Fix list with default value

Author: luolingchun

flask_openapi3/request.py

@@ -41,7 +41,7 @@ def _validate_query(query: Type[BaseModel], func_kwargs):
             value = request_args.getlist(v.alias or k) or request_args.getlist(k)
         else:
             value = request_args.get(v.alias or k) or request_args.get(k)  # type:ignore
-        if value is not None:
+        if value is not None and value != []:
             query_dict[k] = value
     func_kwargs["query"] = query.model_validate(obj=query_dict)
 
@@ -69,7 +69,7 @@ def _validate_form(form: Type[BaseModel], func_kwargs):
                 value = json.loads(_value)  # type:ignore
             except (JSONDecodeError, TypeError):
                 value = _value  # type:ignore
-        if value is not None:
+        if value is not None and value != []:
             form_dict[k] = value
     func_kwargs["form"] = form.model_validate(obj=form_dict)
 

tests/test_list_with_default_value.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+# @Author  : llc
+# @Time    : 2024/9/29 10:36
+from typing import List
+
+import pytest
+from pydantic import BaseModel
+
+from flask_openapi3 import OpenAPI
+
+app = OpenAPI(__name__)
+app.config["TESTING"] = True
+
+
+@pytest.fixture
+def client():
+    client = app.test_client()
+
+    return client
+
+
+class BookQuery(BaseModel):
+    age: List[int] = [1, 2]
+
+
+class BookForm(BaseModel):
+    age: List[float] = [3, 4]
+
+
+@app.get("/query")
+def api_query(query: BookQuery):
+    assert query.age == [1, 2]
+    return {"code": 0, "message": "ok"}
+
+
+@app.post("/form")
+def api_form(form: BookForm):
+    assert form.age == [3, 4]
+    return {"code": 0, "message": "ok"}
+
+
+def test_query(client):
+    client.get("/query")
+
+
+def test_form(client):
+    client.post("/form")

tests/test_request.py

@@ -106,7 +106,7 @@ def api_raw(raw: BookRaw):
 
 
 def test_query(client):
-    r = client.get("/query")
+    r = client.get("/query?age=1")
     print(r.json)
     assert r.status_code == 200