Initial commit

test_02_1_03_system_initialization.py

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+import pytest
+pytest.skip("Obsolete test file replaced by component-specific unit tests", allow_module_level=True)
+
+from unittest.mock import Mock, patch
+from f02_1_flight_lifecycle_manager import FlightLifecycleManager
+
+@pytest.fixture
+def mock_deps():
+    return {
+        "configuration_manager": Mock(),
+        "model_manager": Mock(),
+        "flight_database": Mock(),
+        "satellite_data_manager": Mock()
+    }
+
+@pytest.fixture
+def manager(mock_deps):
+    return FlightLifecycleManager(mock_deps)
+
+class TestSystemInitialization:
+
+    def test_initialize_system_success_flow(self, manager, mock_deps):
+        """Verifies all components are called during a successful initialization."""
+        mock_deps["configuration_manager"].load_config.return_value = True
+        mock_deps["model_manager"].load_models.return_value = True
+        
+        # Track call order using a parent mock
+        parent = Mock()
+        parent.attach_mock(mock_deps["configuration_manager"].load_config, 'config')
+        parent.attach_mock(mock_deps["model_manager"].load_models, 'models')
+        
+        success = manager.initialize_system()
+        
+        assert success is True
+        # Verify order: config must be loaded before models
+        expected_calls = [('config', ()), ('models', ())]
+        assert parent.mock_calls == expected_calls
+
+    def test_initialize_system_config_failure(self, manager, mock_deps):
+        """Verifies failure in config loading halts startup and rolls back."""
+        mock_deps["configuration_manager"].load_config.return_value = False
+        
+        with patch.object(manager, '_rollback_partial_initialization') as mock_rollback:
+            success = manager.initialize_system()
+            
+            assert success is False
+            # Models should not be loaded if config fails
+            mock_deps["model_manager"].load_models.assert_not_called()
+            # Rollback should be triggered
+            mock_rollback.assert_called_once()
+
+    def test_initialize_system_model_failure(self, manager, mock_deps):
+        """Verifies failure in model loading triggers rollback."""
+        mock_deps["configuration_manager"].load_config.return_value = True
+        mock_deps["model_manager"].load_models.return_value = False # Force failure
+        
+        with patch.object(manager, '_rollback_partial_initialization') as mock_rollback:
+            success = manager.initialize_system()
+            
+            assert success is False
+            mock_rollback.assert_called_once()
+
+    def test_initialize_system_graceful_missing_deps(self):
+        """Verifies system handles missing dependencies gracefully (e.g. testing context)."""
+        empty_manager = FlightLifecycleManager({})
+        # Should log warnings but not crash
+        assert empty_manager.initialize_system() is True