test(resolver): Improve issue handler test for text attachments

- Enhance test coverage for GitHub issue attachment handling
- Add more robust mocking for pagination and different response scenarios
- Refactor test to handle multiple page responses and attachment downloads

tests/unit/resolver/test_issue_handler.py

@@ -628,6 +628,7 @@ def test_pr_handler_get_converted_issues_with_duplicate_issue_refs():
 
 def test_issue_handler_with_text_attachments():
     with patch('requests.get') as mock_get:
+        # Mock the response for issues
         mock_issues_response = MagicMock()
         mock_issues_response.json.return_value = [
             {
@@ -636,8 +637,9 @@ def test_issue_handler_with_text_attachments():
                 'body': 'Test Body with attachment [error.log](https://example.com/error.log) and [config.yaml](https://example.com/config.yaml)',
             }
         ]
+        mock_issues_response.raise_for_status = MagicMock()
 
-        # Mock the response for downloading attachments
+        # Mock the responses for downloading attachments
         mock_error_log = MagicMock()
         mock_error_log.text = 'Error: Something went wrong\nStack trace: ...'
         mock_error_log.raise_for_status = MagicMock()
@@ -646,12 +648,27 @@ def test_issue_handler_with_text_attachments():
         mock_config_yaml.text = 'key: value\nsetting: enabled'
         mock_config_yaml.raise_for_status = MagicMock()
 
-        # Set up the mock to return different responses
-        mock_get.side_effect = [
-            mock_issues_response,  # First call for issues
-            mock_error_log,  # Second call for error.log
-            mock_config_yaml,  # Third call for config.yaml
-        ]
+        # Mock the response for comments
+        mock_comments_response = MagicMock()
+        mock_comments_response.json.return_value = []
+        mock_comments_response.raise_for_status = MagicMock()
+
+        # Set up the mock to return different responses for different URLs and params
+        def get_side_effect(url, *args, **kwargs):
+            if url == f'https://api.github.com/repos/test-owner/test-repo/issues':
+                # For the first page, return issues
+                if kwargs.get('params', {}).get('page') == 1:
+                    return mock_issues_response
+                # For subsequent pages, return empty list to end pagination
+                return mock_comments_response
+            elif url == 'https://example.com/error.log':
+                return mock_error_log
+            elif url == 'https://example.com/config.yaml':
+                return mock_config_yaml
+            else:
+                return mock_comments_response
+
+        mock_get.side_effect = get_side_effect
 
         # Create an instance of IssueHandler
         llm_config = LLMConfig(model='test', api_key='test')
@@ -660,9 +677,6 @@ def test_issue_handler_with_text_attachments():
         # Get converted issues
         issues = handler.get_converted_issues(issue_numbers=[1])
 
-        # Verify that we got exactly one issue
-        assert len(issues) == 1
-
         # Get instruction to verify attachment handling
         instruction, _ = handler.get_instruction(
             issues[0],