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from typing import List, Optional
from fastapi import FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel
app = FastAPI()
class Item(BaseModel):
name: str
price: Optional[float] = None
owner_ids: Optional[List[int]] = None
@app.get("/items/valid", response_model=Item)
def get_valid():
return {"name": "valid", "price": 1.0}
@app.get("/items/coerce", response_model=Item)
def get_coerce():
return {"name": "coerce", "price": "1.0"}
@app.get("/items/validlist", response_model=List[Item])
def get_validlist():
return [
{"name": "foo"},
{"name": "bar", "price": 1.0},
{"name": "baz", "price": 2.0, "owner_ids": [1, 2, 3]},
]
client = TestClient(app)
def test_valid():
response = client.get("/items/valid")
response.raise_for_status()
assert response.json() == {"name": "valid", "price": 1.0, "owner_ids": None}
def test_coerce():
response = client.get("/items/coerce")
response.raise_for_status()
assert response.json() == {"name": "coerce", "price": 1.0, "owner_ids": None}
def test_validlist():
response = client.get("/items/validlist")
response.raise_for_status()
assert response.json() == [
{"name": "foo", "price": None, "owner_ids": None},
{"name": "bar", "price": 1.0, "owner_ids": None},
{"name": "baz", "price": 2.0, "owner_ids": [1, 2, 3]},
]
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