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from fastapi import FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel
app = FastAPI()
class Model(BaseModel):
pass
class Model2(BaseModel):
a: Model
class Model3(BaseModel):
c: Model
d: Model2
@app.get("/", response_model=Model3)
def f():
return {"c": {}, "d": {"a": {}}}
client = TestClient(app)
def test_get_api_route():
response = client.get("/")
assert response.status_code == 200, response.text
assert response.json() == {"c": {}, "d": {"a": {}}}
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": {
"/": {
"get": {
"summary": "F",
"operationId": "f__get",
"responses": {
"200": {
"description": "Successful Response",
"content": {
"application/json": {
"schema": {"$ref": "#/components/schemas/Model3"}
}
},
}
},
}
}
},
"components": {
"schemas": {
"Model": {"title": "Model", "type": "object", "properties": {}},
"Model2": {
"title": "Model2",
"required": ["a"],
"type": "object",
"properties": {"a": {"$ref": "#/components/schemas/Model"}},
},
"Model3": {
"title": "Model3",
"required": ["c", "d"],
"type": "object",
"properties": {
"c": {"$ref": "#/components/schemas/Model"},
"d": {"$ref": "#/components/schemas/Model2"},
},
},
}
},
}
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