response = client.post("/schema_extra/", json={"data": "Foo"})
    assert response.status_code == 200, response.text
    response = client.post("/example/", json={"data": "Foo"})
    assert response.status_code == 200, response.text
    response = client.post("/examples/", json={"data": "Foo"})
    assert response.status_code == 200, response.text
    response = client.post("/example_examples/", json={"data": "Foo"})

def test_sub_duplicates():
    response = client.post("/with-duplicates-sub", json={"data": "myitem"})
    assert response.status_code == 200, response.text
    assert response.json() == [
        {"data": "myitem"},
        [{"data": "myitem"}, {"data": "myitem"}],
    ]


def test_openapi_schema():
    response = client.get("/openapi.json")

    assert response.json() == {
        "received": {"name": "John Doe", "email": "******@****.***"}
    }


def test_post_company_form():
    response = client.post(
        "/form-union/", data={"company_name": "Tech Corp", "industry": "Technology"}
    )
    assert response.status_code == 200, response.text
    assert response.json() == {

package main

import (
	"encoding/json"
	"errors"
	"fmt"
	"log"
	"net/http"
)

func writeErrorResponse(w http.ResponseWriter, err error) {
	w.WriteHeader(http.StatusBadRequest)
	json.NewEncoder(w).Encode(map[string]string{
		"reason": fmt.Sprintf("%v", err),
	})
}

type Resp struct {
	User               string                 `json:"user"`

    response = client.get("/users/me")
    assert response.status_code == 200, response.text
    assert response.json() == {"username": "secret"}


def test_security_api_key_no_key():
    client = TestClient(app)
    response = client.get("/users/me")
    assert response.status_code == 401, response.text
    assert response.json() == {"detail": "Not authenticated"}
    assert response.headers["WWW-Authenticate"] == "APIKey"

///

## Über „Formularfelder“ { #about-form-fields }

HTML-Formulare (`<form></form>`) senden die Daten in einer „speziellen“ Kodierung zum Server, die sich von JSON unterscheidet.

**FastAPI** stellt sicher, dass diese Daten korrekt ausgelesen werden, statt JSON zu erwarten.

/// note | Technische Details

    response = client.put(
        "/items/5",
        json={
            "item": {
                "name": "Foo",
                "price": 50.5,
                "description": "Some Foo",
                "tax": 0.1,
            },
            "user": {"username": "johndoe", "full_name": "John Doe"},
        },
    )
    assert response.status_code == 200
    assert response.json() == {
        "item_id": 5,
        "item": {

    assert response.status_code == 200, response.text
    assert response.json() == ["Rick", "Morty"]


def test_dummy_webhook():
    # Just for coverage
    app.webhooks.routes[0].endpoint({})


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",

///

### JSON Schemas Feld `examples` { #json-schemas-examples-field }

Aber dann fügte JSON Schema ein <a href="https://json-schema.org/draft/2019-09/json-schema-validation.html#rfc.section.9.5" class="external-link" target="_blank">`examples`</a>-Feld zu einer neuen Version der Spezifikation hinzu.

package simdj

import (
	"fmt"
	"io"
	"sync"
	"sync/atomic"

	"github.com/minio/minio/internal/s3select/json"
	"github.com/minio/minio/internal/s3select/sql"
	"github.com/minio/simdjson-go"
)

// Reader - JSON record reader for S3Select.
type Reader struct {
	args    *json.ReaderArgs
	input   chan simdjson.Stream
	decoded chan simdjson.Object

	// err will only be returned after decoded has been closed.