chore: add test for config loader

server/pytest.ini

@@ -0,0 +1,2 @@
+[pytest]
+python_files = tests/*.py

server/tests/conftest.py

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+import sys
+import os
+
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../src')))

server/tests/test_config.py

@@ -0,0 +1,24 @@
+import unittest
+import tempfile
+import yaml
+
+from utils.config import load_yaml_config
+
+
+class TestLoadYamlConfig(unittest.TestCase):
+    def test_load_valid_yaml(self):
+        # Create a temporary YAML file
+        with tempfile.NamedTemporaryFile(mode='w') as f:
+            yaml.dump({'host': 'example.com', 'port': 8080}, f)
+            f.flush()
+            config = load_yaml_config(f.name)
+            self.assertEqual(config, {'host': 'example.com', 'port': 8080})
+
+    def test_load_non_existent_file(self):
+        # Test loading a non-existent file
+        config = load_yaml_config('non_existent_file.yaml')
+        self.assertEqual(config, {'host': '0.0.0.0', 'port': 9999})
+
+
+if __name__ == '__main__':
+    unittest.main()