feat(utils): Refactor check_method to use ast

- 使用 AST 解析函数源码，相比基于字符串的方法更稳定，能够正确处理具有多行 def 语句的函数
- 为 check_method 添加了单元测试

tests/run.py

@@ -1,6 +1,8 @@
 import unittest
 
 from tests.test_metainfo import MetaInfoTest
+from tests.test_object import ObjectUtilsTest
+
 
 if __name__ == '__main__':
     suite = unittest.TestSuite()
@@ -8,6 +10,7 @@ if __name__ == '__main__':
     # 测试名称识别
     suite.addTest(MetaInfoTest('test_metainfo'))
     suite.addTest(MetaInfoTest('test_emby_format_ids'))
+    suite.addTest(ObjectUtilsTest('test_check_method'))
 
     # 运行测试
     runner = unittest.TextTestRunner()

tests/test_object.py

@@ -0,0 +1,41 @@
+from unittest import TestCase
+
+from app.utils.object import ObjectUtils
+
+
+class ObjectUtilsTest(TestCase):
+
+    def test_check_method(self):
+        def implemented_function():
+            return "Hello"
+
+        def pass_function():
+            pass
+
+        def docstring_function():
+            """This is a docstring."""
+
+        def ellipsis_function():
+            ...
+
+        def not_implemented_function():
+            raise NotImplementedError
+
+        def not_implemented_function_no_call():
+            raise NotImplementedError()
+
+        async def multiple_lines_async_def(_param1: str,
+                                           _param2: str):
+            pass
+
+        def empty_function():
+            return
+
+        self.assertTrue(ObjectUtils.check_method(implemented_function))
+        self.assertFalse(ObjectUtils.check_method(pass_function))
+        self.assertFalse(ObjectUtils.check_method(docstring_function))
+        self.assertFalse(ObjectUtils.check_method(ellipsis_function))
+        self.assertFalse(ObjectUtils.check_method(not_implemented_function))
+        self.assertFalse(ObjectUtils.check_method(not_implemented_function_no_call))
+        self.assertFalse(ObjectUtils.check_method(multiple_lines_async_def))
+        self.assertTrue(ObjectUtils.check_method(empty_function))