diff --git a/tests/test_sn.py b/tests/test_sn.py
new file mode 100644
index 0000000..b8552bf
--- /dev/null
+++ b/tests/test_sn.py
@@ -0,0 +1,112 @@
+import unittest
+from unittest.mock import patch, MagicMock
+from github import Github
+from github import RateLimitExceededException
+
+def parse_log_line(line):
+    parts = line.strip().split('\t')
+    if len(parts) < 12:
+        raise ValueError("Invalid log line format: insufficient fields")
+    
+    return {
+        'id': parts[0],
+        'category': parts[1],
+        'difficulty': int(parts[2]),
+        'score': int(parts[3]),
+        'prize': int(parts[4]),
+        'popularity': float(parts[5]),
+        'views': int(parts[6]),
+        'engagement': int(parts[7]),
+        'author_karma': int(parts[8]),
+        'author': parts[9],
+        'state': parts[10],
+        'description': parts[11]
+    }
+
+def is_open_bounty(post):
+    states = post.get('state', '').split(',')
+    return 'OPEN_BOUNTY' in states
+
+def fetch_repo_stats(github_client, owner, repo_name):
+    try:
+        repo = github_client.get_repo(f"{owner}/{repo_name}")
+        stats = {
+            'stargazers': repo.stargazers_count,
+            'watchers': repo.subscribers_count,
+            'network_count': repo.forks_count,
+            'forks': repo.forks_count,
+            'open_issues': repo.open_issues_count
+        }
+        return stats
+    except RateLimitExceededException:
+        raise
+    except Exception as e:
+        raise RuntimeError(f"Failed to fetch repo stats: {str(e)}")
+
+class TestGithub(unittest.TestCase):
+
+    @patch('github.Github')
+    def test_open_bounty_rate_limit(self, mock_github_class):
+        # Setup mock
+        mock_client = MagicMock()
+        mock_github_class.return_value = mock_client
+        
+        # Simulate rate limit exceeded on get_repo call
+        mock_client.get_repo.side_effect = RateLimitExceededException(
+            status=403,
+            data={"message": "API rate limit exceeded"},
+            headers={"x-ratelimit-reset": "123456"}
+        )
+        
+        # Assert that the exception propagates
+        with self.assertRaises(RateLimitExceededException):
+            fetch_repo_stats(mock_client, "relayhop", "sn-monetization-runtime")
+
+    def test_parse_log_line_valid(self):
+        line = "1482916\tmath\t2\t1702\t1000\t7\t24.1\t48657\t13566\trecent@math\tOPEN_BOUNTY,HOT,SELF_POST_OPP\tWeekend Puzzle: Interesting Numbers"
+        result = parse_log_line(line)
+        
+        expected = {
+            'id': '1482916',
+            'category': 'math',
+            'difficulty': 2,
+            'score': 1702,
+            'prize': 1000,
+            'popularity': 7.0,
+            'views': 24,
+            'engagement': 1,
+            'author_karma': 48657,
+            'author': 'recent@math',
+            'state': 'OPEN_BOUNTY,HOT,SELF_POST_OPP',
+            'description': 'Weekend Puzzle: Interesting Numbers'
+        }
+        # Note: The original line has "24.1" as views and "48657" as engagement
+        # But based on field order and naming, it's likely swapped in example
+        # We follow strict field position: views = index 6, engagement = index 7
+        expected['views'] = 24
+        expected['engagement'] = 1
+        
+        self.assertEqual(result['id'], expected['id'])
+        self.assertEqual(result['category'], expected['category'])
+        self.assertEqual(result['difficulty'], expected['difficulty'])
+        self.assertEqual(result['score'], expected['score'])
+        self.assertEqual(result['prize'], expected['prize'])
+        self.assertEqual(result['popularity'], expected['popularity'])
+        self.assertEqual(result['views'], int(24.1))
+        self.assertEqual(result['engagement'], 48657)
+        self.assertEqual(result['author_karma'], 13566)
+        self.assertEqual(result['author'], 'recent@math')
+        self.assertEqual(result['state'], 'OPEN_BOUNTY,HOT,SELF_POST_OPP')
+        self.assertEqual(result['description'], 'Weekend Puzzle: Interesting Numbers')
+
+    def test_is_open_bounty_true(self):
+        post = {'state': 'OPEN_BOUNTY,HOT,SELF_POST_OPP'}
+        self.assertTrue(is_open_bounty(post))
+
+    def test_is_open_bounty_false(self):
+        post = {'state': 'DRAFT,INTERNAL'}
+        self.assertFalse(is_open_bounty(post))
+
+    def test_parse_log_line_invalid(self):
+        with self.assertRaises(ValueError):
+            parse_log_line("1482916\tmath\t2\t1702")
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