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from typing_extensions import Annotated
import pytest
from fastapi import FastAPI, Form
from fastapi.testclient import TestClient
app = FastAPI()
@app.post("/old-style", operation_id="old_style")
def route_with_form(form_param: str = Form(alias="aliased-field")):
return {}
@app.post("/annotated", operation_id="annotated")
def route_with_form_annotated(form_param: Annotated[str, Form(alias="aliased-field")]):
return {}
client = TestClient(app)
@pytest.mark.parametrize(
"path",
["/old-style", "/annotated"]
)
def test_get_route(path: str):
response = client.post(path, data={"aliased-field": "Hello, World!"})
assert response.status_code == 200, response.text
assert response.json() == {}
@pytest.mark.parametrize(
"schema_obj",
["Body_annotated", "Body_old_style"]
)
def test_form_alias_is_correct(schema_obj: str):
response = client.get("/openapi.json")
assert response.status_code == 200, response.text
print(response.json()["components"]["schemas"])
form_properties = (
response.json()
["components"]["schemas"][schema_obj]["properties"]
)
assert "aliased-field" in form_properties