Fix #2271: Handle SQLite3 version check gracefully for ChromaDB

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/utilities/test_embedding_configurator.py

@@ -0,0 +1,32 @@
+import unittest
+from unittest.mock import patch, MagicMock
+
+class TestEmbeddingConfigurator(unittest.TestCase):
+    @patch('crewai.utilities.embedding_configurator.CHROMADB_AVAILABLE', False)
+    def test_embedding_configurator_with_chromadb_unavailable(self):
+        from crewai.utilities.embedding_configurator import EmbeddingConfigurator
+        
+        # Create an instance of EmbeddingConfigurator
+        configurator = EmbeddingConfigurator()
+        
+        # Verify that embedding_functions is empty
+        self.assertEqual(configurator.embedding_functions, {})
+        
+        # Verify that configure_embedder returns None
+        self.assertIsNone(configurator.configure_embedder())
+        
+    @patch('crewai.utilities.embedding_configurator.CHROMADB_AVAILABLE', True)
+    def test_embedding_configurator_with_chromadb_available(self):
+        from crewai.utilities.embedding_configurator import EmbeddingConfigurator
+        
+        # Create an instance of EmbeddingConfigurator
+        configurator = EmbeddingConfigurator()
+        
+        # Verify that embedding_functions is not empty
+        self.assertNotEqual(configurator.embedding_functions, {})
+        
+        # Mock the _create_default_embedding_function method
+        configurator._create_default_embedding_function = MagicMock(return_value="mock_embedding_function")
+        
+        # Verify that configure_embedder returns the mock embedding function
+        self.assertEqual(configurator.configure_embedder(), "mock_embedding_function")