feat: solution for 'Повторный экзамен: Граф с рефлексией и доработкой'

tests/test_nodes.py

@@ -0,0 +1,54 @@
+"""
+Unit tests for ReflectionNode and RewritingNode.
+"""
+
+import unittest
+from unittest.mock import MagicMock, patch
+
+from src.nodes import ReflectionNode, RewritingNode
+
+
+class TestNodes(unittest.TestCase):
+    @patch("src.llm_integration.get_llm")
+    def test_reflection_node(self, mock_get_llm):
+        # Mock LLM to return a fixed reflection
+        mock_llm = MagicMock()
+        mock_llm.return_value = "This is a reflection."
+        mock_get_llm.return_value = mock_llm
+
+        node = ReflectionNode("test_reflection")
+        input_text = "Sample input text."
+        output = node.process(input_text)
+
+        self.assertIsInstance(output, dict)
+        self.assertIn("reflection", output)
+        self.assertEqual(output["reflection"], "This is a reflection.")
+        # Ensure LLM was called with correct prompt
+        expected_prompt = (
+            "Please reflect on the following text:\n\nSample input text.\n\nReflection:"
+        )
+        mock_llm.assert_called_once_with(expected_prompt)
+
+    @patch("src.llm_integration.get_llm")
+    def test_rewriting_node(self, mock_get_llm):
+        # Mock LLM to return a fixed rewritten text
+        mock_llm = MagicMock()
+        mock_llm.return_value = "Rewritten text."
+        mock_get_llm.return_value = mock_llm
+
+        node = RewritingNode("test_rewriting", style="formal")
+        input_data = {"reflection": "This is a reflection."}
+        output = node.process(input_data)
+
+        self.assertIsInstance(output, dict)
+        self.assertIn("rewritten", output)
+        self.assertEqual(output["rewritten"], "Rewritten text.")
+        # Ensure LLM was called with correct prompt
+        expected_prompt = (
+            "Rewrite the following reflection in a formal style:\n\nThis is a reflection.\n\nRewritten:"
+        )
+        mock_llm.assert_called_once_with(expected_prompt)
+
+
+if __name__ == "__main__":
+    unittest.main()