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|
from typing import Union
from dirty_equals import IsDict
from fastapi import FastAPI
from fastapi._compat import PYDANTIC_V2
from fastapi.testclient import TestClient
from pydantic import BaseModel, ConfigDict
class FooBaseModel(BaseModel):
if PYDANTIC_V2:
model_config = ConfigDict(extra="forbid")
else:
class Config:
extra = "forbid"
class Foo(FooBaseModel):
pass
app = FastAPI()
@app.post("/")
async def post(
foo: Union[Foo, None] = None,
):
return foo
client = TestClient(app)
def test_call_invalid():
response = client.post("/", json={"foo": {"bar": "baz"}})
assert response.status_code == 422
def test_call_valid():
response = client.post("/", json={})
assert response.status_code == 200
assert response.json() == {}
def test_openapi_schema():
response = client.get("/openapi.json")
assert response.status_code == 200, response.text
assert response.json() == {
"openapi": "3.1.0",
"info": {"title": "FastAPI", "version": "0.1.0"},
"paths": {
"/": {
"post": {
"summary": "Post",
"operationId": "post__post",
"requestBody": {
"content": {
"application/json": {
"schema": IsDict(
{
"anyOf": [
{"$ref": "#/components/schemas/Foo"},
{"type": "null"},
],
"title": "Foo",
}
)
| IsDict(
# TODO: remove when deprecating Pydantic v1
{"$ref": "#/components/schemas/Foo"}
)
}
}
},
"responses": {
"200": {
"description": "Successful Response",
"content": {"application/json": {"schema": {}}},
},
"422": {
"description": "Validation Error",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/HTTPValidationError"
}
}
},
},
},
}
}
},
"components": {
"schemas": {
"Foo": {
"properties": {},
"additionalProperties": False,
"type": "object",
"title": "Foo",
},
"HTTPValidationError": {
"properties": {
"detail": {
"items": {"$ref": "#/components/schemas/ValidationError"},
"type": "array",
"title": "Detail",
}
},
"type": "object",
"title": "HTTPValidationError",
},
"ValidationError": {
"properties": {
"loc": {
"items": {
"anyOf": [{"type": "string"}, {"type": "integer"}]
},
"type": "array",
"title": "Location",
},
"msg": {"type": "string", "title": "Message"},
"type": {"type": "string", "title": "Error Type"},
},
"type": "object",
"required": ["loc", "msg", "type"],
"title": "ValidationError",
},
}
},
}
|
