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Test suite executed from CI pipeline (#433)
* Test strategy & test cases * Unit tests * Integration tests
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101 changed files with 17811 additions and 1 deletions
360
tests/unit/test_gateway/test_service.py
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360
tests/unit/test_gateway/test_service.py
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"""
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Tests for Gateway Service API
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"""
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import pytest
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import asyncio
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from unittest.mock import Mock, patch, MagicMock, AsyncMock
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from aiohttp import web
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import pulsar
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from trustgraph.gateway.service import Api, run, default_pulsar_host, default_prometheus_url, default_timeout, default_port, default_api_token
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# Tests for Gateway Service API
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class TestApi:
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"""Test cases for Api class"""
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def test_api_initialization_with_defaults(self):
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"""Test Api initialization with default values"""
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with patch('pulsar.Client') as mock_client:
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mock_client.return_value = Mock()
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api = Api()
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assert api.port == default_port
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assert api.timeout == default_timeout
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assert api.pulsar_host == default_pulsar_host
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assert api.pulsar_api_key is None
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assert api.prometheus_url == default_prometheus_url + "/"
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assert api.auth.allow_all is True
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# Verify Pulsar client was created without API key
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mock_client.assert_called_once_with(
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default_pulsar_host,
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listener_name=None
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)
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def test_api_initialization_with_custom_config(self):
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"""Test Api initialization with custom configuration"""
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config = {
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"port": 9000,
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"timeout": 300,
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"pulsar_host": "pulsar://custom-host:6650",
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"pulsar_api_key": "test-api-key",
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"pulsar_listener": "custom-listener",
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"prometheus_url": "http://custom-prometheus:9090",
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"api_token": "secret-token"
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}
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with patch('pulsar.Client') as mock_client, \
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patch('pulsar.AuthenticationToken') as mock_auth:
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mock_client.return_value = Mock()
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mock_auth.return_value = Mock()
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api = Api(**config)
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assert api.port == 9000
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assert api.timeout == 300
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assert api.pulsar_host == "pulsar://custom-host:6650"
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assert api.pulsar_api_key == "test-api-key"
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assert api.prometheus_url == "http://custom-prometheus:9090/"
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assert api.auth.token == "secret-token"
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assert api.auth.allow_all is False
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# Verify Pulsar client was created with API key
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mock_auth.assert_called_once_with("test-api-key")
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mock_client.assert_called_once_with(
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"pulsar://custom-host:6650",
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listener_name="custom-listener",
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authentication=mock_auth.return_value
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)
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def test_api_initialization_with_pulsar_api_key(self):
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"""Test Api initialization with Pulsar API key authentication"""
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with patch('pulsar.Client') as mock_client, \
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patch('pulsar.AuthenticationToken') as mock_auth:
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mock_client.return_value = Mock()
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mock_auth.return_value = Mock()
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api = Api(pulsar_api_key="test-key")
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mock_auth.assert_called_once_with("test-key")
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mock_client.assert_called_once_with(
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default_pulsar_host,
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listener_name=None,
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authentication=mock_auth.return_value
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)
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def test_api_initialization_prometheus_url_normalization(self):
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"""Test that prometheus_url gets normalized with trailing slash"""
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with patch('pulsar.Client') as mock_client:
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mock_client.return_value = Mock()
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# Test URL without trailing slash
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api = Api(prometheus_url="http://prometheus:9090")
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assert api.prometheus_url == "http://prometheus:9090/"
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# Test URL with trailing slash
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api = Api(prometheus_url="http://prometheus:9090/")
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assert api.prometheus_url == "http://prometheus:9090/"
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def test_api_initialization_empty_api_token_means_no_auth(self):
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"""Test that empty API token results in allow_all authentication"""
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with patch('pulsar.Client') as mock_client:
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mock_client.return_value = Mock()
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api = Api(api_token="")
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assert api.auth.allow_all is True
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def test_api_initialization_none_api_token_means_no_auth(self):
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"""Test that None API token results in allow_all authentication"""
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with patch('pulsar.Client') as mock_client:
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mock_client.return_value = Mock()
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api = Api(api_token=None)
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assert api.auth.allow_all is True
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@pytest.mark.asyncio
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async def test_app_factory_creates_application(self):
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"""Test that app_factory creates aiohttp application"""
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with patch('pulsar.Client') as mock_client:
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mock_client.return_value = Mock()
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api = Api()
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# Mock the dependencies
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api.config_receiver = Mock()
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api.config_receiver.start = AsyncMock()
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api.endpoint_manager = Mock()
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api.endpoint_manager.add_routes = Mock()
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api.endpoint_manager.start = AsyncMock()
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app = await api.app_factory()
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assert isinstance(app, web.Application)
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assert app._client_max_size == 256 * 1024 * 1024
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# Verify that config receiver was started
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api.config_receiver.start.assert_called_once()
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# Verify that endpoint manager was configured
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api.endpoint_manager.add_routes.assert_called_once_with(app)
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api.endpoint_manager.start.assert_called_once()
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@pytest.mark.asyncio
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async def test_app_factory_with_custom_endpoints(self):
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"""Test app_factory with custom endpoints"""
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with patch('pulsar.Client') as mock_client:
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mock_client.return_value = Mock()
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api = Api()
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# Mock custom endpoints
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mock_endpoint1 = Mock()
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mock_endpoint1.add_routes = Mock()
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mock_endpoint1.start = AsyncMock()
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mock_endpoint2 = Mock()
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mock_endpoint2.add_routes = Mock()
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mock_endpoint2.start = AsyncMock()
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api.endpoints = [mock_endpoint1, mock_endpoint2]
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# Mock the dependencies
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api.config_receiver = Mock()
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api.config_receiver.start = AsyncMock()
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api.endpoint_manager = Mock()
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api.endpoint_manager.add_routes = Mock()
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api.endpoint_manager.start = AsyncMock()
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app = await api.app_factory()
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# Verify custom endpoints were configured
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mock_endpoint1.add_routes.assert_called_once_with(app)
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mock_endpoint1.start.assert_called_once()
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mock_endpoint2.add_routes.assert_called_once_with(app)
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mock_endpoint2.start.assert_called_once()
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def test_run_method_calls_web_run_app(self):
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"""Test that run method calls web.run_app"""
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with patch('pulsar.Client') as mock_client, \
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patch('aiohttp.web.run_app') as mock_run_app:
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mock_client.return_value = Mock()
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api = Api(port=8080)
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api.run()
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# Verify run_app was called once with the correct port
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mock_run_app.assert_called_once()
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args, kwargs = mock_run_app.call_args
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assert len(args) == 1 # Should have one positional arg (the coroutine)
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assert kwargs == {'port': 8080} # Should have port keyword arg
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def test_api_components_initialization(self):
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"""Test that all API components are properly initialized"""
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with patch('pulsar.Client') as mock_client:
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mock_client.return_value = Mock()
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api = Api()
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# Verify all components are initialized
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assert api.config_receiver is not None
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assert api.dispatcher_manager is not None
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assert api.endpoint_manager is not None
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assert api.endpoints == []
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# Verify component relationships
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assert api.dispatcher_manager.pulsar_client == api.pulsar_client
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assert api.dispatcher_manager.config_receiver == api.config_receiver
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assert api.endpoint_manager.dispatcher_manager == api.dispatcher_manager
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# EndpointManager doesn't store auth directly, it passes it to individual endpoints
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class TestRunFunction:
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"""Test cases for the run() function"""
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def test_run_function_with_metrics_enabled(self):
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"""Test run function with metrics enabled"""
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import warnings
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# Suppress the specific async warning with a broader pattern
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warnings.filterwarnings("ignore", message=".*Api.app_factory.*was never awaited", category=RuntimeWarning)
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with patch('argparse.ArgumentParser.parse_args') as mock_parse_args, \
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patch('trustgraph.gateway.service.start_http_server') as mock_start_http_server:
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# Mock command line arguments
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mock_args = Mock()
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mock_args.metrics = True
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mock_args.metrics_port = 8000
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mock_parse_args.return_value = mock_args
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# Create a simple mock instance without any async methods
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mock_api_instance = Mock()
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mock_api_instance.run = Mock()
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# Create a mock Api class without importing the real one
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mock_api = Mock(return_value=mock_api_instance)
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# Patch using context manager to avoid importing the real Api class
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with patch('trustgraph.gateway.service.Api', mock_api):
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# Mock vars() to return a dict
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with patch('builtins.vars') as mock_vars:
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mock_vars.return_value = {
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'metrics': True,
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'metrics_port': 8000,
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'pulsar_host': default_pulsar_host,
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'timeout': default_timeout
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}
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run()
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# Verify metrics server was started
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mock_start_http_server.assert_called_once_with(8000)
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# Verify Api was created and run was called
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mock_api.assert_called_once()
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mock_api_instance.run.assert_called_once()
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@patch('trustgraph.gateway.service.start_http_server')
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@patch('argparse.ArgumentParser.parse_args')
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def test_run_function_with_metrics_disabled(self, mock_parse_args, mock_start_http_server):
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"""Test run function with metrics disabled"""
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# Mock command line arguments
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mock_args = Mock()
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mock_args.metrics = False
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mock_parse_args.return_value = mock_args
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# Create a simple mock instance without any async methods
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mock_api_instance = Mock()
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mock_api_instance.run = Mock()
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# Patch the Api class inside the test without using decorators
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with patch('trustgraph.gateway.service.Api') as mock_api:
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mock_api.return_value = mock_api_instance
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# Mock vars() to return a dict
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with patch('builtins.vars') as mock_vars:
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mock_vars.return_value = {
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'metrics': False,
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'metrics_port': 8000,
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'pulsar_host': default_pulsar_host,
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'timeout': default_timeout
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}
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run()
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# Verify metrics server was NOT started
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mock_start_http_server.assert_not_called()
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# Verify Api was created and run was called
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mock_api.assert_called_once()
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mock_api_instance.run.assert_called_once()
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@patch('argparse.ArgumentParser.parse_args')
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def test_run_function_argument_parsing(self, mock_parse_args):
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"""Test that run function properly parses command line arguments"""
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# Mock command line arguments
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mock_args = Mock()
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mock_args.metrics = False
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mock_parse_args.return_value = mock_args
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# Create a simple mock instance without any async methods
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mock_api_instance = Mock()
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mock_api_instance.run = Mock()
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# Mock vars() to return a dict with all expected arguments
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expected_args = {
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'pulsar_host': 'pulsar://test:6650',
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'pulsar_api_key': 'test-key',
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'pulsar_listener': 'test-listener',
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'prometheus_url': 'http://test-prometheus:9090',
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'port': 9000,
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'timeout': 300,
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'api_token': 'secret',
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'log_level': 'INFO',
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'metrics': False,
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'metrics_port': 8001
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}
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# Patch the Api class inside the test without using decorators
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with patch('trustgraph.gateway.service.Api') as mock_api:
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mock_api.return_value = mock_api_instance
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with patch('builtins.vars') as mock_vars:
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mock_vars.return_value = expected_args
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run()
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# Verify Api was created with the parsed arguments
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mock_api.assert_called_once_with(**expected_args)
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mock_api_instance.run.assert_called_once()
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def test_run_function_creates_argument_parser(self):
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"""Test that run function creates argument parser with correct arguments"""
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with patch('argparse.ArgumentParser') as mock_parser_class:
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mock_parser = Mock()
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mock_parser_class.return_value = mock_parser
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mock_parser.parse_args.return_value = Mock(metrics=False)
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with patch('trustgraph.gateway.service.Api') as mock_api, \
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patch('builtins.vars') as mock_vars:
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mock_vars.return_value = {'metrics': False}
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mock_api.return_value = Mock()
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run()
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# Verify ArgumentParser was created
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mock_parser_class.assert_called_once()
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# Verify add_argument was called for each expected argument
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expected_arguments = [
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'pulsar-host', 'pulsar-api-key', 'pulsar-listener',
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'prometheus-url', 'port', 'timeout', 'api-token',
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'log-level', 'metrics', 'metrics-port'
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]
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# Check that add_argument was called multiple times (once for each arg)
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assert mock_parser.add_argument.call_count >= len(expected_arguments)
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