Feat/better resolve execution (#856)

* A better way to resolve execution providers

* Fix issues

* Fix issues

tests/test_inference_manager.py

@@ -0,0 +1,31 @@
+from unittest.mock import patch
+
+import pytest
+from onnxruntime import InferenceSession
+
+from facefusion import content_analyser, state_manager
+from facefusion.inference_manager import INFERENCE_POOLS, get_inference_pool
+
+
+@pytest.fixture(scope = 'module', autouse = True)
+def before_all() -> None:
+	state_manager.init_item('execution_device_id', '0')
+	state_manager.init_item('execution_providers', [ 'cpu' ])
+	state_manager.init_item('download_providers', [ 'github' ])
+	content_analyser.pre_check()
+
+
+def test_get_inference_pool() -> None:
+	model_sources = content_analyser.get_model_options().get('sources')
+
+	with patch('facefusion.inference_manager.detect_app_context', return_value = 'cli'):
+		get_inference_pool('test', model_sources)
+
+		assert isinstance(INFERENCE_POOLS.get('cli').get('test.0.cpu').get('content_analyser'), InferenceSession)
+
+	with patch('facefusion.inference_manager.detect_app_context', return_value = 'ui'):
+		get_inference_pool('test', model_sources)
+
+		assert isinstance(INFERENCE_POOLS.get('ui').get('test.0.cpu').get('content_analyser'), InferenceSession)
+
+	assert INFERENCE_POOLS.get('cli').get('test.0.cpu').get('content_analyser') == INFERENCE_POOLS.get('ui').get('test.0.cpu').get('content_analyser')