start implementation on new architecture

test/reasoning_entry_test.py

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+import unittest
+from datetime import datetime
+
+from sia.reasoning_entry import ReasoningEntry
+
+class ReasoningEntryTest(unittest.TestCase):
+    def setUp(self):
+        """Set up test cases with fixed id and timestamp"""
+        self.test_id = "test-id-1234"
+        self.test_timestamp = datetime(2024, 10, 31, 12, 0, 0)
+        
+    def test_initialization(self):
+        """Test entry initialization"""
+        content = "test reasoning"
+        entry = ReasoningEntry(content, self.test_id, self.test_timestamp)
+        
+        self.assertEqual(entry.content, content)
+        self.assertEqual(entry.id, self.test_id)
+        self.assertEqual(entry.timestamp, self.test_timestamp)
+        
+    def test_update_does_nothing(self):
+        """Test that update operation has no effect"""
+        content = "test reasoning"
+        entry = ReasoningEntry(content, self.test_id, self.test_timestamp)
+        
+        # Store initial state
+        initial_content = entry.content
+        
+        # Perform update
+        entry.update()
+        
+        # Verify state hasn't changed
+        self.assertEqual(entry.content, initial_content)
+        
+    def test_generate_context(self):
+        """Test XML context generation"""
+        content = "test reasoning"
+        entry = ReasoningEntry(content, self.test_id, self.test_timestamp)
+        
+        element = entry.generate_context()
+        
+        # Verify XML structure
+        self.assertEqual(element.tag, "reasoning")
+        self.assertEqual(element.get("id"), self.test_id)
+        self.assertEqual(element.text, f"<![CDATA[{content}]]>")
+        
+    def test_special_characters(self):
+        """Test handling reasoning text with special characters"""
+        content = "Special reasoning: \n\t\r\'\"\\"
+        entry = ReasoningEntry(content, self.test_id, self.test_timestamp)
+        
+        element = entry.generate_context()
+        self.assertEqual(element.text, f"<![CDATA[{content}]]>")
+        
+    def test_empty_content(self):
+        """Test handling empty reasoning text"""
+        entry = ReasoningEntry("", self.test_id, self.test_timestamp)
+        
+        element = entry.generate_context()
+        self.assertEqual(element.text, "<![CDATA[]]>")
+        
+    def test_large_content(self):
+        """Test handling large reasoning text"""
+        content = "x" * 10000
+        entry = ReasoningEntry(content, self.test_id, self.test_timestamp)
+        
+        element = entry.generate_context()
+        self.assertEqual(element.text, f"<![CDATA[{content}]]>")
+        
+    def test_multiline_content(self):
+        """Test handling multiline reasoning text"""
+        content = """Line 1
+        Line 2
+        Line 3"""
+        entry = ReasoningEntry(content, self.test_id, self.test_timestamp)
+        
+        element = entry.generate_context()
+        self.assertEqual(element.text, f"<![CDATA[{content}]]>")