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from typing import Dict
from fastapi import FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel
app = FastAPI()
class Items(BaseModel):
items: Dict[str, int]
@app.post("/foo")
def foo(items: Items):
return items.items
client = TestClient(app)
def test_additional_properties_post():
response = client.post("/foo", json={"items": {"foo": 1, "bar": 2}})
assert response.status_code == 200, response.text
assert response.json() == {"foo": 1, "bar": 2}
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": {
"/foo": {
"post": {
"responses": {
"200": {
"description": "Successful Response",
"content": {"application/json": {"schema": {}}},
},
"422": {
"description": "Validation Error",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/HTTPValidationError"
}
}
},
},
},
"summary": "Foo",
"operationId": "foo_foo_post",
"requestBody": {
"content": {
"application/json": {
"schema": {"$ref": "#/components/schemas/Items"}
}
},
"required": True,
},
}
}
},
"components": {
"schemas": {
"Items": {
"title": "Items",
"required": ["items"],
"type": "object",
"properties": {
"items": {
"title": "Items",
"type": "object",
"additionalProperties": {"type": "integer"},
}
},
},
"ValidationError": {
"title": "ValidationError",
"required": ["loc", "msg", "type"],
"type": "object",
"properties": {
"loc": {
"title": "Location",
"type": "array",
"items": {
"anyOf": [{"type": "string"}, {"type": "integer"}]
},
},
"msg": {"title": "Message", "type": "string"},
"type": {"title": "Error Type", "type": "string"},
},
},
"HTTPValidationError": {
"title": "HTTPValidationError",
"type": "object",
"properties": {
"detail": {
"title": "Detail",
"type": "array",
"items": {"$ref": "#/components/schemas/ValidationError"},
}
},
},
}
},
}
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