diff --git a/tests/basic/test_models.py b/tests/basic/test_models.py
index d46a721db..51110d9de 100644
--- a/tests/basic/test_models.py
+++ b/tests/basic/test_models.py
@@ -1,6 +1,10 @@
 import unittest
+from unittest.mock import patch, mock_open
+import json
+import time
+from pathlib import Path
 
-from aider.models import Model
+from aider.models import Model, get_model_info
 
 
 class TestModels(unittest.TestCase):
@@ -23,6 +27,44 @@ class TestModels(unittest.TestCase):
         model = Model("gpt-4-0613")
         self.assertEqual(model.info["max_input_tokens"], 8 * 1024)
 
+    @patch('aider.models.litellm._lazy_module', False)
+    @patch('aider.models.Path.home')
+    @patch('aider.models.Path.stat')
+    @patch('aider.models.safe_read_json')
+    @patch('aider.models.safe_write_json')
+    @patch('aider.models.requests.get')
+    def test_get_model_info(self, mock_get, mock_write_json, mock_read_json, mock_stat, mock_home):
+        # Setup
+        mock_home.return_value = Path('/mock/home')
+        mock_stat.return_value.st_mtime = time.time() - 86400 * 2  # 2 days old
+
+        # Test case 1: Cache exists and is fresh
+        mock_read_json.return_value = {'test_model': {'info': 'cached'}}
+        mock_stat.return_value.st_mtime = time.time() - 3600  # 1 hour old
+        self.assertEqual(get_model_info('test_model'), {'info': 'cached'})
+
+        # Test case 2: Cache doesn't exist or is old, GitHub fetch succeeds
+        mock_read_json.return_value = None
+        mock_get.return_value.status_code = 200
+        mock_get.return_value.json.return_value = {'test_model': {'info': 'from_github'}}
+        self.assertEqual(get_model_info('test_model'), {'info': 'from_github'})
+
+        # Test case 3: Cache doesn't exist, GitHub fetch fails, fallback to local resource
+        mock_get.return_value.status_code = 404
+        with patch('importlib.resources.open_text') as mock_open_text:
+            mock_open_text.return_value.__enter__.return_value.read.return_value = json.dumps({'test_model': {'info': 'local_backup'}})
+            self.assertEqual(get_model_info('test_model'), {'info': 'local_backup'})
+
+        # Test case 4: All previous methods fail, fallback to litellm.get_model_info
+        mock_open_text.side_effect = Exception("Resource not found")
+        with patch('aider.models.litellm.get_model_info') as mock_litellm_get_model_info:
+            mock_litellm_get_model_info.return_value = {'info': 'from_litellm'}
+            self.assertEqual(get_model_info('test_model'), {'info': 'from_litellm'})
+
+        # Test case 5: Everything fails
+        mock_litellm_get_model_info.side_effect = Exception("LiteLLM failed")
+        self.assertEqual(get_model_info('test_model'), {})
+
 
 if __name__ == "__main__":
     unittest.main()