add test

Author: zhengweijun

tests/unit_tests/test_agents.py

@@ -0,0 +1,34 @@
+def test_agents_completion_error_field():
+    from zhipuai.types.agents.agents_completion import AgentsCompletion, AgentsError, AgentsCompletionChoice, AgentsCompletionMessage, AgentsCompletionUsage
+
+    # 构造一个 AgentsError
+    error = AgentsError(code="404", message="Not Found")
+
+    # 构造一个完整的 AgentsCompletion
+    completion = AgentsCompletion(
+        agent_id="test_agent",
+        conversation_id="conv_1",
+        status="failed",
+        choices=[
+            AgentsCompletionChoice(
+                index=0,
+                finish_reason="error",
+                message=AgentsCompletionMessage(content="error", role="system")
+            )
+        ],
+        request_id="req_1",
+        id="id_1",
+        usage=AgentsCompletionUsage(prompt_tokens=1, completion_tokens=1, total_tokens=2),
+        error=error
+    )
+
+    # 检查 error 字段是否为 AgentsError 实例
+    assert isinstance(completion.error, AgentsError)
+    assert completion.error.code == "404"
+    assert completion.error.message == "Not Found"
+
+    # 检查序列化
+    as_dict = completion.model_dump()
+    assert as_dict["error"]["code"] == "404"
+    assert as_dict["error"]["message"] == "Not Found"
+    print("test_agents_completion_error_field passed.")