fastapi/tests/test_forms_single_model.py

167 lines
4.2 KiB
Python

from typing import Annotated
from fastapi import FastAPI, Form
from fastapi.testclient import TestClient
from pydantic import BaseModel, Field
app = FastAPI()
class FormModel(BaseModel):
username: str
lastname: str
age: int | None = None
tags: list[str] = ["foo", "bar"]
alias_with: str = Field(alias="with", default="nothing")
class FormModelExtraAllow(BaseModel):
param: str
model_config = {"extra": "allow"}
@app.post("/form/")
def post_form(user: Annotated[FormModel, Form()]):
return user
@app.post("/form-extra-allow/")
def post_form_extra_allow(params: Annotated[FormModelExtraAllow, Form()]):
return params
class FormModelFieldsSet(BaseModel):
field_1: bool = True
@app.post("/form-model-fields-set/")
def post_form_model_fields_set(model: Annotated[FormModelFieldsSet, Form()]):
return {"fields_set": sorted(model.model_fields_set)}
@app.post("/body-model-fields-set/")
def post_body_model_fields_set(model: FormModelFieldsSet):
return {"fields_set": sorted(model.model_fields_set)}
client = TestClient(app)
def test_send_all_data():
response = client.post(
"/form/",
data={
"username": "Rick",
"lastname": "Sanchez",
"age": "70",
"tags": ["plumbus", "citadel"],
"with": "something",
},
)
assert response.status_code == 200, response.text
assert response.json() == {
"username": "Rick",
"lastname": "Sanchez",
"age": 70,
"tags": ["plumbus", "citadel"],
"with": "something",
}
def test_defaults():
response = client.post("/form/", data={"username": "Rick", "lastname": "Sanchez"})
assert response.status_code == 200, response.text
assert response.json() == {
"username": "Rick",
"lastname": "Sanchez",
"age": None,
"tags": ["foo", "bar"],
"with": "nothing",
}
def test_invalid_data():
response = client.post(
"/form/",
data={
"username": "Rick",
"lastname": "Sanchez",
"age": "seventy",
"tags": ["plumbus", "citadel"],
},
)
assert response.status_code == 422, response.text
assert response.json() == {
"detail": [
{
"type": "int_parsing",
"loc": ["body", "age"],
"msg": "Input should be a valid integer, unable to parse string as an integer",
"input": "seventy",
}
]
}
def test_no_data():
response = client.post("/form/")
assert response.status_code == 422, response.text
assert response.json() == {
"detail": [
{
"type": "missing",
"loc": ["body", "username"],
"msg": "Field required",
"input": {"tags": ["foo", "bar"], "with": "nothing"},
},
{
"type": "missing",
"loc": ["body", "lastname"],
"msg": "Field required",
"input": {"tags": ["foo", "bar"], "with": "nothing"},
},
]
}
def test_extra_param_single():
response = client.post(
"/form-extra-allow/",
data={
"param": "123",
"extra_param": "456",
},
)
assert response.status_code == 200, response.text
assert response.json() == {
"param": "123",
"extra_param": "456",
}
def test_extra_param_list():
response = client.post(
"/form-extra-allow/",
data={
"param": "123",
"extra_params": ["456", "789"],
},
)
assert response.status_code == 200, response.text
assert response.json() == {
"param": "123",
"extra_params": ["456", "789"],
}
def test_default_field_not_marked_as_set_for_form_model():
body_response = client.post("/body-model-fields-set/", json={})
form_response = client.post("/form-model-fields-set/", data={})
assert body_response.status_code == 200, body_response.text
assert form_response.status_code == 200, form_response.text
assert body_response.json() == {"fields_set": []}
assert form_response.json() == {"fields_set": []}