handler1.start_flow.assert_called_once_with("flow1", flow_data)
handler2.start_flow.assert_called_once_with("flow1", flow_data)
@pytest.mark.asyncio
async def test_start_flow_with_handler_exception(self):
"""Test start_flow method handles handler exceptions"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
handler = Mock()
handler.start_flow = Mock(side_effect=Exception("Handler error"))
config_receiver.add_handler(handler)
flow_data = {"name": "test_flow", "steps": []}
# Should not raise
await config_receiver.start_flow("flow1", flow_data)
handler.start_flow.assert_called_once_with("flow1", flow_data)
@pytest.mark.asyncio
async def test_stop_flow_with_handlers(self):
"""Test stop_flow method with multiple handlers"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
handler1 = Mock()
handler1.stop_flow = Mock()
handler2 = Mock()
handler2.stop_flow = Mock()
config_receiver.add_handler(handler1)
config_receiver.add_handler(handler2)
flow_data = {"name": "test_flow", "steps": []}
await config_receiver.stop_flow("flow1", flow_data)
handler1.stop_flow.assert_called_once_with("flow1", flow_data)
handler2.stop_flow.assert_called_once_with("flow1", flow_data)
@pytest.mark.asyncio
async def test_stop_flow_with_handler_exception(self):
"""Test stop_flow method handles handler exceptions"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
handler = Mock()
handler.stop_flow = Mock(side_effect=Exception("Handler error"))
config_receiver.add_handler(handler)
flow_data = {"name": "test_flow", "steps": []}
# Should not raise
await config_receiver.stop_flow("flow1", flow_data)
handler.stop_flow.assert_called_once_with("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_mixed_flow_operations(self):
"""Test fetch_and_apply with mixed add/remove operations"""
mock_backend = Mock()
config_receiver = ConfigReceiver(mock_backend)
# Pre-populate
config_receiver.flows = {
"flow1": {"name": "test_flow_1"},
"flow2": {"name": "test_flow_2"}
}
# Config removes flow1, keeps flow2, adds flow3
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(id, flow):
start_calls.append((id, flow))
async def mock_stop_flow(id, flow):
stop_calls.append((id, flow))
config_receiver.start_flow = mock_start_flow
config_receiver.stop_flow = mock_stop_flow
await config_receiver.fetch_and_apply()
assert "flow1" not in config_receiver.flows
assert "flow2" in config_receiver.flows
assert "flow3" in config_receiver.flows
assert len(start_calls) == 1
assert start_calls[0][0] == "flow3"
assert len(stop_calls) == 1
assert stop_calls[0][0] == "flow1"