from typing import List from dirty_equals import IsDict from fastapi import FastAPI, Query from fastapi.testclient import TestClient app = FastAPI() @app.get("/items/") def read_items(q: List[int] = Query(default=None)): return {"q": q} client = TestClient(app) def test_multi_query(): response = client.get("/items/?q=5&q=6") assert response.status_code == 200, response.text assert response.json() == {"q": [5, 6]} def test_multi_query_incorrect(): response = client.get("/items/?q=five&q=six") assert response.status_code == 422, response.text assert response.json() == IsDict( { "detail": [ { "type": "int_parsing", "loc": ["query", "q", 0], "msg": "Input should be a valid integer, unable to parse string as an integer", "input": "five", }, { "type": "int_parsing", "loc": ["query", "q", 1], "msg": "Input should be a valid integer, unable to parse string as an integer", "input": "six", }, ] } ) | IsDict( # TODO: remove when deprecating Pydantic v1 { "detail": [ { "loc": ["query", "q", 0], "msg": "value is not a valid integer", "type": "type_error.integer", }, { "loc": ["query", "q", 1], "msg": "value is not a valid integer", "type": "type_error.integer", }, ] } ) 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": { "/items/": { "get": { "responses": { "200": { "description": "Successful Response", "content": {"application/json": {"schema": {}}}, }, "422": { "description": "Validation Error", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/HTTPValidationError" } } }, }, }, "summary": "Read Items", "operationId": "read_items_items__get", "parameters": [ { "required": False, "schema": { "title": "Q", "type": "array", "items": {"type": "integer"}, }, "name": "q", "in": "query", } ], } } }, "components": { "schemas": { "ValidationError": { "title": "ValidationError", "required": ["loc", "msg", "type"], "type": "object", "properties": { "loc": { "title": "Location", "type": "array", "items": { "anyOf": [{"type": "string"}, {"type": "integer"}] }, }, "msg": {"title": "Message", "type": "string"}, "type": {"title": "Error Type", "type": "string"}, }, }, "HTTPValidationError": { "title": "HTTPValidationError", "type": "object", "properties": { "detail": { "title": "Detail", "type": "array", "items": {"$ref": "#/components/schemas/ValidationError"}, } }, }, } }, }